From fea3b062e7ff956b402af7fd55e8dfc2f3308ece Mon Sep 17 00:00:00 2001 From: tanzee Date: Fri, 13 Mar 2026 11:15:08 +0100 Subject: [PATCH 01/31] feat: add user-defined NetworkNeighborhood support Add support for user-defined NetworkNeighborhood profiles that allow pre-configured network policies without requiring a learning phase. - SharedContainerData: add UserDefinedNetwork field and label detection - NN cache: load user-defined NN directly, skip learning, prevent overwrite - Lifecycle: log user-defined network in profile skip message - Enable R0005 and R0011 alert triggers in test chart - Component tests: Test_27 (wildcard AP) and Test_28 (user-defined NN alerts) - Test resources: known profiles, deployment YAMLs, helper scripts Co-Authored-By: Claude Opus 4.6 --- .gitignore | 3 +- pkg/containerprofilemanager/v1/lifecycle.go | 7 +- .../networkneighborhoodcache.go | 59 ++ pkg/objectcache/shared_container_data.go | 16 + .../templates/node-agent/default-rules.yaml | 6 +- tests/component_test.go | 530 ++++++++++++++++++ tests/resources/curl-plain-deployment.yaml | 20 + .../curl-user-network-deployment.yaml | 21 + ...url-user-profile-wildcards-deployment.yaml | 21 + tests/resources/debug-learn-nn.sh | 82 +++ .../known-application-profile-wildcards.yaml | 155 +++++ .../resources/known-application-profile.yaml | 245 ++++++++ .../resources/known-network-neighborhood.yaml | 49 ++ .../nginx-both-user-defined-deployment.yaml | 23 + .../nginx-known-network-deployment.yaml | 21 + .../nginx-user-defined-deployment.yaml | 22 + .../nginx-user-network-deployment.yaml | 22 + tests/resources/run-test-28.sh | 163 ++++++ tests/resources/test-28-iterate.sh | 232 ++++++++ tests/scripts/local-ci.sh | 220 ++++++++ 20 files changed, 1911 insertions(+), 6 deletions(-) create mode 100644 tests/resources/curl-plain-deployment.yaml create mode 100644 tests/resources/curl-user-network-deployment.yaml create mode 100644 tests/resources/curl-user-profile-wildcards-deployment.yaml create mode 100755 tests/resources/debug-learn-nn.sh create mode 100644 tests/resources/known-application-profile-wildcards.yaml create mode 100644 tests/resources/known-application-profile.yaml create mode 100644 tests/resources/known-network-neighborhood.yaml create mode 100644 tests/resources/nginx-both-user-defined-deployment.yaml create mode 100644 tests/resources/nginx-known-network-deployment.yaml create mode 100644 tests/resources/nginx-user-defined-deployment.yaml create mode 100644 tests/resources/nginx-user-network-deployment.yaml create mode 100755 tests/resources/run-test-28.sh create mode 100755 tests/resources/test-28-iterate.sh create mode 100755 tests/scripts/local-ci.sh diff --git a/.gitignore b/.gitignore index 135c3206a7..db15f79ba9 100644 --- a/.gitignore +++ b/.gitignore @@ -5,4 +5,5 @@ temp resources/ebpf/falco/* node-agent __pycache__ -tracers.tar \ No newline at end of file +tracers.tar +vendor \ No newline at end of file diff --git a/pkg/containerprofilemanager/v1/lifecycle.go b/pkg/containerprofilemanager/v1/lifecycle.go index 8e40fd8702..44b689600b 100644 --- a/pkg/containerprofilemanager/v1/lifecycle.go +++ b/pkg/containerprofilemanager/v1/lifecycle.go @@ -93,14 +93,17 @@ func (cpm *ContainerProfileManager) addContainer(container *containercollection. return fmt.Errorf("failed to get shared data for container %s: %w", containerID, err) } - // Check if the container should use a user-defined profile + // Check if the container should use a user-defined profile. + // When both an ApplicationProfile and a NetworkNeighborhood are + // user-provided, skip ALL recording — there is nothing to learn. if sharedData.UserDefinedProfile != "" { logger.L().Debug("ignoring container with a user-defined profile", helpers.String("containerID", containerID), helpers.String("containerName", container.Runtime.ContainerName), helpers.String("podName", container.K8s.PodName), helpers.String("namespace", container.K8s.Namespace), - helpers.String("userDefinedProfile", sharedData.UserDefinedProfile)) + helpers.String("userDefinedProfile", sharedData.UserDefinedProfile), + helpers.String("userDefinedNetwork", sharedData.UserDefinedNetwork)) // Close ready channel before removing entry if entry, exists := cpm.getContainerEntry(containerID); exists { entry.readyOnce.Do(func() { diff --git a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go b/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go index 254f6ae640..425f44c1da 100644 --- a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go +++ b/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go @@ -30,6 +30,7 @@ type ContainerInfo struct { InstanceTemplateHash string Namespace string SeenContainerFromTheStart bool // True if container was seen from the start + UserDefinedNetwork string // Non-empty when pod has a user-defined NN label } // NetworkNeighborhoodCacheImpl implements the NetworkNeighborhoodCache interface @@ -204,6 +205,13 @@ func (nnc *NetworkNeighborhoodCacheImpl) updateAllNetworkNeighborhoods(ctx conte continue } + // Never overwrite a user-defined network neighborhood with an + // auto-learned one. Check if any container for this workload + // has a user-defined-network label. + if nnc.workloadHasUserDefinedNetwork(workloadID) { + continue + } + // If we have a "new" container (seen from start) and the network neighborhood is partial, // skip it - we don't want to use partial profiles for containers we're tracking from the start if hasNewContainer && nn.Annotations[helpersv1.CompletionMetadataKey] == helpersv1.Partial { @@ -419,11 +427,48 @@ func (nnc *NetworkNeighborhoodCacheImpl) addContainer(container *containercollec InstanceTemplateHash: sharedData.InstanceID.GetTemplateHash(), Namespace: container.K8s.Namespace, SeenContainerFromTheStart: !sharedData.PreRunningContainer, + UserDefinedNetwork: sharedData.UserDefinedNetwork, } // Add to container info map nnc.containerIDToInfo.Set(containerID, containerInfo) + // If the container has a user-defined network neighborhood, load it + // directly into the cache — skip learning entirely for this workload. + if sharedData.UserDefinedNetwork != "" { + fullNN, err := nnc.storageClient.GetNetworkNeighborhood( + container.K8s.Namespace, sharedData.UserDefinedNetwork) + if err != nil { + logger.L().Error("failed to get user-defined network neighborhood", + helpers.String("containerID", containerID), + helpers.String("workloadID", workloadID), + helpers.String("namespace", container.K8s.Namespace), + helpers.String("nnName", sharedData.UserDefinedNetwork), + helpers.Error(err)) + profileState := &objectcache.ProfileState{ + Error: err, + } + nnc.workloadIDToProfileState.Set(workloadID, profileState) + return nil + } + + nnc.workloadIDToNetworkNeighborhood.Set(workloadID, fullNN) + profileState := &objectcache.ProfileState{ + Completion: helpersv1.Full, + Status: helpersv1.Completed, + Name: fullNN.Name, + Error: nil, + } + nnc.workloadIDToProfileState.Set(workloadID, profileState) + + logger.L().Debug("added user-defined network neighborhood to cache", + helpers.String("containerID", containerID), + helpers.String("workloadID", workloadID), + helpers.String("namespace", container.K8s.Namespace), + helpers.String("nnName", sharedData.UserDefinedNetwork)) + return nil + } + // Create workload ID to state mapping if _, exists := nnc.workloadIDToProfileState.Load(workloadID); !exists { nnc.workloadIDToProfileState.Set(workloadID, nil) @@ -718,6 +763,20 @@ func (nnc *NetworkNeighborhoodCacheImpl) mergeNetworkPorts(normalPorts, userPort return normalPorts } +// workloadHasUserDefinedNetwork returns true if any container tracked for +// the given workloadID has a user-defined-network label set. +func (nnc *NetworkNeighborhoodCacheImpl) workloadHasUserDefinedNetwork(workloadID string) bool { + found := false + nnc.containerIDToInfo.Range(func(_ string, info *ContainerInfo) bool { + if info.WorkloadID == workloadID && info.UserDefinedNetwork != "" { + found = true + return false // stop iteration + } + return true + }) + return found +} + func isUserManagedNN(nn *v1beta1.NetworkNeighborhood) bool { return nn.Annotations != nil && nn.Annotations[helpersv1.ManagedByMetadataKey] == helpersv1.ManagedByUserValue && diff --git a/pkg/objectcache/shared_container_data.go b/pkg/objectcache/shared_container_data.go index cf0e7d2b4d..87952dbe45 100644 --- a/pkg/objectcache/shared_container_data.go +++ b/pkg/objectcache/shared_container_data.go @@ -20,6 +20,11 @@ import ( "k8s.io/apimachinery/pkg/util/validation" ) +// UserDefinedNetworkMetadataKey is the pod label that references a +// user-provided NetworkNeighborhood resource by name (analogous to +// helpersv1.UserDefinedProfileMetadataKey for ApplicationProfiles). +const UserDefinedNetworkMetadataKey = "kubescape.io/user-defined-network" + type ContainerType int const ( @@ -82,6 +87,7 @@ type WatchedContainerData struct { PreviousReportTimestamp time.Time CurrentReportTimestamp time.Time UserDefinedProfile string + UserDefinedNetwork string } type ContainerInfo struct { @@ -167,6 +173,16 @@ func (watchedContainer *WatchedContainerData) SetContainerInfo(wl workloadinterf watchedContainer.UserDefinedProfile = userDefinedProfile } } + // check for user defined network neighborhood + if userDefinedNetwork, ok := labels[UserDefinedNetworkMetadataKey]; ok { + if userDefinedNetwork != "" { + logger.L().Info("container has a user defined network neighborhood", + helpers.String("network", userDefinedNetwork), + helpers.String("container", containerName), + helpers.String("workload", wl.GetName())) + watchedContainer.UserDefinedNetwork = userDefinedNetwork + } + } podSpec, err := wl.GetPodSpec() if err != nil { return fmt.Errorf("failed to get pod spec: %w", err) diff --git a/tests/chart/templates/node-agent/default-rules.yaml b/tests/chart/templates/node-agent/default-rules.yaml index 55fd1b527e..1a545524c7 100644 --- a/tests/chart/templates/node-agent/default-rules.yaml +++ b/tests/chart/templates/node-agent/default-rules.yaml @@ -122,7 +122,7 @@ spec: profileDependency: 0 severity: 1 supportPolicy: false - isTriggerAlert: false + isTriggerAlert: true mitreTactic: "TA0011" mitreTechnique: "T1071.004" tags: @@ -245,7 +245,7 @@ spec: - "anomaly" - "applicationprofile" - name: "Unexpected Egress Network Traffic" - enabled: false + enabled: true id: "R0011" description: "Detecting unexpected egress network traffic that is not whitelisted by application profile." expressions: @@ -257,7 +257,7 @@ spec: profileDependency: 0 severity: 5 # Medium supportPolicy: false - isTriggerAlert: false + isTriggerAlert: true mitreTactic: "TA0010" mitreTechnique: "T1041" tags: diff --git a/tests/component_test.go b/tests/component_test.go index 380f325765..9f9ed272ed 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -11,6 +11,7 @@ import ( "slices" "sort" "strconv" + "strings" "testing" "time" @@ -1565,3 +1566,532 @@ func Test_24_ProcessTreeDepthTest(t *testing.T) { t.Logf("Found alerts for the process tree depth: %v", alerts) } + +// Test_27_ApplicationProfileOpens tests that the dynamic path matching in +// application profiles works correctly for both recorded (auto-learned) +// profiles and user-defined profiles. +// +// Path matching symbols: +// +// ⋯ (U+22EF DynamicIdentifier) — matches exactly ONE path segment +// * (WildcardIdentifier) — matches ZERO or more path segments +// 0 (in endpoints) — wildcard port (any port) +// +// R0002 "Files Access Anomalies in container" fires when a file is opened +// under a monitored prefix (/etc/, /var/log/, …) and the path was NOT +// recorded in the application profile. +func Test_27_ApplicationProfileOpens(t *testing.T) { + start := time.Now() + defer tearDownTest(t, start) + + const ruleName = "Files Access Anomalies in container" + const profileName = "nginx-regex-profile" + + // --- result tracking for end-of-test summary --- + type subtestResult struct { + name string + profilePath string + filePath string + expectAlert bool + passed bool + detail string + } + var results []subtestResult + addResult := func(name, profilePath, filePath string, expectAlert, passed bool, detail string) { + results = append(results, subtestResult{name, profilePath, filePath, expectAlert, passed, detail}) + } + defer func() { + t.Log("\n========== Test_27 Summary ==========") + anyFailed := false + for _, r := range results { + status := "PASS" + if !r.passed { + status = "FAIL" + anyFailed = true + } + expect := "expect alert" + if !r.expectAlert { + expect = "expect NO alert" + } + t.Logf(" [%s] %-35s profile=%-25s file=%-25s %s", status, r.name, r.profilePath, r.filePath, expect) + if !r.passed { + t.Logf(" -> %s", r.detail) + } + } + if !anyFailed { + t.Log(" All subtests passed.") + } + t.Log("======================================") + }() + + // deployWithProfile creates a user-defined ApplicationProfile with the + // given Opens list, deploys nginx with the kubescape.io/user-defined-profile + // label pointing at it, and waits for the pod + cache to be ready. + deployWithProfile := func(t *testing.T, opens []v1beta1.OpenCalls) *testutils.TestWorkload { + t.Helper() + ns := testutils.NewRandomNamespace() + + profile := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: profileName, + Namespace: ns.Name, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Architectures: []string{"amd64"}, + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "nginx", + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/cat", Args: []string{"/bin/cat"}}, + }, + Opens: opens, + }, + }, + }, + } + + k8sClient := k8sinterface.NewKubernetesApi() + storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) + _, err := storageClient.ApplicationProfiles(ns.Name).Create( + context.Background(), profile, metav1.CreateOptions{}) + require.NoError(t, err, "create user-defined profile %q in ns %s", profileName, ns.Name) + + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/nginx-user-profile-deployment.yaml")) + require.NoError(t, err, "create workload in ns %s", ns.Name) + require.NoError(t, wl.WaitForReady(80), "workload not ready in ns %s", ns.Name) + + time.Sleep(20 * time.Second) // let node-agent pick up the profile + return wl + } + + // triggerAndGetAlerts execs cat on the given path and returns the alerts. + triggerAndGetAlerts := func(t *testing.T, wl *testutils.TestWorkload, filePath string) []testutils.Alert { + t.Helper() + stdout, stderr, err := wl.ExecIntoPod([]string{"cat", filePath}, "nginx") + if err != nil { + t.Errorf("exec 'cat %s' in container nginx failed: %v (stdout=%q stderr=%q)", filePath, err, stdout, stderr) + } + time.Sleep(30 * time.Second) + alerts, err := testutils.GetAlerts(wl.Namespace) + require.NoError(t, err, "get alerts from ns %s", wl.Namespace) + return alerts + } + + // hasAlert checks whether an R0002 alert exists for comm=cat, container=nginx. + hasAlert := func(alerts []testutils.Alert) bool { + for _, a := range alerts { + if a.Labels["rule_name"] == ruleName && + a.Labels["comm"] == "cat" && + a.Labels["container_name"] == "nginx" { + return true + } + } + return false + } + + // --------------------------------------------------------------- + // 1a. Recorded (auto-learned) profile must use absolute paths. + // There must be no "." in the Opens paths. + // --------------------------------------------------------------- + t.Run("recorded_profile_absolute_paths", func(t *testing.T) { + ns := testutils.NewRandomNamespace() + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/nginx-deployment.yaml")) + require.NoError(t, err) + require.NoError(t, wl.WaitForReady(80)) + require.NoError(t, wl.WaitForApplicationProfileCompletion(80)) + + profile, err := wl.GetApplicationProfile() + require.NoError(t, err, "get application profile") + + passed := true + for _, container := range profile.Spec.Containers { + for _, open := range container.Opens { + if !strings.HasPrefix(open.Path, "/") { + t.Errorf("recorded path must be absolute: got %q (container %s)", open.Path, container.Name) + passed = false + } + if open.Path == "." { + t.Errorf("recorded path must not be relative dot: got %q (container %s)", open.Path, container.Name) + passed = false + } + } + } + detail := "" + if !passed { + detail = "found non-absolute or '.' paths in recorded profile" + } + addResult("recorded_profile_absolute_paths", "(auto-learned)", "(nginx startup)", false, passed, detail) + }) + + // --------------------------------------------------------------- + // 1b. User-defined profile wildcard tests. + // Each sub-test deploys nginx in its own namespace with a + // different Opens pattern and verifies R0002 behaviour. + // --------------------------------------------------------------- + + // 1b-1: Exact path — profile has the exact file => no alert. + t.Run("exact_path_match", func(t *testing.T) { + profilePath := "/etc/nginx/nginx.conf" + filePath := "/etc/nginx/nginx.conf" + wl := deployWithProfile(t, []v1beta1.OpenCalls{ + {Path: profilePath, Flags: []string{"O_RDONLY"}}, + {Path: "/etc/ld.so.cache", Flags: []string{"O_RDONLY", "O_CLOEXEC"}}, // dynamic linker opens this on every exec + }) + alerts := triggerAndGetAlerts(t, wl, filePath) + got := hasAlert(alerts) + if got { + t.Errorf("expected NO R0002 alert: profile allows %q, opened %q, but alert fired", profilePath, filePath) + } + addResult("exact_path_match", profilePath, filePath, false, !got, + fmt.Sprintf("got %d alerts, expected none for cat", len(alerts))) + }) + + // 1b-2: Exact path — profile has a DIFFERENT file => alert. + t.Run("exact_path_mismatch", func(t *testing.T) { + profilePath := "/etc/nginx/nginx.conf" + filePath := "/etc/hostname" + wl := deployWithProfile(t, []v1beta1.OpenCalls{ + {Path: profilePath, Flags: []string{"O_RDONLY"}}, + }) + alerts := triggerAndGetAlerts(t, wl, filePath) + got := hasAlert(alerts) + if !got { + t.Errorf("expected R0002 alert: profile only allows %q, opened %q, but no alert", profilePath, filePath) + } + addResult("exact_path_mismatch", profilePath, filePath, true, got, + fmt.Sprintf("got %d alerts, expected at least one for cat", len(alerts))) + }) + + // 1b-3: Ellipsis ⋯ matches single segment — /etc/⋯ covers /etc/hostname. + t.Run("ellipsis_single_segment_match", func(t *testing.T) { + profilePath := "/etc/" + dynamicpathdetector.DynamicIdentifier + filePath := "/etc/hostname" + wl := deployWithProfile(t, []v1beta1.OpenCalls{ + {Path: profilePath, Flags: []string{"O_RDONLY"}}, + }) + alerts := triggerAndGetAlerts(t, wl, filePath) + got := hasAlert(alerts) + if got { + t.Errorf("expected NO R0002 alert: profile %q should match %q (single segment), but alert fired", profilePath, filePath) + } + addResult("ellipsis_single_segment_match", profilePath, filePath, false, !got, + fmt.Sprintf("got %d alerts, expected none for cat", len(alerts))) + }) + + // 1b-4: Ellipsis ⋯ rejects multi-segment — /etc/⋯ does NOT cover + // /etc/nginx/nginx.conf (two segments past /etc/). + t.Run("ellipsis_rejects_multi_segment", func(t *testing.T) { + profilePath := "/etc/" + dynamicpathdetector.DynamicIdentifier + filePath := "/etc/nginx/nginx.conf" + wl := deployWithProfile(t, []v1beta1.OpenCalls{ + {Path: profilePath, Flags: []string{"O_RDONLY"}}, + }) + alerts := triggerAndGetAlerts(t, wl, filePath) + got := hasAlert(alerts) + if !got { + t.Errorf("expected R0002 alert: profile %q should NOT match %q (two segments), but no alert", profilePath, filePath) + } + addResult("ellipsis_rejects_multi_segment", profilePath, filePath, true, got, + fmt.Sprintf("got %d alerts, expected at least one for cat", len(alerts))) + }) + + // 1b-5: Wildcard * matches any depth — /etc/* covers /etc/nginx/nginx.conf. + t.Run("wildcard_matches_deep_path", func(t *testing.T) { + profilePath := "/etc/*" + filePath := "/etc/nginx/nginx.conf" + wl := deployWithProfile(t, []v1beta1.OpenCalls{ + {Path: profilePath, Flags: []string{"O_RDONLY"}}, + }) + alerts := triggerAndGetAlerts(t, wl, filePath) + got := hasAlert(alerts) + if got { + t.Errorf("expected NO R0002 alert: profile %q should match %q (wildcard), but alert fired", profilePath, filePath) + } + addResult("wildcard_matches_deep_path", profilePath, filePath, false, !got, + fmt.Sprintf("got %d alerts, expected none for cat", len(alerts))) + }) + + // --------------------------------------------------------------- + // 1c. Deploy known-application-profile-wildcards.yaml (curl image) + // and verify that files under wildcard-covered opens paths + // produce no R0002 alert. + // --------------------------------------------------------------- + t.Run("wildcard_yaml_profile_allowed_opens", func(t *testing.T) { + ns := testutils.NewRandomNamespace() + wildcardProfileName := "fusioncore-profile-wildcards" + + // Create the profile matching known-application-profile-wildcards.yaml. + profile := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: wildcardProfileName, + Namespace: ns.Name, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Architectures: []string{"amd64"}, + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "curl", + ImageID: "docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058", + ImageTag: "docker.io/curlimages/curl:8.5.0", + Capabilities: []string{ + "CAP_CHOWN", "CAP_DAC_OVERRIDE", "CAP_DAC_READ_SEARCH", + "CAP_SETGID", "CAP_SETPCAP", "CAP_SETUID", "CAP_SYS_ADMIN", + }, + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/sleep", Args: []string{"/bin/sleep", "infinity"}}, + {Path: "/bin/cat", Args: []string{"/bin/cat"}}, + {Path: "/usr/bin/curl", Args: []string{"/usr/bin/curl", "-sm2", "fusioncore.ai"}}, + }, + Opens: []v1beta1.OpenCalls{ + {Path: "/etc/*", Flags: []string{"O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"}}, + {Path: "/etc/ssl/openssl.cnf", Flags: []string{"O_RDONLY", "O_LARGEFILE"}}, + {Path: "/home/*", Flags: []string{"O_RDONLY", "O_LARGEFILE"}}, + {Path: "/lib/*", Flags: []string{"O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"}}, + {Path: "/usr/lib/*", Flags: []string{"O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"}}, + {Path: "/usr/local/lib/*", Flags: []string{"O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"}}, + {Path: "/proc/*/cgroup", Flags: []string{"O_RDONLY", "O_CLOEXEC"}}, + {Path: "/proc/*/kernel/cap_last_cap", Flags: []string{"O_RDONLY", "O_CLOEXEC"}}, + {Path: "/proc/*/mountinfo", Flags: []string{"O_RDONLY", "O_CLOEXEC"}}, + {Path: "/proc/*/task/*/fd", Flags: []string{"O_RDONLY", "O_DIRECTORY", "O_CLOEXEC"}}, + {Path: "/sys/fs/cgroup/cpu.max", Flags: []string{"O_RDONLY", "O_CLOEXEC"}}, + {Path: "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size", Flags: []string{"O_RDONLY"}}, + {Path: "/7/setgroups", Flags: []string{"O_RDONLY", "O_CLOEXEC"}}, + {Path: "/runc", Flags: []string{"O_RDONLY", "O_CLOEXEC"}}, + }, + Syscalls: []string{ + "arch_prctl", "bind", "brk", "capget", "capset", "chdir", + "clone", "close", "close_range", "connect", "epoll_ctl", + "epoll_pwait", "execve", "exit", "exit_group", "faccessat2", + "fchown", "fcntl", "fstat", "fstatfs", "futex", "getcwd", + "getdents64", "getegid", "geteuid", "getgid", "getpeername", + "getppid", "getsockname", "getsockopt", "gettid", "getuid", + "ioctl", "membarrier", "mmap", "mprotect", "munmap", + "nanosleep", "newfstatat", "open", "openat", "openat2", + "pipe", "poll", "prctl", "read", "recvfrom", "recvmsg", + "rt_sigaction", "rt_sigprocmask", "rt_sigreturn", "sendto", + "set_tid_address", "setgid", "setgroups", "setsockopt", + "setuid", "sigaltstack", "socket", "statx", "tkill", + "unknown", "write", "writev", + }, + }, + }, + }, + } + + k8sClient := k8sinterface.NewKubernetesApi() + storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) + _, err := storageClient.ApplicationProfiles(ns.Name).Create( + context.Background(), profile, metav1.CreateOptions{}) + require.NoError(t, err, "create wildcard profile %q in ns %s", wildcardProfileName, ns.Name) + + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/curl-user-profile-wildcards-deployment.yaml")) + require.NoError(t, err, "create curl workload in ns %s", ns.Name) + require.NoError(t, wl.WaitForReady(80), "curl workload not ready in ns %s", ns.Name) + + time.Sleep(20 * time.Second) // let node-agent pick up the profile + + // Cat files that are covered by the wildcard opens. + allowedFiles := []string{ + "/etc/hosts", // covered by /etc/* + "/etc/resolv.conf", // covered by /etc/* + "/etc/ssl/openssl.cnf", // exact match + } + for _, f := range allowedFiles { + stdout, stderr, err := wl.ExecIntoPod([]string{"cat", f}, "curl") + if err != nil { + t.Logf("exec 'cat %s' failed: %v (stdout=%q stderr=%q)", f, err, stdout, stderr) + } + } + + time.Sleep(30 * time.Second) // let alerts propagate + + alerts, err := testutils.GetAlerts(wl.Namespace) + require.NoError(t, err, "get alerts from ns %s", wl.Namespace) + + var r0002Fired bool + for _, a := range alerts { + if a.Labels["rule_name"] == ruleName && + a.Labels["comm"] == "cat" && + a.Labels["container_name"] == "curl" { + r0002Fired = true + break + } + } + if r0002Fired { + t.Errorf("expected NO R0002 for files covered by wildcard opens, but alert fired") + } + addResult("wildcard_yaml_profile_allowed_opens", + "/etc/*, /etc/ssl/openssl.cnf", "/etc/hosts, /etc/resolv.conf, /etc/ssl/openssl.cnf", + false, !r0002Fired, + fmt.Sprintf("got R0002=%v, expected none for wildcard-covered files", r0002Fired)) + }) +} + +// Test_28_UserDefinedNetworkNeighborhood creates user-defined AP and NN, +// deploys a pod with both user-defined-profile and user-defined-network +// labels (skipping all learning), then triggers: +// - TCP egress to IPs NOT in the NN → R0011 "Unexpected Egress Network Traffic" +// - DNS lookups for domains NOT in the NN → R0005 "DNS Anomalies in container" +// +// Note: R0005 requires real resolvable domains (not NXDOMAIN), because the +// trace_dns eBPF callback drops DNS responses with 0 answers. +func Test_28_UserDefinedNetworkNeighborhood(t *testing.T) { + start := time.Now() + defer tearDownTest(t, start) + + ns := testutils.NewRandomNamespace() + k8sClient := k8sinterface.NewKubernetesApi() + storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) + + // 1. Create user-defined ApplicationProfile (skip learning). + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "curl-ap", + Namespace: ns.Name, + Annotations: map[string]string{ + helpersv1.ManagedByMetadataKey: helpersv1.ManagedByUserValue, + helpersv1.StatusMetadataKey: helpersv1.Completed, + helpersv1.CompletionMetadataKey: helpersv1.Full, + }, + Labels: map[string]string{ + helpersv1.ApiGroupMetadataKey: "apps", + helpersv1.ApiVersionMetadataKey: "v1", + helpersv1.KindMetadataKey: "Deployment", + helpersv1.NameMetadataKey: "curl-28", + helpersv1.NamespaceMetadataKey: ns.Name, + }, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "curl", + Capabilities: []string{}, + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/sleep"}, + {Path: "/usr/bin/curl"}, + }, + Opens: []v1beta1.OpenCalls{}, + Syscalls: []string{"socket", "connect", "sendto", "recvfrom", "read", "write", "close", "openat", "mmap", "mprotect", "munmap", "fcntl", "ioctl", "poll", "epoll_create1", "epoll_ctl", "epoll_wait", "bind", "listen", "accept4", "getsockopt", "setsockopt", "getsockname", "getpid", "fstat", "rt_sigaction", "rt_sigprocmask", "writev"}, + }, + }, + }, + } + _, err := storageClient.ApplicationProfiles(ns.Name).Create( + context.Background(), ap, metav1.CreateOptions{}) + require.NoError(t, err, "create AP curl-ap") + + // 2. Create user-defined NN allowing only fusioncore.ai on TCP/80. + nn := &v1beta1.NetworkNeighborhood{ + ObjectMeta: metav1.ObjectMeta{ + Name: "curl-nn", + Namespace: ns.Name, + Annotations: map[string]string{ + helpersv1.ManagedByMetadataKey: helpersv1.ManagedByUserValue, + helpersv1.StatusMetadataKey: helpersv1.Completed, + helpersv1.CompletionMetadataKey: helpersv1.Full, + }, + Labels: map[string]string{ + helpersv1.ApiGroupMetadataKey: "apps", + helpersv1.ApiVersionMetadataKey: "v1", + helpersv1.KindMetadataKey: "Deployment", + helpersv1.NameMetadataKey: "curl-28", + helpersv1.NamespaceMetadataKey: ns.Name, + }, + }, + Spec: v1beta1.NetworkNeighborhoodSpec{ + LabelSelector: metav1.LabelSelector{ + MatchLabels: map[string]string{"app": "curl-28"}, + }, + Containers: []v1beta1.NetworkNeighborhoodContainer{ + { + Name: "curl", + Egress: []v1beta1.NetworkNeighbor{ + { + Identifier: "fusioncore-egress", + Type: "external", + DNS: "fusioncore.ai.", + DNSNames: []string{"fusioncore.ai."}, + IPAddress: "162.0.217.171", + Ports: []v1beta1.NetworkPort{ + {Name: "TCP-80", Protocol: "TCP", Port: ptr.To(int32(80))}, + }, + }, + }, + }, + }, + }, + } + _, err = storageClient.NetworkNeighborhoods(ns.Name).Create( + context.Background(), nn, metav1.CreateOptions{}) + require.NoError(t, err, "create NN curl-nn") + t.Logf("created AP + NN in ns %s", ns.Name) + + // 2b. Poll storage until both AP and NN are retrievable. + // Node-agent does a single fetch on container start with no retry, + // so the profile MUST exist before the pod is created. + require.Eventually(t, func() bool { + _, apErr := storageClient.ApplicationProfiles(ns.Name).Get(context.Background(), "curl-ap", metav1.GetOptions{}) + _, nnErr := storageClient.NetworkNeighborhoods(ns.Name).Get(context.Background(), "curl-nn", metav1.GetOptions{}) + return apErr == nil && nnErr == nil + }, 30*time.Second, 1*time.Second, "AP and NN must be retrievable from storage before deploying the pod") + t.Logf("verified AP + NN are retrievable from storage") + + // 3. Deploy curl with both user-defined labels (no learning). + wl, err := testutils.NewTestWorkload(ns.Name, path.Join(utils.CurrentDir(), "resources/nginx-user-defined-deployment.yaml")) + require.NoError(t, err) + require.NoError(t, wl.WaitForReady(80)) + t.Logf("pod ready in ns %s", ns.Name) + + // Give node-agent time to load the user-defined profiles into cache. + time.Sleep(30 * time.Second) + + // 4. Trigger anomalous traffic NOT in the NN. + exec := func(cmd []string) { + stdout, stderr, err := wl.ExecIntoPod(cmd, "curl") + t.Logf("exec %v → err=%v stdout=%q stderr=%q", cmd, err, stdout, stderr) + } + + // 4a. TCP egress to IPs not in NN (triggers R0011). + exec([]string{"curl", "-sm5", "http://8.8.8.8"}) + exec([]string{"curl", "-sm5", "http://1.1.1.1"}) + + // 4b. DNS lookups for real resolvable domains not in NN (triggers R0005). + // Must use domains that actually resolve (non-NXDOMAIN) because trace_dns + // drops responses with 0 answers. + exec([]string{"curl", "-sm5", "http://google.com"}) + exec([]string{"curl", "-sm5", "http://ebpf.io"}) + exec([]string{"curl", "-sm5", "http://cloudflare.com"}) + + // 5. Wait for alerts and assert both R0011 and R0005 fire. + time.Sleep(30 * time.Second) + alerts, err := testutils.GetAlerts(ns.Name) + require.NoError(t, err) + + t.Logf("=== %d alerts in namespace %s ===", len(alerts), ns.Name) + for i, a := range alerts { + t.Logf(" [%d] rule=%s(%s) container=%s", i, + a.Labels["rule_name"], a.Labels["rule_id"], a.Labels["container_name"]) + } + + r0011Count := 0 + r0005Count := 0 + for _, a := range alerts { + switch a.Labels["rule_id"] { + case "R0011": + r0011Count++ + case "R0005": + r0005Count++ + } + } + + require.Greater(t, r0011Count, 0, + "expected R0011 'Unexpected Egress Network Traffic' alerts for 8.8.8.8/1.1.1.1, got none") + t.Logf("R0011 alerts: %d — user-defined NN correctly detects anomalous TCP egress", r0011Count) + + require.Greater(t, r0005Count, 0, + "expected R0005 'DNS Anomalies' alerts for google.com/ebpf.io/cloudflare.com, got none") + t.Logf("R0005 alerts: %d — user-defined NN correctly detects anomalous DNS lookups", r0005Count) +} diff --git a/tests/resources/curl-plain-deployment.yaml b/tests/resources/curl-plain-deployment.yaml new file mode 100644 index 0000000000..003810550a --- /dev/null +++ b/tests/resources/curl-plain-deployment.yaml @@ -0,0 +1,20 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: curl-fusioncore-28-0 + name: curl-fusioncore-deployment +spec: + selector: + matchLabels: + app: curl-fusioncore-28-0 + replicas: 1 + template: + metadata: + labels: + app: curl-fusioncore-28-0 + spec: + containers: + - name: curl + image: docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058 + command: ["sleep", "infinity"] diff --git a/tests/resources/curl-user-network-deployment.yaml b/tests/resources/curl-user-network-deployment.yaml new file mode 100644 index 0000000000..122de0f1c1 --- /dev/null +++ b/tests/resources/curl-user-network-deployment.yaml @@ -0,0 +1,21 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: curl-fusioncore-28-1 + name: curl-fusioncore-deployment +spec: + selector: + matchLabels: + app: curl-fusioncore-28-1 + replicas: 1 + template: + metadata: + labels: + app: curl-fusioncore-28-1 + kubescape.io/user-defined-network: fusioncore-network + spec: + containers: + - name: curl + image: docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058 + command: ["sleep", "infinity"] diff --git a/tests/resources/curl-user-profile-wildcards-deployment.yaml b/tests/resources/curl-user-profile-wildcards-deployment.yaml new file mode 100644 index 0000000000..7b2e4ab7db --- /dev/null +++ b/tests/resources/curl-user-profile-wildcards-deployment.yaml @@ -0,0 +1,21 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: curl-fusioncore + name: curl-fusioncore-deployment +spec: + selector: + matchLabels: + app: curl-fusioncore + replicas: 1 + template: + metadata: + labels: + app: curl-fusioncore + kubescape.io/user-defined-profile: fusioncore-profile-wildcards + spec: + containers: + - name: curl + image: docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058 + command: ["sleep", "infinity"] diff --git a/tests/resources/debug-learn-nn.sh b/tests/resources/debug-learn-nn.sh new file mode 100755 index 0000000000..aa05d74fe0 --- /dev/null +++ b/tests/resources/debug-learn-nn.sh @@ -0,0 +1,82 @@ +#!/usr/bin/env bash +# +# debug-learn-nn.sh — Deploy curl container without user-defined labels, +# trigger DNS+HTTP traffic, wait for NN to learn, dump the result. +# +# Usage: +# ./debug-learn-nn.sh +# +set -euo pipefail + +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" +NS="debug-nn-$(head -c4 /dev/urandom | xxd -p)" + +echo "=== Creating namespace $NS ===" +kubectl create namespace "$NS" + +echo "=== Deploying curl (no user-defined labels) ===" +kubectl apply -n "$NS" -f "$SCRIPT_DIR/curl-plain-deployment.yaml" +kubectl rollout status deployment/curl-fusioncore-deployment -n "$NS" --timeout=120s +POD=$(kubectl get pods -n "$NS" -l app=curl-fusioncore -o jsonpath='{.items[0].metadata.name}') +echo "Pod: $POD" + +echo "" +echo "=== Checking available DNS tools ===" +echo "--- which nslookup ---" +kubectl exec -n "$NS" "$POD" -c curl -- which nslookup 2>&1 || echo "(not found)" +echo "--- which dig ---" +kubectl exec -n "$NS" "$POD" -c curl -- which dig 2>&1 || echo "(not found)" +echo "--- which host ---" +kubectl exec -n "$NS" "$POD" -c curl -- which host 2>&1 || echo "(not found)" +echo "--- busybox --list (dns-related) ---" +kubectl exec -n "$NS" "$POD" -c curl -- busybox --list 2>&1 | grep -iE 'nslookup|dig|host|wget|ping' || echo "(none found)" + +echo "" +echo "=== Triggering DNS + network traffic ===" + +echo "--- nslookup fusioncore.ai ---" +kubectl exec -n "$NS" "$POD" -c curl -- nslookup fusioncore.ai 2>&1 || true + +echo "--- curl -sm5 http://fusioncore.ai ---" +kubectl exec -n "$NS" "$POD" -c curl -- curl -sm5 http://fusioncore.ai >/dev/null 2>&1 || true + +echo "--- nslookup google.com ---" +kubectl exec -n "$NS" "$POD" -c curl -- nslookup google.com 2>&1 || true + +echo "--- curl -sm5 http://google.com ---" +kubectl exec -n "$NS" "$POD" -c curl -- curl -sm5 http://google.com >/dev/null 2>&1 || true + +sleep 5 +echo "--- repeat: nslookup + curl fusioncore.ai ---" +kubectl exec -n "$NS" "$POD" -c curl -- nslookup fusioncore.ai 2>&1 || true +kubectl exec -n "$NS" "$POD" -c curl -- curl -sm5 http://fusioncore.ai >/dev/null 2>&1 || true + +echo "" +echo "=== Waiting for NN to complete ===" +for i in $(seq 1 60); do + NN_STATUS=$(kubectl get networkneighborhoods -n "$NS" \ + -o jsonpath='{.items[0].metadata.annotations.kubescape\.io/status}' 2>/dev/null || true) + AP_STATUS=$(kubectl get applicationprofiles -n "$NS" \ + -o jsonpath='{.items[0].metadata.annotations.kubescape\.io/status}' 2>/dev/null || true) + echo " [$i] AP=$AP_STATUS NN=$NN_STATUS" + [ "$NN_STATUS" = "completed" ] && break + sleep 10 +done + +echo "" +echo "========== Learned NetworkNeighborhood ==========" +kubectl get networkneighborhoods -n "$NS" -o yaml 2>&1 +echo "=================================================" + +echo "" +echo "========== Learned ApplicationProfile (execs) ==========" +kubectl get applicationprofiles -n "$NS" \ + -o jsonpath='{.items[0].spec.containers[0].execs}' 2>&1 | python3 -m json.tool 2>/dev/null || \ + kubectl get applicationprofiles -n "$NS" \ + -o jsonpath='{.items[0].spec.containers[0].execs}' 2>&1 +echo "" +echo "=======================================================" + +echo "" +echo "Namespace: $NS (left intact for inspection)" +echo "Cleanup: kubectl delete namespace $NS" diff --git a/tests/resources/known-application-profile-wildcards.yaml b/tests/resources/known-application-profile-wildcards.yaml new file mode 100644 index 0000000000..ec60a6716a --- /dev/null +++ b/tests/resources/known-application-profile-wildcards.yaml @@ -0,0 +1,155 @@ +## +## User-defined ApplicationProfile with wildcard opens for Test_27. +## +## Derived from the learned AP of curlimages/curl:8.5.0, +## with opens collapsed using the wildcard identifier: +## * — matches zero or more path segments +## +## Usage: +## sed "s/{{NAMESPACE}}/$NS/g" known-application-profile-wildcards.yaml \ +## | kubectl apply -f - +## +apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 +kind: ApplicationProfile +metadata: + name: fusioncore-profile-wildcards + namespace: "{{NAMESPACE}}" +spec: + architectures: ["amd64"] + containers: + - name: curl + imageID: "docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058" + imageTag: "docker.io/curlimages/curl:8.5.0" + capabilities: + - CAP_CHOWN + - CAP_DAC_OVERRIDE + - CAP_DAC_READ_SEARCH + - CAP_SETGID + - CAP_SETPCAP + - CAP_SETUID + - CAP_SYS_ADMIN + execs: + - path: /bin/sleep + args: ["/bin/sleep", "infinity"] + - path: /bin/cat + args: ["/bin/cat"] + - path: /usr/bin/curl + args: ["/usr/bin/curl", "-sm2", "fusioncore.ai"] + - path: /usr/bin/nslookup + args: ["/usr/bin/nslookup"] + opens: + # --- /etc: wildcard covers any config file --- + - path: "/etc/*" + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + # --- /etc/ssl: exact --- + - path: /etc/ssl/openssl.cnf + flags: ["O_RDONLY", "O_LARGEFILE"] + # --- /home: wildcard covers curlrc in any depth --- + - path: "/home/*" + flags: ["O_RDONLY", "O_LARGEFILE"] + # --- /lib: wildcard covers all shared libs --- + - path: "/lib/*" + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + # --- /usr/lib: wildcard covers all versioned shared libs --- + - path: "/usr/lib/*" + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + # --- /usr/local/lib: wildcard covers all local shared libs --- + - path: "/usr/local/lib/*" + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + # --- /proc: wildcard for dynamic PID segments --- + - path: "/proc/*/cgroup" + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: "/proc/*/kernel/cap_last_cap" + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: "/proc/*/mountinfo" + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: "/proc/*/task/*/fd" + flags: ["O_RDONLY", "O_DIRECTORY", "O_CLOEXEC"] + # --- /sys --- + - path: "/sys/fs/cgroup/cpu.max" + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size" + flags: ["O_RDONLY"] + # --- runtime internals --- + - path: /7/setgroups + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /runc + flags: ["O_RDONLY", "O_CLOEXEC"] + syscalls: + - arch_prctl + - bind + - brk + - capget + - capset + - chdir + - clone + - close + - close_range + - connect + - epoll_ctl + - epoll_pwait + - execve + - exit + - exit_group + - faccessat2 + - fchown + - fcntl + - fstat + - fstatfs + - futex + - getcwd + - getdents64 + - getegid + - geteuid + - getgid + - getpeername + - getppid + - getsockname + - getsockopt + - gettid + - getuid + - ioctl + - membarrier + - mmap + - mprotect + - munmap + - nanosleep + - newfstatat + - open + - openat + - openat2 + - pipe + - poll + - prctl + - read + - recvfrom + - recvmsg + - rt_sigaction + - rt_sigprocmask + - rt_sigreturn + - sendto + - set_tid_address + - setgid + - setgroups + - setsockopt + - setuid + - sigaltstack + - socket + - statx + - tkill + - unknown + - write + - writev + endpoints: + - endpoint: ":80/" + direction: outbound + methods: ["GET"] + internal: false + headers: '{"Host":["fusioncore.ai"]}' + seccompProfile: + spec: + defaultAction: "" + rulePolicies: {} + initContainers: [] + ephemeralContainers: [] +status: {} diff --git a/tests/resources/known-application-profile.yaml b/tests/resources/known-application-profile.yaml new file mode 100644 index 0000000000..b802941572 --- /dev/null +++ b/tests/resources/known-application-profile.yaml @@ -0,0 +1,245 @@ +## +## User-defined ApplicationProfile for Test_28. +## +## Referenced directly from a pod via the label: +## kubescape.io/user-defined-profile: fusioncore-profile +## +## Modeled after a real auto-learned AP from curlimages/curl:8.5.0. +## +## Usage: +## sed "s/{{NAMESPACE}}/$NS/g" known-application-profile.yaml \ +## | kubectl apply -f - +## +apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 +kind: ApplicationProfile +metadata: + name: fusioncore-profile + namespace: "{{NAMESPACE}}" +spec: + architectures: ["amd64"] + containers: + - name: curl + imageID: "docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058" + imageTag: "docker.io/curlimages/curl:8.5.0" + capabilities: + - CAP_CHOWN + - CAP_DAC_OVERRIDE + - CAP_DAC_READ_SEARCH + - CAP_SETGID + - CAP_SETPCAP + - CAP_SETUID + - CAP_SYS_ADMIN + execs: + - path: /bin/sleep + args: ["/bin/sleep", "infinity"] + - path: /bin/cat + args: ["/bin/cat"] + - path: /usr/bin/curl + args: ["/usr/bin/curl", "-sm2", "fusioncore.ai"] + - path: /usr/bin/nslookup + args: ["/usr/bin/nslookup"] + opens: + - path: /7/setgroups + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /etc/hosts + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /etc/ld-musl-x86_64.path + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /etc/passwd + flags: ["O_RDONLY", "O_CLOEXEC", "O_LARGEFILE"] + - path: /etc/resolv.conf + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /etc/ssl/openssl.cnf + flags: ["O_RDONLY", "O_LARGEFILE"] + - path: /home/curl_user/.config/curlrc + flags: ["O_RDONLY", "O_LARGEFILE"] + - path: /home/curl_user/.curlrc + flags: ["O_RDONLY", "O_LARGEFILE"] + - path: /lib/libbrotlicommon.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libbrotlidec.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libcom_err.so.2.1 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /lib/libcrypto.so.3 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /lib/libcurl.so.4 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libgssapi_krb5.so.2 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libidn2.so.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libk5crypto.so.3 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /lib/libkeyutils.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libkrb5.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libkrb5support.so.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libnghttp2.so.14 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /lib/libpsl.so.5 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libssh2.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libssl.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libunistring.so.5 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /lib/libz.so.1.3 + flags: ["O_LARGEFILE", "O_CLOEXEC", "O_RDONLY"] + - path: /proc/⋯/cgroup + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /proc/⋯/kernel/cap_last_cap + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /proc/⋯/mountinfo + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /proc/⋯/task/1/fd + flags: ["O_RDONLY", "O_DIRECTORY", "O_CLOEXEC"] + - path: /proc/⋯/task/7/fd + flags: ["O_RDONLY", "O_DIRECTORY", "O_CLOEXEC"] + - path: /runc + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /sys/fs/cgroup/cpu.max + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /sys/kernel/mm/transparent_hugepage/hpage_pmd_size + flags: ["O_RDONLY"] + - path: /usr/lib/libbrotlicommon.so.1.1.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libbrotlidec.so.1.1.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libcurl.so.4.8.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libgssapi_krb5.so.2.2 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libidn2.so.0.3.8 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/lib/libk5crypto.so.3.1 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/lib/libkeyutils.so.1.10 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libkrb5.so.3.3 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/lib/libkrb5support.so.0.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libnghttp2.so.14.25.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libpsl.so.5.3.4 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/lib/libssh2.so.1.0.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libunistring.so.5.0.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libbrotlicommon.so.1 + flags: ["O_LARGEFILE", "O_CLOEXEC", "O_RDONLY"] + - path: /usr/local/lib/libbrotlidec.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libcom_err.so.2 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/local/lib/libcrypto.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libcurl.so.4 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libgssapi_krb5.so.2 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libidn2.so.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libk5crypto.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libkeyutils.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libkrb5.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libkrb5support.so.0 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/local/lib/libnghttp2.so.14 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libpsl.so.5 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libssh2.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libssl.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libunistring.so.5 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libz.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + syscalls: + - arch_prctl + - bind + - brk + - capget + - capset + - chdir + - clone + - close + - close_range + - connect + - epoll_ctl + - epoll_pwait + - execve + - exit + - exit_group + - faccessat2 + - fchown + - fcntl + - fstat + - fstatfs + - futex + - getcwd + - getdents64 + - getegid + - geteuid + - getgid + - getpeername + - getppid + - getsockname + - getsockopt + - gettid + - getuid + - ioctl + - membarrier + - mmap + - mprotect + - munmap + - nanosleep + - newfstatat + - open + - openat + - openat2 + - pipe + - poll + - prctl + - read + - recvfrom + - recvmsg + - rt_sigaction + - rt_sigprocmask + - rt_sigreturn + - sendto + - set_tid_address + - setgid + - setgroups + - setsockopt + - setuid + - sigaltstack + - socket + - statx + - tkill + - unknown + - write + - writev + endpoints: + - endpoint: ":80/" + direction: outbound + methods: ["GET"] + internal: false + headers: '{"Host":["fusioncore.ai"]}' + seccompProfile: + spec: + defaultAction: "" + rulePolicies: {} + initContainers: [] + ephemeralContainers: [] +status: {} diff --git a/tests/resources/known-network-neighborhood.yaml b/tests/resources/known-network-neighborhood.yaml new file mode 100644 index 0000000000..0d4caa0c4e --- /dev/null +++ b/tests/resources/known-network-neighborhood.yaml @@ -0,0 +1,49 @@ +## +## User-defined NetworkNeighborhood for Test_28. +## +## Referenced directly from a pod via the label: +## kubescape.io/user-defined-network: fusioncore-network +## +## Carries "kubescape.io/managed-by: User" annotation and workload +## labels to match the schema the node-agent cache expects. +## +## Modeled after a real auto-learned NN from curlimages/curl:8.5.0. +## +## Usage: +## sed "s/{{NAMESPACE}}/$NS/g" known-network-neighborhood.yaml \ +## | kubectl apply -f - +## +apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 +kind: NetworkNeighborhood +metadata: + name: fusioncore-network + namespace: "{{NAMESPACE}}" + annotations: + kubescape.io/managed-by: User + kubescape.io/status: completed + kubescape.io/completion: complete + labels: + kubescape.io/workload-api-group: apps + kubescape.io/workload-api-version: v1 + kubescape.io/workload-kind: Deployment + kubescape.io/workload-name: curl-fusioncore-deployment + kubescape.io/workload-namespace: "{{NAMESPACE}}" +spec: + matchLabels: + app: curl-fusioncore-28-1 + containers: + - name: curl + ingress: [] + egress: + - dns: fusioncore.ai. + dnsNames: + - fusioncore.ai. + identifier: a5e64ff1db824089b1706ac872303e55075f92cf6a652b5272f06c3a2b9e8d10 + ipAddress: 162.0.217.171 + namespaceSelector: null + podSelector: null + ports: + - name: TCP-80 + port: 80 + protocol: TCP + type: external diff --git a/tests/resources/nginx-both-user-defined-deployment.yaml b/tests/resources/nginx-both-user-defined-deployment.yaml new file mode 100644 index 0000000000..76d8959ded --- /dev/null +++ b/tests/resources/nginx-both-user-defined-deployment.yaml @@ -0,0 +1,23 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: nginx-fusioncore + name: nginx-fusioncore-deployment +spec: + selector: + matchLabels: + app: nginx-fusioncore + replicas: 1 + template: + metadata: + labels: + app: nginx-fusioncore + kubescape.io/user-defined-profile: fusioncore-profile + kubescape.io/user-defined-network: fusioncore-network + spec: + containers: + - name: nginx + image: nginx:1.14.2 + ports: + - containerPort: 80 diff --git a/tests/resources/nginx-known-network-deployment.yaml b/tests/resources/nginx-known-network-deployment.yaml new file mode 100644 index 0000000000..0a947f5d4d --- /dev/null +++ b/tests/resources/nginx-known-network-deployment.yaml @@ -0,0 +1,21 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: nginx-fusioncore + name: nginx-fusioncore-deployment +spec: + selector: + matchLabels: + app: nginx-fusioncore + replicas: 1 + template: + metadata: + labels: + app: nginx-fusioncore + spec: + containers: + - name: nginx + image: nginx:1.14.2 + ports: + - containerPort: 80 diff --git a/tests/resources/nginx-user-defined-deployment.yaml b/tests/resources/nginx-user-defined-deployment.yaml new file mode 100644 index 0000000000..8e68df16bb --- /dev/null +++ b/tests/resources/nginx-user-defined-deployment.yaml @@ -0,0 +1,22 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: curl-28 + name: curl-28 +spec: + selector: + matchLabels: + app: curl-28 + replicas: 1 + template: + metadata: + labels: + app: curl-28 + kubescape.io/user-defined-network: curl-nn + kubescape.io/user-defined-profile: curl-ap + spec: + containers: + - name: curl + image: docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058 + command: ["sleep", "infinity"] diff --git a/tests/resources/nginx-user-network-deployment.yaml b/tests/resources/nginx-user-network-deployment.yaml new file mode 100644 index 0000000000..618f814de3 --- /dev/null +++ b/tests/resources/nginx-user-network-deployment.yaml @@ -0,0 +1,22 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: nginx-fusioncore + name: nginx-fusioncore-deployment +spec: + selector: + matchLabels: + app: nginx-fusioncore + replicas: 1 + template: + metadata: + labels: + app: nginx-fusioncore + kubescape.io/user-defined-network: fusioncore-network + spec: + containers: + - name: nginx + image: nginx:1.14.2 + ports: + - containerPort: 80 diff --git a/tests/resources/run-test-28.sh b/tests/resources/run-test-28.sh new file mode 100755 index 0000000000..582aac83cd --- /dev/null +++ b/tests/resources/run-test-28.sh @@ -0,0 +1,163 @@ +#!/usr/bin/env bash +# +# run-test-28.sh — Manual execution of Test_28_UserDefinedNetworkNeighborhood +# +# Applies user-defined NN, deploys curl, waits for AP to auto-learn, +# triggers allowed + unknown traffic, checks for alerts. +# +# Usage: +# ./run-test-28.sh # run the test +# ./run-test-28.sh learn # learn NN from scratch (debug) +# +set -euo pipefail + +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" +ALERTMANAGER_URL="${ALERTMANAGER_URL:-http://localhost:9093}" +SCENARIO="${1:-test}" + +# Ensure alertmanager port-forward is active. +if ! curl -s --max-time 2 "$ALERTMANAGER_URL/api/v2/alerts" >/dev/null 2>&1; then + echo "Alertmanager not reachable at $ALERTMANAGER_URL — starting port-forward..." + kubectl port-forward svc/alertmanager-operated 9093:9093 -n monitoring & + ALERT_PF_PID=$! + sleep 3 + if ! curl -s --max-time 2 "$ALERTMANAGER_URL/api/v2/alerts" >/dev/null 2>&1; then + echo "ERROR: alertmanager still not reachable after port-forward (pid=$ALERT_PF_PID)" + kill "$ALERT_PF_PID" 2>/dev/null || true + exit 1 + fi + trap 'kill $ALERT_PF_PID 2>/dev/null || true' EXIT +fi + +get_all_alerts() { + local ns="$1" + curl -s "$ALERTMANAGER_URL/api/v2/alerts" | \ + jq "[.[] | select(.labels.namespace==\"$ns\")]" +} + +wait_for_pod() { + local ns="$1" + kubectl rollout status deployment/curl-fusioncore-deployment -n "$ns" --timeout=120s +} + +get_pod() { + local ns="$1" + kubectl get pods -n "$ns" -l app=curl-fusioncore-28-1 \ + -o jsonpath='{.items[0].metadata.name}' 2>/dev/null +} + +# ================================================================= +# Main test: apply NN manifest, deploy curl, trigger traffic, check alerts +# ================================================================= +run_test() { + local NS="t28-$(head -c4 /dev/urandom | xxd -p)" + local NET="fusioncore-network-$NS" + echo "" + echo "=== Test 28: User-Defined NN (ns=$NS, net=$NET) ===" + + kubectl create namespace "$NS" --dry-run=client -o yaml | kubectl apply -f - + + # 1. Apply NN manifest with unique name + sed -e "s/{{NAMESPACE}}/$NS/g" \ + -e "s/fusioncore-network/$NET/g" \ + "$SCRIPT_DIR/known-network-neighborhood.yaml" | kubectl apply -f - + echo " NN $NET created" + + # 2. Deploy curl with user-defined-network label + sed "s/{{NETWORK_NAME}}/$NET/g" \ + "$SCRIPT_DIR/curl-user-network-deployment.yaml" | kubectl apply -n "$NS" -f - + wait_for_pod "$NS" + local POD; POD=$(get_pod "$NS") + echo " Pod: $POD" + + # 3. Wait for AP to auto-learn + echo " Waiting for AP to complete..." + for i in $(seq 1 80); do + AP_STATUS=$(kubectl get applicationprofiles -n "$NS" \ + -o jsonpath='{.items[0].metadata.annotations.kubescape\.io/status}' 2>/dev/null || true) + [ "$AP_STATUS" = "completed" ] && break + sleep 10 + done + echo " AP status: $AP_STATUS" + + # 4. Trigger traffic + echo " Triggering traffic..." + echo " nslookup fusioncore.ai (allowed)" + kubectl exec -n "$NS" "$POD" -c curl -- nslookup fusioncore.ai 2>&1 || true + echo " curl fusioncore.ai (allowed)" + kubectl exec -n "$NS" "$POD" -c curl -- curl -sm2 http://fusioncore.ai >/dev/null 2>&1 || true + echo " nslookup evil.example.com (unknown)" + kubectl exec -n "$NS" "$POD" -c curl -- nslookup evil.example.com 2>&1 || true + echo " curl evil.example.com (unknown)" + kubectl exec -n "$NS" "$POD" -c curl -- curl -sm2 http://evil.example.com >/dev/null 2>&1 || true + + echo " Waiting 30s for alerts..." + sleep 30 + + # 5. Check alerts + echo "" + echo " === All alerts in namespace $NS ===" + ALERTS=$(get_all_alerts "$NS") + ALERT_COUNT=$(echo "$ALERTS" | jq 'length') + echo "$ALERTS" | jq -r '.[] | " [\(.labels.rule_name)] container=\(.labels.container_name // "n/a")"' + echo " Total: $ALERT_COUNT" + echo " ======================================" + + if [ "$ALERT_COUNT" -eq 0 ]; then + echo " FAIL: expected at least one alert (R0005 for evil.example.com), got ZERO" + echo " Namespace $NS left for inspection" + exit 1 + else + echo " PASS: got $ALERT_COUNT alert(s)" + echo " Cleanup: kubectl delete namespace $NS" + fi +} + +# ================================================================= +# Learn scenario: no user-defined labels, learn NN from scratch +# ================================================================= +run_learn() { + local NS="t28-learn-$(head -c4 /dev/urandom | xxd -p)" + echo "" + echo "=== LEARN NN from scratch (ns=$NS) ===" + + kubectl create namespace "$NS" --dry-run=client -o yaml | kubectl apply -f - + kubectl apply -n "$NS" -f "$SCRIPT_DIR/curl-plain-deployment.yaml" + wait_for_pod "$NS" + local POD; POD=$(kubectl get pods -n "$NS" -l app=curl-fusioncore-28-0 \ + -o jsonpath='{.items[0].metadata.name}' 2>/dev/null) + echo " Pod: $POD" + + echo " Triggering traffic during learning window..." + kubectl exec -n "$NS" "$POD" -c curl -- nslookup fusioncore.ai 2>&1 || true + kubectl exec -n "$NS" "$POD" -c curl -- curl -sm5 http://fusioncore.ai >/dev/null 2>&1 || true + sleep 5 + kubectl exec -n "$NS" "$POD" -c curl -- nslookup fusioncore.ai 2>&1 || true + kubectl exec -n "$NS" "$POD" -c curl -- curl -sm5 http://fusioncore.ai >/dev/null 2>&1 || true + + echo " Waiting for NN to complete..." + for i in $(seq 1 80); do + NN_STATUS=$(kubectl get networkneighborhoods -n "$NS" \ + -o jsonpath='{.items[0].metadata.annotations.kubescape\.io/status}' 2>/dev/null || true) + [ "$NN_STATUS" = "completed" ] && break + sleep 10 + done + echo " NN status: $NN_STATUS" + + echo "" + echo " === Learned NetworkNeighborhood ===" + kubectl get networkneighborhoods -n "$NS" -o yaml 2>&1 + echo " ===================================" + echo "" + echo " Namespace $NS left for inspection" + echo " Cleanup: kubectl delete namespace $NS" +} + +case "$SCENARIO" in + test) run_test ;; + learn) run_learn ;; + *) + echo "Usage: $0 [test|learn]" + exit 1 + ;; +esac diff --git a/tests/resources/test-28-iterate.sh b/tests/resources/test-28-iterate.sh new file mode 100755 index 0000000000..355fdf65ff --- /dev/null +++ b/tests/resources/test-28-iterate.sh @@ -0,0 +1,232 @@ +#!/usr/bin/env bash +# +# test-28-iterate.sh — Self-contained test for user-defined NN alerts +# +# Prerequisites: +# - R0011 must be enabled with isTriggerAlert=true in the Rules CRD +# - R0005 should have isTriggerAlert=true for DNS alerts +# - Alertmanager port-forward active on localhost:9093 +# +# Usage: ./test-28-iterate.sh +# +set -euo pipefail + +ALERTMANAGER_URL="${ALERTMANAGER_URL:-http://localhost:9093}" +NA_POD=$(kubectl get pods -n kubescape -l app=node-agent -o jsonpath='{.items[0].metadata.name}') + +# Ensure alertmanager reachable +if ! curl -s --max-time 2 "$ALERTMANAGER_URL/api/v2/alerts" >/dev/null 2>&1; then + echo "ERROR: alertmanager not reachable at $ALERTMANAGER_URL" + exit 1 +fi + +get_alerts() { + local ns="$1" + curl -s "$ALERTMANAGER_URL/api/v2/alerts" | jq "[.[] | select(.labels.namespace==\"$ns\")]" +} + +cleanup_ns() { + kubectl delete namespace "$1" --wait=false 2>/dev/null || true +} + +# ================================================================ +# Ensure R0005 and R0011 are enabled with isTriggerAlert=true +# ================================================================ +echo "Patching rules: R0005 isTriggerAlert=true, R0011 enabled+isTriggerAlert=true" +kubectl get rules -n kubescape default-rules -o json | jq ' + .spec.rules = [ + .spec.rules[] | + if .id == "R0005" then .isTriggerAlert = true + elif .id == "R0011" then .enabled = true | .isTriggerAlert = true + else . + end + ] +' | kubectl apply -f - >/dev/null 2>&1 +echo " Done" + +# ================================================================ +# TEST: User-defined AP + NN → R0011 for anomalous TCP egress +# ================================================================ +NS="t28-$(head -c4 /dev/urandom | xxd -p)" +echo "" +echo "============================================================" +echo "TEST: User-defined AP + NN → R0011 Unexpected Egress Traffic" +echo " ns=$NS" +echo "============================================================" + +kubectl create namespace "$NS" --dry-run=client -o yaml | kubectl apply -f - + +# Create user-defined ApplicationProfile +cat <&1 \ + | grep -c "added user-defined network neighborhood" || true) + GOT_AP=$(kubectl logs "$NA_POD" -n kubescape -c node-agent --since=30s 2>&1 \ + | grep -c "added user-defined application profile\|user defined profile" || true) + echo " NN=$GOT_NN AP=$GOT_AP" + [ "$GOT_NN" -gt 0 ] && [ "$GOT_AP" -gt 0 ] && break + sleep 3 +done + +# Trigger anomalous TCP egress (R0011) +echo "" +echo " [anomaly] curl -sm5 http://8.8.8.8 (NOT in NN egress)" +kubectl exec -n "$NS" "$POD" -c nginx -- curl -sm5 http://8.8.8.8 2>&1 || true +echo " [anomaly] curl -sm5 http://1.1.1.1 (NOT in NN egress)" +kubectl exec -n "$NS" "$POD" -c nginx -- curl -sm5 http://1.1.1.1 2>&1 || true + +# Poll for alerts +echo "" +echo " Polling for alerts..." +R0011_ALERTS=0 +for i in 1 2 3 4; do + sleep 5 + ALERTS=$(get_alerts "$NS") + ALERT_COUNT=$(echo "$ALERTS" | jq 'length') + R0011_ALERTS=$(echo "$ALERTS" | jq '[.[] | select(.labels.rule_id=="R0011")] | length') + echo " poll $i: total=$ALERT_COUNT R0011=$R0011_ALERTS" + [ "$R0011_ALERTS" -gt 0 ] && break +done + +echo "" +echo " === All alerts in $NS ===" +echo "$ALERTS" | jq -r '.[] | " [\(.labels.rule_id)] \(.labels.rule_name) | comm=\(.labels.comm // "?")"' 2>/dev/null || true +echo " Total: $ALERT_COUNT R0011: $R0011_ALERTS" +echo " ========================" + +if [ "$R0011_ALERTS" -gt 0 ]; then + echo "" + echo " >>> RESULT: PASS — R0011 fires for user-defined AP+NN" + cleanup_ns "$NS" + exit 0 +else + echo "" + echo " >>> RESULT: FAIL — no R0011 alerts" + echo " >>> Namespace $NS left for inspection" + exit 1 +fi diff --git a/tests/scripts/local-ci.sh b/tests/scripts/local-ci.sh new file mode 100755 index 0000000000..c226f5f611 --- /dev/null +++ b/tests/scripts/local-ci.sh @@ -0,0 +1,220 @@ +#!/usr/bin/env bash +# local-ci.sh — exact local mirror of .github/workflows/component-tests.yaml +# +# Usage: +# ./tests/scripts/local-ci.sh # full run: cluster setup + deploy + all tests +# ./tests/scripts/local-ci.sh --deploy-only # stop after helm install (skip tests) +# ./tests/scripts/local-ci.sh --test-only Test_27 # skip setup, just run one test +# ./tests/scripts/local-ci.sh Test_27 # full run, single test +# ./tests/scripts/local-ci.sh Test_01 Test_27 # full run, multiple tests +# +# Differences from CI: +# - Uses ~/go/bin/kind (v0.31.0) instead of downloading kind +# - Uses existing kubectl instead of downloading it +# - Builds Docker images locally + kind load instead of pulling from ghcr.io +# - Storage is built from ../storage (local replace for go.mod) +# - Node-agent privileged=true for Kind clusters +set -euo pipefail + +SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" +REPO_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)" +STORAGE_ROOT="$(cd "$REPO_ROOT/../storage" && pwd)" +KIND="${HOME}/go/bin/kind" +KIND_CLUSTER="integration-test" +NAMESPACE="kubescape" +TAG="local-test" + +cd "$REPO_ROOT" + +# ── parse args ──────────────────────────────────────────────────────────────── +DEPLOY_ONLY=false +TEST_ONLY=false +TESTS=() + +for arg in "$@"; do + case "$arg" in + --deploy-only) DEPLOY_ONLY=true ;; + --test-only) TEST_ONLY=true ;; + Test_*) TESTS+=("$arg") ;; + esac +done + +log() { echo "[$(date +%H:%M:%S)] $*"; } + +# ── step 1: kind cluster ───────────────────────────────────────────────────── +# CI: curl kind, ./kind create cluster, download kubectl +setup_cluster() { + if $KIND get clusters 2>/dev/null | grep -q "^${KIND_CLUSTER}$"; then + log "Kind cluster '${KIND_CLUSTER}' already exists, reusing" + else + log "Creating Kind cluster '${KIND_CLUSTER}'" + $KIND create cluster --name "$KIND_CLUSTER" + fi + kubectl cluster-info --context "kind-${KIND_CLUSTER}" >/dev/null 2>&1 \ + || { log "ERROR: cluster unreachable"; exit 1; } +} + +# ── step 2: install prometheus ──────────────────────────────────────────────── +# CI: helm repo add + helm upgrade --install prometheus +install_prometheus() { + if kubectl get ns monitoring >/dev/null 2>&1 && \ + kubectl get pods -n monitoring -l app.kubernetes.io/name=prometheus -o name 2>/dev/null | grep -q .; then + log "Prometheus already installed, skipping" + else + log "Installing Prometheus" + helm repo add prometheus-community https://prometheus-community.github.io/helm-charts 2>/dev/null || true + helm repo update + helm upgrade --install prometheus prometheus-community/kube-prometheus-stack \ + --set grafana.enabled=false \ + --namespace monitoring --create-namespace \ + --set prometheus.prometheusSpec.podMonitorSelectorNilUsesHelmValues=false,prometheus.prometheusSpec.serviceMonitorSelectorNilUsesHelmValues=false \ + --set prometheus.prometheusSpec.maximumStartupDurationSeconds=300 \ + --wait --timeout 5m + fi + kubectl wait --for=condition=Ready pod -l app.kubernetes.io/name=prometheus -n monitoring --timeout=300s +} + +# ── step 3: build + load images ────────────────────────────────────────────── +# CI: pulls from ghcr.io. Locally: docker build + kind load. +build_and_load_images() { + log "Checking disk space" + df -h / | tail -1 + + # Storage + log "Building storage image from ${STORAGE_ROOT}" + docker build -f "${STORAGE_ROOT}/build/Dockerfile" \ + -t "ghcr.io/k8sstormcenter/storage:${TAG}" \ + "${STORAGE_ROOT}" + + # Node-agent: add local storage replace, vendor, build + log "Setting up node-agent go.mod with local storage replace" + go mod edit -replace "github.com/kubescape/storage=${STORAGE_ROOT}" + go mod tidy + go mod vendor + + log "Building node-agent image" + docker build -f build/Dockerfile \ + -t "ghcr.io/k8sstormcenter/node-agent:${TAG}" \ + --build-arg image_version="${TAG}" . + + # Clean up Docker build cache + docker builder prune --filter until=1h -f >/dev/null 2>&1 || true + docker image prune -f >/dev/null 2>&1 || true + + # Drop the local replace (not committed) + go mod edit -dropreplace "github.com/kubescape/storage" + + log "Loading images into Kind" + $KIND load docker-image "ghcr.io/k8sstormcenter/storage:${TAG}" --name "$KIND_CLUSTER" + $KIND load docker-image "ghcr.io/k8sstormcenter/node-agent:${TAG}" --name "$KIND_CLUSTER" + + log "Checking disk space after build" + df -h / | tail -1 +} + +# ── step 4: helm install kubescape ──────────────────────────────────────────── +# CI: helm upgrade --install kubescape ./tests/chart --set ... +install_kubescape() { + log "Installing kubescape chart (storage=${TAG}, node-agent=${TAG})" + helm upgrade --install kubescape ./tests/chart \ + --set clusterName="$(kubectl config current-context)" \ + --set nodeAgent.image.tag="${TAG}" \ + --set nodeAgent.image.repository=ghcr.io/k8sstormcenter/node-agent \ + --set nodeAgent.image.pullPolicy=Never \ + --set storage.image.tag="${TAG}" \ + --set storage.image.pullPolicy=Never \ + --set nodeAgent.privileged=true \ + -n "$NAMESPACE" --create-namespace --wait --timeout 5m \ + --disable-openapi-validation + + kubectl wait --for=condition=Ready pod -l app.kubernetes.io/name=node-agent -n "$NAMESPACE" --timeout=300s + kubectl wait --for=condition=Ready pod -l app.kubernetes.io/name=storage -n "$NAMESPACE" --timeout=300s + sleep 5 +} + +# ── step 5: port forwarding ────────────────────────────────────────────────── +# CI: ./tests/scripts/port-forward.sh +start_port_forwards() { + log "Setting up port forwarding" + # Kill stale port-forwards + pkill -f 'kubectl port-forward.*alertmanager-operated' 2>/dev/null || true + pkill -f 'kubectl port-forward.*prometheus-kube-prometheus' 2>/dev/null || true + sleep 1 + "${SCRIPT_DIR}/port-forward.sh" +} + +# ── step 6: run tests ──────────────────────────────────────────────────────── +# CI: cd tests && go test -v ./... -run ${{ matrix.test }} --timeout=20m --tags=component +run_tests() { + local test_pattern="${1:-}" + + # CI: Update storage dependency (go mod edit -replace ...) + # Locally: same replace so test code compiles against fork storage + log "Applying storage replace for test compilation" + go mod edit -replace "github.com/kubescape/storage=${STORAGE_ROOT}" + go mod tidy + go mod vendor + + if [[ -n "$test_pattern" ]]; then + log "Running test: ${test_pattern}" + cd tests && CGO_ENABLED=0 go test -v ./... -run "${test_pattern}" --timeout=20m --tags=component; cd .. + else + log "Running all component tests" + cd tests && CGO_ENABLED=0 go test -v ./... --timeout=20m --tags=component; cd .. + fi +} + +# ── step 7: collect logs ───────────────────────────────────────────────────── +# CI: kubectl logs ... node-agent + storage +print_logs() { + log "=== Node agent logs ===" + kubectl logs "$(kubectl get pods -n "$NAMESPACE" -o name | grep node-agent)" -n "$NAMESPACE" -c node-agent --tail=100 2>/dev/null || true + echo "-----------------------------------------" + log "=== Storage logs ===" + kubectl logs "$(kubectl get pods -n "$NAMESPACE" -o name | grep storage)" -n "$NAMESPACE" --tail=50 2>/dev/null || true +} + +# ── main ────────────────────────────────────────────────────────────────────── +if $TEST_ONLY; then + # Just run the test(s), assume cluster + deploy are already done + start_port_forwards + if [[ ${#TESTS[@]} -gt 0 ]]; then + for t in "${TESTS[@]}"; do run_tests "$t"; done + else + run_tests "" + fi + print_logs + exit 0 +fi + +setup_cluster +install_prometheus +build_and_load_images +install_kubescape + +if $DEPLOY_ONLY; then + log "Deploy complete. Pods:" + kubectl get pods -n "$NAMESPACE" -o wide + exit 0 +fi + +start_port_forwards + +# Run specified tests or all +set +e +if [[ ${#TESTS[@]} -gt 0 ]]; then + for t in "${TESTS[@]}"; do run_tests "$t"; done +else + run_tests "" +fi +TEST_EXIT=$? +set -e + +print_logs + +if [[ "$TEST_EXIT" -eq 0 ]]; then + log "All tests passed" +else + log "Tests finished with exit code ${TEST_EXIT}" +fi +exit $TEST_EXIT From 773b617ce59e5bd4e55b59145f40717135cd205c Mon Sep 17 00:00:00 2001 From: tanzee Date: Fri, 13 Mar 2026 11:15:19 +0100 Subject: [PATCH 02/31] fork-only: k8sstormcenter CI/workflow customizations Custom GitHub Actions workflows for the k8sstormcenter fork. These changes should NOT be sent upstream. --- .github/workflows/build.yaml | 102 +++++++++ .github/workflows/bypass.yaml | 2 +- .github/workflows/component-tests.yaml | 216 ++++++++++++++++-- .../workflows/incluster-comp-pr-merged.yaml | 16 +- .github/workflows/pr-created.yaml | 4 + .github/workflows/pr-merged.yaml | 2 +- .../nginx-user-profile-deployment.yaml | 22 ++ 7 files changed, 340 insertions(+), 24 deletions(-) create mode 100644 .github/workflows/build.yaml create mode 100644 tests/resources/nginx-user-profile-deployment.yaml diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml new file mode 100644 index 0000000000..f647ab7ea1 --- /dev/null +++ b/.github/workflows/build.yaml @@ -0,0 +1,102 @@ +name: build-image + +on: + workflow_dispatch: + inputs: + IMAGE_TAG: + required: true + type: string + description: "Image tag for the node-agent image" + STORAGE_REF: + required: false + type: string + default: "" + description: "Branch/tag/commit of k8sstormcenter/storage to use (leave empty to keep go.mod default)" + PLATFORMS: + type: boolean + required: false + default: false + description: "Build for both amd64 and arm64" + +jobs: + build: + runs-on: ubuntu-latest + permissions: + id-token: write + packages: write + contents: read + steps: + - uses: actions/checkout@v4 + with: + submodules: recursive + + - uses: actions/setup-go@v5 + with: + go-version: "1.25" + + - name: Update storage dependency + if: ${{ inputs.STORAGE_REF != '' }} + env: + STORAGE_REF: ${{ inputs.STORAGE_REF }} + GONOSUMCHECK: "*" + GOFLAGS: "" + run: | + echo "Replacing github.com/kubescape/storage with github.com/k8sstormcenter/storage@${STORAGE_REF}" + go mod edit -replace "github.com/kubescape/storage=github.com/k8sstormcenter/storage@${STORAGE_REF}" + go mod tidy + echo "Resolved storage version:" + grep "k8sstormcenter/storage" go.sum | head -1 + + - name: Ensure ig is installed + run: | + curl -L https://github.com/inspektor-gadget/inspektor-gadget/releases/download/v0.45.0/ig_0.45.0_amd64.deb -O + sudo dpkg -i ig_0.45.0_amd64.deb + + - name: Build gadgets + run: make gadgets + + - name: Set up QEMU + if: ${{ inputs.PLATFORMS }} + uses: docker/setup-qemu-action@v3 + + - name: Set up Docker Buildx + uses: docker/setup-buildx-action@v3 + + - name: Login to GitHub Container Registry + uses: docker/login-action@v3 + with: + registry: ghcr.io + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} + + - name: Build and push + uses: docker/build-push-action@v6 + with: + context: . + file: build/Dockerfile + tags: ghcr.io/${{ github.repository_owner }}/node-agent:${{ inputs.IMAGE_TAG }} + build-args: image_version=${{ inputs.IMAGE_TAG }} + platforms: ${{ inputs.PLATFORMS && 'linux/amd64,linux/arm64' || 'linux/amd64' }} + push: true + + + trigger-component-tests: + needs: build + runs-on: ubuntu-latest + permissions: + actions: write + steps: + - name: Trigger component tests + env: + GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} + run: | + STORAGE_TAG="${{ inputs.IMAGE_TAG }}" + NODE_AGENT_TAG="${{ inputs.IMAGE_TAG }}" + STORAGE_REF="${{ inputs.STORAGE_REF }}" + echo "Triggering component tests with STORAGE_TAG=${STORAGE_TAG} NODE_AGENT_TAG=${NODE_AGENT_TAG} STORAGE_REF=${STORAGE_REF}" + gh workflow run component-tests.yaml \ + --repo "${{ github.repository }}" \ + --ref "${{ github.ref_name }}" \ + -f STORAGE_TAG="${STORAGE_TAG}" \ + -f NODE_AGENT_TAG="${NODE_AGENT_TAG}" \ + -f STORAGE_REF="${STORAGE_REF}" diff --git a/.github/workflows/bypass.yaml b/.github/workflows/bypass.yaml index 49b38b42c5..be81f0260b 100644 --- a/.github/workflows/bypass.yaml +++ b/.github/workflows/bypass.yaml @@ -20,7 +20,7 @@ jobs: needs: reset-run-number uses: ./.github/workflows/incluster-comp-pr-merged.yaml with: - IMAGE_NAME: quay.io/${{ github.repository_owner }}/node-agent + IMAGE_NAME: ghcr.io/${{ github.repository_owner }}/node-agent IMAGE_TAG: v0.2.${{ needs.reset-run-number.outputs.run-number }} COMPONENT_NAME: nodeAgent CGO_ENABLED: 0 diff --git a/.github/workflows/component-tests.yaml b/.github/workflows/component-tests.yaml index 6c45625f05..f835d43c13 100644 --- a/.github/workflows/component-tests.yaml +++ b/.github/workflows/component-tests.yaml @@ -1,24 +1,132 @@ +# ============================================================================= +# Node Agent Component Tests +# ============================================================================= +# +# Architecture: +# There are TWO independent artifacts in play: +# +# 1. Node-agent container image — the eBPF runtime agent deployed INTO the +# Kind cluster via Helm. Lives in pkg/, cmd/, Makefile, Dockerfile, etc. +# Changes here require an image rebuild before tests can validate them. +# +# 2. Component test binary — a Go test suite compiled on-the-fly from +# tests/component_test.go via `go test`. Runs OUTSIDE the cluster on the +# CI runner. It drives the cluster by creating k8s resources, exec-ing +# into pods, and querying Alertmanager for alerts. +# Changes here do NOT require a node-agent image rebuild. +# +# Rebuild logic (on push): +# - If ONLY files under tests/ or .github/ changed → skip image build, +# run tests immediately against the existing 'latest' image. +# - If ANY agent code changed (pkg/, cmd/, go.mod, Makefile, …) → rebuild +# the node-agent image first, then run tests against the freshly built image. +# +# Manual trigger (workflow_dispatch): +# - Use the `build_image` checkbox to force an image rebuild. +# - Supply NODE_AGENT_TAG / STORAGE_TAG to pin specific pre-built images. +# ============================================================================= + name: Node Agent Component Tests on: - pull_request: - types: [synchronize, ready_for_review, opened, reopened] + push: + branches: + - clean-main + workflow_dispatch: + inputs: + build_image: + description: 'Build and push a new container image for the test' + type: boolean + required: false + default: false + STORAGE_TAG: + description: 'Storage image tag (must match the tag built by storage/build)' + type: string + required: true + default: 'latest' + NODE_AGENT_TAG: + description: 'Node-agent image tag (must match the tag built by node-agent/build)' + type: string + required: true + default: 'latest' + STORAGE_REF: + description: 'Branch/tag/commit of k8sstormcenter/storage to use (leave empty to keep go.mod default)' + type: string + required: false + default: 'a042ebaa0ec9280d69eac81b5eeaa4d0dfd1c558' concurrency: group: ${{ github.workflow }}-${{ github.ref }} cancel-in-progress: true jobs: + # ------------------------------------------------------------------- + # Detect what changed to decide whether an image rebuild is needed. + # On push: compare HEAD with HEAD~1. + # On workflow_dispatch: always outputs false (rebuild controlled by input). + # ------------------------------------------------------------------- + detect-changes: + runs-on: ubuntu-latest + outputs: + needs_rebuild: ${{ steps.check.outputs.needs_rebuild }} + steps: + - name: Checkout code + uses: actions/checkout@v4 + with: + fetch-depth: 2 + + - name: Check for agent code changes + id: check + run: | + if [ "${{ github.event_name }}" != "push" ]; then + echo "Not a push event — rebuild decision deferred to workflow inputs" + echo "needs_rebuild=false" >> "$GITHUB_OUTPUT" + exit 0 + fi + + CHANGED=$(git diff --name-only HEAD~1 HEAD) + echo "=== Changed files ===" + echo "$CHANGED" + echo "" + + # Agent code = anything outside tests/ and .github/ + # These are the paths that end up in the node-agent container image. + AGENT_CHANGES=$(echo "$CHANGED" | grep -vE '^(tests/|\.github/)' || true) + + if [ -n "$AGENT_CHANGES" ]; then + echo "=== Agent code changed (rebuild needed) ===" + echo "$AGENT_CHANGES" + echo "needs_rebuild=true" >> "$GITHUB_OUTPUT" + else + echo "=== Only test/workflow files changed — no rebuild needed ===" + echo "needs_rebuild=false" >> "$GITHUB_OUTPUT" + fi + + # ------------------------------------------------------------------- + # Build and push the node-agent container image. + # Triggers when: + # - Manual dispatch with build_image=true, OR + # - Push event where agent code changed (detected above) + # ------------------------------------------------------------------- build-and-push-image: + needs: [detect-changes] + if: >- + (github.event_name == 'workflow_dispatch' && inputs.build_image == true) || + (needs.detect-changes.outputs.needs_rebuild == 'true') runs-on: ubuntu-latest + permissions: + contents: read + packages: write + id-token: write steps: - name: Checkout code uses: actions/checkout@v4 - - name: Login to Quay.io + - name: Login to GitHub Container Registry uses: docker/login-action@v3 with: - registry: quay.io/kubescape - username: ${{ secrets.QUAYIO_REGISTRY_USERNAME }} - password: ${{ secrets.QUAYIO_REGISTRY_PASSWORD }} + registry: ghcr.io + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} + - name: Install IG run: | sudo apt-get update @@ -28,23 +136,42 @@ jobs: echo "Installing IG version: ${IG_VERSION}" curl -sL https://github.com/inspektor-gadget/inspektor-gadget/releases/download/${IG_VERSION}/ig-linux-${IG_ARCH}-${IG_VERSION}.tar.gz | sudo tar -C /usr/local/bin -xzf - ig sudo chmod +x /usr/local/bin/ig - - name: Build the Image and Push to Quay.io + - name: Build the Image and Push to GHCR id: build-and-push-image run: | COMMIT_HASH=$(git rev-parse --short HEAD) export IMAGE_TAG=test-${COMMIT_HASH} - export IMAGE_REPO=quay.io/kubescape/node-agent + export IMAGE_REPO=ghcr.io/${{ github.repository_owner }}/node-agent echo "image_repo=${IMAGE_REPO}" >> "$GITHUB_OUTPUT" - export IMAGE_NAME=quay.io/kubescape/node-agent:${IMAGE_TAG} + export IMAGE_NAME=ghcr.io/${{ github.repository_owner }}/node-agent:${IMAGE_TAG} echo "image_tag=${IMAGE_TAG}" >> "$GITHUB_OUTPUT" make docker-build TAG=${IMAGE_TAG} IMAGE=${IMAGE_REPO} && make docker-push TAG=${IMAGE_TAG} IMAGE=${IMAGE_REPO} outputs: image_tag: ${{ steps.build-and-push-image.outputs.image_tag }} image_repo: ${{ steps.build-and-push-image.outputs.image_repo }} + # ------------------------------------------------------------------- + # Component tests. + # + # These are Go tests compiled from tests/component_test.go — they are + # NOT part of the node-agent container image. The test binary runs on + # the CI runner and talks to the Kind cluster via the k8s API. + # + # Dependency logic: + # - If build-and-push-image ran → waits for it, uses the freshly + # built image tag. + # - If build-and-push-image was skipped (tests-only change) → runs + # immediately with the default 'latest' image. + # - If build-and-push-image failed → tests do NOT run (no point + # testing against a stale image when code changed). + # ------------------------------------------------------------------- component-tests: + needs: [detect-changes, build-and-push-image] + # Run when build succeeded or was skipped; don't run if build failed. + if: >- + always() && !cancelled() && + (needs.build-and-push-image.result == 'success' || needs.build-and-push-image.result == 'skipped') runs-on: ubuntu-latest - needs: build-and-push-image continue-on-error: true strategy: matrix: @@ -71,7 +198,9 @@ jobs: Test_21_AlertOnPartialThenLearnNetworkTest, Test_22_AlertOnPartialNetworkProfileTest, Test_23_RuleCooldownTest, - Test_24_ProcessTreeDepthTest + Test_24_ProcessTreeDepthTest, + Test_27_ApplicationProfileOpens, + Test_28_UserDefinedNetworkNeighborhood ] steps: - name: Checkout code @@ -97,17 +226,39 @@ jobs: helm upgrade --install prometheus prometheus-community/kube-prometheus-stack --set grafana.enabled=false --namespace monitoring --create-namespace --set prometheus.prometheusSpec.podMonitorSelectorNilUsesHelmValues=false,prometheus.prometheusSpec.serviceMonitorSelectorNilUsesHelmValues=false --set prometheus.prometheusSpec.maximumStartupDurationSeconds=300 --wait --timeout 5m # Check that the prometheus pod is running kubectl wait --for=condition=Ready pod -l app.kubernetes.io/name=prometheus -n monitoring --timeout=300s + + # Image selection logic: + # - If the build job ran and produced a tag → use it. + # - Otherwise fall back to the workflow_dispatch input or 'latest'. - name: Install Node Agent Chart run: | - STORAGE_TAG=$(./tests/scripts/storage-tag.sh) - echo "Storage tag that will be used: ${STORAGE_TAG}" - helm upgrade --install kubescape ./tests/chart --set clusterName=`kubectl config current-context` --set nodeAgent.image.tag=${{ needs.build-and-push-image.outputs.image_tag }} --set nodeAgent.image.repository=${{ needs.build-and-push-image.outputs.image_repo }} --set storage.image.tag=${STORAGE_TAG} -n kubescape --create-namespace --wait --timeout 5m --debug + STORAGE_TAG="${{ inputs.STORAGE_TAG || 'latest' }}" + echo "Storage tag: ${STORAGE_TAG}" + + # Prefer freshly built image; fall back to input or default. + IMAGE_TAG="${{ needs.build-and-push-image.outputs.image_tag || inputs.NODE_AGENT_TAG || 'latest' }}" + IMAGE_REPO="${{ needs.build-and-push-image.outputs.image_repo || 'ghcr.io/k8sstormcenter/node-agent' }}" + echo "Node Agent image: ${IMAGE_REPO}:${IMAGE_TAG}" + + # Log whether we're using a freshly built image or a pre-existing one. + if [ -n "${{ needs.build-and-push-image.outputs.image_tag }}" ]; then + echo ">>> Using FRESHLY BUILT image from this workflow run" + else + echo ">>> Using PRE-EXISTING image (no agent code changes detected)" + fi + + helm upgrade --install kubescape ./tests/chart --set clusterName=`kubectl config current-context` --set nodeAgent.image.tag=${IMAGE_TAG} --set nodeAgent.image.repository=${IMAGE_REPO} --set storage.image.tag=${STORAGE_TAG} -n kubescape --create-namespace --wait --timeout 5m --debug # Check that the node-agent pod is running kubectl wait --for=condition=Ready pod -l app.kubernetes.io/name=node-agent -n kubescape --timeout=300s sleep 5 - name: Run Port Forwarding run: | ./tests/scripts/port-forward.sh + + # The test binary is compiled from source here — it is NOT part of + # the node-agent container image. Only changes under tests/ affect + # it; agent code changes (pkg/, cmd/, …) require an image rebuild + # but do NOT change the test binary. - name: Set up Go env: CGO_ENABLED: 0 @@ -117,6 +268,18 @@ jobs: - name: Set unlimited memlock limit run: | sudo sh -c "ulimit -l unlimited" + - name: Update storage dependency + #if: ${{ inputs.STORAGE_REF != '' && inputs.STORAGE_REF != 'latest' }} + env: + STORAGE_REF: ${{ inputs.STORAGE_REF || 'a042ebaa0ec9280d69eac81b5eeaa4d0dfd1c558' }} + GONOSUMCHECK: "*" + GOFLAGS: "" + run: | + echo "Replacing github.com/kubescape/storage with github.com/k8sstormcenter/storage@${STORAGE_REF}" + go mod edit -replace "github.com/kubescape/storage=github.com/k8sstormcenter/storage@${STORAGE_REF}" + go mod tidy + echo "Resolved storage version:" + grep "k8sstormcenter/storage" go.sum | head -1 - name: Run test run: | cd tests && go test -v ./... -run ${{ matrix.test }} --timeout=20m --tags=component @@ -128,3 +291,28 @@ jobs: echo "-----------------------------------------" echo "Storage logs" kubectl logs $(kubectl get pods -n kubescape -o name | grep storage) -n kubescape + + trigger-integration-tests: + needs: component-tests + if: >- + github.event_name == 'workflow_dispatch' && + inputs.STORAGE_TAG != '' && + inputs.NODE_AGENT_TAG != '' + runs-on: ubuntu-latest + steps: + - name: Trigger storage integration tests + env: + GH_TOKEN: ${{ secrets.CROSS_REPO_PAT }} + run: | + STORAGE_TAG="${{ inputs.STORAGE_TAG }}" + NODE_AGENT_TAG="${{ inputs.NODE_AGENT_TAG }}" + echo "Triggering storage integration tests" + echo " node_agent_image=ghcr.io/${{ github.repository_owner }}/node-agent:${NODE_AGENT_TAG}" + echo " storage_image=ghcr.io/${{ github.repository_owner }}/storage:${STORAGE_TAG}" + gh workflow run manual-integration-tests.yml \ + --repo "${{ github.repository_owner }}/storage" \ + --ref "${{ github.ref_name }}" \ + -f branch="${{ github.ref_name }}" \ + -f branch_helm_chart=main \ + -f node_agent_image="ghcr.io/${{ github.repository_owner }}/node-agent:${NODE_AGENT_TAG}" \ + -f storage_image="ghcr.io/${{ github.repository_owner }}/storage:${STORAGE_TAG}" diff --git a/.github/workflows/incluster-comp-pr-merged.yaml b/.github/workflows/incluster-comp-pr-merged.yaml index dcf1338c44..587337a663 100644 --- a/.github/workflows/incluster-comp-pr-merged.yaml +++ b/.github/workflows/incluster-comp-pr-merged.yaml @@ -109,12 +109,12 @@ jobs: id: unit-test run: go test -exec sudo -v ./... - - name: Login to Quay + - name: Login to GitHub Container Registry uses: docker/login-action@v3 with: - registry: quay.io - username: ${{ secrets.QUAYIO_REGISTRY_USERNAME }} - password: ${{ secrets.QUAYIO_REGISTRY_PASSWORD }} + registry: ghcr.io + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} - name: Build and push uses: docker/build-push-action@v6 @@ -349,12 +349,12 @@ jobs: - name: Set up Docker Buildx uses: docker/setup-buildx-action@v3 - - name: Login to Quay + - name: Login to GitHub Container Registry uses: docker/login-action@v3 with: - registry: quay.io - username: ${{ secrets.QUAYIO_REGISTRY_USERNAME }} - password: ${{ secrets.QUAYIO_REGISTRY_PASSWORD }} + registry: ghcr.io + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} - name: Docker retag run: | diff --git a/.github/workflows/pr-created.yaml b/.github/workflows/pr-created.yaml index 856fa2bc26..76ad4f3cbf 100644 --- a/.github/workflows/pr-created.yaml +++ b/.github/workflows/pr-created.yaml @@ -13,6 +13,10 @@ concurrency: jobs: pr-created: + permissions: + pull-requests: write + security-events: write + contents: read uses: ./.github/workflows/incluster-comp-pr-created.yaml with: GO_VERSION: "1.25" diff --git a/.github/workflows/pr-merged.yaml b/.github/workflows/pr-merged.yaml index ddeee9206c..1e98658f59 100644 --- a/.github/workflows/pr-merged.yaml +++ b/.github/workflows/pr-merged.yaml @@ -35,7 +35,7 @@ jobs: pull-requests: read uses: ./.github/workflows/incluster-comp-pr-merged.yaml with: - IMAGE_NAME: quay.io/${{ github.repository_owner }}/node-agent + IMAGE_NAME: ghcr.io/${{ github.repository_owner }}/node-agent IMAGE_TAG: v0.3.${{ needs.reset-run-number.outputs.run-number }} COMPONENT_NAME: nodeAgent CGO_ENABLED: 0 diff --git a/tests/resources/nginx-user-profile-deployment.yaml b/tests/resources/nginx-user-profile-deployment.yaml new file mode 100644 index 0000000000..218f956540 --- /dev/null +++ b/tests/resources/nginx-user-profile-deployment.yaml @@ -0,0 +1,22 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: nginx + name: nginx-deployment +spec: + selector: + matchLabels: + app: nginx + replicas: 1 + template: + metadata: + labels: + app: nginx + kubescape.io/user-defined-profile: nginx-regex-profile + spec: + containers: + - name: nginx + image: nginx:1.14.2 + ports: + - containerPort: 80 From 36ca7e99f5704406460e403818ddbadb3116e5d5 Mon Sep 17 00:00:00 2001 From: tanzee Date: Fri, 13 Mar 2026 16:08:09 +0100 Subject: [PATCH 03/31] pre-awp --- .github/workflows/component-tests.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/component-tests.yaml b/.github/workflows/component-tests.yaml index f835d43c13..012a095a60 100644 --- a/.github/workflows/component-tests.yaml +++ b/.github/workflows/component-tests.yaml @@ -30,7 +30,7 @@ name: Node Agent Component Tests on: push: branches: - - clean-main + - main workflow_dispatch: inputs: build_image: From 56eed19ef321219e2bbf0b1f2a89e82e694739f1 Mon Sep 17 00:00:00 2001 From: Duck <70207455+entlein@users.noreply.github.com> Date: Sat, 14 Mar 2026 19:53:40 +0100 Subject: [PATCH 04/31] Feat/signature verification with component tests (#21) * rebaseing the testimprovement branches * starting regression, FUN Signed-off-by: entlein * name mismatch - testing CI Signed-off-by: entlein * lost manifest during branch switch Signed-off-by: entlein * TEST 10: more verbose Signed-off-by: entlein * test 10 with more assertive asserts and xmr as benchmark Signed-off-by: entlein * the randomx tracer really doesnt trigger on certain kernels it seems, this is likely a longer story, but the tutorial is a 6.8 kernel and I need to make it work again * randomx: making it work on 6.1 * proposed randomx fix N2 * Signature: build sign tool Signed-off-by: entlein * revert the unsucessful randomx fix attempts * normal go build Signed-off-by: entlein * different go build Signed-off-by: entlein --------- Signed-off-by: entlein --- .github/workflows/component-tests.yaml | 7 +- .github/workflows/sign-object.yaml | 67 ++ cmd/main.go | 2 +- cmd/sign-object/Dockerfile | 20 + cmd/sign-object/main.go | 550 ++++++++++ go.mod | 180 ++-- go.sum | 519 ++++++--- pkg/config/config.go | 3 + pkg/ebpf/gadgets/randomx/program.bpf.c | 174 ++- .../applicationprofilecache.go | 72 ++ .../networkneighborhoodcache.go | 71 ++ pkg/rulemanager/ruleswatcher/watcher.go | 46 +- pkg/signature/annotations.go | 16 + pkg/signature/cluster_flow_test.go | 150 +++ pkg/signature/cluster_scenario_test.go | 88 ++ pkg/signature/cosign_adapter.go | 572 ++++++++++ pkg/signature/cosign_adapter_test.go | 143 +++ pkg/signature/interface.go | 63 ++ pkg/signature/profiles/adapter_test.go | 335 ++++++ .../profiles/applicationprofile_adapter.go | 81 ++ pkg/signature/profiles/empty_typemeta_test.go | 78 ++ .../profiles/networkneighborhood_adapter.go | 63 ++ .../networkneighborhood_adapter_test.go | 99 ++ pkg/signature/profiles/rules_adapter.go | 60 ++ pkg/signature/profiles/rules_adapter_test.go | 184 ++++ .../profiles/seccompprofile_adapter.go | 63 ++ pkg/signature/sign.go | 114 ++ pkg/signature/sign_test.go | 231 ++++ pkg/signature/signer.go | 20 + pkg/signature/verifier.go | 38 + pkg/signature/verify.go | 85 ++ pkg/signature/verify_test.go | 435 ++++++++ scripts/HOWTO.md | 104 ++ scripts/upstream-pr.sh | 91 ++ tests/component_test.go | 993 +++++++++++++++--- tests/resources/crypto-miner-deployment.yaml | 24 + tests/resources/curl-signed-deployment.yaml | 21 + tests/resources/debug-learn-nn.sh | 82 -- .../known-application-profile-wildcards.yaml | 155 --- .../resources/known-application-profile.yaml | 245 ----- .../nginx-both-user-defined-deployment.yaml | 23 - .../nginx-known-network-deployment.yaml | 21 - .../nginx-user-network-deployment.yaml | 22 - tests/resources/user-profile.yaml | 47 - 44 files changed, 5476 insertions(+), 981 deletions(-) create mode 100644 .github/workflows/sign-object.yaml create mode 100644 cmd/sign-object/Dockerfile create mode 100644 cmd/sign-object/main.go create mode 100644 pkg/signature/annotations.go create mode 100644 pkg/signature/cluster_flow_test.go create mode 100644 pkg/signature/cluster_scenario_test.go create mode 100644 pkg/signature/cosign_adapter.go create mode 100644 pkg/signature/cosign_adapter_test.go create mode 100644 pkg/signature/interface.go create mode 100644 pkg/signature/profiles/adapter_test.go create mode 100644 pkg/signature/profiles/applicationprofile_adapter.go create mode 100644 pkg/signature/profiles/empty_typemeta_test.go create mode 100644 pkg/signature/profiles/networkneighborhood_adapter.go create mode 100644 pkg/signature/profiles/networkneighborhood_adapter_test.go create mode 100644 pkg/signature/profiles/rules_adapter.go create mode 100644 pkg/signature/profiles/rules_adapter_test.go create mode 100644 pkg/signature/profiles/seccompprofile_adapter.go create mode 100644 pkg/signature/sign.go create mode 100644 pkg/signature/sign_test.go create mode 100644 pkg/signature/signer.go create mode 100644 pkg/signature/verifier.go create mode 100644 pkg/signature/verify.go create mode 100644 pkg/signature/verify_test.go create mode 100644 scripts/HOWTO.md create mode 100755 scripts/upstream-pr.sh create mode 100644 tests/resources/crypto-miner-deployment.yaml create mode 100644 tests/resources/curl-signed-deployment.yaml delete mode 100755 tests/resources/debug-learn-nn.sh delete mode 100644 tests/resources/known-application-profile-wildcards.yaml delete mode 100644 tests/resources/known-application-profile.yaml delete mode 100644 tests/resources/nginx-both-user-defined-deployment.yaml delete mode 100644 tests/resources/nginx-known-network-deployment.yaml delete mode 100644 tests/resources/nginx-user-network-deployment.yaml delete mode 100644 tests/resources/user-profile.yaml diff --git a/.github/workflows/component-tests.yaml b/.github/workflows/component-tests.yaml index 012a095a60..4703e1df73 100644 --- a/.github/workflows/component-tests.yaml +++ b/.github/workflows/component-tests.yaml @@ -30,7 +30,8 @@ name: Node Agent Component Tests on: push: branches: - - main + - feat/signature-verification + - feat/tamperalert workflow_dispatch: inputs: build_image: @@ -200,7 +201,9 @@ jobs: Test_23_RuleCooldownTest, Test_24_ProcessTreeDepthTest, Test_27_ApplicationProfileOpens, - Test_28_UserDefinedNetworkNeighborhood + Test_28_UserDefinedNetworkNeighborhood, + Test_29_SignedApplicationProfile, + Test_30_TamperedSignedProfiles ] steps: - name: Checkout code diff --git a/.github/workflows/sign-object.yaml b/.github/workflows/sign-object.yaml new file mode 100644 index 0000000000..9233c62347 --- /dev/null +++ b/.github/workflows/sign-object.yaml @@ -0,0 +1,67 @@ +name: Build sign-object image + +on: + push: + branches: [main, feat/signature-verification] + paths: + - 'cmd/sign-object/**' + - 'pkg/signature/**' + - 'pkg/signature/profiles/**' + - 'go.mod' + - 'go.sum' + pull_request: + paths: + - 'cmd/sign-object/**' + - 'pkg/signature/**' + - 'pkg/signature/profiles/**' + workflow_dispatch: + inputs: + IMAGE_TAG: + required: false + type: string + default: 'latest' + description: 'Image tag for the sign-object image' + +permissions: + packages: write + contents: read + +env: + REGISTRY: ghcr.io + IMAGE_NAME: ${{ github.repository_owner }}/sign-object + +jobs: + build-and-push: + runs-on: ubuntu-latest + steps: + - uses: actions/checkout@v4 + + - name: Set image tag + id: tag + run: | + if [ "${{ github.event_name }}" = "workflow_dispatch" ] && [ -n "${{ inputs.IMAGE_TAG }}" ]; then + echo "tag=${{ inputs.IMAGE_TAG }}" >> "$GITHUB_OUTPUT" + elif [ "${{ github.event_name }}" = "pull_request" ]; then + echo "tag=pr-${{ github.event.number }}" >> "$GITHUB_OUTPUT" + else + echo "tag=latest" >> "$GITHUB_OUTPUT" + fi + + - uses: docker/setup-buildx-action@v3 + + - uses: docker/login-action@v3 + if: github.event_name != 'pull_request' + with: + registry: ${{ env.REGISTRY }} + username: ${{ github.actor }} + password: ${{ secrets.GITHUB_TOKEN }} + + - uses: docker/build-push-action@v6 + with: + context: . + file: cmd/sign-object/Dockerfile + tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.tag.outputs.tag }} + platforms: linux/amd64,linux/arm64 + cache-from: type=gha + cache-to: type=gha,mode=max + push: ${{ github.event_name != 'pull_request' }} diff --git a/cmd/main.go b/cmd/main.go index 7960ed3dd6..7a5f850a1e 100644 --- a/cmd/main.go +++ b/cmd/main.go @@ -226,7 +226,7 @@ func main() { ruleBindingCache = rulebindingcachev1.NewCache(cfg, k8sClient, ruleCreator) rulesWatcher := ruleswatcher.NewRulesWatcher(k8sClient, ruleCreator, func() { ruleBindingCache.RefreshRuleBindingsRules() - }) + }, &cfg) dWatcher.AddAdaptor(rulesWatcher) } diff --git a/cmd/sign-object/Dockerfile b/cmd/sign-object/Dockerfile new file mode 100644 index 0000000000..0f4284c473 --- /dev/null +++ b/cmd/sign-object/Dockerfile @@ -0,0 +1,20 @@ +FROM --platform=$BUILDPLATFORM golang:1.25-trixie AS builder + +ENV GO111MODULE=on CGO_ENABLED=0 +WORKDIR /src +ARG TARGETOS TARGETARCH + +COPY go.mod go.sum ./ +RUN --mount=type=cache,target=/root/.cache/go-build \ + --mount=type=cache,target=/go/pkg \ + go mod download + +COPY . . +RUN --mount=type=cache,target=/root/.cache/go-build \ + --mount=type=cache,target=/go/pkg \ + GOOS=$TARGETOS GOARCH=$TARGETARCH go build -o /sign-object ./cmd/sign-object + +FROM gcr.io/distroless/static-debian13:latest +COPY --from=builder /sign-object /usr/local/bin/sign-object +WORKDIR /work +ENTRYPOINT ["sign-object"] diff --git a/cmd/sign-object/main.go b/cmd/sign-object/main.go new file mode 100644 index 0000000000..c803320b3c --- /dev/null +++ b/cmd/sign-object/main.go @@ -0,0 +1,550 @@ +package main + +import ( + "crypto/x509" + "encoding/base64" + "encoding/json" + "encoding/pem" + "flag" + "fmt" + "os" + "strings" + + k8syaml "k8s.io/apimachinery/pkg/util/yaml" + + rulemanagertypesv1 "github.com/kubescape/node-agent/pkg/rulemanager/types/v1" + "github.com/kubescape/node-agent/pkg/signature" + "github.com/kubescape/node-agent/pkg/signature/profiles" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + sigsyaml "sigs.k8s.io/yaml" +) + +var ( + inputFile string + outputFile string + keyFile string + objectType string + useKeyless bool + verbose bool + strict bool + jsonOutput bool + publicOnly bool + command string +) + +func main() { + if len(os.Args) < 2 { + printUsage() + os.Exit(1) + } + + command = os.Args[1] + + argsRewritten := false + if command == "-h" || command == "--help" { + printUsage() + os.Exit(0) + } + if strings.HasPrefix(command, "-") { + command = "sign" + argsRewritten = true + } + + switch command { + case "sign", "": + parseSignFlags() + if argsRewritten { + os.Args = append([]string{"sign-object"}, os.Args[1:]...) + } + case "verify": + parseVerifyFlags() + os.Args = append([]string{"sign-object verify"}, os.Args[2:]...) + case "generate-keypair": + parseGenerateFlags() + os.Args = append([]string{"sign-object generate-keypair"}, os.Args[2:]...) + case "extract-signature": + parseExtractFlags() + os.Args = append([]string{"sign-object extract-signature"}, os.Args[2:]...) + case "help", "--help", "-h": + printUsage() + os.Exit(0) + default: + fmt.Fprintf(os.Stderr, "Unknown command: %s\n", command) + printUsage() + os.Exit(1) + } + + if err := runCommand(); err != nil { + fmt.Fprintf(os.Stderr, "Error: %v\n", err) + os.Exit(1) + } +} + +func parseSignFlags() { + fs := flag.NewFlagSet("sign-object sign", flag.ExitOnError) + fs.StringVar(&inputFile, "file", "", "Input object YAML file (required)") + fs.StringVar(&outputFile, "output", "", "Output file for signed object (required)") + fs.StringVar(&keyFile, "key", "", "Path to private key file") + fs.StringVar(&objectType, "type", "auto", "Object type: applicationprofile, seccompprofile, networkneighborhood, rules, or auto") + fs.BoolVar(&useKeyless, "keyless", false, "Use keyless signing (OIDC)") + fs.BoolVar(&verbose, "verbose", false, "Enable verbose logging") + + offset := 2 + if len(os.Args) > 1 && strings.HasPrefix(os.Args[1], "-") { + offset = 1 + } + + if err := fs.Parse(os.Args[offset:]); err != nil { + fmt.Fprintf(os.Stderr, "Error parsing flags: %v\n", err) + os.Exit(1) + } + + if inputFile == "" { + fmt.Fprintln(os.Stderr, "Error: --file is required") + fs.PrintDefaults() + os.Exit(1) + } + + if outputFile == "" { + fmt.Fprintln(os.Stderr, "Error: --output is required") + fs.PrintDefaults() + os.Exit(1) + } + + if !useKeyless && keyFile == "" { + fmt.Fprintln(os.Stderr, "Error: either --keyless or --key must be specified") + fs.PrintDefaults() + os.Exit(1) + } +} + +func parseVerifyFlags() { + fs := flag.NewFlagSet("sign-object verify", flag.ExitOnError) + fs.StringVar(&inputFile, "file", "", "Signed object YAML file (required)") + fs.StringVar(&objectType, "type", "auto", "Object type: applicationprofile, seccompprofile, networkneighborhood, rules, or auto") + fs.BoolVar(&strict, "strict", true, "Require trusted issuer/identity") + fs.BoolVar(&verbose, "verbose", false, "Enable verbose logging") + + if err := fs.Parse(os.Args[2:]); err != nil { + fmt.Fprintf(os.Stderr, "Error parsing flags: %v\n", err) + os.Exit(1) + } + + if inputFile == "" { + fmt.Fprintln(os.Stderr, "Error: --file is required") + fs.PrintDefaults() + os.Exit(1) + } +} + +func parseGenerateFlags() { + fs := flag.NewFlagSet("sign-object generate-keypair", flag.ExitOnError) + fs.StringVar(&outputFile, "output", "", "Output PEM file") + fs.BoolVar(&publicOnly, "public-only", false, "Only output public key") + + if err := fs.Parse(os.Args[2:]); err != nil { + fmt.Fprintf(os.Stderr, "Error parsing flags: %v\n", err) + os.Exit(1) + } + + if outputFile == "" { + fmt.Fprintln(os.Stderr, "Error: --output is required") + fs.PrintDefaults() + os.Exit(1) + } +} + +func parseExtractFlags() { + fs := flag.NewFlagSet("sign-object extract-signature", flag.ExitOnError) + fs.StringVar(&inputFile, "file", "", "Signed object YAML file (required)") + fs.StringVar(&objectType, "type", "auto", "Object type: applicationprofile, seccompprofile, networkneighborhood, rules, or auto") + fs.BoolVar(&jsonOutput, "json", false, "Output as JSON") + + if err := fs.Parse(os.Args[2:]); err != nil { + fmt.Fprintf(os.Stderr, "Error parsing flags: %v\n", err) + os.Exit(1) + } + + if inputFile == "" { + fmt.Fprintln(os.Stderr, "Error: --file is required") + fs.PrintDefaults() + os.Exit(1) + } +} + +func runCommand() error { + switch command { + case "sign", "": + return runSign() + case "verify": + return runVerify() + case "generate-keypair": + return runGenerateKeyPair() + case "extract-signature": + return runExtractSignature() + default: + return fmt.Errorf("unknown command: %s", command) + } +} + +func runSign() error { + data, err := os.ReadFile(inputFile) + if err != nil { + return fmt.Errorf("failed to read input file: %w", err) + } + + if verbose { + fmt.Printf("Reading profile from: %s\n", inputFile) + fmt.Printf("Profile size: %d bytes\n", len(data)) + } + + profileAdapter, err := detectObjectType(objectType, data) + if err != nil { + return fmt.Errorf("failed to detect profile type: %w", err) + } + + if verbose { + fmt.Printf("Detected object type: %s\n", getObjectName(profileAdapter)) + } + + var signErr error + if useKeyless { + if verbose { + fmt.Println("Using keyless signing (OIDC)") + } + signErr = signature.SignObjectKeyless(profileAdapter) + } else { + if verbose { + fmt.Printf("Using local key from: %s\n", keyFile) + } + + keyData, err := os.ReadFile(keyFile) + if err != nil { + return fmt.Errorf("failed to read private key file: %w", err) + } + + block, _ := pem.Decode(keyData) + if block == nil { + return fmt.Errorf("failed to decode PEM block from key file") + } + + privateKey, err := x509.ParseECPrivateKey(block.Bytes) + if err != nil { + return fmt.Errorf("failed to parse EC private key: %w", err) + } + + signErr = signature.SignObject(profileAdapter, signature.WithPrivateKey(privateKey)) + } + + if signErr != nil { + return fmt.Errorf("failed to sign profile: %w", signErr) + } + + sig, err := signature.GetObjectSignature(profileAdapter) + if err != nil { + return fmt.Errorf("failed to get signature: %w", err) + } + + fmt.Printf("✓ Profile signed successfully\n") + fmt.Printf(" Issuer: %s\n", sig.Issuer) + fmt.Printf(" Identity: %s\n", sig.Identity) + fmt.Printf(" Timestamp: %d\n", sig.Timestamp) + + profileBytes, err := sigsyaml.Marshal(profileAdapter.GetUpdatedObject()) + if err != nil { + return fmt.Errorf("failed to marshal signed object: %w", err) + } + + if err := os.WriteFile(outputFile, profileBytes, 0644); err != nil { + return fmt.Errorf("failed to write output file: %w", err) + } + + fmt.Printf("✓ Signed profile written to: %s\n", outputFile) + return nil +} + +func runVerify() error { + data, err := os.ReadFile(inputFile) + if err != nil { + return fmt.Errorf("failed to read file: %w", err) + } + + if verbose { + fmt.Printf("Reading profile from: %s\n", inputFile) + } + + profileAdapter, err := detectObjectType(objectType, data) + if err != nil { + return fmt.Errorf("failed to detect profile type: %w", err) + } + + sig, err := signature.GetObjectSignature(profileAdapter) + if err != nil { + return fmt.Errorf("profile is not signed: %w", err) + } + + fmt.Printf("Signature found:\n") + fmt.Printf(" Issuer: %s\n", sig.Issuer) + fmt.Printf(" Identity: %s\n", sig.Identity) + fmt.Printf(" Timestamp: %d\n", sig.Timestamp) + + var verifyErr error + if strict { + if verbose { + fmt.Println("Verifying with strict mode (keyless signatures must have issuer/identity)") + } + verifyErr = signature.VerifyObjectStrict(profileAdapter) + } else { + if verbose { + fmt.Println("Verifying in non-strict mode (allowing untrusted signatures)") + } + verifyErr = signature.VerifyObjectAllowUntrusted(profileAdapter) + } + + if verifyErr != nil { + return fmt.Errorf("signature verification failed: %w", verifyErr) + } + + fmt.Printf("✓ Signature verification successful\n") + return nil +} + +func runGenerateKeyPair() error { + adapter, err := signature.NewCosignAdapter(false) + if err != nil { + return fmt.Errorf("failed to create adapter: %w", err) + } + + pubKeyBytes, err := adapter.GetPublicKeyPEM() + if err != nil { + return fmt.Errorf("failed to get public key: %w", err) + } + + if publicOnly { + if err := os.WriteFile(outputFile, pubKeyBytes, 0644); err != nil { + return fmt.Errorf("failed to write public key file: %w", err) + } + + fmt.Printf("✓ Public key written to: %s\n", outputFile) + return nil + } + + privKeyBytes, err := adapter.GetPrivateKeyPEM() + if err != nil { + return fmt.Errorf("failed to get private key: %w", err) + } + + if err := os.WriteFile(outputFile, privKeyBytes, 0600); err != nil { + return fmt.Errorf("failed to write private key file: %w", err) + } + + pubKeyFile := outputFile + ".pub" + if err := os.WriteFile(pubKeyFile, pubKeyBytes, 0644); err != nil { + return fmt.Errorf("failed to write public key file: %w", err) + } + + fmt.Printf("✓ Private key written to: %s\n", outputFile) + fmt.Printf("✓ Public key written to: %s\n", pubKeyFile) + return nil +} + +func runExtractSignature() error { + data, err := os.ReadFile(inputFile) + if err != nil { + return fmt.Errorf("failed to read file: %w", err) + } + + profileAdapter, err := detectObjectType(objectType, data) + if err != nil { + return fmt.Errorf("failed to detect profile type: %w", err) + } + + sig, err := signature.GetObjectSignature(profileAdapter) + if err != nil { + return fmt.Errorf("profile is not signed: %w", err) + } + + sigInfo := map[string]interface{}{ + "signature_size": len(sig.Signature), + "certificate_size": len(sig.Certificate), + "issuer": sig.Issuer, + "identity": sig.Identity, + "timestamp": sig.Timestamp, + "signature_base64": base64.StdEncoding.EncodeToString(sig.Signature), + "certificate_base64": base64.StdEncoding.EncodeToString(sig.Certificate), + } + + if jsonOutput { + jsonData, err := json.MarshalIndent(sigInfo, "", " ") + if err != nil { + return fmt.Errorf("failed to marshal JSON: %w", err) + } + fmt.Println(string(jsonData)) + } else { + fmt.Println("Signature Information:") + fmt.Printf(" Issuer: %s\n", sig.Issuer) + fmt.Printf(" Identity: %s\n", sig.Identity) + fmt.Printf(" Timestamp: %d\n", sig.Timestamp) + fmt.Printf(" Signature Size: %d bytes\n", len(sig.Signature)) + fmt.Printf(" Certificate Size: %d bytes\n", len(sig.Certificate)) + + block, _ := pem.Decode(sig.Certificate) + if block != nil { + fmt.Printf(" Certificate Type: %s\n", block.Type) + } + } + + return nil +} + +func detectObjectType(objectType string, data []byte) (signature.SignableObject, error) { + var decoded map[string]interface{} + if err := k8syaml.Unmarshal(data, &decoded); err != nil { + return nil, fmt.Errorf("failed to unmarshal YAML: %w", err) + } + + kind, _ := decoded["kind"].(string) + apiVersion, _ := decoded["apiVersion"].(string) + + if verbose { + fmt.Printf("Detected API: %s, Kind: %s\n", apiVersion, kind) + } + + if objectType != "auto" { + switch strings.ToLower(objectType) { + case "applicationprofile", "application-profile", "ap": + return loadApplicationProfile(data) + case "seccompprofile", "seccomp-profile", "sp": + return loadSeccompProfile(data) + case "networkneighborhood", "network-neighborhood", "nn": + return loadNetworkNeighborhood(data) + case "rules", "rule", "r": + return loadRules(data) + default: + return nil, fmt.Errorf("unknown object type: %s", objectType) + } + } + + if strings.Contains(strings.ToLower(apiVersion), "softwarecomposition") { + switch strings.ToLower(kind) { + case "applicationprofile", "application-profile": + return loadApplicationProfile(data) + case "seccompprofile", "seccomp-profile": + return loadSeccompProfile(data) + case "networkneighborhood", "network-neighborhood": + return loadNetworkNeighborhood(data) + } + } + + if strings.Contains(strings.ToLower(apiVersion), "kubescape.io") && strings.ToLower(kind) == "rules" { + return loadRules(data) + } + + return nil, fmt.Errorf("unable to auto-detect object type") +} + +func loadApplicationProfile(data []byte) (signature.SignableObject, error) { + var profile v1beta1.ApplicationProfile + if err := k8syaml.Unmarshal(data, &profile); err != nil { + return nil, fmt.Errorf("failed to unmarshal ApplicationProfile: %w", err) + } + return profiles.NewApplicationProfileAdapter(&profile), nil +} + +func loadSeccompProfile(data []byte) (signature.SignableObject, error) { + var profile v1beta1.SeccompProfile + if err := k8syaml.Unmarshal(data, &profile); err != nil { + return nil, fmt.Errorf("failed to unmarshal SeccompProfile: %w", err) + } + return profiles.NewSeccompProfileAdapter(&profile), nil +} + +func loadNetworkNeighborhood(data []byte) (signature.SignableObject, error) { + var nn v1beta1.NetworkNeighborhood + if err := k8syaml.Unmarshal(data, &nn); err != nil { + return nil, fmt.Errorf("failed to unmarshal NetworkNeighborhood: %w", err) + } + return profiles.NewNetworkNeighborhoodAdapter(&nn), nil +} + +func loadRules(data []byte) (signature.SignableObject, error) { + var rules rulemanagertypesv1.Rules + if err := k8syaml.Unmarshal(data, &rules); err != nil { + return nil, fmt.Errorf("failed to unmarshal Rules: %w", err) + } + return profiles.NewRulesAdapter(&rules), nil +} + +func getObjectName(profile signature.SignableObject) string { + if _, ok := profile.(*profiles.ApplicationProfileAdapter); ok { + return "ApplicationProfile" + } + if _, ok := profile.(*profiles.SeccompProfileAdapter); ok { + return "SeccompProfile" + } + if _, ok := profile.(*profiles.NetworkNeighborhoodAdapter); ok { + return "NetworkNeighborhood" + } + if _, ok := profile.(*profiles.RulesAdapter); ok { + return "Rules" + } + return "Unknown" +} + +func printUsage() { + fmt.Println(`sign-object - Sign and verify Kubernetes security objects + +USAGE: + sign-object [flags] + +COMMANDS: + sign Sign a profile (default command) + verify Verify a signed object + generate-keypair Generate a new ECDSA key pair + extract-signature Extract signature info from a profile + help Show this help message + +SIGN FLAGS: + --file Input object YAML file (required) + --output Output file for signed object (required) + --keyless Use keyless signing (OIDC) + --key Path to private key file + --type Object type: applicationprofile, seccompprofile, networkneighborhood, rules, or auto (default: auto) + --verbose Enable verbose logging + +VERIFY FLAGS: + --file Signed object YAML file (required) + --type Object type: applicationprofile, seccompprofile, networkneighborhood, rules, or auto (default: auto) + --strict Require trusted issuer/identity (default: true) + --verbose Enable verbose logging + +GENERATE-KEYPAIR FLAGS: + --output Output PEM file for private key (required) + --public-only Only output public key (no private key) + +EXTRACT-SIGNATURE FLAGS: + --file Signed object YAML file (required) + --type Object type: applicationprofile, seccompprofile, networkneighborhood, rules, or auto (default: auto) + --json Output as JSON + +EXAMPLES: + # Sign with keyless (OIDC) + sign-object --keyless --file object.yaml --output signed-object.yaml + + # Sign with local key + sign-object --key my-key.pem --file object.yaml --output signed-object.yaml + + # Verify a signed object + sign-object verify --file signed-object.yaml + + # Generate a key pair (writes my-key.pem and my-key.pem.pub) + sign-object generate-keypair --output my-key.pem + + # Generate only public key + sign-object generate-keypair --output my-key.pem --public-only + + # Extract signature information + sign-object extract-signature --file signed-object.yaml + +For more information, see: docs/signing/README.md`) +} diff --git a/go.mod b/go.mod index 14a8bd0385..bd650d52d8 100644 --- a/go.mod +++ b/go.mod @@ -1,6 +1,6 @@ module github.com/kubescape/node-agent -go 1.25.0 +go 1.25.5 require ( github.com/DmitriyVTitov/size v1.5.0 @@ -21,7 +21,8 @@ require ( github.com/dustin/go-humanize v1.0.1 github.com/dutchcoders/go-clamd v0.0.0-20170520113014-b970184f4d9e github.com/facette/natsort v0.0.0-20181210072756-2cd4dd1e2dcb - github.com/go-openapi/strfmt v0.23.0 + github.com/go-openapi/strfmt v0.26.0 + github.com/golang-jwt/jwt/v5 v5.3.0 github.com/google/cel-go v0.26.1 github.com/google/go-containerregistry v0.20.7 github.com/google/uuid v1.6.0 @@ -46,21 +47,25 @@ require ( github.com/prometheus/alertmanager v0.27.0 github.com/prometheus/client_golang v1.23.2 github.com/prometheus/procfs v0.19.2 - github.com/sirupsen/logrus v1.9.4-0.20230606125235-dd1b4c2e81af + github.com/sigstore/cosign/v3 v3.0.5 + github.com/sigstore/fulcio v1.8.5 + github.com/sigstore/rekor v1.5.1 + github.com/sigstore/sigstore v1.10.4 + github.com/sirupsen/logrus v1.9.4 github.com/spf13/afero v1.15.0 github.com/spf13/viper v1.21.0 github.com/stretchr/testify v1.11.1 github.com/weaveworks/procspy v0.0.0-20150706124340-cb970aa190c3 go.uber.org/multierr v1.11.0 - golang.org/x/net v0.48.0 - golang.org/x/sys v0.40.0 + golang.org/x/net v0.50.0 + golang.org/x/sys v0.41.0 gonum.org/v1/plot v0.14.0 - google.golang.org/grpc v1.77.0 + google.golang.org/grpc v1.79.2 gopkg.in/mcuadros/go-syslog.v2 v2.3.0 istio.io/pkg v0.0.0-20231221211216-7635388a563e - k8s.io/api v0.35.0 - k8s.io/apimachinery v0.35.0 - k8s.io/client-go v0.35.0 + k8s.io/api v0.35.1 + k8s.io/apimachinery v0.35.1 + k8s.io/client-go v0.35.1 k8s.io/cri-api v0.35.0 k8s.io/kubectl v0.34.1 k8s.io/utils v0.0.0-20251002143259-bc988d571ff4 @@ -70,14 +75,14 @@ require ( ) require ( - cel.dev/expr v0.24.0 // indirect - cloud.google.com/go v0.121.3 // indirect - cloud.google.com/go/auth v0.16.2 // indirect + cel.dev/expr v0.25.1 // indirect + cloud.google.com/go v0.123.0 // indirect + cloud.google.com/go/auth v0.18.2 // indirect cloud.google.com/go/auth/oauth2adapt v0.2.8 // indirect cloud.google.com/go/compute/metadata v0.9.0 // indirect - cloud.google.com/go/iam v1.5.2 // indirect - cloud.google.com/go/monitoring v1.24.2 // indirect - cloud.google.com/go/storage v1.55.0 // indirect + cloud.google.com/go/iam v1.5.3 // indirect + cloud.google.com/go/monitoring v1.24.3 // indirect + cloud.google.com/go/storage v1.59.1 // indirect cyphar.com/go-pathrs v0.2.1 // indirect dario.cat/mergo v1.0.2 // indirect git.sr.ht/~sbinet/gg v0.5.0 // indirect @@ -89,8 +94,8 @@ require ( github.com/CycloneDX/cyclonedx-go v0.9.2 // indirect github.com/DataDog/zstd v1.5.7 // indirect github.com/GoogleCloudPlatform/opentelemetry-operations-go/detectors/gcp v1.30.0 // indirect - github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.53.0 // indirect - github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.53.0 // indirect + github.com/GoogleCloudPlatform/opentelemetry-operations-go/exporter/metric v0.54.0 // indirect + github.com/GoogleCloudPlatform/opentelemetry-operations-go/internal/resourcemapping v0.54.0 // indirect github.com/Masterminds/goutils v1.1.1 // indirect github.com/Masterminds/sprig/v3 v3.3.0 // indirect github.com/Microsoft/go-winio v0.6.2 // indirect @@ -125,7 +130,7 @@ require ( github.com/armosec/gojay v1.2.17 // indirect github.com/armosec/utils-go v0.0.58 // indirect github.com/asaskevich/govalidator v0.0.0-20230301143203-a9d515a09cc2 // indirect - github.com/aws/aws-sdk-go v1.55.7 // indirect + github.com/aws/aws-sdk-go v1.55.8 // indirect github.com/aws/aws-sdk-go-v2 v1.41.1 // indirect github.com/aws/aws-sdk-go-v2/config v1.32.7 // indirect github.com/aws/aws-sdk-go-v2/credentials v1.19.7 // indirect @@ -154,6 +159,10 @@ require ( github.com/bodgit/sevenzip v1.6.1 // indirect github.com/bodgit/windows v1.0.1 // indirect github.com/briandowns/spinner v1.23.2 // indirect + github.com/buildkite/agent/v3 v3.115.4 // indirect + github.com/buildkite/go-pipeline v0.16.0 // indirect + github.com/buildkite/interpolate v0.1.5 // indirect + github.com/buildkite/roko v1.4.0 // indirect github.com/campoy/embedmd v1.0.0 // indirect github.com/cespare/xxhash/v2 v2.3.0 // indirect github.com/charmbracelet/colorprofile v0.3.1 // indirect @@ -164,7 +173,7 @@ require ( github.com/cilium/cilium v1.16.17 // indirect github.com/cloudflare/cbpfc v0.0.0-20240920015331-ff978e94500b // indirect github.com/cloudflare/circl v1.6.1 // indirect - github.com/cncf/xds/go v0.0.0-20251022180443-0feb69152e9f // indirect + github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5 // indirect github.com/containerd/cgroups/v3 v3.0.5 // indirect github.com/containerd/containerd v1.7.30 // indirect github.com/containerd/containerd/api v1.9.0 // indirect @@ -181,23 +190,26 @@ require ( github.com/containers/common v0.64.2 // indirect github.com/coreos/go-oidc/v3 v3.17.0 // indirect github.com/coreos/go-systemd/v22 v22.6.0 // indirect + github.com/cyberphone/json-canonicalization v0.0.0-20241213102144-19d51d7fe467 // indirect github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect github.com/deitch/magic v0.0.0-20240306090643-c67ab88f10cb // indirect + github.com/digitorus/pkcs7 v0.0.0-20230818184609-3a137a874352 // indirect + github.com/digitorus/timestamp v0.0.0-20231217203849-220c5c2851b7 // indirect github.com/diskfs/go-diskfs v1.7.0 // indirect github.com/distribution/reference v0.6.0 // indirect github.com/docker/cli v29.1.3+incompatible // indirect github.com/docker/distribution v2.8.3+incompatible // indirect github.com/docker/docker v28.5.2+incompatible // indirect - github.com/docker/docker-credential-helpers v0.9.3 // indirect + github.com/docker/docker-credential-helpers v0.9.4 // indirect github.com/docker/go-connections v0.6.0 // indirect github.com/docker/go-events v0.0.0-20250114142523-c867878c5e32 // indirect github.com/docker/go-units v0.5.0 // indirect github.com/dsnet/compress v0.0.2-0.20230904184137-39efe44ab707 // indirect github.com/elliotchance/phpserialize v1.4.0 // indirect - github.com/emicklei/go-restful/v3 v3.12.2 // indirect + github.com/emicklei/go-restful/v3 v3.13.0 // indirect github.com/emirpasic/gods v1.18.1 // indirect - github.com/envoyproxy/go-control-plane/envoy v1.35.0 // indirect - github.com/envoyproxy/protoc-gen-validate v1.2.1 // indirect + github.com/envoyproxy/go-control-plane/envoy v1.36.0 // indirect + github.com/envoyproxy/protoc-gen-validate v1.3.0 // indirect github.com/facebookincubator/nvdtools v0.1.5 // indirect github.com/fatih/color v1.18.0 // indirect github.com/felixge/fgprof v0.9.5 // indirect @@ -206,10 +218,11 @@ require ( github.com/francoispqt/gojay v1.2.13 // indirect github.com/fsnotify/fsnotify v1.9.0 // indirect github.com/fxamacker/cbor/v2 v2.9.0 // indirect - github.com/gabriel-vasile/mimetype v1.4.10 // indirect + github.com/gabriel-vasile/mimetype v1.4.11 // indirect github.com/gammazero/deque v1.0.0 // indirect github.com/github/go-spdx/v2 v2.3.3 // indirect github.com/go-asn1-ber/asn1-ber v1.5.7 // indirect + github.com/go-chi/chi/v5 v5.2.5 // indirect github.com/go-errors/errors v1.5.1 // indirect github.com/go-fonts/liberation v0.3.2 // indirect github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect @@ -220,18 +233,29 @@ require ( github.com/go-ldap/ldap/v3 v3.4.10 // indirect github.com/go-logr/logr v1.4.3 // indirect github.com/go-logr/stdr v1.2.2 // indirect - github.com/go-openapi/analysis v0.23.0 // indirect - github.com/go-openapi/errors v0.22.2 // indirect - github.com/go-openapi/jsonpointer v0.21.2 // indirect - github.com/go-openapi/jsonreference v0.21.0 // indirect - github.com/go-openapi/loads v0.22.0 // indirect - github.com/go-openapi/runtime v0.28.0 // indirect - github.com/go-openapi/spec v0.21.0 // indirect - github.com/go-openapi/swag v0.23.1 // indirect - github.com/go-openapi/validate v0.24.0 // indirect + github.com/go-openapi/analysis v0.24.3 // indirect + github.com/go-openapi/errors v0.22.7 // indirect + github.com/go-openapi/jsonpointer v0.22.5 // indirect + github.com/go-openapi/jsonreference v0.21.5 // indirect + github.com/go-openapi/loads v0.23.3 // indirect + github.com/go-openapi/runtime v0.29.3 // indirect + github.com/go-openapi/spec v0.22.4 // indirect + github.com/go-openapi/swag v0.25.5 // indirect + github.com/go-openapi/swag/cmdutils v0.25.5 // indirect + github.com/go-openapi/swag/conv v0.25.5 // indirect + github.com/go-openapi/swag/fileutils v0.25.5 // indirect + github.com/go-openapi/swag/jsonname v0.25.5 // indirect + github.com/go-openapi/swag/jsonutils v0.25.5 // indirect + github.com/go-openapi/swag/loading v0.25.5 // indirect + github.com/go-openapi/swag/mangling v0.25.5 // indirect + github.com/go-openapi/swag/netutils v0.25.5 // indirect + github.com/go-openapi/swag/stringutils v0.25.5 // indirect + github.com/go-openapi/swag/typeutils v0.25.5 // indirect + github.com/go-openapi/swag/yamlutils v0.25.5 // indirect + github.com/go-openapi/validate v0.25.2 // indirect github.com/go-pdf/fpdf v0.9.0 // indirect github.com/go-restruct/restruct v1.2.0-alpha // indirect - github.com/go-viper/mapstructure/v2 v2.4.0 // indirect + github.com/go-viper/mapstructure/v2 v2.5.0 // indirect github.com/goccy/go-yaml v1.18.0 // indirect github.com/godbus/dbus/v5 v5.2.0 // indirect github.com/gofrs/flock v0.13.0 // indirect @@ -242,43 +266,47 @@ require ( github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect github.com/golang/snappy v1.0.0 // indirect github.com/google/btree v1.1.3 // indirect + github.com/google/certificate-transparency-go v1.3.2 // indirect github.com/google/gnostic-models v0.7.0 // indirect github.com/google/go-cmp v0.7.0 // indirect + github.com/google/go-querystring v1.2.0 // indirect github.com/google/licensecheck v0.3.1 // indirect github.com/google/pprof v0.0.0-20250630185457-6e76a2b096b5 // indirect github.com/google/s2a-go v0.1.9 // indirect - github.com/googleapis/enterprise-certificate-proxy v0.3.6 // indirect - github.com/googleapis/gax-go/v2 v2.15.0 // indirect + github.com/googleapis/enterprise-certificate-proxy v0.3.12 // indirect + github.com/googleapis/gax-go/v2 v2.17.0 // indirect github.com/gookit/color v1.6.0 // indirect github.com/gorilla/websocket v1.5.4-0.20250319132907-e064f32e3674 // indirect github.com/grafana/pyroscope-go/godeltaprof v0.1.8 // indirect github.com/gregjones/httpcache v0.0.0-20190611155906-901d90724c79 // indirect - github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3 // indirect + github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.5 // indirect github.com/hashicorp/errwrap v1.1.0 // indirect github.com/hashicorp/go-cleanhttp v0.5.2 // indirect github.com/hashicorp/go-getter v1.7.9 // indirect github.com/hashicorp/go-multierror v1.1.1 // indirect + github.com/hashicorp/go-retryablehttp v0.7.8 // indirect github.com/hashicorp/go-safetemp v1.0.0 // indirect github.com/hashicorp/go-version v1.7.0 // indirect github.com/hashicorp/hcl/v2 v2.24.0 // indirect github.com/huandu/xstrings v1.5.0 // indirect github.com/iancoleman/strcase v0.3.0 // indirect + github.com/in-toto/attestation v1.1.2 // indirect github.com/in-toto/in-toto-golang v0.9.0 // indirect github.com/inconshreveable/mousetrap v1.1.0 // indirect github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect + github.com/jedisct1/go-minisign v0.0.0-20230811132847-661be99b8267 // indirect github.com/jinzhu/copier v0.4.0 // indirect - github.com/jmespath/go-jmespath v0.4.0 // indirect - github.com/josharian/intern v1.0.0 // indirect + github.com/jmespath/go-jmespath v0.4.1-0.20220621161143-b0104c826a24 // indirect github.com/josharian/native v1.1.0 // indirect github.com/json-iterator/go v1.1.12 // indirect github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953 // indirect github.com/kevinburke/ssh_config v1.2.0 // indirect - github.com/klauspost/compress v1.18.1 // indirect + github.com/klauspost/compress v1.18.2 // indirect github.com/klauspost/pgzip v1.2.6 // indirect + github.com/letsencrypt/boulder v0.20251110.0 // indirect github.com/liggitt/tabwriter v0.0.0-20181228230101-89fcab3d43de // indirect github.com/lucasb-eyer/go-colorful v1.2.0 // indirect github.com/mackerelio/go-osstat v0.2.5 // indirect - github.com/mailru/easyjson v0.9.0 // indirect github.com/mattn/go-colorable v0.1.14 // indirect github.com/mattn/go-isatty v0.0.20 // indirect github.com/mattn/go-runewidth v0.0.16 // indirect @@ -291,7 +319,6 @@ require ( github.com/mitchellh/copystructure v1.2.0 // indirect github.com/mitchellh/go-homedir v1.1.0 // indirect github.com/mitchellh/go-wordwrap v1.0.1 // indirect - github.com/mitchellh/mapstructure v1.5.0 // indirect github.com/mitchellh/reflectwalk v1.0.2 // indirect github.com/moby/docker-image-spec v1.3.1 // indirect github.com/moby/locker v1.0.1 // indirect @@ -315,9 +342,11 @@ require ( github.com/notaryproject/notation-go v1.3.2 // indirect github.com/notaryproject/notation-plugin-framework-go v1.0.0 // indirect github.com/notaryproject/tspclient-go v1.0.0 // indirect + github.com/nozzle/throttler v0.0.0-20180817012639-2ea982251481 // indirect github.com/nwaples/rardecode v1.1.3 // indirect github.com/nwaples/rardecode/v2 v2.1.1 // indirect - github.com/oklog/ulid v1.3.1 // indirect + github.com/oklog/ulid/v2 v2.1.1 // indirect + github.com/oleiade/reflections v1.1.0 // indirect github.com/olekukonko/errors v1.1.0 // indirect github.com/olekukonko/ll v0.0.9 // indirect github.com/olekukonko/tablewriter v1.0.9 // indirect @@ -325,23 +354,24 @@ require ( github.com/opcoder0/capabilities v0.0.0-20221222060822-17fd73bffd2a // indirect github.com/opencontainers/runtime-spec v1.2.1 // indirect github.com/opencontainers/selinux v1.13.1 // indirect - github.com/opentracing/opentracing-go v1.2.1-0.20220228012449-10b1cf09e00b // indirect github.com/packetcap/go-pcap v0.0.0-20250723190045-d00b185f30b7 // indirect github.com/pborman/indent v1.2.1 // indirect + github.com/pborman/uuid v1.2.1 // indirect github.com/pelletier/go-toml v1.9.5 // indirect github.com/pelletier/go-toml/v2 v2.2.4 // indirect github.com/peterbourgon/diskv v2.0.1+incompatible // indirect github.com/petermattis/goid v0.0.0-20241211131331-93ee7e083c43 // indirect github.com/pierrec/lz4/v4 v4.1.22 // indirect github.com/pjbgf/sha1cd v0.4.0 // indirect + github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect github.com/pkg/errors v0.9.1 // indirect github.com/pkg/profile v1.7.0 // indirect github.com/pkg/xattr v0.4.12 // indirect github.com/planetscale/vtprotobuf v0.6.1-0.20240319094008-0393e58bdf10 // indirect github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect github.com/prometheus/client_model v0.6.2 // indirect - github.com/prometheus/common v0.67.4 // indirect - github.com/puzpuzpuz/xsync/v2 v2.4.1 // indirect + github.com/prometheus/common v0.67.5 // indirect + github.com/puzpuzpuz/xsync/v2 v2.5.1 // indirect github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect github.com/rivo/uniseg v0.4.7 // indirect github.com/rust-secure-code/go-rustaudit v0.0.0-20250226111315-e20ec32e963c // indirect @@ -350,14 +380,17 @@ require ( github.com/saintfish/chardet v0.0.0-20230101081208-5e3ef4b5456d // indirect github.com/sasha-s/go-deadlock v0.3.5 // indirect github.com/sassoftware/go-rpmutils v0.4.0 // indirect + github.com/sassoftware/relic v7.2.1+incompatible // indirect github.com/scylladb/go-set v1.0.3-0.20200225121959-cc7b2070d91e // indirect github.com/seccomp/libseccomp-golang v0.11.0 // indirect - github.com/secure-systems-lab/go-securesystemslib v0.9.1 // indirect + github.com/secure-systems-lab/go-securesystemslib v0.10.0 // indirect github.com/sergi/go-diff v1.4.0 // indirect github.com/shibumi/go-pathspec v1.3.0 // indirect github.com/shopspring/decimal v1.4.0 // indirect github.com/sigstore/protobuf-specs v0.5.0 // indirect - github.com/sigstore/sigstore v1.10.4 // indirect + github.com/sigstore/rekor-tiles/v2 v2.2.0 // indirect + github.com/sigstore/sigstore-go v1.1.4 // indirect + github.com/sigstore/timestamp-authority/v2 v2.0.4 // indirect github.com/skeema/knownhosts v1.3.1 // indirect github.com/sorairolake/lzip-go v0.3.7 // indirect github.com/sourcegraph/conc v0.3.1-0.20240121214520-5f936abd7ae8 // indirect @@ -373,7 +406,13 @@ require ( github.com/subosito/gotenv v1.6.0 // indirect github.com/sylabs/sif/v2 v2.22.0 // indirect github.com/sylabs/squashfs v1.0.6 // indirect + github.com/syndtr/goleveldb v1.0.1-0.20220721030215-126854af5e6d // indirect github.com/therootcompany/xz v1.0.1 // indirect + github.com/theupdateframework/go-tuf v0.7.0 // indirect + github.com/theupdateframework/go-tuf/v2 v2.4.1 // indirect + github.com/titanous/rocacheck v0.0.0-20171023193734-afe73141d399 // indirect + github.com/transparency-dev/formats v0.0.0-20251017110053-404c0d5b696c // indirect + github.com/transparency-dev/merkle v0.0.2 // indirect github.com/ulikunitz/xz v0.5.15 // indirect github.com/uptrace/opentelemetry-go-extra/otelutil v0.3.2 // indirect github.com/uptrace/opentelemetry-go-extra/otelzap v0.3.2 // indirect @@ -393,46 +432,45 @@ require ( github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect github.com/yl2chen/cidranger v1.0.2 // indirect github.com/zclconf/go-cty v1.16.3 // indirect - go.mongodb.org/mongo-driver v1.17.4 // indirect go.opencensus.io v0.24.0 // indirect go.opentelemetry.io/auto/sdk v1.2.1 // indirect - go.opentelemetry.io/contrib/detectors/gcp v1.38.0 // indirect - go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.62.0 // indirect + go.opentelemetry.io/contrib/detectors/gcp v1.39.0 // indirect + go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.63.0 // indirect go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.63.0 // indirect go.opentelemetry.io/contrib/instrumentation/runtime v0.64.0 // indirect - go.opentelemetry.io/otel v1.40.0 // indirect + go.opentelemetry.io/otel v1.41.0 // indirect go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.14.0 // indirect go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.38.0 // indirect - go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.38.0 // indirect - go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.38.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.39.0 // indirect + go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.39.0 // indirect go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.38.0 // indirect go.opentelemetry.io/otel/log v0.15.0 // indirect - go.opentelemetry.io/otel/metric v1.40.0 // indirect - go.opentelemetry.io/otel/sdk v1.40.0 // indirect + go.opentelemetry.io/otel/metric v1.41.0 // indirect + go.opentelemetry.io/otel/sdk v1.41.0 // indirect go.opentelemetry.io/otel/sdk/log v0.15.0 // indirect - go.opentelemetry.io/otel/sdk/metric v1.40.0 // indirect - go.opentelemetry.io/otel/trace v1.40.0 // indirect + go.opentelemetry.io/otel/sdk/metric v1.41.0 // indirect + go.opentelemetry.io/otel/trace v1.41.0 // indirect go.opentelemetry.io/proto/otlp v1.9.0 // indirect - go.uber.org/zap v1.27.0 // indirect + go.uber.org/zap v1.27.1 // indirect go.yaml.in/yaml/v2 v2.4.3 // indirect go.yaml.in/yaml/v3 v3.0.4 // indirect go4.org v0.0.0-20230225012048-214862532bf5 // indirect go4.org/netipx v0.0.0-20231129151722-fdeea329fbba // indirect - golang.org/x/crypto v0.46.0 // indirect - golang.org/x/exp v0.0.0-20250718183923-645b1fa84792 // indirect + golang.org/x/crypto v0.48.0 // indirect + golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect golang.org/x/image v0.18.0 // indirect - golang.org/x/mod v0.30.0 // indirect - golang.org/x/oauth2 v0.33.0 // indirect + golang.org/x/mod v0.33.0 // indirect + golang.org/x/oauth2 v0.35.0 // indirect golang.org/x/sync v0.19.0 // indirect - golang.org/x/term v0.38.0 // indirect - golang.org/x/text v0.32.0 // indirect + golang.org/x/term v0.40.0 // indirect + golang.org/x/text v0.34.0 // indirect golang.org/x/time v0.14.0 // indirect - golang.org/x/tools v0.39.0 // indirect + golang.org/x/tools v0.41.0 // indirect golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect - google.golang.org/api v0.242.0 // indirect - google.golang.org/genproto v0.0.0-20250715232539-7130f93afb79 // indirect - google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217 // indirect - google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 // indirect + google.golang.org/api v0.269.0 // indirect + google.golang.org/genproto v0.0.0-20260128011058-8636f8732409 // indirect + google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409 // indirect + google.golang.org/genproto/googleapis/rpc v0.0.0-20260217215200-42d3e9bedb6d // indirect google.golang.org/protobuf v1.36.11 // indirect gopkg.in/evanphx/json-patch.v4 v4.13.0 // indirect gopkg.in/inf.v0 v0.9.1 // indirect @@ -459,3 +497,5 @@ require ( ) replace github.com/inspektor-gadget/inspektor-gadget => github.com/matthyx/inspektor-gadget v0.0.0-20260226175242-c524fbad47d9 + +replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260311143456-a042ebaa0ec9 diff --git a/go.sum b/go.sum index b0b7e58046..147dfa2696 100644 --- a/go.sum +++ b/go.sum @@ -1,5 +1,5 @@ -cel.dev/expr v0.24.0 h1:56OvJKSH3hDGL0ml5uSxZmz3/3Pq4tJ+fb1unVLAFcY= -cel.dev/expr v0.24.0/go.mod h1:hLPLo1W4QUmuYdA72RBX06QTs6MXw941piREPl3Yfiw= +cel.dev/expr v0.25.1 h1:1KrZg61W6TWSxuNZ37Xy49ps13NUovb66QLprthtwi4= +cel.dev/expr v0.25.1/go.mod h1:hrXvqGP6G6gyx8UAHSHJ5RGk//1Oj5nXQ2NI02Nrsg4= cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.31.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= @@ -41,8 +41,8 @@ cloud.google.com/go v0.104.0/go.mod h1:OO6xxXdJyvuJPcEPBLN9BJPD+jep5G1+2U5B5gkRY cloud.google.com/go v0.105.0/go.mod h1:PrLgOJNe5nfE9UMxKxgXj4mD3voiP+YQ6gdt6KMFOKM= cloud.google.com/go v0.107.0/go.mod h1:wpc2eNrD7hXUTy8EKS10jkxpZBjASrORK7goS+3YX2I= cloud.google.com/go v0.110.0/go.mod h1:SJnCLqQ0FCFGSZMUNUf84MV3Aia54kn7pi8st7tMzaY= -cloud.google.com/go v0.121.3 h1:84RD+hQXNdY5Sw/MWVAx5O9Aui/rd5VQ9HEcdN19afo= -cloud.google.com/go v0.121.3/go.mod h1:6vWF3nJWRrEUv26mMB3FEIU/o1MQNVPG1iHdisa2SJc= +cloud.google.com/go v0.123.0 h1:2NAUJwPR47q+E35uaJeYoNhuNEM9kM8SjgRgdeOJUSE= +cloud.google.com/go v0.123.0/go.mod h1:xBoMV08QcqUGuPW65Qfm1o9Y4zKZBpGS+7bImXLTAZU= cloud.google.com/go/accessapproval v1.4.0/go.mod h1:zybIuC3KpDOvotz59lFe5qxRZx6C75OtwbisN56xYB4= cloud.google.com/go/accessapproval v1.5.0/go.mod h1:HFy3tuiGvMdcd/u+Cu5b9NkO1pEICJ46IR82PoUdplw= cloud.google.com/go/accessapproval v1.6.0/go.mod h1:R0EiYnwV5fsRFiKZkPHr6mwyk2wxUJ30nL4j2pcFY2E= @@ -104,8 +104,8 @@ cloud.google.com/go/assuredworkloads v1.7.0/go.mod h1:z/736/oNmtGAyU47reJgGN+KVo cloud.google.com/go/assuredworkloads v1.8.0/go.mod h1:AsX2cqyNCOvEQC8RMPnoc0yEarXQk6WEKkxYfL6kGIo= cloud.google.com/go/assuredworkloads v1.9.0/go.mod h1:kFuI1P78bplYtT77Tb1hi0FMxM0vVpRC7VVoJC3ZoT0= cloud.google.com/go/assuredworkloads v1.10.0/go.mod h1:kwdUQuXcedVdsIaKgKTp9t0UJkE5+PAVNhdQm4ZVq2E= -cloud.google.com/go/auth v0.16.2 h1:QvBAGFPLrDeoiNjyfVunhQ10HKNYuOwZ5noee0M5df4= -cloud.google.com/go/auth v0.16.2/go.mod h1:sRBas2Y1fB1vZTdurouM0AzuYQBMZinrUYL8EufhtEA= +cloud.google.com/go/auth v0.18.2 h1:+Nbt5Ev0xEqxlNjd6c+yYUeosQ5TtEUaNcN/3FozlaM= +cloud.google.com/go/auth v0.18.2/go.mod h1:xD+oY7gcahcu7G2SG2DsBerfFxgPAJz17zz2joOFF3M= cloud.google.com/go/auth/oauth2adapt v0.2.8 h1:keo8NaayQZ6wimpNSmW5OPc283g65QNIiLpZnkHRbnc= cloud.google.com/go/auth/oauth2adapt v0.2.8/go.mod h1:XQ9y31RkqZCcwJWNSx2Xvric3RrU88hAYYbjDWYDL+c= cloud.google.com/go/automl v1.5.0/go.mod h1:34EjfoFGMZ5sgJ9EoLsRtdPSNZLcfflJR39VbVNS2M0= @@ -323,8 +323,8 @@ cloud.google.com/go/iam v0.8.0/go.mod h1:lga0/y3iH6CX7sYqypWJ33hf7kkfXJag67naqGE cloud.google.com/go/iam v0.11.0/go.mod h1:9PiLDanza5D+oWFZiH1uG+RnRCfEGKoyl6yo4cgWZGY= cloud.google.com/go/iam v0.12.0/go.mod h1:knyHGviacl11zrtZUoDuYpDgLjvr28sLQaG0YB2GYAY= cloud.google.com/go/iam v0.13.0/go.mod h1:ljOg+rcNfzZ5d6f1nAUJ8ZIxOaZUVoS14bKCtaLZ/D0= -cloud.google.com/go/iam v1.5.2 h1:qgFRAGEmd8z6dJ/qyEchAuL9jpswyODjA2lS+w234g8= -cloud.google.com/go/iam v1.5.2/go.mod h1:SE1vg0N81zQqLzQEwxL2WI6yhetBdbNQuTvIKCSkUHE= +cloud.google.com/go/iam v1.5.3 h1:+vMINPiDF2ognBJ97ABAYYwRgsaqxPbQDlMnbHMjolc= +cloud.google.com/go/iam v1.5.3/go.mod h1:MR3v9oLkZCTlaqljW6Eb2d3HGDGK5/bDv93jhfISFvU= cloud.google.com/go/iap v1.4.0/go.mod h1:RGFwRJdihTINIe4wZ2iCP0zF/qu18ZwyKxrhMhygBEc= cloud.google.com/go/iap v1.5.0/go.mod h1:UH/CGgKd4KyohZL5Pt0jSKE4m3FR51qg6FKQ/z/Ix9A= cloud.google.com/go/iap v1.6.0/go.mod h1:NSuvI9C/j7UdjGjIde7t7HBz+QTwBcapPE07+sSRcLk= @@ -344,6 +344,8 @@ cloud.google.com/go/kms v1.8.0/go.mod h1:4xFEhYFqvW+4VMELtZyxomGSYtSQKzM178ylFW4 cloud.google.com/go/kms v1.9.0/go.mod h1:qb1tPTgfF9RQP8e1wq4cLFErVuTJv7UsSC915J8dh3w= cloud.google.com/go/kms v1.10.0/go.mod h1:ng3KTUtQQU9bPX3+QGLsflZIHlkbn8amFAMY63m8d24= cloud.google.com/go/kms v1.10.1/go.mod h1:rIWk/TryCkR59GMC3YtHtXeLzd634lBbKenvyySAyYI= +cloud.google.com/go/kms v1.25.0 h1:gVqvGGUmz0nYCmtoxWmdc1wli2L1apgP8U4fghPGSbQ= +cloud.google.com/go/kms v1.25.0/go.mod h1:XIdHkzfj0bUO3E+LvwPg+oc7s58/Ns8Nd8Sdtljihbk= cloud.google.com/go/language v1.4.0/go.mod h1:F9dRpNFQmJbkaop6g0JhSBXCNlO90e1KWx5iDdxbWic= cloud.google.com/go/language v1.6.0/go.mod h1:6dJ8t3B+lUYfStgls25GusK04NLh3eDLQnWM3mdEbhI= cloud.google.com/go/language v1.7.0/go.mod h1:DJ6dYN/W+SQOjF8e1hLQXMF21AkH2w9wiPzPCJa2MIE= @@ -354,13 +356,13 @@ cloud.google.com/go/lifesciences v0.6.0/go.mod h1:ddj6tSX/7BOnhxCSd3ZcETvtNr8NZ6 cloud.google.com/go/lifesciences v0.8.0/go.mod h1:lFxiEOMqII6XggGbOnKiyZ7IBwoIqA84ClvoezaA/bo= cloud.google.com/go/logging v1.6.1/go.mod h1:5ZO0mHHbvm8gEmeEUHrmDlTDSu5imF6MUP9OfilNXBw= cloud.google.com/go/logging v1.7.0/go.mod h1:3xjP2CjkM3ZkO73aj4ASA5wRPGGCRrPIAeNqVNkzY8M= -cloud.google.com/go/logging v1.13.0 h1:7j0HgAp0B94o1YRDqiqm26w4q1rDMH7XNRU34lJXHYc= -cloud.google.com/go/logging v1.13.0/go.mod h1:36CoKh6KA/M0PbhPKMq6/qety2DCAErbhXT62TuXALA= +cloud.google.com/go/logging v1.13.1 h1:O7LvmO0kGLaHY/gq8cV7T0dyp6zJhYAOtZPX4TF3QtY= +cloud.google.com/go/logging v1.13.1/go.mod h1:XAQkfkMBxQRjQek96WLPNze7vsOmay9H5PqfsNYDqvw= cloud.google.com/go/longrunning v0.1.1/go.mod h1:UUFxuDWkv22EuY93jjmDMFT5GPQKeFVJBIF6QlTqdsE= cloud.google.com/go/longrunning v0.3.0/go.mod h1:qth9Y41RRSUE69rDcOn6DdK3HfQfsUI0YSmW3iIlLJc= cloud.google.com/go/longrunning v0.4.1/go.mod h1:4iWDqhBZ70CvZ6BfETbvam3T8FMvLK+eFj0E6AaRQTo= -cloud.google.com/go/longrunning v0.6.7 h1:IGtfDWHhQCgCjwQjV9iiLnUta9LBCo8R9QmAFsS/PrE= -cloud.google.com/go/longrunning v0.6.7/go.mod h1:EAFV3IZAKmM56TyiE6VAP3VoTzhZzySwI/YI1s/nRsY= +cloud.google.com/go/longrunning v0.8.0 h1:LiKK77J3bx5gDLi4SMViHixjD2ohlkwBi+mKA7EhfW8= +cloud.google.com/go/longrunning v0.8.0/go.mod h1:UmErU2Onzi+fKDg2gR7dusz11Pe26aknR4kHmJJqIfk= cloud.google.com/go/managedidentities v1.3.0/go.mod h1:UzlW3cBOiPrzucO5qWkNkh0w33KFtBJU281hacNvsdE= cloud.google.com/go/managedidentities v1.4.0/go.mod h1:NWSBYbEMgqmbZsLIyKvxrYbtqOsxY1ZrGM+9RgDqInM= cloud.google.com/go/managedidentities v1.5.0/go.mod h1:+dWcZ0JlUmpuxpIDfyP5pP5y0bLdRwOS4Lp7gMni/LA= @@ -384,8 +386,8 @@ cloud.google.com/go/monitoring v1.7.0/go.mod h1:HpYse6kkGo//7p6sT0wsIC6IBDET0RhI cloud.google.com/go/monitoring v1.8.0/go.mod h1:E7PtoMJ1kQXWxPjB6mv2fhC5/15jInuulFdYYtlcvT4= cloud.google.com/go/monitoring v1.12.0/go.mod h1:yx8Jj2fZNEkL/GYZyTLS4ZtZEZN8WtDEiEqG4kLK50w= cloud.google.com/go/monitoring v1.13.0/go.mod h1:k2yMBAB1H9JT/QETjNkgdCGD9bPF712XiLTVr+cBrpw= -cloud.google.com/go/monitoring v1.24.2 h1:5OTsoJ1dXYIiMiuL+sYscLc9BumrL3CarVLL7dd7lHM= -cloud.google.com/go/monitoring v1.24.2/go.mod h1:x7yzPWcgDRnPEv3sI+jJGBkwl5qINf+6qY4eq0I9B4U= +cloud.google.com/go/monitoring v1.24.3 h1:dde+gMNc0UhPZD1Azu6at2e79bfdztVDS5lvhOdsgaE= +cloud.google.com/go/monitoring v1.24.3/go.mod h1:nYP6W0tm3N9H/bOw8am7t62YTzZY+zUeQ+Bi6+2eonI= cloud.google.com/go/networkconnectivity v1.4.0/go.mod h1:nOl7YL8odKyAOtzNX73/M5/mGZgqqMeryi6UPZTk/rA= cloud.google.com/go/networkconnectivity v1.5.0/go.mod h1:3GzqJx7uhtlM3kln0+x5wyFvuVH1pIBJjhCpjzSt75o= cloud.google.com/go/networkconnectivity v1.6.0/go.mod h1:OJOoEXW+0LAxHh89nXd64uGG+FbQoeH8DtxCHVOMlaM= @@ -549,8 +551,8 @@ cloud.google.com/go/storage v1.23.0/go.mod h1:vOEEDNFnciUMhBeT6hsJIn3ieU5cFRmzeL cloud.google.com/go/storage v1.27.0/go.mod h1:x9DOL8TK/ygDUMieqwfhdpQryTeEkhGKMi80i/iqR2s= cloud.google.com/go/storage v1.28.1/go.mod h1:Qnisd4CqDdo6BGs2AD5LLnEsmSQ80wQ5ogcBBKhU86Y= cloud.google.com/go/storage v1.29.0/go.mod h1:4puEjyTKnku6gfKoTfNOU/W+a9JyuVNxjpS5GBrB8h4= -cloud.google.com/go/storage v1.55.0 h1:NESjdAToN9u1tmhVqhXCaCwYBuvEhZLLv0gBr+2znf0= -cloud.google.com/go/storage v1.55.0/go.mod h1:ztSmTTwzsdXe5syLVS0YsbFxXuvEmEyZj7v7zChEmuY= +cloud.google.com/go/storage v1.59.1 h1:DXAZLcTimtiXdGqDSnebROVPd9QvRsFVVlptz02Wk58= +cloud.google.com/go/storage v1.59.1/go.mod h1:cMWbtM+anpC74gn6qjLh+exqYcfmB9Hqe5z6adx+CLI= cloud.google.com/go/storagetransfer v1.5.0/go.mod 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h1:A9O8OU9rdvrK5MQyrqfIxo1a0u4g3sF8KB6PUIaryMM= +github.com/google/certificate-transparency-go v1.3.2 h1:9ahSNZF2o7SYMaKaXhAumVEzXB2QaayzII9C8rv7v+A= +github.com/google/certificate-transparency-go v1.3.2/go.mod h1:H5FpMUaGa5Ab2+KCYsxg6sELw3Flkl7pGZzWdBoYLXs= github.com/google/flatbuffers v2.0.8+incompatible/go.mod h1:1AeVuKshWv4vARoZatz6mlQ0JxURH0Kv5+zNeJKJCa8= github.com/google/gnostic-models v0.7.0 h1:qwTtogB15McXDaNqTZdzPJRHvaVJlAl+HVQnLmJEJxo= github.com/google/gnostic-models v0.7.0/go.mod h1:whL5G0m6dmc5cPxKc5bdKdEN3UjI7OUGxBlw57miDrQ= @@ -1260,7 +1342,11 @@ github.com/google/go-containerregistry v0.20.7 h1:24VGNpS0IwrOZ2ms2P1QE3Xa5X9p4p github.com/google/go-containerregistry v0.20.7/go.mod h1:Lx5LCZQjLH1QBaMPeGwsME9biPeo1lPx6lbGj/UmzgM= github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ= github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck= +github.com/google/go-querystring v1.2.0 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h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= github.com/google/pprof v0.0.0-20210226084205-cbba55b83ad5/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= +github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= github.com/google/pprof v0.0.0-20210601050228-01bbb1931b22/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= github.com/google/pprof v0.0.0-20210609004039-a478d1d731e9/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE= @@ -1293,6 +1380,9 @@ github.com/google/pprof v0.0.0-20250630185457-6e76a2b096b5/go.mod h1:5hDyRhoBCxV github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI= github.com/google/s2a-go v0.1.9 h1:LGD7gtMgezd8a/Xak7mEWL0PjoTQFvpRudN895yqKW0= github.com/google/s2a-go v0.1.9/go.mod h1:YA0Ei2ZQL3acow2O62kdp9UlnvMmU7kA6Eutn0dXayM= 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v0.3.6 h1:GW/XbdyBFQ8Qe+YAmFU9uHLo7OnF5tL52HFAgMmyrf4= -github.com/googleapis/enterprise-certificate-proxy v0.3.6/go.mod h1:MkHOF77EYAE7qfSuSS9PU6g4Nt4e11cnsDUowfwewLA= +github.com/googleapis/enterprise-certificate-proxy v0.3.12 h1:Fg+zsqzYEs1ZnvmcztTYxhgCBsx3eEhEwQ1W/lHq/sQ= +github.com/googleapis/enterprise-certificate-proxy v0.3.12/go.mod h1:vqVt9yG9480NtzREnTlmGSBmFrA+bzb0yl0TxoBQXOg= github.com/googleapis/gax-go v2.0.0+incompatible/go.mod h1:SFVmujtThgffbyetf+mdk2eWhX2bMyUtNHzFKcPA9HY= github.com/googleapis/gax-go/v2 v2.0.3/go.mod h1:LLvjysVCY1JZeum8Z6l8qUty8fiNwE08qbEPm1M08qg= github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg= @@ -1317,8 +1407,8 @@ github.com/googleapis/gax-go/v2 v2.5.1/go.mod h1:h6B0KMMFNtI2ddbGJn3T3ZbwkeT6yqE github.com/googleapis/gax-go/v2 v2.6.0/go.mod h1:1mjbznJAPHFpesgE5ucqfYEscaz5kMdcIDwU/6+DDoY= github.com/googleapis/gax-go/v2 v2.7.0/go.mod h1:TEop28CZZQ2y+c0VxMUmu1lV+fQx57QpBWsYpwqHJx8= 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h1:NmZ1PKzSTQbuGHw9DGPFomqkkLWMC+vZCkfs+FHv1Vg= -github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3/go.mod h1:zQrxl1YP88HQlA6i9c63DSVPFklWpGX4OWAc9bFuaH4= +github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.5 h1:jP1RStw811EvUDzsUQ9oESqw2e4RqCjSAD9qIL8eMns= +github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.5/go.mod h1:WXNBZ64q3+ZUemCMXD9kYnr56H7CgZxDBHCVwstfl3s= github.com/hashicorp/consul/api v1.11.0/go.mod h1:XjsvQN+RJGWI2TWy1/kqaE16HrR2J/FWgkYjdZQsX9M= github.com/hashicorp/consul/sdk v0.8.0/go.mod h1:GBvyrGALthsZObzUGsfgHZQDXjg4lOjagTIwIR1vPms= github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4= @@ -1361,6 +1453,8 @@ github.com/hashicorp/go-getter v1.7.9 h1:G9gcjrDixz7glqJ+ll5IWvggSBR+R0B54DSRt4q github.com/hashicorp/go-getter v1.7.9/go.mod h1:dyFCmT1AQkDfOIt9NH8pw9XBDqNrIKJT5ylbpi7zPNE= github.com/hashicorp/go-hclog v0.12.0/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ= github.com/hashicorp/go-hclog v1.0.0/go.mod h1:whpDNt7SSdeAju8AWKIWsul05p54N/39EeqMAyrmvFQ= +github.com/hashicorp/go-hclog v1.6.3 h1:Qr2kF+eVWjTiYmU7Y31tYlP1h0q/X3Nl3tPGdaB11/k= +github.com/hashicorp/go-hclog v1.6.3/go.mod h1:W4Qnvbt70Wk/zYJryRzDRU/4r0kIg0PVHBcfoyhpF5M= github.com/hashicorp/go-immutable-radix v1.0.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60= github.com/hashicorp/go-immutable-radix v1.3.1/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60= github.com/hashicorp/go-msgpack v0.5.3/go.mod h1:ahLV/dePpqEmjfWmKiqvPkv/twdG7iPBM1vqhUKIvfM= @@ -1369,10 +1463,19 @@ github.com/hashicorp/go-multierror v1.1.0/go.mod h1:spPvp8C1qA32ftKqdAHm4hHTbPw+ github.com/hashicorp/go-multierror v1.1.1 h1:H5DkEtf6CXdFp0N0Em5UCwQpXMWke8IA0+lD48awMYo= github.com/hashicorp/go-multierror v1.1.1/go.mod h1:iw975J/qwKPdAO1clOe2L8331t/9/fmwbPZ6JB6eMoM= github.com/hashicorp/go-retryablehttp v0.5.3/go.mod h1:9B5zBasrRhHXnJnui7y6sL7es7NDiJgTc6Er0maI1Xs= +github.com/hashicorp/go-retryablehttp v0.7.8 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v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto= go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE= @@ -2066,8 +2275,8 @@ go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9i go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0= go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y= go.uber.org/zap v1.17.0/go.mod h1:MXVU+bhUf/A7Xi2HNOnopQOrmycQ5Ih87HtOu4q5SSo= -go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8= -go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E= +go.uber.org/zap v1.27.1 h1:08RqriUEv8+ArZRYSTXy1LeBScaMpVSTBhCeaZYfMYc= +go.uber.org/zap v1.27.1/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E= go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0= go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8= go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc= @@ -2100,8 +2309,8 @@ golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDf golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8= golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk= golang.org/x/crypto v0.32.0/go.mod h1:ZnnJkOaASj8g0AjIduWNlq2NRxL0PlBrbKVyZ6V/Ugc= -golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU= -golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0= +golang.org/x/crypto v0.48.0 h1:/VRzVqiRSggnhY7gNRxPauEQ5Drw9haKdM0jqfcCFts= +golang.org/x/crypto v0.48.0/go.mod h1:r0kV5h3qnFPlQnBSrULhlsRfryS2pmewsg+XfMgkVos= golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= @@ -2117,8 +2326,8 @@ golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u0 golang.org/x/exp v0.0.0-20200207192155-f17229e696bd/go.mod h1:J/WKrq2StrnmMY6+EHIKF9dgMWnmCNThgcyBT1FY9mM= golang.org/x/exp v0.0.0-20200224162631-6cc2880d07d6/go.mod h1:3jZMyOhIsHpP37uCMkUooju7aAi5cS1Q23tOzKc+0MU= golang.org/x/exp v0.0.0-20220827204233-334a2380cb91/go.mod h1:cyybsKvd6eL0RnXn6p/Grxp8F5bW7iYuBgsNCOHpMYE= -golang.org/x/exp v0.0.0-20250718183923-645b1fa84792 h1:R9PFI6EUdfVKgwKjZef7QIwGcBKu86OEFpJ9nUEP2l4= -golang.org/x/exp v0.0.0-20250718183923-645b1fa84792/go.mod h1:A+z0yzpGtvnG90cToK5n2tu8UJVP2XUATh+r+sfOOOc= +golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 h1:mgKeJMpvi0yx/sU5GsxQ7p6s2wtOnGAHZWCHUM4KGzY= +golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546/go.mod h1:j/pmGrbnkbPtQfxEe5D0VQhZC6qKbfKifgD0oM7sR70= golang.org/x/image v0.0.0-20180708004352-c73c2afc3b81/go.mod h1:ux5Hcp/YLpHSI86hEcLt0YII63i6oz57MZXIpbrjZUs= golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js= golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= @@ -2167,8 +2376,8 @@ golang.org/x/mod v0.9.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs= golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c= golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c= -golang.org/x/mod v0.30.0 h1:fDEXFVZ/fmCKProc/yAXXUijritrDzahmwwefnjoPFk= -golang.org/x/mod v0.30.0/go.mod h1:lAsf5O2EvJeSFMiBxXDki7sCgAxEUcZHXoXMKT4GJKc= +golang.org/x/mod v0.33.0 h1:tHFzIWbBifEmbwtGz65eaWyGiGZatSrT9prnU8DbVL8= +golang.org/x/mod v0.33.0/go.mod h1:swjeQEj+6r7fODbD2cqrnje9PnziFuw4bmLbBZFrQ5w= golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -2201,6 +2410,7 @@ golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/ golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20200506145744-7e3656a0809f/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20200513185701-a91f0712d120/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= +golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= @@ -2217,6 +2427,7 @@ golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc= golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM= golang.org/x/net v0.0.0-20210410081132-afb366fc7cd1/go.mod h1:9tjilg8BloeKEkVJvy7fQ90B1CfIiPueXVOjqfkSzI8= +golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk= golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= golang.org/x/net v0.0.0-20210520170846-37e1c6afe023/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= golang.org/x/net v0.0.0-20210525063256-abc453219eb5/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= @@ -2249,8 +2460,8 @@ golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44= golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM= golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4= golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k= -golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU= -golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY= +golang.org/x/net v0.50.0 h1:ucWh9eiCGyDR3vtzso0WMQinm2Dnt8cFMuQa9K33J60= +golang.org/x/net v0.50.0/go.mod h1:UgoSli3F/pBgdJBHCTc+tp3gmrU4XswgGRgtnwWTfyM= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= @@ -2283,8 +2494,8 @@ golang.org/x/oauth2 v0.4.0/go.mod h1:RznEsdpjGAINPTOF0UH/t+xJ75L18YO3Ho6Pyn+uRec golang.org/x/oauth2 v0.5.0/go.mod h1:9/XBHVqLaWO3/BRHs5jbpYCnOZVjj5V0ndyaAM7KB4I= golang.org/x/oauth2 v0.6.0/go.mod h1:ycmewcwgD4Rpr3eZJLSB4Kyyljb3qDh40vJ8STE5HKw= golang.org/x/oauth2 v0.7.0/go.mod h1:hPLQkd9LyjfXTiRohC/41GhcFqxisoUQ99sCUOHO9x4= -golang.org/x/oauth2 v0.33.0 h1:4Q+qn+E5z8gPRJfmRy7C2gGG3T4jIprK6aSYgTXGRpo= -golang.org/x/oauth2 v0.33.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA= +golang.org/x/oauth2 v0.35.0 h1:Mv2mzuHuZuY2+bkyWXIHMfhNdJAdwW3FuWeCPYN5GVQ= +golang.org/x/oauth2 v0.35.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA= golang.org/x/perf v0.0.0-20180704124530-6e6d33e29852/go.mod h1:JLpeXjPJfIyPr5TlbXLkXWLhP8nz10XfvxElABhCtcw= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= @@ -2328,11 +2539,14 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -2360,6 +2574,7 @@ golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20201218084310-7d0127a74742/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210110051926-789bb1bd4061/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210112080510-489259a85091/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210123111255-9b0068b26619/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= @@ -2412,6 +2627,7 @@ golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBc golang.org/x/sys v0.0.0-20220728004956-3c1f35247d10/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20220829200755-d48e67d00261/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= @@ -2425,8 +2641,8 @@ golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= -golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ= -golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks= +golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k= +golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks= golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE= golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= @@ -2442,8 +2658,8 @@ golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk= golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY= golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM= golang.org/x/term v0.28.0/go.mod h1:Sw/lC2IAUZ92udQNf3WodGtn4k/XoLyZoh8v/8uiwek= -golang.org/x/term v0.38.0 h1:PQ5pkm/rLO6HnxFR7N2lJHOZX6Kez5Y1gDSJla6jo7Q= -golang.org/x/term v0.38.0/go.mod h1:bSEAKrOT1W+VSu9TSCMtoGEOUcKxOKgl3LE5QEF/xVg= +golang.org/x/term v0.40.0 h1:36e4zGLqU4yhjlmxEaagx2KuYbJq3EwY8K943ZsHcvg= +golang.org/x/term v0.40.0/go.mod h1:w2P8uVp06p2iyKKuvXIm7N/y0UCRt3UfJTfZ7oOpglM= golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= @@ -2464,8 +2680,8 @@ golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE= golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU= golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ= -golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU= -golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY= +golang.org/x/text v0.34.0 h1:oL/Qq0Kdaqxa1KbNeMKwQq0reLCCaFtqu2eNuSeNHbk= +golang.org/x/text v0.34.0/go.mod h1:homfLqTYRFyVYemLBFl5GgL/DWEiH5wcsQ5gSh1yziA= golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= @@ -2527,6 +2743,7 @@ golang.org/x/tools v0.0.0-20201110124207-079ba7bd75cd/go.mod h1:emZCQorbCU4vsT4f golang.org/x/tools v0.0.0-20201124115921-2c860bdd6e78/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= golang.org/x/tools v0.0.0-20201201161351-ac6f37ff4c2a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= +golang.org/x/tools v0.0.0-20201224043029-2b0845dc783e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= golang.org/x/tools v0.0.0-20210108195828-e2f9c7f1fc8e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= @@ -2543,8 +2760,8 @@ golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU= golang.org/x/tools v0.7.0/go.mod h1:4pg6aUX35JBAogB10C9AtvVL+qowtN4pT3CGSQex14s= golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58= golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk= -golang.org/x/tools v0.39.0 h1:ik4ho21kwuQln40uelmciQPp9SipgNDdrafrYA4TmQQ= -golang.org/x/tools v0.39.0/go.mod h1:JnefbkDPyD8UU2kI5fuf8ZX4/yUeh9W877ZeBONxUqQ= +golang.org/x/tools v0.41.0 h1:a9b8iMweWG+S0OBnlU36rzLp20z1Rp10w+IY2czHTQc= +golang.org/x/tools v0.41.0/go.mod h1:XSY6eDqxVNiYgezAVqqCeihT4j1U2CCsqvH3WhQpnlg= golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= @@ -2629,8 +2846,8 @@ google.golang.org/api v0.108.0/go.mod h1:2Ts0XTHNVWxypznxWOYUeI4g3WdP9Pk2Qk58+a/ google.golang.org/api v0.110.0/go.mod h1:7FC4Vvx1Mooxh8C5HWjzZHcavuS2f6pmJpZx60ca7iI= google.golang.org/api v0.111.0/go.mod h1:qtFHvU9mhgTJegR31csQ+rwxyUTHOKFqCKWp1J0fdw0= google.golang.org/api v0.114.0/go.mod h1:ifYI2ZsFK6/uGddGfAD5BMxlnkBqCmqHSDUVi45N5Yg= -google.golang.org/api v0.242.0 h1:7Lnb1nfnpvbkCiZek6IXKdJ0MFuAZNAJKQfA1ws62xg= -google.golang.org/api v0.242.0/go.mod h1:cOVEm2TpdAGHL2z+UwyS+kmlGr3bVWQQ6sYEqkKje50= +google.golang.org/api v0.269.0 h1:qDrTOxKUQ/P0MveH6a7vZ+DNHxJQjtGm/uvdbdGXCQg= +google.golang.org/api v0.269.0/go.mod h1:N8Wpcu23Tlccl0zSHEkcAZQKDLdquxK+l9r2LkwAauE= google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM= google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= @@ -2780,12 +2997,12 @@ google.golang.org/genproto v0.0.0-20230323212658-478b75c54725/go.mod h1:UUQDJDOl google.golang.org/genproto v0.0.0-20230330154414-c0448cd141ea/go.mod h1:UUQDJDOlWu4KYeJZffbWgBkS1YFobzKbLVfK69pe0Ak= google.golang.org/genproto v0.0.0-20230331144136-dcfb400f0633/go.mod h1:UUQDJDOlWu4KYeJZffbWgBkS1YFobzKbLVfK69pe0Ak= google.golang.org/genproto v0.0.0-20230410155749-daa745c078e1/go.mod h1:nKE/iIaLqn2bQwXBg8f1g2Ylh6r5MN5CmZvuzZCgsCU= -google.golang.org/genproto v0.0.0-20250715232539-7130f93afb79 h1:Nt6z9UHqSlIdIGJdz6KhTIs2VRx/iOsA5iE8bmQNcxs= -google.golang.org/genproto v0.0.0-20250715232539-7130f93afb79/go.mod h1:kTmlBHMPqR5uCZPBvwa2B18mvubkjyY3CRLI0c6fj0s= -google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217 h1:fCvbg86sFXwdrl5LgVcTEvNC+2txB5mgROGmRL5mrls= -google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217/go.mod h1:+rXWjjaukWZun3mLfjmVnQi18E1AsFbDN9QdJ5YXLto= -google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 h1:gRkg/vSppuSQoDjxyiGfN4Upv/h/DQmIR10ZU8dh4Ww= -google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk= +google.golang.org/genproto v0.0.0-20260128011058-8636f8732409 h1:VQZ/yAbAtjkHgH80teYd2em3xtIkkHd7ZhqfH2N9CsM= +google.golang.org/genproto v0.0.0-20260128011058-8636f8732409/go.mod h1:rxKD3IEILWEu3P44seeNOAwZN4SaoKaQ/2eTg4mM6EM= +google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409 h1:merA0rdPeUV3YIIfHHcH4qBkiQAc1nfCKSI7lB4cV2M= +google.golang.org/genproto/googleapis/api v0.0.0-20260128011058-8636f8732409/go.mod h1:fl8J1IvUjCilwZzQowmw2b7HQB2eAuYBabMXzWurF+I= +google.golang.org/genproto/googleapis/rpc v0.0.0-20260217215200-42d3e9bedb6d h1:t/LOSXPJ9R0B6fnZNyALBRfZBH0Uy0gT+uR+SJ6syqQ= +google.golang.org/genproto/googleapis/rpc v0.0.0-20260217215200-42d3e9bedb6d/go.mod h1:4Hqkh8ycfw05ld/3BWL7rJOSfebL2Q+DVDeRgYgxUU8= google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw= google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio= google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs= @@ -2830,8 +3047,8 @@ google.golang.org/grpc v1.52.3/go.mod h1:pu6fVzoFb+NBYNAvQL08ic+lvB2IojljRYuun5v google.golang.org/grpc v1.53.0/go.mod h1:OnIrk0ipVdj4N5d9IUoFUx72/VlD7+jUsHwZgwSMQpw= google.golang.org/grpc v1.54.0/go.mod h1:PUSEXI6iWghWaB6lXM4knEgpJNu2qUcKfDtNci3EC2g= google.golang.org/grpc v1.56.3/go.mod h1:I9bI3vqKfayGqPUAwGdOSu7kt6oIJLixfffKrpXqQ9s= -google.golang.org/grpc v1.77.0 h1:wVVY6/8cGA6vvffn+wWK5ToddbgdU3d8MNENr4evgXM= -google.golang.org/grpc v1.77.0/go.mod h1:z0BY1iVj0q8E1uSQCjL9cppRj+gnZjzDnzV0dHhrNig= +google.golang.org/grpc v1.79.2 h1:fRMD94s2tITpyJGtBBn7MkMseNpOZU8ZxgC3MMBaXRU= +google.golang.org/grpc v1.79.2/go.mod h1:KmT0Kjez+0dde/v2j9vzwoAScgEPx/Bw1CYChhHLrHQ= google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw= google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8= google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0= @@ -2864,11 +3081,14 @@ gopkg.in/cheggaaa/pb.v1 v1.0.27/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qS gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/evanphx/json-patch.v4 v4.13.0 h1:czT3CmqEaQ1aanPc5SdlgQrrEIb8w/wwCvWWnfEbYzo= gopkg.in/evanphx/json-patch.v4 v4.13.0/go.mod h1:p8EYWUEYMpynmqDbY58zCKCFZw8pRWMG4EsWvDvM72M= +gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc= gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw= gopkg.in/ini.v1 v1.66.2/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= gopkg.in/mcuadros/go-syslog.v2 v2.3.0 h1:kcsiS+WsTKyIEPABJBJtoG0KkOS6yzvJ+/eZlhD79kk= gopkg.in/mcuadros/go-syslog.v2 v2.3.0/go.mod h1:l5LPIyOOyIdQquNg+oU6Z3524YwrcqEm0aKH+5zpt2U= +gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= +gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME= gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI= gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= @@ -2877,14 +3097,15 @@ gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY= gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ= gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= -gotest.tools/v3 v3.5.0 h1:Ljk6PdHdOhAb5aDMWXjDLMMhph+BpztA4v1QdqEW2eY= -gotest.tools/v3 v3.5.0/go.mod h1:isy3WKz7GK6uNw/sbHzfKBLvlvXwUyV06n6brMxxopU= +gotest.tools/v3 v3.5.2 h1:7koQfIKdy+I8UTetycgUqXWSDwpgv193Ka+qRsmBY8Q= +gotest.tools/v3 v3.5.2/go.mod h1:LtdLGcnqToBH83WByAAi/wiwSFCArdFIUV/xxN4pcjA= grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o= honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= @@ -2897,18 +3118,18 @@ honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9 honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las= istio.io/pkg v0.0.0-20231221211216-7635388a563e h1:ZlLVbKDlCzfP0MPbWc6VRcY23d9NdjLxwpPQpDrh3Gc= istio.io/pkg v0.0.0-20231221211216-7635388a563e/go.mod h1:fvmqEdHhZjYYwf6dSiIwvwc7db54kMWVTfsb91KmhzY= -k8s.io/api v0.35.0 h1:iBAU5LTyBI9vw3L5glmat1njFK34srdLmktWwLTprlY= -k8s.io/api v0.35.0/go.mod h1:AQ0SNTzm4ZAczM03QH42c7l3bih1TbAXYo0DkF8ktnA= +k8s.io/api v0.35.1 h1:0PO/1FhlK/EQNVK5+txc4FuhQibV25VLSdLMmGpDE/Q= +k8s.io/api v0.35.1/go.mod h1:28uR9xlXWml9eT0uaGo6y71xK86JBELShLy4wR1XtxM= k8s.io/apiextensions-apiserver v0.35.0 h1:3xHk2rTOdWXXJM+RDQZJvdx0yEOgC0FgQ1PlJatA5T4= k8s.io/apiextensions-apiserver v0.35.0/go.mod h1:E1Ahk9SADaLQ4qtzYFkwUqusXTcaV2uw3l14aqpL2LU= -k8s.io/apimachinery v0.35.0 h1:Z2L3IHvPVv/MJ7xRxHEtk6GoJElaAqDCCU0S6ncYok8= -k8s.io/apimachinery v0.35.0/go.mod h1:jQCgFZFR1F4Ik7hvr2g84RTJSZegBc8yHgFWKn//hns= +k8s.io/apimachinery v0.35.1 h1:yxO6gV555P1YV0SANtnTjXYfiivaTPvCTKX6w6qdDsU= +k8s.io/apimachinery v0.35.1/go.mod h1:jQCgFZFR1F4Ik7hvr2g84RTJSZegBc8yHgFWKn//hns= k8s.io/apiserver v0.35.0 h1:CUGo5o+7hW9GcAEF3x3usT3fX4f9r8xmgQeCBDaOgX4= k8s.io/apiserver v0.35.0/go.mod h1:QUy1U4+PrzbJaM3XGu2tQ7U9A4udRRo5cyxkFX0GEds= k8s.io/cli-runtime v0.35.0 h1:PEJtYS/Zr4p20PfZSLCbY6YvaoLrfByd6THQzPworUE= k8s.io/cli-runtime v0.35.0/go.mod h1:VBRvHzosVAoVdP3XwUQn1Oqkvaa8facnokNkD7jOTMY= -k8s.io/client-go v0.35.0 h1:IAW0ifFbfQQwQmga0UdoH0yvdqrbwMdq9vIFEhRpxBE= -k8s.io/client-go v0.35.0/go.mod h1:q2E5AAyqcbeLGPdoRB+Nxe3KYTfPce1Dnu1myQdqz9o= +k8s.io/client-go v0.35.1 h1:+eSfZHwuo/I19PaSxqumjqZ9l5XiTEKbIaJ+j1wLcLM= +k8s.io/client-go v0.35.1/go.mod h1:1p1KxDt3a0ruRfc/pG4qT/3oHmUj1AhSHEcxNSGg+OA= k8s.io/component-base v0.35.0 h1:+yBrOhzri2S1BVqyVSvcM3PtPyx5GUxCK2tinZz1G94= k8s.io/component-base v0.35.0/go.mod h1:85SCX4UCa6SCFt6p3IKAPej7jSnF3L8EbfSyMZayJR0= k8s.io/cri-api v0.35.0 h1:fxLSKyJHqbyCSUsg1rW4DRpmjSEM/elZ1GXzYTSLoDQ= @@ -3005,6 +3226,8 @@ sigs.k8s.io/structured-merge-diff/v6 v6.3.0/go.mod h1:M3W8sfWvn2HhQDIbGWj3S099Yo sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY= sigs.k8s.io/yaml v1.6.0 h1:G8fkbMSAFqgEFgh4b1wmtzDnioxFCUgTZhlbj5P9QYs= sigs.k8s.io/yaml v1.6.0/go.mod h1:796bPqUfzR/0jLAl6XjHl3Ck7MiyVv8dbTdyT3/pMf4= +software.sslmate.com/src/go-pkcs12 v0.4.0 h1:H2g08FrTvSFKUj+D309j1DPfk5APnIdAQAB8aEykJ5k= +software.sslmate.com/src/go-pkcs12 v0.4.0/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI= sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck= sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0= zombiezen.com/go/sqlite v1.4.0 h1:N1s3RIljwtp4541Y8rM880qgGIgq3fTD2yks1xftnKU= diff --git a/pkg/config/config.go b/pkg/config/config.go index 3af844815a..40eecfea01 100644 --- a/pkg/config/config.go +++ b/pkg/config/config.go @@ -66,6 +66,7 @@ type Config struct { EnableRuntimeDetection bool `mapstructure:"runtimeDetectionEnabled"` EnableSbomGeneration bool `mapstructure:"sbomGenerationEnabled"` EnableSeccomp bool `mapstructure:"seccompServiceEnabled"` + EnableSignatureVerification bool `mapstructure:"enableSignatureVerification"` HostMonitoringEnabled bool `mapstructure:"hostMonitoringEnabled"` StandaloneMonitoringEnabled bool `mapstructure:"standaloneMonitoringEnabled"` SeccompProfileBackend string `mapstructure:"seccompProfileBackend"` @@ -182,6 +183,7 @@ func LoadConfig(path string) (Config, error) { viper.SetDefault("celConfigCache::maxSize", 100000) viper.SetDefault("celConfigCache::ttl", 1*time.Minute) viper.SetDefault("ignoreRuleBindings", false) + viper.SetDefault("enableSignatureVerification", false) viper.SetDefault("dnsCacheSize", 50000) viper.SetDefault("seccompProfileBackend", "storage") // "storage" or "crd" @@ -214,6 +216,7 @@ func LoadConfig(path string) (Config, error) { viper.SetDefault("hostSensorInterval", 5*time.Minute) viper.AutomaticEnv() + _ = viper.BindEnv("enableSignatureVerification", "ENABLE_SIGNATURE_VERIFICATION") err := viper.ReadInConfig() if err != nil { diff --git a/pkg/ebpf/gadgets/randomx/program.bpf.c b/pkg/ebpf/gadgets/randomx/program.bpf.c index ed9cd5812b..46e7425e29 100644 --- a/pkg/ebpf/gadgets/randomx/program.bpf.c +++ b/pkg/ebpf/gadgets/randomx/program.bpf.c @@ -166,4 +166,176 @@ int tracepoint__x86_fpu_regs_deactivated(struct trace_event_raw_x86_fpu *ctx) char LICENSE[] SEC("license") = "GPL"; -#endif // defined(__TARGET_ARCH_x86) \ No newline at end of file +#endif // defined(__TARGET_ARCH_x86) + +/* // Kernel types definitions +#include + +// eBPF helpers signatures +// Check https://man7.org/linux/man-pages/man7/bpf-helpers.7.html to learn +// more about different available helpers +#include +#include + +// Inspektor Gadget buffer +#include +// Helpers to handle common data +#include +// Inspektor Gadget macros +#include +// Inspektor Gadget filtering +#include +// Inspektor Gadget types +#include +// Inspektor Gadget mntns +#include + +#include "program.h" +#include "upper_layer.h" +#include "exe_path.h" + +#if defined(__TARGET_ARCH_x86) + +#define TARGET_RANDOMX_EVENTS_COUNT 5 +// 5 seconds in nanoseconds +#define MAX_NS_BETWEEN_EVENTS 5000000000ULL + +// This struct will hold the state for each mount namespace +struct mntns_cache { + u64 timestamp; + u64 events_count; + bool alerted; +}; + +// A map to store the cache per mntns_id. +// key: mntns_id (u64), value: struct mntns_cache +struct { + __uint(type, BPF_MAP_TYPE_LRU_HASH); + __uint(max_entries, 1024); + __type(key, u64); + __type(value, struct mntns_cache); +} mntns_event_count SEC(".maps"); + +// events is the name of the buffer map and 1024 * 256 (256KB) is its size. +GADGET_TRACER_MAP(events, 1024 * 256); + +// Define a tracer +GADGET_TRACER(randomx, events, event); + +// Utilize the kernel version provided by libbpf. (kconfig must be present). +extern int LINUX_KERNEL_VERSION __kconfig; + +#if LINUX_KERNEL_VERSION <= KERNEL_VERSION(5, 15, 0) +struct old_fpu { + unsigned int last_cpu; + unsigned char initialized; + long: 24; + long: 64; + long: 64; + long: 64; + long: 64; + long: 64; + long: 64; + long: 64; + union fpregs_state state; +}; +#endif + +SEC("tracepoint/x86_fpu/x86_fpu_regs_deactivated") +int tracepoint__x86_fpu_regs_deactivated(struct trace_event_raw_x86_fpu *ctx) +{ + if (gadget_should_discard_data_current()) { + return 0; + } + + u64 mntns_id; + mntns_id = gadget_get_current_mntns_id(); + struct mntns_cache *cache; + cache = bpf_map_lookup_elem(&mntns_event_count, &mntns_id); + + u64 now = bpf_ktime_get_ns(); + + if (!cache) { + // First event for this mntns. Create a new entry. + struct mntns_cache new_cache = {}; + new_cache.timestamp = now; + new_cache.events_count = 1; + new_cache.alerted = false; + bpf_map_update_elem(&mntns_event_count, &mntns_id, &new_cache, BPF_ANY); + return 0; // Don't send an event yet + } + + // If we have already sent an alert for this mntns, do nothing. + if (cache->alerted) { + return 0; + } + + // Check if the last event was too long ago and reset if necessary. + if (now - cache->timestamp > MAX_NS_BETWEEN_EVENTS) { + cache->timestamp = now; + cache->events_count = 1; + bpf_map_update_elem(&mntns_event_count, &mntns_id, cache, BPF_ANY); + return 0; // Don't send an event yet + } + + // Increment the count. Using bpf_map_update_elem is not atomic, but for + // this use case (a single CPU tracepoint), it's safe. + cache->events_count++; + cache->timestamp = now; // Update timestamp with the latest event + + // Check if we have seen enough events + if (cache->events_count <= TARGET_RANDOMX_EVENTS_COUNT) { + // Not enough events yet, just update the map and exit. + bpf_map_update_elem(&mntns_event_count, &mntns_id, cache, BPF_ANY); + return 0; + } + + // --- Threshold has been reached! --- + // We only reach this point ONCE per mntns. + + // Mark as alerted to prevent sending more events for this mntns. + cache->alerted = true; + bpf_map_update_elem(&mntns_event_count, &mntns_id, cache, BPF_ANY); + + struct event *event; + event = gadget_reserve_buf(&events, sizeof(*event)); + if (!event) { + return 0; + } + + // Populate the event with data. This code is the same as before. + gadget_process_populate(&event->proc); + + void *fpu = BPF_CORE_READ(ctx, fpu); + if (fpu == NULL) { + gadget_discard_buf(event); + return 0; + } + + u32 mxcsr; + if(LINUX_KERNEL_VERSION <= KERNEL_VERSION(5, 15, 0)) { + bpf_probe_read_kernel(&mxcsr, sizeof(mxcsr), &((struct old_fpu*)fpu)->state.xsave.i387.mxcsr); + } else { + mxcsr = BPF_CORE_READ((struct fpu*)fpu, fpstate, regs.xsave.i387.mxcsr); + } + + int fpcr = (mxcsr & 0x6000) >> 13; + if (fpcr != 0) { + event->upper_layer = has_upper_layer(); + read_exe_path(event->exepath, sizeof(event->exepath)); + + event->timestamp_raw = bpf_ktime_get_boot_ns(); + + gadget_submit_buf(ctx, &events, event, sizeof(*event)); + } else { + gadget_discard_buf(event); + } + + return 0; +} + +char LICENSE[] SEC("license") = "GPL"; + +#endif // defined(__TARGET_ARCH_x86) + + */ \ No newline at end of file diff --git a/pkg/objectcache/applicationprofilecache/applicationprofilecache.go b/pkg/objectcache/applicationprofilecache/applicationprofilecache.go index c159ee8675..59686128c7 100644 --- a/pkg/objectcache/applicationprofilecache/applicationprofilecache.go +++ b/pkg/objectcache/applicationprofilecache/applicationprofilecache.go @@ -2,6 +2,7 @@ package applicationprofilecache import ( "context" + "errors" "fmt" "strings" "sync" @@ -18,6 +19,8 @@ import ( "github.com/kubescape/node-agent/pkg/objectcache" "github.com/kubescape/node-agent/pkg/objectcache/applicationprofilecache/callstackcache" "github.com/kubescape/node-agent/pkg/resourcelocks" + "github.com/kubescape/node-agent/pkg/signature" + "github.com/kubescape/node-agent/pkg/signature/profiles" "github.com/kubescape/node-agent/pkg/storage" "github.com/kubescape/node-agent/pkg/utils" "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" @@ -244,6 +247,12 @@ func (apc *ApplicationProfileCacheImpl) updateAllProfiles(ctx context.Context) { continue } + // Verify signature if enabled + if err := apc.verifyApplicationProfile(fullProfile, workloadID, "profile", true); err != nil { + // Continue to next profile as per requirements: skip on verification failure + continue + } + apc.workloadIDToProfile.Set(workloadID, fullProfile) logger.L().Debug("updated profile in cache", helpers.String("workloadID", workloadID), @@ -265,6 +274,52 @@ func (apc *ApplicationProfileCacheImpl) updateAllProfiles(ctx context.Context) { } } +// verifyApplicationProfile verifies the profile signature if verification is enabled. +// Returns error if verification fails, nil otherwise (including when verification is disabled). +// Also updates profileState with error details if verification fails. +func (apc *ApplicationProfileCacheImpl) verifyApplicationProfile(profile *v1beta1.ApplicationProfile, workloadID, context string, recordFailure bool) error { + if !apc.cfg.EnableSignatureVerification { + return nil + } + profileAdapter := profiles.NewApplicationProfileAdapter(profile) + if err := signature.VerifyObject(profileAdapter); err != nil { + // Only warn if signature exists but doesn't match; missing signatures are debug + if errors.Is(err, signature.ErrObjectNotSigned) { + logger.L().Debug(context+" is not signed, skipping", + helpers.String("profile", profile.Name), + helpers.String("namespace", profile.Namespace), + helpers.String("workloadID", workloadID)) + } else { + logger.L().Warning(context+" signature verification failed, skipping", + helpers.String("profile", profile.Name), + helpers.String("namespace", profile.Namespace), + helpers.String("workloadID", workloadID), + helpers.Error(err)) + } + + // Update profile state with verification error + if recordFailure { + apc.setVerificationFailed(workloadID, profile.Name, err) + } + + return err + } + logger.L().Debug(context+" verification successful", + helpers.String("profile", profile.Name), + helpers.String("namespace", profile.Namespace)) + return nil +} + +func (apc *ApplicationProfileCacheImpl) setVerificationFailed(workloadID, profileName string, err error) { + profileState := &objectcache.ProfileState{ + Completion: "failed", + Status: "verification-failed", + Name: profileName, + Error: err, + } + apc.workloadIDToProfileState.Set(workloadID, profileState) +} + // handleUserManagedProfile handles user-managed profiles func (apc *ApplicationProfileCacheImpl) handleUserManagedProfile(profile *v1beta1.ApplicationProfile) { normalizedProfileName := strings.TrimPrefix(profile.Name, helpersv1.UserApplicationProfilePrefix) @@ -314,6 +369,11 @@ func (apc *ApplicationProfileCacheImpl) handleUserManagedProfile(profile *v1beta return } + // Verify signature if enabled + if err := apc.verifyApplicationProfile(fullUserProfile, toMerge.wlid, "user-managed profile", false); err != nil { + return + } + // Merge the user-managed profile with the normal profile // First, pull the original profile from the storage @@ -533,6 +593,18 @@ func (apc *ApplicationProfileCacheImpl) addContainer(container *containercollect apc.workloadIDToProfileState.Set(workloadID, profileState) return nil } + + // Verify signature if enabled + if err := apc.verifyApplicationProfile(fullProfile, workloadID, "user-defined profile", false); err != nil { + // Update the profile state to indicate an error + profileState := &objectcache.ProfileState{ + Error: fmt.Errorf("signature verification failed: %w", err), + } + apc.workloadIDToProfileState.Set(workloadID, profileState) + // Skip caching the unverified profile + return nil + } + // Update the profile in the cache apc.workloadIDToProfile.Set(workloadID, fullProfile) logger.L().Debug("added user-defined profile to cache", diff --git a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go b/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go index 425f44c1da..394bb44852 100644 --- a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go +++ b/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go @@ -17,6 +17,8 @@ import ( "github.com/kubescape/node-agent/pkg/config" "github.com/kubescape/node-agent/pkg/objectcache" "github.com/kubescape/node-agent/pkg/resourcelocks" + "github.com/kubescape/node-agent/pkg/signature" + "github.com/kubescape/node-agent/pkg/signature/profiles" "github.com/kubescape/node-agent/pkg/storage" "github.com/kubescape/node-agent/pkg/utils" "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" @@ -246,6 +248,21 @@ func (nnc *NetworkNeighborhoodCacheImpl) updateAllNetworkNeighborhoods(ctx conte continue } + // Verify signature if enabled + if nnc.cfg.EnableSignatureVerification { + adapter := profiles.NewNetworkNeighborhoodAdapter(fullNN) + if err := signature.VerifyObjectStrict(adapter); err != nil { + logger.L().Warning("network neighborhood signature verification failed, skipping", + helpers.String("workloadID", workloadID), + helpers.String("namespace", namespace), + helpers.String("name", fullNN.Name), + helpers.Error(err)) + profileState.Error = fmt.Errorf("signature verification failed: %w", err) + nnc.workloadIDToProfileState.Set(workloadID, profileState) + continue + } + } + nnc.workloadIDToNetworkNeighborhood.Set(workloadID, fullNN) logger.L().Debug("updated network neighborhood in cache", helpers.String("workloadID", workloadID), @@ -316,8 +333,62 @@ func (nnc *NetworkNeighborhoodCacheImpl) handleUserManagedNetworkNeighborhood(nn helpers.Error(err)) return } + + // Verify signature on the original network neighborhood before merging + if nnc.cfg.EnableSignatureVerification { + adapter := profiles.NewNetworkNeighborhoodAdapter(originalNN) + if err := signature.VerifyObjectStrict(adapter); err != nil { + logger.L().Warning("original network neighborhood signature verification failed, skipping merge", + helpers.String("workloadID", toMerge.wlid), + helpers.String("namespace", originalNN.Namespace), + helpers.String("name", originalNN.Name), + helpers.Error(err)) + profileState := &objectcache.ProfileState{ + Completion: originalNN.Annotations[helpersv1.CompletionMetadataKey], + Status: originalNN.Annotations[helpersv1.StatusMetadataKey], + Name: originalNN.Name, + Error: fmt.Errorf("signature verification failed: %w", err), + } + nnc.workloadIDToProfileState.Set(toMerge.wlid, profileState) + // Evict stale merged profile from cache on verification failure + nnc.workloadIDToNetworkNeighborhood.Delete(toMerge.wlid) + return + } + } + + // Verify signature on the user-managed network neighborhood before merging + if nnc.cfg.EnableSignatureVerification { + adapter := profiles.NewNetworkNeighborhoodAdapter(fullUserNN) + if err := signature.VerifyObjectStrict(adapter); err != nil { + logger.L().Warning("user-managed network neighborhood signature verification failed, skipping merge", + helpers.String("workloadID", toMerge.wlid), + helpers.String("namespace", fullUserNN.Namespace), + helpers.String("name", fullUserNN.Name), + helpers.Error(err)) + profileState := &objectcache.ProfileState{ + Completion: fullUserNN.Annotations[helpersv1.CompletionMetadataKey], + Status: fullUserNN.Annotations[helpersv1.StatusMetadataKey], + Name: fullUserNN.Name, + Error: fmt.Errorf("signature verification failed: %w", err), + } + nnc.workloadIDToProfileState.Set(toMerge.wlid, profileState) + // Restore cache to originalNN on user-managed verification failure + nnc.workloadIDToNetworkNeighborhood.Set(toMerge.wlid, originalNN) + return + } + } + // Merge the network neighborhoods mergedNN := nnc.performMerge(originalNN, fullUserNN) + + // Clear stale signature annotations after merge + delete(mergedNN.Annotations, signature.AnnotationSignature) + delete(mergedNN.Annotations, signature.AnnotationCertificate) + delete(mergedNN.Annotations, signature.AnnotationRekorBundle) + delete(mergedNN.Annotations, signature.AnnotationIssuer) + delete(mergedNN.Annotations, signature.AnnotationIdentity) + delete(mergedNN.Annotations, signature.AnnotationTimestamp) + // Update the cache with the merged network neighborhood nnc.workloadIDToNetworkNeighborhood.Set(toMerge.wlid, mergedNN) // Update profile state for the merged profile diff --git a/pkg/rulemanager/ruleswatcher/watcher.go b/pkg/rulemanager/ruleswatcher/watcher.go index 45782beb23..9d4c4b003e 100644 --- a/pkg/rulemanager/ruleswatcher/watcher.go +++ b/pkg/rulemanager/ruleswatcher/watcher.go @@ -2,14 +2,18 @@ package ruleswatcher import ( "context" + "errors" "os" "github.com/Masterminds/semver/v3" "github.com/kubescape/go-logger" "github.com/kubescape/go-logger/helpers" + "github.com/kubescape/node-agent/pkg/config" "github.com/kubescape/node-agent/pkg/k8sclient" "github.com/kubescape/node-agent/pkg/rulemanager/rulecreator" typesv1 "github.com/kubescape/node-agent/pkg/rulemanager/types/v1" + "github.com/kubescape/node-agent/pkg/signature" + "github.com/kubescape/node-agent/pkg/signature/profiles" "github.com/kubescape/node-agent/pkg/watcher" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" @@ -22,14 +26,16 @@ var _ RulesWatcher = (*RulesWatcherImpl)(nil) type RulesWatcherImpl struct { ruleCreator rulecreator.RuleCreator k8sClient k8sclient.K8sClientInterface + cfg *config.Config callback RulesWatcherCallback watchResources []watcher.WatchResource } -func NewRulesWatcher(k8sClient k8sclient.K8sClientInterface, ruleCreator rulecreator.RuleCreator, callback RulesWatcherCallback) *RulesWatcherImpl { +func NewRulesWatcher(k8sClient k8sclient.K8sClientInterface, ruleCreator rulecreator.RuleCreator, callback RulesWatcherCallback, cfg *config.Config) *RulesWatcherImpl { return &RulesWatcherImpl{ ruleCreator: ruleCreator, k8sClient: k8sClient, + cfg: cfg, callback: callback, watchResources: []watcher.WatchResource{ watcher.NewWatchResource(typesv1.RuleGvr, metav1.ListOptions{}), @@ -71,7 +77,8 @@ func (w *RulesWatcherImpl) syncAllRulesAndNotify(ctx context.Context) { // syncAllRulesFromCluster fetches all rules from the cluster and syncs them with the rule creator. // Rules are filtered by: // 1. Enabled status - only enabled rules are considered -// 2. Agent version compatibility - rules with AgentVersionRequirement are checked against AGENT_VERSION env var using semver +// 2. Signature verification - if enabled, verifies rules have valid signatures +// 3. Agent version compatibility - rules with AgentVersionRequirement are checked against AGENT_VERSION env var using semver func (w *RulesWatcherImpl) syncAllRulesFromCluster(ctx context.Context) error { unstructuredList, err := w.k8sClient.GetDynamicClient().Resource(typesv1.RuleGvr).List(ctx, metav1.ListOptions{}) if err != nil { @@ -80,12 +87,20 @@ func (w *RulesWatcherImpl) syncAllRulesFromCluster(ctx context.Context) error { var enabledRules []typesv1.Rule var skippedVersionCount int + var skippedVerificationCount int for _, item := range unstructuredList.Items { rules, err := unstructuredToRules(&item) if err != nil { logger.L().Warning("RulesWatcher - failed to convert rule during sync", helpers.Error(err)) continue } + + // Verify signature if enabled + if err := w.verifyRules(rules); err != nil { + skippedVerificationCount++ + continue + } + for _, rule := range rules.Spec.Rules { if rule.Enabled { // Check agent version requirement if specified @@ -109,7 +124,8 @@ func (w *RulesWatcherImpl) syncAllRulesFromCluster(ctx context.Context) error { logger.L().Info("RulesWatcher - synced rules from cluster", helpers.Int("enabledRules", len(enabledRules)), helpers.Int("totalRules", len(unstructuredList.Items)), - helpers.Int("skippedByVersion", skippedVersionCount)) + helpers.Int("skippedByVersion", skippedVersionCount), + helpers.Int("skippedByVerification", skippedVerificationCount)) return nil } @@ -126,6 +142,30 @@ func unstructuredToRules(obj *unstructured.Unstructured) (*typesv1.Rules, error) return rule, nil } +func (w *RulesWatcherImpl) verifyRules(rules *typesv1.Rules) error { + if w.cfg == nil || !w.cfg.EnableSignatureVerification { + return nil + } + rulesAdapter := profiles.NewRulesAdapter(rules) + if err := signature.VerifyObject(rulesAdapter); err != nil { + if errors.Is(err, signature.ErrObjectNotSigned) { + logger.L().Debug("Rules resource is not signed, skipping", + helpers.String("name", rules.Name), + helpers.String("namespace", rules.Namespace)) + } else { + logger.L().Warning("Rules resource signature verification failed", + helpers.String("name", rules.Name), + helpers.String("namespace", rules.Namespace), + helpers.Error(err)) + } + return err + } + logger.L().Debug("Rules resource signature verification successful", + helpers.String("name", rules.Name), + helpers.String("namespace", rules.Namespace)) + return nil +} + // isAgentVersionCompatible checks if the current agent version satisfies the given requirement // using semantic versioning constraints. Returns true if compatible, false otherwise. func isAgentVersionCompatible(requirement string) bool { diff --git a/pkg/signature/annotations.go b/pkg/signature/annotations.go new file mode 100644 index 0000000000..8df333d21e --- /dev/null +++ b/pkg/signature/annotations.go @@ -0,0 +1,16 @@ +package signature + +import "errors" + +const ( + AnnotationPrefix = "signature.kubescape.io" + + AnnotationSignature = AnnotationPrefix + "/signature" + AnnotationCertificate = AnnotationPrefix + "/certificate" + AnnotationRekorBundle = AnnotationPrefix + "/rekor-bundle" + AnnotationIssuer = AnnotationPrefix + "/issuer" + AnnotationIdentity = AnnotationPrefix + "/identity" + AnnotationTimestamp = AnnotationPrefix + "/timestamp" +) + +var ErrObjectNotSigned = errors.New("object is not signed (missing signature annotation)") diff --git a/pkg/signature/cluster_flow_test.go b/pkg/signature/cluster_flow_test.go new file mode 100644 index 0000000000..23dfe89580 --- /dev/null +++ b/pkg/signature/cluster_flow_test.go @@ -0,0 +1,150 @@ +package signature + +import ( + "bytes" + "crypto" + "crypto/ecdsa" + "crypto/elliptic" + "crypto/rand" + "crypto/x509" + "crypto/x509/pkix" + "encoding/pem" + "math/big" + "testing" + "time" + + sigstore_signature "github.com/sigstore/sigstore/pkg/signature" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + + "github.com/kubescape/node-agent/pkg/signature/profiles" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" +) + +func TestClusterProfileStructure(t *testing.T) { + // Simulate a cluster profile with empty TypeMeta (like from cluster) + profile := &v1beta1.ApplicationProfile{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "", + Kind: "", + }, + } + profile.Name = "test-signed" + profile.Namespace = "default" + + adapter := profiles.NewApplicationProfileAdapter(profile) + content := adapter.GetContent() + + if m, ok := content.(map[string]interface{}); ok { + t.Logf("apiVersion: %v (type: %T)", m["apiVersion"], m["apiVersion"]) + t.Logf("kind: %v (type: %T)", m["kind"], m["kind"]) + + // Verify fallback values are applied + if m["apiVersion"] != "spdx.softwarecomposition.kubescape.io/v1beta1" { + t.Errorf("Expected fallback apiVersion, got %s", m["apiVersion"]) + } + if m["kind"] != "ApplicationProfile" { + t.Errorf("Expected fallback kind, got %s", m["kind"]) + } + } else { + t.Errorf("Expected map, got %T", content) + } +} + +func TestReproduceClusterVerificationFlow(t *testing.T) { + // Simulate the exact scenario from the cluster + profile := &v1beta1.ApplicationProfile{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "", + Kind: "", + }, + } + profile.Name = "replicaset-nginx2-5bffdcc777-signed" + profile.Namespace = "default" + profile.Labels = map[string]string{ + "kubescape.io/instance-template-hash": "5bffdcc777", + "kubescape.io/workload-api-group": "apps", + "kubescape.io/workload-api-version": "v1", + "kubescape.io/workload-kind": "Deployment", + "kubescape.io/workload-name": "nginx2", + "kubescape.io/workload-namespace": "default", + "kubescape.io/workload-resource-version": "15471", + } + + adapter := profiles.NewApplicationProfileAdapter(profile) + + // Calculate hash + cosignAdapter := &CosignAdapter{} + hash, err := cosignAdapter.GetContentHash(adapter.GetContent()) + if err != nil { + t.Fatalf("Failed to compute hash: %v", err) + } + + t.Logf("Computed hash: %s", hash) + + // Generate a key and sign + privKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) + if err != nil { + t.Fatalf("Failed to generate key: %v", err) + } + signer, err := sigstore_signature.LoadECDSASigner(privKey, crypto.SHA256) + if err != nil { + t.Fatalf("Failed to load signer: %v", err) + } + + sig, err := signer.SignMessage(bytes.NewReader([]byte(hash))) + if err != nil { + t.Fatalf("Failed to sign message: %v", err) + } + certBytes, err := generateTestCertificate(privKey) + if err != nil { + t.Fatalf("Failed to generate test certificate: %v", err) + } + + // Use the package-level annotation flow + sigObj := &Signature{ + Signature: sig, + Certificate: certBytes, + Timestamp: time.Now().Unix(), + } + annotations, err := cosignAdapter.EncodeSignatureToAnnotations(sigObj) + if err != nil { + t.Fatalf("Failed to encode signature to annotations: %v", err) + } + adapter.SetAnnotations(annotations) + + // Now verify using the higher-level flow + err = VerifyObjectAllowUntrusted(adapter) + if err != nil { + t.Fatalf("VerifyObjectAllowUntrusted failed: %v", err) + } +} + +func generateTestCertificate(privKey *ecdsa.PrivateKey) ([]byte, error) { + serialNumber, err := rand.Int(rand.Reader, new(big.Int).Lsh(big.NewInt(1), 128)) + if err != nil { + return nil, err + } + + template := x509.Certificate{ + SerialNumber: serialNumber, + Subject: pkix.Name{ + CommonName: "test-signer", + }, + NotBefore: time.Now(), + NotAfter: time.Now().Add(365 * 24 * time.Hour), + KeyUsage: x509.KeyUsageDigitalSignature, + ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageCodeSigning}, + } + + certDER, err := x509.CreateCertificate(rand.Reader, &template, &template, &privKey.PublicKey, privKey) + if err != nil { + return nil, err + } + + certPEM := pem.EncodeToMemory(&pem.Block{ + Type: "CERTIFICATE", + Bytes: certDER, + }) + + return certPEM, nil +} diff --git a/pkg/signature/cluster_scenario_test.go b/pkg/signature/cluster_scenario_test.go new file mode 100644 index 0000000000..b26813d6d2 --- /dev/null +++ b/pkg/signature/cluster_scenario_test.go @@ -0,0 +1,88 @@ +package signature + +import ( + "testing" + + "github.com/kubescape/node-agent/pkg/signature/profiles" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +// This test replicates the exact scenario from the production cluster where: +// 1. Profiles are loaded from the cluster with empty TypeMeta (APIVersion="", Kind="") +// 2. The adapter's GetContent() should fill in the correct fallback values +// 3. Signatures created and verified using these profiles should succeed + +func TestClusterScenarioIntegration(t *testing.T) { + // Simulate a profile as it comes from the cluster (empty TypeMeta) + clusterProfile := &v1beta1.ApplicationProfile{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "", + Kind: "", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "replicaset-test-workload-123456789", + Namespace: "default", + Labels: map[string]string{ + "kubescape.io/instance-template-hash": "123456789", + "kubescape.io/workload-kind": "Deployment", + "kubescape.io/workload-name": "test-workload", + "kubescape.io/workload-namespace": "default", + }, + }, + } + + // Create adapter + adapter := profiles.NewApplicationProfileAdapter(clusterProfile) + + // Verify GetContent() populates TypeMeta correctly + content := adapter.GetContent() + contentMap, ok := content.(map[string]interface{}) + if !ok { + t.Fatalf("GetContent() should return map[string]interface{}, got %T", content) + } + + // Check that fallback values are applied + if contentMap["apiVersion"] != "spdx.softwarecomposition.kubescape.io/v1beta1" { + t.Errorf("Expected apiVersion fallback to be applied, got: %v", contentMap["apiVersion"]) + } + if contentMap["kind"] != "ApplicationProfile" { + t.Errorf("Expected kind fallback to be applied, got: %v", contentMap["kind"]) + } + + // Verify metadata is correctly structured + metadata, ok := contentMap["metadata"].(map[string]interface{}) + if !ok { + t.Fatal("metadata should be a map[string]interface{}") + } + + if metadata["name"] != clusterProfile.Name { + t.Errorf("Expected metadata.name=%s, got %v", clusterProfile.Name, metadata["name"]) + } + if metadata["namespace"] != clusterProfile.Namespace { + t.Errorf("Expected metadata.namespace=%s, got %v", clusterProfile.Namespace, metadata["namespace"]) + } + if metadata["labels"] == nil { + t.Error("metadata.labels should not be nil") + } + + // Now verify that signing and verification work end-to-end + if err := SignObjectDisableKeyless(adapter); err != nil { + t.Fatalf("Failed to sign object: %v", err) + } + + if clusterProfile.Annotations == nil { + t.Fatal("Annotations should be set after signing") + } + + if _, ok := clusterProfile.Annotations[AnnotationSignature]; !ok { + t.Error("Signature annotation should be set after signing") + } + + // Verify the signature + if err := VerifyObjectAllowUntrusted(adapter); err != nil { + t.Fatalf("Failed to verify object: %v", err) + } + + t.Log("✓ Cluster scenario integration test passed: profile with empty TypeMeta successfully signed and verified") +} diff --git a/pkg/signature/cosign_adapter.go b/pkg/signature/cosign_adapter.go new file mode 100644 index 0000000000..b78d8920ab --- /dev/null +++ b/pkg/signature/cosign_adapter.go @@ -0,0 +1,572 @@ +package signature + +import ( + "bytes" + "crypto" + "crypto/ecdsa" + "crypto/elliptic" + "crypto/rand" + "crypto/x509" + "crypto/x509/pkix" + "encoding/base64" + "encoding/json" + "encoding/pem" + "fmt" + "math/big" + "net/url" + "strconv" + "time" + + "context" + "github.com/golang-jwt/jwt/v5" + "github.com/kubescape/storage/pkg/utils" + "github.com/sigstore/cosign/v3/pkg/cosign" + "github.com/sigstore/cosign/v3/pkg/cosign/bundle" + "github.com/sigstore/cosign/v3/pkg/providers" + _ "github.com/sigstore/cosign/v3/pkg/providers/all" + "github.com/sigstore/fulcio/pkg/api" + "github.com/sigstore/rekor/pkg/generated/client" + "github.com/sigstore/rekor/pkg/generated/models" + "github.com/sigstore/sigstore/pkg/cryptoutils" + "github.com/sigstore/sigstore/pkg/fulcioroots" + "github.com/sigstore/sigstore/pkg/oauthflow" + sigstore_signature "github.com/sigstore/sigstore/pkg/signature" +) + +var _ = cosign.Signature +var _ = providers.Enabled +var _ = bundle.RekorBundle{} +var _ = api.CertificateRequest{} +var _ = client.Rekor{} +var _ = models.LogEntry{} +var _ = fulcioroots.Get +var _ = oauthflow.OIDConnect +var _ = oauthflow.DefaultIDTokenGetter + +const ( + sigstoreIssuer = "https://token.actions.githubusercontent.com" + sigstoreOIDC = "kubernetes.io" + fulcioURL = "https://fulcio.sigstore.dev" + rekorURL = "https://rekor.sigstore.dev" +) + +type CosignAdapter struct { + privateKey *ecdsa.PrivateKey + signer sigstore_signature.Signer + verifier sigstore_signature.Verifier + useKeyless bool + tokenProvider func(ctx context.Context) (string, error) +} + +func NewCosignAdapter(useKeyless bool) (*CosignAdapter, error) { + if useKeyless { + return &CosignAdapter{ + useKeyless: true, + }, nil + } + + privateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) + if err != nil { + return nil, fmt.Errorf("failed to generate private key: %w", err) + } + + signer, err := sigstore_signature.LoadECDSASigner(privateKey, crypto.SHA256) + if err != nil { + return nil, fmt.Errorf("failed to load ECDSA signer: %w", err) + } + + verifier, err := sigstore_signature.LoadECDSAVerifier(&privateKey.PublicKey, crypto.SHA256) + if err != nil { + return nil, fmt.Errorf("failed to load ECDSA verifier: %w", err) + } + + return &CosignAdapter{ + privateKey: privateKey, + signer: signer, + verifier: verifier, + useKeyless: false, + }, nil +} + +func NewCosignAdapterWithPrivateKey(useKeyless bool, privateKey *ecdsa.PrivateKey) (*CosignAdapter, error) { + if privateKey == nil { + return nil, fmt.Errorf("private key cannot be nil") + } + + signer, err := sigstore_signature.LoadECDSASigner(privateKey, crypto.SHA256) + if err != nil { + return nil, fmt.Errorf("failed to load ECDSA signer: %w", err) + } + + verifier, err := sigstore_signature.LoadECDSAVerifier(&privateKey.PublicKey, crypto.SHA256) + if err != nil { + return nil, fmt.Errorf("failed to load ECDSA verifier: %w", err) + } + + return &CosignAdapter{ + privateKey: privateKey, + signer: signer, + verifier: verifier, + useKeyless: useKeyless, + }, nil +} + +func (c *CosignAdapter) SignData(data []byte) (*Signature, error) { + if c.useKeyless { + return c.signKeyless(data) + } + + return c.signWithKey(data) +} + +func (c *CosignAdapter) SetTokenProvider(provider func(context.Context) (string, error)) { + c.tokenProvider = provider +} + +func (c *CosignAdapter) signKeyless(data []byte) (*Signature, error) { + ctx := context.Background() + + var tok string + var err error + var identity string + var issuer string + + // 1. Get OIDC Token + if c.tokenProvider != nil { + tok, err = c.tokenProvider(ctx) + if err != nil { + return nil, fmt.Errorf("failed to provide OIDC token from provider: %w", err) + } + } else if providers.Enabled(ctx) { + tok, err = providers.Provide(ctx, "sigstore") + if err != nil { + return nil, fmt.Errorf("failed to provide OIDC token: %w", err) + } + } + + if tok != "" { + // Extract "sub" and "iss" from the JWT token + parser := jwt.NewParser() + token, _, err := parser.ParseUnverified(tok, jwt.MapClaims{}) + if err != nil { + return nil, fmt.Errorf("failed to parse OIDC token: %w", err) + } + + claims, ok := token.Claims.(jwt.MapClaims) + if !ok { + return nil, fmt.Errorf("failed to get claims from OIDC token") + } + + sub, ok := claims["sub"].(string) + if !ok { + return nil, fmt.Errorf("failed to get 'sub' claim from OIDC token") + } + identity = sub + + iss, ok := claims["iss"].(string) + if !ok { + return nil, fmt.Errorf("failed to get 'iss' claim from OIDC token") + } + issuer = iss + } else { + // Fallback to interactive flow if not in CI and no provider + fmt.Println("No OIDC provider enabled (CI). Falling back to interactive flow...") + // Sigstore's default issuer and client ID + issuerURL := "https://oauth2.sigstore.dev/auth" + clientID := "sigstore" + // This will open a browser window for authentication + oidcToken, err := oauthflow.OIDConnect(issuerURL, clientID, "", "", oauthflow.DefaultIDTokenGetter) + if err != nil { + return nil, fmt.Errorf("failed to get interactive OIDC token: %w", err) + } + tok = oidcToken.RawString + identity = oidcToken.Subject + issuer = issuerURL + } + _ = tok + + // 2. Generate Ephemeral Key Pair + privKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) + if err != nil { + return nil, fmt.Errorf("failed to generate ephemeral key: %w", err) + } + signer, err := sigstore_signature.LoadECDSASigner(privKey, crypto.SHA256) + if err != nil { + return nil, fmt.Errorf("failed to load ephemeral signer: %w", err) + } + + // 3. Get Certificate from Fulcio using the real client + certBytes, err := c.getFulcioCertificate(ctx, privKey, identity, tok) + if err != nil { + return nil, fmt.Errorf("failed to get certificate from Fulcio: %w", err) + } + + // 4. Sign Data + sig, err := signer.SignMessage(bytes.NewReader(data)) + if err != nil { + return nil, fmt.Errorf("failed to sign data: %w", err) + } + + // 5. Upload to Rekor (Placeholder for real upload) + // rekorClient, _ := rekor.GetByProxy(rekorURL) + // entry, _ := cosign.TLogUpload(ctx, rekorClient, sig, certBytes, data) + + return &Signature{ + Signature: sig, + Certificate: certBytes, + Issuer: issuer, + Identity: identity, + Timestamp: time.Now().Unix(), + }, nil +} + +func (c *CosignAdapter) simulateKeyless(data []byte) (*Signature, error) { + return nil, fmt.Errorf("simulateKeyless is deprecated, use real keyless signing") +} + +func (c *CosignAdapter) signWithKey(data []byte) (*Signature, error) { + sig, err := c.signer.SignMessage(bytes.NewReader(data)) + if err != nil { + return nil, fmt.Errorf("failed to sign message: %w", err) + } + + certBytes, err := c.generateCertificate(c.privateKey, "local-key", "local") + if err != nil { + return nil, fmt.Errorf("failed to generate certificate: %w", err) + } + + sigObj := &Signature{ + Signature: sig, + Certificate: certBytes, + Issuer: "local", + Identity: "local-key", + Timestamp: time.Now().Unix(), + } + + return sigObj, nil +} + +func (c *CosignAdapter) getFulcioCertificate(ctx context.Context, privKey *ecdsa.PrivateKey, identity, oidcToken string) ([]byte, error) { + // Parse Fulcio URL + fulcioAddr, err := url.Parse(fulcioURL) + if err != nil { + return nil, fmt.Errorf("failed to parse Fulcio URL: %w", err) + } + + // Create Fulcio client + fulcioClient := api.NewClient(fulcioAddr) + + // Marshal public key to ASN.1 DER format + pubKeyBytes, err := x509.MarshalPKIXPublicKey(&privKey.PublicKey) + if err != nil { + return nil, fmt.Errorf("failed to marshal public key: %w", err) + } + + // Create CertificateRequest with the public key + certReq := api.CertificateRequest{ + PublicKey: api.Key{ + Content: pubKeyBytes, + Algorithm: "ecdsa", + }, + } + + // We need to prove possession of the OIDC token's identity by signing the identity + // Fulcio expects a signature over the identity (e.g. email or subject) + proof, err := c.ecdsaSign(privKey, []byte(identity)) + if err != nil { + return nil, fmt.Errorf("failed to sign identity for proof: %w", err) + } + certReq.SignedEmailAddress = proof + + // Call Fulcio API to get certificate + certResp, err := fulcioClient.SigningCert(certReq, oidcToken) + if err != nil { + return nil, fmt.Errorf("Fulcio SigningCert failed: %w", err) + } + + return certResp.CertPEM, nil +} + +func (c *CosignAdapter) generateCertificate(privKey *ecdsa.PrivateKey, identity, issuer string) ([]byte, error) { + serialNumber, err := rand.Int(rand.Reader, new(big.Int).Lsh(big.NewInt(1), 128)) + if err != nil { + return nil, fmt.Errorf("failed to generate serial number: %w", err) + } + + template := x509.Certificate{ + SerialNumber: serialNumber, + Subject: pkix.Name{ + CommonName: identity, + }, + NotBefore: time.Now(), + NotAfter: time.Now().Add(365 * 24 * time.Hour), + KeyUsage: x509.KeyUsageDigitalSignature, + ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageCodeSigning}, + BasicConstraintsValid: true, + } + + certDER, err := x509.CreateCertificate(rand.Reader, &template, &template, &privKey.PublicKey, privKey) + if err != nil { + return nil, fmt.Errorf("failed to create certificate: %w", err) + } + + certPEM := pem.EncodeToMemory(&pem.Block{ + Type: "CERTIFICATE", + Bytes: certDER, + }) + + return certPEM, nil +} + +func (c *CosignAdapter) ecdsaSign(privKey *ecdsa.PrivateKey, data []byte) ([]byte, error) { + signer, err := sigstore_signature.LoadECDSASigner(privKey, crypto.SHA256) + if err != nil { + return nil, err + } + return signer.SignMessage(bytes.NewReader(data)) +} + +func (c *CosignAdapter) GetPrivateKeyPEM() ([]byte, error) { + if c.privateKey == nil { + return nil, fmt.Errorf("no private key available") + } + + derBytes, err := x509.MarshalECPrivateKey(c.privateKey) + if err != nil { + return nil, fmt.Errorf("failed to marshal private key: %w", err) + } + + block := &pem.Block{ + Type: "EC PRIVATE KEY", + Bytes: derBytes, + } + + return pem.EncodeToMemory(block), nil +} + +func (c *CosignAdapter) GetPublicKeyPEM() ([]byte, error) { + if c.privateKey == nil { + return nil, fmt.Errorf("no private key available") + } + + pubKeyBytes, err := cryptoutils.MarshalPublicKeyToPEM(&c.privateKey.PublicKey) + if err != nil { + return nil, fmt.Errorf("failed to marshal public key: %w", err) + } + + return pubKeyBytes, nil +} + +func (c *CosignAdapter) VerifyData(data []byte, sig *Signature, allowUntrusted bool) error { + if sig == nil { + return fmt.Errorf("VerifyData: Signature value is nil") + } + if len(sig.Certificate) == 0 { + return fmt.Errorf("VerifyData: Signature.Certificate is empty") + } + + var verifier sigstore_signature.Verifier + var err error + + // If we have a certificate, it could be a keyless signature (Fulcio) or a key-based signature with a cert. + // For keyless, we should ideally verify the certificate chain and Rekor bundle. + // For now, we continue to support the simplified verification but using sigstore's abstractions. + + block, _ := pem.Decode(sig.Certificate) + if block != nil && block.Type == "CERTIFICATE" { + var cert *x509.Certificate + cert, err = x509.ParseCertificate(block.Bytes) + if err != nil { + return fmt.Errorf("failed to parse certificate: %w", err) + } + + if !allowUntrusted { + if cert.IsCA { + return fmt.Errorf("invalid certificate: must not be CA") + } + + // Build and verify the certificate chain + roots, err := fulcioroots.Get() + if err != nil { + return fmt.Errorf("failed to get Fulcio roots: %w", err) + } + opts := x509.VerifyOptions{ + Roots: roots, + KeyUsages: []x509.ExtKeyUsage{ + x509.ExtKeyUsageCodeSigning, + }, + CurrentTime: time.Unix(sig.Timestamp, 0), + } + if _, err := cert.Verify(opts); err != nil { + return fmt.Errorf("failed to verify certificate chain: %w", err) + } + + if time.Unix(sig.Timestamp, 0).Before(cert.NotBefore) || time.Unix(sig.Timestamp, 0).After(cert.NotAfter) { + return fmt.Errorf("certificate was not valid at signing time") + } + + // In a production environment, we would verify the certificate chain here + // against the Fulcio root set and system roots. + // roots, _ := fulcioroots.Get() + // cert.Verify(x509.VerifyOptions{Roots: roots}) + + // Check identity. Fulcio certs store identity in Subject Alternative Name (SAN) + // but many systems still look at CommonName or use specific extensions. + // Sigstore's verify library is usually used for this, but for now we'll check SANs. + foundIdentity := false + if cert.Subject.CommonName == sig.Identity { + foundIdentity = true + } else { + for _, email := range cert.EmailAddresses { + if email == sig.Identity { + foundIdentity = true + break + } + } + if !foundIdentity { + for _, uri := range cert.URIs { + if uri.String() == sig.Identity { + foundIdentity = true + break + } + } + } + } + + if sig.Identity != "" && !foundIdentity { + return fmt.Errorf("identity mismatch: certificate does not match signature identity %q (CN: %q, SANs: %v)", sig.Identity, cert.Subject.CommonName, cert.EmailAddresses) + } + + // Validate Rekor/CT evidence if Rekor bundle is present + if len(sig.RekorBundle) > 0 { + // In a full implementation, we would use cosign.VerifyBundle + // for now we acknowledge its presence for strict verification + } else if sig.Issuer != "local" && sig.Issuer != "" { + // For non-local certificates, we expect a Rekor bundle in strict mode + // But we'll allow it if we are in interactive mode (where Rekor might not be used) + if sig.Issuer != "https://oauth2.sigstore.dev/auth" { + return fmt.Errorf("strict verification failed: missing Rekor bundle for certificate from %q", sig.Issuer) + } + } + } + verifier, err = sigstore_signature.LoadVerifier(cert.PublicKey, crypto.SHA256) + if err != nil { + return fmt.Errorf("failed to load verifier from certificate: %w", err) + } + } else { + // If not a certificate, it must be a public key + if !allowUntrusted { + return fmt.Errorf("untrusted public key rejected: require valid x509 certificate chain") + } + + pubKey, err := cryptoutils.UnmarshalPEMToPublicKey(sig.Certificate) + if err != nil { + // Try parsing as raw DER + pubKey, err = x509.ParsePKIXPublicKey(sig.Certificate) + if err != nil { + return fmt.Errorf("failed to unmarshal public key: %w", err) + } + } + + verifier, err = sigstore_signature.LoadVerifier(pubKey, crypto.SHA256) + if err != nil { + return fmt.Errorf("failed to load verifier: %w", err) + } + } + + if err := verifier.VerifySignature(bytes.NewReader(sig.Signature), bytes.NewReader(data)); err != nil { + return fmt.Errorf("invalid signature: %w", err) + } + + // In a full Cosign implementation, if we have a Rekor bundle, we would verify it here. + // sig.RekorBundle (if added to the Signature struct) could be used with cosign/pkg/cosign.VerifyBundle. + + if c.useKeyless && !allowUntrusted { + if sig.Issuer == "" || sig.Identity == "" { + return fmt.Errorf("keyless signature missing issuer or identity") + } + } + + return nil +} + +func (c *CosignAdapter) GetContentHash(obj interface{}) (string, error) { + data, err := json.Marshal(obj) + if err != nil { + return "", fmt.Errorf("failed to marshal object: %w", err) + } + + hash, err := utils.CanonicalHash(data) + if err != nil { + return "", err + } + + return hash, nil +} + +func (c *CosignAdapter) EncodeSignatureToAnnotations(sig *Signature) (map[string]string, error) { + annotations := make(map[string]string) + + annotations[AnnotationSignature] = base64.StdEncoding.EncodeToString(sig.Signature) + + if len(sig.Certificate) > 0 { + annotations[AnnotationCertificate] = base64.StdEncoding.EncodeToString(sig.Certificate) + } + if len(sig.RekorBundle) > 0 { + annotations[AnnotationRekorBundle] = base64.StdEncoding.EncodeToString(sig.RekorBundle) + } + if sig.Issuer != "" { + annotations[AnnotationIssuer] = sig.Issuer + } + if sig.Identity != "" { + annotations[AnnotationIdentity] = sig.Identity + } + annotations[AnnotationTimestamp] = fmt.Sprintf("%d", sig.Timestamp) + + return annotations, nil +} + +func (c *CosignAdapter) DecodeSignatureFromAnnotations(annotations map[string]string) (*Signature, error) { + sig := &Signature{} + + signatureB64, ok := annotations[AnnotationSignature] + if !ok { + return nil, fmt.Errorf("missing %s annotation", AnnotationSignature) + } + + var err error + sig.Signature, err = base64.StdEncoding.DecodeString(signatureB64) + if err != nil { + // Try raw if base64 fails + sig.Signature = []byte(signatureB64) + } + + if certB64, ok := annotations[AnnotationCertificate]; ok { + sig.Certificate, err = base64.StdEncoding.DecodeString(certB64) + if err != nil { + // Try raw if base64 fails + sig.Certificate = []byte(certB64) + } + } + + if rekorB64, ok := annotations[AnnotationRekorBundle]; ok { + sig.RekorBundle, err = base64.StdEncoding.DecodeString(rekorB64) + if err != nil { + // Try raw if base64 fails + sig.RekorBundle = []byte(rekorB64) + } + } + + sig.Issuer = annotations[AnnotationIssuer] + sig.Identity = annotations[AnnotationIdentity] + + if timestamp, ok := annotations[AnnotationTimestamp]; ok { + ts, err := strconv.ParseInt(timestamp, 10, 64) + if err != nil { + return nil, fmt.Errorf("failed to parse timestamp: %w", err) + } + sig.Timestamp = ts + } + + return sig, nil +} diff --git a/pkg/signature/cosign_adapter_test.go b/pkg/signature/cosign_adapter_test.go new file mode 100644 index 0000000000..b125f51753 --- /dev/null +++ b/pkg/signature/cosign_adapter_test.go @@ -0,0 +1,143 @@ +package signature + +import ( + "crypto/ecdsa" + "crypto/elliptic" + "crypto/rand" + "crypto/x509" + "testing" +) + +func TestNewCosignAdapterWithPrivateKey(t *testing.T) { + privKey, _ := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) + + t.Run("Valid private key", func(t *testing.T) { + adapter, err := NewCosignAdapterWithPrivateKey(false, privKey) + if err != nil { + t.Fatalf("Expected no error, got %v", err) + } + if adapter.privateKey != privKey { + t.Error("Private key not set correctly") + } + }) + + t.Run("Nil private key", func(t *testing.T) { + _, err := NewCosignAdapterWithPrivateKey(false, nil) + if err == nil { + t.Error("Expected error for nil private key, got nil") + } + }) +} + +func TestCosignAdapter_GetKeysPEM(t *testing.T) { + privKey, _ := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) + adapter, _ := NewCosignAdapterWithPrivateKey(false, privKey) + + t.Run("GetPrivateKeyPEM", func(t *testing.T) { + pem, err := adapter.GetPrivateKeyPEM() + if err != nil { + t.Fatalf("Expected no error, got %v", err) + } + if len(pem) == 0 { + t.Error("Expected non-empty PEM") + } + }) + + t.Run("GetPublicKeyPEM", func(t *testing.T) { + pem, err := adapter.GetPublicKeyPEM() + if err != nil { + t.Fatalf("Expected no error, got %v", err) + } + if len(pem) == 0 { + t.Error("Expected non-empty PEM") + } + }) + + t.Run("No private key", func(t *testing.T) { + emptyAdapter := &CosignAdapter{} + _, err := emptyAdapter.GetPrivateKeyPEM() + if err == nil { + t.Error("Expected error, got nil") + } + _, err = emptyAdapter.GetPublicKeyPEM() + if err == nil { + t.Error("Expected error, got nil") + } + }) +} + +func TestWithPrivateKey(t *testing.T) { + privKey, _ := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) + opts := &SignOptions{} + WithPrivateKey(privKey)(opts) + if opts.PrivateKey != privKey { + t.Error("PrivateKey option not set correctly") + } +} + +func TestCosignSigner(t *testing.T) { + signer, err := NewCosignSigner(false) + if err != nil { + t.Fatalf("Expected no error, got %v", err) + } + + data := []byte("test data") + sig, err := signer.Sign(data) + if err != nil { + t.Fatalf("Expected no error, got %v", err) + } + if len(sig.Signature) == 0 { + t.Error("Expected non-empty signature") + } +} + +func TestCosignAdapter_ecdsaSign(t *testing.T) { + privKey, _ := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) + adapter := &CosignAdapter{} + data := []byte("test data") + sig, err := adapter.ecdsaSign(privKey, data) + if err != nil { + t.Fatalf("Expected no error, got %v", err) + } + if len(sig) == 0 { + t.Error("Expected non-empty signature") + } +} + +func TestVerifyData_ErrorCases(t *testing.T) { + privKey, _ := ecdsa.GenerateKey(elliptic.P256(), rand.Reader) + adapter, _ := NewCosignAdapterWithPrivateKey(false, privKey) + data := []byte("test data") + + t.Run("Invalid certificate PEM", func(t *testing.T) { + sig := &Signature{ + Signature: []byte("sig"), + Certificate: []byte("invalid-pem"), + } + err := adapter.VerifyData(data, sig, false) + if err == nil { + t.Error("Expected error for invalid certificate PEM, got nil") + } + }) + + t.Run("PublicKey is not ECDSA", func(t *testing.T) { + // Mock a non-ECDSA public key? Hard to do with current implementation. + // Skipping for now. + }) + + t.Run("Certificate is CA", func(t *testing.T) { + // Create a CA certificate + template := x509.Certificate{ + IsCA: true, + } + certDER, _ := x509.CreateCertificate(rand.Reader, &template, &template, &privKey.PublicKey, privKey) + sig := &Signature{ + Signature: []byte("sig"), + Certificate: certDER, + } + err := adapter.VerifyData(data, sig, false) + if err == nil { + t.Error("Expected error for CA certificate, got nil") + } + }) +} diff --git a/pkg/signature/interface.go b/pkg/signature/interface.go new file mode 100644 index 0000000000..720ca7a59c --- /dev/null +++ b/pkg/signature/interface.go @@ -0,0 +1,63 @@ +package signature + +import ( + "crypto/ecdsa" +) + +type Signer interface { + Sign(data []byte) (*Signature, error) +} + +type Verifier interface { + Verify(data []byte, sig *Signature) error +} + +type SignableObject interface { + GetAnnotations() map[string]string + SetAnnotations(annotations map[string]string) + GetUID() string + GetNamespace() string + GetName() string + GetContent() interface{} + GetUpdatedObject() interface{} +} + +type Signature struct { + Signature []byte + Certificate []byte + RekorBundle []byte + Issuer string + Identity string + Timestamp int64 +} + +type SignOptions struct { + UseKeyless bool + PrivateKey *ecdsa.PrivateKey +} + +type SignOption func(*SignOptions) + +func WithKeyless(useKeyless bool) SignOption { + return func(opts *SignOptions) { + opts.UseKeyless = useKeyless + } +} + +func WithPrivateKey(privateKey *ecdsa.PrivateKey) SignOption { + return func(opts *SignOptions) { + opts.PrivateKey = privateKey + } +} + +type VerifyOptions struct { + AllowUntrusted bool +} + +type VerifyOption func(*VerifyOptions) + +func WithUntrusted(allowUntrusted bool) VerifyOption { + return func(opts *VerifyOptions) { + opts.AllowUntrusted = allowUntrusted + } +} diff --git a/pkg/signature/profiles/adapter_test.go b/pkg/signature/profiles/adapter_test.go new file mode 100644 index 0000000000..0f9af91682 --- /dev/null +++ b/pkg/signature/profiles/adapter_test.go @@ -0,0 +1,335 @@ +package profiles + +import ( + "testing" + + "github.com/kubescape/node-agent/pkg/signature" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/types" +) + +func TestApplicationProfileAdapter(t *testing.T) { + profile := &v1beta1.ApplicationProfile{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "softwarecomposition.kubescape.io/v1beta1", + Kind: "ApplicationProfile", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "test-ap", + Namespace: "default", + UID: types.UID("ap-uid-123"), + Labels: map[string]string{ + "app": "test", + }, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Architectures: []string{"amd64"}, + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "nginx", + Capabilities: []string{"CAP_NET_BIND_SERVICE"}, + }, + }, + }, + } + + adapter := NewApplicationProfileAdapter(profile) + + if adapter == nil { + t.Fatal("Expected non-nil adapter") + } + + if adapter.GetUID() != "ap-uid-123" { + t.Errorf("Expected UID 'ap-uid-123', got '%s'", adapter.GetUID()) + } + + if adapter.GetNamespace() != "default" { + t.Errorf("Expected namespace 'default', got '%s'", adapter.GetNamespace()) + } + + if adapter.GetName() != "test-ap" { + t.Errorf("Expected name 'test-ap', got '%s'", adapter.GetName()) + } + + annotations := adapter.GetAnnotations() + if annotations == nil { + t.Error("Expected annotations map, got nil") + } + + testAnnotations := map[string]string{ + "test-key": "test-value", + } + adapter.SetAnnotations(testAnnotations) + if profile.Annotations["test-key"] != "test-value" { + t.Error("Failed to set annotations") + } + + content := adapter.GetContent() + if content == nil { + t.Fatal("Expected non-nil content") + } + + apContent, ok := content.(map[string]interface{}) + if !ok { + t.Fatal("Expected map[string]interface{} content type") + } + + metadata, ok := apContent["metadata"].(map[string]interface{}) + if !ok { + t.Fatal("Expected metadata to be map[string]interface{}") + } + + if metadata["name"] != "test-ap" { + t.Errorf("Expected content name 'test-ap', got '%v'", metadata["name"]) + } + + if metadata["namespace"] != "default" { + t.Errorf("Expected content namespace 'default', got '%v'", metadata["namespace"]) + } + + if apContent["apiVersion"] != "softwarecomposition.kubescape.io/v1beta1" { + t.Errorf("Expected apiVersion 'softwarecomposition.kubescape.io/v1beta1', got '%v'", apContent["apiVersion"]) + } + + if apContent["kind"] != "ApplicationProfile" { + t.Errorf("Expected kind 'ApplicationProfile', got '%v'", apContent["kind"]) + } +} + +func TestApplicationProfileAdapterSignAndVerify(t *testing.T) { + profile := &v1beta1.ApplicationProfile{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "softwarecomposition.kubescape.io/v1beta1", + Kind: "ApplicationProfile", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "sign-test-ap", + Namespace: "default", + UID: types.UID("sign-ap-uid"), + Labels: map[string]string{ + "test": "signing", + }, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Architectures: []string{"amd64", "arm64"}, + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "app", + Capabilities: []string{"CAP_NET_ADMIN"}, + }, + }, + }, + } + + adapter := NewApplicationProfileAdapter(profile) + + err := signature.SignObjectDisableKeyless(adapter) + if err != nil { + t.Fatalf("SignObjectDisableKeyless failed: %v", err) + } + + if profile.Annotations == nil { + t.Error("Expected annotations to be set on profile") + } + + if _, ok := profile.Annotations[signature.AnnotationSignature]; !ok { + t.Error("Expected signature annotation on profile") + } + + err = signature.VerifyObjectAllowUntrusted(adapter) + if err != nil { + t.Fatalf("VerifyObjectAllowUntrusted failed: %v", err) + } +} + +func TestSeccompProfileAdapter(t *testing.T) { + profile := &v1beta1.SeccompProfile{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "softwarecomposition.kubescape.io/v1beta1", + Kind: "SeccompProfile", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "test-seccomp", + Namespace: "default", + UID: types.UID("seccomp-uid-456"), + Labels: map[string]string{ + "seccomp": "test", + }, + }, + Spec: v1beta1.SeccompProfileSpec{ + Containers: []v1beta1.SingleSeccompProfile{ + { + Name: "test-container", + }, + }, + }, + } + + adapter := NewSeccompProfileAdapter(profile) + + if adapter == nil { + t.Fatal("Expected non-nil adapter") + } + + if adapter.GetUID() != "seccomp-uid-456" { + t.Errorf("Expected UID 'seccomp-uid-456', got '%s'", adapter.GetUID()) + } + + if adapter.GetNamespace() != "default" { + t.Errorf("Expected namespace 'default', got '%s'", adapter.GetNamespace()) + } + + if adapter.GetName() != "test-seccomp" { + t.Errorf("Expected name 'test-seccomp', got '%s'", adapter.GetName()) + } + + annotations := adapter.GetAnnotations() + if annotations == nil { + t.Error("Expected annotations map, got nil") + } + + testAnnotations := map[string]string{ + "seccomp-key": "seccomp-value", + } + adapter.SetAnnotations(testAnnotations) + if profile.Annotations["seccomp-key"] != "seccomp-value" { + t.Error("Failed to set annotations") + } + + content := adapter.GetContent() + if content == nil { + t.Fatal("Expected non-nil content") + } + + scContent, ok := content.(map[string]interface{}) + if !ok { + t.Fatal("Expected map[string]interface{} content type") + } + + metadata, ok := scContent["metadata"].(map[string]interface{}) + if !ok { + t.Fatal("Expected metadata to be map[string]interface{}") + } + + if metadata["name"] != "test-seccomp" { + t.Errorf("Expected content name 'test-seccomp', got '%v'", metadata["name"]) + } + + if metadata["namespace"] != "default" { + t.Errorf("Expected content namespace 'default', got '%v'", metadata["namespace"]) + } + + if scContent["apiVersion"] != "softwarecomposition.kubescape.io/v1beta1" { + t.Errorf("Expected apiVersion 'softwarecomposition.kubescape.io/v1beta1', got '%v'", scContent["apiVersion"]) + } + + if scContent["kind"] != "SeccompProfile" { + t.Errorf("Expected kind 'SeccompProfile', got '%v'", scContent["kind"]) + } +} + +func TestSeccompProfileAdapterSignAndVerify(t *testing.T) { + profile := &v1beta1.SeccompProfile{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "softwarecomposition.kubescape.io/v1beta1", + Kind: "SeccompProfile", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "sign-test-seccomp", + Namespace: "default", + UID: types.UID("sign-seccomp-uid"), + Labels: map[string]string{ + "test": "seccomp-signing", + }, + }, + Spec: v1beta1.SeccompProfileSpec{ + Containers: []v1beta1.SingleSeccompProfile{ + { + Name: "app-container", + }, + }, + }, + } + + adapter := NewSeccompProfileAdapter(profile) + + err := signature.SignObjectDisableKeyless(adapter) + if err != nil { + t.Fatalf("SignObjectDisableKeyless failed: %v", err) + } + + if profile.Annotations == nil { + t.Error("Expected annotations to be set on profile") + } + + if _, ok := profile.Annotations[signature.AnnotationSignature]; !ok { + t.Error("Expected signature annotation on profile") + } + + err = signature.VerifyObjectAllowUntrusted(adapter) + if err != nil { + t.Fatalf("VerifyObjectAllowUntrusted failed: %v", err) + } +} + +func TestAdapterUniqueness(t *testing.T) { + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "unique-ap", + Namespace: "default", + UID: types.UID("ap-unique-uid"), + }, + Spec: v1beta1.ApplicationProfileSpec{ + Architectures: []string{"amd64"}, + }, + } + + sp := &v1beta1.SeccompProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "unique-sp", + Namespace: "default", + UID: types.UID("sp-unique-uid"), + }, + Spec: v1beta1.SeccompProfileSpec{}, + } + + apAdapter := NewApplicationProfileAdapter(ap) + spAdapter := NewSeccompProfileAdapter(sp) + + err := signature.SignObjectDisableKeyless(apAdapter) + if err != nil { + t.Fatalf("SignObjectDisableKeyless failed for ApplicationProfile: %v", err) + } + + err = signature.SignObjectDisableKeyless(spAdapter) + if err != nil { + t.Fatalf("SignObjectDisableKeyless failed for SeccompProfile: %v", err) + } + + apSig, err := signature.GetObjectSignature(apAdapter) + if err != nil { + t.Fatalf("GetObjectSignature failed for ApplicationProfile: %v", err) + } + + if apSig == nil { + t.Fatal("GetObjectSignature returned nil for ApplicationProfile") + } + + spSig, err := signature.GetObjectSignature(spAdapter) + if err != nil { + t.Fatalf("GetObjectSignature failed for SeccompProfile: %v", err) + } + + if spSig == nil { + t.Fatal("GetObjectSignature returned nil for SeccompProfile") + } + + if apSig.Issuer != "local" { + t.Errorf("Expected AP issuer 'local', got '%s'", apSig.Issuer) + } + + if spSig.Issuer != "local" { + t.Errorf("Expected SP issuer 'local', got '%s'", spSig.Issuer) + } +} diff --git a/pkg/signature/profiles/applicationprofile_adapter.go b/pkg/signature/profiles/applicationprofile_adapter.go new file mode 100644 index 0000000000..5a21b0a2e3 --- /dev/null +++ b/pkg/signature/profiles/applicationprofile_adapter.go @@ -0,0 +1,81 @@ +package profiles + +import ( + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" +) + +type ApplicationProfileAdapter struct { + profile *v1beta1.ApplicationProfile +} + +func NewApplicationProfileAdapter(profile *v1beta1.ApplicationProfile) *ApplicationProfileAdapter { + return &ApplicationProfileAdapter{ + profile: profile, + } +} + +func (a *ApplicationProfileAdapter) GetAnnotations() map[string]string { + if a.profile.Annotations == nil { + a.profile.Annotations = make(map[string]string) + } + return a.profile.Annotations +} + +func (a *ApplicationProfileAdapter) SetAnnotations(annotations map[string]string) { + a.profile.Annotations = annotations +} + +func (a *ApplicationProfileAdapter) GetUID() string { + return string(a.profile.UID) +} + +func (a *ApplicationProfileAdapter) GetNamespace() string { + return a.profile.Namespace +} + +func (a *ApplicationProfileAdapter) GetName() string { + return a.profile.Name +} + +func (a *ApplicationProfileAdapter) GetContent() interface{} { + // Normalize PolicyByRuleId to ensure consistent JSON representation + // Empty maps become {} instead of null + for i := range a.profile.Spec.Containers { + if a.profile.Spec.Containers[i].PolicyByRuleId == nil { + a.profile.Spec.Containers[i].PolicyByRuleId = make(map[string]v1beta1.RulePolicy) + } + } + for i := range a.profile.Spec.InitContainers { + if a.profile.Spec.InitContainers[i].PolicyByRuleId == nil { + a.profile.Spec.InitContainers[i].PolicyByRuleId = make(map[string]v1beta1.RulePolicy) + } + } + for i := range a.profile.Spec.EphemeralContainers { + if a.profile.Spec.EphemeralContainers[i].PolicyByRuleId == nil { + a.profile.Spec.EphemeralContainers[i].PolicyByRuleId = make(map[string]v1beta1.RulePolicy) + } + } + + apiVersion := a.profile.APIVersion + if apiVersion == "" { + apiVersion = "spdx.softwarecomposition.kubescape.io/v1beta1" + } + kind := a.profile.Kind + if kind == "" { + kind = "ApplicationProfile" + } + return map[string]interface{}{ + "apiVersion": apiVersion, + "kind": kind, + "metadata": map[string]interface{}{ + "name": a.profile.Name, + "namespace": a.profile.Namespace, + "labels": a.profile.Labels, + }, + "spec": a.profile.Spec, + } +} + +func (a *ApplicationProfileAdapter) GetUpdatedObject() interface{} { + return a.profile +} diff --git a/pkg/signature/profiles/empty_typemeta_test.go b/pkg/signature/profiles/empty_typemeta_test.go new file mode 100644 index 0000000000..259ded5c77 --- /dev/null +++ b/pkg/signature/profiles/empty_typemeta_test.go @@ -0,0 +1,78 @@ +package profiles + +import ( + "testing" + + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +func TestApplicationProfileAdapterEmptyTypeMeta(t *testing.T) { + profile := &v1beta1.ApplicationProfile{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "", + Kind: "", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "test-ap", + Namespace: "default", + }, + Spec: v1beta1.ApplicationProfileSpec{ + Architectures: []string{"amd64"}, + }, + } + + adapter := NewApplicationProfileAdapter(profile) + + content := adapter.GetContent() + if content == nil { + t.Fatal("Expected non-nil content") + } + + apContent, ok := content.(map[string]interface{}) + if !ok { + t.Fatal("Expected map[string]interface{} content type") + } + + if apContent["apiVersion"] != "spdx.softwarecomposition.kubescape.io/v1beta1" { + t.Errorf("Expected fallback apiVersion 'spdx.softwarecomposition.kubescape.io/v1beta1', got '%v'", apContent["apiVersion"]) + } + + if apContent["kind"] != "ApplicationProfile" { + t.Errorf("Expected fallback kind 'ApplicationProfile', got '%v'", apContent["kind"]) + } +} + +func TestSeccompProfileAdapterEmptyTypeMeta(t *testing.T) { + profile := &v1beta1.SeccompProfile{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "", + Kind: "", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "test-seccomp", + Namespace: "default", + }, + Spec: v1beta1.SeccompProfileSpec{}, + } + + adapter := NewSeccompProfileAdapter(profile) + + content := adapter.GetContent() + if content == nil { + t.Fatal("Expected non-nil content") + } + + scContent, ok := content.(map[string]interface{}) + if !ok { + t.Fatal("Expected map[string]interface{} content type") + } + + if scContent["apiVersion"] != "spdx.softwarecomposition.kubescape.io/v1beta1" { + t.Errorf("Expected fallback apiVersion 'spdx.softwarecomposition.kubescape.io/v1beta1', got '%v'", scContent["apiVersion"]) + } + + if scContent["kind"] != "SeccompProfile" { + t.Errorf("Expected fallback kind 'SeccompProfile', got '%v'", scContent["kind"]) + } +} diff --git a/pkg/signature/profiles/networkneighborhood_adapter.go b/pkg/signature/profiles/networkneighborhood_adapter.go new file mode 100644 index 0000000000..e62caf4312 --- /dev/null +++ b/pkg/signature/profiles/networkneighborhood_adapter.go @@ -0,0 +1,63 @@ +package profiles + +import ( + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" +) + +type NetworkNeighborhoodAdapter struct { + nn *v1beta1.NetworkNeighborhood +} + +func NewNetworkNeighborhoodAdapter(nn *v1beta1.NetworkNeighborhood) *NetworkNeighborhoodAdapter { + return &NetworkNeighborhoodAdapter{ + nn: nn, + } +} + +func (a *NetworkNeighborhoodAdapter) GetAnnotations() map[string]string { + if a.nn.Annotations == nil { + a.nn.Annotations = make(map[string]string) + } + return a.nn.Annotations +} + +func (a *NetworkNeighborhoodAdapter) SetAnnotations(annotations map[string]string) { + a.nn.Annotations = annotations +} + +func (a *NetworkNeighborhoodAdapter) GetUID() string { + return string(a.nn.UID) +} + +func (a *NetworkNeighborhoodAdapter) GetNamespace() string { + return a.nn.Namespace +} + +func (a *NetworkNeighborhoodAdapter) GetName() string { + return a.nn.Name +} + +func (a *NetworkNeighborhoodAdapter) GetContent() interface{} { + apiVersion := a.nn.APIVersion + if apiVersion == "" { + apiVersion = "spdx.softwarecomposition.kubescape.io/v1beta1" + } + kind := a.nn.Kind + if kind == "" { + kind = "NetworkNeighborhood" + } + return map[string]interface{}{ + "apiVersion": apiVersion, + "kind": kind, + "metadata": map[string]interface{}{ + "name": a.nn.Name, + "namespace": a.nn.Namespace, + "labels": a.nn.Labels, + }, + "spec": a.nn.Spec, + } +} + +func (a *NetworkNeighborhoodAdapter) GetUpdatedObject() interface{} { + return a.nn +} diff --git a/pkg/signature/profiles/networkneighborhood_adapter_test.go b/pkg/signature/profiles/networkneighborhood_adapter_test.go new file mode 100644 index 0000000000..7968784eb6 --- /dev/null +++ b/pkg/signature/profiles/networkneighborhood_adapter_test.go @@ -0,0 +1,99 @@ +package profiles + +import ( + "testing" + + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + "github.com/stretchr/testify/assert" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +func TestNetworkNeighborhoodAdapter(t *testing.T) { + nn := &v1beta1.NetworkNeighborhood{ + TypeMeta: metav1.TypeMeta{ + Kind: "NetworkNeighborhood", + APIVersion: "spdx.softwarecomposition.kubescape.io/v1beta1", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "test-nn", + Namespace: "test-ns", + UID: "test-uid", + Annotations: map[string]string{ + "existing": "annotation", + }, + }, + Spec: v1beta1.NetworkNeighborhoodSpec{ + Containers: []v1beta1.NetworkNeighborhoodContainer{ + { + Name: "test-container", + Ingress: []v1beta1.NetworkNeighbor{ + { + Identifier: "test-neighbor", + }, + }, + }, + }, + }, + } + + adapter := NewNetworkNeighborhoodAdapter(nn) + + assert.Equal(t, "test-nn", adapter.GetName()) + assert.Equal(t, "test-ns", adapter.GetNamespace()) + assert.Equal(t, "test-uid", adapter.GetUID()) + + annotations := adapter.GetAnnotations() + assert.Equal(t, "annotation", annotations["existing"]) + + newAnnotations := map[string]string{"new": "annotation"} + adapter.SetAnnotations(newAnnotations) + assert.Equal(t, newAnnotations, nn.Annotations) + + content := adapter.GetContent().(map[string]interface{}) + assert.Equal(t, "NetworkNeighborhood", content["kind"]) + assert.Equal(t, "spdx.softwarecomposition.kubescape.io/v1beta1", content["apiVersion"]) + + metadata := content["metadata"].(map[string]interface{}) + assert.Equal(t, "test-nn", metadata["name"]) + assert.Equal(t, "test-ns", metadata["namespace"]) + + spec := content["spec"].(v1beta1.NetworkNeighborhoodSpec) + assert.Equal(t, 1, len(spec.Containers)) + assert.Equal(t, "test-container", spec.Containers[0].Name) + + assert.Equal(t, nn, adapter.GetUpdatedObject()) +} + +func TestNetworkNeighborhoodAdapter_EmptyTypeMeta(t *testing.T) { + nn := &v1beta1.NetworkNeighborhood{ + TypeMeta: metav1.TypeMeta{ + Kind: "", + APIVersion: "", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "test-nn", + Namespace: "test-ns", + }, + Spec: v1beta1.NetworkNeighborhoodSpec{ + Containers: []v1beta1.NetworkNeighborhoodContainer{ + { + Name: "test-container", + }, + }, + }, + } + + adapter := NewNetworkNeighborhoodAdapter(nn) + content := adapter.GetContent().(map[string]interface{}) + + assert.Equal(t, "NetworkNeighborhood", content["kind"]) + assert.Equal(t, "spdx.softwarecomposition.kubescape.io/v1beta1", content["apiVersion"]) + + metadata := content["metadata"].(map[string]interface{}) + assert.Equal(t, "test-nn", metadata["name"]) + assert.Equal(t, "test-ns", metadata["namespace"]) + + spec := content["spec"].(v1beta1.NetworkNeighborhoodSpec) + assert.Equal(t, 1, len(spec.Containers)) + assert.Equal(t, "test-container", spec.Containers[0].Name) +} diff --git a/pkg/signature/profiles/rules_adapter.go b/pkg/signature/profiles/rules_adapter.go new file mode 100644 index 0000000000..248e3c1a91 --- /dev/null +++ b/pkg/signature/profiles/rules_adapter.go @@ -0,0 +1,60 @@ +package profiles + +import ( + rulemanagertypesv1 "github.com/kubescape/node-agent/pkg/rulemanager/types/v1" +) + +type RulesAdapter struct { + rules *rulemanagertypesv1.Rules +} + +func NewRulesAdapter(rules *rulemanagertypesv1.Rules) *RulesAdapter { + return &RulesAdapter{ + rules: rules, + } +} + +func (r *RulesAdapter) GetAnnotations() map[string]string { + return r.rules.Annotations +} + +func (r *RulesAdapter) SetAnnotations(annotations map[string]string) { + r.rules.Annotations = annotations +} + +func (r *RulesAdapter) GetUID() string { + return string(r.rules.UID) +} + +func (r *RulesAdapter) GetNamespace() string { + return r.rules.Namespace +} + +func (r *RulesAdapter) GetName() string { + return r.rules.Name +} + +func (r *RulesAdapter) GetContent() interface{} { + apiVersion := r.rules.APIVersion + if apiVersion == "" { + apiVersion = "kubescape.io/v1" + } + kind := r.rules.Kind + if kind == "" { + kind = "Rules" + } + return map[string]interface{}{ + "apiVersion": apiVersion, + "kind": kind, + "metadata": map[string]interface{}{ + "name": r.rules.Name, + "namespace": r.rules.Namespace, + "labels": r.rules.Labels, + }, + "spec": r.rules.Spec, + } +} + +func (r *RulesAdapter) GetUpdatedObject() interface{} { + return r.rules +} diff --git a/pkg/signature/profiles/rules_adapter_test.go b/pkg/signature/profiles/rules_adapter_test.go new file mode 100644 index 0000000000..f617e4ebe6 --- /dev/null +++ b/pkg/signature/profiles/rules_adapter_test.go @@ -0,0 +1,184 @@ +package profiles + +import ( + "strings" + "testing" + + rulemanagertypesv1 "github.com/kubescape/node-agent/pkg/rulemanager/types/v1" + "github.com/kubescape/node-agent/pkg/signature" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + k8stypes "k8s.io/apimachinery/pkg/types" +) + +func TestRulesAdapterGetContent(t *testing.T) { + rules := &rulemanagertypesv1.Rules{ + ObjectMeta: metav1.ObjectMeta{ + Name: "test-rules", + Namespace: "default", + UID: k8stypes.UID("test-uid"), + Labels: map[string]string{"label": "value"}, + }, + Spec: rulemanagertypesv1.RulesSpec{ + Rules: []rulemanagertypesv1.Rule{ + { + Enabled: true, + ID: "rule-1", + Name: "Test Rule", + Description: "A test rule", + Expressions: rulemanagertypesv1.RuleExpressions{ + Message: "message", + UniqueID: "uniqueId", + RuleExpression: []rulemanagertypesv1.RuleExpression{}, + }, + ProfileDependency: 0, + Severity: 1, + SupportPolicy: false, + Tags: []string{"test"}, + }, + }, + }, + } + + adapter := NewRulesAdapter(rules) + content := adapter.GetContent() + + if content == nil { + t.Fatal("Expected content not to be nil") + } + + contentMap, ok := content.(map[string]interface{}) + if !ok { + t.Fatal("Expected content to be a map") + } + + if contentMap["apiVersion"] != "kubescape.io/v1" { + t.Errorf("Expected apiVersion 'kubescape.io/v1', got '%v'", contentMap["apiVersion"]) + } + + if contentMap["kind"] != "Rules" { + t.Errorf("Expected kind 'Rules', got '%v'", contentMap["kind"]) + } + + metadata, ok := contentMap["metadata"].(map[string]interface{}) + if !ok { + t.Fatal("Expected metadata to be a map") + } + + if metadata["name"] != "test-rules" { + t.Errorf("Expected name 'test-rules', got '%v'", metadata["name"]) + } + + if metadata["namespace"] != "default" { + t.Errorf("Expected namespace 'default', got '%v'", metadata["namespace"]) + } + + if _, ok := contentMap["spec"]; !ok { + t.Error("Expected spec in content") + } +} + +func TestRulesAdapterSignAndVerify(t *testing.T) { + rules := &rulemanagertypesv1.Rules{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "kubescape.io/v1", + Kind: "Rules", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "sign-test-rules", + Namespace: "default", + UID: k8stypes.UID("sign-rules-uid"), + Labels: map[string]string{ + "test": "rules-signing", + }, + }, + Spec: rulemanagertypesv1.RulesSpec{ + Rules: []rulemanagertypesv1.Rule{ + { + Enabled: true, + ID: "test-rule-id", + Name: "Test Rule", + Description: "A test rule", + Expressions: rulemanagertypesv1.RuleExpressions{ + Message: "message", + UniqueID: "uniqueId", + RuleExpression: []rulemanagertypesv1.RuleExpression{}, + }, + ProfileDependency: 0, + Severity: 1, + SupportPolicy: false, + Tags: []string{"test"}, + }, + }, + }, + } + + adapter := NewRulesAdapter(rules) + + err := signature.SignObjectDisableKeyless(adapter) + if err != nil { + t.Fatalf("SignObjectDisableKeyless failed: %v", err) + } + + if rules.Annotations == nil { + t.Error("Expected annotations to be set on rules") + } + + if _, ok := rules.Annotations[signature.AnnotationSignature]; !ok { + t.Error("Expected signature annotation on rules") + } + + err = signature.VerifyObjectAllowUntrusted(adapter) + if err != nil { + t.Fatalf("VerifyObjectAllowUntrusted failed: %v", err) + } +} + +func TestRulesAdapterSignAndVerifyWithTampering(t *testing.T) { + rules := &rulemanagertypesv1.Rules{ + TypeMeta: metav1.TypeMeta{ + APIVersion: "kubescape.io/v1", + Kind: "Rules", + }, + ObjectMeta: metav1.ObjectMeta{ + Name: "tamper-test-rules", + Namespace: "default", + }, + Spec: rulemanagertypesv1.RulesSpec{ + Rules: []rulemanagertypesv1.Rule{ + { + Enabled: true, + ID: "tamper-rule-id", + Name: "Tamper Test Rule", + Description: "A tamper test rule", + Expressions: rulemanagertypesv1.RuleExpressions{ + Message: "message", + UniqueID: "uniqueId", + RuleExpression: []rulemanagertypesv1.RuleExpression{}, + }, + ProfileDependency: 0, + Severity: 1, + SupportPolicy: false, + Tags: []string{"test"}, + }, + }, + }, + } + + adapter := NewRulesAdapter(rules) + + err := signature.SignObjectDisableKeyless(adapter) + if err != nil { + t.Fatalf("SignObjectDisableKeyless failed: %v", err) + } + + rules.Spec.Rules[0].Name = "Modified Rule Name" + + err = signature.VerifyObjectAllowUntrusted(adapter) + if err == nil { + t.Fatal("Expected verification to fail after tampering, but it succeeded") + } + + if !strings.Contains(err.Error(), "signature verification failed") { + t.Errorf("Expected signature verification error, got: %v", err) + } +} diff --git a/pkg/signature/profiles/seccompprofile_adapter.go b/pkg/signature/profiles/seccompprofile_adapter.go new file mode 100644 index 0000000000..8252cfbf76 --- /dev/null +++ b/pkg/signature/profiles/seccompprofile_adapter.go @@ -0,0 +1,63 @@ +package profiles + +import ( + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" +) + +type SeccompProfileAdapter struct { + profile *v1beta1.SeccompProfile +} + +func NewSeccompProfileAdapter(profile *v1beta1.SeccompProfile) *SeccompProfileAdapter { + return &SeccompProfileAdapter{ + profile: profile, + } +} + +func (s *SeccompProfileAdapter) GetAnnotations() map[string]string { + if s.profile.Annotations == nil { + s.profile.Annotations = make(map[string]string) + } + return s.profile.Annotations +} + +func (s *SeccompProfileAdapter) SetAnnotations(annotations map[string]string) { + s.profile.Annotations = annotations +} + +func (s *SeccompProfileAdapter) GetUID() string { + return string(s.profile.UID) +} + +func (s *SeccompProfileAdapter) GetNamespace() string { + return s.profile.Namespace +} + +func (s *SeccompProfileAdapter) GetName() string { + return s.profile.Name +} + +func (s *SeccompProfileAdapter) GetContent() interface{} { + apiVersion := s.profile.APIVersion + if apiVersion == "" { + apiVersion = "spdx.softwarecomposition.kubescape.io/v1beta1" + } + kind := s.profile.Kind + if kind == "" { + kind = "SeccompProfile" + } + return map[string]interface{}{ + "apiVersion": apiVersion, + "kind": kind, + "metadata": map[string]interface{}{ + "name": s.profile.Name, + "namespace": s.profile.Namespace, + "labels": s.profile.Labels, + }, + "spec": s.profile.Spec, + } +} + +func (s *SeccompProfileAdapter) GetUpdatedObject() interface{} { + return s.profile +} diff --git a/pkg/signature/sign.go b/pkg/signature/sign.go new file mode 100644 index 0000000000..74ef6ba819 --- /dev/null +++ b/pkg/signature/sign.go @@ -0,0 +1,114 @@ +package signature + +import ( + "fmt" + + "github.com/kubescape/go-logger" + "github.com/kubescape/go-logger/helpers" +) + +func SignObject(obj SignableObject, opts ...SignOption) error { + if obj == nil { + return fmt.Errorf("object is nil") + } + options := &SignOptions{ + UseKeyless: true, + } + + for _, opt := range opts { + opt(options) + } + + var adapter *CosignAdapter + var err error + + if options.PrivateKey != nil { + adapter, err = NewCosignAdapterWithPrivateKey(false, options.PrivateKey) + } else { + adapter, err = NewCosignAdapter(options.UseKeyless) + } + + if err != nil { + return fmt.Errorf("failed to create cosign adapter: %w", err) + } + + content := obj.GetContent() + + hash, err := adapter.GetContentHash(content) + if err != nil { + return fmt.Errorf("failed to compute content hash: %w", err) + } + + logger.L().Debug("Signing object", + helpers.String("namespace", obj.GetNamespace()), + helpers.String("name", obj.GetName()), + helpers.String("contentHash", hash)) + + sig, err := adapter.SignData([]byte(hash)) + if err != nil { + return fmt.Errorf("failed to sign object: %w", err) + } + + annotations, err := adapter.EncodeSignatureToAnnotations(sig) + if err != nil { + return fmt.Errorf("failed to encode signature to annotations: %w", err) + } + + existingAnnotations := obj.GetAnnotations() + if existingAnnotations == nil { + existingAnnotations = make(map[string]string) + } + + for k, v := range annotations { + existingAnnotations[k] = v + } + + obj.SetAnnotations(existingAnnotations) + + logger.L().Info("Successfully signed object", + helpers.String("namespace", obj.GetNamespace()), + helpers.String("name", obj.GetName()), + helpers.String("identity", sig.Identity), + helpers.String("issuer", sig.Issuer)) + + return nil +} + +func SignObjectDisableKeyless(obj SignableObject) error { + return SignObject(obj, WithKeyless(false)) +} + +func SignObjectKeyless(obj SignableObject) error { + return SignObject(obj, WithKeyless(true)) +} + +func GetObjectSignature(obj SignableObject) (*Signature, error) { + if obj == nil { + return nil, fmt.Errorf("GetObjectSignature: nil object") + } + annotations := obj.GetAnnotations() + if annotations == nil { + return nil, fmt.Errorf("object has no annotations") + } + + adapter := &CosignAdapter{} + sig, err := adapter.DecodeSignatureFromAnnotations(annotations) + if err != nil { + return nil, fmt.Errorf("failed to decode signature from annotations: %w", err) + } + + return sig, nil +} + +func IsSigned(obj SignableObject) bool { + if obj == nil { + return false + } + annotations := obj.GetAnnotations() + if annotations == nil { + return false + } + + _, ok := annotations[AnnotationSignature] + return ok +} diff --git a/pkg/signature/sign_test.go b/pkg/signature/sign_test.go new file mode 100644 index 0000000000..091484bce8 --- /dev/null +++ b/pkg/signature/sign_test.go @@ -0,0 +1,231 @@ +package signature + +import ( + "os" + "testing" +) + +type MockSignableObject struct { + annotations map[string]string + uid string + namespace string + name string + content interface{} +} + +func NewMockSignableObject(uid, namespace, name string, content interface{}) *MockSignableObject { + return &MockSignableObject{ + annotations: make(map[string]string), + uid: uid, + namespace: namespace, + name: name, + content: content, + } +} + +func (m *MockSignableObject) GetAnnotations() map[string]string { + return m.annotations +} + +func (m *MockSignableObject) SetAnnotations(annotations map[string]string) { + m.annotations = annotations +} + +func (m *MockSignableObject) GetUID() string { + return m.uid +} + +func (m *MockSignableObject) GetNamespace() string { + return m.namespace +} + +func (m *MockSignableObject) GetName() string { + return m.name +} + +func (m *MockSignableObject) GetContent() interface{} { + return m.content +} + +func (m *MockSignableObject) GetUpdatedObject() interface{} { + return m.content +} + +func TestSignObjectKeyless(t *testing.T) { + if os.Getenv("ENABLE_KEYLESS_TESTS") == "" { + t.Skip("Skipping TestSignObjectKeyless. Set ENABLE_KEYLESS_TESTS to run.") + } + profileContent := map[string]interface{}{ + "type": "test-profile", + "data": "test-data", + } + + profile := NewMockSignableObject("test-uid", "test-ns", "test-profile", profileContent) + + err := SignObjectKeyless(profile) + if err != nil { + t.Fatalf("SignObjectKeyless failed: %v", err) + } + + if !IsSigned(profile) { + t.Error("Profile should be signed") + } + + sig, err := GetObjectSignature(profile) + if err != nil { + t.Fatalf("GetObjectSignature failed: %v", err) + } + + if len(sig.Signature) == 0 { + t.Error("Signature should not be empty") + } + + if len(sig.Certificate) == 0 { + t.Error("Certificate should not be empty") + } + + if sig.Issuer == "" { + t.Error("Issuer should not be empty for keyless signing") + } + + if sig.Identity == "" { + t.Error("Identity should not be empty for keyless signing") + } +} + +func TestSignObjectDisableKeyless(t *testing.T) { + profileContent := map[string]interface{}{ + "type": "test-profile", + "data": "test-data", + } + + profile := NewMockSignableObject("test-uid", "test-ns", "test-profile-key", profileContent) + + err := SignObjectDisableKeyless(profile) + if err != nil { + t.Fatalf("SignObjectDisableKeyless failed: %v", err) + } + + if !IsSigned(profile) { + t.Error("Profile should be signed") + } + + sig, err := GetObjectSignature(profile) + if err != nil { + t.Fatalf("GetObjectSignature failed: %v", err) + } + + if len(sig.Signature) == 0 { + t.Error("Signature should not be empty") + } + + if sig.Issuer != "local" { + t.Errorf("Expected issuer 'local', got '%s'", sig.Issuer) + } + + if sig.Identity != "local-key" { + t.Errorf("Expected identity 'local-key', got '%s'", sig.Identity) + } +} + +func TestIsSigned(t *testing.T) { + tests := []struct { + name string + profile *MockSignableObject + expected bool + }{ + { + name: "Unsigned profile", + profile: NewMockSignableObject("uid", "ns", "name", map[string]string{}), + expected: false, + }, + { + name: "Profile with empty annotations", + profile: &MockSignableObject{annotations: make(map[string]string)}, + expected: false, + }, + { + name: "Profile with signature annotation", + profile: func() *MockSignableObject { + p := NewMockSignableObject("uid", "ns", "name", map[string]string{}) + p.SetAnnotations(map[string]string{ + AnnotationSignature: "test-sig", + }) + return p + }(), + expected: true, + }, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + result := IsSigned(tt.profile) + if result != tt.expected { + t.Errorf("IsSigned() = %v, expected %v", result, tt.expected) + } + }) + } +} + +func TestGetObjectSignature(t *testing.T) { + tests := []struct { + name string + profile *MockSignableObject + wantErr bool + setupSign bool + setupAnnotations func(*MockSignableObject) + }{ + { + name: "Nil annotations", + profile: &MockSignableObject{uid: "uid", namespace: "ns", name: "name", content: map[string]string{}, annotations: nil}, + wantErr: true, + setupSign: false, + }, + { + name: "Missing signature annotation", + profile: NewMockSignableObject("uid", "ns", "name", map[string]string{}), + wantErr: true, + setupAnnotations: func(p *MockSignableObject) { + p.SetAnnotations(map[string]string{ + AnnotationIssuer: "test-issuer", + }) + }, + }, + { + name: "Complete signature", + profile: NewMockSignableObject("uid", "ns", "name", map[string]string{}), + wantErr: false, + setupSign: true, + }, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + if tt.setupSign { + if os.Getenv("ENABLE_KEYLESS_TESTS") == "" { + t.Skip("Skipping subtest with SignObjectKeyless. Set ENABLE_KEYLESS_TESTS to run.") + } + SignObjectKeyless(tt.profile) + } else if tt.setupAnnotations != nil { + tt.setupAnnotations(tt.profile) + } + + sig, err := GetObjectSignature(tt.profile) + + if tt.wantErr { + if err == nil { + t.Error("Expected error, got nil") + } + return + } + + if err != nil { + t.Fatalf("GetObjectSignature failed: %v", err) + } + + if sig == nil { + t.Fatal("Expected signature, got nil") + } + }) + } +} diff --git a/pkg/signature/signer.go b/pkg/signature/signer.go new file mode 100644 index 0000000000..8f3197bd93 --- /dev/null +++ b/pkg/signature/signer.go @@ -0,0 +1,20 @@ +package signature + +type CosignSigner struct { + adapter *CosignAdapter +} + +func NewCosignSigner(useKeyless bool) (*CosignSigner, error) { + adapter, err := NewCosignAdapter(useKeyless) + if err != nil { + return nil, err + } + + return &CosignSigner{ + adapter: adapter, + }, nil +} + +func (s *CosignSigner) Sign(data []byte) (*Signature, error) { + return s.adapter.SignData(data) +} diff --git a/pkg/signature/verifier.go b/pkg/signature/verifier.go new file mode 100644 index 0000000000..4278757cb8 --- /dev/null +++ b/pkg/signature/verifier.go @@ -0,0 +1,38 @@ +package signature + +import "fmt" + +type CosignVerifier struct { + adapter *CosignAdapter +} + +func NewCosignVerifier(useKeyless bool) (*CosignVerifier, error) { + adapter, err := NewCosignAdapter(useKeyless) + if err != nil { + return nil, err + } + + return &CosignVerifier{ + adapter: adapter, + }, nil +} + +func (v *CosignVerifier) Verify(data []byte, sig *Signature) error { + if v == nil || v.adapter == nil { + return fmt.Errorf("verifier not initialized") + } + if sig == nil { + return fmt.Errorf("signature is nil") + } + return v.adapter.VerifyData(data, sig, false) +} + +func (v *CosignVerifier) VerifyAllowUntrusted(data []byte, sig *Signature) error { + if v == nil || v.adapter == nil { + return fmt.Errorf("verifier not initialized") + } + if sig == nil { + return fmt.Errorf("signature is nil") + } + return v.adapter.VerifyData(data, sig, true) +} diff --git a/pkg/signature/verify.go b/pkg/signature/verify.go new file mode 100644 index 0000000000..f5d3d9913a --- /dev/null +++ b/pkg/signature/verify.go @@ -0,0 +1,85 @@ +package signature + +import ( + "fmt" + + "github.com/kubescape/go-logger" + "github.com/kubescape/go-logger/helpers" +) + +func VerifyObject(obj SignableObject, opts ...VerifyOption) error { + if obj == nil { + return fmt.Errorf("object is nil") + } + options := &VerifyOptions{ + AllowUntrusted: false, + } + + for _, opt := range opts { + opt(options) + } + + annotations := obj.GetAnnotations() + if annotations == nil { + return fmt.Errorf("%w (missing %s annotation)", ErrObjectNotSigned, AnnotationSignature) + } + + if _, ok := annotations[AnnotationSignature]; !ok { + return fmt.Errorf("%w (missing %s annotation)", ErrObjectNotSigned, AnnotationSignature) + } + + // useKeyless=true is fine for verification since we use the certificate + // stored in the object annotations, regardless of how the object was signed + adapter, err := NewCosignAdapter(true) + if err != nil { + return fmt.Errorf("failed to create cosign adapter: %w", err) + } + + sig, err := adapter.DecodeSignatureFromAnnotations(annotations) + if err != nil { + return fmt.Errorf("failed to decode signature from annotations: %w", err) + } + + content := obj.GetContent() + hash, err := adapter.GetContentHash(content) + if err != nil { + return fmt.Errorf("failed to compute content hash: %w", err) + } + + verifier, err := NewCosignVerifier(true) + if err != nil { + return fmt.Errorf("failed to create verifier: %w", err) + } + + var verifyErr error + if options.AllowUntrusted { + verifyErr = verifier.VerifyAllowUntrusted([]byte(hash), sig) + } else { + verifyErr = verifier.Verify([]byte(hash), sig) + } + + if verifyErr != nil { + logger.L().Warning("Object signature verification failed", + helpers.String("namespace", obj.GetNamespace()), + helpers.String("name", obj.GetName()), + helpers.String("error", verifyErr.Error())) + + return fmt.Errorf("signature verification failed: %w", verifyErr) + } + + logger.L().Info("Successfully verified object signature", + helpers.String("namespace", obj.GetNamespace()), + helpers.String("name", obj.GetName()), + helpers.String("identity", sig.Identity), + helpers.String("issuer", sig.Issuer)) + + return nil +} + +func VerifyObjectStrict(obj SignableObject) error { + return VerifyObject(obj, WithUntrusted(false)) +} + +func VerifyObjectAllowUntrusted(obj SignableObject) error { + return VerifyObject(obj, WithUntrusted(true)) +} diff --git a/pkg/signature/verify_test.go b/pkg/signature/verify_test.go new file mode 100644 index 0000000000..70973bf2ee --- /dev/null +++ b/pkg/signature/verify_test.go @@ -0,0 +1,435 @@ +package signature + +import ( + "io" + "os" + "strings" + "testing" + + logger "github.com/kubescape/go-logger" + "github.com/kubescape/node-agent/pkg/signature/profiles" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +func TestVerifyObjectStrict(t *testing.T) { + if os.Getenv("ENABLE_KEYLESS_TESTS") == "" { + t.Skip("Skipping TestVerifyObjectStrict. Set ENABLE_KEYLESS_TESTS to run.") + } + profileContent := map[string]interface{}{ + "type": "test-profile", + "data": "test-data", + "value": 123, + } + + profile := NewMockSignableObject("test-uid", "test-ns", "test-profile-verify", profileContent) + + err := SignObjectKeyless(profile) + if err != nil { + t.Fatalf("SignObjectKeyless failed: %v", err) + } + + err = VerifyObjectStrict(profile) + if err != nil { + t.Fatalf("VerifyObjectStrict failed: %v", err) + } +} + +func TestVerifyObjectAllowUntrusted(t *testing.T) { + profileContent := map[string]interface{}{ + "type": "test-profile", + "data": "test-data", + "value": 456, + } + + profile := NewMockSignableObject("test-uid", "test-ns", "test-profile-verify-2", profileContent) + + err := SignObjectDisableKeyless(profile) + if err != nil { + t.Fatalf("SignObjectDisableKeyless failed: %v", err) + } + + err = VerifyObjectAllowUntrusted(profile) + if err != nil { + t.Fatalf("VerifyObjectAllowUntrusted failed: %v", err) + } +} + +func TestVerifyObjectTampered(t *testing.T) { + if os.Getenv("ENABLE_KEYLESS_TESTS") == "" { + t.Skip("Skipping TestVerifyObjectTampered. Set ENABLE_KEYLESS_TESTS to run.") + } + originalContent := map[string]interface{}{ + "type": "test-profile", + "data": "test-data", + "value": 789, + "confident": "secret", + } + + profile := NewMockSignableObject("test-uid", "test-ns", "test-profile-tamper", originalContent) + + err := SignObjectKeyless(profile) + if err != nil { + t.Fatalf("SignObjectKeyless failed: %v", err) + } + + tamperedContent := map[string]interface{}{ + "type": "test-profile", + "data": "test-data", + "value": 999, + "confident": "mod", + } + profile.content = tamperedContent + + err = VerifyObjectStrict(profile) + if err == nil { + t.Error("Expected verification failure for tampered profile, got success") + } +} + +func TestVerifyObjectNoAnnotations(t *testing.T) { + profileContent := map[string]interface{}{ + "type": "test-profile", + "data": "test-data", + } + + profile := NewMockSignableObject("test-uid", "test-ns", "test-profile-no-sig", profileContent) + + err := VerifyObjectStrict(profile) + if err == nil { + t.Error("Expected error for profile without annotations, got nil") + } +} + +func TestVerifyObjectMissingSignature(t *testing.T) { + profileContent := map[string]interface{}{ + "type": "test-profile", + "data": "test-data", + } + + profile := NewMockSignableObject("test-uid", "test-ns", "test-profile-missing-sig", profileContent) + profile.SetAnnotations(map[string]string{ + AnnotationIssuer: "test-issuer", + AnnotationIdentity: "test-identity", + }) + + err := VerifyObjectStrict(profile) + if err == nil { + t.Error("Expected error for profile without signature annotation, got nil") + } +} + +func TestSignAndVerifyRoundTrip(t *testing.T) { + if os.Getenv("ENABLE_KEYLESS_TESTS") == "" { + t.Skip("Skipping TestSignAndVerifyRoundTrip. Set ENABLE_KEYLESS_TESTS to run.") + } + profileContent := map[string]interface{}{ + "type": "roundtrip-profile", + "containers": []string{"nginx", "redis"}, + "capabilities": []string{"NET_BIND_SERVICE"}, + "networkPolicy": "allow", + } + + profile := NewMockSignableObject("roundtrip-uid", "roundtrip-ns", "roundtrip-profile", profileContent) + + err := SignObjectKeyless(profile) + if err != nil { + t.Fatalf("SignObjectKeyless failed: %v", err) + } + + if !IsSigned(profile) { + t.Fatal("Profile should be signed after signing") + } + + sig, err := GetObjectSignature(profile) + if err != nil { + t.Fatalf("GetObjectSignature failed: %v", err) + } + + if len(sig.Signature) == 0 { + t.Error("Signature should not be empty") + } + + err = VerifyObjectStrict(profile) + if err != nil { + t.Fatalf("VerifyObjectStrict failed after signing: %v", err) + } +} + +func TestSignAndVerifyDifferentKeys(t *testing.T) { + if os.Getenv("ENABLE_KEYLESS_TESTS") == "" { + t.Skip("Skipping TestSignAndVerifyDifferentKeys. Set ENABLE_KEYLESS_TESTS to run.") + } + profileContent := map[string]interface{}{ + "type": "multi-key-test", + "data": "data", + } + + profile1 := NewMockSignableObject("uid1", "ns", "profile1", profileContent) + profile2 := NewMockSignableObject("uid2", "ns", "profile2", profileContent) + + err := SignObjectDisableKeyless(profile1) + if err != nil { + t.Fatalf("SignObjectDisableKeyless failed for profile1: %v", err) + } + + err = SignObjectKeyless(profile2) + if err != nil { + t.Fatalf("SignObjectKeyless failed for profile2: %v", err) + } + + sig1, err := GetObjectSignature(profile1) + if err != nil { + t.Fatalf("GetObjectSignature failed for profile1: %v", err) + } + + sig2, err := GetObjectSignature(profile2) + if err != nil { + t.Fatalf("GetObjectSignature failed for profile2: %v", err) + } + + if sig1.Issuer != "local" { + t.Errorf("Expected key-based signing issuer 'local', got '%s'", sig1.Issuer) + } + + if sig1.Identity != "local-key" { + t.Errorf("Expected key-based signing identity 'local-key', got '%s'", sig1.Identity) + } + + if sig2.Issuer == "" { + t.Errorf("Expected keyless signing to have issuer, got empty") + } + + if sig2.Identity == "" { + t.Errorf("Expected keyless signing to have identity, got empty") + } +} + +// captureLogOutput redirects the global logger to a pipe, runs fn, and returns +// the captured log text. The logger is restored to its previous writer afterward. +func captureLogOutput(t *testing.T, fn func()) string { + t.Helper() + + // Ensure the global logger is initialized as pretty (supports SetWriter). + logger.InitLogger("pretty") + + oldWriter := logger.L().GetWriter() + r, w, err := os.Pipe() + if err != nil { + t.Fatalf("os.Pipe: %v", err) + } + logger.L().SetWriter(w) + + fn() + + w.Close() + var buf strings.Builder + io.Copy(&buf, r) + r.Close() + + // Restore original writer. + logger.L().SetWriter(oldWriter) + + return buf.String() +} + +// TestTamperedAPLogsWarning signs an ApplicationProfile, tampers with it, +// verifies it, and asserts the warning log contains the expected fields: +// namespace, name, and "Object signature verification failed". +func TestTamperedAPLogsWarning(t *testing.T) { + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "tamper-warn-ap", + Namespace: "tamper-ns", + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "curl", + Execs: []v1beta1.ExecCalls{{Path: "/usr/bin/curl"}}, + Syscalls: []string{"read", "write"}, + }, + }, + }, + } + + adapter := profiles.NewApplicationProfileAdapter(ap) + if err := SignObjectDisableKeyless(adapter); err != nil { + t.Fatalf("sign failed: %v", err) + } + + // Tamper: add an exec entry. + ap.Spec.Containers[0].Execs = append(ap.Spec.Containers[0].Execs, + v1beta1.ExecCalls{Path: "/usr/bin/nslookup"}) + + tamperedAdapter := profiles.NewApplicationProfileAdapter(ap) + + logOutput := captureLogOutput(t, func() { + err := VerifyObjectAllowUntrusted(tamperedAdapter) + if err == nil { + t.Error("expected verification to fail for tampered AP") + } + }) + + // Assert warning log contains expected fields. + if !strings.Contains(logOutput, "Object signature verification failed") { + t.Errorf("expected warning message in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "tamper-ns") { + t.Errorf("expected namespace 'tamper-ns' in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "tamper-warn-ap") { + t.Errorf("expected name 'tamper-warn-ap' in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "invalid signature") { + t.Errorf("expected 'invalid signature' in log output, got:\n%s", logOutput) + } +} + +// TestTamperedNNLogsWarning signs a NetworkNeighborhood, tampers with it, +// verifies it, and asserts the warning log contains the expected fields. +func TestTamperedNNLogsWarning(t *testing.T) { + nn := &v1beta1.NetworkNeighborhood{ + ObjectMeta: metav1.ObjectMeta{ + Name: "tamper-warn-nn", + Namespace: "tamper-ns", + }, + Spec: v1beta1.NetworkNeighborhoodSpec{ + Containers: []v1beta1.NetworkNeighborhoodContainer{ + { + Name: "curl", + Egress: []v1beta1.NetworkNeighbor{ + { + Identifier: "legit", + DNSNames: []string{"example.com."}, + IPAddress: "93.184.216.34", + }, + }, + }, + }, + }, + } + + adapter := profiles.NewNetworkNeighborhoodAdapter(nn) + if err := SignObjectDisableKeyless(adapter); err != nil { + t.Fatalf("sign failed: %v", err) + } + + // Tamper: add an egress entry. + nn.Spec.Containers[0].Egress = append(nn.Spec.Containers[0].Egress, + v1beta1.NetworkNeighbor{ + Identifier: "evil", + DNSNames: []string{"evil-c2.io."}, + IPAddress: "6.6.6.6", + }) + + tamperedAdapter := profiles.NewNetworkNeighborhoodAdapter(nn) + + logOutput := captureLogOutput(t, func() { + err := VerifyObjectAllowUntrusted(tamperedAdapter) + if err == nil { + t.Error("expected verification to fail for tampered NN") + } + }) + + if !strings.Contains(logOutput, "Object signature verification failed") { + t.Errorf("expected warning message in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "tamper-ns") { + t.Errorf("expected namespace 'tamper-ns' in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "tamper-warn-nn") { + t.Errorf("expected name 'tamper-warn-nn' in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "invalid signature") { + t.Errorf("expected 'invalid signature' in log output, got:\n%s", logOutput) + } +} + +// TestSuccessfulVerifyLogsInfo verifies that a valid signature produces the +// "Successfully verified object signature" info log with identity and issuer. +func TestSuccessfulVerifyLogsInfo(t *testing.T) { + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "valid-ap", + Namespace: "valid-ns", + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "nginx", + Execs: []v1beta1.ExecCalls{{Path: "/usr/sbin/nginx"}}, + Syscalls: []string{"read", "write", "openat"}, + }, + }, + }, + } + + adapter := profiles.NewApplicationProfileAdapter(ap) + if err := SignObjectDisableKeyless(adapter); err != nil { + t.Fatalf("sign failed: %v", err) + } + + logOutput := captureLogOutput(t, func() { + if err := VerifyObjectAllowUntrusted(adapter); err != nil { + t.Fatalf("expected verification to succeed: %v", err) + } + }) + + if !strings.Contains(logOutput, "Successfully verified object signature") { + t.Errorf("expected info message in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "valid-ns") { + t.Errorf("expected namespace 'valid-ns' in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "valid-ap") { + t.Errorf("expected name 'valid-ap' in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "local-key") { + t.Errorf("expected identity 'local-key' in log output, got:\n%s", logOutput) + } +} + +// TestSignLogsInfo verifies that signing an object produces the +// "Successfully signed object" info log with identity and issuer. +func TestSignLogsInfo(t *testing.T) { + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "sign-log-ap", + Namespace: "sign-ns", + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "app", + Execs: []v1beta1.ExecCalls{{Path: "/app/main"}}, + Syscalls: []string{"read"}, + }, + }, + }, + } + + adapter := profiles.NewApplicationProfileAdapter(ap) + + logOutput := captureLogOutput(t, func() { + if err := SignObjectDisableKeyless(adapter); err != nil { + t.Fatalf("sign failed: %v", err) + } + }) + + if !strings.Contains(logOutput, "Successfully signed object") { + t.Errorf("expected sign info message in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "sign-ns") { + t.Errorf("expected namespace 'sign-ns' in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "sign-log-ap") { + t.Errorf("expected name 'sign-log-ap' in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "local-key") { + t.Errorf("expected identity 'local-key' in log output, got:\n%s", logOutput) + } + if !strings.Contains(logOutput, "local") { + t.Errorf("expected issuer 'local' in log output, got:\n%s", logOutput) + } +} diff --git a/scripts/HOWTO.md b/scripts/HOWTO.md new file mode 100644 index 0000000000..5be44df97c --- /dev/null +++ b/scripts/HOWTO.md @@ -0,0 +1,104 @@ +# Fork Workflow: k8sstormcenter/node-agent + +## Branch structure + +``` +upstream/main: A --- B --- C --- D (kubescape/node-agent) + \ +fork main: D --- [feat-X] --- [fork-only: .github/*] + \ +feature branch: feat/my-feature (1-2 clean commits) +``` + +**Rules:** +- Fork `main` always has a **fork-only `.github/` commit as the tip** — this is never sent upstream. +- Feature branches start from `main~1` (before the fork-only commit). +- Each feature is a small, focused branch with clean commits. + +## Day-to-day workflow + +### 1. Sync fork with upstream + +```bash +git fetch upstream +git checkout main + +# Rebase your features onto latest upstream (fork-only commit stays on top) +git rebase upstream/main + +# Force-push (safe — your main is the source of truth) +git push origin main --force-with-lease +``` + +### 2. Start a new feature + +```bash +# Always branch from main~1 (before fork-only commit) +git checkout -b feat/my-feature main~1 + +# Develop... +# Commit (sign your commits) +# Test locally with local-ci.sh or CI +``` + +### 3. Test on your fork + +```bash +# Push feature branch to your fork +git push origin feat/my-feature + +# Merge into fork main (keeps fork-only commit on top): +git checkout main +git rebase --onto feat/my-feature main~2 main +# This replays [feat/my-feature commits] + [fork-only commit] onto the feature +git push origin main --force-with-lease +``` + +Or simpler: just push the feature branch and trigger CI via workflow_dispatch. + +### 4. Create upstream PR + +```bash +# Use the script — it cherry-picks your feature onto upstream/main, +# stripping any .github/ changes automatically +./scripts/upstream-pr.sh feat/my-feature + +# Verify it's clean +git diff --stat upstream/main upstream/my-feature -- .github/ # should be empty + +# Push to upstream and open PR +git push upstream upstream/my-feature +``` + +Then open the PR at `https://github.com/kubescape/node-agent/compare/main...upstream/my-feature` + +### 5. After upstream merges your PR + +```bash +# Sync +git fetch upstream +git checkout main +git rebase upstream/main +git push origin main --force-with-lease + +# Clean up +git branch -d feat/my-feature +git branch -d upstream/my-feature +git push origin --delete feat/my-feature +``` + +## What NOT to do + +- **Don't develop on `main` directly** — always use feature branches. +- **Don't squash-merge upstream into your fork** — this is what caused the old mess (regressions baked into squash commits). Use `rebase` instead. +- **Don't mix `.github/` changes with feature commits** — keep them in the fork-only tip commit only. +- **Don't push the node-agent image as `latest` from feature branches** — use dedicated tags (`build.yaml` is already configured for this). + +## Key files + +| File | Purpose | +|---|---| +| `scripts/upstream-pr.sh` | Creates upstream-clean branches for PRs | +| `tests/scripts/local-ci.sh` | Runs component tests locally in Kind | +| `.github/workflows/component-tests.yaml` | Fork CI (triggers on `main`) | +| `.github/workflows/build.yaml` | Builds node-agent image (no `latest` tag) | diff --git a/scripts/upstream-pr.sh b/scripts/upstream-pr.sh new file mode 100755 index 0000000000..773f38ed69 --- /dev/null +++ b/scripts/upstream-pr.sh @@ -0,0 +1,91 @@ +#!/bin/bash +# upstream-pr.sh — Create an upstream-clean branch for PRing to kubescape/node-agent +# +# Your fork's main looks like: +# +# upstream/main --- [feat-A] --- [feat-B] --- [fork-only: .github/*] +# ^^ always the tip +# +# This script takes a feature branch (based on main~1), cherry-picks its +# commits onto upstream/main, and strips any .github/ changes so the +# result is clean for an upstream PR. +# +# Usage: +# ./scripts/upstream-pr.sh [upstream-branch-name] +# +# Examples: +# ./scripts/upstream-pr.sh feat/signature-verification +# ./scripts/upstream-pr.sh feat/signature-verification upstream-sig-verify +# +set -euo pipefail + +FEATURE="${1:?Usage: $0 [upstream-branch-name]}" +# Default upstream branch name: strip "feat/" prefix, prepend "upstream/" +DEFAULT_NAME="upstream/${FEATURE#feat/}" +UPSTREAM_BRANCH="${2:-$DEFAULT_NAME}" + +echo "=== upstream-pr ===" +echo " Feature branch : $FEATURE" +echo " Upstream branch: $UPSTREAM_BRANCH" +echo "" + +# Ensure we have the latest upstream +git fetch upstream + +# Fail if the branch already exists +if git rev-parse --verify "$UPSTREAM_BRANCH" &>/dev/null; then + echo "ERROR: Branch '$UPSTREAM_BRANCH' already exists." + echo " Delete it first: git branch -D $UPSTREAM_BRANCH" + exit 1 +fi + +# Find commits on the feature branch that are above origin/main +COMMITS=$(git rev-list --reverse origin/main.."$FEATURE") +if [ -z "$COMMITS" ]; then + echo "ERROR: No commits found on '$FEATURE' above origin/main." + exit 1 +fi + +# Create branch from upstream/main +git checkout -b "$UPSTREAM_BRANCH" upstream/main + +APPLIED=0 +SKIPPED=0 +for commit in $COMMITS; do + SUBJECT=$(git log --oneline -1 "$commit") + + # Skip commits that ONLY touch .github/ + NON_GITHUB=$(git diff-tree --no-commit-id --name-only -r "$commit" | grep -v '^\.github/' || true) + if [ -z "$NON_GITHUB" ]; then + echo " SKIP (github-only): $SUBJECT" + SKIPPED=$((SKIPPED + 1)) + continue + fi + + echo " APPLY: $SUBJECT" + git cherry-pick "$commit" --no-commit + + # Remove any .github changes that came along for the ride + if git diff --cached --name-only | grep -q '^\.github/'; then + git reset HEAD -- .github/ &>/dev/null || true + git checkout -- .github/ &>/dev/null || true + fi + + # Re-commit with the original message and author + git commit -C "$commit" + APPLIED=$((APPLIED + 1)) +done + +echo "" +echo "=== Done ===" +echo " Applied: $APPLIED commits" +echo " Skipped: $SKIPPED commits (.github-only)" +echo "" +echo "Verify:" +echo " git log --oneline $UPSTREAM_BRANCH --not upstream/main" +echo " git diff --stat upstream/main $UPSTREAM_BRANCH -- .github/ # should be empty" +echo "" +echo "Push to upstream:" +echo " git push upstream $UPSTREAM_BRANCH" +echo "" +echo "Then open PR at: https://github.com/kubescape/node-agent/compare/main...$UPSTREAM_BRANCH" diff --git a/tests/component_test.go b/tests/component_test.go index 9f9ed272ed..794f953976 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -8,6 +8,7 @@ import ( "fmt" "path" "reflect" + "runtime" "slices" "sort" "strconv" @@ -19,6 +20,8 @@ import ( "github.com/kubescape/go-logger/helpers" helpersv1 "github.com/kubescape/k8s-interface/instanceidhandler/v1/helpers" "github.com/kubescape/k8s-interface/k8sinterface" + "github.com/kubescape/node-agent/pkg/signature" + "github.com/kubescape/node-agent/pkg/signature/profiles" "github.com/kubescape/node-agent/pkg/utils" "github.com/kubescape/node-agent/tests/testutils" "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" @@ -495,53 +498,246 @@ func Test_09_FalsePositiveTest(t *testing.T) { assert.Equal(t, 0, len(alerts), "Expected no alerts to be generated, but got %d alerts", len(alerts)) } +// Test_10_CryptoMinerDetection tests crypto-miner detection from two angles: +// - malware_scan: ClamAV file-scanning detects xmrig binary signature +// - empty_profile_rules: empty user-defined AP means every exec/DNS is anomalous, +// so rule-based detection fires immediately without a learning period func Test_10_MalwareDetectionTest(t *testing.T) { start := time.Now() defer tearDownTest(t, start) - t.Log("Creating namespace") - ns := testutils.NewRandomNamespace() + // --------------------------------------------------------------- + // 10a. Malware file-scanning (ClamAV signature match) + // --------------------------------------------------------------- + t.Run("malware_scan", func(t *testing.T) { + ns := testutils.NewRandomNamespace() - t.Log("Deploy container with malware") - exitCode := testutils.RunCommand("kubectl", "run", "-n", ns.Name, "malware-cryptominer", "--image=quay.io/petr_ruzicka/malware-cryptominer-container:2.0.2") - require.Equalf(t, 0, exitCode, "expected no error when deploying malware container") + t.Log("Deploy container with malware") + exitCode := testutils.RunCommand("kubectl", "run", "-n", ns.Name, "malware-cryptominer", "--image=quay.io/petr_ruzicka/malware-cryptominer-container:2.0.2") + require.Equalf(t, 0, exitCode, "expected no error when deploying malware container") - // Wait for pod to be ready - exitCode = testutils.RunCommand("kubectl", "wait", "--for=condition=Ready", "pod", "malware-cryptominer", "-n", ns.Name, "--timeout=300s") - require.Equalf(t, 0, exitCode, "expected no error when waiting for pod to be ready") + exitCode = testutils.RunCommand("kubectl", "wait", "--for=condition=Ready", "pod", "malware-cryptominer", "-n", ns.Name, "--timeout=300s") + require.Equalf(t, 0, exitCode, "expected no error when waiting for pod to be ready") - // wait for application profile to be completed - time.Sleep(3 * time.Minute) + // Wait for application profile to be completed. + time.Sleep(3 * time.Minute) - _, _, err := testutils.ExecIntoPod("malware-cryptominer", ns.Name, []string{"ls", "-l", "/usr/share/nginx/html/xmrig"}, "") - require.NoErrorf(t, err, "expected no error when executing command in malware container") + _, _, err := testutils.ExecIntoPod("malware-cryptominer", ns.Name, []string{"ls", "-l", "/usr/share/nginx/html/xmrig"}, "") + require.NoErrorf(t, err, "expected no error when executing command in malware container") - _, _, err = testutils.ExecIntoPod("malware-cryptominer", ns.Name, []string{"/usr/share/nginx/html/xmrig/xmrig"}, "") + _, _, err = testutils.ExecIntoPod("malware-cryptominer", ns.Name, []string{"/usr/share/nginx/html/xmrig/xmrig"}, "") - // wait for the alerts to be generated - time.Sleep(20 * time.Second) + time.Sleep(20 * time.Second) - alerts, err := testutils.GetMalwareAlerts(ns.Name) - require.NoError(t, err, "Error getting alerts") + alerts, err := testutils.GetMalwareAlerts(ns.Name) + require.NoError(t, err, "Error getting alerts") - expectedMalwares := []string{ - "Multios.Coinminer.Miner-6781728-2.UNOFFICIAL", - } + expectedMalwares := []string{ + "Multios.Coinminer.Miner-6781728-2.UNOFFICIAL", + } + + malwaresDetected := map[string]bool{} + for _, alert := range alerts { + podName, podNameOk := alert.Labels["pod_name"] + malwareName, malwareNameOk := alert.Labels["malware_name"] + if podNameOk && malwareNameOk { + if podName == "malware-cryptominer" && slices.Contains(expectedMalwares, malwareName) { + malwaresDetected[malwareName] = true + } + } + } - malwaresDetected := map[string]bool{} + assert.Equal(t, len(expectedMalwares), len(malwaresDetected), + "Expected %d malwares to be detected, but got %d", len(expectedMalwares), len(malwaresDetected)) + }) - for _, alert := range alerts { - podName, podNameOk := alert.Labels["pod_name"] - malwareName, malwareNameOk := alert.Labels["malware_name"] + // --------------------------------------------------------------- + // 10b. Behavioral rule detection with empty user-defined AP. + // The miner starts immediately; because the AP declares nothing, + // every exec, DNS lookup, and network connection is anomalous. + // + // Expected rules: + // R0001: Unexpected process launched (every exec) + // R0003: Syscalls Anomalies (empty syscall list) + // + // Rules that MAY fire depending on network conditions: + // R0005: DNS Anomalies (requires DNS responses with answers; + // trace_dns drops NXDOMAIN, so behind a firewall these + // won't arrive) + // R1008: Crypto Mining Domain Communication (same DNS dependency) + // R1009: Crypto Mining Related Port Communication (requires TCP + // connectivity to mining pool ports 3333/45700) + // R1007: Crypto miner launched via randomx (amd64 only) + // + // Race condition note: the node-agent fetches the user-defined AP + // from storage asynchronously after detecting the container. Events + // arriving before the fetch completes see profileExists=false, + // causing Required rules (R0001 etc.) to be skipped. The miner's + // initial exec happens during this window — so we must exec into + // the pod AFTER the profile is cached to generate observable exec + // events. + // --------------------------------------------------------------- + t.Run("empty_profile_rules", func(t *testing.T) { + ns := testutils.NewRandomNamespace() + k8sClient := k8sinterface.NewKubernetesApi() + storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) + + // Create an ApplicationProfile with an empty container entry for k8s-miner. + // The container name must match the pod's container so + // GetContainerFromApplicationProfile finds it. With no execs, syscalls, + // opens, or capabilities listed, every operation is anomalous. + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "crypto2", + Namespace: ns.Name, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + {Name: "k8s-miner"}, + }, + }, + } + + _, err := storageClient.ApplicationProfiles(ns.Name).Create( + context.Background(), ap, metav1.CreateOptions{}) + require.NoError(t, err, "create empty AP in storage") + + require.Eventually(t, func() bool { + _, getErr := storageClient.ApplicationProfiles(ns.Name).Get( + context.Background(), "crypto2", v1.GetOptions{}) + return getErr == nil + }, 30*time.Second, 1*time.Second, "empty AP must be stored") + + // Deploy crypto miner with user-defined profile label. + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/crypto-miner-deployment.yaml")) + require.NoError(t, err) + require.NoError(t, wl.WaitForReady(80)) + t.Log("Crypto miner pod is ready") + + // Wait for node-agent to fetch the user-defined AP from storage and + // cache it. The miner's initial execve races with this fetch, so + // R0001 is skipped for that event. Syscalls keep flowing, so R0003 + // fires once the profile is cached. + time.Sleep(20 * time.Second) + + // Exec into the pod to generate post-profile-load events: + // exec event → R0001 (cat not in empty AP) + // open event → R0002 (/etc/hostname starts with /etc/) + stdout, stderr, execErr := wl.ExecIntoPod([]string{"cat", "/etc/hostname"}, "k8s-miner") + t.Logf("exec cat /etc/hostname: err=%v stdout=%q stderr=%q", execErr, stdout, stderr) + + // Collect alerts — R0001 must appear from the exec above. + var alerts []testutils.Alert + require.Eventually(t, func() bool { + alerts, err = testutils.GetAlerts(ns.Name) + if err != nil || len(alerts) == 0 { + return false + } + for _, a := range alerts { + if a.Labels["rule_id"] == "R0001" { + return true + } + } + return false + }, 120*time.Second, 10*time.Second, "expected R0001 alert from exec with empty AP") + + time.Sleep(15 * time.Second) + alerts, _ = testutils.GetAlerts(ns.Name) + + t.Logf("=== %d alerts ===", len(alerts)) + for i, a := range alerts { + t.Logf(" [%d] %s(%s) comm=%s container=%s", + i, a.Labels["rule_name"], a.Labels["rule_id"], + a.Labels["comm"], a.Labels["container_name"]) + } - if podNameOk && malwareNameOk { - if podName == "malware-cryptominer" && slices.Contains(expectedMalwares, malwareName) { - malwaresDetected[malwareName] = true + rulesSeen := map[string]bool{} + for _, a := range alerts { + rulesSeen[a.Labels["rule_id"]] = true + } + + // These rules must fire with an empty AP — every operation is anomalous. + assert.True(t, rulesSeen["R0001"], + "R0001 (Unexpected process launched) must fire — cat exec not in empty AP") + assert.True(t, rulesSeen["R0002"], + "R0002 (Files Access Anomalies) must fire — /etc/hostname not in empty AP opens") + assert.True(t, rulesSeen["R0003"], + "R0003 (Syscalls Anomalies) must fire — miner syscalls not in empty AP") + assert.True(t, rulesSeen["R0004"], + "R0004 (Linux Capabilities Anomalies) must fire — capabilities not in empty AP") + + // DNS/network rules depend on the miner resolving pool domains and + // establishing TCP connections. In sandboxed/firewalled environments + // these won't fire: trace_dns drops NXDOMAIN, and TCP to mining + // ports is blocked. Log what fired for visibility. + for _, entry := range []struct { + id, desc string + }{ + {"R0005", "DNS Anomalies"}, + {"R1007", "Crypto miner launched via randomx"}, + {"R1008", "Crypto Mining Domain Communication"}, + {"R1009", "Crypto Mining Related Port Communication"}, + } { + if rulesSeen[entry.id] { + t.Logf("%s (%s) fired", entry.id, entry.desc) } } - } + }) + + // --------------------------------------------------------------- + // 10c. RandomX detection (R1007) via xmrig benchmark mode. + // Uses --bench 1M which runs RandomX hashing without a pool + // connection, reliably triggering the x86 FPU tracepoint + // that the randomx eBPF gadget monitors. + // x86_64 (amd64) only — the gadget is disabled on arm64. + // --------------------------------------------------------------- + t.Run("randomx_bench", func(t *testing.T) { + if runtime.GOARCH != "amd64" { + t.Skip("randomx tracer is x86_64 only") + } + + ns := testutils.NewRandomNamespace() + + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/crypto-miner-deployment.yaml")) + require.NoError(t, err) + require.NoError(t, wl.WaitForReady(80)) + t.Log("xmrig benchmark pod is ready, waiting for RandomX FPU events...") + + // xmrig needs ~5s to init the RandomX dataset, then starts hashing. + // The eBPF gadget needs 5 FPU events within 5s to fire. + // Give it 30s total. + var alerts []testutils.Alert + require.Eventually(t, func() bool { + alerts, err = testutils.GetAlerts(ns.Name) + if err != nil || len(alerts) == 0 { + return false + } + for _, a := range alerts { + if a.Labels["rule_id"] == "R1007" { + return true + } + } + return false + }, 120*time.Second, 10*time.Second, "expected R1007 (RandomX crypto miner) from xmrig --bench") + + alerts, _ = testutils.GetAlerts(ns.Name) + t.Logf("=== %d alerts ===", len(alerts)) + for i, a := range alerts { + t.Logf(" [%d] %s(%s) comm=%s container=%s", + i, a.Labels["rule_name"], a.Labels["rule_id"], + a.Labels["comm"], a.Labels["container_name"]) + } + + rulesSeen := map[string]bool{} + for _, a := range alerts { + rulesSeen[a.Labels["rule_id"]] = true + } - assert.Equal(t, len(expectedMalwares), len(malwaresDetected), "Expected %d malwares to be detected, but got %d malwares", len(expectedMalwares), len(malwaresDetected)) + assert.True(t, rulesSeen["R1007"], + "R1007 (Crypto miner launched via randomx) must fire — xmrig benchmark runs RandomX hashing") + }) } func Test_11_EndpointTest(t *testing.T) { @@ -1625,8 +1821,9 @@ func Test_27_ApplicationProfileOpens(t *testing.T) { }() // deployWithProfile creates a user-defined ApplicationProfile with the - // given Opens list, deploys nginx with the kubescape.io/user-defined-profile - // label pointing at it, and waits for the pod + cache to be ready. + // given Opens list, polls until it is retrievable from storage, then + // deploys nginx with the kubescape.io/user-defined-profile label + // pointing at it, and waits for the pod to be ready. deployWithProfile := func(t *testing.T, opens []v1beta1.OpenCalls) *testutils.TestWorkload { t.Helper() ns := testutils.NewRandomNamespace() @@ -1656,24 +1853,42 @@ func Test_27_ApplicationProfileOpens(t *testing.T) { context.Background(), profile, metav1.CreateOptions{}) require.NoError(t, err, "create user-defined profile %q in ns %s", profileName, ns.Name) + // Poll until the profile is retrievable from storage before deploying. + // Node-agent does a single fetch on container start with no retry. + require.Eventually(t, func() bool { + _, apErr := storageClient.ApplicationProfiles(ns.Name).Get( + context.Background(), profileName, v1.GetOptions{}) + return apErr == nil + }, 30*time.Second, 1*time.Second, "AP must be retrievable from storage before deploying the pod") + wl, err := testutils.NewTestWorkload(ns.Name, path.Join(utils.CurrentDir(), "resources/nginx-user-profile-deployment.yaml")) require.NoError(t, err, "create workload in ns %s", ns.Name) require.NoError(t, wl.WaitForReady(80), "workload not ready in ns %s", ns.Name) - time.Sleep(20 * time.Second) // let node-agent pick up the profile + // Wait for node-agent to load the user-defined profile into cache. + time.Sleep(10 * time.Second) return wl } - // triggerAndGetAlerts execs cat on the given path and returns the alerts. + // triggerAndGetAlerts execs cat on the given path, then polls for alerts + // up to 60s to avoid race conditions with alert propagation. triggerAndGetAlerts := func(t *testing.T, wl *testutils.TestWorkload, filePath string) []testutils.Alert { t.Helper() stdout, stderr, err := wl.ExecIntoPod([]string{"cat", filePath}, "nginx") if err != nil { t.Errorf("exec 'cat %s' in container nginx failed: %v (stdout=%q stderr=%q)", filePath, err, stdout, stderr) } - time.Sleep(30 * time.Second) - alerts, err := testutils.GetAlerts(wl.Namespace) + // Poll for alerts — they may take time to propagate through + // eBPF → node-agent → alertmanager. + var alerts []testutils.Alert + require.Eventually(t, func() bool { + alerts, err = testutils.GetAlerts(wl.Namespace) + return err == nil + }, 60*time.Second, 5*time.Second, "alerts must be retrievable from ns %s", wl.Namespace) + // Give extra time for all alerts to arrive after first successful fetch. + time.Sleep(10 * time.Second) + alerts, err = testutils.GetAlerts(wl.Namespace) require.NoError(t, err, "get alerts from ns %s", wl.Namespace) return alerts } @@ -1886,17 +2101,25 @@ func Test_27_ApplicationProfileOpens(t *testing.T) { context.Background(), profile, metav1.CreateOptions{}) require.NoError(t, err, "create wildcard profile %q in ns %s", wildcardProfileName, ns.Name) + // Poll until the profile is retrievable from storage before deploying. + require.Eventually(t, func() bool { + _, apErr := storageClient.ApplicationProfiles(ns.Name).Get( + context.Background(), wildcardProfileName, v1.GetOptions{}) + return apErr == nil + }, 30*time.Second, 1*time.Second, "AP must be retrievable before deploying the pod") + wl, err := testutils.NewTestWorkload(ns.Name, path.Join(utils.CurrentDir(), "resources/curl-user-profile-wildcards-deployment.yaml")) require.NoError(t, err, "create curl workload in ns %s", ns.Name) require.NoError(t, wl.WaitForReady(80), "curl workload not ready in ns %s", ns.Name) - time.Sleep(20 * time.Second) // let node-agent pick up the profile + // Wait for node-agent to load the user-defined profile into cache. + time.Sleep(10 * time.Second) // Cat files that are covered by the wildcard opens. allowedFiles := []string{ - "/etc/hosts", // covered by /etc/* - "/etc/resolv.conf", // covered by /etc/* + "/etc/hosts", // covered by /etc/* + "/etc/resolv.conf", // covered by /etc/* "/etc/ssl/openssl.cnf", // exact match } for _, f := range allowedFiles { @@ -1906,8 +2129,8 @@ func Test_27_ApplicationProfileOpens(t *testing.T) { } } - time.Sleep(30 * time.Second) // let alerts propagate - + // Poll for alerts to propagate. + time.Sleep(15 * time.Second) alerts, err := testutils.GetAlerts(wl.Namespace) require.NoError(t, err, "get alerts from ns %s", wl.Namespace) @@ -1930,168 +2153,616 @@ func Test_27_ApplicationProfileOpens(t *testing.T) { }) } -// Test_28_UserDefinedNetworkNeighborhood creates user-defined AP and NN, -// deploys a pod with both user-defined-profile and user-defined-network -// labels (skipping all learning), then triggers: -// - TCP egress to IPs NOT in the NN → R0011 "Unexpected Egress Network Traffic" -// - DNS lookups for domains NOT in the NN → R0005 "DNS Anomalies in container" +// Test_28_UserDefinedNetworkNeighborhood exercises user-defined AP + NN. +// Each subtest gets its own namespace to avoid alert cross-contamination. // -// Note: R0005 requires real resolvable domains (not NXDOMAIN), because the -// trace_dns eBPF callback drops DNS responses with 0 answers. +// The NN allows only fusioncore.ai (162.0.217.171) on TCP/80. +// R0005 requires real resolvable domains (not NXDOMAIN), because trace_dns +// drops DNS responses with 0 answers. func Test_28_UserDefinedNetworkNeighborhood(t *testing.T) { start := time.Now() defer tearDownTest(t, start) + // setup creates a namespace with user-defined AP + NN + pod. + // The NN allows only fusioncore.ai (162.0.217.171) on TCP/80. + setup := func(t *testing.T) *testutils.TestWorkload { + t.Helper() + ns := testutils.NewRandomNamespace() + k8sClient := k8sinterface.NewKubernetesApi() + storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) + + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "curl-ap", + Namespace: ns.Name, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "curl", + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/sleep"}, + {Path: "/usr/bin/curl"}, + {Path: "/usr/bin/nslookup"}, + {Path: "/usr/bin/wget"}, + }, + Syscalls: []string{"socket", "connect", "sendto", "recvfrom", "read", "write", "close", "openat", "mmap", "mprotect", "munmap", "fcntl", "ioctl", "poll", "epoll_create1", "epoll_ctl", "epoll_wait", "bind", "listen", "accept4", "getsockopt", "setsockopt", "getsockname", "getpid", "fstat", "rt_sigaction", "rt_sigprocmask", "writev"}, + }, + }, + }, + } + _, err := storageClient.ApplicationProfiles(ns.Name).Create( + context.Background(), ap, metav1.CreateOptions{}) + require.NoError(t, err, "create AP") + + nn := &v1beta1.NetworkNeighborhood{ + ObjectMeta: metav1.ObjectMeta{ + Name: "curl-nn", + Namespace: ns.Name, + Annotations: map[string]string{ + helpersv1.ManagedByMetadataKey: helpersv1.ManagedByUserValue, + helpersv1.StatusMetadataKey: helpersv1.Completed, + helpersv1.CompletionMetadataKey: helpersv1.Full, + }, + Labels: map[string]string{ + helpersv1.ApiGroupMetadataKey: "apps", + helpersv1.ApiVersionMetadataKey: "v1", + helpersv1.KindMetadataKey: "Deployment", + helpersv1.NameMetadataKey: "curl-28", + helpersv1.NamespaceMetadataKey: ns.Name, + }, + }, + Spec: v1beta1.NetworkNeighborhoodSpec{ + LabelSelector: metav1.LabelSelector{ + MatchLabels: map[string]string{"app": "curl-28"}, + }, + Containers: []v1beta1.NetworkNeighborhoodContainer{ + { + Name: "curl", + Egress: []v1beta1.NetworkNeighbor{ + { + Identifier: "fusioncore-egress", + Type: "external", + DNS: "fusioncore.ai.", + DNSNames: []string{"fusioncore.ai."}, + IPAddress: "162.0.217.171", + Ports: []v1beta1.NetworkPort{ + {Name: "TCP-80", Protocol: "TCP", Port: ptr.To(int32(80))}, + }, + }, + }, + }, + }, + }, + } + _, err = storageClient.NetworkNeighborhoods(ns.Name).Create( + context.Background(), nn, metav1.CreateOptions{}) + require.NoError(t, err, "create NN") + + require.Eventually(t, func() bool { + _, apErr := storageClient.ApplicationProfiles(ns.Name).Get(context.Background(), "curl-ap", v1.GetOptions{}) + _, nnErr := storageClient.NetworkNeighborhoods(ns.Name).Get(context.Background(), "curl-nn", v1.GetOptions{}) + return apErr == nil && nnErr == nil + }, 30*time.Second, 1*time.Second, "AP+NN must be in storage before pod deploy") + + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/nginx-user-defined-deployment.yaml")) + require.NoError(t, err) + require.NoError(t, wl.WaitForReady(80)) + time.Sleep(15 * time.Second) // let node-agent load profiles + return wl + } + + countByRule := func(alerts []testutils.Alert, ruleID string) int { + n := 0 + for _, a := range alerts { + if a.Labels["rule_id"] == ruleID { + n++ + } + } + return n + } + + waitAlerts := func(t *testing.T, ns string) []testutils.Alert { + t.Helper() + var alerts []testutils.Alert + var err error + require.Eventually(t, func() bool { + alerts, err = testutils.GetAlerts(ns) + return err == nil + }, 60*time.Second, 5*time.Second, "must be able to fetch alerts") + // Extra settle time for remaining alerts. + time.Sleep(10 * time.Second) + alerts, _ = testutils.GetAlerts(ns) + return alerts + } + + logAlerts := func(t *testing.T, alerts []testutils.Alert) { + t.Helper() + for i, a := range alerts { + t.Logf(" [%d] %s(%s) comm=%s container=%s", + i, a.Labels["rule_name"], a.Labels["rule_id"], + a.Labels["comm"], a.Labels["container_name"]) + } + } + + // --------------------------------------------------------------- + // 28a. Allowed traffic — fusioncore.ai is in the NN. + // No R0005 (DNS) and no R0011 (egress) expected. + // --------------------------------------------------------------- + t.Run("allowed_fusioncore_no_alert", func(t *testing.T) { + wl := setup(t) + + // DNS lookup via nslookup (domain in NN). + stdout, stderr, err := wl.ExecIntoPod([]string{"nslookup", "fusioncore.ai"}, "curl") + t.Logf("nslookup fusioncore.ai → err=%v stdout=%q stderr=%q", err, stdout, stderr) + + // HTTP via curl (domain + IP in NN). + stdout, stderr, err = wl.ExecIntoPod([]string{"curl", "-sm5", "http://fusioncore.ai"}, "curl") + t.Logf("curl fusioncore.ai → err=%v stdout=%q stderr=%q", err, stdout, stderr) + + alerts := waitAlerts(t, wl.Namespace) + t.Logf("=== %d alerts ===", len(alerts)) + logAlerts(t, alerts) + + assert.Equal(t, 0, countByRule(alerts, "R0005"), + "fusioncore.ai is in NN — should NOT fire R0005") + assert.Equal(t, 0, countByRule(alerts, "R0011"), + "fusioncore.ai IP is in NN — should NOT fire R0011") + }) + + // --------------------------------------------------------------- + // 28b. Unknown domains — domains NOT in the NN → R0005. + // Uses both nslookup (pure DNS) and curl (DNS + TCP). + // --------------------------------------------------------------- + t.Run("unknown_domain_R0005", func(t *testing.T) { + wl := setup(t) + + // nslookup generates a DNS query without any TCP connection. + wl.ExecIntoPod([]string{"nslookup", "google.com"}, "curl") + // curl resolves + connects. + wl.ExecIntoPod([]string{"curl", "-sm5", "http://ebpf.io"}, "curl") + wl.ExecIntoPod([]string{"curl", "-sm5", "http://cloudflare.com"}, "curl") + + alerts := waitAlerts(t, wl.Namespace) + t.Logf("=== %d alerts ===", len(alerts)) + logAlerts(t, alerts) + + require.Greater(t, countByRule(alerts, "R0005"), 0, + "unknown domains must fire R0005") + }) + + // --------------------------------------------------------------- + // 28c. Unknown IPs — raw IP egress NOT in the NN → R0011. + // --------------------------------------------------------------- + t.Run("unknown_ip_R0011", func(t *testing.T) { + wl := setup(t) + + wl.ExecIntoPod([]string{"curl", "-sm5", "http://8.8.8.8"}, "curl") + wl.ExecIntoPod([]string{"curl", "-sm5", "http://1.1.1.1"}, "curl") + + alerts := waitAlerts(t, wl.Namespace) + t.Logf("=== %d alerts ===", len(alerts)) + logAlerts(t, alerts) + + require.Greater(t, countByRule(alerts, "R0011"), 0, + "IPs not in NN must fire R0011") + }) + + // --------------------------------------------------------------- + // 28d. MITM — DNS spoofing simulation. + // fusioncore.ai is an allowed domain but the IP is spoofed. + // + // Step 1: nslookup fusioncore.ai (legitimate DNS, no alert). + // Step 2: curl --resolve fusioncore.ai:80:8.8.4.4 + // Simulates a DNS MITM returning a different IP. + // The domain is allowed but the connection goes to + // 8.8.4.4 (not 162.0.217.171) → R0011. + // --------------------------------------------------------------- + t.Run("mitm_spoofed_ip_R0011", func(t *testing.T) { + wl := setup(t) + + // Step 1: Legitimate DNS lookup — no alert expected. + wl.ExecIntoPod([]string{"nslookup", "fusioncore.ai"}, "curl") + + // Step 2: MITM — domain resolves to spoofed IP 8.8.4.4. + // curl --resolve skips DNS and connects directly to the + // spoofed IP, simulating what happens after DNS poisoning. + stdout, stderr, err := wl.ExecIntoPod( + []string{"curl", "-sm5", "--resolve", "fusioncore.ai:80:8.8.4.4", "http://fusioncore.ai"}, "curl") + t.Logf("curl MITM → err=%v stdout=%q stderr=%q", err, stdout, stderr) + + alerts := waitAlerts(t, wl.Namespace) + t.Logf("=== %d alerts ===", len(alerts)) + logAlerts(t, alerts) + + require.Greater(t, countByRule(alerts, "R0011"), 0, + "MITM: fusioncore.ai allowed but spoofed IP 8.8.4.4 must fire R0011") + }) +} + +// Test_29_SignedApplicationProfile verifies that a cryptographically signed +// ApplicationProfile can be pushed to storage, loaded by node-agent, and +// used for anomaly detection just like any other user-defined profile. +// +// The test signs an AP with key-based ECDSA (no OIDC/Sigstore needed), +// pushes it to storage, verifies the signature survives the round-trip, +// deploys a pod referencing the signed profile, and asserts that executing +// a binary NOT in the profile fires R0001 (Unexpected process launched). +func Test_29_SignedApplicationProfile(t *testing.T) { + start := time.Now() + defer tearDownTest(t, start) + ns := testutils.NewRandomNamespace() k8sClient := k8sinterface.NewKubernetesApi() storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) - // 1. Create user-defined ApplicationProfile (skip learning). + // ── 1. Build the ApplicationProfile ── + // Use nil (not empty slices) for unused fields — storage normalizes + // []string{} → nil on save, which changes the content hash. + // Matching the storage representation ensures the signature survives + // the round-trip (same approach as cluster_flow_test.go). ap := &v1beta1.ApplicationProfile{ ObjectMeta: metav1.ObjectMeta{ - Name: "curl-ap", + Name: "signed-ap", Namespace: ns.Name, - Annotations: map[string]string{ - helpersv1.ManagedByMetadataKey: helpersv1.ManagedByUserValue, - helpersv1.StatusMetadataKey: helpersv1.Completed, - helpersv1.CompletionMetadataKey: helpersv1.Full, - }, - Labels: map[string]string{ - helpersv1.ApiGroupMetadataKey: "apps", - helpersv1.ApiVersionMetadataKey: "v1", - helpersv1.KindMetadataKey: "Deployment", - helpersv1.NameMetadataKey: "curl-28", - helpersv1.NamespaceMetadataKey: ns.Name, - }, }, Spec: v1beta1.ApplicationProfileSpec{ Containers: []v1beta1.ApplicationProfileContainer{ { - Name: "curl", - Capabilities: []string{}, + Name: "curl", Execs: []v1beta1.ExecCalls{ {Path: "/bin/sleep"}, {Path: "/usr/bin/curl"}, }, - Opens: []v1beta1.OpenCalls{}, - Syscalls: []string{"socket", "connect", "sendto", "recvfrom", "read", "write", "close", "openat", "mmap", "mprotect", "munmap", "fcntl", "ioctl", "poll", "epoll_create1", "epoll_ctl", "epoll_wait", "bind", "listen", "accept4", "getsockopt", "setsockopt", "getsockname", "getpid", "fstat", "rt_sigaction", "rt_sigprocmask", "writev"}, + Syscalls: []string{"socket", "connect", "read", "write", "close", "openat"}, }, }, }, } - _, err := storageClient.ApplicationProfiles(ns.Name).Create( + + // ── 2. Sign the AP (key-based, no OIDC) ── + adapter := profiles.NewApplicationProfileAdapter(ap) + err := signature.SignObjectDisableKeyless(adapter) + require.NoError(t, err, "sign AP") + require.True(t, signature.IsSigned(adapter), "AP must be signed") + + // Verify signature locally. + require.NoError(t, signature.VerifyObjectAllowUntrusted(adapter), + "signature must verify immediately after signing") + + sig, err := signature.GetObjectSignature(adapter) + require.NoError(t, err, "extract signature") + require.NotEmpty(t, sig.Signature, "signature bytes must not be empty") + require.NotEmpty(t, sig.Certificate, "certificate must not be empty") + t.Logf("AP signed: issuer=%s identity=%s sigLen=%d", sig.Issuer, sig.Identity, len(sig.Signature)) + + // ── 3. Push signed AP to storage ── + // Create preserves annotations (including signature.*). + _, err = storageClient.ApplicationProfiles(ns.Name).Create( context.Background(), ap, metav1.CreateOptions{}) - require.NoError(t, err, "create AP curl-ap") + require.NoError(t, err, "create signed AP in storage") - // 2. Create user-defined NN allowing only fusioncore.ai on TCP/80. - nn := &v1beta1.NetworkNeighborhood{ - ObjectMeta: metav1.ObjectMeta{ - Name: "curl-nn", - Namespace: ns.Name, - Annotations: map[string]string{ - helpersv1.ManagedByMetadataKey: helpersv1.ManagedByUserValue, - helpersv1.StatusMetadataKey: helpersv1.Completed, - helpersv1.CompletionMetadataKey: helpersv1.Full, + // ── 4. Verify signature survives the storage round-trip ── + require.Eventually(t, func() bool { + stored, getErr := storageClient.ApplicationProfiles(ns.Name).Get( + context.Background(), "signed-ap", v1.GetOptions{}) + if getErr != nil { + return false + } + return signature.IsSigned(profiles.NewApplicationProfileAdapter(stored)) + }, 30*time.Second, 1*time.Second, "stored AP must retain signature annotations") + + storedAP, err := storageClient.ApplicationProfiles(ns.Name).Get( + context.Background(), "signed-ap", v1.GetOptions{}) + require.NoError(t, err) + storedAdapter := profiles.NewApplicationProfileAdapter(storedAP) + err = signature.VerifyObjectAllowUntrusted(storedAdapter) + require.NoError(t, err, "stored AP signature must still verify after round-trip") + t.Log("Signature round-trip verification passed") + + // ── 6. Deploy pod referencing the signed profile ── + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/curl-signed-deployment.yaml")) + require.NoError(t, err) + require.NoError(t, wl.WaitForReady(80)) + time.Sleep(15 * time.Second) // let node-agent load the profile + + // ── 7. Exec an allowed binary — should NOT fire R0001 ── + stdout, stderr, execErr := wl.ExecIntoPod([]string{"curl", "-sm5", "http://ebpf.io"}, "curl") + t.Logf("curl (allowed) → err=%v stdout=%q stderr=%q", execErr, stdout, stderr) + + // ── 8. Exec an anomalous binary — should fire R0001 ── + stdout, stderr, execErr = wl.ExecIntoPod([]string{"nslookup", "ebpf.io"}, "curl") + t.Logf("nslookup (anomalous) → err=%v stdout=%q stderr=%q", execErr, stdout, stderr) + + // ── 9. Wait for R0001 alert ── + var alerts []testutils.Alert + require.Eventually(t, func() bool { + alerts, err = testutils.GetAlerts(ns.Name) + if err != nil || len(alerts) == 0 { + return false + } + for _, a := range alerts { + if a.Labels["rule_id"] == "R0001" { + return true + } + } + return false + }, 60*time.Second, 5*time.Second, "nslookup is not in signed AP — must fire R0001") + + // Extra settle time. + time.Sleep(10 * time.Second) + alerts, _ = testutils.GetAlerts(ns.Name) + + t.Logf("=== %d alerts ===", len(alerts)) + for i, a := range alerts { + t.Logf(" [%d] %s(%s) comm=%s container=%s", + i, a.Labels["rule_name"], a.Labels["rule_id"], + a.Labels["comm"], a.Labels["container_name"]) + } + + // R0001 must have fired for the anomalous exec. + r0001Count := 0 + for _, a := range alerts { + if a.Labels["rule_id"] == "R0001" { + r0001Count++ + } + } + require.Greater(t, r0001Count, 0, "nslookup not in signed AP must fire R0001") +} + +// Test_30_TamperedSignedProfiles verifies that cryptographic signature +// verification detects tampering of both ApplicationProfile and +// NetworkNeighborhood objects. +// +// Current state of enforcement (as of merge): +// - enableSignatureVerification defaults to false +// - When enabled: tampered profiles are silently SKIPPED (not loaded) +// - No R-number rule fires on signature verification failure +// - User-defined NNs in addContainer() are NOT verified (known gap) +// - System fails open: no profile → no anomaly baseline → no detection +// +// This test proves: +// - The crypto layer detects tampering (sign → tamper → verify fails) +// - Without enforcement, tampered profiles are loaded and used +func Test_30_TamperedSignedProfiles(t *testing.T) { + start := time.Now() + defer tearDownTest(t, start) + + // --------------------------------------------------------------- + // 30a. Tamper detection at the crypto layer — AP and NN. + // Sign both objects, tamper their specs, verify fails. + // --------------------------------------------------------------- + t.Run("tamper_invalidates_signature", func(t *testing.T) { + // ── ApplicationProfile ── + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "tamper-test-ap", + Namespace: "tamper-test-ns", }, - Labels: map[string]string{ - helpersv1.ApiGroupMetadataKey: "apps", - helpersv1.ApiVersionMetadataKey: "v1", - helpersv1.KindMetadataKey: "Deployment", - helpersv1.NameMetadataKey: "curl-28", - helpersv1.NamespaceMetadataKey: ns.Name, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "app", + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/sleep"}, + {Path: "/usr/bin/curl"}, + }, + Syscalls: []string{"read", "write", "close"}, + }, + }, }, - }, - Spec: v1beta1.NetworkNeighborhoodSpec{ - LabelSelector: metav1.LabelSelector{ - MatchLabels: map[string]string{"app": "curl-28"}, + } + + apAdapter := profiles.NewApplicationProfileAdapter(ap) + require.NoError(t, signature.SignObjectDisableKeyless(apAdapter), "sign AP") + require.True(t, signature.IsSigned(apAdapter)) + require.NoError(t, signature.VerifyObjectAllowUntrusted(apAdapter), "untampered AP must verify") + + // Tamper: attacker adds nslookup to whitelist + ap.Spec.Containers[0].Execs = append(ap.Spec.Containers[0].Execs, + v1beta1.ExecCalls{Path: "/usr/bin/nslookup"}) + + tamperedAPAdapter := profiles.NewApplicationProfileAdapter(ap) + err := signature.VerifyObjectAllowUntrusted(tamperedAPAdapter) + require.Error(t, err, "tampered AP must fail verification") + t.Logf("AP tamper detected: %v", err) + + // ── NetworkNeighborhood ── + nn := &v1beta1.NetworkNeighborhood{ + ObjectMeta: metav1.ObjectMeta{ + Name: "tamper-test-nn", + Namespace: "tamper-test-ns", + Annotations: map[string]string{ + helpersv1.ManagedByMetadataKey: helpersv1.ManagedByUserValue, + helpersv1.StatusMetadataKey: helpersv1.Completed, + helpersv1.CompletionMetadataKey: helpersv1.Full, + }, + Labels: map[string]string{ + helpersv1.KindMetadataKey: "Deployment", + helpersv1.NameMetadataKey: "tamper-test", + }, }, - Containers: []v1beta1.NetworkNeighborhoodContainer{ - { - Name: "curl", - Egress: []v1beta1.NetworkNeighbor{ - { - Identifier: "fusioncore-egress", - Type: "external", - DNS: "fusioncore.ai.", - DNSNames: []string{"fusioncore.ai."}, - IPAddress: "162.0.217.171", - Ports: []v1beta1.NetworkPort{ - {Name: "TCP-80", Protocol: "TCP", Port: ptr.To(int32(80))}, + Spec: v1beta1.NetworkNeighborhoodSpec{ + LabelSelector: metav1.LabelSelector{ + MatchLabels: map[string]string{"app": "tamper-test"}, + }, + Containers: []v1beta1.NetworkNeighborhoodContainer{ + { + Name: "app", + Egress: []v1beta1.NetworkNeighbor{ + { + Identifier: "allowed-egress", + Type: "external", + DNS: "fusioncore.ai.", + DNSNames: []string{"fusioncore.ai."}, + IPAddress: "162.0.217.171", + Ports: []v1beta1.NetworkPort{ + {Name: "TCP-80", Protocol: "TCP", Port: ptr.To(int32(80))}, + }, }, }, }, }, }, - }, - } - _, err = storageClient.NetworkNeighborhoods(ns.Name).Create( - context.Background(), nn, metav1.CreateOptions{}) - require.NoError(t, err, "create NN curl-nn") - t.Logf("created AP + NN in ns %s", ns.Name) - - // 2b. Poll storage until both AP and NN are retrievable. - // Node-agent does a single fetch on container start with no retry, - // so the profile MUST exist before the pod is created. - require.Eventually(t, func() bool { - _, apErr := storageClient.ApplicationProfiles(ns.Name).Get(context.Background(), "curl-ap", metav1.GetOptions{}) - _, nnErr := storageClient.NetworkNeighborhoods(ns.Name).Get(context.Background(), "curl-nn", metav1.GetOptions{}) - return apErr == nil && nnErr == nil - }, 30*time.Second, 1*time.Second, "AP and NN must be retrievable from storage before deploying the pod") - t.Logf("verified AP + NN are retrievable from storage") - - // 3. Deploy curl with both user-defined labels (no learning). - wl, err := testutils.NewTestWorkload(ns.Name, path.Join(utils.CurrentDir(), "resources/nginx-user-defined-deployment.yaml")) - require.NoError(t, err) - require.NoError(t, wl.WaitForReady(80)) - t.Logf("pod ready in ns %s", ns.Name) + } - // Give node-agent time to load the user-defined profiles into cache. - time.Sleep(30 * time.Second) + nnAdapter := profiles.NewNetworkNeighborhoodAdapter(nn) + require.NoError(t, signature.SignObjectDisableKeyless(nnAdapter), "sign NN") + require.True(t, signature.IsSigned(nnAdapter)) + require.NoError(t, signature.VerifyObjectAllowUntrusted(nnAdapter), "untampered NN must verify") + + // Tamper: attacker adds a C2 domain to the egress whitelist + nn.Spec.Containers[0].Egress = append(nn.Spec.Containers[0].Egress, + v1beta1.NetworkNeighbor{ + Identifier: "c2-backdoor", + Type: "external", + DNS: "evil-c2.example.com.", + DNSNames: []string{"evil-c2.example.com."}, + IPAddress: "6.6.6.6", + Ports: []v1beta1.NetworkPort{ + {Name: "TCP-443", Protocol: "TCP", Port: ptr.To(int32(443))}, + }, + }) - // 4. Trigger anomalous traffic NOT in the NN. - exec := func(cmd []string) { - stdout, stderr, err := wl.ExecIntoPod(cmd, "curl") - t.Logf("exec %v → err=%v stdout=%q stderr=%q", cmd, err, stdout, stderr) - } + tamperedNNAdapter := profiles.NewNetworkNeighborhoodAdapter(nn) + err = signature.VerifyObjectAllowUntrusted(tamperedNNAdapter) + require.Error(t, err, "tampered NN must fail verification") + t.Logf("NN tamper detected: %v", err) + }) - // 4a. TCP egress to IPs not in NN (triggers R0011). - exec([]string{"curl", "-sm5", "http://8.8.8.8"}) - exec([]string{"curl", "-sm5", "http://1.1.1.1"}) + // --------------------------------------------------------------- + // 30b. Tampered AP is still loaded when enforcement is off. + // + // enableSignatureVerification defaults to false. + // The tampered profile is pushed to storage and node-agent + // loads it without checking the signature. Anomaly detection + // uses the tampered baseline → the attacker's added exec + // path (nslookup) is whitelisted. + // + // With enableSignatureVerification=true, the tampered profile + // would be rejected and the pod would have no baseline. + // --------------------------------------------------------------- + t.Run("tampered_profile_loaded_without_enforcement", func(t *testing.T) { + ns := testutils.NewRandomNamespace() + k8sClient := k8sinterface.NewKubernetesApi() + storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) - // 4b. DNS lookups for real resolvable domains not in NN (triggers R0005). - // Must use domains that actually resolve (non-NXDOMAIN) because trace_dns - // drops responses with 0 answers. - exec([]string{"curl", "-sm5", "http://google.com"}) - exec([]string{"curl", "-sm5", "http://ebpf.io"}) - exec([]string{"curl", "-sm5", "http://cloudflare.com"}) + // Build AP: only sleep + curl allowed. + // Use nil for unused fields (storage normalizes empty slices to nil). + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "signed-ap", + Namespace: ns.Name, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "curl", + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/sleep"}, + {Path: "/usr/bin/curl"}, + }, + Syscalls: []string{"socket", "connect", "read", "write", "close", "openat"}, + }, + }, + }, + } - // 5. Wait for alerts and assert both R0011 and R0005 fire. - time.Sleep(30 * time.Second) - alerts, err := testutils.GetAlerts(ns.Name) - require.NoError(t, err) + // Sign the AP. + apAdapter := profiles.NewApplicationProfileAdapter(ap) + require.NoError(t, signature.SignObjectDisableKeyless(apAdapter)) + require.NoError(t, signature.VerifyObjectAllowUntrusted(apAdapter), "pre-tamper verification") - t.Logf("=== %d alerts in namespace %s ===", len(alerts), ns.Name) - for i, a := range alerts { - t.Logf(" [%d] rule=%s(%s) container=%s", i, - a.Labels["rule_name"], a.Labels["rule_id"], a.Labels["container_name"]) - } + // Tamper: attacker adds nslookup to the whitelist. + ap.Spec.Containers[0].Execs = append(ap.Spec.Containers[0].Execs, + v1beta1.ExecCalls{Path: "/usr/bin/nslookup"}) - r0011Count := 0 - r0005Count := 0 - for _, a := range alerts { - switch a.Labels["rule_id"] { - case "R0011": - r0011Count++ - case "R0005": - r0005Count++ - } - } + // Signature is now invalid. + tamperedAdapter := profiles.NewApplicationProfileAdapter(ap) + require.Error(t, signature.VerifyObjectAllowUntrusted(tamperedAdapter), + "tampered AP must fail verification") - require.Greater(t, r0011Count, 0, - "expected R0011 'Unexpected Egress Network Traffic' alerts for 8.8.8.8/1.1.1.1, got none") - t.Logf("R0011 alerts: %d — user-defined NN correctly detects anomalous TCP egress", r0011Count) + // Push tampered AP to storage (signature annotations are stale). + _, err := storageClient.ApplicationProfiles(ns.Name).Create( + context.Background(), ap, metav1.CreateOptions{}) + require.NoError(t, err, "push tampered AP to storage") + + // Verify stored AP has stale signature. + require.Eventually(t, func() bool { + stored, getErr := storageClient.ApplicationProfiles(ns.Name).Get( + context.Background(), "signed-ap", v1.GetOptions{}) + if getErr != nil { + return false + } + storedAdapter := profiles.NewApplicationProfileAdapter(stored) + // Signature annotation exists but verification should fail. + if !signature.IsSigned(storedAdapter) { + return false + } + return signature.VerifyObjectAllowUntrusted(storedAdapter) != nil + }, 30*time.Second, 1*time.Second, "stored AP must have stale signature that fails verification") + t.Log("Stored AP has invalid signature (tamper detected at crypto layer)") - require.Greater(t, r0005Count, 0, - "expected R0005 'DNS Anomalies' alerts for google.com/ebpf.io/cloudflare.com, got none") - t.Logf("R0005 alerts: %d — user-defined NN correctly detects anomalous DNS lookups", r0005Count) + // Deploy pod referencing the tampered profile. + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/curl-signed-deployment.yaml")) + require.NoError(t, err) + require.NoError(t, wl.WaitForReady(80)) + time.Sleep(15 * time.Second) // let node-agent load profiles + + // Execute nslookup — the attacker added this to the whitelist. + // With enforcement OFF: profile is loaded despite invalid signature, + // so nslookup is "allowed" and R0001 should NOT fire for it. + wl.ExecIntoPod([]string{"nslookup", "ebpf.io"}, "curl") + + // Execute wget — NOT in the AP (even after tampering). + wl.ExecIntoPod([]string{"wget", "-qO-", "--timeout=5", "http://ebpf.io"}, "curl") + + // Wait for alerts. + var alerts []testutils.Alert + require.Eventually(t, func() bool { + alerts, err = testutils.GetAlerts(ns.Name) + if err != nil || len(alerts) == 0 { + return false + } + for _, a := range alerts { + if a.Labels["rule_id"] == "R0001" { + return true + } + } + return false + }, 60*time.Second, 5*time.Second, "wget not in tampered AP must fire R0001") + + time.Sleep(10 * time.Second) + alerts, _ = testutils.GetAlerts(ns.Name) + + t.Logf("=== %d alerts ===", len(alerts)) + for i, a := range alerts { + t.Logf(" [%d] %s(%s) comm=%s container=%s", + i, a.Labels["rule_name"], a.Labels["rule_id"], + a.Labels["comm"], a.Labels["container_name"]) + } + + // R0001 must have fired (tampered profile was loaded and used). + r0001Count := 0 + for _, a := range alerts { + if a.Labels["rule_id"] == "R0001" { + r0001Count++ + } + } + require.Greater(t, r0001Count, 0, + "R0001 must fire — proves tampered profile was loaded (enableSignatureVerification=false)") + + // No dedicated tamper-detection alert exists (no R-number for this). + // With enableSignatureVerification=true: + // - The tampered AP would be rejected (verifyApplicationProfile returns error) + // - ProfileState.Status would be set to "verification-failed" + // - The pod would have no baseline → no anomaly rules fire + // - System fails OPEN (attacker evades detection by tampering the profile) + // - NOTE: user-defined NNs in addContainer() are NOT verified (known gap) + t.Log("NOTE: No tamper-detection alert rule exists. With enableSignatureVerification=true,") + t.Log(" the tampered profile would be silently rejected. No R-number fires for tampering.") + }) } diff --git a/tests/resources/crypto-miner-deployment.yaml b/tests/resources/crypto-miner-deployment.yaml new file mode 100644 index 0000000000..382a3cb995 --- /dev/null +++ b/tests/resources/crypto-miner-deployment.yaml @@ -0,0 +1,24 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + name: k8s-miner-deployment + labels: + app: k8s-miner +spec: + replicas: 1 + selector: + matchLabels: + app: k8s-miner + template: + metadata: + labels: + app: k8s-miner + kubescape.io/user-defined-profile: crypto2 + spec: + containers: + - name: k8s-miner + image: docker.io/amitschendel/crypto-miner-1 + imagePullPolicy: Always + workingDir: /usr/app/src + command: ["./xmrig"] + args: ["--bench", "1M"] diff --git a/tests/resources/curl-signed-deployment.yaml b/tests/resources/curl-signed-deployment.yaml new file mode 100644 index 0000000000..df15283ccd --- /dev/null +++ b/tests/resources/curl-signed-deployment.yaml @@ -0,0 +1,21 @@ +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: curl-29 + name: curl-29 +spec: + selector: + matchLabels: + app: curl-29 + replicas: 1 + template: + metadata: + labels: + app: curl-29 + kubescape.io/user-defined-profile: signed-ap + spec: + containers: + - name: curl + image: docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058 + command: ["sleep", "infinity"] diff --git a/tests/resources/debug-learn-nn.sh b/tests/resources/debug-learn-nn.sh deleted file mode 100755 index aa05d74fe0..0000000000 --- a/tests/resources/debug-learn-nn.sh +++ /dev/null @@ -1,82 +0,0 @@ -#!/usr/bin/env bash -# -# debug-learn-nn.sh — Deploy curl container without user-defined labels, -# trigger DNS+HTTP traffic, wait for NN to learn, dump the result. -# -# Usage: -# ./debug-learn-nn.sh -# -set -euo pipefail - -SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)" -NS="debug-nn-$(head -c4 /dev/urandom | xxd -p)" - -echo "=== Creating namespace $NS ===" -kubectl create namespace "$NS" - -echo "=== Deploying curl (no user-defined labels) ===" -kubectl apply -n "$NS" -f "$SCRIPT_DIR/curl-plain-deployment.yaml" -kubectl rollout status deployment/curl-fusioncore-deployment -n "$NS" --timeout=120s -POD=$(kubectl get pods -n "$NS" -l app=curl-fusioncore -o jsonpath='{.items[0].metadata.name}') -echo "Pod: $POD" - -echo "" -echo "=== Checking available DNS tools ===" -echo "--- which nslookup ---" -kubectl exec -n "$NS" "$POD" -c curl -- which nslookup 2>&1 || echo "(not found)" -echo "--- which dig ---" -kubectl exec -n "$NS" "$POD" -c curl -- which dig 2>&1 || echo "(not found)" -echo "--- which host ---" -kubectl exec -n "$NS" "$POD" -c curl -- which host 2>&1 || echo "(not found)" -echo "--- busybox --list (dns-related) ---" -kubectl exec -n "$NS" "$POD" -c curl -- busybox --list 2>&1 | grep -iE 'nslookup|dig|host|wget|ping' || echo "(none found)" - -echo "" -echo "=== Triggering DNS + network traffic ===" - -echo "--- nslookup fusioncore.ai ---" -kubectl exec -n "$NS" "$POD" -c curl -- nslookup fusioncore.ai 2>&1 || true - -echo "--- curl -sm5 http://fusioncore.ai ---" -kubectl exec -n "$NS" "$POD" -c curl -- curl -sm5 http://fusioncore.ai >/dev/null 2>&1 || true - -echo "--- nslookup google.com ---" -kubectl exec -n "$NS" "$POD" -c curl -- nslookup google.com 2>&1 || true - -echo "--- curl -sm5 http://google.com ---" -kubectl exec -n "$NS" "$POD" -c curl -- curl -sm5 http://google.com >/dev/null 2>&1 || true - -sleep 5 -echo "--- repeat: nslookup + curl fusioncore.ai ---" -kubectl exec -n "$NS" "$POD" -c curl -- nslookup fusioncore.ai 2>&1 || true -kubectl exec -n "$NS" "$POD" -c curl -- curl -sm5 http://fusioncore.ai >/dev/null 2>&1 || true - -echo "" -echo "=== Waiting for NN to complete ===" -for i in $(seq 1 60); do - NN_STATUS=$(kubectl get networkneighborhoods -n "$NS" \ - -o jsonpath='{.items[0].metadata.annotations.kubescape\.io/status}' 2>/dev/null || true) - AP_STATUS=$(kubectl get applicationprofiles -n "$NS" \ - -o jsonpath='{.items[0].metadata.annotations.kubescape\.io/status}' 2>/dev/null || true) - echo " [$i] AP=$AP_STATUS NN=$NN_STATUS" - [ "$NN_STATUS" = "completed" ] && break - sleep 10 -done - -echo "" -echo "========== Learned NetworkNeighborhood ==========" -kubectl get networkneighborhoods -n "$NS" -o yaml 2>&1 -echo "=================================================" - -echo "" -echo "========== Learned ApplicationProfile (execs) ==========" -kubectl get applicationprofiles -n "$NS" \ - -o jsonpath='{.items[0].spec.containers[0].execs}' 2>&1 | python3 -m json.tool 2>/dev/null || \ - kubectl get applicationprofiles -n "$NS" \ - -o jsonpath='{.items[0].spec.containers[0].execs}' 2>&1 -echo "" -echo "=======================================================" - -echo "" -echo "Namespace: $NS (left intact for inspection)" -echo "Cleanup: kubectl delete namespace $NS" diff --git a/tests/resources/known-application-profile-wildcards.yaml b/tests/resources/known-application-profile-wildcards.yaml deleted file mode 100644 index ec60a6716a..0000000000 --- a/tests/resources/known-application-profile-wildcards.yaml +++ /dev/null @@ -1,155 +0,0 @@ -## -## User-defined ApplicationProfile with wildcard opens for Test_27. -## -## Derived from the learned AP of curlimages/curl:8.5.0, -## with opens collapsed using the wildcard identifier: -## * — matches zero or more path segments -## -## Usage: -## sed "s/{{NAMESPACE}}/$NS/g" known-application-profile-wildcards.yaml \ -## | kubectl apply -f - -## -apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 -kind: ApplicationProfile -metadata: - name: fusioncore-profile-wildcards - namespace: "{{NAMESPACE}}" -spec: - architectures: ["amd64"] - containers: - - name: curl - imageID: "docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058" - imageTag: "docker.io/curlimages/curl:8.5.0" - capabilities: - - CAP_CHOWN - - CAP_DAC_OVERRIDE - - CAP_DAC_READ_SEARCH - - CAP_SETGID - - CAP_SETPCAP - - CAP_SETUID - - CAP_SYS_ADMIN - execs: - - path: /bin/sleep - args: ["/bin/sleep", "infinity"] - - path: /bin/cat - args: ["/bin/cat"] - - path: /usr/bin/curl - args: ["/usr/bin/curl", "-sm2", "fusioncore.ai"] - - path: /usr/bin/nslookup - args: ["/usr/bin/nslookup"] - opens: - # --- /etc: wildcard covers any config file --- - - path: "/etc/*" - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - # --- /etc/ssl: exact --- - - path: /etc/ssl/openssl.cnf - flags: ["O_RDONLY", "O_LARGEFILE"] - # --- /home: wildcard covers curlrc in any depth --- - - path: "/home/*" - flags: ["O_RDONLY", "O_LARGEFILE"] - # --- /lib: wildcard covers all shared libs --- - - path: "/lib/*" - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - # --- /usr/lib: wildcard covers all versioned shared libs --- - - path: "/usr/lib/*" - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - # --- /usr/local/lib: wildcard covers all local shared libs --- - - path: "/usr/local/lib/*" - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - # --- /proc: wildcard for dynamic PID segments --- - - path: "/proc/*/cgroup" - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: "/proc/*/kernel/cap_last_cap" - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: "/proc/*/mountinfo" - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: "/proc/*/task/*/fd" - flags: ["O_RDONLY", "O_DIRECTORY", "O_CLOEXEC"] - # --- /sys --- - - path: "/sys/fs/cgroup/cpu.max" - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: "/sys/kernel/mm/transparent_hugepage/hpage_pmd_size" - flags: ["O_RDONLY"] - # --- runtime internals --- - - path: /7/setgroups - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: /runc - flags: ["O_RDONLY", "O_CLOEXEC"] - syscalls: - - arch_prctl - - bind - - brk - - capget - - capset - - chdir - - clone - - close - - close_range - - connect - - epoll_ctl - - epoll_pwait - - execve - - exit - - exit_group - - faccessat2 - - fchown - - fcntl - - fstat - - fstatfs - - futex - - getcwd - - getdents64 - - getegid - - geteuid - - getgid - - getpeername - - getppid - - getsockname - - getsockopt - - gettid - - getuid - - ioctl - - membarrier - - mmap - - mprotect - - munmap - - nanosleep - - newfstatat - - open - - openat - - openat2 - - pipe - - poll - - prctl - - read - - recvfrom - - recvmsg - - rt_sigaction - - rt_sigprocmask - - rt_sigreturn - - sendto - - set_tid_address - - setgid - - setgroups - - setsockopt - - setuid - - sigaltstack - - socket - - statx - - tkill - - unknown - - write - - writev - endpoints: - - endpoint: ":80/" - direction: outbound - methods: ["GET"] - internal: false - headers: '{"Host":["fusioncore.ai"]}' - seccompProfile: - spec: - defaultAction: "" - rulePolicies: {} - initContainers: [] - ephemeralContainers: [] -status: {} diff --git a/tests/resources/known-application-profile.yaml b/tests/resources/known-application-profile.yaml deleted file mode 100644 index b802941572..0000000000 --- a/tests/resources/known-application-profile.yaml +++ /dev/null @@ -1,245 +0,0 @@ -## -## User-defined ApplicationProfile for Test_28. -## -## Referenced directly from a pod via the label: -## kubescape.io/user-defined-profile: fusioncore-profile -## -## Modeled after a real auto-learned AP from curlimages/curl:8.5.0. -## -## Usage: -## sed "s/{{NAMESPACE}}/$NS/g" known-application-profile.yaml \ -## | kubectl apply -f - -## -apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 -kind: ApplicationProfile -metadata: - name: fusioncore-profile - namespace: "{{NAMESPACE}}" -spec: - architectures: ["amd64"] - containers: - - name: curl - imageID: "docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058" - imageTag: "docker.io/curlimages/curl:8.5.0" - capabilities: - - CAP_CHOWN - - CAP_DAC_OVERRIDE - - CAP_DAC_READ_SEARCH - - CAP_SETGID - - CAP_SETPCAP - - CAP_SETUID - - CAP_SYS_ADMIN - execs: - - path: /bin/sleep - args: ["/bin/sleep", "infinity"] - - path: /bin/cat - args: ["/bin/cat"] - - path: /usr/bin/curl - args: ["/usr/bin/curl", "-sm2", "fusioncore.ai"] - - path: /usr/bin/nslookup - args: ["/usr/bin/nslookup"] - opens: - - path: /7/setgroups - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: /etc/hosts - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /etc/ld-musl-x86_64.path - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /etc/passwd - flags: ["O_RDONLY", "O_CLOEXEC", "O_LARGEFILE"] - - path: /etc/resolv.conf - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /etc/ssl/openssl.cnf - flags: ["O_RDONLY", "O_LARGEFILE"] - - path: /home/curl_user/.config/curlrc - flags: ["O_RDONLY", "O_LARGEFILE"] - - path: /home/curl_user/.curlrc - flags: ["O_RDONLY", "O_LARGEFILE"] - - path: /lib/libbrotlicommon.so.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libbrotlidec.so.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libcom_err.so.2.1 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /lib/libcrypto.so.3 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /lib/libcurl.so.4 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libgssapi_krb5.so.2 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libidn2.so.0 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libk5crypto.so.3 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /lib/libkeyutils.so.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libkrb5.so.3 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libkrb5support.so.0 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libnghttp2.so.14 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /lib/libpsl.so.5 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libssh2.so.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libssl.so.3 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /lib/libunistring.so.5 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /lib/libz.so.1.3 - flags: ["O_LARGEFILE", "O_CLOEXEC", "O_RDONLY"] - - path: /proc/⋯/cgroup - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: /proc/⋯/kernel/cap_last_cap - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: /proc/⋯/mountinfo - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: /proc/⋯/task/1/fd - flags: ["O_RDONLY", "O_DIRECTORY", "O_CLOEXEC"] - - path: /proc/⋯/task/7/fd - flags: ["O_RDONLY", "O_DIRECTORY", "O_CLOEXEC"] - - path: /runc - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: /sys/fs/cgroup/cpu.max - flags: ["O_RDONLY", "O_CLOEXEC"] - - path: /sys/kernel/mm/transparent_hugepage/hpage_pmd_size - flags: ["O_RDONLY"] - - path: /usr/lib/libbrotlicommon.so.1.1.0 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/lib/libbrotlidec.so.1.1.0 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/lib/libcurl.so.4.8.0 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/lib/libgssapi_krb5.so.2.2 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/lib/libidn2.so.0.3.8 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /usr/lib/libk5crypto.so.3.1 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /usr/lib/libkeyutils.so.1.10 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/lib/libkrb5.so.3.3 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /usr/lib/libkrb5support.so.0.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/lib/libnghttp2.so.14.25.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/lib/libpsl.so.5.3.4 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /usr/lib/libssh2.so.1.0.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/lib/libunistring.so.5.0.0 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libbrotlicommon.so.1 - flags: ["O_LARGEFILE", "O_CLOEXEC", "O_RDONLY"] - - path: /usr/local/lib/libbrotlidec.so.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libcom_err.so.2 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /usr/local/lib/libcrypto.so.3 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libcurl.so.4 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libgssapi_krb5.so.2 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libidn2.so.0 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libk5crypto.so.3 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libkeyutils.so.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libkrb5.so.3 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libkrb5support.so.0 - flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] - - path: /usr/local/lib/libnghttp2.so.14 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libpsl.so.5 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libssh2.so.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libssl.so.3 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libunistring.so.5 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - - path: /usr/local/lib/libz.so.1 - flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] - syscalls: - - arch_prctl - - bind - - brk - - capget - - capset - - chdir - - clone - - close - - close_range - - connect - - epoll_ctl - - epoll_pwait - - execve - - exit - - exit_group - - faccessat2 - - fchown - - fcntl - - fstat - - fstatfs - - futex - - getcwd - - getdents64 - - getegid - - geteuid - - getgid - - getpeername - - getppid - - getsockname - - getsockopt - - gettid - - getuid - - ioctl - - membarrier - - mmap - - mprotect - - munmap - - nanosleep - - newfstatat - - open - - openat - - openat2 - - pipe - - poll - - prctl - - read - - recvfrom - - recvmsg - - rt_sigaction - - rt_sigprocmask - - rt_sigreturn - - sendto - - set_tid_address - - setgid - - setgroups - - setsockopt - - setuid - - sigaltstack - - socket - - statx - - tkill - - unknown - - write - - writev - endpoints: - - endpoint: ":80/" - direction: outbound - methods: ["GET"] - internal: false - headers: '{"Host":["fusioncore.ai"]}' - seccompProfile: - spec: - defaultAction: "" - rulePolicies: {} - initContainers: [] - ephemeralContainers: [] -status: {} diff --git a/tests/resources/nginx-both-user-defined-deployment.yaml b/tests/resources/nginx-both-user-defined-deployment.yaml deleted file mode 100644 index 76d8959ded..0000000000 --- a/tests/resources/nginx-both-user-defined-deployment.yaml +++ /dev/null @@ -1,23 +0,0 @@ -apiVersion: apps/v1 -kind: Deployment -metadata: - labels: - app: nginx-fusioncore - name: nginx-fusioncore-deployment -spec: - selector: - matchLabels: - app: nginx-fusioncore - replicas: 1 - template: - metadata: - labels: - app: nginx-fusioncore - kubescape.io/user-defined-profile: fusioncore-profile - kubescape.io/user-defined-network: fusioncore-network - spec: - containers: - - name: nginx - image: nginx:1.14.2 - ports: - - containerPort: 80 diff --git a/tests/resources/nginx-known-network-deployment.yaml b/tests/resources/nginx-known-network-deployment.yaml deleted file mode 100644 index 0a947f5d4d..0000000000 --- a/tests/resources/nginx-known-network-deployment.yaml +++ /dev/null @@ -1,21 +0,0 @@ -apiVersion: apps/v1 -kind: Deployment -metadata: - labels: - app: nginx-fusioncore - name: nginx-fusioncore-deployment -spec: - selector: - matchLabels: - app: nginx-fusioncore - replicas: 1 - template: - metadata: - labels: - app: nginx-fusioncore - spec: - containers: - - name: nginx - image: nginx:1.14.2 - ports: - - containerPort: 80 diff --git a/tests/resources/nginx-user-network-deployment.yaml b/tests/resources/nginx-user-network-deployment.yaml deleted file mode 100644 index 618f814de3..0000000000 --- a/tests/resources/nginx-user-network-deployment.yaml +++ /dev/null @@ -1,22 +0,0 @@ -apiVersion: apps/v1 -kind: Deployment -metadata: - labels: - app: nginx-fusioncore - name: nginx-fusioncore-deployment -spec: - selector: - matchLabels: - app: nginx-fusioncore - replicas: 1 - template: - metadata: - labels: - app: nginx-fusioncore - kubescape.io/user-defined-network: fusioncore-network - spec: - containers: - - name: nginx - image: nginx:1.14.2 - ports: - - containerPort: 80 diff --git a/tests/resources/user-profile.yaml b/tests/resources/user-profile.yaml deleted file mode 100644 index 97a116f6d2..0000000000 --- a/tests/resources/user-profile.yaml +++ /dev/null @@ -1,47 +0,0 @@ -apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 -kind: ApplicationProfile -metadata: - name: {name} - namespace: {namespace} - resourceVersion: "1" # Start with "1" for new resources - annotations: - kubescape.io/managed-by: User -spec: - architectures: ["amd64"] - containers: - - name: nginx - imageID: "" - imageTag: "" - capabilities: [] - opens: [] - syscalls: [] - endpoints: [] - execs: - - path: /usr/bin/ls - args: - - /usr/bin/ls - - -l - seccompProfile: - spec: - defaultAction: "" - - name: server - imageID: "" - imageTag: "" - capabilities: [] - opens: [] - syscalls: [] - endpoints: [] - execs: - - path: /bin/ls - args: - - /bin/ls - - -l - - path: /bin/grpc_health_probe - args: - - "-addr=:9555" - seccompProfile: - spec: - defaultAction: "" - initContainers: [] - ephemeralContainers: [] -status: {} \ No newline at end of file From c2d681e0be3a2598607a6dba07c3d98fe791aa58 Mon Sep 17 00:00:00 2001 From: Duck <70207455+entlein@users.noreply.github.com> Date: Sun, 15 Mar 2026 10:14:09 +0100 Subject: [PATCH 05/31] Feat/tamperalert (#22) * TEST29 minor fix, TEST28 add another dns spoof Signed-off-by: entlein * TEST28 another spoof, this time TCP Signed-off-by: entlein * Feature: Tampering Alert, Try1 * We seem to have lost some profiles or not synched them into cache Signed-off-by: entlein * Profile state cache: new error message Signed-off-by: entlein --------- Signed-off-by: entlein --- .github/workflows/component-tests.yaml | 4 +- cmd/main.go | 4 +- .../applicationprofilecache.go | 128 ++++-- .../applicationprofilecache_test.go | 2 +- .../networkneighborhoodcache.go | 175 +++++--- .../networkneighborhoodcache_test.go | 2 +- .../templates/node-agent/default-rules.yaml | 18 + tests/component_test.go | 383 +++++++++++++++++- 8 files changed, 624 insertions(+), 92 deletions(-) diff --git a/.github/workflows/component-tests.yaml b/.github/workflows/component-tests.yaml index 4703e1df73..163b6c50f6 100644 --- a/.github/workflows/component-tests.yaml +++ b/.github/workflows/component-tests.yaml @@ -32,6 +32,7 @@ on: branches: - feat/signature-verification - feat/tamperalert + - feat/tamper-detection workflow_dispatch: inputs: build_image: @@ -203,7 +204,8 @@ jobs: Test_27_ApplicationProfileOpens, Test_28_UserDefinedNetworkNeighborhood, Test_29_SignedApplicationProfile, - Test_30_TamperedSignedProfiles + Test_30_TamperedSignedProfiles, + Test_31_TamperDetectionAlert ] steps: - name: Checkout code diff --git a/cmd/main.go b/cmd/main.go index 7a5f850a1e..494e506cca 100644 --- a/cmd/main.go +++ b/cmd/main.go @@ -294,10 +294,10 @@ func main() { ruleBindingNotify = make(chan rulebinding.RuleBindingNotify, 100) ruleBindingCache.AddNotifier(&ruleBindingNotify) - apc := applicationprofilecache.NewApplicationProfileCache(cfg, storageClient, k8sObjectCache) + apc := applicationprofilecache.NewApplicationProfileCache(cfg, storageClient, k8sObjectCache, exporter) apc.Start(ctx) - nnc := networkneighborhoodcache.NewNetworkNeighborhoodCache(cfg, storageClient, k8sObjectCache) + nnc := networkneighborhoodcache.NewNetworkNeighborhoodCache(cfg, storageClient, k8sObjectCache, exporter) nnc.Start(ctx) dc := dnscache.NewDnsCache(dnsResolver) diff --git a/pkg/objectcache/applicationprofilecache/applicationprofilecache.go b/pkg/objectcache/applicationprofilecache/applicationprofilecache.go index 59686128c7..ffcd145fbc 100644 --- a/pkg/objectcache/applicationprofilecache/applicationprofilecache.go +++ b/pkg/objectcache/applicationprofilecache/applicationprofilecache.go @@ -2,7 +2,6 @@ package applicationprofilecache import ( "context" - "errors" "fmt" "strings" "sync" @@ -15,10 +14,13 @@ import ( "github.com/kubescape/go-logger" "github.com/kubescape/go-logger/helpers" helpersv1 "github.com/kubescape/k8s-interface/instanceidhandler/v1/helpers" + "github.com/armosec/armoapi-go/armotypes" "github.com/kubescape/node-agent/pkg/config" + "github.com/kubescape/node-agent/pkg/exporters" "github.com/kubescape/node-agent/pkg/objectcache" "github.com/kubescape/node-agent/pkg/objectcache/applicationprofilecache/callstackcache" "github.com/kubescape/node-agent/pkg/resourcelocks" + "github.com/kubescape/node-agent/pkg/rulemanager/types" "github.com/kubescape/node-agent/pkg/signature" "github.com/kubescape/node-agent/pkg/signature/profiles" "github.com/kubescape/node-agent/pkg/storage" @@ -51,6 +53,7 @@ type ApplicationProfileCacheImpl struct { containerToCallStackIndex maps.SafeMap[string, *ContainerCallStackIndex] storageClient storage.ProfileClient k8sObjectCache objectcache.K8sObjectCache + exporter exporters.Exporter // Exporter for sending tamper detection alerts updateInterval time.Duration updateInProgress bool // Flag to track if update is in progress updateMutex sync.Mutex // Mutex to protect the flag @@ -58,7 +61,7 @@ type ApplicationProfileCacheImpl struct { } // NewApplicationProfileCache creates a new application profile cache with periodic updates -func NewApplicationProfileCache(cfg config.Config, storageClient storage.ProfileClient, k8sObjectCache objectcache.K8sObjectCache) *ApplicationProfileCacheImpl { +func NewApplicationProfileCache(cfg config.Config, storageClient storage.ProfileClient, k8sObjectCache objectcache.K8sObjectCache, exporter exporters.Exporter) *ApplicationProfileCacheImpl { updateInterval := utils.AddJitter(cfg.ProfilesCacheRefreshRate, 10) // Add 10% jitter to avoid high load on the storage apc := &ApplicationProfileCacheImpl{ @@ -70,6 +73,7 @@ func NewApplicationProfileCache(cfg config.Config, storageClient storage.Profile containerToCallStackIndex: maps.SafeMap[string, *ContainerCallStackIndex]{}, storageClient: storageClient, k8sObjectCache: k8sObjectCache, + exporter: exporter, updateInterval: updateInterval, containerLocks: resourcelocks.New(), } @@ -274,42 +278,101 @@ func (apc *ApplicationProfileCacheImpl) updateAllProfiles(ctx context.Context) { } } -// verifyApplicationProfile verifies the profile signature if verification is enabled. -// Returns error if verification fails, nil otherwise (including when verification is disabled). -// Also updates profileState with error details if verification fails. +// verifyApplicationProfile verifies the profile signature. +// Always checks signed profiles for tamper (emits R1016 alert on tamper). +// When EnableSignatureVerification is true, also rejects tampered/unsigned profiles. +// Returns error if the profile should not be loaded, nil otherwise. func (apc *ApplicationProfileCacheImpl) verifyApplicationProfile(profile *v1beta1.ApplicationProfile, workloadID, context string, recordFailure bool) error { - if !apc.cfg.EnableSignatureVerification { - return nil - } profileAdapter := profiles.NewApplicationProfileAdapter(profile) - if err := signature.VerifyObject(profileAdapter); err != nil { - // Only warn if signature exists but doesn't match; missing signatures are debug - if errors.Is(err, signature.ErrObjectNotSigned) { - logger.L().Debug(context+" is not signed, skipping", - helpers.String("profile", profile.Name), - helpers.String("namespace", profile.Namespace), - helpers.String("workloadID", workloadID)) - } else { - logger.L().Warning(context+" signature verification failed, skipping", + + // Always check signed profiles for tamper, regardless of enforcement setting + if signature.IsSigned(profileAdapter) { + if err := signature.VerifyObject(profileAdapter); err != nil { + // Signed profile failed verification → tamper detected + logger.L().Warning(context+" signature verification failed (tamper detected)", helpers.String("profile", profile.Name), helpers.String("namespace", profile.Namespace), helpers.String("workloadID", workloadID), helpers.Error(err)) + + // Emit R1016 tamper alert + apc.emitTamperAlert(profile.Name, profile.Namespace, workloadID, "ApplicationProfile", err) + + if apc.cfg.EnableSignatureVerification { + if recordFailure { + apc.setVerificationFailed(workloadID, profile.Name, err) + } + return err + } + // Enforcement off: allow loading despite tamper + return nil } + logger.L().Debug(context+" verification successful", + helpers.String("profile", profile.Name), + helpers.String("namespace", profile.Namespace)) + return nil + } - // Update profile state with verification error + // Profile is not signed + if apc.cfg.EnableSignatureVerification { + logger.L().Debug(context+" is not signed, skipping", + helpers.String("profile", profile.Name), + helpers.String("namespace", profile.Namespace), + helpers.String("workloadID", workloadID)) if recordFailure { - apc.setVerificationFailed(workloadID, profile.Name, err) + apc.setVerificationFailed(workloadID, profile.Name, signature.ErrObjectNotSigned) } - - return err + return signature.ErrObjectNotSigned } - logger.L().Debug(context+" verification successful", - helpers.String("profile", profile.Name), - helpers.String("namespace", profile.Namespace)) + return nil } +// emitTamperAlert sends an R1016 "Signed profile tampered" alert via the exporter. +func (apc *ApplicationProfileCacheImpl) emitTamperAlert(profileName, namespace, workloadID, objectKind string, verifyErr error) { + if apc.exporter == nil { + return + } + + ruleFailure := &types.GenericRuleFailure{ + BaseRuntimeAlert: armotypes.BaseRuntimeAlert{ + AlertName: "Signed profile tampered", + InfectedPID: 1, + Severity: 10, + FixSuggestions: "Investigate who modified the " + objectKind + " '" + profileName + "' in namespace '" + namespace + "'. Re-sign the profile after verifying its contents.", + }, + AlertType: armotypes.AlertTypeRule, + RuntimeProcessDetails: armotypes.ProcessTree{ + ProcessTree: armotypes.Process{ + PID: 1, + Comm: "node-agent", + }, + }, + RuleAlert: armotypes.RuleAlert{ + RuleDescription: fmt.Sprintf("Signed %s '%s' in namespace '%s' has been tampered with: %v", objectKind, profileName, namespace, verifyErr), + }, + RuntimeAlertK8sDetails: armotypes.RuntimeAlertK8sDetails{ + Namespace: namespace, + }, + RuleID: "R1016", + } + + // Populate workload details from workloadID if available + ruleFailure.SetWorkloadDetails(extractWlidFromWorkloadID(workloadID)) + + apc.exporter.SendRuleAlert(ruleFailure) +} + +// extractWlidFromWorkloadID extracts the wlid part from a "wlid/templateHash" key. +func extractWlidFromWorkloadID(workloadID string) string { + if idx := strings.LastIndex(workloadID, "/"); idx > 0 { + // workloadID format is "wlid://////" + // We need everything before the last "/" which is the templateHash + return workloadID[:idx] + } + return workloadID +} + func (apc *ApplicationProfileCacheImpl) setVerificationFailed(workloadID, profileName string, err error) { profileState := &objectcache.ProfileState{ Completion: "failed", @@ -557,7 +620,9 @@ func (apc *ApplicationProfileCacheImpl) addContainer(container *containercollect } } } else { - apc.workloadIDToProfileState.Set(workloadID, nil) + apc.workloadIDToProfileState.Set(workloadID, &objectcache.ProfileState{ + Error: fmt.Errorf("waiting for profile update"), + }) } // Create container info @@ -607,6 +672,12 @@ func (apc *ApplicationProfileCacheImpl) addContainer(container *containercollect // Update the profile in the cache apc.workloadIDToProfile.Set(workloadID, fullProfile) + profileState := &objectcache.ProfileState{ + Completion: fullProfile.Annotations[helpersv1.CompletionMetadataKey], + Status: fullProfile.Annotations[helpersv1.StatusMetadataKey], + Name: fullProfile.Name, + } + apc.workloadIDToProfileState.Set(workloadID, profileState) logger.L().Debug("added user-defined profile to cache", helpers.String("containerID", containerID), helpers.String("workloadID", workloadID), @@ -782,10 +853,9 @@ func (apc *ApplicationProfileCacheImpl) GetApplicationProfileState(containerID s if profileState, exists := apc.workloadIDToProfileState.Load(workloadID); exists { if profileState != nil { return profileState - } else { - return &objectcache.ProfileState{ - Error: fmt.Errorf("profile state not available - shouldn't happen"), - } + } + return &objectcache.ProfileState{ + Error: fmt.Errorf("application profile state is nil for workload %s", workloadID), } } diff --git a/pkg/objectcache/applicationprofilecache/applicationprofilecache_test.go b/pkg/objectcache/applicationprofilecache/applicationprofilecache_test.go index 7ce56181c7..6a89edcb24 100644 --- a/pkg/objectcache/applicationprofilecache/applicationprofilecache_test.go +++ b/pkg/objectcache/applicationprofilecache/applicationprofilecache_test.go @@ -77,7 +77,7 @@ func TestPagination(t *testing.T) { spy := &SpyProfileClient{Profiles: profiles} // mock k8s object cache is irrelevant since we inject container info directly - cache := NewApplicationProfileCache(config.Config{}, spy, nil) + cache := NewApplicationProfileCache(config.Config{}, spy, nil, nil) // Inject a container so that "default" namespace is processed. // The WorkloadID needs to match something if we want deeper logic to run, diff --git a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go b/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go index 394bb44852..6efd6042a1 100644 --- a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go +++ b/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go @@ -14,9 +14,12 @@ import ( "github.com/kubescape/go-logger" "github.com/kubescape/go-logger/helpers" helpersv1 "github.com/kubescape/k8s-interface/instanceidhandler/v1/helpers" + "github.com/armosec/armoapi-go/armotypes" "github.com/kubescape/node-agent/pkg/config" + "github.com/kubescape/node-agent/pkg/exporters" "github.com/kubescape/node-agent/pkg/objectcache" "github.com/kubescape/node-agent/pkg/resourcelocks" + "github.com/kubescape/node-agent/pkg/rulemanager/types" "github.com/kubescape/node-agent/pkg/signature" "github.com/kubescape/node-agent/pkg/signature/profiles" "github.com/kubescape/node-agent/pkg/storage" @@ -44,6 +47,7 @@ type NetworkNeighborhoodCacheImpl struct { networkNeighborhoodToUserManagedIdentifier maps.SafeMap[string, string] // networkNeighborhoodName -> user-managed profile unique identifier storageClient storage.ProfileClient k8sObjectCache objectcache.K8sObjectCache + exporter exporters.Exporter // Exporter for sending tamper detection alerts updateInterval time.Duration updateInProgress bool // Flag to track if update is in progress updateMutex sync.Mutex // Mutex to protect the flag @@ -51,7 +55,7 @@ type NetworkNeighborhoodCacheImpl struct { } // NewNetworkNeighborhoodCache creates a new network neighborhood cache with periodic updates -func NewNetworkNeighborhoodCache(cfg config.Config, storageClient storage.ProfileClient, k8sObjectCache objectcache.K8sObjectCache) *NetworkNeighborhoodCacheImpl { +func NewNetworkNeighborhoodCache(cfg config.Config, storageClient storage.ProfileClient, k8sObjectCache objectcache.K8sObjectCache, exporter exporters.Exporter) *NetworkNeighborhoodCacheImpl { updateInterval := utils.AddJitter(cfg.ProfilesCacheRefreshRate, 10) // Add 10% jitter to avoid high load on the storage nnc := &NetworkNeighborhoodCacheImpl{ @@ -62,6 +66,7 @@ func NewNetworkNeighborhoodCache(cfg config.Config, storageClient storage.Profil networkNeighborhoodToUserManagedIdentifier: maps.SafeMap[string, string]{}, storageClient: storageClient, k8sObjectCache: k8sObjectCache, + exporter: exporter, updateInterval: updateInterval, containerLocks: resourcelocks.New(), } @@ -248,19 +253,12 @@ func (nnc *NetworkNeighborhoodCacheImpl) updateAllNetworkNeighborhoods(ctx conte continue } - // Verify signature if enabled - if nnc.cfg.EnableSignatureVerification { - adapter := profiles.NewNetworkNeighborhoodAdapter(fullNN) - if err := signature.VerifyObjectStrict(adapter); err != nil { - logger.L().Warning("network neighborhood signature verification failed, skipping", - helpers.String("workloadID", workloadID), - helpers.String("namespace", namespace), - helpers.String("name", fullNN.Name), - helpers.Error(err)) - profileState.Error = fmt.Errorf("signature verification failed: %w", err) - nnc.workloadIDToProfileState.Set(workloadID, profileState) - continue - } + // Verify signature — always check signed NNs for tamper (R1016), + // enforcement mode only controls whether tampered NNs are loaded. + if err := nnc.verifyNetworkNeighborhood(fullNN, workloadID); err != nil { + profileState.Error = fmt.Errorf("signature verification failed: %w", err) + nnc.workloadIDToProfileState.Set(workloadID, profileState) + continue } nnc.workloadIDToNetworkNeighborhood.Set(workloadID, fullNN) @@ -335,47 +333,31 @@ func (nnc *NetworkNeighborhoodCacheImpl) handleUserManagedNetworkNeighborhood(nn } // Verify signature on the original network neighborhood before merging - if nnc.cfg.EnableSignatureVerification { - adapter := profiles.NewNetworkNeighborhoodAdapter(originalNN) - if err := signature.VerifyObjectStrict(adapter); err != nil { - logger.L().Warning("original network neighborhood signature verification failed, skipping merge", - helpers.String("workloadID", toMerge.wlid), - helpers.String("namespace", originalNN.Namespace), - helpers.String("name", originalNN.Name), - helpers.Error(err)) - profileState := &objectcache.ProfileState{ - Completion: originalNN.Annotations[helpersv1.CompletionMetadataKey], - Status: originalNN.Annotations[helpersv1.StatusMetadataKey], - Name: originalNN.Name, - Error: fmt.Errorf("signature verification failed: %w", err), - } - nnc.workloadIDToProfileState.Set(toMerge.wlid, profileState) - // Evict stale merged profile from cache on verification failure - nnc.workloadIDToNetworkNeighborhood.Delete(toMerge.wlid) - return - } + if err := nnc.verifyNetworkNeighborhood(originalNN, toMerge.wlid); err != nil { + profileState := &objectcache.ProfileState{ + Completion: originalNN.Annotations[helpersv1.CompletionMetadataKey], + Status: originalNN.Annotations[helpersv1.StatusMetadataKey], + Name: originalNN.Name, + Error: fmt.Errorf("signature verification failed: %w", err), + } + nnc.workloadIDToProfileState.Set(toMerge.wlid, profileState) + // Evict stale merged profile from cache on verification failure + nnc.workloadIDToNetworkNeighborhood.Delete(toMerge.wlid) + return } // Verify signature on the user-managed network neighborhood before merging - if nnc.cfg.EnableSignatureVerification { - adapter := profiles.NewNetworkNeighborhoodAdapter(fullUserNN) - if err := signature.VerifyObjectStrict(adapter); err != nil { - logger.L().Warning("user-managed network neighborhood signature verification failed, skipping merge", - helpers.String("workloadID", toMerge.wlid), - helpers.String("namespace", fullUserNN.Namespace), - helpers.String("name", fullUserNN.Name), - helpers.Error(err)) - profileState := &objectcache.ProfileState{ - Completion: fullUserNN.Annotations[helpersv1.CompletionMetadataKey], - Status: fullUserNN.Annotations[helpersv1.StatusMetadataKey], - Name: fullUserNN.Name, - Error: fmt.Errorf("signature verification failed: %w", err), - } - nnc.workloadIDToProfileState.Set(toMerge.wlid, profileState) - // Restore cache to originalNN on user-managed verification failure - nnc.workloadIDToNetworkNeighborhood.Set(toMerge.wlid, originalNN) - return - } + if err := nnc.verifyNetworkNeighborhood(fullUserNN, toMerge.wlid); err != nil { + profileState := &objectcache.ProfileState{ + Completion: fullUserNN.Annotations[helpersv1.CompletionMetadataKey], + Status: fullUserNN.Annotations[helpersv1.StatusMetadataKey], + Name: fullUserNN.Name, + Error: fmt.Errorf("signature verification failed: %w", err), + } + nnc.workloadIDToProfileState.Set(toMerge.wlid, profileState) + // Restore cache to originalNN on user-managed verification failure + nnc.workloadIDToNetworkNeighborhood.Set(toMerge.wlid, originalNN) + return } // Merge the network neighborhoods @@ -542,7 +524,9 @@ func (nnc *NetworkNeighborhoodCacheImpl) addContainer(container *containercollec // Create workload ID to state mapping if _, exists := nnc.workloadIDToProfileState.Load(workloadID); !exists { - nnc.workloadIDToProfileState.Set(workloadID, nil) + nnc.workloadIDToProfileState.Set(workloadID, &objectcache.ProfileState{ + Error: fmt.Errorf("waiting for profile update"), + }) } logger.L().Debug("container added to cache", @@ -653,10 +637,9 @@ func (nnc *NetworkNeighborhoodCacheImpl) GetNetworkNeighborhoodState(containerID if profileState, exists := nnc.workloadIDToProfileState.Load(workloadID); exists { if profileState != nil { return profileState - } else { - return &objectcache.ProfileState{ - Error: fmt.Errorf("profile state not available - shouldn't happen"), - } + } + return &objectcache.ProfileState{ + Error: fmt.Errorf("network neighborhood state is nil for workload %s", workloadID), } } @@ -848,6 +831,84 @@ func (nnc *NetworkNeighborhoodCacheImpl) workloadHasUserDefinedNetwork(workloadI return found } +// verifyNetworkNeighborhood verifies the NN signature. +// Always checks signed NNs for tamper (emits R1016 alert on tamper). +// When EnableSignatureVerification is true, also rejects tampered/unsigned NNs. +// Returns error if the NN should not be loaded, nil otherwise. +func (nnc *NetworkNeighborhoodCacheImpl) verifyNetworkNeighborhood(nn *v1beta1.NetworkNeighborhood, workloadID string) error { + adapter := profiles.NewNetworkNeighborhoodAdapter(nn) + + // Always check signed NNs for tamper, regardless of enforcement setting + if signature.IsSigned(adapter) { + if err := signature.VerifyObjectStrict(adapter); err != nil { + logger.L().Warning("network neighborhood signature verification failed (tamper detected)", + helpers.String("name", nn.Name), + helpers.String("namespace", nn.Namespace), + helpers.String("workloadID", workloadID), + helpers.Error(err)) + + // Emit R1016 tamper alert + nnc.emitTamperAlert(nn.Name, nn.Namespace, workloadID, "NetworkNeighborhood", err) + + if nnc.cfg.EnableSignatureVerification { + return err + } + // Enforcement off: allow loading despite tamper + return nil + } + return nil + } + + // Not signed + if nnc.cfg.EnableSignatureVerification { + return fmt.Errorf("network neighborhood is not signed") + } + return nil +} + +// emitTamperAlert sends an R1016 "Signed profile tampered" alert via the exporter. +func (nnc *NetworkNeighborhoodCacheImpl) emitTamperAlert(nnName, namespace, workloadID, objectKind string, verifyErr error) { + if nnc.exporter == nil { + return + } + + ruleFailure := &types.GenericRuleFailure{ + BaseRuntimeAlert: armotypes.BaseRuntimeAlert{ + AlertName: "Signed profile tampered", + InfectedPID: 1, + Severity: 10, + FixSuggestions: "Investigate who modified the " + objectKind + " '" + nnName + "' in namespace '" + namespace + "'. Re-sign the profile after verifying its contents.", + }, + AlertType: armotypes.AlertTypeRule, + RuntimeProcessDetails: armotypes.ProcessTree{ + ProcessTree: armotypes.Process{ + PID: 1, + Comm: "node-agent", + }, + }, + RuleAlert: armotypes.RuleAlert{ + RuleDescription: fmt.Sprintf("Signed %s '%s' in namespace '%s' has been tampered with: %v", objectKind, nnName, namespace, verifyErr), + }, + RuntimeAlertK8sDetails: armotypes.RuntimeAlertK8sDetails{ + Namespace: namespace, + }, + RuleID: "R1016", + } + + // Populate workload details from workloadID if available + ruleFailure.SetWorkloadDetails(extractWlidFromWorkloadID(workloadID)) + + nnc.exporter.SendRuleAlert(ruleFailure) +} + +// extractWlidFromWorkloadID extracts the wlid part from a "wlid/templateHash" key. +func extractWlidFromWorkloadID(workloadID string) string { + if idx := strings.LastIndex(workloadID, "/"); idx > 0 { + return workloadID[:idx] + } + return workloadID +} + func isUserManagedNN(nn *v1beta1.NetworkNeighborhood) bool { return nn.Annotations != nil && nn.Annotations[helpersv1.ManagedByMetadataKey] == helpersv1.ManagedByUserValue && diff --git a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache_test.go b/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache_test.go index f2714141cb..47ea2097e5 100644 --- a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache_test.go +++ b/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache_test.go @@ -80,7 +80,7 @@ func TestPagination(t *testing.T) { spy := &SpyProfileClient{NetworkNeighborhoods: items} - cache := NewNetworkNeighborhoodCache(config.Config{}, spy, nil) + cache := NewNetworkNeighborhoodCache(config.Config{}, spy, nil, nil) // Inject a container so that "default" namespace is processed. cache.containerIDToInfo.Set("test-container", &ContainerInfo{ diff --git a/tests/chart/templates/node-agent/default-rules.yaml b/tests/chart/templates/node-agent/default-rules.yaml index 1a545524c7..9dfd4b2ac6 100644 --- a/tests/chart/templates/node-agent/default-rules.yaml +++ b/tests/chart/templates/node-agent/default-rules.yaml @@ -583,3 +583,21 @@ spec: - "syscalls" - "io_uring" - "applicationprofile" + - name: "Signed profile tampered" + enabled: true + id: "R1016" + description: "Detects when a previously signed ApplicationProfile or NetworkNeighborhood has been tampered with (signature no longer valid)." + expressions: + message: "'Signed profile tampered'" + uniqueId: "'R1016'" + ruleExpression: [] + profileDependency: 2 + severity: 10 + supportPolicy: false + isTriggerAlert: false + mitreTactic: "TA0005" + mitreTechnique: "T1565" + tags: + - "integrity" + - "signature" + - "tamper" diff --git a/tests/component_test.go b/tests/component_test.go index 794f953976..9c0f8e14a9 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -2379,6 +2379,252 @@ func Test_28_UserDefinedNetworkNeighborhood(t *testing.T) { require.Greater(t, countByRule(alerts, "R0011"), 0, "MITM: fusioncore.ai allowed but spoofed IP 8.8.4.4 must fire R0011") }) + + // --------------------------------------------------------------- + // 28e. MITM — real CoreDNS poisoning via template plugin. + // Poisons CoreDNS so fusioncore.ai resolves to 8.8.4.4 + // instead of the legitimate 162.0.217.171. + // + // nslookup triggers the poisoned DNS response. + // R0005 does NOT fire: fusioncore.ai is in the NN egress + // list and BusyBox nslookup does NOT do PTR reverse-lookups. + // R0011 does NOT fire: no TCP egress (DNS is UDP to cluster + // DNS which is a private IP filtered by is_private_ip). + // + // This documents a detection gap: pure DNS MITM (without + // subsequent TCP to the spoofed IP) is invisible to both + // R0005 and R0011 when the domain is already whitelisted. + // + // NOTE: this subtest MUST run last — it modifies the + // cluster-wide CoreDNS configmap. + // --------------------------------------------------------------- + t.Run("mitm_coredns_poisoning", func(t *testing.T) { + wl := setup(t) + ctx := context.Background() + k8sClient := k8sinterface.NewKubernetesApi() + + // ── Back up original CoreDNS Corefile ── + cm, err := k8sClient.KubernetesClient.CoreV1(). + ConfigMaps("kube-system").Get(ctx, "coredns", metav1.GetOptions{}) + require.NoError(t, err, "get coredns configmap") + originalCorefile := cm.Data["Corefile"] + + restartAndWaitCoreDNS := func() { + deploy, err := k8sClient.KubernetesClient.AppsV1(). + Deployments("kube-system").Get(ctx, "coredns", metav1.GetOptions{}) + require.NoError(t, err, "get coredns deployment") + if deploy.Spec.Template.ObjectMeta.Annotations == nil { + deploy.Spec.Template.ObjectMeta.Annotations = make(map[string]string) + } + deploy.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339) + _, err = k8sClient.KubernetesClient.AppsV1(). + Deployments("kube-system").Update(ctx, deploy, metav1.UpdateOptions{}) + require.NoError(t, err, "restart coredns") + + require.Eventually(t, func() bool { + d, err := k8sClient.KubernetesClient.AppsV1(). + Deployments("kube-system").Get(ctx, "coredns", metav1.GetOptions{}) + if err != nil || d.Spec.Replicas == nil { + return false + } + return d.Status.ReadyReplicas == *d.Spec.Replicas && + d.Status.UpdatedReplicas == *d.Spec.Replicas + }, 60*time.Second, 2*time.Second, "coredns must become ready") + } + + // ── Restore CoreDNS on cleanup (best-effort) ── + t.Cleanup(func() { + t.Log("cleanup: restoring CoreDNS Corefile") + cm, err := k8sClient.KubernetesClient.CoreV1(). + ConfigMaps("kube-system").Get(ctx, "coredns", metav1.GetOptions{}) + if err != nil { + t.Logf("cleanup: get coredns cm: %v", err) + return + } + cm.Data["Corefile"] = originalCorefile + if _, err := k8sClient.KubernetesClient.CoreV1(). + ConfigMaps("kube-system").Update(ctx, cm, metav1.UpdateOptions{}); err != nil { + t.Logf("cleanup: update coredns cm: %v", err) + return + } + deploy, err := k8sClient.KubernetesClient.AppsV1(). + Deployments("kube-system").Get(ctx, "coredns", metav1.GetOptions{}) + if err != nil { + t.Logf("cleanup: get coredns deploy: %v", err) + return + } + if deploy.Spec.Template.ObjectMeta.Annotations == nil { + deploy.Spec.Template.ObjectMeta.Annotations = make(map[string]string) + } + deploy.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339) + if _, err := k8sClient.KubernetesClient.AppsV1(). + Deployments("kube-system").Update(ctx, deploy, metav1.UpdateOptions{}); err != nil { + t.Logf("cleanup: restart coredns: %v", err) + } + }) + + // ── Poison CoreDNS: fusioncore.ai → 8.8.4.4 ── + poisoned := strings.Replace(originalCorefile, + "forward .", + "template IN A fusioncore.ai {\n answer \"fusioncore.ai. 60 IN A 8.8.4.4\"\n fallthrough\n }\n forward .", + 1) + require.NotEqual(t, originalCorefile, poisoned, "template injection must modify Corefile") + + cm.Data["Corefile"] = poisoned + _, err = k8sClient.KubernetesClient.CoreV1(). + ConfigMaps("kube-system").Update(ctx, cm, metav1.UpdateOptions{}) + require.NoError(t, err, "apply poisoned Corefile") + restartAndWaitCoreDNS() + + // Verify poisoned DNS returns the spoofed IP. + require.Eventually(t, func() bool { + stdout, _, _ := wl.ExecIntoPod([]string{"nslookup", "fusioncore.ai"}, "curl") + return strings.Contains(stdout, "8.8.4.4") + }, 30*time.Second, 3*time.Second, "poisoned CoreDNS must return 8.8.4.4 for fusioncore.ai") + + // ── Trigger alerts ── + // nslookup does DNS only (no TCP egress). + // BusyBox nslookup does NOT do PTR reverse-lookups on result IPs. + stdout, stderr, err := wl.ExecIntoPod([]string{"nslookup", "fusioncore.ai"}, "curl") + t.Logf("nslookup (poisoned) → err=%v stdout=%q stderr=%q", err, stdout, stderr) + + alerts := waitAlerts(t, wl.Namespace) + t.Logf("=== %d alerts ===", len(alerts)) + logAlerts(t, alerts) + + // R0005 does NOT fire: fusioncore.ai is already in the NN + // egress list, and BusyBox nslookup does NOT perform PTR + // reverse-lookups on result IPs, so no unknown domain is queried. + assert.Equal(t, 0, countByRule(alerts, "R0005"), + "DNS MITM: domain is in NN and no PTR lookup — R0005 should not fire") + + // R0011 does NOT fire: nslookup generates only DNS (UDP) + // traffic to the cluster DNS service, which is a private IP + // excluded by is_private_ip(). + assert.Equal(t, 0, countByRule(alerts, "R0011"), + "DNS MITM: nslookup has no TCP egress — R0011 should not fire") + }) + + // --------------------------------------------------------------- + // 28f. MITM — CoreDNS poisoning with TCP egress. + // Same CoreDNS poisoning as 28e, but now fusioncore.ai + // resolves to 128.130.194.56 (a routable IP that accepts + // TCP on port 80). curl generates a real TCP connection + // to the spoofed IP. + // + // Expected: + // R0005 = 0 — domain is in NN, no PTR reverse-lookup. + // R0011 fires — TCP egress to 128.130.194.56 which is + // NOT in the NN (NN only has 162.0.217.171). + // + // NOTE: runs after 28e; modifies cluster-wide CoreDNS. + // --------------------------------------------------------------- + t.Run("mitm_coredns_poisoning_tcp", func(t *testing.T) { + wl := setup(t) + ctx := context.Background() + k8sClient := k8sinterface.NewKubernetesApi() + + // ── Back up original CoreDNS Corefile ── + cm, err := k8sClient.KubernetesClient.CoreV1(). + ConfigMaps("kube-system").Get(ctx, "coredns", metav1.GetOptions{}) + require.NoError(t, err, "get coredns configmap") + originalCorefile := cm.Data["Corefile"] + + restartAndWaitCoreDNS := func() { + deploy, err := k8sClient.KubernetesClient.AppsV1(). + Deployments("kube-system").Get(ctx, "coredns", metav1.GetOptions{}) + require.NoError(t, err, "get coredns deployment") + if deploy.Spec.Template.ObjectMeta.Annotations == nil { + deploy.Spec.Template.ObjectMeta.Annotations = make(map[string]string) + } + deploy.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339) + _, err = k8sClient.KubernetesClient.AppsV1(). + Deployments("kube-system").Update(ctx, deploy, metav1.UpdateOptions{}) + require.NoError(t, err, "restart coredns") + + require.Eventually(t, func() bool { + d, err := k8sClient.KubernetesClient.AppsV1(). + Deployments("kube-system").Get(ctx, "coredns", metav1.GetOptions{}) + if err != nil || d.Spec.Replicas == nil { + return false + } + return d.Status.ReadyReplicas == *d.Spec.Replicas && + d.Status.UpdatedReplicas == *d.Spec.Replicas + }, 60*time.Second, 2*time.Second, "coredns must become ready") + } + + // ── Restore CoreDNS on cleanup (best-effort) ── + t.Cleanup(func() { + t.Log("cleanup: restoring CoreDNS Corefile") + cm, err := k8sClient.KubernetesClient.CoreV1(). + ConfigMaps("kube-system").Get(ctx, "coredns", metav1.GetOptions{}) + if err != nil { + t.Logf("cleanup: get coredns cm: %v", err) + return + } + cm.Data["Corefile"] = originalCorefile + if _, err := k8sClient.KubernetesClient.CoreV1(). + ConfigMaps("kube-system").Update(ctx, cm, metav1.UpdateOptions{}); err != nil { + t.Logf("cleanup: update coredns cm: %v", err) + return + } + deploy, err := k8sClient.KubernetesClient.AppsV1(). + Deployments("kube-system").Get(ctx, "coredns", metav1.GetOptions{}) + if err != nil { + t.Logf("cleanup: get coredns deploy: %v", err) + return + } + if deploy.Spec.Template.ObjectMeta.Annotations == nil { + deploy.Spec.Template.ObjectMeta.Annotations = make(map[string]string) + } + deploy.Spec.Template.ObjectMeta.Annotations["kubectl.kubernetes.io/restartedAt"] = time.Now().Format(time.RFC3339) + if _, err := k8sClient.KubernetesClient.AppsV1(). + Deployments("kube-system").Update(ctx, deploy, metav1.UpdateOptions{}); err != nil { + t.Logf("cleanup: restart coredns: %v", err) + } + }) + + // ── Poison CoreDNS: fusioncore.ai → 128.130.194.56 ── + poisoned := strings.Replace(originalCorefile, + "forward .", + "template IN A fusioncore.ai {\n answer \"fusioncore.ai. 60 IN A 128.130.194.56\"\n fallthrough\n }\n forward .", + 1) + require.NotEqual(t, originalCorefile, poisoned, "template injection must modify Corefile") + + cm.Data["Corefile"] = poisoned + _, err = k8sClient.KubernetesClient.CoreV1(). + ConfigMaps("kube-system").Update(ctx, cm, metav1.UpdateOptions{}) + require.NoError(t, err, "apply poisoned Corefile") + restartAndWaitCoreDNS() + + // Verify poisoned DNS returns the spoofed IP. + require.Eventually(t, func() bool { + stdout, _, _ := wl.ExecIntoPod([]string{"nslookup", "fusioncore.ai"}, "curl") + return strings.Contains(stdout, "128.130.194.56") + }, 30*time.Second, 3*time.Second, "poisoned CoreDNS must return 128.130.194.56 for fusioncore.ai") + + // ── Trigger alerts ── + // curl resolves fusioncore.ai → 128.130.194.56 (poisoned) + // then opens a TCP connection to 128.130.194.56:80. + stdout, stderr, err := wl.ExecIntoPod( + []string{"curl", "-sm5", "http://fusioncore.ai"}, "curl") + t.Logf("curl (poisoned DNS) → err=%v stdout=%q stderr=%q", err, stdout, stderr) + + alerts := waitAlerts(t, wl.Namespace) + t.Logf("=== %d alerts ===", len(alerts)) + logAlerts(t, alerts) + + // R0005 does NOT fire: fusioncore.ai is already in the NN + // egress list, and curl (like BusyBox nslookup) does NOT + // perform PTR reverse-lookups on resolved IPs. + assert.Equal(t, 0, countByRule(alerts, "R0005"), + "DNS MITM: domain is in NN and no PTR lookup — R0005 should not fire") + + // R0011 fires: TCP egress to 128.130.194.56 which is NOT + // in the NN (NN only allows 162.0.217.171). + require.Greater(t, countByRule(alerts, "R0011"), 0, + "DNS MITM: TCP to spoofed IP 128.130.194.56 must fire R0011") + }) } // Test_29_SignedApplicationProfile verifies that a cryptographically signed @@ -2473,12 +2719,18 @@ func Test_29_SignedApplicationProfile(t *testing.T) { t.Logf("curl (allowed) → err=%v stdout=%q stderr=%q", execErr, stdout, stderr) // ── 8. Exec an anomalous binary — should fire R0001 ── + // The user-defined profile may not be cached yet when the first exec runs. + // Re-exec nslookup on each poll so the eBPF event is generated after + // the profile is loaded (same race as the crypto miner test). stdout, stderr, execErr = wl.ExecIntoPod([]string{"nslookup", "ebpf.io"}, "curl") t.Logf("nslookup (anomalous) → err=%v stdout=%q stderr=%q", execErr, stdout, stderr) // ── 9. Wait for R0001 alert ── var alerts []testutils.Alert require.Eventually(t, func() bool { + // Re-exec on each poll to ensure the event arrives after the profile is cached. + wl.ExecIntoPod([]string{"nslookup", "ebpf.io"}, "curl") + alerts, err = testutils.GetAlerts(ns.Name) if err != nil || len(alerts) == 0 { return false @@ -2489,7 +2741,7 @@ func Test_29_SignedApplicationProfile(t *testing.T) { } } return false - }, 60*time.Second, 5*time.Second, "nslookup is not in signed AP — must fire R0001") + }, 120*time.Second, 10*time.Second, "nslookup is not in signed AP — must fire R0001") // Extra settle time. time.Sleep(10 * time.Second) @@ -2766,3 +3018,132 @@ func Test_30_TamperedSignedProfiles(t *testing.T) { t.Log(" the tampered profile would be silently rejected. No R-number fires for tampering.") }) } + +// Test_31_TamperDetectionAlert verifies that R1016 fires when a previously +// signed ApplicationProfile has been tampered with (signature is stale). +// +// This test proves the new tamper-detection alerting: +// - Sign an AP, push to storage +// - Tamper the AP in storage (modify spec, keep stale signature annotations) +// - Deploy a pod referencing the tampered profile +// - R1016 "Signed profile tampered" must fire +// +// R1016 fires regardless of enableSignatureVerification setting. +// The detection happens in the AP cache when it loads the profile. +func Test_31_TamperDetectionAlert(t *testing.T) { + start := time.Now() + defer tearDownTest(t, start) + + ns := testutils.NewRandomNamespace() + k8sClient := k8sinterface.NewKubernetesApi() + storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) + + // ── 1. Build and sign an ApplicationProfile ── + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "signed-ap", + Namespace: ns.Name, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "curl", + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/sleep"}, + {Path: "/usr/bin/curl"}, + }, + Syscalls: []string{"socket", "connect", "read", "write", "close", "openat"}, + }, + }, + }, + } + + apAdapter := profiles.NewApplicationProfileAdapter(ap) + require.NoError(t, signature.SignObjectDisableKeyless(apAdapter), "sign AP") + require.True(t, signature.IsSigned(apAdapter), "AP must be signed") + require.NoError(t, signature.VerifyObjectAllowUntrusted(apAdapter), + "signature must verify immediately after signing") + t.Log("AP signed successfully") + + // ── 2. Tamper the AP (add unauthorized exec path) ── + ap.Spec.Containers[0].Execs = append(ap.Spec.Containers[0].Execs, + v1beta1.ExecCalls{Path: "/usr/bin/nslookup"}) + + // Verify the signature is now invalid + tamperedAdapter := profiles.NewApplicationProfileAdapter(ap) + require.Error(t, signature.VerifyObjectAllowUntrusted(tamperedAdapter), + "tampered AP must fail verification") + require.True(t, signature.IsSigned(tamperedAdapter), + "tampered AP must still have signature annotations (stale)") + t.Log("AP tampered — signature is stale") + + // ── 3. Push tampered AP to storage ── + _, err := storageClient.ApplicationProfiles(ns.Name).Create( + context.Background(), ap, metav1.CreateOptions{}) + require.NoError(t, err, "push tampered AP to storage") + + // Verify it's stored with stale signature + require.Eventually(t, func() bool { + stored, getErr := storageClient.ApplicationProfiles(ns.Name).Get( + context.Background(), "signed-ap", v1.GetOptions{}) + if getErr != nil { + return false + } + storedAdapter := profiles.NewApplicationProfileAdapter(stored) + return signature.IsSigned(storedAdapter) && + signature.VerifyObjectAllowUntrusted(storedAdapter) != nil + }, 30*time.Second, 1*time.Second, "stored AP must have stale signature") + t.Log("Tampered AP stored with stale signature") + + // ── 4. Deploy pod referencing the tampered profile ── + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/curl-signed-deployment.yaml")) + require.NoError(t, err) + require.NoError(t, wl.WaitForReady(80)) + t.Log("Pod deployed, waiting for cache to detect tamper...") + + // ── 5. Wait for R1016 "Signed profile tampered" alert ── + // The AP cache's addContainer or periodicUpdate will detect the tampered + // signature and emit R1016 via the exporter. + var alerts []testutils.Alert + require.Eventually(t, func() bool { + alerts, err = testutils.GetAlerts(ns.Name) + if err != nil || len(alerts) == 0 { + return false + } + for _, a := range alerts { + if a.Labels["rule_id"] == "R1016" { + return true + } + } + return false + }, 120*time.Second, 5*time.Second, "R1016 must fire for tampered signed AP") + + // ── 6. Log all alerts for debugging ── + time.Sleep(5 * time.Second) + alerts, _ = testutils.GetAlerts(ns.Name) + + t.Logf("=== %d alerts ===", len(alerts)) + for i, a := range alerts { + t.Logf(" [%d] %s(%s) comm=%s container=%s", + i, a.Labels["rule_name"], a.Labels["rule_id"], + a.Labels["comm"], a.Labels["container_name"]) + } + + // Verify R1016 alert details + r1016Count := 0 + for _, a := range alerts { + if a.Labels["rule_id"] == "R1016" { + r1016Count++ + assert.Equal(t, "Signed profile tampered", a.Labels["rule_name"], + "R1016 alert must have correct rule name") + assert.Equal(t, ns.Name, a.Labels["namespace"], + "R1016 alert must have correct namespace") + t.Logf("R1016 alert: rule_name=%s namespace=%s severity=%s", + a.Labels["rule_name"], a.Labels["namespace"], a.Labels["severity"]) + } + } + require.Greater(t, r1016Count, 0, + "R1016 must fire — proves tamper detection alerting works") + t.Log("Tamper detection alerting verified successfully") +} From 3077029f8b1448c1c77b4a0936b57821e9be881b Mon Sep 17 00:00:00 2001 From: tanzee Date: Sun, 15 Mar 2026 12:27:18 +0100 Subject: [PATCH 06/31] we lost files during rebase and cherry pick --- tests/chart/crds/rules.crd.yaml | 17 ++++++- .../chart/crds/runtime-rule-binding.crd.yaml | 2 +- .../templates/node-agent/default-rules.yaml | 49 ++++++++++++++----- tests/chart/values.yaml | 4 +- tests/scripts/storage-tag.sh | 6 +-- 5 files changed, 57 insertions(+), 21 deletions(-) diff --git a/tests/chart/crds/rules.crd.yaml b/tests/chart/crds/rules.crd.yaml index e4e1155eaf..f8cc94ee42 100644 --- a/tests/chart/crds/rules.crd.yaml +++ b/tests/chart/crds/rules.crd.yaml @@ -91,6 +91,19 @@ spec: type: object additionalProperties: true description: "State information for the rule" + agentVersionRequirement: + type: string + description: "Agent version requirement to evaluate this rule (supports semver ranges like ~1.0, >=1.2.0, etc.)" + isTriggerAlert: + type: boolean + description: "Whether the rule is a trigger alert" + default: true + mitreTechnique: + type: string + description: "MITRE technique associated with the rule" + mitreTactic: + type: string + description: "MITRE tactic associated with the rule" required: - enabled - id @@ -100,7 +113,9 @@ spec: - profileDependency - severity - supportPolicy - - tags + - isTriggerAlert + - mitreTechnique + - mitreTactic required: - rules subresources: diff --git a/tests/chart/crds/runtime-rule-binding.crd.yaml b/tests/chart/crds/runtime-rule-binding.crd.yaml index d37280065e..d01b29b443 100644 --- a/tests/chart/crds/runtime-rule-binding.crd.yaml +++ b/tests/chart/crds/runtime-rule-binding.crd.yaml @@ -95,4 +95,4 @@ spec: items: type: string severity: - type: string \ No newline at end of file + type: string diff --git a/tests/chart/templates/node-agent/default-rules.yaml b/tests/chart/templates/node-agent/default-rules.yaml index 9dfd4b2ac6..4b245d321f 100644 --- a/tests/chart/templates/node-agent/default-rules.yaml +++ b/tests/chart/templates/node-agent/default-rules.yaml @@ -1,7 +1,7 @@ apiVersion: kubescape.io/v1 kind: Rules metadata: - name: kubescape-rules + name: default-rules namespace: kubescape annotations: kubescape.io/namespace: kubescape @@ -30,6 +30,7 @@ spec: - "process" - "exec" - "applicationprofile" + - "context:kubernetes" - name: "Files Access Anomalies in container" enabled: true id: "R0002" @@ -69,6 +70,7 @@ spec: - "file" - "open" - "applicationprofile" + - "context:kubernetes" - name: "Syscalls Anomalies in container" enabled: true id: "R0003" @@ -89,6 +91,7 @@ spec: - "anomaly" - "syscall" - "applicationprofile" + - "context:kubernetes" - name: "Linux Capabilities Anomalies in container" enabled: true id: "R0004" @@ -109,6 +112,7 @@ spec: - "anomaly" - "capabilities" - "applicationprofile" + - "context:kubernetes" - name: "DNS Anomalies in container" enabled: true id: "R0005" @@ -129,6 +133,7 @@ spec: - "dns" - "anomaly" - "networkprofile" + - "context:kubernetes" - name: "Unexpected service account token access" enabled: true id: "R0006" @@ -139,15 +144,12 @@ spec: ruleExpression: - eventType: "open" expression: > - ((event.path.startsWith('/run/secrets/kubernetes.io/serviceaccount') && event.path.endsWith('/token')) || + ((event.path.startsWith('/run/secrets/kubernetes.io/serviceaccount') && event.path.endsWith('/token')) || (event.path.startsWith('/var/run/secrets/kubernetes.io/serviceaccount') && event.path.endsWith('/token')) || (event.path.startsWith('/run/secrets/eks.amazonaws.com/serviceaccount') && event.path.endsWith('/token')) || (event.path.startsWith('/var/run/secrets/eks.amazonaws.com/serviceaccount') && event.path.endsWith('/token'))) && - !ap.was_path_opened_with_prefix(event.containerId, '/run/secrets/kubernetes.io/serviceaccount') && - !ap.was_path_opened_with_prefix(event.containerId, '/var/run/secrets/kubernetes.io/serviceaccount') && - !ap.was_path_opened_with_prefix(event.containerId, '/run/secrets/eks.amazonaws.com/serviceaccount') && - !ap.was_path_opened_with_prefix(event.containerId, '/var/run/secrets/eks.amazonaws.com/serviceaccount') - profileDependency: 1 + !ap.was_path_opened_with_suffix(event.containerId, '/token') + profileDependency: 0 severity: 5 supportPolicy: false isTriggerAlert: true @@ -157,6 +159,7 @@ spec: - "anomaly" - "serviceaccount" - "applicationprofile" + - "context:kubernetes" - name: "Workload uses Kubernetes API unexpectedly" enabled: true id: "R0007" @@ -172,7 +175,7 @@ spec: profileDependency: 0 severity: 5 # Medium supportPolicy: false - isTriggerAlert: true + isTriggerAlert: false mitreTactic: "TA0008" mitreTechnique: "T1210" tags: @@ -180,6 +183,7 @@ spec: - "network" - "anomaly" - "applicationprofile" + - "context:kubernetes" - name: "Read Environment Variables from procfs" enabled: true id: "R0008" @@ -190,7 +194,7 @@ spec: ruleExpression: - eventType: "open" expression: > - event.path.startsWith('/proc/') && + event.path.startsWith('/proc/') && event.path.endsWith('/environ') && !ap.was_path_opened_with_suffix(event.containerId, '/environ') profileDependency: 0 # Required @@ -204,6 +208,7 @@ spec: - "procfs" - "environment" - "applicationprofile" + - "context:kubernetes" - name: "eBPF Program Load" enabled: true id: "R0009" @@ -224,6 +229,7 @@ spec: - "bpf" - "ebpf" - "applicationprofile" + - "context:kubernetes" - name: "Unexpected Sensitive File Access" enabled: true id: "R0010" @@ -244,6 +250,7 @@ spec: - "files" - "anomaly" - "applicationprofile" + - "context:kubernetes" - name: "Unexpected Egress Network Traffic" enabled: true id: "R0011" @@ -265,6 +272,7 @@ spec: - "network" - "anomaly" - "networkprofile" + - "context:kubernetes" - name: "Process executed from malicious source" enabled: true id: "R1000" @@ -276,7 +284,7 @@ spec: - eventType: "exec" expression: > (event.exepath == '/dev/shm' || event.exepath.startsWith('/dev/shm/')) || - (event.cwd == '/dev/shm' || event.cwd.startsWith('/dev/shm/') || + (event.cwd == '/dev/shm' || event.cwd.startsWith('/dev/shm/') || (parse.get_exec_path(event.args, event.comm).startsWith('/dev/shm/'))) profileDependency: 2 severity: 8 @@ -288,6 +296,7 @@ spec: - "exec" - "signature" - "malicious" + - "context:kubernetes" - name: "Drifted process executed" enabled: true id: "R1001" @@ -313,6 +322,7 @@ spec: - "binary" - "base image" - "applicationprofile" + - "context:kubernetes" - name: "Process tries to load a kernel module" enabled: true id: "R1002" @@ -334,6 +344,7 @@ spec: - "kernel" - "module" - "load" + - "context:kubernetes" - name: "Disallowed ssh connection" enabled: false id: "R1003" @@ -356,13 +367,14 @@ spec: - "port" - "malicious" - "networkprofile" + - "context:kubernetes" - name: "Process executed from mount" enabled: true id: "R1004" description: "Detecting exec calls from mounted paths." expressions: message: "'Process (' + event.comm + ') was executed from a mounted path'" - uniqueId: "event.comm + '_' + event.exepath + '_'" + uniqueId: "event.comm" ruleExpression: - eventType: "exec" expression: "!ap.was_executed(event.containerId, parse.get_exec_path(event.args, event.comm)) && k8s.get_container_mount_paths(event.namespace, event.podName, event.containerName).exists(mount, event.exepath.startsWith(mount) || parse.get_exec_path(event.args, event.comm).startsWith(mount))" @@ -376,6 +388,7 @@ spec: - "exec" - "mount" - "applicationprofile" + - "context:kubernetes" - name: "Fileless execution detected" enabled: true id: "R1005" @@ -396,6 +409,7 @@ spec: - "fileless" - "execution" - "malicious" + - "context:kubernetes" - name: "Process tries to escape container" enabled: true id: "R1006" @@ -405,7 +419,7 @@ spec: uniqueId: "event.comm + '_' + 'unshare'" ruleExpression: - eventType: "unshare" - expression: "!ap.was_syscall_used(event.containerId, 'unshare')" + expression: "event.pcomm != 'runc' && !ap.was_syscall_used(event.containerId, 'unshare')" profileDependency: 2 severity: 5 supportPolicy: false @@ -418,6 +432,7 @@ spec: - "unshare" - "anomaly" - "applicationprofile" + - "context:kubernetes" - name: "Crypto miner launched" enabled: true id: "R1007" @@ -438,6 +453,7 @@ spec: - "crypto" - "miners" - "malicious" + - "context:kubernetes" - name: "Crypto Mining Domain Communication" enabled: true id: "R1008" @@ -447,7 +463,7 @@ spec: uniqueId: "event.name + '_' + event.comm" ruleExpression: - eventType: "dns" - expression: "event.name in ['2cryptocalc.com.', '2miners.com.', 'antpool.com.', 'asia1.ethpool.org.', 'bohemianpool.com.', 'botbox.dev.', 'btm.antpool.com.', 'c3pool.com.', 'c4pool.org.', 'ca.minexmr.com.', 'cn.stratum.slushpool.com.', 'dash.antpool.com.', 'data.miningpoolstats.stream.', 'de.minexmr.com.', 'eth-ar.dwarfpool.com.', 'eth-asia.dwarfpool.com.', 'eth-asia1.nanopool.org.', 'eth-au.dwarfpool.com.', 'eth-au1.nanopool.org.', 'eth-br.dwarfpool.com.', 'eth-cn.dwarfpool.com.', 'eth-cn2.dwarfpool.com.', 'eth-eu.dwarfpool.com.', 'eth-eu1.nanopool.org.', 'eth-eu2.nanopool.org.', 'eth-hk.dwarfpool.com.', 'eth-jp1.nanopool.org.', 'eth-ru.dwarfpool.com.', 'eth-ru2.dwarfpool.com.', 'eth-sg.dwarfpool.com.', 'eth-us-east1.nanopool.org.', 'eth-us-west1.nanopool.org.', 'eth-us.dwarfpool.com.', 'eth-us2.dwarfpool.com.', 'eth.antpool.com.', 'eu.stratum.slushpool.com.', 'eu1.ethermine.org.', 'eu1.ethpool.org.', 'fastpool.xyz.', 'fr.minexmr.com.', 'kriptokyng.com.', 'mine.moneropool.com.', 'mine.xmrpool.net.', 'miningmadness.com.', 'monero.cedric-crispin.com.', 'monero.crypto-pool.fr.', 'monero.fairhash.org.', 'monero.hashvault.pro.', 'monero.herominers.com.', 'monerod.org.', 'monerohash.com.', 'moneroocean.stream.', 'monerop.com.', 'multi-pools.com.', 'p2pool.io.', 'pool.kryptex.com.', 'pool.minexmr.com.', 'pool.monero.hashvault.pro.', 'pool.rplant.xyz.', 'pool.supportxmr.com.', 'pool.xmr.pt.', 'prohashing.com.', 'rx.unmineable.com.', 'sg.minexmr.com.', 'sg.stratum.slushpool.com.', 'skypool.org.', 'solo-xmr.2miners.com.', 'ss.antpool.com.', 'stratum-btm.antpool.com.', 'stratum-dash.antpool.com.', 'stratum-eth.antpool.com.', 'stratum-ltc.antpool.com.', 'stratum-xmc.antpool.com.', 'stratum-zec.antpool.com.', 'stratum.antpool.com.', 'supportxmr.com.', 'trustpool.cc.', 'us-east.stratum.slushpool.com.', 'us1.ethermine.org.', 'us1.ethpool.org.', 'us2.ethermine.org.', 'us2.ethpool.org.', 'web.xmrpool.eu.', 'www.domajorpool.com.', 'www.dxpool.com.', 'www.mining-dutch.nl.', 'xmc.antpool.com.', 'xmr-asia1.nanopool.org.', 'xmr-au1.nanopool.org.', 'xmr-eu1.nanopool.org.', 'xmr-eu2.nanopool.org.', 'xmr-jp1.nanopool.org.', 'xmr-us-east1.nanopool.org.', 'xmr-us-west1.nanopool.org.', 'xmr.2miners.com.', 'xmr.crypto-pool.fr.', 'xmr.gntl.uk.', 'xmr.nanopool.org.', 'xmr.pool-pay.com.', 'xmr.pool.minergate.com.', 'xmr.solopool.org.', 'xmr.volt-mine.com.', 'xmr.zeropool.io.', 'zec.antpool.com.', 'zergpool.com.', 'auto.c3pool.org.', 'us.monero.herominers.com.']" + expression: "event.name in ['2cryptocalc.com.', '2miners.com.', 'antpool.com.', 'asia1.ethpool.org.', 'bohemianpool.com.', 'botbox.dev.', 'btm.antpool.com.', 'c3pool.com.', 'c4pool.org.', 'ca.minexmr.com.', 'cn.stratum.slushpool.com.', 'dash.antpool.com.', 'data.miningpoolstats.stream.', 'de.minexmr.com.', 'eth-ar.dwarfpool.com.', 'eth-asia.dwarfpool.com.', 'eth-asia1.nanopool.org.', 'eth-au.dwarfpool.com.', 'eth-au1.nanopool.org.', 'eth-br.dwarfpool.com.', 'eth-cn.dwarfpool.com.', 'eth-cn2.dwarfpool.com.', 'eth-eu.dwarfpool.com.', 'eth-eu1.nanopool.org.', 'eth-eu2.nanopool.org.', 'eth-hk.dwarfpool.com.', 'eth-jp1.nanopool.org.', 'eth-ru.dwarfpool.com.', 'eth-ru2.dwarfpool.com.', 'eth-sg.dwarfpool.com.', 'eth-us-east1.nanopool.org.', 'eth-us-west1.nanopool.org.', 'eth-us.dwarfpool.com.', 'eth-us2.dwarfpool.com.', 'eth.antpool.com.', 'eu.stratum.slushpool.com.', 'eu1.ethermine.org.', 'eu1.ethpool.org.', 'fastpool.xyz.', 'fr.minexmr.com.', 'kriptokyng.com.', 'mine.moneropool.com.', 'mine.xmrpool.net.', 'miningmadness.com.', 'monero.cedric-crispin.com.', 'monero.crypto-pool.fr.', 'monero.fairhash.org.', 'monero.hashvault.pro.', 'monero.herominers.com.', 'monerod.org.', 'monerohash.com.', 'moneroocean.stream.', 'monerop.com.', 'multi-pools.com.', 'p2pool.io.', 'pool.kryptex.com.', 'pool.minexmr.com.', 'pool.monero.hashvault.pro.', 'pool.rplant.xyz.', 'pool.supportxmr.com.', 'pool.xmr.pt.', 'prohashing.com.', 'rx.unmineable.com.', 'sg.minexmr.com.', 'sg.stratum.slushpool.com.', 'skypool.org.', 'solo-xmr.2miners.com.', 'ss.antpool.com.', 'stratum-btm.antpool.com.', 'stratum-dash.antpool.com.', 'stratum-eth.antpool.com.', 'stratum-ltc.antpool.com.', 'stratum-xmc.antpool.com.', 'stratum-zec.antpool.com.', 'stratum.antpool.com.', 'supportxmr.com.', 'trustpool.cc.', 'us-east.stratum.slushpool.com.', 'us1.ethermine.org.', 'us1.ethpool.org.', 'us2.ethermine.org.', 'us2.ethpool.org.', 'web.xmrpool.eu.', 'www.domajorpool.com.', 'www.dxpool.com.', 'www.mining-dutch.nl.', 'xmc.antpool.com.', 'xmr-asia1.nanopool.org.', 'xmr-au1.nanopool.org.', 'xmr-eu1.nanopool.org.', 'xmr-eu2.nanopool.org.', 'xmr-jp1.nanopool.org.', 'xmr-us-east1.nanopool.org.', 'xmr-us-west1.nanopool.org.', 'xmr.2miners.com.', 'xmr.crypto-pool.fr.', 'xmr.gntl.uk.', 'xmr.nanopool.org.', 'xmr.pool-pay.com.', 'xmr.pool.minergate.com.', 'xmr.solopool.org.', 'xmr.volt-mine.com.', 'xmr.zeropool.io.', 'zec.antpool.com.', 'zergpool.com.', 'auto.c3pool.org.', 'us.monero.herominers.com.', 'xmr.kryptex.network.']" profileDependency: 2 severity: 10 supportPolicy: false @@ -460,6 +476,7 @@ spec: - "miners" - "malicious" - "dns" + - "context:kubernetes" - name: "Crypto Mining Related Port Communication" enabled: true id: "R1009" @@ -482,6 +499,7 @@ spec: - "miners" - "malicious" - "networkprofile" + - "context:kubernetes" - name: "Soft link created over sensitive file" enabled: true id: "R1010" @@ -502,6 +520,7 @@ spec: - "anomaly" - "symlink" - "applicationprofile" + - "context:kubernetes" - name: "ld_preload hooks technique detected" enabled: false id: "R1011" @@ -524,6 +543,7 @@ spec: - "exec" - "malicious" - "applicationprofile" + - "context:kubernetes" - name: "Hard link created over sensitive file" enabled: true id: "R1012" @@ -544,6 +564,7 @@ spec: - "files" - "malicious" - "applicationprofile" + - "context:kubernetes" - name: "Malicious Ptrace Usage" enabled: true id: "R1015" @@ -563,6 +584,7 @@ spec: tags: - "process" - "malicious" + - "context:kubernetes" - name: "Unexpected io_uring Operation Detected" enabled: true id: "R1030" @@ -583,6 +605,7 @@ spec: - "syscalls" - "io_uring" - "applicationprofile" + - "context:kubernetes" - name: "Signed profile tampered" enabled: true id: "R1016" diff --git a/tests/chart/values.yaml b/tests/chart/values.yaml index 7cf029c4c8..cde97df906 100644 --- a/tests/chart/values.yaml +++ b/tests/chart/values.yaml @@ -32,7 +32,7 @@ global: storage: name: "storage" image: - repository: quay.io/kubescape/storage + repository: ghcr.io/k8sstormcenter/storage tag: v0.0.156 pullPolicy: Always cleanupInterval: "6h" @@ -50,7 +50,7 @@ storage: nodeAgent: name: node-agent image: - repository: quay.io/kubescape/node-agent + repository: ghcr.io/k8sstormcenter/node-agent tag: v0.2.21 pullPolicy: IfNotPresent diff --git a/tests/scripts/storage-tag.sh b/tests/scripts/storage-tag.sh index 5512f2ae5a..4bb2565eb8 100755 --- a/tests/scripts/storage-tag.sh +++ b/tests/scripts/storage-tag.sh @@ -1,4 +1,2 @@ -#/bin/bash -curl -s https://raw.githubusercontent.com/kubescape/helm-charts/main/charts/kubescape-operator/values.yaml -o values.yaml -yq '.storage.image.tag' < values.yaml -rm -rf values.yaml +#!/bin/bash +curl -s https://api.github.com/repos/k8sstormcenter/storage/tags | jq -r '.[0].name' From 7948db79fc9987c33b6bef5d74c366fd1a7a4200 Mon Sep 17 00:00:00 2001 From: Duck <70207455+entlein@users.noreply.github.com> Date: Sun, 26 Apr 2026 21:51:43 +0200 Subject: [PATCH 07/31] Update go.mod --- go.mod | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/go.mod b/go.mod index e61b222b3b..0e3fe07269 100644 --- a/go.mod +++ b/go.mod @@ -507,4 +507,4 @@ replace github.com/inspektor-gadget/inspektor-gadget => github.com/matthyx/inspe replace github.com/cilium/ebpf => github.com/matthyx/ebpf v0.0.0-20260421101317-8a32d06def6c -replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260311143456-a042ebaa0ec9 +replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260426191622-cdbf491b5bd8 From d2f2c5a6611c190f676c2ca5df99c18a45a3c7c4 Mon Sep 17 00:00:00 2001 From: Duck <70207455+entlein@users.noreply.github.com> Date: Mon, 27 Apr 2026 12:11:19 +0200 Subject: [PATCH 08/31] ci: build image once with consistent deps + sync go.sum (#30) * go mod tidy * ci: build image once with consistent deps; resolve storage SHA at runtime --------- Co-authored-by: Entlein --- .github/workflows/component-tests.yaml | 53 +++++++++++++++++-- go.mod | 28 +++++------ go.sum | 70 +++++++++++++------------- 3 files changed, 98 insertions(+), 53 deletions(-) diff --git a/.github/workflows/component-tests.yaml b/.github/workflows/component-tests.yaml index 163b6c50f6..c01b09dd8b 100644 --- a/.github/workflows/component-tests.yaml +++ b/.github/workflows/component-tests.yaml @@ -51,10 +51,10 @@ on: required: true default: 'latest' STORAGE_REF: - description: 'Branch/tag/commit of k8sstormcenter/storage to use (leave empty to keep go.mod default)' + description: 'Commit SHA of k8sstormcenter/storage to use (leave empty to resolve current main HEAD at runtime)' type: string required: false - default: 'a042ebaa0ec9280d69eac81b5eeaa4d0dfd1c558' + default: '' concurrency: group: ${{ github.workflow }}-${{ github.ref }} @@ -138,11 +138,50 @@ jobs: echo "Installing IG version: ${IG_VERSION}" curl -sL https://github.com/inspektor-gadget/inspektor-gadget/releases/download/${IG_VERSION}/ig-linux-${IG_ARCH}-${IG_VERSION}.tar.gz | sudo tar -C /usr/local/bin -xzf - ig sudo chmod +x /usr/local/bin/ig + + # Resolve the storage commit SHA once and use the same one for the + # image build AND the test runner (output downstream). Without this, + # the docker image and the test binary can compile against different + # storage versions when their go.mod replace directives drift. + - name: Resolve storage ref + id: resolve-storage + env: + STORAGE_REF_INPUT: ${{ inputs.STORAGE_REF }} + run: | + STORAGE_REF="${STORAGE_REF_INPUT}" + if [ -z "${STORAGE_REF}" ]; then + STORAGE_REF=$(git ls-remote https://github.com/k8sstormcenter/storage refs/heads/main | awk '{print $1}') + echo "Resolved k8sstormcenter/storage main to: ${STORAGE_REF}" + else + echo "Using supplied STORAGE_REF: ${STORAGE_REF}" + fi + echo "storage_ref=${STORAGE_REF}" >> "$GITHUB_OUTPUT" + echo "storage_short=${STORAGE_REF:0:7}" >> "$GITHUB_OUTPUT" + + - name: Set up Go + uses: actions/setup-go@v5 + with: + go-version: "1.25" + + - name: Pin storage version for image build + env: + STORAGE_REF: ${{ steps.resolve-storage.outputs.storage_ref }} + GOFLAGS: "" + run: | + echo "Replacing github.com/kubescape/storage with github.com/k8sstormcenter/storage@${STORAGE_REF}" + go mod edit -replace "github.com/kubescape/storage=github.com/k8sstormcenter/storage@${STORAGE_REF}" + go mod tidy + echo "Resolved storage version:" + grep "k8sstormcenter/storage" go.sum | head -1 + - name: Build the Image and Push to GHCR id: build-and-push-image run: | COMMIT_HASH=$(git rev-parse --short HEAD) - export IMAGE_TAG=test-${COMMIT_HASH} + STORAGE_SHORT="${{ steps.resolve-storage.outputs.storage_short }}" + # Image tag encodes both node-agent and storage SHAs so the same + # source pair always produces the same artifact and can be cached. + export IMAGE_TAG=test-${COMMIT_HASH}-s${STORAGE_SHORT} export IMAGE_REPO=ghcr.io/${{ github.repository_owner }}/node-agent echo "image_repo=${IMAGE_REPO}" >> "$GITHUB_OUTPUT" export IMAGE_NAME=ghcr.io/${{ github.repository_owner }}/node-agent:${IMAGE_TAG} @@ -151,6 +190,7 @@ jobs: outputs: image_tag: ${{ steps.build-and-push-image.outputs.image_tag }} image_repo: ${{ steps.build-and-push-image.outputs.image_repo }} + storage_ref: ${{ steps.resolve-storage.outputs.storage_ref }} # ------------------------------------------------------------------- # Component tests. @@ -274,12 +314,15 @@ jobs: run: | sudo sh -c "ulimit -l unlimited" - name: Update storage dependency - #if: ${{ inputs.STORAGE_REF != '' && inputs.STORAGE_REF != 'latest' }} env: - STORAGE_REF: ${{ inputs.STORAGE_REF || 'a042ebaa0ec9280d69eac81b5eeaa4d0dfd1c558' }} + STORAGE_REF: ${{ needs.build-and-push-image.outputs.storage_ref || inputs.STORAGE_REF }} GONOSUMCHECK: "*" GOFLAGS: "" run: | + if [ -z "${STORAGE_REF}" ]; then + STORAGE_REF=$(git ls-remote https://github.com/k8sstormcenter/storage refs/heads/main | awk '{print $1}') + echo "Resolved k8sstormcenter/storage main to: ${STORAGE_REF}" + fi echo "Replacing github.com/kubescape/storage with github.com/k8sstormcenter/storage@${STORAGE_REF}" go mod edit -replace "github.com/kubescape/storage=github.com/k8sstormcenter/storage@${STORAGE_REF}" go mod tidy diff --git a/go.mod b/go.mod index d240335f96..28e2a0bbe0 100644 --- a/go.mod +++ b/go.mod @@ -7,7 +7,7 @@ require ( github.com/Masterminds/semver/v3 v3.4.0 github.com/anchore/syft v1.32.0 github.com/aquilax/truncate v1.0.0 - github.com/armosec/armoapi-go v0.0.694 + github.com/armosec/armoapi-go v0.0.696 github.com/armosec/utils-k8s-go v0.0.35 github.com/cenkalti/backoff v2.2.1+incompatible github.com/cenkalti/backoff/v4 v4.3.0 @@ -25,7 +25,7 @@ require ( github.com/go-openapi/strfmt v0.26.0 github.com/golang-jwt/jwt/v5 v5.3.0 github.com/google/cel-go v0.26.1 - github.com/google/go-containerregistry v0.20.7 + github.com/google/go-containerregistry v0.21.2 github.com/google/uuid v1.6.0 github.com/goradd/maps v1.3.0 github.com/grafana/pyroscope-go v1.2.2 @@ -71,7 +71,7 @@ require ( k8s.io/cri-api v0.35.0 k8s.io/kubectl v0.34.1 k8s.io/utils v0.0.0-20260210185600-b8788abfbbc2 - modernc.org/sqlite v1.38.2 + modernc.org/sqlite v1.46.1 oras.land/oras-go/v2 v2.6.0 sigs.k8s.io/yaml v1.6.0 ) @@ -161,7 +161,7 @@ require ( github.com/blakesmith/ar v0.0.0-20190502131153-809d4375e1fb // indirect github.com/blang/semver v3.5.1+incompatible // indirect github.com/blang/semver/v4 v4.0.0 // indirect - github.com/bmatcuk/doublestar/v4 v4.9.1 // indirect + github.com/bmatcuk/doublestar/v4 v4.10.0 // indirect github.com/bodgit/plumbing v1.3.0 // indirect github.com/bodgit/sevenzip v1.6.1 // indirect github.com/bodgit/windows v1.0.1 // indirect @@ -190,7 +190,7 @@ require ( github.com/containerd/log v0.1.0 // indirect github.com/containerd/nri v0.9.0 // indirect github.com/containerd/platforms v0.2.1 // indirect - github.com/containerd/stargz-snapshotter/estargz v0.18.1 // indirect + github.com/containerd/stargz-snapshotter/estargz v0.18.2 // indirect github.com/containerd/ttrpc v1.2.7 // indirect github.com/containerd/typeurl/v2 v2.2.3 // indirect github.com/containers/common v0.64.2 // indirect @@ -203,10 +203,10 @@ require ( github.com/digitorus/timestamp v0.0.0-20231217203849-220c5c2851b7 // indirect github.com/diskfs/go-diskfs v1.7.0 // indirect github.com/distribution/reference v0.6.0 // indirect - github.com/docker/cli v29.2.0+incompatible // indirect + github.com/docker/cli v29.3.0+incompatible // indirect github.com/docker/distribution v2.8.3+incompatible // indirect github.com/docker/docker v28.5.2+incompatible // indirect - github.com/docker/docker-credential-helpers v0.9.4 // indirect + github.com/docker/docker-credential-helpers v0.9.5 // indirect github.com/docker/go-connections v0.6.0 // indirect github.com/docker/go-events v0.0.0-20250114142523-c867878c5e32 // indirect github.com/docker/go-units v0.5.0 // indirect @@ -224,9 +224,9 @@ require ( github.com/francoispqt/gojay v1.2.13 // indirect github.com/fsnotify/fsnotify v1.9.0 // indirect github.com/fxamacker/cbor/v2 v2.9.0 // indirect - github.com/gabriel-vasile/mimetype v1.4.11 // indirect + github.com/gabriel-vasile/mimetype v1.4.13 // indirect github.com/gammazero/deque v1.0.0 // indirect - github.com/github/go-spdx/v2 v2.3.3 // indirect + github.com/github/go-spdx/v2 v2.4.0 // indirect github.com/go-asn1-ber/asn1-ber v1.5.7 // indirect github.com/go-chi/chi/v5 v5.2.5 // indirect github.com/go-errors/errors v1.5.1 // indirect @@ -266,7 +266,7 @@ require ( github.com/godbus/dbus/v5 v5.2.0 // indirect github.com/gofrs/flock v0.13.0 // indirect github.com/gogo/protobuf v1.3.2 // indirect - github.com/gohugoio/hashstructure v0.5.0 // indirect + github.com/gohugoio/hashstructure v0.6.0 // indirect github.com/golang-jwt/jwt/v4 v4.5.2 // indirect github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect @@ -341,7 +341,7 @@ require ( github.com/muesli/termenv v0.16.0 // indirect github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect - github.com/ncruces/go-strftime v0.1.9 // indirect + github.com/ncruces/go-strftime v1.0.0 // indirect github.com/ncw/directio v1.0.5 // indirect github.com/nix-community/go-nix v0.0.0-20250101154619-4bdde671e0a1 // indirect github.com/notaryproject/notation-core-go v1.3.0 // indirect @@ -430,7 +430,7 @@ require ( github.com/vishvananda/netlink v1.3.1 // indirect github.com/vishvananda/netns v0.0.5 // indirect github.com/wagoodman/go-partybus v0.0.0-20230516145632-8ccac152c651 // indirect - github.com/wagoodman/go-progress v0.0.0-20230925121702-07e42b3cdba0 // indirect + github.com/wagoodman/go-progress v0.0.0-20260303201901-10176f79b2c0 // indirect github.com/x448/float16 v0.8.4 // indirect github.com/xanzy/ssh-agent v0.3.3 // indirect github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8 // indirect @@ -491,7 +491,7 @@ require ( k8s.io/klog/v2 v2.130.1 // indirect k8s.io/kube-openapi v0.0.0-20250910181357-589584f1c912 // indirect k8s.io/kubelet v0.35.0 // indirect - modernc.org/libc v1.66.3 // indirect + modernc.org/libc v1.67.6 // indirect modernc.org/mathutil v1.7.1 // indirect modernc.org/memory v1.11.0 // indirect sigs.k8s.io/controller-runtime v0.21.0 // indirect @@ -507,4 +507,4 @@ replace github.com/inspektor-gadget/inspektor-gadget => github.com/matthyx/inspe replace github.com/cilium/ebpf => github.com/matthyx/ebpf v0.0.0-20260421101317-8a32d06def6c -replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260426191622-cdbf491b5bd8 +replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260426191622-cdbf491b5bd8 diff --git a/go.sum b/go.sum index 0b4f47223f..1ff276b052 100644 --- a/go.sum +++ b/go.sum @@ -226,8 +226,8 @@ github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8= github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio= github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs= -github.com/armosec/armoapi-go v0.0.694 h1:LDScWAzikv7mJdDhO+VM0DfNoMhQbhA6do6LWXHRIQs= -github.com/armosec/armoapi-go v0.0.694/go.mod h1:9jAH0g8ZsryhiBDd/aNMX4+n10bGwTx/doWCyyjSxts= +github.com/armosec/armoapi-go v0.0.696 h1:+0Ll7y4oWNaKEO47qbGDFIQLxkSJeKYzylS0FwI84XE= +github.com/armosec/armoapi-go v0.0.696/go.mod h1:9jAH0g8ZsryhiBDd/aNMX4+n10bGwTx/doWCyyjSxts= github.com/armosec/gojay v1.2.17 h1:VSkLBQzD1c2V+FMtlGFKqWXNsdNvIKygTKJI9ysY8eM= github.com/armosec/gojay v1.2.17/go.mod h1:vuvX3DlY0nbVrJ0qCklSS733AWMoQboq3cFyuQW9ybc= github.com/armosec/utils-go v0.0.58 h1:g9RnRkxZAmzTfPe2ruMo2OXSYLwVSegQSkSavOfmaIE= @@ -301,8 +301,8 @@ github.com/blang/semver v3.5.1+incompatible h1:cQNTCjp13qL8KC3Nbxr/y2Bqb63oX6wdn github.com/blang/semver v3.5.1+incompatible/go.mod h1:kRBLl5iJ+tD4TcOOxsy/0fnwebNt5EWlYSAyrTnjyyk= github.com/blang/semver/v4 v4.0.0 h1:1PFHFE6yCCTv8C1TeyNNarDzntLi7wMI5i/pzqYIsAM= github.com/blang/semver/v4 v4.0.0/go.mod h1:IbckMUScFkM3pff0VJDNKRiT6TG/YpiHIM2yvyW5YoQ= -github.com/bmatcuk/doublestar/v4 v4.9.1 h1:X8jg9rRZmJd4yRy7ZeNDRnM+T3ZfHv15JiBJ/avrEXE= -github.com/bmatcuk/doublestar/v4 v4.9.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc= +github.com/bmatcuk/doublestar/v4 v4.10.0 h1:zU9WiOla1YA122oLM6i4EXvGW62DvKZVxIe6TYWexEs= +github.com/bmatcuk/doublestar/v4 v4.10.0/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc= github.com/bodgit/plumbing v1.3.0 h1:pf9Itz1JOQgn7vEOE7v7nlEfBykYqvUYioC61TwWCFU= github.com/bodgit/plumbing v1.3.0/go.mod h1:JOTb4XiRu5xfnmdnDJo6GmSbSbtSyufrsyZFByMtKEs= github.com/bodgit/sevenzip v1.6.1 h1:kikg2pUMYC9ljU7W9SaqHXhym5HyKm8/M/jd31fYan4= @@ -404,8 +404,8 @@ github.com/containerd/nri v0.9.0 h1:jribDJs/oQ95vLO4Yn19HKFYriZGWKiG6nKWjl9Y/x4= github.com/containerd/nri v0.9.0/go.mod h1:sDRoMy5U4YolsWthg7TjTffAwPb6LEr//83O+D3xVU4= github.com/containerd/platforms v0.2.1 h1:zvwtM3rz2YHPQsF2CHYM8+KtB5dvhISiXh5ZpSBQv6A= github.com/containerd/platforms v0.2.1/go.mod h1:XHCb+2/hzowdiut9rkudds9bE5yJ7npe7dG/wG+uFPw= -github.com/containerd/stargz-snapshotter/estargz v0.18.1 h1:cy2/lpgBXDA3cDKSyEfNOFMA/c10O1axL69EU7iirO8= -github.com/containerd/stargz-snapshotter/estargz v0.18.1/go.mod h1:ALIEqa7B6oVDsrF37GkGN20SuvG/pIMm7FwP7ZmRb0Q= +github.com/containerd/stargz-snapshotter/estargz v0.18.2 h1:yXkZFYIzz3eoLwlTUZKz2iQ4MrckBxJjkmD16ynUTrw= +github.com/containerd/stargz-snapshotter/estargz v0.18.2/go.mod h1:XyVU5tcJ3PRpkA9XS2T5us6Eg35yM0214Y+wvrZTBrY= github.com/containerd/ttrpc v1.2.7 h1:qIrroQvuOL9HQ1X6KHe2ohc7p+HP/0VE6XPU7elJRqQ= github.com/containerd/ttrpc v1.2.7/go.mod h1:YCXHsb32f+Sq5/72xHubdiJRQY9inL4a4ZQrAbN1q9o= github.com/containerd/typeurl/v2 v2.2.3 h1:yNA/94zxWdvYACdYO8zofhrTVuQY73fFU1y++dYSw40= @@ -456,14 +456,14 @@ github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5Qvfr github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E= github.com/djherbis/times v1.6.0 h1:w2ctJ92J8fBvWPxugmXIv7Nz7Q3iDMKNx9v5ocVH20c= github.com/djherbis/times v1.6.0/go.mod h1:gOHeRAz2h+VJNZ5Gmc/o7iD9k4wW7NMVqieYCY99oc0= -github.com/docker/cli v29.2.0+incompatible h1:9oBd9+YM7rxjZLfyMGxjraKBKE4/nVyvVfN4qNl9XRM= -github.com/docker/cli v29.2.0+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8= +github.com/docker/cli v29.3.0+incompatible h1:z3iWveU7h19Pqx7alZES8j+IeFQZ1lhTwb2F+V9SVvk= +github.com/docker/cli v29.3.0+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8= github.com/docker/distribution v2.8.3+incompatible h1:AtKxIZ36LoNK51+Z6RpzLpddBirtxJnzDrHLEKxTAYk= github.com/docker/distribution v2.8.3+incompatible/go.mod h1:J2gT2udsDAN96Uj4KfcMRqY0/ypR+oyYUYmja8H+y+w= github.com/docker/docker v28.5.2+incompatible h1:DBX0Y0zAjZbSrm1uzOkdr1onVghKaftjlSWt4AFexzM= github.com/docker/docker v28.5.2+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk= -github.com/docker/docker-credential-helpers v0.9.4 h1:76ItO69/AP/V4yT9V4uuuItG0B1N8hvt0T0c0NN/DzI= -github.com/docker/docker-credential-helpers v0.9.4/go.mod h1:v1S+hepowrQXITkEfw6o4+BMbGot02wiKpzWhGUZK6c= +github.com/docker/docker-credential-helpers v0.9.5 h1:EFNN8DHvaiK8zVqFA2DT6BjXE0GzfLOZ38ggPTKePkY= +github.com/docker/docker-credential-helpers v0.9.5/go.mod h1:v1S+hepowrQXITkEfw6o4+BMbGot02wiKpzWhGUZK6c= github.com/docker/go-connections v0.6.0 h1:LlMG9azAe1TqfR7sO+NJttz1gy6KO7VJBh+pMmjSD94= github.com/docker/go-connections v0.6.0/go.mod h1:AahvXYshr6JgfUJGdDCs2b5EZG/vmaMAntpSFH5BFKE= github.com/docker/go-events v0.0.0-20250114142523-c867878c5e32 h1:EHZfspsnLAz8Hzccd67D5abwLiqoqym2jz/jOS39mCk= @@ -541,13 +541,13 @@ github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0= github.com/fxamacker/cbor/v2 v2.9.0 h1:NpKPmjDBgUfBms6tr6JZkTHtfFGcMKsw3eGcmD/sapM= github.com/fxamacker/cbor/v2 v2.9.0/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ= -github.com/gabriel-vasile/mimetype v1.4.11 h1:AQvxbp830wPhHTqc1u7nzoLT+ZFxGY7emj5DR5DYFik= -github.com/gabriel-vasile/mimetype v1.4.11/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s= +github.com/gabriel-vasile/mimetype v1.4.13 h1:46nXokslUBsAJE/wMsp5gtO500a4F3Nkz9Ufpk2AcUM= +github.com/gabriel-vasile/mimetype v1.4.13/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s= github.com/gammazero/deque v1.0.0 h1:LTmimT8H7bXkkCy6gZX7zNLtkbz4NdS2z8LZuor3j34= github.com/gammazero/deque v1.0.0/go.mod h1:iflpYvtGfM3U8S8j+sZEKIak3SAKYpA5/SQewgfXDKo= github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= -github.com/github/go-spdx/v2 v2.3.3 h1:QI7evnHWEfWkT54eJwkoV/f3a0xD3gLlnVmT5wQG6LE= -github.com/github/go-spdx/v2 v2.3.3/go.mod h1:2ZxKsOhvBp+OYBDlsGnUMcchLeo2mrpEBn2L1C+U3IQ= +github.com/github/go-spdx/v2 v2.4.0 h1:+4IwVwJJbm3rzvrQ6P1nI9BDMcy3la4RchRy5uehV/M= +github.com/github/go-spdx/v2 v2.4.0/go.mod h1:/5rwgS0txhGtRdUZwc02bTglzg6HK3FfuEbECKlK2Sg= github.com/glebarez/go-sqlite v1.20.3 h1:89BkqGOXR9oRmG58ZrzgoY/Fhy5x0M+/WV48U5zVrZ4= github.com/glebarez/go-sqlite v1.20.3/go.mod h1:u3N6D/wftiAzIOJtZl6BmedqxmmkDfH3q+ihjqxC9u0= github.com/gliderlabs/ssh v0.1.1/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0= @@ -676,8 +676,8 @@ github.com/gofrs/flock v0.13.0/go.mod h1:jxeyy9R1auM5S6JYDBhDt+E2TCo7DkratH4Pgi8 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ= github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q= github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q= -github.com/gohugoio/hashstructure v0.5.0 h1:G2fjSBU36RdwEJBWJ+919ERvOVqAg9tfcYp47K9swqg= -github.com/gohugoio/hashstructure v0.5.0/go.mod h1:Ser0TniXuu/eauYmrwM4o64EBvySxNzITEOLlm4igec= +github.com/gohugoio/hashstructure v0.6.0 h1:7wMB/2CfXoThFYhdWRGv3u3rUM761Cq29CxUW+NltUg= +github.com/gohugoio/hashstructure v0.6.0/go.mod h1:lapVLk9XidheHG1IQ4ZSbyYrXcaILU1ZEP/+vno5rBQ= github.com/golang-jwt/jwt/v4 v4.5.2 h1:YtQM7lnr8iZ+j5q71MGKkNw9Mn7AjHM68uc9g5fXeUI= github.com/golang-jwt/jwt/v4 v4.5.2/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w39/MY0Ch0= github.com/golang-jwt/jwt/v5 v5.3.0 h1:pv4AsKCKKZuqlgs5sUmn4x8UlGa0kEVt/puTpKx9vvo= @@ -752,8 +752,8 @@ github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeN github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8= github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU= -github.com/google/go-containerregistry v0.20.7 h1:24VGNpS0IwrOZ2ms2P1QE3Xa5X9p4phx0aUgzYzHW6I= -github.com/google/go-containerregistry v0.20.7/go.mod h1:Lx5LCZQjLH1QBaMPeGwsME9biPeo1lPx6lbGj/UmzgM= +github.com/google/go-containerregistry v0.21.2 h1:vYaMU4nU55JJGFC9JR/s8NZcTjbE9DBBbvusTW9NeS0= +github.com/google/go-containerregistry v0.21.2/go.mod h1:ctO5aCaewH4AK1AumSF5DPW+0+R+d2FmylMJdp5G7p0= github.com/google/go-github v17.0.0+incompatible/go.mod h1:zLgOLi98H3fifZn+44m+umXrS52loVEgC2AApnigrVQ= github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck= github.com/google/go-querystring v1.2.0 h1:yhqkPbu2/OH+V9BfpCVPZkNmUXhb2gBxJArfhIxNtP0= @@ -981,8 +981,8 @@ github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHm github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= -github.com/k8sstormcenter/storage v0.0.240-0.20260311143456-a042ebaa0ec9 h1:wGXVzdIKvGwUu1KXvUUsCxR1WWC6vzjwLhH2Jq9UuPE= -github.com/k8sstormcenter/storage v0.0.240-0.20260311143456-a042ebaa0ec9/go.mod h1:huYJIFh7TUAlV0W3+cmOh7KoJnWRcbWtGw0kY9YIrjU= +github.com/k8sstormcenter/storage v0.0.240-0.20260426191622-cdbf491b5bd8 h1:T39tWgm8ur/a4Y3D7GJ1CLKIl9xMCSC1bBNPKQfKDCM= +github.com/k8sstormcenter/storage v0.0.240-0.20260426191622-cdbf491b5bd8/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953 h1:WdAeg/imY2JFPc/9CST4bZ80nNJbiBFCAdSZCSgrS5Y= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953/go.mod h1:6o+UrvuZWc4UTyBhQf0LGjW9Ld7qJxLz/OqvSOWWlEc= github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4= @@ -1157,8 +1157,8 @@ github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f h1:y5//uYreIhSUg3J github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f/go.mod h1:ZdcZmHo+o7JKHSa8/e818NopupXU1YMK5fe1lsApnBw= github.com/natefinch/atomic v1.0.1 h1:ZPYKxkqQOx3KZ+RsbnP/YsgvxWQPGxjC0oBt2AhwV0A= github.com/natefinch/atomic v1.0.1/go.mod h1:N/D/ELrljoqDyT3rZrsUmtsuzvHkeB/wWjHV22AZRbM= -github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4= -github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls= +github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w= +github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls= github.com/ncw/directio v1.0.5 h1:JSUBhdjEvVaJvOoyPAbcW0fnd0tvRXD76wEfZ1KcQz4= github.com/ncw/directio v1.0.5/go.mod h1:rX/pKEYkOXBGOggmcyJeJGloCkleSvphPx2eV3t6ROk= github.com/neelance/astrewrite v0.0.0-20160511093645-99348263ae86/go.mod h1:kHJEU3ofeGjhHklVoIGuVj85JJwZ6kWPaJwCIxgnFmo= @@ -1526,8 +1526,8 @@ github.com/vishvananda/netns v0.0.5 h1:DfiHV+j8bA32MFM7bfEunvT8IAqQ/NzSJHtcmW5zd github.com/vishvananda/netns v0.0.5/go.mod h1:SpkAiCQRtJ6TvvxPnOSyH3BMl6unz3xZlaprSwhNNJM= github.com/wagoodman/go-partybus v0.0.0-20230516145632-8ccac152c651 h1:jIVmlAFIqV3d+DOxazTR9v+zgj8+VYuQBzPgBZvWBHA= github.com/wagoodman/go-partybus v0.0.0-20230516145632-8ccac152c651/go.mod h1:b26F2tHLqaoRQf8DywqzVaV1MQ9yvjb0OMcNl7Nxu20= -github.com/wagoodman/go-progress v0.0.0-20230925121702-07e42b3cdba0 h1:0KGbf+0SMg+UFy4e1A/CPVvXn21f1qtWdeJwxZFoQG8= -github.com/wagoodman/go-progress v0.0.0-20230925121702-07e42b3cdba0/go.mod h1:jLXFoL31zFaHKAAyZUh+sxiTDFe1L1ZHrcK2T1itVKA= +github.com/wagoodman/go-progress v0.0.0-20260303201901-10176f79b2c0 h1:EHsPe0Q0ANoLOZff1dBLAyeWLTA4sbPTpGI+2zb0FnM= +github.com/wagoodman/go-progress v0.0.0-20260303201901-10176f79b2c0/go.mod h1:g/D9uEUFp5YLyciwCpVsSOZOm56hfv4rzGJod6MlqIM= github.com/weaveworks/procspy v0.0.0-20150706124340-cb970aa190c3 h1:UC4iN/yCDCObTBhKzo34/R2U6qptTPmqbzG6UiQVMUQ= github.com/weaveworks/procspy v0.0.0-20150706124340-cb970aa190c3/go.mod h1:cJTfuBcxkdbj8Mabk4PPdaf0AXv9TYEJmkFxKcWxYY4= github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM= @@ -2347,18 +2347,20 @@ k8s.io/kubelet v0.35.0 h1:8cgJHCBCKLYuuQ7/Pxb/qWbJfX1LXIw7790ce9xHq7c= k8s.io/kubelet v0.35.0/go.mod h1:ciRzAXn7C4z5iB7FhG1L2CGPPXLTVCABDlbXt/Zz8YA= k8s.io/utils v0.0.0-20260210185600-b8788abfbbc2 h1:AZYQSJemyQB5eRxqcPky+/7EdBj0xi3g0ZcxxJ7vbWU= k8s.io/utils v0.0.0-20260210185600-b8788abfbbc2/go.mod h1:xDxuJ0whA3d0I4mf/C4ppKHxXynQ+fxnkmQH0vTHnuk= -modernc.org/cc/v4 v4.26.2 h1:991HMkLjJzYBIfha6ECZdjrIYz2/1ayr+FL8GN+CNzM= -modernc.org/cc/v4 v4.26.2/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0= -modernc.org/ccgo/v4 v4.28.0 h1:rjznn6WWehKq7dG4JtLRKxb52Ecv8OUGah8+Z/SfpNU= -modernc.org/ccgo/v4 v4.28.0/go.mod h1:JygV3+9AV6SmPhDasu4JgquwU81XAKLd3OKTUDNOiKE= -modernc.org/fileutil v1.3.8 h1:qtzNm7ED75pd1C7WgAGcK4edm4fvhtBsEiI/0NQ54YM= -modernc.org/fileutil v1.3.8/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc= +modernc.org/cc/v4 v4.27.1 h1:9W30zRlYrefrDV2JE2O8VDtJ1yPGownxciz5rrbQZis= +modernc.org/cc/v4 v4.27.1/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0= +modernc.org/ccgo/v4 v4.30.1 h1:4r4U1J6Fhj98NKfSjnPUN7Ze2c6MnAdL0hWw6+LrJpc= +modernc.org/ccgo/v4 v4.30.1/go.mod h1:bIOeI1JL54Utlxn+LwrFyjCx2n2RDiYEaJVSrgdrRfM= +modernc.org/fileutil v1.3.40 h1:ZGMswMNc9JOCrcrakF1HrvmergNLAmxOPjizirpfqBA= +modernc.org/fileutil v1.3.40/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc= modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI= modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito= +modernc.org/gc/v3 v3.1.1 h1:k8T3gkXWY9sEiytKhcgyiZ2L0DTyCQ/nvX+LoCljoRE= +modernc.org/gc/v3 v3.1.1/go.mod h1:HFK/6AGESC7Ex+EZJhJ2Gni6cTaYpSMmU/cT9RmlfYY= modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks= modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI= -modernc.org/libc v1.66.3 h1:cfCbjTUcdsKyyZZfEUKfoHcP3S0Wkvz3jgSzByEWVCQ= -modernc.org/libc v1.66.3/go.mod h1:XD9zO8kt59cANKvHPXpx7yS2ELPheAey0vjIuZOhOU8= +modernc.org/libc v1.67.6 h1:eVOQvpModVLKOdT+LvBPjdQqfrZq+pC39BygcT+E7OI= +modernc.org/libc v1.67.6/go.mod h1:JAhxUVlolfYDErnwiqaLvUqc8nfb2r6S6slAgZOnaiE= modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU= modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg= modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI= @@ -2367,8 +2369,8 @@ modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8= modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns= modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w= modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE= -modernc.org/sqlite v1.38.2 h1:Aclu7+tgjgcQVShZqim41Bbw9Cho0y/7WzYptXqkEek= -modernc.org/sqlite v1.38.2/go.mod h1:cPTJYSlgg3Sfg046yBShXENNtPrWrDX8bsbAQBzgQ5E= +modernc.org/sqlite v1.46.1 h1:eFJ2ShBLIEnUWlLy12raN0Z1plqmFX9Qe3rjQTKt6sU= +modernc.org/sqlite v1.46.1/go.mod h1:CzbrU2lSB1DKUusvwGz7rqEKIq+NUd8GWuBBZDs9/nA= modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0= modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A= modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y= From 2cd98c33996c9bdba2348f59981cc14ec985418b Mon Sep 17 00:00:00 2001 From: Duck <70207455+entlein@users.noreply.github.com> Date: Mon, 27 Apr 2026 12:23:18 +0200 Subject: [PATCH 09/31] tests(component): rename to Related{Kind,Name,Namespace}MetadataKey (#31) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit kubescape/k8s-interface renamed KindMetadataKey → RelatedKindMetadataKey (and Name / Namespace variants) between v0.0.204 and v0.0.206. Our Test_28 (UserDefinedNetworkNeighborhood) and Test_30 (TamperedSigned Profiles) still referenced the old names, so with the v0.0.206 helpers pulled in by upstream go.mod the full component_test.go failed to compile. Unit tests pass with -short because they skip these full- cluster tests. 5 occurrences renamed. No semantic change. Co-authored-by: Entlein Co-authored-by: Claude Opus 4.7 (1M context) --- tests/component_test.go | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/tests/component_test.go b/tests/component_test.go index 1a8e436186..621839f228 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -2211,9 +2211,9 @@ func Test_28_UserDefinedNetworkNeighborhood(t *testing.T) { Labels: map[string]string{ helpersv1.ApiGroupMetadataKey: "apps", helpersv1.ApiVersionMetadataKey: "v1", - helpersv1.KindMetadataKey: "Deployment", - helpersv1.NameMetadataKey: "curl-28", - helpersv1.NamespaceMetadataKey: ns.Name, + helpersv1.RelatedKindMetadataKey: "Deployment", + helpersv1.RelatedNameMetadataKey: "curl-28", + helpersv1.RelatedNamespaceMetadataKey: ns.Name, }, }, Spec: v1beta1.NetworkNeighborhoodSpec{ @@ -2836,8 +2836,8 @@ func Test_30_TamperedSignedProfiles(t *testing.T) { helpersv1.CompletionMetadataKey: helpersv1.Full, }, Labels: map[string]string{ - helpersv1.KindMetadataKey: "Deployment", - helpersv1.NameMetadataKey: "tamper-test", + helpersv1.RelatedKindMetadataKey: "Deployment", + helpersv1.RelatedNameMetadataKey: "tamper-test", }, }, Spec: v1beta1.NetworkNeighborhoodSpec{ From aa2e3ff58e0acef35c086619ce7cb052daefb820 Mon Sep 17 00:00:00 2001 From: Duck <70207455+entlein@users.noreply.github.com> Date: Mon, 27 Apr 2026 13:29:30 +0200 Subject: [PATCH 10/31] Update benchmark.yaml --- .github/workflows/benchmark.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.github/workflows/benchmark.yaml b/.github/workflows/benchmark.yaml index cf262a25f4..17e85b1df6 100644 --- a/.github/workflows/benchmark.yaml +++ b/.github/workflows/benchmark.yaml @@ -30,7 +30,7 @@ concurrency: jobs: benchmark: - runs-on: ubuntu-large + runs-on: ubuntu-latest steps: - name: Checkout uses: actions/checkout@v4 From ce90f5f954221f9f2f58075b8c611b5c186a620b Mon Sep 17 00:00:00 2001 From: Duck <70207455+entlein@users.noreply.github.com> Date: Mon, 27 Apr 2026 14:56:41 +0200 Subject: [PATCH 11/31] ci(benchmark): query upstream releases for the baseline image (#33) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The fork has no GitHub releases, so 'gh api repos/k8sstormcenter/node-agent /releases/latest' returns 404 and the workflow aborts at 'Resolve before image'. The baseline image referenced in the next line is already the upstream registry (quay.io/kubescape/node-agent), so query upstream's releases endpoint to get a real tag — this also gives a meaningful 'us vs latest upstream release' comparison. Co-authored-by: Entlein --- .github/workflows/benchmark.yaml | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/.github/workflows/benchmark.yaml b/.github/workflows/benchmark.yaml index 17e85b1df6..12057cd17e 100644 --- a/.github/workflows/benchmark.yaml +++ b/.github/workflows/benchmark.yaml @@ -57,10 +57,13 @@ jobs: env: GH_TOKEN: ${{ github.token }} run: | + # Baseline = latest UPSTREAM release. Our fork doesn't tag releases, + # so querying ${{ github.repository }} gives 404. Comparing against + # upstream is also the meaningful baseline for performance work. if [[ -n "${{ inputs.before_image }}" ]]; then echo "BEFORE_IMAGE=${{ inputs.before_image }}" >> "$GITHUB_OUTPUT" else - LATEST_TAG=$(gh api repos/${{ github.repository }}/releases/latest --jq '.tag_name') + LATEST_TAG=$(gh api repos/kubescape/node-agent/releases/latest --jq '.tag_name') echo "BEFORE_IMAGE=quay.io/kubescape/node-agent:${LATEST_TAG}" >> "$GITHUB_OUTPUT" fi From 81c2f1f9e13781ff52c31e64c68e2312281d23ea Mon Sep 17 00:00:00 2001 From: Duck <70207455+entlein@users.noreply.github.com> Date: Wed, 29 Apr 2026 09:41:53 +0200 Subject: [PATCH 12/31] deps(storage): bump to fork fix/endpoint-wildcard-port-overbroaden (0e036602) (#34) Picks up k8sstormcenter/storage#21: fix(dynamicpathdetector): :0 wildcard port no longer contaminates unrelated concrete-port endpoints. Sibling branch on node-agent so the matrix CI can validate the fix end-to-end before either side merges. Co-authored-by: Entlein Co-authored-by: Claude Opus 4.7 (1M context) --- go.mod | 2 +- go.sum | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/go.mod b/go.mod index 28e2a0bbe0..5dea4d016c 100644 --- a/go.mod +++ b/go.mod @@ -507,4 +507,4 @@ replace github.com/inspektor-gadget/inspektor-gadget => github.com/matthyx/inspe replace github.com/cilium/ebpf => github.com/matthyx/ebpf v0.0.0-20260421101317-8a32d06def6c -replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260426191622-cdbf491b5bd8 +replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260429052903-0e0366026f05 diff --git a/go.sum b/go.sum index 1ff276b052..689cf6d6c5 100644 --- a/go.sum +++ b/go.sum @@ -981,8 +981,8 @@ github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHm github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= -github.com/k8sstormcenter/storage v0.0.240-0.20260426191622-cdbf491b5bd8 h1:T39tWgm8ur/a4Y3D7GJ1CLKIl9xMCSC1bBNPKQfKDCM= -github.com/k8sstormcenter/storage v0.0.240-0.20260426191622-cdbf491b5bd8/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= +github.com/k8sstormcenter/storage v0.0.240-0.20260429052903-0e0366026f05 h1:RCEcduxCntYAuo8BleZu84Kk//X0gvsGrutQtdcLMn0= +github.com/k8sstormcenter/storage v0.0.240-0.20260429052903-0e0366026f05/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953 h1:WdAeg/imY2JFPc/9CST4bZ80nNJbiBFCAdSZCSgrS5Y= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953/go.mod h1:6o+UrvuZWc4UTyBhQf0LGjW9Ld7qJxLz/OqvSOWWlEc= github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4= From f0d0f72af494385932d90e82b11b2ec332e72045 Mon Sep 17 00:00:00 2001 From: Duck <70207455+entlein@users.noreply.github.com> Date: Sat, 2 May 2026 19:18:31 +0200 Subject: [PATCH 13/31] merge upstream/main: replace AP+NN cache with unified ContainerProfileCache (#788) (#36) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Replace AP and NN cache with CP (#788) * feat: foundation for ContainerProfileCache unification (steps 1, 2, 5-early) Additive-only scaffolding for the upcoming migration from the two workload-keyed caches (applicationprofilecache + networkneighborhoodcache) to a single container-keyed ContainerProfileCache. No consumers are rewired yet; all new code is unused. - Storage client: GetContainerProfile(namespace, name) on ProfileClient interface + *Storage impl + mock. - ContainerProfileCache interface + stub impl (methods return zero values; filled in by step 3/4). - Prometheus metrics: nodeagent_user_profile_legacy_loads_total{kind,completeness} deprecation counter + reconciler SLO metrics (entries gauge, hit/miss counter, tick duration histogram, eviction counter) registered up front so later steps emit cleanly. Plan artifacts in .omc/plans/; approved by ralplan Planner/Architect/Critic consensus (v2, iteration 2). Co-Authored-By: Claude Opus 4.7 (1M context) * feat: ContainerProfileCacheImpl + projection + shared-pointer fast-path (steps 3, 3.5, 4) - CachedContainerProfile entry with Shared/RV/UserAP/UserNNRV fields - Option A+ fast-path: shared storage pointer when no user overlay - projection.go ports mergeContainers/mergeNetworkNeighbors from legacy caches - partial-profile detection with dedup'd WARN log + completeness metric label - Event-path delete with WithLock+ReleaseLock (Critic #2 lock-gap fix) - Unit tests T4 (projection) + T6 (callstack parity) + fast-path identity Step 5 (reconciler) and legacy deletion land in follow-ups. Plan: .omc/plans/containerprofile-cache-unification-consensus.md Co-Authored-By: Claude Opus 4.7 (1M context) * feat: ContainerProfileCache reconciler with evict + refresh (step 5) - tickLoop drives evict + refresh on one goroutine, refresh gated by atomic - reconcileOnce evicts entries whose pod is gone or container stopped - refreshAllEntries snapshots IDs then refreshes outside Range to avoid a SafeMap RLock/WLock deadlock (rebuildEntry calls Set) - isContainerRunning(pod, entry, id): containerID primary, (Name, PodUID) fallback for pre-running init containers with empty ContainerID - ctx.Err() honored inside Range callbacks for graceful shutdown - T8 end-to-end test: user-AP mutation -> cached projection reflects change Plan: .omc/plans/containerprofile-cache-unification-consensus.md Consensus deltas applied: #1 (isContainerRunning signature), #3 (ctx.Err), #4 (extend fast-skip to overlay RVs), #5 (T8 test), #7 (RPC-cost comment). Co-Authored-By: Claude Opus 4.7 (1M context) * feat: profilehelper CP->legacy-shape shims + ContainerProfileCache aggregator wiring (step 6a) Adds the ContainerProfileCache reader to the ObjectCache aggregator interface so profilehelper can read CP and synthesize the legacy ApplicationProfileContainer / NetworkNeighborhoodContainer shapes for callers that haven't migrated yet. - pkg/objectcache/objectcache_interface.go: add ContainerProfileCache() to aggregator interface + mock (both AP/NN stay for 6a-6c transit) - pkg/objectcache/v1/objectcache.go: add cp field, 5-arg NewObjectCache, ContainerProfileCache() accessor - pkg/objectcache/v1/mock.go: RuleObjectCacheMock implements CP surface + Get/SetContainerProfile test helpers, Start stub - pkg/rulemanager/profilehelper/profilehelper.go: - GetContainerProfile(objectCache, id) returns (*CP, syncChecksum, error) — the forward API - GetContainerApplicationProfile + GetContainerNetworkNeighborhood rewritten as ~30-LOC CP->legacy-shape shims (consensus delta #2). Marked deprecated; step 6c deletes them after CEL callers migrate. - cmd/main.go: construct ContainerProfileCache alongside APC+NNC, pass to NewObjectCache; mock-path uses ContainerProfileCacheMock - test call sites updated for 5-arg NewObjectCache Plan: .omc/plans/containerprofile-cache-unification-consensus.md Co-Authored-By: Claude Opus 4.7 (1M context) * refactor: migrate 20 CEL call sites to GetContainerProfile (step 6b) - applicationprofile/{capability,exec,http,open,syscall}.go: read fields directly off cp.Spec instead of the per-container AP shape - networkneighborhood/network.go: read Ingress/Egress/LabelSelector off cp.Spec directly - pkg/objectcache/v1/mock.go: extend RuleObjectCacheMock so SetApplicationProfile / SetNetworkNeighborhood also project into the unified ContainerProfile, and GetContainerProfile honours the shared container-ID registry (preserves "invalid container ID -> no profile" semantics for existing tests) - profilehelper CP->legacy shims remain in place; step 6c removes them Plan: .omc/plans/containerprofile-cache-unification-consensus.md Co-Authored-By: Claude Opus 4.7 (1M context) * refactor: delete profilehelper shims + migrate rule_manager + creator (step 6c) - pkg/rulemanager/profilehelper/profilehelper.go: delete GetContainerApplicationProfile, GetContainerNetworkNeighborhood, GetApplicationProfile, GetNetworkNeighborhood, GetContainerFromApplicationProfile, GetContainerFromNetworkNeighborhood — CP-direct API is the only surface now - pkg/rulemanager/rule_manager.go: - :202, :399 call profilehelper.GetContainerProfile instead of the shim - HasFinalApplicationProfile reads cp via ContainerProfileCache().GetContainerProfile; method name preserved (external API on RuleManagerInterface per plan v2 §2.4) - pkg/rulemanager/rulepolicy.go: Validate takes *v1beta1.ContainerProfile and reads cp.Spec.PolicyByRuleId - pkg/rulemanager/ruleadapters/creator.go: both AP + NN branches use ContainerProfileCache().GetContainerProfileState (unified state source) Plan: .omc/plans/containerprofile-cache-unification-consensus.md Co-Authored-By: Claude Opus 4.7 (1M context) * refactor: ObjectCache aggregator CP-only + collapse 2 callbacks to 1 (step 6d) - pkg/objectcache/objectcache_interface.go: drop ApplicationProfileCache() and NetworkNeighborhoodCache() methods — the aggregator is now {K8s, ContainerProfile, Dns} - pkg/objectcache/v1/objectcache.go: 3-arg NewObjectCache(k, cp, dc) - pkg/containerwatcher/v2/container_watcher_collection.go:63-64: two ContainerCallback subscriptions (APC + NNC) collapse to one (CPC) - cmd/main.go: both branches (runtime-detection + mock) construct only ContainerProfileCache + Dns; legacy APC/NNC wiring removed with startup log: "ContainerProfileCache active; legacy AP/NN caches removed" - test call sites updated for 3-arg NewObjectCache Legacy packages still physically present (imports retained where still referenced, e.g. callstackcache); step 8 deletes them entirely. Plan: .omc/plans/containerprofile-cache-unification-consensus.md Co-Authored-By: Claude Opus 4.7 (1M context) * refactor: delete legacy AP/NN cache packages + move callstackcache (step 8) - git rm -r pkg/objectcache/applicationprofilecache/ (766 LOC) - git rm -r pkg/objectcache/networkneighborhoodcache/ (758 LOC) - git rm pkg/objectcache/applicationprofilecache_interface.go - git rm pkg/objectcache/networkneighborhoodcache_interface.go - mv pkg/objectcache/applicationprofilecache/callstackcache/ -> pkg/objectcache/callstackcache/ (domain-agnostic, shared) - Update 4 importers: containerprofilecache_interface.go, v1/mock.go, containerprofilecache.go, reconciler.go - RuleObjectCacheMock drops ApplicationProfileCache()/NetworkNeighborhoodCache() accessor methods; SetApplicationProfile/SetNetworkNeighborhood remain as test helpers that project into the unified CP - projection.go comments kept as historical source pointers — git history preserves the originals Plan: .omc/plans/containerprofile-cache-unification-consensus.md Co-Authored-By: Claude Opus 4.7 (1M context) * test: add T2 init-eviction, T5 packages-deleted, T7 lock-stress (step 9 partial) - tests/containerprofilecache/packages_deleted_test.go: go/packages dep-graph assertion that legacy AP/NN paths are absent - tests/containerprofilecache/lock_stress_test.go: 100-goroutine interleaved seed/read for same container IDs, 5s budget, race-safe - tests/containerprofilecache/init_eviction_test.go: T2a (event-path evict) + T2b (reconciler-path evict for missed RemoveContainer) - tests/containerprofilecache/helpers_test.go: shared test builders - pkg/objectcache/containerprofilecache: export ReconcileOnce and SeedEntryForTest as out-of-package test hooks - Makefile: check-legacy-packages target T1 (golden-alert parity) and T3 (memory benchmark) are release-checklist items per plan v2 §2.7 — the pre-migration baselines those tests require can no longer be captured from this branch. Plan: .omc/plans/containerprofile-cache-unification-consensus.md Co-Authored-By: Claude Opus 4.7 (1M context) * fix: address Phase 4 review P1 findings 1. Drop ReleaseLock on delete paths (containerprofilecache.go deleteContainer, reconciler.go reconcileOnce). Security review flagged a race where the deleted mutex could be orphaned while a concurrent GetLock creates a new one, breaking mutual exclusion for the same container ID. Trade-off: bounded memory growth of stale lock entries, proportional to container churn — acceptable for a node-agent lifetime. 2. Extract emitOverlayMetrics helper (metrics.go) to de-duplicate the ~20-line overlay metric/deprecation-warn block between buildEntry (addContainer path) and rebuildEntry (refresh path). Keeps the two in lockstep — code review flagged silent drift risk. Not addressed in this commit (plan-accepted tradeoffs, follow-up work): - Shared-pointer read-only invariant is convention-enforced, not type- enforced (plan v2 §2.3 step 7, ADR consequences). Retaining as-is; downstream consumers must not mutate. - Storage RPC context propagation (requires storage.ProfileClient interface change, out of scope for this migration). Plan: .omc/plans/containerprofile-cache-unification-consensus.md Co-Authored-By: Claude Opus 4.7 (1M context) * fix: retry pending ContainerProfile GETs when CP appears after container-start Component tests on PR #788 regressed with "All alerts: []" and 54+ "container X not found in container-profile cache" log entries. Root cause: addContainer did a one-shot GetContainerProfile at EventTypeAddContainer time and bailed on 404. But the CP is created asynchronously by containerprofilemanager ~60s AFTER container-start, so the one-shot GET almost always missed; the cache entry was never created; rule evaluation short-circuited as "no profile". Legacy caches hid this via a periodic ListProfiles scan that picked up late-arriving profiles on the next tick. The point-lookup model dropped that scan. This commit adds an equivalent: a pending-container retry path in the reconciler. Changes: - CachedContainerProfile unchanged; new pendingContainer struct captures (container, sharedData, cpName) needed to retry the initial GET. - ContainerProfileCacheImpl.pending SafeMap records containerIDs waiting for their CP to land in storage. - addContainer extracts the populate/GET into tryPopulateEntry. On miss (err or nil CP) it records a pending entry; the per-container goroutine exits. No more waiting 10 min inside addContainerWithTimeout. - reconciler.retryPendingEntries iterates pending under per-container locks, re-issues the GET, and promotes via tryPopulateEntry on success. - reconcileOnce gains a pending GC pass: containers whose pod is gone or whose status is not Running get dropped from pending so we don't retry forever on terminated containers. - deleteContainer also clears from pending on EventTypeRemoveContainer. - metrics: cache_entries gauge gains a "pending" kind; reconciler eviction counter gets a "pending_pod_stopped" reason. Tests: - TestRetryPendingEntries_CPCreatedAfterAdd: 404 on add -> pending; CP arrives in storage -> one tick promotes; exactly 2 GetCP calls. - TestRetryPendingEntries_PodGoneIsGCed: pending entry dropped when its pod is no longer present in k8s cache. Full findings and resume doc at .omc/plans/containerprofile-cache-component-test-findings.md Follow-up plan updated at .omc/plans/containerprofile-cache-followups.md Co-Authored-By: Claude Opus 4.7 (1M context) * fix: cache correctness — right CP slug, partial-on-restart, overlay refs, resurrection guard PR #788 component tests continued failing after the pending-retry fix. Deep investigation uncovered a fundamental slug misuse and three reviewer- reported correctness gaps. All fixed here. ### Primary bug: wrong slug function plan v2 §2.3 asserted that GetOneTimeSlug(false) was deterministic. It is NOT — implementation at k8s-interface v0.0.206: func (id *InstanceID) GetOneTimeSlug(noContainer bool) (string, error) { u := uuid.New() hexSuffix := hex.EncodeToString(u[:]) ... } So containerprofilemanager.saveContainerProfile writes a *time-series* CP per tick with a fresh UUID suffix, and the storage-side ContainerProfileProcessor.consolidateKeyTimeSeries writes the consolidated profile at the STABLE slug (GetSlug(false), no UUID). The cache was querying for CPs at GetOneTimeSlug(false), so every GET 404'd forever — even with the pending-retry in place. 13 component tests failed with "All alerts: []" and 38+ "container X not found in container-profile cache" log entries. Switched addContainer to GetSlug(false). The refresh path inherits the corrected name via entry.CPName. ### Reviewer #1: resurrection during refresh refreshAllEntries snapshots entries without a lock. Between snapshot and per-entry lock acquisition, deleteContainer or reconcile-evict may have removed the entry. Previously, rebuildEntry's c.entries.Set(id, newEntry) would resurrect the dead container. Added a load-under-lock guard at the top of refreshOneEntry. ### Reviewer #2: overlay handling regressions (two parts) (a) tryPopulateEntry returned "pending" on base-CP 404 BEFORE trying user-AP/NN. Containers with only a user-defined profile (no base CP yet) got no entry. Restructured: fetch base CP and user-AP/NN independently; populate if ANY source is available; synthesize an empty base CP when only the overlay exists so projection has something to merge into. (b) UserAPRef / UserNNRef were only recorded on successful fetch. A transient 404 on add would permanently drop the overlay intent — the refresh path had nothing to re-fetch. Now, when the label is set, the refs are always recorded, using the label's name and the container's namespace. Refresh retries the fetch each tick. ### Reviewer #3: partial profiles reused across container restart tryPopulateEntry blindly used whatever CP existed at the stable slug, including Partial completions from the previous container incarnation. Legacy caches explicitly deleted Partial profiles on non-PreRunning restart so rule evaluation fell through to "no profile" until Full arrived. Now: if CP.completion == Partial && !sharedData.PreRunningContainer, we treat the CP as absent → stay pending → retry each tick. When the CP becomes Full (or the container stops), the pending state resolves. The inverse is preserved: PreRunningContainer (agent-restart scenario) accepts the Partial CP as-is so Test_19's "alert on partial profile" semantics still work. ### Tests Five new unit tests, all race-clean: - TestPartialCP_NonPreRunning_StaysPending - TestPartialCP_PreRunning_Accepted - TestOverlayLabel_TransientFetchFailure_RefsRetained - TestRefreshDoesNotResurrectDeletedEntry - TestUserDefinedProfileOnly_NoBaseCP Co-Authored-By: Claude Opus 4.7 (1M context) * fix: read workload-level AP/NN as primary data source The storage server's consolidated ContainerProfile is not exposed via the public k8s API — ContainerProfiles().Get(stableName) returns 404 even after consolidation runs. Only time-series CPs (named -) and the server-aggregated ApplicationProfile / NetworkNeighborhood CRs at the workload-name are queryable. The component tests' WaitForApplicationProfileCompletion waits for the workload-level AP/NN completion — that's what actually exists. The legacy caches read these directly; we do the same now while the server-side consolidated-CP plumbing is completed. Changes: - addContainer computes both cpName (per-container, forward-compat) and workloadName (per-workload, where AP/NN live) via GetSlug(false) and GetSlug(true) respectively. - tryPopulateEntry fetches consolidated CP (kept for forward-compat), workload AP, and workload NN. Treats the workload AP/NN as the primary data source when the consolidated CP isn't available. - projection pre-merges workloadAP + workloadNN onto the base (synthesized when CP is 404), then buildEntry applies user-overlay AP/NN on top. - Partial-on-restart gate extended to cover workload AP/NN too — non PreRunning containers ignore partial workload profiles until they become Full, mirroring legacy deletion-on-restart semantics. - pendingContainer gains workloadName so retries re-fetch the right CRs. - fakeProfileClient gains overlayOnly field so tests can scope AP/NN returns to the overlay name; existing TestOverlayPath_DeepCopies updated accordingly. Forward-compat: once storage publishes a queryable consolidated CP at cpName, its fetch becomes primary and the workload AP/NN path becomes a fallback. No API changes are required to make that transition — just drop the workload-level fetches. Co-Authored-By: Claude Opus 4.7 (1M context) * debug: add tick-loop start log + change-detection log in reconciler * fix: remove overly-aggressive pending GC that dropped entries before retry CI run 24781030436 (commit ce329196) proved the reconciler IS ticking with retryPendingEntries running, but the pending-GC pass in reconcileOnce was dropping every pending entry on the first tick (pending_before=4 → pending_after=0 at the FIRST tick, before retryPendingEntries could run). Root cause: the GC pass asked k8sObjectCache.GetPod(ns, pod) and also checked isContainerRunning. On a busy node, the k8s pod cache and ContainerStatuses lag the containerwatcher Add event by tens of seconds. So "pod not found" or "container not yet Running" routinely returned true for a container that had just been registered, causing GC to remove the pending entry immediately. Retries then ran against an empty pending map → no promotions → alerts fired without profile → test failure. Change: remove the pending GC entirely. Cleanup for terminated containers flows through deleteContainer (EventTypeRemoveContainer) which clears both entries and pending under the per-container lock. Memory growth is bounded by the node's container churn (containers that never got a profile during their lifetime). Test updated: TestRetryPendingEntries_PodGoneIsGCed replaced by TestPendingEntriesAreNotGCedBeforeRetry which asserts the new semantics. Co-Authored-By: Claude Opus 4.7 (1M context) * fix: merge user-managed AP/NN and refresh workload-level sources Two component-test regressions in PR #788: Fix A (Test_12 / Test_13): the cache now reads the user-managed ApplicationProfile and NetworkNeighborhood published at "ug-" and projects them onto the base profile as a dedicated ladder pass. Legacy caches did this via the `kubescape.io/managed-by: User` annotation in handleUserManagedProfile; we read them directly by their well-known name. Fix B (Test_17 / Test_19): the reconciler refresh path re-fetches the workload-level AP/NN (and user-managed / label-referenced overlays) on every tick, not just the consolidated CP. This propagates the Status= "ready" -> "completed" transition into the cached ProfileState, which flips fail_on_profile from false to true at rule-eval time. CachedContainerProfile gained WorkloadName plus WorkloadAPRV / WorkloadNNRV / UserManagedAPRV / UserManagedNNRV fields so the refresh can fast-skip when every source's RV matches what's cached. refreshOneEntry's rebuild now runs the same projection ladder as tryPopulateEntry: base CP (or synthesized) → workload AP+NN → user-managed (ug-) AP+NN → label-referenced user AP+NN. Also: - Tick-loop log only fires when entries OR pending count actually moved (previously fired whenever pending_before > 0, producing per-tick noise while a stuck-pending entry waited for profile data). - fakeProfileClient in tests returns userManagedAP/userManagedNN when the requested name starts with "ug-". - New tests: TestWorkloadAPMerged_AndRefreshUpdatesStatus (Fix B happy-path) and TestUserManagedProfileMerged (Fix A happy-path). Co-Authored-By: Claude Opus 4.7 (1M context) * fix: reconcileOnce no longer evicts on pod-cache lag, only on Terminated CI run 24783250693 (commit 32a76c03) showed reconcileOnce evicting live entries every tick: "entries_before:10, entries_after:0" within 5 seconds of the agent starting. Same class of bug as the pending-GC fix (c45803f5): the k8s pod cache lags ContainerCallback Add events by tens of seconds, and evicting on "GetPod returns nil OR !isContainerRunning" churned every entry before any rules could evaluate. Change reconcileOnce eviction gate: - If pod is missing from k8s cache: DO NOT evict. Cache lag is transient; deleteContainer handles real-world cleanup via EventTypeRemoveContainer. - If pod present and container has clearly Terminated: evict (preserves init-container eviction for Test_02 and T2 acceptance). - If pod present and container in Waiting state: retain (new container creation, init-container pre-run both legitimately pass through Waiting). New helper isContainerTerminated mirrors isContainerRunning but gates on State.Terminated only; "not found in any status" treated as terminated. Tests: - TestReconcilerEvictsWhenPodMissing → TestReconcilerKeepsEntryWhenPodMissing - New TestReconcilerEvictsTerminatedContainer - New TestReconcilerKeepsWaitingContainer Co-Authored-By: Claude Opus 4.7 (1M context) * refactor: drop workload-level AP/NN fetch; CP-direct reading is authoritative The workload-level AP/NN fetch added in d27be013 was a workaround for the eviction/GC bugs (fixed in c45803f5 and d9ae0ac6), not an architectural need. The consolidated ContainerProfile IS queryable at the GetSlug(false) name once storage aggregation runs; the cache simply needs to wait on the pending-retry path. This reverts the workload-AP/NN read while keeping: - consolidated CP as the single base-profile source - user-managed AP/NN at "ug-" (merged on top) — still needed because user-managed profiles are authored independently and are not consolidated into the CP server-side - user-defined overlay via pod UserDefinedProfileMetadataKey label - eviction fix (d9ae0ac6), GC fix (c45803f5), resurrection guard Removed: - workload-AP/NN fetch in tryPopulateEntry and refreshOneEntry - WorkloadAPRV / WorkloadNNRV fields on CachedContainerProfile and the corresponding rebuildEntryFromSources ladder pass - Partial-on-restart gate for workload AP/NN (only applies to CP now) - Synth-CP annotation fallback chain (simplified to Completed/Full) Tests: - TestWorkloadAPMerged_AndRefreshUpdatesStatus → TestRefreshUpdatesCPStatus (CP now the source; RV transition propagates Status) - TestUserManagedProfileMerged rewired to use a real base CP + ug- overlay instead of workloadAP + ug- overlay This matches the migration plan's original intent: CP-direct, AP/NN only as user overlays. Co-Authored-By: Claude Opus 4.7 (1M context) * fix: synthetic entry CPName override, PodUID backfill, phase-labeled reconciler histogram Three review findings from the post-green audit. ### 1 (High) — synthetic entry stored the wrong CPName When tryPopulateEntry synthesized a CP (consolidated CP still 404), the synthetic name was workloadName or overlayName, and buildEntry persisted entry.CPName = cp.Name (i.e. the synthetic name). refreshOneEntry then queried the synthetic name instead of the real GetSlug(false) name; with the stored RV also empty, the fast-skip's "absent matches empty" branch kept the synthetic entry forever and the real consolidated CP could never replace it. Fix: after buildEntry, override entry.CPName = cpName (the real GetSlug(false) result passed into tryPopulateEntry). ### 2 (Medium) — PodUID never backfilled buildEntry only sets PodUID when the pod is already in k8sObjectCache at add time. On busy nodes the pod cache lags, so addContainer often runs before the pod lands and PodUID stays "". isContainerTerminated's empty-ContainerID fallback matches against (ContainerName, PodUID); when PodUID == "" and the status also has empty UID, the loop falls through and returns true (treat as terminated) — evicting a still-live init container. rebuildEntryFromSources copied prev.PodUID unchanged, so the error never healed. Fix: in rebuildEntryFromSources, if prev.PodUID is empty AND the pod is now in the k8s cache, use the fresh UID. ### 3 (Low) — reconciler duration histogram mixed two phases tickLoop (evict) and refreshAllEntries (refresh) both emitted ReportContainerProfileReconcilerDuration into the same plain Histogram, so nodeagent_containerprofile_reconciler_duration_seconds was a blend of two very different workloads. Plan v2 §2.9 had specified a HistogramVec with a "phase" label from the start. Fix: MetricsManager.ReportContainerProfileReconcilerDuration(phase, d). Prometheus implementation becomes a HistogramVec with phase label. tickLoop emits phase="evict", refreshAllEntries emits phase="refresh". MetricsMock/MetricsNoop signatures updated. Co-Authored-By: Claude Opus 4.7 (1M context) * fix: address all CodeRabbit review comments on PR #788 - ContainerProfileCacheMock.GetContainerProfileState returns synthetic error state instead of nil, matching the real impl's contract - Remove IgnoreContainer check on EventTypeRemoveContainer to prevent stale entries when pod labels change after Add - Deep-copy userAP/userNN in mergeApplicationProfile and mergeNetworkNeighborhood to eliminate aliasing of nested slices (Execs[i].Args, Opens[i].Flags, MatchExpressions[i].Values, etc.) into the cached ContainerProfile - Fix Shared=true bug: buildEntry now takes userManagedApplied bool; fast-path only sets Shared=true when no overlay was applied at all, matching rebuildEntryFromSources logic in reconciler.go - isContainerTerminated returns false when all status slices are empty (kubelet lag guard for brand-new pods) - Fix misplaced doc comment above GetContainerProfile in storage layer - Remove unused (*stubStorage).setCP test helper - Lock stress test evict path now uses ContainerCallback(Remove) to exercise deleteContainer and per-container locking - RuleObjectCacheMock stores per-container profiles in cpByContainerName; GetContainerProfile resolves via InstanceID.GetContainerName(); GetContainerProfileState returns synthetic error state Co-Authored-By: Claude Sonnet 4.6 * feat: thread context.Context through ProfileClient and add per-call RPC budget All five ProfileClient methods now accept ctx as their first argument so callers can enforce cancellation and deadline propagation. Each storage RPC in the reconciler is wrapped via refreshRPC(ctx, ...) which applies a configurable per-call timeout (config.StorageRPCBudget, default 5 s) on top of the parent context, preventing a slow API server from stalling an entire reconciler burst. Tests cover the fast-skip, rebuild, and context-cancellation mid-RPC paths. Co-Authored-By: Claude Sonnet 4.6 * test: shared-pointer race-fuzz test + WarmContainerLocksForTest helper Add TestSharedPointerReadersDoNotCorruptCache: 50 concurrent readers traverse the returned *ContainerProfile slices while a writer goroutine alternately calls RefreshAllEntriesForTest + SeedEntryForTest to keep entry rebuilds active. Runs for 500ms under -race, proving the shared- pointer fast-path never produces a concurrent read/write pair. Also add TestSharedPointerFastPathPreservesPointerIdentity: after a refresh against a storage object with a newer RV, the new entry's Profile pointer IS the storage object (Shared=true, no DeepCopy), which keeps the T3 memory budget intact. Fix the pre-existing goradd/maps SafeMap initialisation race in TestLockStressAddEvictInterleaved by pre-warming containerLocks via the new WarmContainerLocksForTest helper (the previous pre-warm via SeedEntryForTest only covered the entries SafeMap, not containerLocks). Co-Authored-By: Claude Sonnet 4.6 * docs: document SetApplicationProfile / SetNetworkNeighborhood field partition in mock Add a block comment above RuleObjectCacheMock spelling out the non-overlapping cp.Spec field partition between the two setters and the first-container-wins rule for r.cp. Without this, future callers risk aliasing NN fields into an AP-only profile or vice-versa. Co-Authored-By: Claude Sonnet 4.6 * refactor: T8 integration mirror, mock setter contract doc, SeedEntryWithOverlayForTest Add SeedEntryWithOverlayForTest helper so out-of-package integration tests can set UserAPRef / UserNNRef (which use the internal namespacedName type) without requiring the type to be exported. Mirror TestT8_EndToEndRefreshUpdatesProjection at tests/containerprofilecache/ using only the public + test-helper API: seeds an entry with a stale UserAPRV, mutates storage to apV2 (RV=51), asserts RefreshAllEntriesForTest rebuilds the projection with the new execs and drops the stale ones. Add top-of-file block comment to RuleObjectCacheMock documenting the non- overlapping AP-fields / NN-fields partition between SetApplicationProfile and SetNetworkNeighborhood and the first-container-wins rule for r.cp. Co-Authored-By: Claude Sonnet 4.6 * fix: address Phase 4 code-review findings - reconciler.go: simplify dead-code cpErr/rpcErr guard (refreshRPC returns exactly cpErr; the rpcErr != nil && cpErr == nil branch could never fire) - reconciler_test.go: make blockingProfileClient.blocked a buffered chan(1) with a blocking send so the signal is never silently dropped; bump rpcBudget to 100ms and timeout to 2s to reduce flakiness on loaded CI - containerprofilecache.go: extract defaultStorageRPCBudget const alongside defaultReconcileInterval for discoverability - shared_pointer_race_test.go: fix gofmt const-block alignment Co-Authored-By: Claude Sonnet 4.6 * fix: preserve cached entry when overlay AP/NN fetch fails transiently Before this fix, a refreshRPC timeout on any overlay GET (user-managed ug- AP/NN or user-defined label-referenced AP/NN) left the overlay variable nil with the error silently discarded. The RV comparison then saw rvOf(nil)="" != cached RV (e.g. "50"), treated it as a removal, and rebuilt the entry without the overlay — temporarily stripping user-managed/user-defined profile data from the cache and altering alerting until the next successful tick. Fix: capture each overlay's fetch error and, when it is non-nil and the entry already has a non-empty cached RV for that overlay, return early and keep the existing entry unchanged. Legitimate deletions (nil with err==nil) still propagate correctly. Mirrors the existing CP error- preservation logic at refreshOneEntry:272-288. Add TestRefreshPreservesEntryOnTransientOverlayError covering all four overlay fetch paths (user-managed AP, user-managed NN, user-defined AP, user-defined NN) via a new overlayErrorClient stub. Co-Authored-By: Claude Sonnet 4.6 * fix: address CodeRabbit review issues on PR #788 - Rename 5 CP cache metrics from nodeagent_* to node_agent_* to match the existing metric namespace convention used across node-agent. - Route all 5 storage GETs in tryPopulateEntry through refreshRPC so they respect the per-call SLO (default 5s); prevents a hung GET from blocking the entire reconciler tick loop when called from retryPendingEntries. - Add WarmPendingForTest helper to pre-initialise the pending SafeMap before concurrent test phases, preventing the goradd/maps nil-check-before-lock initialisation race. - Pre-warm pending SafeMap in TestLockStressAddEvictInterleaved and poll for async deleteContainer goroutines to drain before asserting goroutine count. Co-Authored-By: Claude Sonnet 4.6 * fix: distinct RNG seed per stress-test worker Pass worker index into each goroutine closure and mix it into the rand.NewSource seed (time.Now().UnixNano() + int64(worker)), so that 100 concurrently-launched goroutines don't all receive the same nanosecond timestamp and end up with identical add/evict sequences. Co-Authored-By: Claude Sonnet 4.6 * refactor: move test helpers out of production source into testing.go The six *ForTest / ReconcileOnce helpers were previously mixed into containerprofilecache.go alongside production logic. Move them to a dedicated testing.go file in the same package. export_test.go is the idiomatic alternative but is compiled only when running tests in the same directory; test packages in other directories (tests/containerprofilecache/) import the non-test version of the package and never see _test.go contents. A plain testing.go is the correct pattern here — it signals "test support" by name and groups all scaffolding in one place, while remaining importable by any test binary. Co-Authored-By: Claude Sonnet 4.6 * refactor: move integration tests into package dir; use export_test.go export_test.go (package containerprofilecache) is only compiled during `go test` so test helpers never enter the production binary. This only works when callers are in the same directory; the prior layout put tests in tests/containerprofilecache/ (a separate package), forcing helpers into a plain testing.go that shipped in the binary. Moving the six test files into pkg/objectcache/containerprofilecache/ as package containerprofilecache_test fixes this correctly: - export_test.go replaces testing.go (test-binary-only) - package declaration: containerprofilecache_integration → containerprofilecache_test - packages_deleted_test.go Dir path: ../.. → ../../.. (module root) - tests/containerprofilecache/ directory removed Co-Authored-By: Claude Sonnet 4.6 * fix: nil out overlay pointers when k8s client returns zero-value on 404 The Kubernetes generated client (gentype.Client.Get) pre-allocates a zero-value struct before the HTTP call and returns it as the result even on error (e.g. 404 not-found). In refreshOneEntry, the four overlay fetch paths (userManagedAP, userManagedNN, userAP, userNN) guarded only the "transient error with cached RV → keep old entry" branch; the "first-time 404, no cached RV" branch fell through with a non-nil empty-ObjectMeta struct still in the pointer, which reached rebuildEntryFromSources → emitOverlayMetrics and logged spurious "user-authored legacy profile merged" warnings with empty namespace/name/resourceVersion fields. Add an explicit nil-out after each non-returning error branch, mirroring the pattern already used in tryPopulateEntry. Co-Authored-By: Claude Sonnet 4.6 --------- Signed-off-by: Matthias Bertschy * feat: extract client CA file from kubelet config YAML and enhance service file handling (#791) Signed-off-by: Matthias Bertschy * add learning period label to TS CPs (#797) Signed-off-by: Matthias Bertschy * perf: switch to kubescape/syft v1.32.0-ks.2 + disable file catalogers (#798) * perf: disable file-digest/metadata/executable catalogers These three catalogers iterate every file in the scan tree and dominate transient allocation, but their outputs are not consumed by the OOM-relevant SBOM path. Disabling them saves ~200 MB peak RSS on gitlab-ee (main) and stacks with upstream selective-indexing + binary-prefilter improvements to ~1.12 GB total (vs 1.62 GB baseline, fits 1.5 GB cgroup). Signed-off-by: Ben * deps: switch to kubescape/syft v1.32.0-ks.2 for memory reduction Routes anchore/syft imports to the kubescape fork via replace directive. The fork carries selective indexing + binary-cataloger pre-filtering on top of v1.32.0; combined with the file-cataloger disable in the parent commit, this reduces gitlab-ee scan peak RSS from 1,621 MB to 1,123 MB. Refs: NAUT-1283 Signed-off-by: Ben * fix: check dep.Replace for actual fork version; add cataloger removals to sidecar - packageVersion() now returns dep.Replace.Version when present so the fork tag (v1.32.0-ks.2) propagates to runtime metadata and version-gating logic - pkg/sbomscanner/v1/server.go: add the same WithCatalogerSelection/WithRemovals as sbom_manager.go so both SBOM paths drop file-digest/metadata/executable catalogers and stay in consistent memory behaviour Signed-off-by: Ben * fix: keep syft tool version at required version Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> --------- Signed-off-by: Ben Co-authored-by: Matthias Bertschy Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> --------- Signed-off-by: Matthias Bertschy Signed-off-by: Ben Co-authored-by: Matthias Bertschy Co-authored-by: Ben Hirschberg <59160382+slashben@users.noreply.github.com> Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com> Co-authored-by: Entlein --- Makefile | 4 + cmd/main.go | 18 +- go.mod | 4 +- go.sum | 4 +- pkg/config/config.go | 1 + pkg/containerprofilemanager/v1/lifecycle.go | 1 + .../v2/container_watcher_collection.go | 3 +- pkg/hostsensormanager/sensor_kubelet.go | 49 +- .../metrics_manager_interface.go | 5 + pkg/metricsmanager/metrics_manager_mock.go | 7 +- pkg/metricsmanager/metrics_manager_noop.go | 5 + pkg/metricsmanager/prometheus/prometheus.go | 59 + .../applicationprofilecache.go | 908 ------------- .../applicationprofilecache_test.go | 103 -- .../applicationprofilecache_interface.go | 34 - .../callstackcache/callstackcache.go | 0 .../callstackcache/callstackcache_test.go | 0 .../containerprofilecache.go | 617 +++++++++ .../containerprofilecache_test.go | 331 +++++ .../containerprofilecache/export_test.go | 50 + .../init_eviction_test.go | 154 +++ .../integration_helpers_test.go | 143 ++ .../containerprofilecache/lock_stress_test.go | 200 +++ .../containerprofilecache/metrics.go | 66 + .../packages_deleted_test.go | 73 + .../containerprofilecache/projection.go | 339 +++++ .../containerprofilecache/projection_test.go | 222 +++ .../containerprofilecache/reconciler.go | 565 ++++++++ .../containerprofilecache/reconciler_test.go | 1199 +++++++++++++++++ .../shared_pointer_race_test.go | 210 +++ .../t8_overlay_refresh_test.go | 110 ++ .../containerprofilecache_interface.go | 41 + .../networkneighborhoodcache.go | 949 ------------- .../networkneighborhoodcache_test.go | 101 -- .../networkneighborhoodcache_interface.go | 28 - pkg/objectcache/objectcache_interface.go | 10 +- pkg/objectcache/shared_container_data.go | 45 +- pkg/objectcache/shared_container_data_test.go | 36 + pkg/objectcache/v1/mock.go | 129 +- pkg/objectcache/v1/objectcache.go | 15 +- pkg/objectcache/v1/objectcache_test.go | 16 +- .../applicationprofile/capability.go | 4 +- .../cel/libraries/applicationprofile/exec.go | 8 +- .../cel/libraries/applicationprofile/http.go | 24 +- .../cel/libraries/applicationprofile/open.go | 16 +- .../libraries/applicationprofile/syscall.go | 4 +- pkg/rulemanager/cel/libraries/k8s/k8s_test.go | 4 +- .../libraries/networkneighborhood/network.go | 24 +- .../profilehelper/profilehelper.go | 98 +- pkg/rulemanager/rule_manager.go | 12 +- pkg/rulemanager/ruleadapters/creator.go | 4 +- pkg/rulemanager/rulepolicy.go | 6 +- pkg/sbommanager/v1/sbom_manager.go | 8 + pkg/sbomscanner/v1/server.go | 8 + pkg/storage/storage_interface.go | 11 +- pkg/storage/storage_mock.go | 19 +- pkg/storage/v1/applicationprofile.go | 8 +- pkg/storage/v1/containerprofile.go | 8 +- pkg/storage/v1/networkneighborhood.go | 8 +- 59 files changed, 4772 insertions(+), 2356 deletions(-) delete mode 100644 pkg/objectcache/applicationprofilecache/applicationprofilecache.go delete mode 100644 pkg/objectcache/applicationprofilecache/applicationprofilecache_test.go delete mode 100644 pkg/objectcache/applicationprofilecache_interface.go rename pkg/objectcache/{applicationprofilecache => }/callstackcache/callstackcache.go (100%) rename pkg/objectcache/{applicationprofilecache => }/callstackcache/callstackcache_test.go (100%) create mode 100644 pkg/objectcache/containerprofilecache/containerprofilecache.go create mode 100644 pkg/objectcache/containerprofilecache/containerprofilecache_test.go create mode 100644 pkg/objectcache/containerprofilecache/export_test.go create mode 100644 pkg/objectcache/containerprofilecache/init_eviction_test.go create mode 100644 pkg/objectcache/containerprofilecache/integration_helpers_test.go create mode 100644 pkg/objectcache/containerprofilecache/lock_stress_test.go create mode 100644 pkg/objectcache/containerprofilecache/metrics.go create mode 100644 pkg/objectcache/containerprofilecache/packages_deleted_test.go create mode 100644 pkg/objectcache/containerprofilecache/projection.go create mode 100644 pkg/objectcache/containerprofilecache/projection_test.go create mode 100644 pkg/objectcache/containerprofilecache/reconciler.go create mode 100644 pkg/objectcache/containerprofilecache/reconciler_test.go create mode 100644 pkg/objectcache/containerprofilecache/shared_pointer_race_test.go create mode 100644 pkg/objectcache/containerprofilecache/t8_overlay_refresh_test.go create mode 100644 pkg/objectcache/containerprofilecache_interface.go delete mode 100644 pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go delete mode 100644 pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache_test.go delete mode 100644 pkg/objectcache/networkneighborhoodcache_interface.go diff --git a/Makefile b/Makefile index b9687e802f..c22b9b2aa9 100644 --- a/Makefile +++ b/Makefile @@ -11,6 +11,10 @@ TAG?=test binary: CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o $(BINARY_NAME) ./cmd/main.go +.PHONY: check-legacy-packages +check-legacy-packages: + go test ./tests/containerprofilecache -run TestLegacyPackagesDeleted + docker-build-only: docker buildx build --platform linux/amd64 -t $(IMAGE):$(TAG) -f $(DOCKERFILE_PATH) --load . diff --git a/cmd/main.go b/cmd/main.go index 75b79678fd..6fcaaca422 100644 --- a/cmd/main.go +++ b/cmd/main.go @@ -45,10 +45,9 @@ import ( "github.com/kubescape/node-agent/pkg/nodeprofilemanager" nodeprofilemanagerv1 "github.com/kubescape/node-agent/pkg/nodeprofilemanager/v1" "github.com/kubescape/node-agent/pkg/objectcache" - "github.com/kubescape/node-agent/pkg/objectcache/applicationprofilecache" + "github.com/kubescape/node-agent/pkg/objectcache/containerprofilecache" "github.com/kubescape/node-agent/pkg/objectcache/dnscache" "github.com/kubescape/node-agent/pkg/objectcache/k8scache" - "github.com/kubescape/node-agent/pkg/objectcache/networkneighborhoodcache" objectcachev1 "github.com/kubescape/node-agent/pkg/objectcache/v1" "github.com/kubescape/node-agent/pkg/processtree" containerprocesstree "github.com/kubescape/node-agent/pkg/processtree/container" @@ -297,16 +296,14 @@ func main() { ruleBindingNotify = make(chan rulebinding.RuleBindingNotify, 100) ruleBindingCache.AddNotifier(&ruleBindingNotify) - apc := applicationprofilecache.NewApplicationProfileCache(cfg, storageClient, k8sObjectCache, exporter) - apc.Start(ctx) - - nnc := networkneighborhoodcache.NewNetworkNeighborhoodCache(cfg, storageClient, k8sObjectCache, exporter) - nnc.Start(ctx) + cpc := containerprofilecache.NewContainerProfileCache(cfg, storageClient, k8sObjectCache, prometheusExporter) + cpc.Start(ctx) + logger.L().Info("ContainerProfileCache active; legacy AP/NN caches removed") dc := dnscache.NewDnsCache(dnsResolver) // create object cache - objCache = objectcachev1.NewObjectCache(k8sObjectCache, apc, nnc, dc) + objCache = objectcachev1.NewObjectCache(k8sObjectCache, cpc, dc) ruleCooldown := rulecooldown.NewRuleCooldown(cfg.RuleCoolDown) @@ -328,10 +325,9 @@ func main() { } else { ruleManager = rulemanager.CreateRuleManagerMock() - apc := &objectcache.ApplicationProfileCacheMock{} - nnc := &objectcache.NetworkNeighborhoodCacheMock{} + cpc := &objectcache.ContainerProfileCacheMock{} dc := &objectcache.DnsCacheMock{} - objCache = objectcachev1.NewObjectCache(k8sObjectCache, apc, nnc, dc) + objCache = objectcachev1.NewObjectCache(k8sObjectCache, cpc, dc) ruleBindingNotify = make(chan rulebinding.RuleBindingNotify, 1) } diff --git a/go.mod b/go.mod index 5dea4d016c..c74fe99f0a 100644 --- a/go.mod +++ b/go.mod @@ -35,7 +35,7 @@ require ( github.com/joncrlsn/dque v0.0.0-20241024143830-7723fd131a64 github.com/kubescape/backend v0.0.39 github.com/kubescape/go-logger v0.0.28 - github.com/kubescape/k8s-interface v0.0.206 + github.com/kubescape/k8s-interface v0.0.208 github.com/kubescape/storage v0.0.258 github.com/kubescape/workerpool v0.0.0-20250526074519-0e4a4e7f44cf github.com/moby/sys/mountinfo v0.7.2 @@ -60,6 +60,7 @@ require ( go.uber.org/multierr v1.11.0 golang.org/x/net v0.53.0 golang.org/x/sys v0.43.0 + golang.org/x/tools v0.43.0 gonum.org/v1/plot v0.14.0 google.golang.org/grpc v1.80.0 google.golang.org/protobuf v1.36.11 @@ -473,7 +474,6 @@ require ( golang.org/x/term v0.42.0 // indirect golang.org/x/text v0.36.0 // indirect golang.org/x/time v0.15.0 // indirect - golang.org/x/tools v0.43.0 // indirect golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect google.golang.org/api v0.271.0 // indirect google.golang.org/genproto v0.0.0-20260128011058-8636f8732409 // indirect diff --git a/go.sum b/go.sum index 689cf6d6c5..bbfd3daaff 100644 --- a/go.sum +++ b/go.sum @@ -1013,8 +1013,8 @@ github.com/kubescape/backend v0.0.39 h1:B1QRfKCSFlzuE+jWOnk/l7EpH71/Q3n14KKq0QSn github.com/kubescape/backend v0.0.39/go.mod h1:cMEGP8cXUZgY89YU4GRBGIla9HZW7grZsUtlCwvZgAE= github.com/kubescape/go-logger v0.0.28 h1:xulKTp9kOg3rD98sopFELQ6yZCHQoQXMDzteoSHDFKI= github.com/kubescape/go-logger v0.0.28/go.mod h1:YZHFjwGCDar1hP9OyBLE46oR7a0Y/Z/0FperDo8+9D0= -github.com/kubescape/k8s-interface v0.0.206 h1:qaYu4mlLmSBePanSGq+DBCssh4O785TAT0lQGNGWyGw= -github.com/kubescape/k8s-interface v0.0.206/go.mod h1:WNYUG93aZ5kDmuaRKFLtVhp18Yc6EfaHdD1gLYtVTN4= +github.com/kubescape/k8s-interface v0.0.208 h1:vmZ2FVAQRsz3XRKNG/6wJAYvZJ12RtMoDTLVxFEktms= +github.com/kubescape/k8s-interface v0.0.208/go.mod h1:WNYUG93aZ5kDmuaRKFLtVhp18Yc6EfaHdD1gLYtVTN4= github.com/kubescape/workerpool v0.0.0-20250526074519-0e4a4e7f44cf h1:hI0jVwrB6fT4GJWvuUjzObfci1CUknrZdRHfnRVtKM0= github.com/kubescape/workerpool v0.0.0-20250526074519-0e4a4e7f44cf/go.mod h1:Il5baM40PV9cTt4OGdLMeTRRAai3TMfvImu31itIeCM= github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc= diff --git a/pkg/config/config.go b/pkg/config/config.go index 5e4807603b..dbc55b080f 100644 --- a/pkg/config/config.go +++ b/pkg/config/config.go @@ -107,6 +107,7 @@ type Config struct { ProcfsPidScanInterval time.Duration `mapstructure:"procfsPidScanInterval"` ProcfsScanInterval time.Duration `mapstructure:"procfsScanInterval"` ProfilesCacheRefreshRate time.Duration `mapstructure:"profilesCacheRefreshRate"` + StorageRPCBudget time.Duration `mapstructure:"storageRPCBudget"` RuleCoolDown rulecooldown.RuleCooldownConfig `mapstructure:"ruleCooldown"` TestMode bool `mapstructure:"testMode"` UpdateDataPeriod time.Duration `mapstructure:"updateDataPeriod"` diff --git a/pkg/containerprofilemanager/v1/lifecycle.go b/pkg/containerprofilemanager/v1/lifecycle.go index 44b689600b..dc9b8ac45a 100644 --- a/pkg/containerprofilemanager/v1/lifecycle.go +++ b/pkg/containerprofilemanager/v1/lifecycle.go @@ -162,6 +162,7 @@ func (cpm *ContainerProfileManager) addContainer(container *containercollection. // Setup monitoring timer sniffingTime := cpm.calculateSniffingTime(container) + sharedData.LearningPeriod = sniffingTime timer := time.AfterFunc(sniffingTime, func() { cpm.handleContainerMaxTime(container) }) diff --git a/pkg/containerwatcher/v2/container_watcher_collection.go b/pkg/containerwatcher/v2/container_watcher_collection.go index 834ecb4125..b919084aac 100644 --- a/pkg/containerwatcher/v2/container_watcher_collection.go +++ b/pkg/containerwatcher/v2/container_watcher_collection.go @@ -60,8 +60,7 @@ func (cw *ContainerWatcher) StartContainerCollection(ctx context.Context) error cw.containerCallbackAsync, cw.containerProcessTree.ContainerCallback, cw.containerProfileManager.ContainerCallback, - cw.objectCache.ApplicationProfileCache().ContainerCallback, - cw.objectCache.NetworkNeighborhoodCache().ContainerCallback, + cw.objectCache.ContainerProfileCache().ContainerCallback, cw.malwareManager.ContainerCallback, cw.ruleManager.ContainerCallback, cw.sbomManager.ContainerCallback, diff --git a/pkg/hostsensormanager/sensor_kubelet.go b/pkg/hostsensormanager/sensor_kubelet.go index 0950f5e1fc..dafb165773 100644 --- a/pkg/hostsensormanager/sensor_kubelet.go +++ b/pkg/hostsensormanager/sensor_kubelet.go @@ -4,8 +4,10 @@ import ( "context" "fmt" + logger "github.com/kubescape/go-logger" "github.com/kubescape/go-logger/helpers" "github.com/kubescape/k8s-interface/hostsensor" + "sigs.k8s.io/yaml" ) const ( @@ -25,6 +27,32 @@ var kubeletKubeConfigDefaultPathList = []string{ "/var/lib/kubelet/kubeconfig", } +var kubeletServiceFilePaths = []string{ + "/etc/systemd/system/kubelet.service", + "/usr/lib/systemd/system/kubelet.service", + "/lib/systemd/system/kubelet.service", +} + +const kubeletServiceDropInDir = "/etc/systemd/system/kubelet.service.d" + +// kubeletConfigYAML is a minimal subset of KubeletConfiguration for CA file extraction. +type kubeletConfigYAML struct { + Authentication struct { + X509 struct { + ClientCAFile string `json:"clientCAFile"` + } `json:"x509"` + } `json:"authentication"` +} + +// extractClientCAFromKubeletConfig parses kubelet config YAML and returns the clientCAFile path. +func extractClientCAFromKubeletConfig(content []byte) (string, error) { + var cfg kubeletConfigYAML + if err := yaml.Unmarshal(content, &cfg); err != nil { + return "", fmt.Errorf("failed to parse kubelet config: %w", err) + } + return cfg.Authentication.X509.ClientCAFile, nil +} + // KubeletInfoSensor implements the Sensor interface for kubelet info data type KubeletInfoSensor struct { nodeName string @@ -73,12 +101,31 @@ func (s *KubeletInfoSensor) Sense() (interface{}, error) { ret.KubeConfigFile = makeContaineredFileInfoFromListVerbose(ctx, kubeletProcess, kubeletKubeConfigDefaultPathList, true, helpers.String("in", "SenseKubeletInfo")) } - // Client CA + // Client CA: check cmdLine first, then fall back to kubelet config YAML if caFilePath, ok := kubeletProcess.GetArg(kubeletClientCAArgName); ok { ret.ClientCAFile = makeContaineredFileInfoVerbose(ctx, kubeletProcess, caFilePath, false, helpers.String("in", "SenseKubeletInfo")) + } else if ret.ConfigFile != nil && len(ret.ConfigFile.Content) > 0 { + if caFilePath, err := extractClientCAFromKubeletConfig(ret.ConfigFile.Content); err != nil { + logger.L().Debug("failed to extract clientCAFile from kubelet config", helpers.String("in", "SenseKubeletInfo"), helpers.Error(err)) + } else if caFilePath != "" { + ret.ClientCAFile = makeContaineredFileInfoVerbose(ctx, kubeletProcess, caFilePath, false, helpers.String("in", "SenseKubeletInfo")) + } } ret.CmdLine = kubeletProcess.RawCmd() + // Service files: main unit file and drop-in directory + for _, svcPath := range kubeletServiceFilePaths { + if fi := makeHostFileInfoVerbose(ctx, svcPath, false); fi != nil { + ret.ServiceFiles = append(ret.ServiceFiles, *fi) + break + } + } + if dropIns, err := makeHostDirFilesInfoVerbose(ctx, kubeletServiceDropInDir, false, 0); err == nil { + for _, fi := range dropIns { + ret.ServiceFiles = append(ret.ServiceFiles, *fi) + } + } + return &ret, nil } diff --git a/pkg/metricsmanager/metrics_manager_interface.go b/pkg/metricsmanager/metrics_manager_interface.go index 1542c13006..e6c20b62c2 100644 --- a/pkg/metricsmanager/metrics_manager_interface.go +++ b/pkg/metricsmanager/metrics_manager_interface.go @@ -20,4 +20,9 @@ type MetricsManager interface { ReportContainerStart() ReportContainerStop() ReportDedupEvent(eventType utils.EventType, duplicate bool) + ReportContainerProfileLegacyLoad(kind, completeness string) + SetContainerProfileCacheEntries(kind string, count float64) + ReportContainerProfileCacheHit(hit bool) + ReportContainerProfileReconcilerDuration(phase string, duration time.Duration) + ReportContainerProfileReconcilerEviction(reason string) } diff --git a/pkg/metricsmanager/metrics_manager_mock.go b/pkg/metricsmanager/metrics_manager_mock.go index 74424e07b1..70f118da8e 100644 --- a/pkg/metricsmanager/metrics_manager_mock.go +++ b/pkg/metricsmanager/metrics_manager_mock.go @@ -66,4 +66,9 @@ func (m *MetricsMock) ReportContainerStart() {} func (m *MetricsMock) ReportContainerStop() {} -func (m *MetricsMock) ReportDedupEvent(eventType utils.EventType, duplicate bool) {} +func (m *MetricsMock) ReportDedupEvent(eventType utils.EventType, duplicate bool) {} +func (m *MetricsMock) ReportContainerProfileLegacyLoad(_, _ string) {} +func (m *MetricsMock) SetContainerProfileCacheEntries(_ string, _ float64) {} +func (m *MetricsMock) ReportContainerProfileCacheHit(_ bool) {} +func (m *MetricsMock) ReportContainerProfileReconcilerDuration(_ string, _ time.Duration) {} +func (m *MetricsMock) ReportContainerProfileReconcilerEviction(_ string) {} diff --git a/pkg/metricsmanager/metrics_manager_noop.go b/pkg/metricsmanager/metrics_manager_noop.go index c797f348a1..092b5a5e46 100644 --- a/pkg/metricsmanager/metrics_manager_noop.go +++ b/pkg/metricsmanager/metrics_manager_noop.go @@ -22,3 +22,8 @@ func (m *MetricsNoop) ReportRuleEvaluationTime(_ string, _ utils.EventType, _ ti func (m *MetricsNoop) ReportContainerStart() {} func (m *MetricsNoop) ReportContainerStop() {} func (m *MetricsNoop) ReportDedupEvent(_ utils.EventType, _ bool) {} +func (m *MetricsNoop) ReportContainerProfileLegacyLoad(_, _ string) {} +func (m *MetricsNoop) SetContainerProfileCacheEntries(_ string, _ float64) {} +func (m *MetricsNoop) ReportContainerProfileCacheHit(_ bool) {} +func (m *MetricsNoop) ReportContainerProfileReconcilerDuration(_ string, _ time.Duration) {} +func (m *MetricsNoop) ReportContainerProfileReconcilerEviction(_ string) {} diff --git a/pkg/metricsmanager/prometheus/prometheus.go b/pkg/metricsmanager/prometheus/prometheus.go index 30211664e6..d729924ab5 100644 --- a/pkg/metricsmanager/prometheus/prometheus.go +++ b/pkg/metricsmanager/prometheus/prometheus.go @@ -63,6 +63,13 @@ type PrometheusMetric struct { // Dedup metrics dedupEventCounter *prometheus.CounterVec + // ContainerProfile cache metrics + cpCacheLegacyLoadsCounter *prometheus.CounterVec + cpCacheEntriesGauge *prometheus.GaugeVec + cpCacheHitCounter *prometheus.CounterVec + cpReconcilerDurationHistogram *prometheus.HistogramVec + cpReconcilerEvictionsCounter *prometheus.CounterVec + // Cache to avoid allocating Labels maps on every call ruleCounterCache map[string]prometheus.Counter rulePrefilteredCounterCache map[string]prometheus.Counter @@ -215,6 +222,29 @@ func NewPrometheusMetric() *PrometheusMetric { Help: "Total number of events processed by the dedup layer", }, []string{eventTypeLabel, "result"}), + // ContainerProfile cache metrics + cpCacheLegacyLoadsCounter: promauto.NewCounterVec(prometheus.CounterOpts{ + Name: "node_agent_user_profile_legacy_loads_total", + Help: "Number of times a user-authored legacy ApplicationProfile or NetworkNeighborhood was loaded into the ContainerProfileCache; will be removed in a future release.", + }, []string{"kind", "completeness"}), + cpCacheEntriesGauge: promauto.NewGaugeVec(prometheus.GaugeOpts{ + Name: "node_agent_containerprofile_cache_entries", + Help: "Current number of cached ContainerProfile entries per kind.", + }, []string{"kind"}), + cpCacheHitCounter: promauto.NewCounterVec(prometheus.CounterOpts{ + Name: "node_agent_containerprofile_cache_hit_total", + Help: "Total number of ContainerProfile cache lookups by result.", + }, []string{"result"}), + cpReconcilerDurationHistogram: promauto.NewHistogramVec(prometheus.HistogramOpts{ + Name: "node_agent_containerprofile_reconciler_duration_seconds", + Help: "Duration of ContainerProfile reconciler phases in seconds.", + Buckets: prometheus.DefBuckets, + }, []string{"phase"}), + cpReconcilerEvictionsCounter: promauto.NewCounterVec(prometheus.CounterOpts{ + Name: "node_agent_containerprofile_reconciler_evictions_total", + Help: "Total number of ContainerProfile cache evictions by reason.", + }, []string{"reason"}), + // Initialize counter caches ruleCounterCache: make(map[string]prometheus.Counter), rulePrefilteredCounterCache: make(map[string]prometheus.Counter), @@ -256,6 +286,11 @@ func (p *PrometheusMetric) Destroy() { prometheus.Unregister(p.containerStartCounter) prometheus.Unregister(p.containerStopCounter) prometheus.Unregister(p.dedupEventCounter) + prometheus.Unregister(p.cpCacheLegacyLoadsCounter) + prometheus.Unregister(p.cpCacheEntriesGauge) + prometheus.Unregister(p.cpCacheHitCounter) + prometheus.Unregister(p.cpReconcilerDurationHistogram) + prometheus.Unregister(p.cpReconcilerEvictionsCounter) // Unregister program ID metrics prometheus.Unregister(p.programRuntimeGauge) prometheus.Unregister(p.programRunCountGauge) @@ -432,3 +467,27 @@ func (p *PrometheusMetric) ReportDedupEvent(eventType utils.EventType, duplicate } p.dedupEventCounter.WithLabelValues(string(eventType), result).Inc() } + +func (p *PrometheusMetric) ReportContainerProfileLegacyLoad(kind, completeness string) { + p.cpCacheLegacyLoadsCounter.WithLabelValues(kind, completeness).Inc() +} + +func (p *PrometheusMetric) SetContainerProfileCacheEntries(kind string, count float64) { + p.cpCacheEntriesGauge.WithLabelValues(kind).Set(count) +} + +func (p *PrometheusMetric) ReportContainerProfileCacheHit(hit bool) { + result := "hit" + if !hit { + result = "miss" + } + p.cpCacheHitCounter.WithLabelValues(result).Inc() +} + +func (p *PrometheusMetric) ReportContainerProfileReconcilerDuration(phase string, duration time.Duration) { + p.cpReconcilerDurationHistogram.WithLabelValues(phase).Observe(duration.Seconds()) +} + +func (p *PrometheusMetric) ReportContainerProfileReconcilerEviction(reason string) { + p.cpReconcilerEvictionsCounter.WithLabelValues(reason).Inc() +} diff --git a/pkg/objectcache/applicationprofilecache/applicationprofilecache.go b/pkg/objectcache/applicationprofilecache/applicationprofilecache.go deleted file mode 100644 index 7875f4e741..0000000000 --- a/pkg/objectcache/applicationprofilecache/applicationprofilecache.go +++ /dev/null @@ -1,908 +0,0 @@ -package applicationprofilecache - -import ( - "context" - "fmt" - "strings" - "sync" - "time" - - "github.com/cenkalti/backoff/v5" - mapset "github.com/deckarep/golang-set/v2" - "github.com/goradd/maps" - containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" - "github.com/kubescape/go-logger" - "github.com/kubescape/go-logger/helpers" - helpersv1 "github.com/kubescape/k8s-interface/instanceidhandler/v1/helpers" - "github.com/armosec/armoapi-go/armotypes" - "github.com/kubescape/node-agent/pkg/config" - "github.com/kubescape/node-agent/pkg/exporters" - "github.com/kubescape/node-agent/pkg/objectcache" - "github.com/kubescape/node-agent/pkg/objectcache/applicationprofilecache/callstackcache" - "github.com/kubescape/node-agent/pkg/resourcelocks" - "github.com/kubescape/node-agent/pkg/rulemanager/types" - "github.com/kubescape/node-agent/pkg/signature" - "github.com/kubescape/node-agent/pkg/signature/profiles" - "github.com/kubescape/node-agent/pkg/storage" - "github.com/kubescape/node-agent/pkg/utils" - "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" -) - -// ContainerInfo holds container metadata we need for application profile mapping -type ContainerInfo struct { - ContainerID string - WorkloadID string - InstanceTemplateHash string - Namespace string - Name string - SeenContainerFromTheStart bool // True if container was seen from the start - UserDefinedProfile string -} - -// ContainerCallStackIndex maintains call stack search trees for a container -type ContainerCallStackIndex struct { - searchTree *callstackcache.CallStackSearchTree -} - -type ApplicationProfileCacheImpl struct { - cfg config.Config - workloadIDToProfile maps.SafeMap[string, *v1beta1.ApplicationProfile] - workloadIDToProfileState maps.SafeMap[string, *objectcache.ProfileState] // Tracks profile state even if not in cache - containerIDToInfo maps.SafeMap[string, *ContainerInfo] - profileToUserManagedIdentifier maps.SafeMap[string, string] // profileName -> user-managed profile unique identifier (This is used to prevent merging the same user-managed profile multiple times) - containerToCallStackIndex maps.SafeMap[string, *ContainerCallStackIndex] - storageClient storage.ProfileClient - k8sObjectCache objectcache.K8sObjectCache - exporter exporters.Exporter // Exporter for sending tamper detection alerts - updateInterval time.Duration - updateInProgress bool // Flag to track if update is in progress - updateMutex sync.Mutex // Mutex to protect the flag - containerLocks *resourcelocks.ResourceLocks // Locks for each container to prevent concurrent modifications -} - -// NewApplicationProfileCache creates a new application profile cache with periodic updates -func NewApplicationProfileCache(cfg config.Config, storageClient storage.ProfileClient, k8sObjectCache objectcache.K8sObjectCache, exporter exporters.Exporter) *ApplicationProfileCacheImpl { - updateInterval := utils.AddJitter(cfg.ProfilesCacheRefreshRate, 10) // Add 10% jitter to avoid high load on the storage - - apc := &ApplicationProfileCacheImpl{ - cfg: cfg, - workloadIDToProfile: maps.SafeMap[string, *v1beta1.ApplicationProfile]{}, - workloadIDToProfileState: maps.SafeMap[string, *objectcache.ProfileState]{}, - containerIDToInfo: maps.SafeMap[string, *ContainerInfo]{}, - profileToUserManagedIdentifier: maps.SafeMap[string, string]{}, - containerToCallStackIndex: maps.SafeMap[string, *ContainerCallStackIndex]{}, - storageClient: storageClient, - k8sObjectCache: k8sObjectCache, - exporter: exporter, - updateInterval: updateInterval, - containerLocks: resourcelocks.New(), - } - - return apc -} - -// Start begins the periodic update process -func (apc *ApplicationProfileCacheImpl) Start(ctx context.Context) { - go apc.periodicUpdate(ctx) -} - -// periodicUpdate periodically fetches and updates application profiles from storage -func (apc *ApplicationProfileCacheImpl) periodicUpdate(ctx context.Context) { - ticker := time.NewTicker(apc.updateInterval) - defer ticker.Stop() - - for { - select { - case <-ticker.C: - // Check if an update is already in progress - apc.updateMutex.Lock() - if apc.updateInProgress { - // Skip this update cycle - logger.L().Debug("skipping profile update: previous update still in progress") - apc.updateMutex.Unlock() - continue - } - - // Set the flag and release the lock before the potentially long-running call - apc.updateInProgress = true - apc.updateMutex.Unlock() - - // Run the update directly - apc.updateAllProfiles(ctx) - - // Mark the update as complete - apc.updateMutex.Lock() - apc.updateInProgress = false - apc.updateMutex.Unlock() - - case <-ctx.Done(): - logger.L().Info("ApplicationProfileCache periodic update stopped") - return - } - } -} - -// updateAllProfiles fetches all application profiles from storage and updates the cache -func (apc *ApplicationProfileCacheImpl) updateAllProfiles(ctx context.Context) { - // Get unique namespaces from container info - namespaces := apc.getNamespaces() - if len(namespaces) == 0 { - logger.L().Debug("no namespaces found in cache, skipping profile update") - return - } - - // Iterate over each namespace - for _, namespace := range namespaces { - // Get container IDs for this namespace - containerIDs := apc.getContainerIDsForNamespace(namespace) - if len(containerIDs) == 0 { - logger.L().Debug("no containers found for namespace, skipping", - helpers.String("namespace", namespace)) - continue - } - - // Get profiles list for this namespace - var profileList *v1beta1.ApplicationProfileList - continueToken := "" - for { - list, err := apc.storageClient.ListApplicationProfiles(namespace, int64(50), continueToken) - if err != nil { - logger.L().Error("failed to list application profiles", - helpers.String("namespace", namespace), - helpers.Error(err)) - break - } - - if profileList == nil { - profileList = list - } else { - profileList.Items = append(profileList.Items, list.Items...) - } - - continueToken = list.Continue - if continueToken == "" { - break - } - } - - if profileList == nil { - continue - } - - // Process each profile - for _, profile := range profileList.Items { - // Handle user-managed profiles - if isUserManagedProfile(&profile) { - apc.handleUserManagedProfile(&profile) - continue - } - - // Get the workload ID from profile - workloadID := apc.wlidKey(profile.Annotations[helpersv1.WlidMetadataKey], profile.Labels[helpersv1.TemplateHashKey]) - if workloadID == "" { - continue // this is the case for user-defined profiles - } - - // Update profile state regardless of whether we'll update the full profile - profileState := &objectcache.ProfileState{ - Completion: profile.Annotations[helpersv1.CompletionMetadataKey], - Status: profile.Annotations[helpersv1.StatusMetadataKey], - Name: profile.Name, - Error: nil, - } - apc.workloadIDToProfileState.Set(workloadID, profileState) - - // Only consider completed profiles - if profile.Annotations[helpersv1.StatusMetadataKey] != helpersv1.Completed { - continue - } - - // Check if this workload ID is used by any container in this namespace - workloadIDInUse := false - hasNewContainer := false // Track if any container using this workload was seen from start - for _, containerID := range containerIDs { - if containerInfo, exists := apc.containerIDToInfo.Load(containerID); exists && - containerInfo.WorkloadID == workloadID && - containerInfo.InstanceTemplateHash == profile.Labels[helpersv1.TemplateHashKey] { - workloadIDInUse = true - // If any container was seen from start, mark it - if containerInfo.SeenContainerFromTheStart { - hasNewContainer = true - } - } - } - - if !workloadIDInUse { - continue - } - - // If we have a "new" container (seen from start) and the profile is partial, - // skip it - we don't want to use partial profiles for containers we're tracking from the start - if hasNewContainer && profile.Annotations[helpersv1.CompletionMetadataKey] == helpersv1.Partial { - logger.L().Debug("updateAllProfiles: skipping partial profile for new container", - helpers.String("profileName", profile.Name), - helpers.String("workloadID", workloadID)) - continue - } - - // Update the profile in the cache - if existingProfile, exists := apc.workloadIDToProfile.Load(workloadID); exists { - // If the profile already exists and it's complete/completed, continue to the next one - if existingProfile.Annotations[helpersv1.CompletionMetadataKey] == helpersv1.Full { - continue - } - - // If the new profile is not complete and we already have a completed/partial one, skip it - if profile.Annotations[helpersv1.CompletionMetadataKey] != helpersv1.Full { - continue - } - } - - // Fetch the profile from storage - fullProfile, err := apc.storageClient.GetApplicationProfile(namespace, profile.Name) - if err != nil { - logger.L().Error("failed to get application profile", - helpers.String("workloadID", workloadID), - helpers.String("namespace", namespace), - helpers.String("profileName", profile.Name), - helpers.Error(err)) - // Update the profile state to indicate an error - profileState.Error = err - apc.workloadIDToProfileState.Set(workloadID, profileState) - continue - } - - // Verify signature if enabled - if err := apc.verifyApplicationProfile(fullProfile, workloadID, "profile", true); err != nil { - // Continue to next profile as per requirements: skip on verification failure - continue - } - - apc.workloadIDToProfile.Set(workloadID, fullProfile) - logger.L().Debug("application profile downloaded, starting anomaly detection", - helpers.String("workloadID", workloadID), - helpers.String("namespace", namespace), - helpers.String("status", profile.Annotations[helpersv1.StatusMetadataKey]), - helpers.String("completion", profile.Annotations[helpersv1.CompletionMetadataKey])) - - // Update call stack search trees for containers using this workload ID - for _, containerID := range containerIDs { - if containerInfo, exists := apc.containerIDToInfo.Load(containerID); exists && - containerInfo.WorkloadID == workloadID && - containerInfo.InstanceTemplateHash == profile.Labels[helpersv1.TemplateHashKey] { - // Create or update call stack search tree if not exists - apc.indexContainerCallStacks(containerID, containerInfo.Name, fullProfile) - } - } - } - // Continue to next namespace - } -} - -// verifyApplicationProfile verifies the profile signature. -// Always checks signed profiles for tamper (emits R1016 alert on tamper). -// When EnableSignatureVerification is true, also rejects tampered/unsigned profiles. -// Returns error if the profile should not be loaded, nil otherwise. -func (apc *ApplicationProfileCacheImpl) verifyApplicationProfile(profile *v1beta1.ApplicationProfile, workloadID, context string, recordFailure bool) error { - profileAdapter := profiles.NewApplicationProfileAdapter(profile) - - // Always check signed profiles for tamper, regardless of enforcement setting - if signature.IsSigned(profileAdapter) { - if err := signature.VerifyObject(profileAdapter); err != nil { - // Signed profile failed verification → tamper detected - logger.L().Warning(context+" signature verification failed (tamper detected)", - helpers.String("profile", profile.Name), - helpers.String("namespace", profile.Namespace), - helpers.String("workloadID", workloadID), - helpers.Error(err)) - - // Emit R1016 tamper alert - apc.emitTamperAlert(profile.Name, profile.Namespace, workloadID, "ApplicationProfile", err) - - if apc.cfg.EnableSignatureVerification { - if recordFailure { - apc.setVerificationFailed(workloadID, profile.Name, err) - } - return err - } - // Enforcement off: allow loading despite tamper - return nil - } - logger.L().Debug(context+" verification successful", - helpers.String("profile", profile.Name), - helpers.String("namespace", profile.Namespace)) - return nil - } - - // Profile is not signed - if apc.cfg.EnableSignatureVerification { - logger.L().Debug(context+" is not signed, skipping", - helpers.String("profile", profile.Name), - helpers.String("namespace", profile.Namespace), - helpers.String("workloadID", workloadID)) - if recordFailure { - apc.setVerificationFailed(workloadID, profile.Name, signature.ErrObjectNotSigned) - } - return signature.ErrObjectNotSigned - } - - return nil -} - -// emitTamperAlert sends an R1016 "Signed profile tampered" alert via the exporter. -func (apc *ApplicationProfileCacheImpl) emitTamperAlert(profileName, namespace, workloadID, objectKind string, verifyErr error) { - if apc.exporter == nil { - return - } - - ruleFailure := &types.GenericRuleFailure{ - BaseRuntimeAlert: armotypes.BaseRuntimeAlert{ - AlertName: "Signed profile tampered", - InfectedPID: 1, - Severity: 10, - FixSuggestions: "Investigate who modified the " + objectKind + " '" + profileName + "' in namespace '" + namespace + "'. Re-sign the profile after verifying its contents.", - }, - AlertType: armotypes.AlertTypeRule, - RuntimeProcessDetails: armotypes.ProcessTree{ - ProcessTree: armotypes.Process{ - PID: 1, - Comm: "node-agent", - }, - }, - RuleAlert: armotypes.RuleAlert{ - RuleDescription: fmt.Sprintf("Signed %s '%s' in namespace '%s' has been tampered with: %v", objectKind, profileName, namespace, verifyErr), - }, - RuntimeAlertK8sDetails: armotypes.RuntimeAlertK8sDetails{ - Namespace: namespace, - }, - RuleID: "R1016", - } - - // Populate workload details from workloadID if available - ruleFailure.SetWorkloadDetails(extractWlidFromWorkloadID(workloadID)) - - apc.exporter.SendRuleAlert(ruleFailure) -} - -// extractWlidFromWorkloadID extracts the wlid part from a "wlid/templateHash" key. -func extractWlidFromWorkloadID(workloadID string) string { - if idx := strings.LastIndex(workloadID, "/"); idx > 0 { - // workloadID format is "wlid://////" - // We need everything before the last "/" which is the templateHash - return workloadID[:idx] - } - return workloadID -} - -func (apc *ApplicationProfileCacheImpl) setVerificationFailed(workloadID, profileName string, err error) { - profileState := &objectcache.ProfileState{ - Completion: "failed", - Status: "verification-failed", - Name: profileName, - Error: err, - } - apc.workloadIDToProfileState.Set(workloadID, profileState) -} - -// handleUserManagedProfile handles user-managed profiles -func (apc *ApplicationProfileCacheImpl) handleUserManagedProfile(profile *v1beta1.ApplicationProfile) { - normalizedProfileName := strings.TrimPrefix(profile.Name, helpersv1.UserApplicationProfilePrefix) - userManagedProfileUniqueIdentifier := profile.ResourceVersion + string(profile.UID) - - // Create a unique tracking key for this user profile - profileKey := apc.profileKey(profile.Namespace, normalizedProfileName) - - // Check if we've already processed this exact version of the user-managed profile - if storedIdentifier, exists := apc.profileToUserManagedIdentifier.Load(profileKey); exists && - storedIdentifier == userManagedProfileUniqueIdentifier { - return - } - - // Find and collect the profile to merge - var toMerge struct { - wlid string - profile *v1beta1.ApplicationProfile - } - - apc.workloadIDToProfile.Range(func(wlid string, originalProfile *v1beta1.ApplicationProfile) bool { - if originalProfile.Name == normalizedProfileName && originalProfile.Namespace == profile.Namespace { - toMerge.wlid = wlid - toMerge.profile = originalProfile - logger.L().Debug("found matching profile for user-managed profile", - helpers.String("workloadID", wlid), - helpers.String("namespace", originalProfile.Namespace), - helpers.String("profileName", originalProfile.Name)) - // Stop iteration - return false - } - return true - }) - - // If we didn't find a matching profile, skip merging - if toMerge.profile == nil { - return - } - - // Fetch the full user profile - fullUserProfile, err := apc.storageClient.GetApplicationProfile(profile.Namespace, profile.Name) - if err != nil { - logger.L().Error("failed to get user-managed profile", - helpers.String("namespace", profile.Namespace), - helpers.String("profileName", profile.Name), - helpers.Error(err)) - return - } - - // Verify signature if enabled - if err := apc.verifyApplicationProfile(fullUserProfile, toMerge.wlid, "user-managed profile", false); err != nil { - return - } - - // Merge the user-managed profile with the normal profile - - // First, pull the original profile from the storage - originalProfile, err := apc.storageClient.GetApplicationProfile(toMerge.profile.Namespace, toMerge.profile.Name) - if err != nil { - logger.L().Error("failed to get original profile", - helpers.String("namespace", toMerge.profile.Namespace), - helpers.String("profileName", toMerge.profile.Name), - helpers.Error(err)) - return - } - // Merge the profiles - mergedProfile := apc.performMerge(originalProfile, fullUserProfile) - // Update the cache with the merged profile - apc.workloadIDToProfile.Set(toMerge.wlid, mergedProfile) - // Update profile state for the merged profile - profileState := &objectcache.ProfileState{ - Completion: mergedProfile.Annotations[helpersv1.CompletionMetadataKey], - Status: mergedProfile.Annotations[helpersv1.StatusMetadataKey], - Name: mergedProfile.Name, - Error: nil, - } - apc.workloadIDToProfileState.Set(toMerge.wlid, profileState) - - logger.L().Debug("merged user-managed profile with normal profile", - helpers.String("workloadID", toMerge.wlid), - helpers.String("namespace", profile.Namespace), - helpers.String("profileName", profile.Name)) - - // We need to index the call stacks for the merged profile here, but currently we don't support that. - - // Record that we've processed this version of the profile - apc.profileToUserManagedIdentifier.Set(profileKey, userManagedProfileUniqueIdentifier) -} - -// indexContainerCallStacks builds the search index for a container's call stacks and removes them from the profile -func (apc *ApplicationProfileCacheImpl) indexContainerCallStacks(containerID, containerName string, appProfile *v1beta1.ApplicationProfile) { - if appProfile == nil { - logger.L().Warning("ApplicationProfileCacheImpl - application profile is nil", - helpers.String("containerID", containerID), - helpers.String("containerName", containerName)) - return - } - - // Create a new call stack search tree - callStackSearchTree := callstackcache.NewCallStackSearchTree() - apc.containerToCallStackIndex.Set(containerID, &ContainerCallStackIndex{ - searchTree: callStackSearchTree, - }) - - // Iterate over the containers in the application profile - // Find the container in the profile and index its call stacks - for _, c := range appProfile.Spec.Containers { - if c.Name == containerName { - // Index all call stacks - for _, stack := range c.IdentifiedCallStacks { - callStackSearchTree.AddCallStack(stack) - } - - // Clear the call stacks to free memory - c.IdentifiedCallStacks = nil - break - } - } - - // Also check init containers - for _, c := range appProfile.Spec.InitContainers { - if c.Name == containerName { - for _, stack := range c.IdentifiedCallStacks { - callStackSearchTree.AddCallStack(stack) - } - - // Clear the call stacks to free memory - c.IdentifiedCallStacks = nil - break - } - } - - // And ephemeral containers - for _, c := range appProfile.Spec.EphemeralContainers { - if c.Name == containerName { - for _, stack := range c.IdentifiedCallStacks { - callStackSearchTree.AddCallStack(stack) - } - - // Clear the call stacks to free memory - c.IdentifiedCallStacks = nil - break - } - } -} - -// ContainerCallback handles container lifecycle events -func (apc *ApplicationProfileCacheImpl) ContainerCallback(notif containercollection.PubSubEvent) { - isHost := utils.IsHostContainer(notif.Container) - namespace := notif.Container.K8s.Namespace - if isHost { - namespace = "host" - } - switch notif.Type { - case containercollection.EventTypeAddContainer: - if !isHost && apc.cfg.IgnoreContainer(namespace, notif.Container.K8s.PodName, notif.Container.K8s.PodLabels) { - return - } - container := notif.Container - if isHost { - containerCopy := *notif.Container - containerCopy.K8s.Namespace = namespace - container = &containerCopy - } - go apc.addContainerWithTimeout(container) - case containercollection.EventTypeRemoveContainer: - if !isHost && apc.cfg.IgnoreContainer(namespace, notif.Container.K8s.PodName, notif.Container.K8s.PodLabels) { - return - } - go apc.deleteContainer(notif.Container.Runtime.ContainerID) - } -} - -// addContainerWithTimeout handles adding a container with a timeout to prevent hanging -func (apc *ApplicationProfileCacheImpl) addContainerWithTimeout(container *containercollection.Container) { - ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute) - defer cancel() - - done := make(chan error, 1) - go func() { - done <- apc.addContainer(container, ctx) - }() - - select { - case err := <-done: - if err != nil { - logger.L().Error("failed to add container to the cache", helpers.Error(err)) - } - case <-ctx.Done(): - logger.L().Error("timeout while adding container to the cache", - helpers.String("containerID", container.Runtime.ContainerID), - helpers.String("containerName", container.Runtime.ContainerName), - helpers.String("podName", container.K8s.PodName), - helpers.String("namespace", container.K8s.Namespace)) - } -} - -// addContainer adds a container to the cache -func (apc *ApplicationProfileCacheImpl) addContainer(container *containercollection.Container, ctx context.Context) error { - containerID := container.Runtime.ContainerID - - return apc.containerLocks.WithLockAndError(containerID, func() error { - // Get workload ID from shared data - sharedData, err := apc.waitForSharedContainerData(containerID, ctx) - if err != nil { - logger.L().Error("failed to get shared data for container", - helpers.String("containerID", containerID), - helpers.Error(err)) - return err - } - - workloadID := apc.wlidKey(sharedData.Wlid, sharedData.InstanceID.GetTemplateHash()) - if workloadID == "" { - logger.L().Debug("empty workloadID for container", helpers.String("containerID", containerID)) - return nil - } - - // If container restarts and profile is partial, delete it from cache - // This ensures we don't alert on activity we didn't see after restart - if existingProfile, exists := apc.workloadIDToProfile.Load(workloadID); exists && !sharedData.PreRunningContainer { - if existingProfile != nil && existingProfile.Annotations != nil { - completion := existingProfile.Annotations[helpersv1.CompletionMetadataKey] - if completion == helpersv1.Partial { - logger.L().Debug("deleting partial profile on container restart", - helpers.String("containerID", containerID), - helpers.String("workloadID", workloadID), - helpers.String("namespace", container.K8s.Namespace)) - - // Delete the profile from cache - profileKey := apc.profileKey(existingProfile.Namespace, existingProfile.Name) - apc.profileToUserManagedIdentifier.Delete(profileKey) - apc.workloadIDToProfile.Delete(workloadID) - - // Also delete call stack indices for all containers using this workload ID - // (including the current container if it exists from a previous run) - apc.containerToCallStackIndex.Delete(containerID) - apc.containerIDToInfo.Range(func(cID string, info *ContainerInfo) bool { - if info.WorkloadID == workloadID { - apc.containerToCallStackIndex.Delete(cID) - } - return true - }) - } - } - } else { - apc.workloadIDToProfileState.Set(workloadID, &objectcache.ProfileState{ - Error: fmt.Errorf("waiting for profile update"), - }) - } - - // Create container info - // Mark container as "seen from start" if it is not pre-running - containerInfo := &ContainerInfo{ - ContainerID: containerID, - WorkloadID: workloadID, - InstanceTemplateHash: sharedData.InstanceID.GetTemplateHash(), - Namespace: container.K8s.Namespace, - Name: container.Runtime.ContainerName, - SeenContainerFromTheStart: !sharedData.PreRunningContainer, - } - - // Check for user-defined profile - if userDefinedProfile, ok := container.K8s.PodLabels[helpersv1.UserDefinedProfileMetadataKey]; ok { - if userDefinedProfile != "" { - // Set the user-defined profile in container info - containerInfo.UserDefinedProfile = userDefinedProfile - // Fetch the profile from storage - // TODO should we cache user-defined profiles separately? - it could allow deduplication - fullProfile, err := apc.storageClient.GetApplicationProfile(container.K8s.Namespace, userDefinedProfile) - if err != nil { - logger.L().Error("failed to get user-defined profile", - helpers.String("containerID", containerID), - helpers.String("workloadID", workloadID), - helpers.String("namespace", container.K8s.Namespace), - helpers.String("profileName", userDefinedProfile), - helpers.Error(err)) - // Update the profile state to indicate an error - profileState := &objectcache.ProfileState{ - Error: err, - } - apc.workloadIDToProfileState.Set(workloadID, profileState) - return nil - } - - // Verify signature if enabled - if err := apc.verifyApplicationProfile(fullProfile, workloadID, "user-defined profile", false); err != nil { - // Update the profile state to indicate an error - profileState := &objectcache.ProfileState{ - Error: fmt.Errorf("signature verification failed: %w", err), - } - apc.workloadIDToProfileState.Set(workloadID, profileState) - // Skip caching the unverified profile - return nil - } - - // Update the profile in the cache - apc.workloadIDToProfile.Set(workloadID, fullProfile) - profileState := &objectcache.ProfileState{ - Completion: fullProfile.Annotations[helpersv1.CompletionMetadataKey], - Status: fullProfile.Annotations[helpersv1.StatusMetadataKey], - Name: fullProfile.Name, - } - apc.workloadIDToProfileState.Set(workloadID, profileState) - logger.L().Debug("user-defined application profile downloaded, starting anomaly detection", - helpers.String("containerID", containerID), - helpers.String("workloadID", workloadID), - helpers.String("namespace", container.K8s.Namespace), - helpers.String("profileName", userDefinedProfile)) - } - } - - // Add to container info map - apc.containerIDToInfo.Set(containerID, containerInfo) - - logger.L().Debug("container added to cache", - helpers.String("containerID", containerID), - helpers.String("workloadID", workloadID), - helpers.String("namespace", container.K8s.Namespace)) - - return nil - }) -} - -// deleteContainer deletes a container from the cache -func (apc *ApplicationProfileCacheImpl) deleteContainer(containerID string) { - apc.containerLocks.WithLock(containerID, func() { - // Get container info - containerInfo, exists := apc.containerIDToInfo.Load(containerID) - if !exists { - logger.L().Debug("containerID not found in cache", helpers.String("containerID", containerID)) - return - } - - // Clean up container info and call stack index - apc.containerIDToInfo.Delete(containerID) - apc.containerToCallStackIndex.Delete(containerID) - - // Check if any other container is using the same workload ID - workloadStillInUse := false - apc.containerIDToInfo.Range(func(_ string, info *ContainerInfo) bool { - if info.WorkloadID == containerInfo.WorkloadID { - workloadStillInUse = true - return false // Stop iteration - } - return true // Continue iteration - }) - - // If no other container is using the same workload ID, delete it from the cache - if !workloadStillInUse { - if profile, exists := apc.workloadIDToProfile.Load(containerInfo.WorkloadID); exists { - // Remove the profile from the cache - profileKey := apc.profileKey(profile.Namespace, profile.Name) - apc.profileToUserManagedIdentifier.Delete(profileKey) - } - apc.workloadIDToProfileState.Delete(containerInfo.WorkloadID) - apc.workloadIDToProfile.Delete(containerInfo.WorkloadID) - logger.L().Debug("deleted workloadID from cache", helpers.String("workloadID", containerInfo.WorkloadID)) - } - }) - - // Clean up the lock when done - call this outside the WithLock closure - apc.containerLocks.ReleaseLock(containerID) -} - -// waitForSharedContainerData waits for shared container data to be available -func (apc *ApplicationProfileCacheImpl) waitForSharedContainerData(containerID string, ctx context.Context) (*objectcache.WatchedContainerData, error) { - return backoff.Retry(ctx, func() (*objectcache.WatchedContainerData, error) { - if sharedData := apc.k8sObjectCache.GetSharedContainerData(containerID); sharedData != nil { - return sharedData, nil - } - return nil, fmt.Errorf("container %s not found in shared data", containerID) - }, backoff.WithBackOff(backoff.NewExponentialBackOff())) -} - -func (apc *ApplicationProfileCacheImpl) profileKey(namespace, name string) string { - return fmt.Sprintf("%s/%s", namespace, name) -} - -func (apc *ApplicationProfileCacheImpl) wlidKey(wlid, templateHash string) string { - return fmt.Sprintf("%s/%s", wlid, templateHash) -} - -func (apc *ApplicationProfileCacheImpl) performMerge(normalProfile, userManagedProfile *v1beta1.ApplicationProfile) *v1beta1.ApplicationProfile { - mergedProfile := normalProfile.DeepCopy() - - // Merge spec - mergedProfile.Spec.Containers = apc.mergeContainers(mergedProfile.Spec.Containers, userManagedProfile.Spec.Containers) - mergedProfile.Spec.InitContainers = apc.mergeContainers(mergedProfile.Spec.InitContainers, userManagedProfile.Spec.InitContainers) - mergedProfile.Spec.EphemeralContainers = apc.mergeContainers(mergedProfile.Spec.EphemeralContainers, userManagedProfile.Spec.EphemeralContainers) - - return mergedProfile -} - -func (apc *ApplicationProfileCacheImpl) mergeContainers(normalContainers, userManagedContainers []v1beta1.ApplicationProfileContainer) []v1beta1.ApplicationProfileContainer { - if len(userManagedContainers) != len(normalContainers) { - // If the number of containers don't match, we can't merge - logger.L().Warning("ApplicationProfileCacheImpl - failed to merge user-managed profile with base profile", - helpers.Int("normalContainers len", len(normalContainers)), - helpers.Int("userManagedContainers len", len(userManagedContainers)), - helpers.String("reason", "number of containers don't match")) - return normalContainers - } - - // Assuming the normalContainers are already in the correct Pod order - // We'll merge user containers at their corresponding positions - for i := range normalContainers { - for _, userContainer := range userManagedContainers { - if normalContainers[i].Name == userContainer.Name { - apc.mergeContainer(&normalContainers[i], &userContainer) - break - } - } - } - return normalContainers -} - -func (apc *ApplicationProfileCacheImpl) mergeContainer(normalContainer, userContainer *v1beta1.ApplicationProfileContainer) { - normalContainer.Capabilities = append(normalContainer.Capabilities, userContainer.Capabilities...) - normalContainer.Execs = append(normalContainer.Execs, userContainer.Execs...) - normalContainer.Opens = append(normalContainer.Opens, userContainer.Opens...) - normalContainer.Syscalls = append(normalContainer.Syscalls, userContainer.Syscalls...) - normalContainer.Endpoints = append(normalContainer.Endpoints, userContainer.Endpoints...) - for k, v := range userContainer.PolicyByRuleId { - if existingPolicy, exists := normalContainer.PolicyByRuleId[k]; exists { - normalContainer.PolicyByRuleId[k] = utils.MergePolicies(existingPolicy, v) - } else { - normalContainer.PolicyByRuleId[k] = v - } - } -} - -func isUserManagedProfile(appProfile *v1beta1.ApplicationProfile) bool { - return appProfile.Annotations != nil && - appProfile.Annotations[helpersv1.ManagedByMetadataKey] == helpersv1.ManagedByUserValue && - strings.HasPrefix(appProfile.GetName(), helpersv1.UserApplicationProfilePrefix) -} - -// GetApplicationProfile gets the application profile for a container -func (apc *ApplicationProfileCacheImpl) GetApplicationProfile(containerID string) *v1beta1.ApplicationProfile { - // Get container info - if containerInfo, exists := apc.containerIDToInfo.Load(containerID); exists { - workloadID := containerInfo.WorkloadID - if workloadID == "" { - return nil - } - - // Try to get profile from cache - if profile, exists := apc.workloadIDToProfile.Load(workloadID); exists { - if profile != nil { - return profile - } - } - } - - return nil -} - -// GetApplicationProfileState gets the profile state for a container -func (apc *ApplicationProfileCacheImpl) GetApplicationProfileState(containerID string) *objectcache.ProfileState { - // Get container info - containerInfo, exists := apc.containerIDToInfo.Load(containerID) - if !exists { - return &objectcache.ProfileState{ - Error: fmt.Errorf("container %s not found in cache", containerID), - } - } - - workloadID := containerInfo.WorkloadID - if workloadID == "" { - return &objectcache.ProfileState{ - Error: fmt.Errorf("no workload ID for container %s", containerID), - } - } - - // Try to get profile state from cache - if profileState, exists := apc.workloadIDToProfileState.Load(workloadID); exists { - if profileState != nil { - return profileState - } - return &objectcache.ProfileState{ - Error: fmt.Errorf("application profile state is nil for workload %s", workloadID), - } - } - - return &objectcache.ProfileState{ - Error: fmt.Errorf("profile state not found for workload ID %s", workloadID), - } -} - -// GetCallStackSearchTree gets the call stack index for a container -func (apc *ApplicationProfileCacheImpl) GetCallStackSearchTree(containerID string) *callstackcache.CallStackSearchTree { - if index, exist := apc.containerToCallStackIndex.Load(containerID); exist { - return index.searchTree - } - - return nil -} - -// getNamespaces retrieves all unique namespaces from the container info cache -func (apc *ApplicationProfileCacheImpl) getNamespaces() []string { - namespaceSet := mapset.NewSet[string]() - apc.containerIDToInfo.Range(func(_ string, info *ContainerInfo) bool { - namespaceSet.Add(info.Namespace) - return true - }) - return namespaceSet.ToSlice() -} - -// getContainerIDsForNamespace retrieves all container IDs for a given namespace -func (apc *ApplicationProfileCacheImpl) getContainerIDsForNamespace(namespace string) []string { - containerIDs := []string{} - apc.containerIDToInfo.Range(func(containerID string, info *ContainerInfo) bool { - if info.Namespace == namespace { - containerIDs = append(containerIDs, containerID) - } - return true - }) - return containerIDs -} - -// Ensure ApplicationProfileCacheImpl implements the ApplicationProfileCache interface -var _ objectcache.ApplicationProfileCache = (*ApplicationProfileCacheImpl)(nil) diff --git a/pkg/objectcache/applicationprofilecache/applicationprofilecache_test.go b/pkg/objectcache/applicationprofilecache/applicationprofilecache_test.go deleted file mode 100644 index 6a89edcb24..0000000000 --- a/pkg/objectcache/applicationprofilecache/applicationprofilecache_test.go +++ /dev/null @@ -1,103 +0,0 @@ -package applicationprofilecache - -import ( - "context" - "fmt" - "testing" - - "github.com/kubescape/node-agent/pkg/config" - "github.com/kubescape/node-agent/pkg/storage" - "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" - metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" -) - -// SpyProfileClient for testing pagination -type SpyProfileClient struct { - storage.ProfileClient - Profiles []v1beta1.ApplicationProfile - CallCount int -} - -func (m *SpyProfileClient) ListApplicationProfiles(namespace string, limit int64, cont string) (*v1beta1.ApplicationProfileList, error) { - m.CallCount++ - start := 0 - if cont != "" { - fmt.Sscanf(cont, "%d", &start) - } - - end := start + int(limit) - nextCont := "" - if end < len(m.Profiles) { - nextCont = fmt.Sprintf("%d", end) - } else { - end = len(m.Profiles) - } - - return &v1beta1.ApplicationProfileList{ - ListMeta: metav1.ListMeta{ - Continue: nextCont, - }, - Items: m.Profiles[start:end], - }, nil -} - -func (m *SpyProfileClient) GetApplicationProfile(namespace, name string) (*v1beta1.ApplicationProfile, error) { - // Return empty profile to avoid errors in update loop - return &v1beta1.ApplicationProfile{ - ObjectMeta: metav1.ObjectMeta{ - Name: name, - Namespace: namespace, - Annotations: map[string]string{ - "kubescape.io/completion": "complete", - "kubescape.io/status": "completed", - }, - }, - }, nil -} - -func TestPagination(t *testing.T) { - totalProfiles := 120 - profiles := make([]v1beta1.ApplicationProfile, totalProfiles) - for i := 0; i < totalProfiles; i++ { - profiles[i] = v1beta1.ApplicationProfile{ - ObjectMeta: metav1.ObjectMeta{ - Name: fmt.Sprintf("profile-%d", i), - Namespace: "default", - Annotations: map[string]string{ - "kubescape.io/completion": "complete", - "kubescape.io/status": "completed", - }, - Labels: map[string]string{ - "kubescape.io/wlid-template-hash": "hash", - }, - }, - } - } - - spy := &SpyProfileClient{Profiles: profiles} - - // mock k8s object cache is irrelevant since we inject container info directly - cache := NewApplicationProfileCache(config.Config{}, spy, nil, nil) - - // Inject a container so that "default" namespace is processed. - // The WorkloadID needs to match something if we want deeper logic to run, - // but for pagination of ListApplicationProfiles, we just need to get past `getContainerIDsForNamespace` check. - // AND we need to simulate at least one container to trigger the list call. - cache.containerIDToInfo.Set("test-container", &ContainerInfo{ - Namespace: "default", - WorkloadID: "wlid", - }) - - // Call the private method - cache.updateAllProfiles(context.Background()) - - // We expect 3 calls: - // 1. 0-50, returns continue="50" - // 2. 50-100, returns continue="100" - // 3. 100-120, returns continue="" - // (Implementation loop checks continueToken == "") - - if spy.CallCount != 3 { - t.Errorf("Expected 3 calls to ListApplicationProfiles, got %d", spy.CallCount) - } -} diff --git a/pkg/objectcache/applicationprofilecache_interface.go b/pkg/objectcache/applicationprofilecache_interface.go deleted file mode 100644 index 780efa23b4..0000000000 --- a/pkg/objectcache/applicationprofilecache_interface.go +++ /dev/null @@ -1,34 +0,0 @@ -package objectcache - -import ( - containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" - "github.com/kubescape/node-agent/pkg/objectcache/applicationprofilecache/callstackcache" - "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" -) - -type ApplicationProfileCache interface { - GetApplicationProfile(containerID string) *v1beta1.ApplicationProfile - GetApplicationProfileState(containerID string) *ProfileState - GetCallStackSearchTree(containerID string) *callstackcache.CallStackSearchTree - ContainerCallback(notif containercollection.PubSubEvent) -} - -var _ ApplicationProfileCache = (*ApplicationProfileCacheMock)(nil) - -type ApplicationProfileCacheMock struct { -} - -func (ap *ApplicationProfileCacheMock) GetApplicationProfile(_ string) *v1beta1.ApplicationProfile { - return nil -} - -func (ap *ApplicationProfileCacheMock) GetCallStackSearchTree(_ string) *callstackcache.CallStackSearchTree { - return nil -} - -func (ap *ApplicationProfileCacheMock) ContainerCallback(_ containercollection.PubSubEvent) { -} - -func (ap *ApplicationProfileCacheMock) GetApplicationProfileState(_ string) *ProfileState { - return nil -} diff --git a/pkg/objectcache/applicationprofilecache/callstackcache/callstackcache.go b/pkg/objectcache/callstackcache/callstackcache.go similarity index 100% rename from pkg/objectcache/applicationprofilecache/callstackcache/callstackcache.go rename to pkg/objectcache/callstackcache/callstackcache.go diff --git a/pkg/objectcache/applicationprofilecache/callstackcache/callstackcache_test.go b/pkg/objectcache/callstackcache/callstackcache_test.go similarity index 100% rename from pkg/objectcache/applicationprofilecache/callstackcache/callstackcache_test.go rename to pkg/objectcache/callstackcache/callstackcache_test.go diff --git a/pkg/objectcache/containerprofilecache/containerprofilecache.go b/pkg/objectcache/containerprofilecache/containerprofilecache.go new file mode 100644 index 0000000000..8185957a27 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/containerprofilecache.go @@ -0,0 +1,617 @@ +// Package containerprofilecache provides a unified, container-keyed cache for ContainerProfile objects. +package containerprofilecache + +import ( + "context" + "fmt" + "sync" + "sync/atomic" + "time" + + "github.com/cenkalti/backoff/v5" + "github.com/goradd/maps" + containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" + "github.com/kubescape/go-logger" + "github.com/kubescape/go-logger/helpers" + helpersv1 "github.com/kubescape/k8s-interface/instanceidhandler/v1/helpers" + "github.com/kubescape/node-agent/pkg/config" + "github.com/kubescape/node-agent/pkg/metricsmanager" + "github.com/kubescape/node-agent/pkg/objectcache" + "github.com/kubescape/node-agent/pkg/objectcache/callstackcache" + "github.com/kubescape/node-agent/pkg/resourcelocks" + "github.com/kubescape/node-agent/pkg/storage" + "github.com/kubescape/node-agent/pkg/utils" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +// defaultReconcileInterval is the fallback refresh cadence when +// config.ProfilesCacheRefreshRate is zero. +// defaultStorageRPCBudget is the per-call timeout applied by refreshRPC when +// config.StorageRPCBudget is zero. +const ( + defaultReconcileInterval = 30 * time.Second + defaultStorageRPCBudget = 5 * time.Second +) + +// namespacedName is a minimal identifier for a legacy user-authored CRD +// (ApplicationProfile / NetworkNeighborhood) overlaid on a ContainerProfile. +type namespacedName struct { + Namespace string + Name string +} + +// CachedContainerProfile is the per-container cache entry. One entry per live +// containerID, populated on ContainerCallback (Add) and removed on Remove. +// +// Profile may be the raw storage-fetched pointer (Shared=true, fast path) or +// a DeepCopy with user-authored AP/NN overlays merged in (Shared=false). +// entry.Profile is read-only once stored; storage.ProfileClient returns +// fresh-decoded objects per call (thin wrapper over client-go typed client) +// so shared aliasing is safe. +type CachedContainerProfile struct { + Profile *v1beta1.ContainerProfile + State *objectcache.ProfileState + CallStackTree *callstackcache.CallStackSearchTree + + ContainerName string + PodName string + Namespace string + PodUID string + WorkloadID string + + // UserAPRef / UserNNRef are set when the entry was built with a legacy + // user-authored AP/NN overlay. Used by the reconciler to re-fetch on + // refresh and to key deprecation warnings. + UserAPRef *namespacedName + UserNNRef *namespacedName + + // CPName is the storage name of the ContainerProfile. Populated at + // addContainer time so the reconciler can re-fetch without re-querying + // shared data (which may have been evicted from K8sObjectCache by then). + CPName string + + // WorkloadName is the per-workload slug used to fetch the workload-level + // ApplicationProfile / NetworkNeighborhood (primary data source while the + // storage-side consolidated CP isn't publicly queryable) and, with the + // "ug-" prefix, the user-managed AP/NN. Populated at addContainer time. + WorkloadName string + + Shared bool // true iff Profile is the shared storage-fetched pointer (read-only) + RV string // ContainerProfile resourceVersion at last load + UserManagedAPRV string // user-managed AP (ug-) RV at last projection, "" if absent + UserManagedNNRV string // user-managed NN (ug-) RV at last projection, "" if absent + UserAPRV string // user-AP (label-referenced) resourceVersion at last projection, "" if no overlay + UserNNRV string // user-NN (label-referenced) resourceVersion at last projection, "" if no overlay +} + +// pendingContainer captures the minimum state needed to retry the initial +// ContainerProfile GET when the CP is not yet in storage at addContainer time. +// The reconciler iterates pending each tick, re-issues the GET, and promotes +// the entry to `entries` on success. Component-tests regression (PR #788) +// showed the legacy periodic-scan path was load-bearing; this is its +// equivalent in the point-lookup model. +type pendingContainer struct { + container *containercollection.Container + sharedData *objectcache.WatchedContainerData + cpName string + workloadName string +} + +// ContainerProfileCacheImpl is the unified container-keyed cache for ContainerProfile objects. +type ContainerProfileCacheImpl struct { + cfg config.Config + entries maps.SafeMap[string, *CachedContainerProfile] + pending maps.SafeMap[string, *pendingContainer] + containerLocks *resourcelocks.ResourceLocks + storageClient storage.ProfileClient + k8sObjectCache objectcache.K8sObjectCache + metricsManager metricsmanager.MetricsManager + + reconcileEvery time.Duration + rpcBudget time.Duration + refreshInProgress atomic.Bool + + // deprecationDedup tracks (kind|ns/name@rv) keys to emit one WARN log + // per legacy CRD resource-version across the process lifetime. + deprecationDedup sync.Map +} + +// NewContainerProfileCache creates a new ContainerProfileCacheImpl. +// metricsManager may be nil; internally we substitute a no-op so call sites +// don't need nil checks. +func NewContainerProfileCache(cfg config.Config, storageClient storage.ProfileClient, k8sObjectCache objectcache.K8sObjectCache, metricsManager metricsmanager.MetricsManager) *ContainerProfileCacheImpl { + reconcileEvery := utils.AddJitter(cfg.ProfilesCacheRefreshRate, 10) + if cfg.ProfilesCacheRefreshRate <= 0 { + reconcileEvery = defaultReconcileInterval + } + if metricsManager == nil { + metricsManager = metricsmanager.NewMetricsNoop() + } + rpcBudget := cfg.StorageRPCBudget + if rpcBudget <= 0 { + rpcBudget = defaultStorageRPCBudget + } + return &ContainerProfileCacheImpl{ + cfg: cfg, + containerLocks: resourcelocks.New(), + storageClient: storageClient, + k8sObjectCache: k8sObjectCache, + metricsManager: metricsManager, + reconcileEvery: reconcileEvery, + rpcBudget: rpcBudget, + } +} + +// refreshRPC calls fn with a context bounded by c.rpcBudget, enforcing a +// per-call SLO so a slow API server cannot stall a full reconciler burst. +func (c *ContainerProfileCacheImpl) refreshRPC(ctx context.Context, fn func(context.Context) error) error { + rpcCtx, cancel := context.WithTimeout(ctx, c.rpcBudget) + defer cancel() + return fn(rpcCtx) +} + +// Start begins the periodic reconciler goroutine. The loop evicts entries +// whose container is no longer Running and refreshes live entries' base CP + +// user AP/NN overlays. See reconciler.go for the tick loop and RPC-cost +// characterization. +func (c *ContainerProfileCacheImpl) Start(ctx context.Context) { + go c.tickLoop(ctx) +} + +// ContainerCallback handles container lifecycle events (add/remove). Mirrors +// the shape used by the legacy caches. +func (c *ContainerProfileCacheImpl) ContainerCallback(notif containercollection.PubSubEvent) { + isHost := utils.IsHostContainer(notif.Container) + namespace := notif.Container.K8s.Namespace + if isHost { + namespace = "host" + } + switch notif.Type { + case containercollection.EventTypeAddContainer: + if !isHost && c.cfg.IgnoreContainer(namespace, notif.Container.K8s.PodName, notif.Container.K8s.PodLabels) { + return + } + container := notif.Container + if isHost { + containerCopy := *notif.Container + containerCopy.K8s.Namespace = namespace + container = &containerCopy + } + go c.addContainerWithTimeout(container) + case containercollection.EventTypeRemoveContainer: + // Skip the ignore check on Remove: a container added before its pod + // labels matched the ignore filter would otherwise leak in the cache. + // The reconciler eviction path is the safety net, but a Remove event + // should always clean up regardless of current label state. + go c.deleteContainer(notif.Container.Runtime.ContainerID) + } +} + +// addContainerWithTimeout runs addContainer with a 10-minute cap to prevent +// a stuck storage client from wedging the callback goroutine. +func (c *ContainerProfileCacheImpl) addContainerWithTimeout(container *containercollection.Container) { + ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute) + defer cancel() + + done := make(chan error, 1) + go func() { + done <- c.addContainer(container, ctx) + }() + + select { + case err := <-done: + if err != nil { + logger.L().Error("failed to add container to the container-profile cache", helpers.Error(err)) + } + case <-ctx.Done(): + logger.L().Error("timeout while adding container to the container-profile cache", + helpers.String("containerID", container.Runtime.ContainerID), + helpers.String("containerName", container.Runtime.ContainerName), + helpers.String("podName", container.K8s.PodName), + helpers.String("namespace", container.K8s.Namespace)) + } +} + +// addContainer builds and stores a cache entry for the container: fetches +// the ContainerProfile from storage, optionally fetches user-authored AP/NN +// CRDs, projects them onto a DeepCopy (or fast-paths via shared pointer), and +// builds the call-stack search tree. +func (c *ContainerProfileCacheImpl) addContainer(container *containercollection.Container, ctx context.Context) error { + containerID := container.Runtime.ContainerID + + return c.containerLocks.WithLockAndError(containerID, func() error { + sharedData, err := c.waitForSharedContainerData(containerID, ctx) + if err != nil { + logger.L().Error("failed to get shared data for container", + helpers.String("containerID", containerID), + helpers.Error(err)) + return err + } + + // Names we need: + // cpName = per-container stable slug, for the consolidated CP. + // Kept for forward-compat; current storage does not + // publish a queryable consolidated CP at this name, + // so we treat a 404 as "not yet". + // workloadName = per-workload stable slug, where the server-side + // aggregation publishes the ApplicationProfile and + // NetworkNeighborhood CRs. Legacy caches read these + // directly; the new cache does the same while the + // server-side consolidated-CP plumbing matures. + cpName, err := sharedData.InstanceID.GetSlug(false) + if err != nil { + logger.L().Error("failed to compute container profile slug", + helpers.String("containerID", containerID), + helpers.Error(err)) + return err + } + workloadName, err := sharedData.InstanceID.GetSlug(true) + if err != nil { + logger.L().Error("failed to compute workload profile slug", + helpers.String("containerID", containerID), + helpers.Error(err)) + return err + } + + if populated := c.tryPopulateEntry(ctx, containerID, container, sharedData, cpName, workloadName); !populated { + // No profile data available yet (neither consolidated CP nor + // workload AP/NN have landed in storage). Record a pending entry; + // the reconciler will retry each tick until data shows up or the + // container stops. This preserves the legacy periodic-scan + // recovery that kicked in when profiles were created after + // container-start. + c.pending.Set(containerID, &pendingContainer{ + container: container, + sharedData: sharedData, + cpName: cpName, + workloadName: workloadName, + }) + c.metricsManager.SetContainerProfileCacheEntries("pending", float64(c.pending.Len())) + } + return nil + }) +} + +// tryPopulateEntry issues the CP GET (plus any user-AP/NN overlay) and +// installs the cache entry on success. Returns true iff an entry was +// installed. Must be called while holding containerLocks.WithLock(id). +func (c *ContainerProfileCacheImpl) tryPopulateEntry( + ctx context.Context, + containerID string, + container *containercollection.Container, + sharedData *objectcache.WatchedContainerData, + cpName, workloadName string, +) bool { + ns := container.K8s.Namespace + + // Fetch consolidated ContainerProfile. The storage server aggregates the + // per-tick time-series CPs (written by containerprofilemanager at names + // ending in a random UUID suffix) into a consolidated CP at the stable + // name returned by GetSlug(false). Until that aggregation runs the Get + // returns 404 — we record pending and the reconciler retries on each + // tick. + var ( + cp *v1beta1.ContainerProfile + cpErr error + ) + _ = c.refreshRPC(ctx, func(rctx context.Context) error { + cp, cpErr = c.storageClient.GetContainerProfile(rctx, ns, cpName) + return cpErr + }) + if cpErr != nil { + logger.L().Debug("ContainerProfile not yet available", + helpers.String("containerID", containerID), + helpers.String("namespace", ns), + helpers.String("name", cpName), + helpers.Error(cpErr)) + cp = nil + } + + // Fetch user-managed AP / NN published at "ug-". Legacy + // caches auto-detected these via the `kubescape.io/managed-by: User` + // annotation and merged them on top of the base profile; we read them + // directly by their well-known name instead, avoiding a List and an + // annotation filter. Both are optional: nil on 404. + var userManagedAP *v1beta1.ApplicationProfile + var userManagedNN *v1beta1.NetworkNeighborhood + if workloadName != "" { + ugName := helpersv1.UserApplicationProfilePrefix + workloadName + var ugAPErr error + _ = c.refreshRPC(ctx, func(rctx context.Context) error { + userManagedAP, ugAPErr = c.storageClient.GetApplicationProfile(rctx, ns, ugName) + return ugAPErr + }) + if ugAPErr != nil { + logger.L().Debug("user-managed ApplicationProfile not available", + helpers.String("containerID", containerID), + helpers.String("namespace", ns), + helpers.String("name", ugName), + helpers.Error(ugAPErr)) + userManagedAP = nil + } + ugNNName := helpersv1.UserNetworkNeighborhoodPrefix + workloadName + var ugNNErr error + _ = c.refreshRPC(ctx, func(rctx context.Context) error { + userManagedNN, ugNNErr = c.storageClient.GetNetworkNeighborhood(rctx, ns, ugNNName) + return ugNNErr + }) + if ugNNErr != nil { + logger.L().Debug("user-managed NetworkNeighborhood not available", + helpers.String("containerID", containerID), + helpers.String("namespace", ns), + helpers.String("name", ugNNName), + helpers.Error(ugNNErr)) + userManagedNN = nil + } + } + + // Fix (reviewer #3): if the consolidated CP is still Partial and this + // container is not PreRunning (i.e. we saw it start fresh after the + // agent was already up), the partial view belongs to a PREVIOUS container + // incarnation. Legacy caches explicitly deleted such partials on restart + // so rule evaluation fell through to "no profile" until a new Full + // profile arrived. Mirror that: keep pending, retry each tick. + if !sharedData.PreRunningContainer { + if cp != nil && cp.Annotations[helpersv1.CompletionMetadataKey] == helpersv1.Partial { + cp = nil + } + } + + // Fetch user-authored legacy CRDs when the pod carries the + // UserDefinedProfileMetadataKey label. Fix (reviewer #2): fetch + // independently of the base-CP result, so a container that only has a + // user-defined profile still gets a cache entry. Recording the refs is + // gated on successful fetch here (otherwise the projection has no data + // to merge); the reconciler's refresh path re-fetches on each tick so + // transient failures are recovered. + var userAP *v1beta1.ApplicationProfile + var userNN *v1beta1.NetworkNeighborhood + overlayName, hasOverlay := container.K8s.PodLabels[helpersv1.UserDefinedProfileMetadataKey] + if hasOverlay && overlayName != "" { + var userAPErr error + _ = c.refreshRPC(ctx, func(rctx context.Context) error { + userAP, userAPErr = c.storageClient.GetApplicationProfile(rctx, ns, overlayName) + return userAPErr + }) + if userAPErr != nil { + logger.L().Debug("user-defined ApplicationProfile not available", + helpers.String("containerID", containerID), + helpers.String("namespace", ns), + helpers.String("name", overlayName), + helpers.Error(userAPErr)) + userAP = nil + } + var userNNErr error + _ = c.refreshRPC(ctx, func(rctx context.Context) error { + userNN, userNNErr = c.storageClient.GetNetworkNeighborhood(rctx, ns, overlayName) + return userNNErr + }) + if userNNErr != nil { + logger.L().Debug("user-defined NetworkNeighborhood not available", + helpers.String("containerID", containerID), + helpers.String("namespace", ns), + helpers.String("name", overlayName), + helpers.Error(userNNErr)) + userNN = nil + } + } + + // Need SOMETHING to cache. If we have nothing, stay pending and retry. + if cp == nil && userManagedAP == nil && userManagedNN == nil && userAP == nil && userNN == nil { + return false + } + + // When no consolidated CP is available, synthesize an empty CP named + // after the workload so downstream state display is sensible. Projection + // below merges user-managed + user-defined overlay onto this base. + if cp == nil { + syntheticName := workloadName + if syntheticName == "" { + syntheticName = overlayName + } + cp = &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: syntheticName, + Namespace: ns, + Annotations: map[string]string{ + helpersv1.CompletionMetadataKey: helpersv1.Full, + helpersv1.StatusMetadataKey: helpersv1.Completed, + }, + }, + } + } + + pod := c.k8sObjectCache.GetPod(container.K8s.Namespace, container.K8s.PodName) + if pod == nil { + logger.L().Debug("pod not found in k8s cache; skipping pod-aware merge checks", + helpers.String("containerID", containerID), + helpers.String("namespace", container.K8s.Namespace), + helpers.String("podName", container.K8s.PodName)) + } + + // User-managed projection pass (published at the + // "ug-" well-known name). Legacy caches auto-merged these + // in handleUserManagedProfile after detecting the managed-by annotation; + // here we always union in whatever's published at the convention name. + // This is what Test_12_MergingProfilesTest / Test_13_MergingNetworkNeighborhoodTest + // exercise: rules must alert on events absent from the merged base+user-managed + // profile. + userManagedApplied := userManagedAP != nil || userManagedNN != nil + if userManagedApplied { + projected, warnings := projectUserProfiles(cp, userManagedAP, userManagedNN, pod, container.Runtime.ContainerName) + cp = projected + c.emitOverlayMetrics(userManagedAP, userManagedNN, warnings) + } + + entry := c.buildEntry(cp, userAP, userNN, pod, container, sharedData, userManagedApplied) + // Override CPName with the real consolidated-CP slug. buildEntry sets + // CPName from cp.Name, but when cp was synthesized above (no consolidated + // CP in storage yet), cp.Name is the workloadName/overlayName — NOT the + // GetSlug(false) name refreshOneEntry must GET. Without this override, + // refresh queries the synthetic name, always 404s, and the fast-skip + // keeps the synthetic entry forever (stored RV is "" == absent-match). + entry.CPName = cpName + // Fill in user-managed bookkeeping so refreshOneEntry can re-fetch these + // sources on every tick. WorkloadName is the "ug-" lookup prefix. + entry.WorkloadName = workloadName + if userManagedAP != nil { + entry.UserManagedAPRV = userManagedAP.ResourceVersion + } + if userManagedNN != nil { + entry.UserManagedNNRV = userManagedNN.ResourceVersion + } + + // Fix (reviewer #2): when the overlay label is set, record UserAPRef / + // UserNNRef even if the initial fetch failed. The refresh loop uses + // these refs to re-fetch on every tick; without them, a transient 404 + // at add time would permanently lose the overlay. + if hasOverlay && overlayName != "" { + if entry.UserAPRef == nil { + entry.UserAPRef = &namespacedName{Namespace: ns, Name: overlayName} + } + if entry.UserNNRef == nil { + entry.UserNNRef = &namespacedName{Namespace: ns, Name: overlayName} + } + } + + c.entries.Set(containerID, entry) + c.pending.Delete(containerID) + c.metricsManager.SetContainerProfileCacheEntries("container", float64(c.entries.Len())) + c.metricsManager.SetContainerProfileCacheEntries("pending", float64(c.pending.Len())) + + logger.L().Debug("ContainerProfileCache - container added", + helpers.String("containerID", containerID), + helpers.String("namespace", container.K8s.Namespace), + helpers.String("podName", container.K8s.PodName), + helpers.String("cpName", cpName), + helpers.String("shared", fmt.Sprintf("%v", entry.Shared))) + return true +} + +// buildEntry constructs a CachedContainerProfile, choosing the fast-path +// (shared pointer, no user overlay) or projection path (DeepCopy + merge). +func (c *ContainerProfileCacheImpl) buildEntry( + cp *v1beta1.ContainerProfile, + userAP *v1beta1.ApplicationProfile, + userNN *v1beta1.NetworkNeighborhood, + pod *corev1.Pod, + container *containercollection.Container, + sharedData *objectcache.WatchedContainerData, + userManagedApplied bool, +) *CachedContainerProfile { + entry := &CachedContainerProfile{ + ContainerName: container.Runtime.ContainerName, + PodName: container.K8s.PodName, + Namespace: container.K8s.Namespace, + WorkloadID: sharedData.Wlid + "/" + sharedData.InstanceID.GetTemplateHash(), + CPName: cp.Name, + RV: cp.ResourceVersion, + } + if pod != nil { + entry.PodUID = string(pod.UID) + } + + if userAP == nil && userNN == nil && !userManagedApplied { + // Fast path: share the storage-fetched pointer. Profile is the raw + // storage object — callers must not mutate it. + entry.Profile = cp + entry.Shared = true + } else { + projected, warnings := projectUserProfiles(cp, userAP, userNN, pod, container.Runtime.ContainerName) + entry.Profile = projected + entry.Shared = false + + if userAP != nil { + entry.UserAPRef = &namespacedName{Namespace: userAP.Namespace, Name: userAP.Name} + entry.UserAPRV = userAP.ResourceVersion + } + if userNN != nil { + entry.UserNNRef = &namespacedName{Namespace: userNN.Namespace, Name: userNN.Name} + entry.UserNNRV = userNN.ResourceVersion + } + + c.emitOverlayMetrics(userAP, userNN, warnings) + } + + // Build call-stack search tree from entry.Profile.Spec.IdentifiedCallStacks. + // Shared path: do not mutate the storage-fetched pointer; call stacks + // stay in the profile but are never read through Profile (only through + // CallStackTree). + tree := callstackcache.NewCallStackSearchTree() + for _, stack := range entry.Profile.Spec.IdentifiedCallStacks { + tree.AddCallStack(stack) + } + entry.CallStackTree = tree + + // ProfileState from CP annotations (Completion/Status) + Name. + entry.State = &objectcache.ProfileState{ + Completion: cp.Annotations[helpersv1.CompletionMetadataKey], + Status: cp.Annotations[helpersv1.StatusMetadataKey], + Name: cp.Name, + } + + return entry +} + +// deleteContainer removes a container entry. The per-container lock entry is +// intentionally NOT released: Phase-4 review flagged a race where a concurrent +// addContainer can hold a reference to the old mutex while a subsequent +// GetLock creates a new one, breaking mutual exclusion. Memory cost is bounded +// by the node's container-ID churn (live containers + recently-deleted), so +// keeping stale lock entries is cheaper than getting the atomic-release right. +func (c *ContainerProfileCacheImpl) deleteContainer(id string) { + c.containerLocks.WithLock(id, func() { + c.entries.Delete(id) + c.pending.Delete(id) + }) + c.metricsManager.SetContainerProfileCacheEntries("container", float64(c.entries.Len())) + c.metricsManager.SetContainerProfileCacheEntries("pending", float64(c.pending.Len())) +} + +// GetContainerProfile returns the cached ContainerProfile pointer for a +// container, or nil if there is no entry. Reports a cache-hit metric. +func (c *ContainerProfileCacheImpl) GetContainerProfile(containerID string) *v1beta1.ContainerProfile { + if entry, ok := c.entries.Load(containerID); ok && entry != nil && entry.Profile != nil { + c.metricsManager.ReportContainerProfileCacheHit(true) + return entry.Profile + } + c.metricsManager.ReportContainerProfileCacheHit(false) + return nil +} + +// GetContainerProfileState returns the cached ProfileState for a container +// (completion/status/name). Returns a synthetic error state when the entry +// is missing. +func (c *ContainerProfileCacheImpl) GetContainerProfileState(containerID string) *objectcache.ProfileState { + if entry, ok := c.entries.Load(containerID); ok && entry != nil && entry.State != nil { + return entry.State + } + return &objectcache.ProfileState{ + Error: fmt.Errorf("container %s not found in container-profile cache", containerID), + } +} + +// GetCallStackSearchTree returns the cached call-stack index for a container, +// or nil if there is no entry or no tree. +func (c *ContainerProfileCacheImpl) GetCallStackSearchTree(containerID string) *callstackcache.CallStackSearchTree { + if entry, ok := c.entries.Load(containerID); ok && entry != nil { + return entry.CallStackTree + } + return nil +} + +// waitForSharedContainerData blocks until K8sObjectCache has shared data for +// the container (populated by containerwatcher) or ctx expires. +func (c *ContainerProfileCacheImpl) waitForSharedContainerData(containerID string, ctx context.Context) (*objectcache.WatchedContainerData, error) { + return backoff.Retry(ctx, func() (*objectcache.WatchedContainerData, error) { + if sharedData := c.k8sObjectCache.GetSharedContainerData(containerID); sharedData != nil { + return sharedData, nil + } + return nil, fmt.Errorf("container %s not found in shared data", containerID) + }, backoff.WithBackOff(backoff.NewExponentialBackOff())) +} + +// Ensure ContainerProfileCacheImpl implements the ContainerProfileCache interface. +var _ objectcache.ContainerProfileCache = (*ContainerProfileCacheImpl)(nil) diff --git a/pkg/objectcache/containerprofilecache/containerprofilecache_test.go b/pkg/objectcache/containerprofilecache/containerprofilecache_test.go new file mode 100644 index 0000000000..1cf039391d --- /dev/null +++ b/pkg/objectcache/containerprofilecache/containerprofilecache_test.go @@ -0,0 +1,331 @@ +package containerprofilecache + +import ( + "context" + "errors" + "testing" + "time" + + containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" + eventtypes "github.com/inspektor-gadget/inspektor-gadget/pkg/types" + instanceidhandlerV1 "github.com/kubescape/k8s-interface/instanceidhandler/v1" + helpersv1 "github.com/kubescape/k8s-interface/instanceidhandler/v1/helpers" + "github.com/kubescape/node-agent/pkg/config" + "github.com/kubescape/node-agent/pkg/objectcache" + "github.com/kubescape/node-agent/pkg/storage" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +// fakeProfileClient is a minimal storage.ProfileClient stub for tests. It +// always returns the same CP pointer (so the fast-path can be asserted via +// pointer equality). +type fakeProfileClient struct { + cp *v1beta1.ContainerProfile + ap *v1beta1.ApplicationProfile // returned for Get by ap.Name match (or any if overlayOnly is empty) + nn *v1beta1.NetworkNeighborhood + cpErr error + apErr error + nnErr error + + // userManagedAP / userManagedNN, when non-nil, are returned for any + // GetApplicationProfile / GetNetworkNeighborhood whose name starts with + // the "ug-" prefix (the convention used by legacy user-managed profiles). + // This lets tests exercise the user-managed merge path added for + // Test_12_MergingProfilesTest / Test_13_MergingNetworkNeighborhoodTest + // without fighting the overlayOnly restriction. + userManagedAP *v1beta1.ApplicationProfile + userManagedNN *v1beta1.NetworkNeighborhood + + // overlayOnly, if non-empty, restricts ap/nn returns to only the given + // name; other names return (nil, nil). Tests that mix workload-AP/NN + // with overlay-AP/NN use this to keep the fixture scoped. + overlayOnly string + + getCPCalls int +} + +var _ storage.ProfileClient = (*fakeProfileClient)(nil) + +func (f *fakeProfileClient) GetApplicationProfile(_ context.Context, _, name string) (*v1beta1.ApplicationProfile, error) { + if len(name) >= 3 && name[:3] == helpersv1.UserApplicationProfilePrefix { + return f.userManagedAP, nil + } + if f.overlayOnly != "" && name != f.overlayOnly { + return nil, nil + } + return f.ap, f.apErr +} +func (f *fakeProfileClient) GetNetworkNeighborhood(_ context.Context, _, name string) (*v1beta1.NetworkNeighborhood, error) { + if len(name) >= 3 && name[:3] == helpersv1.UserNetworkNeighborhoodPrefix { + return f.userManagedNN, nil + } + if f.overlayOnly != "" && name != f.overlayOnly { + return nil, nil + } + return f.nn, f.nnErr +} +func (f *fakeProfileClient) GetContainerProfile(_ context.Context, _, _ string) (*v1beta1.ContainerProfile, error) { + f.getCPCalls++ + return f.cp, f.cpErr +} +func (f *fakeProfileClient) ListApplicationProfiles(_ context.Context, _ string, _ int64, _ string) (*v1beta1.ApplicationProfileList, error) { + return &v1beta1.ApplicationProfileList{}, nil +} +func (f *fakeProfileClient) ListNetworkNeighborhoods(_ context.Context, _ string, _ int64, _ string) (*v1beta1.NetworkNeighborhoodList, error) { + return &v1beta1.NetworkNeighborhoodList{}, nil +} + +// newTestCache returns a cache wired with an in-memory K8sObjectCacheMock. +func newTestCache(t *testing.T, client storage.ProfileClient) (*ContainerProfileCacheImpl, *objectcache.K8sObjectCacheMock) { + t.Helper() + k8s := &objectcache.K8sObjectCacheMock{} + cfg := config.Config{ProfilesCacheRefreshRate: 30 * time.Second} + return NewContainerProfileCache(cfg, client, k8s, nil), k8s +} + +// primeSharedData stashes a WatchedContainerData so waitForSharedContainerData +// resolves instantly. It builds a real InstanceID from a pod because the cache +// code calls .GetOneTimeSlug and .GetTemplateHash on it. +func primeSharedData(t *testing.T, k8s *objectcache.K8sObjectCacheMock, containerID, wlid string) { + t.Helper() + ids, err := instanceidhandlerV1.GenerateInstanceIDFromPod(&corev1.Pod{ + ObjectMeta: metav1.ObjectMeta{Name: "nginx-abc", Namespace: "default"}, + Spec: corev1.PodSpec{ + Containers: []corev1.Container{{Name: "nginx", Image: "nginx:1.25"}}, + }, + Status: corev1.PodStatus{ + ContainerStatuses: []corev1.ContainerStatus{{Name: "nginx", ImageID: "sha256:deadbeef"}}, + }, + }) + require.NoError(t, err) + require.NotEmpty(t, ids) + k8s.SetSharedContainerData(containerID, &objectcache.WatchedContainerData{ + InstanceID: ids[0], + Wlid: wlid, + }) +} + +// eventContainer returns a minimal *containercollection.Container. +func eventContainer(id string) *containercollection.Container { + return &containercollection.Container{ + Runtime: containercollection.RuntimeMetadata{BasicRuntimeMetadata: eventtypes.BasicRuntimeMetadata{ + ContainerID: id, + ContainerName: "nginx", + ContainerPID: 42, + }}, + K8s: containercollection.K8sMetadata{BasicK8sMetadata: eventtypes.BasicK8sMetadata{ + Namespace: "default", + PodName: "nginx-abc", + }}, + } +} + +// TestSharedFastPath_NoOverlay verifies that two separate add calls for the +// same CP yield entries that share the very same *ContainerProfile pointer. +func TestSharedFastPath_NoOverlay(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-shared", + Namespace: "default", + ResourceVersion: "7", + Annotations: map[string]string{ + helpersv1.CompletionMetadataKey: helpersv1.Full, + helpersv1.StatusMetadataKey: helpersv1.Completed, + }, + }, + Spec: v1beta1.ContainerProfileSpec{ + Capabilities: []string{"NET_ADMIN"}, + }, + } + client := &fakeProfileClient{cp: cp} + c, k8s := newTestCache(t, client) + + ids := []string{"container-id-A", "container-id-B"} + for _, id := range ids { + primeSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + } + + entryA, okA := c.entries.Load(ids[0]) + entryB, okB := c.entries.Load(ids[1]) + require.True(t, okA) + require.True(t, okB) + assert.True(t, entryA.Shared, "fast path must mark entry Shared=true") + assert.True(t, entryB.Shared, "fast path must mark entry Shared=true") + assert.Same(t, entryA.Profile, entryB.Profile, "both entries must share the same storage-fetched pointer") + assert.Same(t, cp, entryA.Profile, "fast path must not DeepCopy") +} + +// TestOverlayPath_DeepCopies verifies that when userAP is present we build a +// distinct DeepCopy (pointer inequality with the storage-fetched cp) and mark +// Shared=false. +func TestOverlayPath_DeepCopies(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp-1", Namespace: "default", ResourceVersion: "1"}, + Spec: v1beta1.ContainerProfileSpec{Capabilities: []string{"SYS_PTRACE"}}, + } + userAP := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "override", Namespace: "default", ResourceVersion: "u1"}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Capabilities: []string{"NET_BIND_SERVICE"}, + }}, + }, + } + client := &fakeProfileClient{cp: cp, ap: userAP, overlayOnly: "override"} + c, k8s := newTestCache(t, client) + + id := "container-overlay" + primeSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + + ev := eventContainer(id) + ev.K8s.PodLabels = map[string]string{helpersv1.UserDefinedProfileMetadataKey: "override"} + require.NoError(t, c.addContainer(ev, context.Background())) + + entry, ok := c.entries.Load(id) + require.True(t, ok) + assert.False(t, entry.Shared, "overlay path must mark Shared=false") + assert.NotSame(t, cp, entry.Profile, "overlay path must DeepCopy, not share") + // Merged caps: base + user + assert.ElementsMatch(t, []string{"SYS_PTRACE", "NET_BIND_SERVICE"}, entry.Profile.Spec.Capabilities) + require.NotNil(t, entry.UserAPRef) + assert.Equal(t, "override", entry.UserAPRef.Name) + assert.Equal(t, "u1", entry.UserAPRV) +} + +// TestDeleteContainer_LockAndCleanup verifies that deleteContainer removes +// the entry and releases the per-container lock so a later Add re-uses a +// fresh mutex. +func TestDeleteContainer_LockAndCleanup(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp-delete", Namespace: "default", ResourceVersion: "1"}, + } + client := &fakeProfileClient{cp: cp} + c, k8s := newTestCache(t, client) + + id := "container-delete" + primeSharedData(t, k8s, id, "wlid://x") + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + require.True(t, c.containerLocks.HasLock(id), "lock should exist after add") + require.NotNil(t, c.GetContainerProfile(id)) + + c.deleteContainer(id) + assert.Nil(t, c.GetContainerProfile(id), "entry must be gone after delete") + // Phase-4 review fix: deleteContainer intentionally does NOT release the + // lock to avoid a race where a concurrent addContainer could hold a + // reference to a mutex that another caller re-creates after Delete. + // Memory cost is bounded by live+recently-deleted container IDs. + assert.True(t, c.containerLocks.HasLock(id), "lock is retained by design after delete") +} + +// TestContainerCallback_IgnoredContainer verifies IgnoreContainer short-circuits +// before any storage call is issued. +func TestContainerCallback_IgnoredContainer(t *testing.T) { + cp := &v1beta1.ContainerProfile{ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "1"}} + client := &fakeProfileClient{cp: cp} + c, _ := newTestCache(t, client) + c.cfg.ExcludeNamespaces = []string{"kube-system"} + + ev := containercollection.PubSubEvent{ + Type: containercollection.EventTypeAddContainer, + Container: &containercollection.Container{ + Runtime: containercollection.RuntimeMetadata{BasicRuntimeMetadata: eventtypes.BasicRuntimeMetadata{ + ContainerID: "ignored", ContainerPID: 42, ContainerName: "c", + }}, + K8s: containercollection.K8sMetadata{BasicK8sMetadata: eventtypes.BasicK8sMetadata{ + Namespace: "kube-system", PodName: "p", + }}, + }, + } + c.ContainerCallback(ev) + // Allow any mistakenly-spawned goroutine a brief window — none should run. + time.Sleep(20 * time.Millisecond) + assert.Equal(t, 0, client.getCPCalls, "IgnoreContainer must short-circuit before any storage call") +} + +// TestContainerCallback_HostContainer verifies that host containers do NOT +// trigger IgnoreContainer even when their namespace is in ExcludeNamespaces +// (host events carry namespace="host" after override, not the original one). +func TestContainerCallback_HostContainer(t *testing.T) { + cp := &v1beta1.ContainerProfile{ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "host", ResourceVersion: "1"}} + client := &fakeProfileClient{cp: cp} + c, _ := newTestCache(t, client) + // Even with every namespace excluded, host containers bypass the check. + c.cfg.ExcludeNamespaces = []string{"default", "host"} + + hostContainer := &containercollection.Container{ + Runtime: containercollection.RuntimeMetadata{BasicRuntimeMetadata: eventtypes.BasicRuntimeMetadata{ + ContainerID: "host-c", ContainerPID: 1, ContainerName: "host", + }}, + K8s: containercollection.K8sMetadata{BasicK8sMetadata: eventtypes.BasicK8sMetadata{ + Namespace: "default", PodName: "", + }}, + } + c.ContainerCallback(containercollection.PubSubEvent{Type: containercollection.EventTypeAddContainer, Container: hostContainer}) + // The callback dispatches a goroutine that will stall on backoff (no + // shared data is primed) — we only assert the callback returns without + // panic and did not short-circuit on IgnoreContainer. We cannot assert + // storage was called without racing the backoff; just confirm no panic. + time.Sleep(20 * time.Millisecond) +} + +// TestCallStackIndexBuiltFromProfile verifies that the call-stack tree is +// populated from CP.Spec.IdentifiedCallStacks and retrievable via +// GetCallStackSearchTree. +func TestCallStackIndexBuiltFromProfile(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp-stack", Namespace: "default", ResourceVersion: "1"}, + Spec: v1beta1.ContainerProfileSpec{ + IdentifiedCallStacks: []v1beta1.IdentifiedCallStack{ + { + CallID: "r1", + CallStack: v1beta1.CallStack{Root: v1beta1.CallStackNode{ + Frame: v1beta1.StackFrame{FileID: "f1", Lineno: "10"}, + Children: []v1beta1.CallStackNode{ + {Frame: v1beta1.StackFrame{FileID: "f2", Lineno: "20"}}, + }, + }}, + }, + }, + }, + } + client := &fakeProfileClient{cp: cp} + c, k8s := newTestCache(t, client) + + id := "c-stack" + primeSharedData(t, k8s, id, "wlid://x") + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + + tree := c.GetCallStackSearchTree(id) + require.NotNil(t, tree) + require.NotNil(t, tree.PathsByCallID) + _, hasCallID := tree.PathsByCallID["r1"] + assert.True(t, hasCallID, "call-stack tree must contain CallID 'r1' from CP") +} + +// TestGetContainerProfile_Miss sanity-checks the nil path returns nil and a +// synthetic error ProfileState (no panic). +func TestGetContainerProfile_Miss(t *testing.T) { + c, _ := newTestCache(t, &fakeProfileClient{}) + assert.Nil(t, c.GetContainerProfile("nope")) + state := c.GetContainerProfileState("nope") + require.NotNil(t, state) + require.Error(t, state.Error) +} + +// TestStorageError_NoEntry ensures storage errors don't panic and don't +// populate a cache entry. +func TestStorageError_NoEntry(t *testing.T) { + client := &fakeProfileClient{cpErr: errors.New("kaboom")} + c, k8s := newTestCache(t, client) + id := "c-err" + primeSharedData(t, k8s, id, "wlid://x") + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + _, ok := c.entries.Load(id) + assert.False(t, ok, "storage error must not create a cache entry") +} diff --git a/pkg/objectcache/containerprofilecache/export_test.go b/pkg/objectcache/containerprofilecache/export_test.go new file mode 100644 index 0000000000..c5277665c0 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/export_test.go @@ -0,0 +1,50 @@ +package containerprofilecache + +// export_test.go exposes internal symbols to the containerprofilecache_test +// package (the *_test.go files in this directory). Compiled only during +// `go test`; never included in the production binary. + +import "context" + +func (c *ContainerProfileCacheImpl) ReconcileOnce(ctx context.Context) { + c.reconcileOnce(ctx) +} + +func (c *ContainerProfileCacheImpl) SeedEntryForTest(containerID string, entry *CachedContainerProfile) { + c.entries.Set(containerID, entry) +} + +func (c *ContainerProfileCacheImpl) RefreshAllEntriesForTest(ctx context.Context) { + c.refreshAllEntries(ctx) +} + +// WarmContainerLocksForTest acquires and immediately releases each container +// lock, initialising the internal SafeMap before the concurrent phase to avoid +// the goradd/maps nil-check-before-lock initialisation race (SafeMap v1.3.0). +func (c *ContainerProfileCacheImpl) WarmContainerLocksForTest(ids []string) { + for _, id := range ids { + c.containerLocks.WithLock(id, func() {}) + } +} + +// WarmPendingForTest initialises the pending SafeMap via a Set+Delete cycle +// for each id, preventing the goradd/maps nil-check-before-lock race in +// SafeMap.Len / SafeMap.Delete during concurrent test phases. +func (c *ContainerProfileCacheImpl) WarmPendingForTest(ids []string) { + for _, id := range ids { + c.pending.Set(id, nil) + c.pending.Delete(id) + } +} + +// SeedEntryWithOverlayForTest seeds an entry with user AP and NN overlay refs. +// Pass empty strings to leave a ref nil. +func (c *ContainerProfileCacheImpl) SeedEntryWithOverlayForTest(containerID string, entry *CachedContainerProfile, apNS, apName, nnNS, nnName string) { + if apName != "" { + entry.UserAPRef = &namespacedName{Namespace: apNS, Name: apName} + } + if nnName != "" { + entry.UserNNRef = &namespacedName{Namespace: nnNS, Name: nnName} + } + c.entries.Set(containerID, entry) +} diff --git a/pkg/objectcache/containerprofilecache/init_eviction_test.go b/pkg/objectcache/containerprofilecache/init_eviction_test.go new file mode 100644 index 0000000000..b7f3535603 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/init_eviction_test.go @@ -0,0 +1,154 @@ +package containerprofilecache_test + +import ( + "context" + "testing" + "time" + + containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" + "github.com/kubescape/node-agent/pkg/config" + "github.com/kubescape/node-agent/pkg/objectcache" + cpc "github.com/kubescape/node-agent/pkg/objectcache/containerprofilecache" + "github.com/stretchr/testify/assert" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" +) + +// newCPCForEvictionTest wires up a ContainerProfileCacheImpl with the provided +// storage and k8s stubs for eviction testing. Start is NOT called so the +// reconciler goroutine never runs — tests drive ReconcileOnce directly. +func newCPCForEvictionTest(storage *stubStorage, k8s *stubK8sCache) *cpc.ContainerProfileCacheImpl { + cfg := config.Config{ProfilesCacheRefreshRate: 30 * time.Second} + return cpc.NewContainerProfileCache(cfg, storage, k8s, nil) +} + +// seedEntry builds and seeds a minimal CachedContainerProfile into the cache +// using the exported SeedEntryForTest hook. +func seedEntry(cache *cpc.ContainerProfileCacheImpl, containerID string, cp *v1beta1.ContainerProfile, containerName, podName, namespace, podUID string) { + entry := &cpc.CachedContainerProfile{ + Profile: cp, + State: &objectcache.ProfileState{Name: cp.Name}, + ContainerName: containerName, + PodName: podName, + Namespace: namespace, + PodUID: podUID, + CPName: cp.Name, + RV: cp.ResourceVersion, + Shared: true, + } + cache.SeedEntryForTest(containerID, entry) +} + +// TestInitContainerEvictionViaRemoveEvent — T2a. +// +// Pod has 1 init container (initID) + 1 regular container (regID), both seeded +// into the cache. Fire EventTypeRemoveContainer for the init container via +// ContainerCallback. Assert that the init entry is evicted and the regular +// entry is untouched. +func TestInitContainerEvictionViaRemoveEvent(t *testing.T) { + const ( + namespace = "default" + podName = "testpod" + initID = "init-container-id" + regID = "regular-container-id" + initName = "init-container" + regularName = "regular" + podUID = "pod-uid-t2a" + ) + + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-test", + Namespace: namespace, + ResourceVersion: "1", + }, + } + store := newFakeStorage(cp) + k8s := newFakeK8sCache() + cache := newCPCForEvictionTest(store, k8s) + + // Seed both containers directly — no goroutines, no races. + seedEntry(cache, initID, cp, initName, podName, namespace, podUID) + seedEntry(cache, regID, cp, regularName, podName, namespace, podUID) + + assert.NotNil(t, cache.GetContainerProfile(initID), "init container must be cached before eviction") + assert.NotNil(t, cache.GetContainerProfile(regID), "regular container must be cached before eviction") + + // Fire remove event for init container only. deleteContainer runs in a + // goroutine; wait for it to complete. + cache.ContainerCallback(containercollection.PubSubEvent{ + Type: containercollection.EventTypeRemoveContainer, + Container: makeTestContainer(initID, podName, namespace, initName), + }) + + // deleteContainer goroutine is very fast (just a map delete + lock release). + assert.Eventually(t, func() bool { + return cache.GetContainerProfile(initID) == nil + }, 3*time.Second, 10*time.Millisecond, "init container entry must be evicted after RemoveContainer event") + + // Regular container must survive. + assert.NotNil(t, cache.GetContainerProfile(regID), "regular container entry must remain after init eviction") +} + +// TestMissedRemoveEventEvictedByReconciler — T2b. +// +// Init container entry is seeded directly. Pod status is then flipped so the +// init container is no longer Running (simulating it finishing without a remove +// event). ReconcileOnce must evict the stale entry. +func TestMissedRemoveEventEvictedByReconciler(t *testing.T) { + const ( + namespace = "default" + podName = "testpod-reconcile" + initID = "init-container-reconcile" + initName = "init-container" + podUID = "pod-uid-reconcile" + ) + + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-reconcile", + Namespace: namespace, + ResourceVersion: "1", + }, + } + store := newFakeStorage(cp) + k8s := newFakeK8sCache() + + // Start: pod shows init container Running. + runningPod := makeTestPod(podName, namespace, podUID, + nil, + []corev1.ContainerStatus{{ + Name: initName, + ContainerID: "containerd://" + initID, + State: corev1.ContainerState{Running: &corev1.ContainerStateRunning{}}, + }}, + ) + k8s.setPod(namespace, podName, runningPod) + + cache := newCPCForEvictionTest(store, k8s) + + // Seed init container entry directly. + seedEntry(cache, initID, cp, initName, podName, namespace, podUID) + assert.NotNil(t, cache.GetContainerProfile(initID), "init container must be seeded before reconciler test") + + // Simulate init container finishing: flip status to Terminated, no remove event. + terminatedPod := makeTestPod(podName, namespace, podUID, + nil, + []corev1.ContainerStatus{{ + Name: initName, + ContainerID: "containerd://" + initID, + State: corev1.ContainerState{ + Terminated: &corev1.ContainerStateTerminated{ExitCode: 0}, + }, + }}, + ) + k8s.setPod(namespace, podName, terminatedPod) + + // Drive the reconciler directly — no tick loop running, no goroutines. + cache.ReconcileOnce(context.Background()) + + assert.Nil(t, cache.GetContainerProfile(initID), + "reconciler must evict init container entry when pod status shows Terminated") +} diff --git a/pkg/objectcache/containerprofilecache/integration_helpers_test.go b/pkg/objectcache/containerprofilecache/integration_helpers_test.go new file mode 100644 index 0000000000..4965f0c732 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/integration_helpers_test.go @@ -0,0 +1,143 @@ +// Integration/acceptance tests for the ContainerProfile cache unification +// (plan v2 §2.7 + §2.8 step 9). Shared test helpers for this package. +package containerprofilecache_test + +import ( + "context" + "sync" + + containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" + eventtypes "github.com/inspektor-gadget/inspektor-gadget/pkg/types" + "github.com/kubescape/node-agent/pkg/objectcache" + "github.com/kubescape/node-agent/pkg/storage" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/types" +) + +// makeTestContainer builds a minimal *containercollection.Container for use +// in ContainerCallback events. +func makeTestContainer(id, podName, namespace, containerName string) *containercollection.Container { + return &containercollection.Container{ + Runtime: containercollection.RuntimeMetadata{ + BasicRuntimeMetadata: eventtypes.BasicRuntimeMetadata{ + ContainerID: id, + ContainerName: containerName, + ContainerPID: 42, + }, + }, + K8s: containercollection.K8sMetadata{ + BasicK8sMetadata: eventtypes.BasicK8sMetadata{ + Namespace: namespace, + PodName: podName, + }, + }, + } +} + +// makeTestPod builds a *corev1.Pod with the provided container statuses. +func makeTestPod(name, namespace, uid string, containerStatuses []corev1.ContainerStatus, initStatuses []corev1.ContainerStatus) *corev1.Pod { + return &corev1.Pod{ + ObjectMeta: metav1.ObjectMeta{ + Name: name, + Namespace: namespace, + UID: types.UID(uid), + }, + Status: corev1.PodStatus{ + ContainerStatuses: containerStatuses, + InitContainerStatuses: initStatuses, + }, + } +} + +// stubStorage is a minimal storage.ProfileClient stub with settable responses. +type stubStorage struct { + mu sync.RWMutex + cp *v1beta1.ContainerProfile + ap *v1beta1.ApplicationProfile + nn *v1beta1.NetworkNeighborhood +} + +var _ storage.ProfileClient = (*stubStorage)(nil) + +func newFakeStorage(cp *v1beta1.ContainerProfile) *stubStorage { + return &stubStorage{cp: cp} +} + +func (s *stubStorage) GetContainerProfile(_ context.Context, _, _ string) (*v1beta1.ContainerProfile, error) { + s.mu.RLock() + defer s.mu.RUnlock() + return s.cp, nil +} + +func (s *stubStorage) GetApplicationProfile(_ context.Context, _, _ string) (*v1beta1.ApplicationProfile, error) { + s.mu.RLock() + defer s.mu.RUnlock() + return s.ap, nil +} + +func (s *stubStorage) GetNetworkNeighborhood(_ context.Context, _, _ string) (*v1beta1.NetworkNeighborhood, error) { + s.mu.RLock() + defer s.mu.RUnlock() + return s.nn, nil +} + +func (s *stubStorage) ListApplicationProfiles(_ context.Context, _ string, _ int64, _ string) (*v1beta1.ApplicationProfileList, error) { + return &v1beta1.ApplicationProfileList{}, nil +} + +func (s *stubStorage) ListNetworkNeighborhoods(_ context.Context, _ string, _ int64, _ string) (*v1beta1.NetworkNeighborhoodList, error) { + return &v1beta1.NetworkNeighborhoodList{}, nil +} + +// stubK8sCache is a controllable K8sObjectCache stub. +type stubK8sCache struct { + mu sync.RWMutex + pods map[string]*corev1.Pod + data map[string]*objectcache.WatchedContainerData +} + +var _ objectcache.K8sObjectCache = (*stubK8sCache)(nil) + +func newFakeK8sCache() *stubK8sCache { + return &stubK8sCache{ + pods: make(map[string]*corev1.Pod), + data: make(map[string]*objectcache.WatchedContainerData), + } +} + +func (k *stubK8sCache) setPod(namespace, podName string, pod *corev1.Pod) { + k.mu.Lock() + defer k.mu.Unlock() + k.pods[namespace+"/"+podName] = pod +} + +func (k *stubK8sCache) GetPod(namespace, podName string) *corev1.Pod { + k.mu.RLock() + defer k.mu.RUnlock() + return k.pods[namespace+"/"+podName] +} + +func (k *stubK8sCache) GetPodSpec(_, _ string) *corev1.PodSpec { return nil } +func (k *stubK8sCache) GetPodStatus(_, _ string) *corev1.PodStatus { return nil } +func (k *stubK8sCache) GetApiServerIpAddress() string { return "" } +func (k *stubK8sCache) GetPods() []*corev1.Pod { return nil } + +func (k *stubK8sCache) SetSharedContainerData(id string, d *objectcache.WatchedContainerData) { + k.mu.Lock() + defer k.mu.Unlock() + k.data[id] = d +} + +func (k *stubK8sCache) GetSharedContainerData(id string) *objectcache.WatchedContainerData { + k.mu.RLock() + defer k.mu.RUnlock() + return k.data[id] +} + +func (k *stubK8sCache) DeleteSharedContainerData(id string) { + k.mu.Lock() + defer k.mu.Unlock() + delete(k.data, id) +} diff --git a/pkg/objectcache/containerprofilecache/lock_stress_test.go b/pkg/objectcache/containerprofilecache/lock_stress_test.go new file mode 100644 index 0000000000..d690b94cf7 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/lock_stress_test.go @@ -0,0 +1,200 @@ +package containerprofilecache_test + +import ( + "context" + "math/rand" + "runtime" + "sync" + "testing" + "time" + + containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" + "github.com/kubescape/node-agent/pkg/config" + "github.com/kubescape/node-agent/pkg/objectcache" + cpc "github.com/kubescape/node-agent/pkg/objectcache/containerprofilecache" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + + instanceidhandlerV1 "github.com/kubescape/k8s-interface/instanceidhandler/v1" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" +) + +// TestLockStressAddEvictInterleaved — T7. +// +// 100 goroutines, each running 50 iterations of random seed/delete for a pool +// of 10 container IDs. Uses SeedEntryForTest + deleteContainer (via +// EventTypeRemoveContainer → deleteContainer path) to test the cache's +// per-container locking under concurrent interleaved add/evict. +// +// NOTE on race detector: goradd/maps v1.3.0 has a pre-existing data race in +// SafeMap.Load / SafeMap.Len (nil-check outside the read-lock vs Set +// initialization write). This race is present in pkg/resourcelocks own tests +// (TestConcurrentMultipleContainers fails with -race even before this commit). +// To avoid triggering that upstream race, all SafeMap instances are +// pre-warmed (via SeedEntryForTest) before the concurrent phase starts. +func TestLockStressAddEvictInterleaved(t *testing.T) { + const ( + namespace = "default" + podName = "stress-pod" + podUID = "stress-pod-uid" + numWorkers = 100 + numIters = 50 + poolSize = 10 + wlid = "wlid://cluster-test/namespace-default/deployment-stress" + ) + + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-stress", + Namespace: namespace, + ResourceVersion: "1", + }, + } + store := newFakeStorage(cp) + k8s := newFakeK8sCache() + + // Prime shared data for each container in the pool so that the internal + // waitForSharedContainerData path resolves if needed. + containerIDs := make([]string, poolSize) + for i := 0; i < poolSize; i++ { + id := "stress-container-" + itoa3(i) + containerIDs[i] = id + primeSharedDataForStress(t, k8s, id, podName, namespace, "container-"+itoa3(i), wlid) + } + + cfg := config.Config{ProfilesCacheRefreshRate: 30 * time.Second} + // Start is NOT called — no background reconciler goroutine runs. + cache := cpc.NewContainerProfileCache(cfg, store, k8s, nil) + + // Pre-warm all internal SafeMap instances before the concurrent phase to + // avoid triggering the goradd/maps nil-check-before-lock initialization + // race (pre-existing upstream bug in SafeMap.Load / SafeMap.Len). + // WarmContainerLocksForTest pre-initialises the containerLocks SafeMap; + // SeedEntryForTest pre-initialises the entries SafeMap; + // WarmPendingForTest pre-initialises the pending SafeMap (touched by + // deleteContainer via ContainerCallback(EventTypeRemoveContainer)). + cache.WarmContainerLocksForTest(containerIDs) + cache.WarmPendingForTest(containerIDs) + for _, id := range containerIDs { + cache.SeedEntryForTest(id, &cpc.CachedContainerProfile{ + Profile: cp, + State: &objectcache.ProfileState{Name: cp.Name}, + ContainerName: "container", + PodName: podName, + Namespace: namespace, + PodUID: podUID, + CPName: cp.Name, + RV: cp.ResourceVersion, + Shared: true, + }) + } + + baseline := runtime.NumGoroutine() + + ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second) + defer cancel() + + var wg sync.WaitGroup + wg.Add(numWorkers) + for w := 0; w < numWorkers; w++ { + go func(worker int) { + defer wg.Done() + r := rand.New(rand.NewSource(time.Now().UnixNano() + int64(worker))) + for iter := 0; iter < numIters; iter++ { + if ctx.Err() != nil { + return + } + id := containerIDs[r.Intn(poolSize)] + if r.Intn(2) == 0 { + // Add path: seed entry directly (no goroutine spawn, + // no backoff, no storage RPC — pure lock stress). + cache.SeedEntryForTest(id, &cpc.CachedContainerProfile{ + Profile: cp, + State: &objectcache.ProfileState{Name: cp.Name}, + ContainerName: "container", + PodName: podName, + Namespace: namespace, + PodUID: podUID, + CPName: cp.Name, + RV: cp.ResourceVersion, + Shared: true, + }) + } else { + // Evict path: use the production remove-event path so + // deleteContainer and per-container locking are exercised. + cache.ContainerCallback(containercollection.PubSubEvent{ + Type: containercollection.EventTypeRemoveContainer, + Container: makeTestContainer(id, podName, namespace, "container"), + }) + } + time.Sleep(time.Millisecond * time.Duration(r.Intn(2))) + } + }(w) + } + + done := make(chan struct{}) + go func() { + wg.Wait() + close(done) + }() + + select { + case <-done: + // all goroutines finished within budget + case <-ctx.Done(): + t.Fatal("TestLockStressAddEvictInterleaved timed out after 5s") + } + + // ContainerCallback(EventTypeRemoveContainer) spawns go deleteContainer(...) + // asynchronously, so those goroutines may still be running immediately after + // wg.Wait(). Poll briefly until they drain before asserting goroutine count. + drainDeadline := time.Now().Add(200 * time.Millisecond) + for runtime.NumGoroutine() > baseline+10 && time.Now().Before(drainDeadline) { + runtime.Gosched() + time.Sleep(5 * time.Millisecond) + } + runtime.GC() + assert.LessOrEqual(t, runtime.NumGoroutine(), baseline+10, + "goroutine count should stay near baseline (no leaked goroutines)") + + // Implicit: if any goroutine panicked the test would have already failed. + assert.True(t, true, "no panic occurred") +} + +// primeSharedDataForStress primes shared data for a container used in the +// stress test. +func primeSharedDataForStress(t *testing.T, k8s *stubK8sCache, containerID, podName, namespace, containerName, wlid string) { + t.Helper() + ids, err := instanceidhandlerV1.GenerateInstanceIDFromPod(&corev1.Pod{ + ObjectMeta: metav1.ObjectMeta{Name: podName, Namespace: namespace}, + Spec: corev1.PodSpec{ + Containers: []corev1.Container{{Name: containerName, Image: "nginx:1.25"}}, + }, + Status: corev1.PodStatus{ + ContainerStatuses: []corev1.ContainerStatus{{Name: containerName, ImageID: "sha256:deadbeef"}}, + }, + }) + require.NoError(t, err) + require.NotEmpty(t, ids) + k8s.SetSharedContainerData(containerID, &objectcache.WatchedContainerData{ + InstanceID: ids[0], + Wlid: wlid, + }) +} + +// itoa3 converts a small non-negative int to a string without strconv. +func itoa3(i int) string { + if i == 0 { + return "0" + } + buf := [10]byte{} + pos := len(buf) + for i > 0 { + pos-- + buf[pos] = byte('0' + i%10) + i /= 10 + } + return string(buf[pos:]) +} diff --git a/pkg/objectcache/containerprofilecache/metrics.go b/pkg/objectcache/containerprofilecache/metrics.go new file mode 100644 index 0000000000..3a3a48cee7 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/metrics.go @@ -0,0 +1,66 @@ +package containerprofilecache + +import ( + "fmt" + + "github.com/kubescape/go-logger" + "github.com/kubescape/go-logger/helpers" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" +) + +// Kind labels for ReportContainerProfileLegacyLoad and related metrics. +const ( + kindApplication = "application" + kindNetwork = "network" + + completenessFull = "full" + completenessPartial = "partial" +) + +// reportDeprecationWarn emits a one-shot WARN log for a user-authored legacy +// CRD (ApplicationProfile or NetworkNeighborhood) that was merged into the +// ContainerProfile. Dedup key is (kind, namespace, name, resourceVersion) so a +// single RV only logs once per process lifetime, even across many containers. +func (c *ContainerProfileCacheImpl) reportDeprecationWarn(kind, namespace, name, rv string, reason string) { + key := fmt.Sprintf("%s|%s/%s@%s", kind, namespace, name, rv) + if _, already := c.deprecationDedup.LoadOrStore(key, struct{}{}); already { + return + } + logger.L().Warning("ContainerProfileCache - user-authored legacy profile merged (deprecated)", + helpers.String("kind", kind), + helpers.String("namespace", namespace), + helpers.String("name", name), + helpers.String("resourceVersion", rv), + helpers.String("reason", reason)) +} + +// emitOverlayMetrics fires the per-kind completeness metric + deprecation WARN +// once per (kind, namespace, name, rv). Shared by addContainer's buildEntry +// and the reconciler's rebuildEntry so the two stay in lockstep. +func (c *ContainerProfileCacheImpl) emitOverlayMetrics( + userAP *v1beta1.ApplicationProfile, + userNN *v1beta1.NetworkNeighborhood, + warnings []partialProfileWarning, +) { + partialByKind := map[string]struct{}{} + for _, w := range warnings { + partialByKind[w.Kind] = struct{}{} + c.metricsManager.ReportContainerProfileLegacyLoad(w.Kind, completenessPartial) + c.reportDeprecationWarn(w.Kind, w.Namespace, w.Name, w.ResourceVersion, + fmt.Sprintf("pod has containers missing from user CRD: %v", w.MissingContainers)) + } + if userAP != nil { + if _, partial := partialByKind[kindApplication]; !partial { + c.metricsManager.ReportContainerProfileLegacyLoad(kindApplication, completenessFull) + } + c.reportDeprecationWarn(kindApplication, userAP.Namespace, userAP.Name, userAP.ResourceVersion, + "user-authored ApplicationProfile merged into ContainerProfile") + } + if userNN != nil { + if _, partial := partialByKind[kindNetwork]; !partial { + c.metricsManager.ReportContainerProfileLegacyLoad(kindNetwork, completenessFull) + } + c.reportDeprecationWarn(kindNetwork, userNN.Namespace, userNN.Name, userNN.ResourceVersion, + "user-authored NetworkNeighborhood merged into ContainerProfile") + } +} diff --git a/pkg/objectcache/containerprofilecache/packages_deleted_test.go b/pkg/objectcache/containerprofilecache/packages_deleted_test.go new file mode 100644 index 0000000000..3396e56d4c --- /dev/null +++ b/pkg/objectcache/containerprofilecache/packages_deleted_test.go @@ -0,0 +1,73 @@ +package containerprofilecache_test + +import ( + "strings" + "testing" + + "golang.org/x/tools/go/packages" +) + +// TestLegacyPackagesDeleted — T5. +// +// Walks the full dependency graph of ./... and asserts that neither of the +// deleted legacy cache packages appears as a reachable import path. Any +// surviving importer is listed in the failure message. +func TestLegacyPackagesDeleted(t *testing.T) { + const ( + legacyAP = "github.com/kubescape/node-agent/pkg/objectcache/applicationprofilecache" + legacyNN = "github.com/kubescape/node-agent/pkg/objectcache/networkneighborhoodcache" + ) + + cfg := &packages.Config{ + Mode: packages.NeedName | packages.NeedImports | packages.NeedDeps, + // Load from the module root so that ./... expands correctly. + Dir: "../../..", + } + + pkgs, err := packages.Load(cfg, "./...") + if err != nil { + t.Fatalf("packages.Load failed: %v", err) + } + + // Collect errors from the package loader (missing modules, parse errors, …). + var loadErrs []string + packages.Visit(pkgs, nil, func(p *packages.Package) { + for _, e := range p.Errors { + loadErrs = append(loadErrs, e.Msg) + } + }) + if len(loadErrs) > 0 { + // Non-fatal: the loader often emits spurious CGO / build-tag errors on + // CI. We only fail if we can't inspect any packages at all. + t.Logf("packages.Load reported %d non-fatal errors (first: %s)", len(loadErrs), loadErrs[0]) + } + + if len(pkgs) == 0 { + t.Fatal("packages.Load returned no packages — cannot verify legacy-path absence") + } + + // Build import-path → importing package map for the two legacy paths. + importers := map[string][]string{ + legacyAP: {}, + legacyNN: {}, + } + + packages.Visit(pkgs, func(p *packages.Package) bool { + for importPath := range p.Imports { + if importPath == legacyAP { + importers[legacyAP] = append(importers[legacyAP], p.PkgPath) + } + if importPath == legacyNN { + importers[legacyNN] = append(importers[legacyNN], p.PkgPath) + } + } + return true + }, nil) + + for legacy, importerList := range importers { + if len(importerList) > 0 { + t.Errorf("legacy package %q is still imported by:\n %s", + legacy, strings.Join(importerList, "\n ")) + } + } +} diff --git a/pkg/objectcache/containerprofilecache/projection.go b/pkg/objectcache/containerprofilecache/projection.go new file mode 100644 index 0000000000..1ff1bd1032 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/projection.go @@ -0,0 +1,339 @@ +package containerprofilecache + +import ( + "github.com/kubescape/node-agent/pkg/utils" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +// partialProfileWarning describes a user-authored legacy CRD that couldn't be +// fully merged into the ContainerProfile (e.g. the user CRD is missing entries +// for containers that exist in the pod spec). Emitted by the cache at merge +// time for deprecation observability. +type partialProfileWarning struct { + Kind string // "application" | "network" + Namespace string + Name string + ResourceVersion string + MissingContainers []string +} + +// projectUserProfiles overlays a user-authored ApplicationProfile and/or +// NetworkNeighborhood onto a base ContainerProfile for a single container. +// Returns a DeepCopy of the base with user fields merged in and a list of +// partial-merge warnings when the user CRD doesn't cover every container in +// the pod spec. +// +// cp MUST be non-nil. Either (or both) of userAP / userNN may be nil; nil +// user inputs contribute no merge but also no warning. pod may be nil, in +// which case the missing-container check is skipped (but the name-based +// per-container merge still runs). +func projectUserProfiles( + cp *v1beta1.ContainerProfile, + userAP *v1beta1.ApplicationProfile, + userNN *v1beta1.NetworkNeighborhood, + pod *corev1.Pod, + containerName string, +) (projected *v1beta1.ContainerProfile, warnings []partialProfileWarning) { + projected = cp.DeepCopy() + + if userAP != nil { + if missing := mergeApplicationProfile(projected, userAP, pod, containerName); len(missing) > 0 { + warnings = append(warnings, partialProfileWarning{ + Kind: kindApplication, + Namespace: userAP.Namespace, + Name: userAP.Name, + ResourceVersion: userAP.ResourceVersion, + MissingContainers: missing, + }) + } + } + + if userNN != nil { + if missing := mergeNetworkNeighborhood(projected, userNN, pod, containerName); len(missing) > 0 { + warnings = append(warnings, partialProfileWarning{ + Kind: kindNetwork, + Namespace: userNN.Namespace, + Name: userNN.Name, + ResourceVersion: userNN.ResourceVersion, + MissingContainers: missing, + }) + } + } + + return projected, warnings +} + +// mergeApplicationProfile finds the container entry in userAP matching +// containerName (across Spec.Containers / InitContainers / EphemeralContainers) +// and merges its fields into projected.Spec. Returns the list of pod-spec +// container names that are not present anywhere in userAP.Spec. +// +// ported from pkg/objectcache/applicationprofilecache/applicationprofilecache.go:660-673 +// (mergeContainer), applied here to a single-container ContainerProfile +// instead of a full ApplicationProfile. +func mergeApplicationProfile(projected *v1beta1.ContainerProfile, userAP *v1beta1.ApplicationProfile, pod *corev1.Pod, containerName string) []string { + // Defensive copy: slices inside matched (e.g. Execs[i].Args, Opens[i].Flags, + // Endpoints[i].Methods) would otherwise alias the caller's CRD object and + // could change if the CRD is refreshed concurrently. + userAP = userAP.DeepCopy() + if matched := findUserAPContainer(userAP, containerName); matched != nil { + projected.Spec.Capabilities = append(projected.Spec.Capabilities, matched.Capabilities...) + projected.Spec.Execs = append(projected.Spec.Execs, matched.Execs...) + projected.Spec.Opens = append(projected.Spec.Opens, matched.Opens...) + projected.Spec.Syscalls = append(projected.Spec.Syscalls, matched.Syscalls...) + projected.Spec.Endpoints = append(projected.Spec.Endpoints, matched.Endpoints...) + if projected.Spec.PolicyByRuleId == nil && len(matched.PolicyByRuleId) > 0 { + projected.Spec.PolicyByRuleId = make(map[string]v1beta1.RulePolicy, len(matched.PolicyByRuleId)) + } + for k, v := range matched.PolicyByRuleId { + if existing, ok := projected.Spec.PolicyByRuleId[k]; ok { + projected.Spec.PolicyByRuleId[k] = utils.MergePolicies(existing, v) + } else { + projected.Spec.PolicyByRuleId[k] = v + } + } + } + + return missingPodContainers(pod, userAPNames(userAP)) +} + +// mergeNetworkNeighborhood finds the container entry in userNN matching +// containerName and merges its Ingress/Egress into projected.Spec, then +// overlays the user CRD's pod LabelSelector onto projected's embedded +// LabelSelector. Returns missing-from-userNN pod container names. +// +// ported from pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go:560-636 +// (performMerge, mergeContainer, mergeNetworkNeighbors) applied to a single +// container's rules on a ContainerProfile. +func mergeNetworkNeighborhood(projected *v1beta1.ContainerProfile, userNN *v1beta1.NetworkNeighborhood, pod *corev1.Pod, containerName string) []string { + // Defensive copy: neighbor slices (DNSNames, Ports, MatchExpressions) and + // LabelSelector.MatchExpressions would otherwise alias the caller's CRD. + userNN = userNN.DeepCopy() + if matched := findUserNNContainer(userNN, containerName); matched != nil { + projected.Spec.Ingress = mergeNetworkNeighbors(projected.Spec.Ingress, matched.Ingress) + projected.Spec.Egress = mergeNetworkNeighbors(projected.Spec.Egress, matched.Egress) + } + + // Merge LabelSelector (ContainerProfileSpec embeds metav1.LabelSelector). + if userNN.Spec.LabelSelector.MatchLabels != nil { + if projected.Spec.LabelSelector.MatchLabels == nil { + projected.Spec.LabelSelector.MatchLabels = make(map[string]string) + } + for k, v := range userNN.Spec.LabelSelector.MatchLabels { + projected.Spec.LabelSelector.MatchLabels[k] = v + } + } + projected.Spec.LabelSelector.MatchExpressions = append( + projected.Spec.LabelSelector.MatchExpressions, + userNN.Spec.LabelSelector.MatchExpressions..., + ) + + return missingPodContainers(pod, userNNNames(userNN)) +} + +func findUserAPContainer(userAP *v1beta1.ApplicationProfile, containerName string) *v1beta1.ApplicationProfileContainer { + if userAP == nil { + return nil + } + for i := range userAP.Spec.Containers { + if userAP.Spec.Containers[i].Name == containerName { + return &userAP.Spec.Containers[i] + } + } + for i := range userAP.Spec.InitContainers { + if userAP.Spec.InitContainers[i].Name == containerName { + return &userAP.Spec.InitContainers[i] + } + } + for i := range userAP.Spec.EphemeralContainers { + if userAP.Spec.EphemeralContainers[i].Name == containerName { + return &userAP.Spec.EphemeralContainers[i] + } + } + return nil +} + +func findUserNNContainer(userNN *v1beta1.NetworkNeighborhood, containerName string) *v1beta1.NetworkNeighborhoodContainer { + if userNN == nil { + return nil + } + for i := range userNN.Spec.Containers { + if userNN.Spec.Containers[i].Name == containerName { + return &userNN.Spec.Containers[i] + } + } + for i := range userNN.Spec.InitContainers { + if userNN.Spec.InitContainers[i].Name == containerName { + return &userNN.Spec.InitContainers[i] + } + } + for i := range userNN.Spec.EphemeralContainers { + if userNN.Spec.EphemeralContainers[i].Name == containerName { + return &userNN.Spec.EphemeralContainers[i] + } + } + return nil +} + +func userAPNames(userAP *v1beta1.ApplicationProfile) map[string]struct{} { + names := map[string]struct{}{} + if userAP == nil { + return names + } + for _, c := range userAP.Spec.Containers { + names[c.Name] = struct{}{} + } + for _, c := range userAP.Spec.InitContainers { + names[c.Name] = struct{}{} + } + for _, c := range userAP.Spec.EphemeralContainers { + names[c.Name] = struct{}{} + } + return names +} + +func userNNNames(userNN *v1beta1.NetworkNeighborhood) map[string]struct{} { + names := map[string]struct{}{} + if userNN == nil { + return names + } + for _, c := range userNN.Spec.Containers { + names[c.Name] = struct{}{} + } + for _, c := range userNN.Spec.InitContainers { + names[c.Name] = struct{}{} + } + for _, c := range userNN.Spec.EphemeralContainers { + names[c.Name] = struct{}{} + } + return names +} + +// missingPodContainers returns the set of pod-spec container names that are +// not present in the given set. If pod is nil, returns nil (check skipped). +func missingPodContainers(pod *corev1.Pod, have map[string]struct{}) []string { + if pod == nil { + return nil + } + var missing []string + for _, c := range pod.Spec.Containers { + if _, ok := have[c.Name]; !ok { + missing = append(missing, c.Name) + } + } + for _, c := range pod.Spec.InitContainers { + if _, ok := have[c.Name]; !ok { + missing = append(missing, c.Name) + } + } + for _, c := range pod.Spec.EphemeralContainers { + if _, ok := have[c.Name]; !ok { + missing = append(missing, c.Name) + } + } + return missing +} + +// mergeNetworkNeighbors merges user neighbors into a normal-neighbor list, +// keyed by Identifier. ported from +// pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go:617-636. +func mergeNetworkNeighbors(normalNeighbors, userNeighbors []v1beta1.NetworkNeighbor) []v1beta1.NetworkNeighbor { + neighborMap := make(map[string]int, len(normalNeighbors)) + for i, neighbor := range normalNeighbors { + neighborMap[neighbor.Identifier] = i + } + for _, userNeighbor := range userNeighbors { + if idx, exists := neighborMap[userNeighbor.Identifier]; exists { + normalNeighbors[idx] = mergeNetworkNeighbor(normalNeighbors[idx], userNeighbor) + } else { + normalNeighbors = append(normalNeighbors, userNeighbor) + } + } + return normalNeighbors +} + +// mergeNetworkNeighbor merges a user-managed neighbor into an existing one. +// ported from +// pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go:638-706. +func mergeNetworkNeighbor(normal, user v1beta1.NetworkNeighbor) v1beta1.NetworkNeighbor { + merged := normal.DeepCopy() + + dnsNamesSet := make(map[string]struct{}) + for _, dns := range normal.DNSNames { + dnsNamesSet[dns] = struct{}{} + } + for _, dns := range user.DNSNames { + dnsNamesSet[dns] = struct{}{} + } + merged.DNSNames = make([]string, 0, len(dnsNamesSet)) + for dns := range dnsNamesSet { + merged.DNSNames = append(merged.DNSNames, dns) + } + + merged.Ports = mergeNetworkPorts(merged.Ports, user.Ports) + + if user.PodSelector != nil { + if merged.PodSelector == nil { + merged.PodSelector = &metav1.LabelSelector{} + } + if user.PodSelector.MatchLabels != nil { + if merged.PodSelector.MatchLabels == nil { + merged.PodSelector.MatchLabels = make(map[string]string) + } + for k, v := range user.PodSelector.MatchLabels { + merged.PodSelector.MatchLabels[k] = v + } + } + merged.PodSelector.MatchExpressions = append( + merged.PodSelector.MatchExpressions, + user.PodSelector.MatchExpressions..., + ) + } + + if user.NamespaceSelector != nil { + if merged.NamespaceSelector == nil { + merged.NamespaceSelector = &metav1.LabelSelector{} + } + if user.NamespaceSelector.MatchLabels != nil { + if merged.NamespaceSelector.MatchLabels == nil { + merged.NamespaceSelector.MatchLabels = make(map[string]string) + } + for k, v := range user.NamespaceSelector.MatchLabels { + merged.NamespaceSelector.MatchLabels[k] = v + } + } + merged.NamespaceSelector.MatchExpressions = append( + merged.NamespaceSelector.MatchExpressions, + user.NamespaceSelector.MatchExpressions..., + ) + } + + if user.IPAddress != "" { + merged.IPAddress = user.IPAddress + } + if user.Type != "" { + merged.Type = user.Type + } + + return *merged +} + +// mergeNetworkPorts merges user ports into a normal-ports list, keyed by Name. +// ported from +// pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go:708-727. +func mergeNetworkPorts(normalPorts, userPorts []v1beta1.NetworkPort) []v1beta1.NetworkPort { + portMap := make(map[string]int, len(normalPorts)) + for i, port := range normalPorts { + portMap[port.Name] = i + } + for _, userPort := range userPorts { + if idx, exists := portMap[userPort.Name]; exists { + normalPorts[idx] = userPort + } else { + normalPorts = append(normalPorts, userPort) + } + } + return normalPorts +} diff --git a/pkg/objectcache/containerprofilecache/projection_test.go b/pkg/objectcache/containerprofilecache/projection_test.go new file mode 100644 index 0000000000..85b106ee01 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/projection_test.go @@ -0,0 +1,222 @@ +package containerprofilecache + +import ( + "testing" + + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +func baseCP() *v1beta1.ContainerProfile { + return &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "1"}, + Spec: v1beta1.ContainerProfileSpec{ + Capabilities: []string{"SYS_PTRACE"}, + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/ls", Args: []string{"-la"}}, + }, + PolicyByRuleId: map[string]v1beta1.RulePolicy{ + "R0901": {AllowedProcesses: []string{"ls"}}, + }, + Ingress: []v1beta1.NetworkNeighbor{ + {Identifier: "ing-1", DNSNames: []string{"a.svc.local"}}, + }, + }, + } +} + +func podWith(containers ...string) *corev1.Pod { + var cs []corev1.Container + for _, n := range containers { + cs = append(cs, corev1.Container{Name: n}) + } + return &corev1.Pod{Spec: corev1.PodSpec{Containers: cs}} +} + +// TestProjection_UserAPOnly_Match verifies the happy-path merge of a matching +// user AP container: capabilities / execs / policies merged, no warnings. +func TestProjection_UserAPOnly_Match(t *testing.T) { + cp := baseCP() + userAP := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "ua", Namespace: "default", ResourceVersion: "u1"}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Capabilities: []string{"NET_BIND_SERVICE"}, + Execs: []v1beta1.ExecCalls{{Path: "/bin/cat"}}, + PolicyByRuleId: map[string]v1beta1.RulePolicy{ + "R0901": {AllowedProcesses: []string{"cat"}}, + "R0902": {AllowedProcesses: []string{"echo"}}, + }, + }}, + }, + } + pod := podWith("nginx") + + projected, warnings := projectUserProfiles(cp, userAP, nil, pod, "nginx") + require.NotNil(t, projected) + assert.Empty(t, warnings) + assert.NotSame(t, cp, projected, "projected must be a distinct DeepCopy") + assert.ElementsMatch(t, []string{"SYS_PTRACE", "NET_BIND_SERVICE"}, projected.Spec.Capabilities) + assert.Len(t, projected.Spec.Execs, 2) + // R0901 merged, R0902 added + assert.Contains(t, projected.Spec.PolicyByRuleId, "R0901") + assert.Contains(t, projected.Spec.PolicyByRuleId, "R0902") +} + +// TestProjection_UserNNOnly_Match verifies merge of matching NN container: +// ingress merged by Identifier, LabelSelector MatchLabels overlaid. +func TestProjection_UserNNOnly_Match(t *testing.T) { + cp := baseCP() + cp.Spec.LabelSelector = metav1.LabelSelector{MatchLabels: map[string]string{"app": "nginx"}} + userNN := &v1beta1.NetworkNeighborhood{ + ObjectMeta: metav1.ObjectMeta{Name: "un", Namespace: "default", ResourceVersion: "n1"}, + Spec: v1beta1.NetworkNeighborhoodSpec{ + LabelSelector: metav1.LabelSelector{ + MatchLabels: map[string]string{"env": "prod"}, + }, + Containers: []v1beta1.NetworkNeighborhoodContainer{{ + Name: "nginx", + Ingress: []v1beta1.NetworkNeighbor{ + {Identifier: "ing-1", DNSNames: []string{"b.svc.local"}}, + {Identifier: "ing-2", DNSNames: []string{"c.svc.local"}}, + }, + }}, + }, + } + pod := podWith("nginx") + + projected, warnings := projectUserProfiles(cp, nil, userNN, pod, "nginx") + require.NotNil(t, projected) + assert.Empty(t, warnings) + require.Len(t, projected.Spec.Ingress, 2) + // ing-1 merged (DNSNames union) + var merged v1beta1.NetworkNeighbor + for _, ing := range projected.Spec.Ingress { + if ing.Identifier == "ing-1" { + merged = ing + break + } + } + assert.ElementsMatch(t, []string{"a.svc.local", "b.svc.local"}, merged.DNSNames) + // LabelSelector overlaid + assert.Equal(t, "nginx", projected.Spec.LabelSelector.MatchLabels["app"]) + assert.Equal(t, "prod", projected.Spec.LabelSelector.MatchLabels["env"]) +} + +// TestProjection_Both verifies both AP and NN can overlay in a single call. +func TestProjection_Both(t *testing.T) { + cp := baseCP() + userAP := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "ua", Namespace: "default", ResourceVersion: "u1"}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Capabilities: []string{"NET_ADMIN"}, + }}, + }, + } + userNN := &v1beta1.NetworkNeighborhood{ + ObjectMeta: metav1.ObjectMeta{Name: "un", Namespace: "default", ResourceVersion: "n1"}, + Spec: v1beta1.NetworkNeighborhoodSpec{ + Containers: []v1beta1.NetworkNeighborhoodContainer{{ + Name: "nginx", + Ingress: []v1beta1.NetworkNeighbor{{Identifier: "ing-new"}}, + }}, + }, + } + pod := podWith("nginx") + + projected, warnings := projectUserProfiles(cp, userAP, userNN, pod, "nginx") + require.NotNil(t, projected) + assert.Empty(t, warnings) + assert.Contains(t, projected.Spec.Capabilities, "NET_ADMIN") + // Original ing-1 plus appended ing-new + assert.Len(t, projected.Spec.Ingress, 2) +} + +// TestProjection_UserAP_NonMatchingContainer verifies that when the user CRD +// doesn't include the target container name, no merge happens — but missing +// pod containers still produce a warning. +func TestProjection_UserAP_NonMatchingContainer(t *testing.T) { + cp := baseCP() + userAP := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "ua", Namespace: "default", ResourceVersion: "u1"}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "other", // not "nginx" + Capabilities: []string{"NET_BIND_SERVICE"}, + }}, + }, + } + pod := podWith("nginx", "sidecar") + + projected, warnings := projectUserProfiles(cp, userAP, nil, pod, "nginx") + require.NotNil(t, projected) + // No merge because no container matched "nginx" + assert.ElementsMatch(t, []string{"SYS_PTRACE"}, projected.Spec.Capabilities) + require.Len(t, warnings, 1) + assert.Equal(t, kindApplication, warnings[0].Kind) + assert.ElementsMatch(t, []string{"nginx", "sidecar"}, warnings[0].MissingContainers) +} + +// TestProjection_UserAP_PartialContainers verifies that when the user AP has +// one container but the pod has two, we emit a partial warning naming the +// missing pod container. +func TestProjection_UserAP_PartialContainers(t *testing.T) { + cp := baseCP() + userAP := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "ua", Namespace: "default", ResourceVersion: "u1"}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Capabilities: []string{"NET_BIND_SERVICE"}, + }}, + }, + } + pod := podWith("nginx", "sidecar") + + projected, warnings := projectUserProfiles(cp, userAP, nil, pod, "nginx") + require.NotNil(t, projected) + // Target container merged. + assert.Contains(t, projected.Spec.Capabilities, "NET_BIND_SERVICE") + require.Len(t, warnings, 1) + assert.Equal(t, kindApplication, warnings[0].Kind) + assert.Equal(t, []string{"sidecar"}, warnings[0].MissingContainers) +} + +// TestProjection_NoUserCRDs verifies projection with neither user CRD returns +// a DeepCopy (distinct pointer) and no warnings. +func TestProjection_NoUserCRDs(t *testing.T) { + cp := baseCP() + pod := podWith("nginx") + + projected, warnings := projectUserProfiles(cp, nil, nil, pod, "nginx") + require.NotNil(t, projected) + assert.Empty(t, warnings) + assert.NotSame(t, cp, projected) + assert.Equal(t, cp.Spec.Capabilities, projected.Spec.Capabilities) +} + +// TestProjection_NilPod verifies the merge still runs when pod is nil; the +// missing-container check is skipped (no warning emitted for partial). +func TestProjection_NilPod(t *testing.T) { + cp := baseCP() + userAP := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "ua", Namespace: "default", ResourceVersion: "u1"}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Capabilities: []string{"NET_BIND_SERVICE"}, + }}, + }, + } + + projected, warnings := projectUserProfiles(cp, userAP, nil, nil, "nginx") + require.NotNil(t, projected) + assert.Empty(t, warnings) + assert.Contains(t, projected.Spec.Capabilities, "NET_BIND_SERVICE") +} diff --git a/pkg/objectcache/containerprofilecache/reconciler.go b/pkg/objectcache/containerprofilecache/reconciler.go new file mode 100644 index 0000000000..29c0307af3 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/reconciler.go @@ -0,0 +1,565 @@ +// Package containerprofilecache — reconciler.go +// +// The reconciler is the safety-net eviction path AND the freshness refresh +// loop. Each tick it: +// 1. reconcileOnce: evicts cache entries whose pod is gone or whose +// container is no longer Running. +// 2. refreshAllEntries (single-flight via atomic flag): re-fetches the +// consolidated CP, the workload-level AP+NN, the user-managed +// "ug-" AP+NN, and any label-referenced user AP/NN overlay, +// then rebuilds the projection iff any resourceVersion changed. Fast-skip +// when every RV matches what's already cached. +// +// RPC cost @ 300 containers / 30s cadence steady-state: up to 7 gets per +// entry per tick (CP + 3×AP + 3×NN). At 300 entries that's 70 RPC/s in the +// worst case, dropping close to 0 once fast-skip catches on. Most entries +// carry only workload-level AP+NN, so the common case is 3 RPC/tick per +// entry = 30 RPC/s. +package containerprofilecache + +import ( + "context" + "time" + + "github.com/kubescape/go-logger" + "github.com/kubescape/go-logger/helpers" + helpersv1 "github.com/kubescape/k8s-interface/instanceidhandler/v1/helpers" + "github.com/kubescape/node-agent/pkg/objectcache" + "github.com/kubescape/node-agent/pkg/objectcache/callstackcache" + "github.com/kubescape/node-agent/pkg/utils" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +// tickLoop drives the reconciler. Evict runs synchronously on the tick; +// refresh runs on a single-flight goroutine guarded by refreshInProgress so a +// slow refresh never stacks. +func (c *ContainerProfileCacheImpl) tickLoop(ctx context.Context) { + if c.reconcileEvery == 0 { + c.reconcileEvery = defaultReconcileInterval + } + logger.L().Info("ContainerProfileCache reconciler started", + helpers.String("interval", c.reconcileEvery.String())) + ticker := time.NewTicker(c.reconcileEvery) + defer ticker.Stop() + for { + select { + case <-ctx.Done(): + logger.L().Info("ContainerProfileCache reconciler stopped") + return + case <-ticker.C: + start := time.Now() + entriesBefore := c.entries.Len() + pendingBefore := c.pending.Len() + c.reconcileOnce(ctx) + c.retryPendingEntries(ctx) + // Emit the debug breadcrumb only when something actually moved: + // entries delta != 0 OR pending delta != 0. Keeping the log gated + // avoids flooding the journal with identical zero-delta ticks while + // still leaving the observability hook for the test-regression + // investigations that motivated the log. + entriesAfter := c.entries.Len() + pendingAfter := c.pending.Len() + if entriesBefore != entriesAfter || pendingBefore != pendingAfter { + logger.L().Debug("ContainerProfileCache reconciler tick", + helpers.Int("entries_before", entriesBefore), + helpers.Int("entries_after", entriesAfter), + helpers.Int("pending_before", pendingBefore), + helpers.Int("pending_after", pendingAfter)) + } + c.metricsManager.ReportContainerProfileReconcilerDuration("evict", time.Since(start)) + if c.refreshInProgress.CompareAndSwap(false, true) { + go func() { + defer c.refreshInProgress.Store(false) + c.refreshAllEntries(ctx) + }() + } + } + } +} + +// reconcileOnce evicts cache entries whose container is no longer Running. +// Exposed (lowercase but package-public) for tests. +func (c *ContainerProfileCacheImpl) reconcileOnce(ctx context.Context) { + var toEvict []string + c.entries.Range(func(id string, e *CachedContainerProfile) bool { + if ctx.Err() != nil { // delta #3: honor cancellation mid-range + return false + } + pod := c.k8sObjectCache.GetPod(e.Namespace, e.PodName) + if pod == nil { + // Pod not yet in k8s cache (or briefly absent during watch + // resync). Do NOT evict — the pod cache routinely lags the + // ContainerCallback Add events by tens of seconds on busy nodes, + // and evicting here would churn every entry every tick until the + // cache catches up. Cleanup for terminated containers flows + // through deleteContainer on EventTypeRemoveContainer. + return true + } + // Only evict when the pod IS in cache AND the container has clearly + // exited (Terminated state). "Not yet Running" (Waiting state) is + // NOT a reason to evict — init containers and pre-running containers + // legitimately pass through Waiting before transitioning to Running. + if isContainerTerminated(pod, e, id) { + toEvict = append(toEvict, id) + } + return true + }) + for _, id := range toEvict { + c.containerLocks.WithLock(id, func() { + c.entries.Delete(id) + }) + // See deleteContainer comment on why we don't ReleaseLock here. + c.metricsManager.ReportContainerProfileReconcilerEviction("pod_stopped") + } + + // NOTE: we intentionally do NOT GC pending entries based on pod state. + // A previous version dropped pending entries when GetPod returned nil or + // the container wasn't yet Running — but the k8s pod cache and container + // statuses lag the containerwatcher Add event by tens of seconds on busy + // nodes, so the GC dropped every pending entry before retries had a + // chance to succeed. Cleanup for terminated containers flows through + // deleteContainer (EventTypeRemoveContainer) which clears both entries + // and pending atomically. Memory growth from stuck-pending entries is + // bounded by the node's container churn. + + c.metricsManager.SetContainerProfileCacheEntries("total", float64(c.entries.Len())) + c.metricsManager.SetContainerProfileCacheEntries("pending", float64(c.pending.Len())) +} + +// isContainerRunning reports whether the container identified by `id` (the +// cache key, a trimmed containerID) or by (e.ContainerName, e.PodUID) is in +// State=Running in the pod's container/initContainer/ephemeralContainer +// statuses. +// +// Pre-running init containers can appear with an empty ContainerID in the +// status (kubelet hasn't published it yet). In that case we fall back to +// matching on (Name, PodUID) so we don't prematurely evict the entry the +// instant it's populated. +// isContainerTerminated reports whether the container identified by `id` or +// by (e.ContainerName, e.PodUID) has a Terminated state in the pod's +// container/initContainer/ephemeralContainer statuses. This is stricter than +// "not Running": a container in Waiting state is NOT considered terminated. +// Used by reconcileOnce as the eviction signal. +func isContainerTerminated(pod *corev1.Pod, e *CachedContainerProfile, id string) bool { + statuses := make([]corev1.ContainerStatus, 0, + len(pod.Status.ContainerStatuses)+ + len(pod.Status.InitContainerStatuses)+ + len(pod.Status.EphemeralContainerStatuses)) + statuses = append(statuses, pod.Status.ContainerStatuses...) + statuses = append(statuses, pod.Status.InitContainerStatuses...) + statuses = append(statuses, pod.Status.EphemeralContainerStatuses...) + for _, s := range statuses { + if s.ContainerID == "" { + if s.Name == e.ContainerName && string(pod.UID) == e.PodUID { + return s.State.Terminated != nil + } + continue + } + if utils.TrimRuntimePrefix(s.ContainerID) == id { + return s.State.Terminated != nil + } + } + // Container not found in any status list. If no statuses have been + // published yet (kubelet lag on a brand-new pod), do NOT evict — the + // empty list is indistinguishable from a fully-reaped container otherwise. + if len(statuses) == 0 { + return false + } + // Statuses were published but this container is absent: it was reaped. + return true +} + +func isContainerRunning(pod *corev1.Pod, e *CachedContainerProfile, id string) bool { + statuses := make([]corev1.ContainerStatus, 0, + len(pod.Status.ContainerStatuses)+ + len(pod.Status.InitContainerStatuses)+ + len(pod.Status.EphemeralContainerStatuses)) + statuses = append(statuses, pod.Status.ContainerStatuses...) + statuses = append(statuses, pod.Status.InitContainerStatuses...) + statuses = append(statuses, pod.Status.EphemeralContainerStatuses...) + for _, s := range statuses { + if s.ContainerID == "" { + // pre-running init container: match by (Name, PodUID) + if s.Name == e.ContainerName && string(pod.UID) == e.PodUID { + return s.State.Running != nil + } + continue + } + if utils.TrimRuntimePrefix(s.ContainerID) == id { + return s.State.Running != nil + } + } + return false +} + +// refreshAllEntries re-fetches CP + user AP/NN for each cache entry and +// updates the projection if any ResourceVersion changed. Fast-skip when RV + +// UserAPRV + UserNNRV all match (delta #4). Exposed for tests. +func (c *ContainerProfileCacheImpl) refreshAllEntries(ctx context.Context) { + start := time.Now() + defer func() { + c.metricsManager.ReportContainerProfileReconcilerDuration("refresh", time.Since(start)) + }() + // Snapshot first to avoid holding SafeMap's RLock while refreshOneEntry + // writes back via Set (which needs the write lock). + type snapshot struct { + id string + e *CachedContainerProfile + } + var work []snapshot + c.entries.Range(func(id string, e *CachedContainerProfile) bool { + if ctx.Err() != nil { // delta #3 + return false + } + work = append(work, snapshot{id: id, e: e}) + return true + }) + for _, w := range work { + if ctx.Err() != nil { + return + } + c.containerLocks.WithLock(w.id, func() { + c.refreshOneEntry(ctx, w.id, w.e) + }) + } +} + +// refreshOneEntry refreshes a single cache entry under the per-container lock. +// Re-fetches ALL sources the entry was originally built from (consolidated CP, +// workload-level AP/NN, user-managed AP/NN at "ug-", and any +// label-referenced user AP/NN overlay) and rebuilds the projection if ANY +// ResourceVersion changed. Keeping the existing entry on fetch errors is fine: +// the next tick will retry. +// +// Rebuild on refresh applies the same projection ladder as tryPopulateEntry: +// +// base CP → workload AP+NN → user-managed (ug-) AP+NN → user overlay AP+NN. +// +// We intentionally DO NOT re-apply the partial-on-non-PreRunning gate here: +// any entry that survived addContainer already passed that gate (or was +// PreRunning), so refresh can accept partial profiles freely. (Fix B for +// Test_17 / Test_19: the workload AP/NN must be re-fetched each tick so a +// "ready" -> "completed" transition propagates to ProfileState.Status, which +// in turn promotes fail_on_profile from false to true.) +func (c *ContainerProfileCacheImpl) refreshOneEntry(ctx context.Context, id string, e *CachedContainerProfile) { + // Resurrection guard (reviewer #1): refreshAllEntries snapshots entries + // without holding containerLocks, so a concurrent deleteContainer / + // reconcile-evict may have removed the entry between snapshot and lock + // acquisition. If so, bail; otherwise the rebuild's c.entries.Set would + // resurrect a dead container. + if _, still := c.entries.Load(id); !still { + return + } + + ns := e.Namespace + + // Re-fetch all sources. CP fetch errors (including 404) are treated as + // "not available right now" — mirroring tryPopulateEntry's behavior. We + // leave cp=nil and rely on the RV-match fast-skip below to preserve the + // existing entry when nothing has changed. This is what lets refresh + // pick up workload-level AP/NN transitions ("ready" -> "completed") even + // while the storage-side consolidated CP remains unpublished. + var cp *v1beta1.ContainerProfile + var cpErr error + _ = c.refreshRPC(ctx, func(rctx context.Context) error { + cp, cpErr = c.storageClient.GetContainerProfile(rctx, ns, e.CPName) + return cpErr + }) + if cpErr != nil { + // If the previous entry was built off a real CP (non-empty RV), a + // CP fetch error on this tick is transient — keep the entry as-is. + // If the entry never had a CP (RV == "", pure workload/user-managed + // build), treat the error as 404 and let workload/user-managed + // re-fetches drive any refresh. + if e.RV != "" { + logger.L().Debug("refreshOneEntry: CP fetch failed; keeping cached entry", + helpers.String("containerID", id), + helpers.String("cpName", e.CPName), + helpers.Error(cpErr)) + return + } + logger.L().Debug("refreshOneEntry: CP fetch failed (no prior CP); treating as not-available", + helpers.String("containerID", id), + helpers.String("cpName", e.CPName), + helpers.Error(cpErr)) + cp = nil + } + var userManagedAP *v1beta1.ApplicationProfile + var userManagedNN *v1beta1.NetworkNeighborhood + if e.WorkloadName != "" { + ugAPName := helpersv1.UserApplicationProfilePrefix + e.WorkloadName + var userManagedAPErr error + _ = c.refreshRPC(ctx, func(rctx context.Context) error { + userManagedAP, userManagedAPErr = c.storageClient.GetApplicationProfile(rctx, ns, ugAPName) + return userManagedAPErr + }) + if userManagedAPErr != nil && e.UserManagedAPRV != "" { + logger.L().Debug("refreshOneEntry: user-managed AP fetch failed; keeping cached entry", + helpers.String("containerID", id), + helpers.String("name", ugAPName), + helpers.Error(userManagedAPErr)) + return + } + if userManagedAPErr != nil { + userManagedAP = nil // k8s client returns non-nil zero-value on 404; treat as absent + } + ugNNName := helpersv1.UserNetworkNeighborhoodPrefix + e.WorkloadName + var userManagedNNErr error + _ = c.refreshRPC(ctx, func(rctx context.Context) error { + userManagedNN, userManagedNNErr = c.storageClient.GetNetworkNeighborhood(rctx, ns, ugNNName) + return userManagedNNErr + }) + if userManagedNNErr != nil && e.UserManagedNNRV != "" { + logger.L().Debug("refreshOneEntry: user-managed NN fetch failed; keeping cached entry", + helpers.String("containerID", id), + helpers.String("name", ugNNName), + helpers.Error(userManagedNNErr)) + return + } + if userManagedNNErr != nil { + userManagedNN = nil + } + } + var userAP *v1beta1.ApplicationProfile + var userNN *v1beta1.NetworkNeighborhood + if e.UserAPRef != nil { + var userAPErr error + _ = c.refreshRPC(ctx, func(rctx context.Context) error { + userAP, userAPErr = c.storageClient.GetApplicationProfile(rctx, e.UserAPRef.Namespace, e.UserAPRef.Name) + return userAPErr + }) + if userAPErr != nil && e.UserAPRV != "" { + logger.L().Debug("refreshOneEntry: user-defined AP fetch failed; keeping cached entry", + helpers.String("containerID", id), + helpers.String("name", e.UserAPRef.Name), + helpers.Error(userAPErr)) + return + } + if userAPErr != nil { + userAP = nil + } + } + if e.UserNNRef != nil { + var userNNErr error + _ = c.refreshRPC(ctx, func(rctx context.Context) error { + userNN, userNNErr = c.storageClient.GetNetworkNeighborhood(rctx, e.UserNNRef.Namespace, e.UserNNRef.Name) + return userNNErr + }) + if userNNErr != nil && e.UserNNRV != "" { + logger.L().Debug("refreshOneEntry: user-defined NN fetch failed; keeping cached entry", + helpers.String("containerID", id), + helpers.String("name", e.UserNNRef.Name), + helpers.Error(userNNErr)) + return + } + if userNNErr != nil { + userNN = nil + } + } + + // Fast-skip when nothing changed. We match "absent" (nil) with empty RV: + // this avoids spurious rebuilds when an optional source is still missing, + // as long as it was also missing at the last build. + if rvsMatchCP(cp, e.RV) && + rvsMatchAP(userManagedAP, e.UserManagedAPRV) && + rvsMatchNN(userManagedNN, e.UserManagedNNRV) && + rvsMatchAP(userAP, e.UserAPRV) && + rvsMatchNN(userNN, e.UserNNRV) { + return + } + + c.rebuildEntryFromSources(id, e, cp, userManagedAP, userManagedNN, userAP, userNN) +} + +// rvsMatchCP, rvsMatchAP, rvsMatchNN return true when either (a) the object is +// absent and the stored RV is empty, or (b) the object is present and its RV +// matches the stored RV. This lets fast-skip treat "still missing" as a match. +func rvsMatchCP(obj *v1beta1.ContainerProfile, rv string) bool { + if obj == nil { + return rv == "" + } + return obj.ResourceVersion == rv +} +func rvsMatchAP(obj *v1beta1.ApplicationProfile, rv string) bool { + if obj == nil { + return rv == "" + } + return obj.ResourceVersion == rv +} +func rvsMatchNN(obj *v1beta1.NetworkNeighborhood, rv string) bool { + if obj == nil { + return rv == "" + } + return obj.ResourceVersion == rv +} + +// rebuildEntryFromSources constructs a fresh CachedContainerProfile from the +// given sources and stores it under `id`. Applies the projection ladder from +// tryPopulateEntry: base CP (or synthesized) → user-managed (ug-) AP+NN → +// label-referenced user overlay AP+NN. +// +// Called by the reconciler when any input ResourceVersion has changed. +func (c *ContainerProfileCacheImpl) rebuildEntryFromSources( + id string, + prev *CachedContainerProfile, + cp *v1beta1.ContainerProfile, + userManagedAP *v1beta1.ApplicationProfile, + userManagedNN *v1beta1.NetworkNeighborhood, + userAP *v1beta1.ApplicationProfile, + userNN *v1beta1.NetworkNeighborhood, +) { + pod := c.k8sObjectCache.GetPod(prev.Namespace, prev.PodName) + + // Backfill PodUID when the entry was originally added before the pod + // appeared in the k8s cache. An empty PodUID on a pre-running init + // container (where the pod-status ContainerID is also empty) makes + // isContainerTerminated's (Name, PodUID) fallback match zero and treat + // the entry as terminated on the next eviction pass. Healing it here + // lets the next reconcileOnce correctly classify the container. + podUID := prev.PodUID + if podUID == "" && pod != nil { + podUID = string(pod.UID) + } + + // When the consolidated CP is absent but we still have user-managed / + // user-defined overlays to project, synthesize an empty base so + // downstream state display is sensible. + effectiveCP := cp + if effectiveCP == nil { + syntheticName := prev.WorkloadName + if syntheticName == "" { + syntheticName = prev.CPName + } + effectiveCP = &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: syntheticName, + Namespace: prev.Namespace, + Annotations: map[string]string{ + helpersv1.CompletionMetadataKey: helpersv1.Full, + helpersv1.StatusMetadataKey: helpersv1.Completed, + }, + }, + } + } + + projected := effectiveCP + // Ladder pass #1: user-managed "ug-" AP + NN. + if userManagedAP != nil || userManagedNN != nil { + p, warnings := projectUserProfiles(projected, userManagedAP, userManagedNN, pod, prev.ContainerName) + projected = p + c.emitOverlayMetrics(userManagedAP, userManagedNN, warnings) + } + // Ladder pass #2: label-referenced user overlay AP + NN. + shared := userAP == nil && userNN == nil && + userManagedAP == nil && userManagedNN == nil && + cp != nil + var userWarnings []partialProfileWarning + if userAP != nil || userNN != nil { + p, w := projectUserProfiles(projected, userAP, userNN, pod, prev.ContainerName) + projected = p + userWarnings = w + } + c.emitOverlayMetrics(userAP, userNN, userWarnings) + + // Rebuild the call-stack search tree from the projected profile. + tree := callstackcache.NewCallStackSearchTree() + for _, stack := range projected.Spec.IdentifiedCallStacks { + tree.AddCallStack(stack) + } + + newEntry := &CachedContainerProfile{ + Profile: projected, + State: &objectcache.ProfileState{Completion: effectiveCP.Annotations[helpersv1.CompletionMetadataKey], Status: effectiveCP.Annotations[helpersv1.StatusMetadataKey], Name: effectiveCP.Name}, + CallStackTree: tree, + ContainerName: prev.ContainerName, + PodName: prev.PodName, + Namespace: prev.Namespace, + PodUID: podUID, + WorkloadID: prev.WorkloadID, + CPName: prev.CPName, + WorkloadName: prev.WorkloadName, + Shared: shared, + RV: rvOfCP(cp), + UserManagedAPRV: rvOfAP(userManagedAP), + UserManagedNNRV: rvOfNN(userManagedNN), + UserAPRV: rvOfAP(userAP), + UserNNRV: rvOfNN(userNN), + } + if userAP != nil { + newEntry.UserAPRef = &namespacedName{Namespace: userAP.Namespace, Name: userAP.Name} + } else if prev.UserAPRef != nil { + // Preserve the ref so subsequent ticks still know to re-fetch the + // overlay (e.g. transient fetch error during this tick). + newEntry.UserAPRef = prev.UserAPRef + } + if userNN != nil { + newEntry.UserNNRef = &namespacedName{Namespace: userNN.Namespace, Name: userNN.Name} + } else if prev.UserNNRef != nil { + newEntry.UserNNRef = prev.UserNNRef + } + + c.entries.Set(id, newEntry) +} + +// rvOfCP / rvOfAP / rvOfNN return the object's ResourceVersion or "" when nil. +// Separate typed versions avoid the Go nil-interface trap where a typed-nil +// pointer wrapped in an interface is not == nil. +func rvOfCP(o *v1beta1.ContainerProfile) string { + if o == nil { + return "" + } + return o.ResourceVersion +} +func rvOfAP(o *v1beta1.ApplicationProfile) string { + if o == nil { + return "" + } + return o.ResourceVersion +} +func rvOfNN(o *v1beta1.NetworkNeighborhood) string { + if o == nil { + return "" + } + return o.ResourceVersion +} + +// retryPendingEntries re-issues GetContainerProfile for every containerID that +// was seen on ContainerCallback(Add) but whose CP was not yet in storage. On +// success the entry is promoted into the main cache and removed from pending. +// Exposed for tests. +// +// This preserves the legacy-cache behavior where the periodic "ListProfiles" +// tick recovered containers whose CP showed up after container-start. Without +// this retry, a container whose CP is created asynchronously (the normal +// path, since containerprofilemanager creates the CP after observing behavior) +// would never enter the cache. See component-test regression analysis at +// .omc/plans/containerprofile-cache-component-test-findings.md. +func (c *ContainerProfileCacheImpl) retryPendingEntries(ctx context.Context) { + type snap struct { + id string + p *pendingContainer + } + var work []snap + c.pending.Range(func(id string, p *pendingContainer) bool { + if ctx.Err() != nil { + return false + } + work = append(work, snap{id: id, p: p}) + return true + }) + for _, w := range work { + if ctx.Err() != nil { + return + } + c.containerLocks.WithLock(w.id, func() { + // Double-check pending still contains this id (could have been + // promoted or dropped by a concurrent path). + if _, still := c.pending.Load(w.id); !still { + return + } + c.tryPopulateEntry(ctx, w.id, w.p.container, w.p.sharedData, w.p.cpName, w.p.workloadName) + }) + } +} diff --git a/pkg/objectcache/containerprofilecache/reconciler_test.go b/pkg/objectcache/containerprofilecache/reconciler_test.go new file mode 100644 index 0000000000..0bdf92f180 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/reconciler_test.go @@ -0,0 +1,1199 @@ +package containerprofilecache + +import ( + "context" + "sync" + "sync/atomic" + "testing" + "time" + + helpersv1 "github.com/kubescape/k8s-interface/instanceidhandler/v1/helpers" + "github.com/kubescape/node-agent/pkg/config" + "github.com/kubescape/node-agent/pkg/metricsmanager" + "github.com/kubescape/node-agent/pkg/objectcache" + "github.com/kubescape/node-agent/pkg/storage" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + corev1 "k8s.io/api/core/v1" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" + "k8s.io/apimachinery/pkg/types" +) + +// controllableK8sCache is a K8sObjectCache stub whose GetPod can be scripted +// per (namespace, podName) and whose invocation count is observable for the +// cancellation test. The unexported methods required by the interface are +// implemented as no-ops. +type controllableK8sCache struct { + pods map[string]*corev1.Pod + podHook func(namespace, podName string) *corev1.Pod // optional override + calls atomic.Int64 +} + +var _ objectcache.K8sObjectCache = (*controllableK8sCache)(nil) + +func newControllableK8sCache() *controllableK8sCache { + return &controllableK8sCache{pods: map[string]*corev1.Pod{}} +} + +func (k *controllableK8sCache) setPod(namespace, podName string, pod *corev1.Pod) { + k.pods[namespace+"/"+podName] = pod +} + +func (k *controllableK8sCache) GetPod(namespace, podName string) *corev1.Pod { + k.calls.Add(1) + if k.podHook != nil { + return k.podHook(namespace, podName) + } + if p, ok := k.pods[namespace+"/"+podName]; ok { + return p + } + return nil +} +func (k *controllableK8sCache) GetPodSpec(_, _ string) *corev1.PodSpec { return nil } +func (k *controllableK8sCache) GetPodStatus(_, _ string) *corev1.PodStatus { return nil } +func (k *controllableK8sCache) GetApiServerIpAddress() string { return "" } +func (k *controllableK8sCache) GetPods() []*corev1.Pod { return nil } +func (k *controllableK8sCache) SetSharedContainerData(_ string, _ *objectcache.WatchedContainerData) { +} +func (k *controllableK8sCache) GetSharedContainerData(_ string) *objectcache.WatchedContainerData { + return nil +} +func (k *controllableK8sCache) DeleteSharedContainerData(_ string) {} + +// countingProfileClient tracks per-method RPC counts so tests can assert +// fast-skip behavior. +type countingProfileClient struct { + cp *v1beta1.ContainerProfile + ap *v1beta1.ApplicationProfile + nn *v1beta1.NetworkNeighborhood + + cpCalls atomic.Int64 + apCalls atomic.Int64 + nnCalls atomic.Int64 +} + +var _ storage.ProfileClient = (*countingProfileClient)(nil) + +func (f *countingProfileClient) GetContainerProfile(_ context.Context, _, _ string) (*v1beta1.ContainerProfile, error) { + f.cpCalls.Add(1) + return f.cp, nil +} +func (f *countingProfileClient) GetApplicationProfile(_ context.Context, _, _ string) (*v1beta1.ApplicationProfile, error) { + f.apCalls.Add(1) + return f.ap, nil +} +func (f *countingProfileClient) GetNetworkNeighborhood(_ context.Context, _, _ string) (*v1beta1.NetworkNeighborhood, error) { + f.nnCalls.Add(1) + return f.nn, nil +} +func (f *countingProfileClient) ListApplicationProfiles(_ context.Context, _ string, _ int64, _ string) (*v1beta1.ApplicationProfileList, error) { + return &v1beta1.ApplicationProfileList{}, nil +} +func (f *countingProfileClient) ListNetworkNeighborhoods(_ context.Context, _ string, _ int64, _ string) (*v1beta1.NetworkNeighborhoodList, error) { + return &v1beta1.NetworkNeighborhoodList{}, nil +} + +// countingMetrics tallies ReportContainerProfileLegacyLoad calls so the T8 +// end-to-end test can assert the overlay refresh re-emits the full-load signal. +type countingMetrics struct { + metricsmanager.MetricsMock + mu sync.Mutex + legacyLoads map[string]int // key = kind+"|"+completeness + evictions map[string]int + entriesByKnd map[string]float64 +} + +func newCountingMetrics() *countingMetrics { + return &countingMetrics{ + legacyLoads: map[string]int{}, + evictions: map[string]int{}, + entriesByKnd: map[string]float64{}, + } +} +func (m *countingMetrics) ReportContainerProfileLegacyLoad(kind, completeness string) { + m.mu.Lock() + defer m.mu.Unlock() + m.legacyLoads[kind+"|"+completeness]++ +} +func (m *countingMetrics) ReportContainerProfileReconcilerEviction(reason string) { + m.mu.Lock() + defer m.mu.Unlock() + m.evictions[reason]++ +} +func (m *countingMetrics) SetContainerProfileCacheEntries(kind string, count float64) { + m.mu.Lock() + defer m.mu.Unlock() + m.entriesByKnd[kind] = count +} +func (m *countingMetrics) legacyLoad(kind, completeness string) int { + m.mu.Lock() + defer m.mu.Unlock() + return m.legacyLoads[kind+"|"+completeness] +} +func (m *countingMetrics) eviction(reason string) int { + m.mu.Lock() + defer m.mu.Unlock() + return m.evictions[reason] +} + +// newReconcilerCache returns a cache wired with a controllable k8s cache and +// a counting profile client. Tests drive reconcileOnce / refreshAllEntries +// directly. +func newReconcilerCache(t *testing.T, client storage.ProfileClient, k8s objectcache.K8sObjectCache, metrics metricsmanager.MetricsManager) *ContainerProfileCacheImpl { + t.Helper() + cfg := config.Config{ProfilesCacheRefreshRate: 30 * time.Second} + return NewContainerProfileCache(cfg, client, k8s, metrics) +} + +// newEntry makes a CachedContainerProfile for tests without going through +// addContainer (which requires priming shared data + instance-id machinery). +func newEntry(cp *v1beta1.ContainerProfile, containerName, podName, namespace, podUID string) *CachedContainerProfile { + return &CachedContainerProfile{ + Profile: cp, + State: &objectcache.ProfileState{Name: cp.Name}, + ContainerName: containerName, + PodName: podName, + Namespace: namespace, + PodUID: podUID, + CPName: cp.Name, + RV: cp.ResourceVersion, + Shared: true, + } +} + +// TestReconcilerKeepsEntryWhenPodMissing — entry whose pod returns nil is +// retained (not evicted). The k8s pod cache routinely lags container events +// on busy nodes; evicting on "pod not found" churned every entry per tick. +// Cleanup for terminated containers flows through deleteContainer. +func TestReconcilerKeepsEntryWhenPodMissing(t *testing.T) { + cp := &v1beta1.ContainerProfile{ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "1"}} + client := &countingProfileClient{cp: cp} + k8s := newControllableK8sCache() // GetPod returns nil for everything + metrics := newCountingMetrics() + c := newReconcilerCache(t, client, k8s, metrics) + + id := "c1" + c.entries.Set(id, newEntry(cp, "nginx", "nginx-abc", "default", "uid-1")) + + c.reconcileOnce(context.Background()) + + assert.NotNil(t, c.GetContainerProfile(id), "entry must be retained when pod is missing from cache") + assert.Equal(t, 0, metrics.eviction("pod_stopped"), "no eviction when pod is absent") +} + +// TestReconcilerEvictsTerminatedContainer — entry whose container has +// clearly transitioned to Terminated state IS evicted. +func TestReconcilerEvictsTerminatedContainer(t *testing.T) { + cp := &v1beta1.ContainerProfile{ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "1"}} + client := &countingProfileClient{cp: cp} + k8s := newControllableK8sCache() + id := "terminated123" + k8s.setPod("default", "nginx-abc", &corev1.Pod{ + ObjectMeta: metav1.ObjectMeta{Name: "nginx-abc", Namespace: "default", UID: types.UID("uid-1")}, + Status: corev1.PodStatus{ContainerStatuses: []corev1.ContainerStatus{{ + Name: "nginx", + ContainerID: "containerd://" + id, + State: corev1.ContainerState{Terminated: &corev1.ContainerStateTerminated{ExitCode: 0}}, + }}}, + }) + metrics := newCountingMetrics() + c := newReconcilerCache(t, client, k8s, metrics) + c.entries.Set(id, newEntry(cp, "nginx", "nginx-abc", "default", "uid-1")) + + c.reconcileOnce(context.Background()) + + assert.Nil(t, c.GetContainerProfile(id), "terminated container entry must be evicted") + assert.Equal(t, 1, metrics.eviction("pod_stopped"), "should report one eviction") +} + +// TestReconcilerKeepsWaitingContainer — entry whose container is in Waiting +// state (e.g. newly-started or pre-running init container with empty ID) +// must NOT be evicted. +func TestReconcilerKeepsWaitingContainer(t *testing.T) { + cp := &v1beta1.ContainerProfile{ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "1"}} + client := &countingProfileClient{cp: cp} + k8s := newControllableK8sCache() + id := "waitingabc" + k8s.setPod("default", "nginx-abc", &corev1.Pod{ + ObjectMeta: metav1.ObjectMeta{Name: "nginx-abc", Namespace: "default", UID: types.UID("uid-1")}, + Status: corev1.PodStatus{ContainerStatuses: []corev1.ContainerStatus{{ + Name: "nginx", + ContainerID: "containerd://" + id, + State: corev1.ContainerState{Waiting: &corev1.ContainerStateWaiting{Reason: "ContainerCreating"}}, + }}}, + }) + metrics := newCountingMetrics() + c := newReconcilerCache(t, client, k8s, metrics) + c.entries.Set(id, newEntry(cp, "nginx", "nginx-abc", "default", "uid-1")) + + c.reconcileOnce(context.Background()) + + assert.NotNil(t, c.GetContainerProfile(id), "waiting container entry must be retained") + assert.Equal(t, 0, metrics.eviction("pod_stopped"), "no eviction for Waiting state") +} + +// TestReconcilerKeepsRunningContainer — entry is kept when pod has a Running +// container status matching `id`. +func TestReconcilerKeepsRunningContainer(t *testing.T) { + cp := &v1beta1.ContainerProfile{ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "1"}} + client := &countingProfileClient{cp: cp} + k8s := newControllableK8sCache() + id := "abc123" + k8s.setPod("default", "nginx-abc", &corev1.Pod{ + ObjectMeta: metav1.ObjectMeta{Name: "nginx-abc", Namespace: "default", UID: types.UID("uid-1")}, + Status: corev1.PodStatus{ContainerStatuses: []corev1.ContainerStatus{{ + Name: "nginx", + ContainerID: "containerd://" + id, + State: corev1.ContainerState{Running: &corev1.ContainerStateRunning{}}, + }}}, + }) + metrics := newCountingMetrics() + c := newReconcilerCache(t, client, k8s, metrics) + c.entries.Set(id, newEntry(cp, "nginx", "nginx-abc", "default", "uid-1")) + + c.reconcileOnce(context.Background()) + + assert.NotNil(t, c.GetContainerProfile(id), "running container entry must remain") + assert.Equal(t, 0, metrics.eviction("pod_stopped"), "should not evict a running entry") +} + +// TestIsContainerRunning_PreRunningInitWithEmptyContainerID — T2c from the +// plan risks. Pre-running init container publishes an empty ContainerID, so +// we fall back to (Name, PodUID) matching. +func TestIsContainerRunning_PreRunningInitWithEmptyContainerID(t *testing.T) { + pod := &corev1.Pod{ + ObjectMeta: metav1.ObjectMeta{UID: types.UID("pod-uid-123")}, + Status: corev1.PodStatus{InitContainerStatuses: []corev1.ContainerStatus{{ + Name: "init-1", + ContainerID: "", // not published yet + State: corev1.ContainerState{Running: &corev1.ContainerStateRunning{}}, + }}}, + } + entry := &CachedContainerProfile{ContainerName: "init-1", PodUID: "pod-uid-123"} + assert.True(t, isContainerRunning(pod, entry, "init-cid"), + "pre-running init container with empty ContainerID must match on (Name, PodUID)") +} + +// TestIsContainerRunning_ContainerIDMatchTakesPriority — the containerd:// etc +// prefix is stripped before comparing against the cache key. +func TestIsContainerRunning_ContainerIDMatchTakesPriority(t *testing.T) { + pod := &corev1.Pod{ + ObjectMeta: metav1.ObjectMeta{UID: types.UID("pod-uid-123")}, + Status: corev1.PodStatus{ContainerStatuses: []corev1.ContainerStatus{{ + Name: "nginx", + ContainerID: "docker://abc", + State: corev1.ContainerState{Running: &corev1.ContainerStateRunning{}}, + }}}, + } + entry := &CachedContainerProfile{ContainerName: "nginx", PodUID: "pod-uid-123"} + assert.True(t, isContainerRunning(pod, entry, "abc"), "docker:// prefix should be stripped") + assert.False(t, isContainerRunning(pod, entry, "zzz"), "id mismatch should return false") +} + +// TestIsContainerRunning_NotRunning — container exists but is Terminated. +func TestIsContainerRunning_NotRunning(t *testing.T) { + pod := &corev1.Pod{ + ObjectMeta: metav1.ObjectMeta{UID: types.UID("pod-uid-123")}, + Status: corev1.PodStatus{ContainerStatuses: []corev1.ContainerStatus{{ + Name: "nginx", + ContainerID: "containerd://abc", + State: corev1.ContainerState{Terminated: &corev1.ContainerStateTerminated{ExitCode: 0}}, + }}}, + } + entry := &CachedContainerProfile{ContainerName: "nginx", PodUID: "pod-uid-123"} + assert.False(t, isContainerRunning(pod, entry, "abc")) +} + +// TestReconcilerExitsOnCtxCancel — R2 from plan risks, delta #3. Cancelling +// ctx mid-Range stops iteration early. +func TestReconcilerExitsOnCtxCancel(t *testing.T) { + cp := &v1beta1.ContainerProfile{ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "1"}} + client := &countingProfileClient{cp: cp} + k8s := newControllableK8sCache() + ctx, cancel := context.WithCancel(context.Background()) + // Hook: cancel ctx on the 3rd GetPod call, return nil to drive the + // Range's continuation. After cancel(), ctx.Err() is set and subsequent + // Range iterations should short-circuit. + var visits atomic.Int64 + k8s.podHook = func(_, _ string) *corev1.Pod { + visits.Add(1) + if visits.Load() == 3 { + cancel() + } + return nil + } + metrics := newCountingMetrics() + c := newReconcilerCache(t, client, k8s, metrics) + + // Populate 100 entries. + for i := 0; i < 100; i++ { + id := "c-" + itoa(i) + c.entries.Set(id, newEntry(cp, "nginx", "pod-"+itoa(i), "default", "uid-"+itoa(i))) + } + + c.reconcileOnce(ctx) + + got := visits.Load() + assert.Less(t, got, int64(100), "ctx cancel should short-circuit the Range well before 100 iterations") + assert.GreaterOrEqual(t, got, int64(3), "should observe at least the iterations up to cancel") + // We do NOT assert a specific eviction count: entries visited before the + // cancel were appended to toEvict and DO get evicted. The invariant under + // test is only that iteration stopped early. +} + +// TestRefreshFastSkipWhenAllRVsMatch — delta #4. When CP RV and both overlay +// RVs match the cached values, refreshOneEntry returns without rebuilding. +func TestRefreshFastSkipWhenAllRVsMatch(t *testing.T) { + cp := &v1beta1.ContainerProfile{ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "100"}} + ap := &v1beta1.ApplicationProfile{ObjectMeta: metav1.ObjectMeta{Name: "override", Namespace: "default", ResourceVersion: "50"}} + nn := &v1beta1.NetworkNeighborhood{ObjectMeta: metav1.ObjectMeta{Name: "override", Namespace: "default", ResourceVersion: "60"}} + client := &countingProfileClient{cp: cp, ap: ap, nn: nn} + k8s := newControllableK8sCache() + metrics := newCountingMetrics() + c := newReconcilerCache(t, client, k8s, metrics) + + id := "c1" + entry := &CachedContainerProfile{ + Profile: cp, + State: &objectcache.ProfileState{Name: cp.Name}, + ContainerName: "nginx", + PodName: "nginx-abc", + Namespace: "default", + PodUID: "uid-1", + CPName: "cp", + UserAPRef: &namespacedName{Namespace: "default", Name: "override"}, + UserNNRef: &namespacedName{Namespace: "default", Name: "override"}, + Shared: false, + RV: "100", + UserAPRV: "50", + UserNNRV: "60", + } + c.entries.Set(id, entry) + beforeProfilePtr := entry.Profile + + c.refreshAllEntries(context.Background()) + + // Fetched CP once + overlays once each to check RVs; then fast-skipped. + assert.Equal(t, int64(1), client.cpCalls.Load(), "CP should be fetched once") + assert.Equal(t, int64(1), client.apCalls.Load(), "AP should be fetched once for RV check") + assert.Equal(t, int64(1), client.nnCalls.Load(), "NN should be fetched once for RV check") + + stored, ok := c.entries.Load(id) + require.True(t, ok) + // Same pointer: the entry was NOT rebuilt. + assert.Same(t, entry, stored, "entry must not be replaced on fast-skip") + assert.Same(t, beforeProfilePtr, stored.Profile, "Profile pointer must not change on fast-skip") + // No legacy-load metric emitted on fast-skip. + assert.Equal(t, 0, metrics.legacyLoad(kindApplication, completenessFull)) + assert.Equal(t, 0, metrics.legacyLoad(kindNetwork, completenessFull)) +} + +// TestRefreshRebuildsOnUserAPChange — entry has stale UserAPRV; refresh sees +// a newer AP RV and rebuilds. +func TestRefreshRebuildsOnUserAPChange(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "100"}, + Spec: v1beta1.ContainerProfileSpec{Capabilities: []string{"SYS_PTRACE"}}, + } + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "override", Namespace: "default", ResourceVersion: "51"}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Capabilities: []string{"NET_BIND_SERVICE"}, + }}, + }, + } + client := &countingProfileClient{cp: cp, ap: ap} + k8s := newControllableK8sCache() + metrics := newCountingMetrics() + c := newReconcilerCache(t, client, k8s, metrics) + + id := "c1" + entry := &CachedContainerProfile{ + Profile: cp, + State: &objectcache.ProfileState{Name: cp.Name}, + ContainerName: "nginx", + PodName: "nginx-abc", + Namespace: "default", + PodUID: "uid-1", + CPName: "cp", + UserAPRef: &namespacedName{Namespace: "default", Name: "override"}, + Shared: false, + RV: "100", + UserAPRV: "50", // stale: storage now returns 51 + } + c.entries.Set(id, entry) + + c.refreshAllEntries(context.Background()) + + stored, ok := c.entries.Load(id) + require.True(t, ok) + assert.NotSame(t, entry, stored, "entry must be replaced when user-AP RV changes") + assert.Equal(t, "51", stored.UserAPRV, "new UserAPRV must be recorded") + assert.ElementsMatch(t, []string{"SYS_PTRACE", "NET_BIND_SERVICE"}, stored.Profile.Spec.Capabilities, + "rebuilt projection must include merged overlay capabilities") +} + +// TestRefreshRebuildsOnCPChange — CP RV changed; entry rebuilds with fresh CP. +func TestRefreshRebuildsOnCPChange(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "101"}, + Spec: v1beta1.ContainerProfileSpec{Capabilities: []string{"SYS_ADMIN"}}, + } + client := &countingProfileClient{cp: cp} + k8s := newControllableK8sCache() + metrics := newCountingMetrics() + c := newReconcilerCache(t, client, k8s, metrics) + + oldCP := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "100"}, + } + id := "c1" + entry := newEntry(oldCP, "nginx", "nginx-abc", "default", "uid-1") + c.entries.Set(id, entry) + + c.refreshAllEntries(context.Background()) + + stored, ok := c.entries.Load(id) + require.True(t, ok) + assert.Equal(t, "101", stored.RV, "RV must update to the fresh CP's version") + assert.Same(t, cp, stored.Profile, "shared fast-path: fresh CP pointer stored directly") +} + +// TestT8_EndToEndRefreshUpdatesProjection — delta #5. Mutate the user-AP in +// the stubbed storage so its RV + execs change; assert the cached projection +// reflects the new execs AND that the legacy-load metric was re-emitted. +func TestT8_EndToEndRefreshUpdatesProjection(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "100"}, + Spec: v1beta1.ContainerProfileSpec{ + Execs: []v1beta1.ExecCalls{{Path: "/bin/base", Args: []string{"a"}}}, + }, + } + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "override", Namespace: "default", ResourceVersion: "50"}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Execs: []v1beta1.ExecCalls{{Path: "/bin/old", Args: []string{"x"}}}, + }}, + }, + } + client := &countingProfileClient{cp: cp, ap: ap} + k8s := newControllableK8sCache() + metrics := newCountingMetrics() + c := newReconcilerCache(t, client, k8s, metrics) + + // Initial entry built from base CP + overlay: use addContainer's private + // buildEntry logic via projectUserProfiles directly, then seed. + initialProjected, _ := projectUserProfiles(cp, ap, nil, nil, "nginx") + id := "c1" + entry := &CachedContainerProfile{ + Profile: initialProjected, + State: &objectcache.ProfileState{Name: cp.Name}, + ContainerName: "nginx", + PodName: "nginx-abc", + Namespace: "default", + PodUID: "uid-1", + CPName: "cp", + UserAPRef: &namespacedName{Namespace: "default", Name: "override"}, + Shared: false, + RV: "100", + UserAPRV: "50", + } + c.entries.Set(id, entry) + + // Mutate storage: new AP RV + new execs. + client.ap = &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "override", Namespace: "default", ResourceVersion: "51"}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Execs: []v1beta1.ExecCalls{{Path: "/bin/new", Args: []string{"y"}}}, + }}, + }, + } + + c.refreshAllEntries(context.Background()) + + stored, ok := c.entries.Load(id) + require.True(t, ok) + assert.Equal(t, "51", stored.UserAPRV, "refresh must record the new user-AP RV") + + // The projection must include the new exec (merged on top of the base CP's exec). + var paths []string + for _, e := range stored.Profile.Spec.Execs { + paths = append(paths, e.Path) + } + assert.Contains(t, paths, "/bin/base", "base CP exec must be preserved") + assert.Contains(t, paths, "/bin/new", "new user-AP exec must be projected into the cache") + assert.NotContains(t, paths, "/bin/old", "stale user-AP exec must NOT be in the projection") + + assert.GreaterOrEqual(t, metrics.legacyLoad(kindApplication, completenessFull), 1, + "refresh with user-AP overlay must emit full-load metric") +} + +// TestRefreshNoEntryWhenCPGetFails — storage error on CP keeps the existing +// entry unchanged (no deletion). +func TestRefreshNoEntryWhenCPGetFails(t *testing.T) { + cp := &v1beta1.ContainerProfile{ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "100"}} + failing := &failingProfileClient{cpErr: assertErr{}} + k8s := newControllableK8sCache() + metrics := newCountingMetrics() + c := newReconcilerCache(t, failing, k8s, metrics) + + id := "c1" + entry := newEntry(cp, "nginx", "nginx-abc", "default", "uid-1") + c.entries.Set(id, entry) + + c.refreshAllEntries(context.Background()) + + stored, ok := c.entries.Load(id) + require.True(t, ok, "CP fetch error must not delete the entry") + assert.Same(t, entry, stored, "entry pointer must not change when CP fetch fails") +} + +// TestRefreshPreservesEntryOnTransientOverlayError — overlay fetch errors must +// not strip overlay data from the cache. If a user-managed or user-defined +// AP/NN GET returns an error while the entry already has a non-empty cached RV +// for that overlay, refreshOneEntry must keep the old entry unchanged (same +// pointer) rather than rebuilding without the overlay and clearing its RV. +// Regression test for the refreshRPC timeout → silent nil → spurious rebuild path. +func TestRefreshPreservesEntryOnTransientOverlayError(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp", Namespace: "default", ResourceVersion: "100"}, + Spec: v1beta1.ContainerProfileSpec{Capabilities: []string{"SYS_PTRACE"}}, + } + + type overlayFields struct { + workloadName string + userManagedAPRV string + userManagedNNRV string + userAPRef *namespacedName + userAPRV string + userNNRef *namespacedName + userNNRV string + } + tests := []struct { + name string + apErr bool + nnErr bool + overlay overlayFields + }{ + { + name: "user-managed AP timeout preserves entry", + apErr: true, + overlay: overlayFields{ + workloadName: "nginx", + userManagedAPRV: "9", + }, + }, + { + name: "user-managed NN timeout preserves entry", + nnErr: true, + overlay: overlayFields{ + workloadName: "nginx", + userManagedNNRV: "7", + }, + }, + { + name: "user-defined AP timeout preserves entry", + apErr: true, + overlay: overlayFields{ + userAPRef: &namespacedName{Namespace: "default", Name: "override"}, + userAPRV: "50", + }, + }, + { + name: "user-defined NN timeout preserves entry", + nnErr: true, + overlay: overlayFields{ + userNNRef: &namespacedName{Namespace: "default", Name: "override"}, + userNNRV: "60", + }, + }, + } + + for _, tc := range tests { + t.Run(tc.name, func(t *testing.T) { + apErr := error(nil) + if tc.apErr { + apErr = assertErr{} + } + nnErr := error(nil) + if tc.nnErr { + nnErr = assertErr{} + } + client := &overlayErrorClient{cp: cp, apErr: apErr, nnErr: nnErr} + k8s := newControllableK8sCache() + c := newReconcilerCache(t, client, k8s, nil) + + id := "c1" + entry := &CachedContainerProfile{ + Profile: cp, + State: &objectcache.ProfileState{Name: cp.Name}, + ContainerName: "nginx", + PodName: "nginx-abc", + Namespace: "default", + PodUID: "uid-1", + CPName: "cp", + RV: "100", + WorkloadName: tc.overlay.workloadName, + UserManagedAPRV: tc.overlay.userManagedAPRV, + UserManagedNNRV: tc.overlay.userManagedNNRV, + UserAPRef: tc.overlay.userAPRef, + UserAPRV: tc.overlay.userAPRV, + UserNNRef: tc.overlay.userNNRef, + UserNNRV: tc.overlay.userNNRV, + Shared: false, + } + c.entries.Set(id, entry) + + c.refreshAllEntries(context.Background()) + + stored, ok := c.entries.Load(id) + require.True(t, ok, "overlay error must not delete the entry") + assert.Same(t, entry, stored, "entry pointer must not change when overlay fetch fails transiently") + // Overlay RVs must be unchanged (not cleared to ""). + assert.Equal(t, tc.overlay.userManagedAPRV, stored.UserManagedAPRV) + assert.Equal(t, tc.overlay.userManagedNNRV, stored.UserManagedNNRV) + assert.Equal(t, tc.overlay.userAPRV, stored.UserAPRV) + assert.Equal(t, tc.overlay.userNNRV, stored.UserNNRV) + }) + } +} + +// overlayErrorClient returns a valid CP but fails AP/NN calls with the +// configured errors. Used to test overlay error-preservation logic. +type overlayErrorClient struct { + cp *v1beta1.ContainerProfile + apErr error + nnErr error +} + +var _ storage.ProfileClient = (*overlayErrorClient)(nil) + +func (o *overlayErrorClient) GetContainerProfile(_ context.Context, _, _ string) (*v1beta1.ContainerProfile, error) { + return o.cp, nil +} +func (o *overlayErrorClient) GetApplicationProfile(_ context.Context, _, _ string) (*v1beta1.ApplicationProfile, error) { + return nil, o.apErr +} +func (o *overlayErrorClient) GetNetworkNeighborhood(_ context.Context, _, _ string) (*v1beta1.NetworkNeighborhood, error) { + return nil, o.nnErr +} +func (o *overlayErrorClient) ListApplicationProfiles(_ context.Context, _ string, _ int64, _ string) (*v1beta1.ApplicationProfileList, error) { + return &v1beta1.ApplicationProfileList{}, nil +} +func (o *overlayErrorClient) ListNetworkNeighborhoods(_ context.Context, _ string, _ int64, _ string) (*v1beta1.NetworkNeighborhoodList, error) { + return &v1beta1.NetworkNeighborhoodList{}, nil +} + +// --- helpers --- + +// itoa is a local int-to-string so tests don't pull in strconv just for one +// call site. +func itoa(i int) string { + if i == 0 { + return "0" + } + neg := i < 0 + if neg { + i = -i + } + buf := [20]byte{} + pos := len(buf) + for i > 0 { + pos-- + buf[pos] = byte('0' + i%10) + i /= 10 + } + if neg { + pos-- + buf[pos] = '-' + } + return string(buf[pos:]) +} + +// assertErr is a trivial error sentinel used in a few negative tests. +type assertErr struct{} + +func (assertErr) Error() string { return "synthetic error" } + +// failingProfileClient always returns cpErr from GetContainerProfile. +type failingProfileClient struct { + cpErr error +} + +var _ storage.ProfileClient = (*failingProfileClient)(nil) + +func (f *failingProfileClient) GetContainerProfile(_ context.Context, _, _ string) (*v1beta1.ContainerProfile, error) { + return nil, f.cpErr +} +func (f *failingProfileClient) GetApplicationProfile(_ context.Context, _, _ string) (*v1beta1.ApplicationProfile, error) { + return nil, nil +} +func (f *failingProfileClient) GetNetworkNeighborhood(_ context.Context, _, _ string) (*v1beta1.NetworkNeighborhood, error) { + return nil, nil +} +func (f *failingProfileClient) ListApplicationProfiles(_ context.Context, _ string, _ int64, _ string) (*v1beta1.ApplicationProfileList, error) { + return &v1beta1.ApplicationProfileList{}, nil +} +func (f *failingProfileClient) ListNetworkNeighborhoods(_ context.Context, _ string, _ int64, _ string) (*v1beta1.NetworkNeighborhoodList, error) { + return &v1beta1.NetworkNeighborhoodList{}, nil +} + +// silence unused-import linter: helpersv1 is referenced only via the const in +// containerprofilecache.go (used by some entries). Import explicitly so the +// file compiles without the import when those constants aren't dereferenced. +var _ = helpersv1.CompletionMetadataKey + +// TestRefreshHonorsContextCancellationMidRPC verifies that a context +// cancellation while refreshOneEntry is blocked in GetContainerProfile +// causes the refresh to return within the rpcBudget, not hang for the +// full reconciler timeout. +func TestRefreshHonorsContextCancellationMidRPC(t *testing.T) { + // Buffered so the signal is stored even if the test's <-blocked read is + // slightly delayed — prevents a lossy non-blocking send from dropping it. + blocked := make(chan struct{}, 1) + unblock := make(chan struct{}) + blocking := &blockingProfileClient{ + blocked: blocked, + unblock: unblock, + } + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp-1", Namespace: "default", ResourceVersion: "42"}, + } + // Seed an existing entry so refreshOneEntry attempts a CP re-fetch. + k8s := newControllableK8sCache() + cfg := config.Config{ + ProfilesCacheRefreshRate: 30 * time.Second, + StorageRPCBudget: 100 * time.Millisecond, + } + cache := NewContainerProfileCache(cfg, blocking, k8s, nil) + cache.SeedEntryForTest("id1", &CachedContainerProfile{ + Profile: cp, + State: &objectcache.ProfileState{Name: cp.Name}, + ContainerName: "c1", + PodName: "pod1", + Namespace: "default", + PodUID: "uid1", + CPName: "cp-1", + RV: "old-rv", // differs from cp.RV so fast-skip is skipped + }) + + ctx, cancel := context.WithCancel(context.Background()) + defer cancel() + + done := make(chan struct{}) + go func() { + defer close(done) + cache.refreshAllEntries(ctx) + }() + + // Wait for the RPC to block, then cancel the context. + <-blocked + cancel() + + // The refresh must return within 2s of cancellation (well above the + // 100ms rpcBudget; the generous budget accommodates loaded CI runners). + select { + case <-done: + case <-time.After(2 * time.Second): + t.Fatal("refreshAllEntries did not return after context cancellation") + } + close(unblock) +} + +// blockingProfileClient blocks GetContainerProfile until unblocked. +type blockingProfileClient struct { + blocked chan struct{} + unblock chan struct{} +} + +var _ storage.ProfileClient = (*blockingProfileClient)(nil) + +func (b *blockingProfileClient) GetContainerProfile(ctx context.Context, _, _ string) (*v1beta1.ContainerProfile, error) { + b.blocked <- struct{}{} // buffered(1): stored if reader hasn't arrived yet + select { + case <-b.unblock: + return nil, nil + case <-ctx.Done(): + return nil, ctx.Err() + } +} +func (b *blockingProfileClient) GetApplicationProfile(_ context.Context, _, _ string) (*v1beta1.ApplicationProfile, error) { + return nil, nil +} +func (b *blockingProfileClient) GetNetworkNeighborhood(_ context.Context, _, _ string) (*v1beta1.NetworkNeighborhood, error) { + return nil, nil +} +func (b *blockingProfileClient) ListApplicationProfiles(_ context.Context, _ string, _ int64, _ string) (*v1beta1.ApplicationProfileList, error) { + return &v1beta1.ApplicationProfileList{}, nil +} +func (b *blockingProfileClient) ListNetworkNeighborhoods(_ context.Context, _ string, _ int64, _ string) (*v1beta1.NetworkNeighborhoodList, error) { + return &v1beta1.NetworkNeighborhoodList{}, nil +} + +// TestRetryPendingEntries_CPCreatedAfterAdd exercises the bug that slipped +// through PR #788 component tests: at EventTypeAddContainer the CP may not +// yet be in storage (it is created asynchronously by containerprofilemanager +// after observing the container). The new cache must retry per reconciler +// tick; otherwise the container is permanently absent from the cache and +// rule evaluation short-circuits as "no profile". +func TestRetryPendingEntries_CPCreatedAfterAdd(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-pending", + Namespace: "default", + ResourceVersion: "1", + }, + } + + // Start with storage returning 404 for the initial GET. + client := &fakeProfileClient{cp: nil, cpErr: assertErrNotFound("cp-pending")} + c, k8s := newTestCache(t, client) + + id := "container-pending" + primeSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + + // addContainer: sees 404 -> pending bookkeeping, not an entry. + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + assert.Nil(t, c.GetContainerProfile(id), "no entry before CP exists in storage") + assert.Equal(t, 1, c.pending.Len(), "container recorded as pending") + + // Storage creates the CP asynchronously (60s after start in real runs). + client.cp = cp + client.cpErr = nil + + // Simulate one reconciler tick. retryPendingEntries iterates pending and + // promotes on successful GET. + c.retryPendingEntries(context.Background()) + + assert.NotNil(t, c.GetContainerProfile(id), "entry promoted after CP appears") + assert.Equal(t, 0, c.pending.Len(), "pending drained on successful promotion") + // Exactly two GETs: one from addContainer (404), one from retry (200). + assert.Equal(t, 2, client.getCPCalls, "retry should only re-GET once per tick") +} + +// TestPendingEntriesAreNotGCedBeforeRetry verifies we no longer drop pending +// entries from reconcileOnce. The component-tests regression (CI run +// 24781030436 on ce329196) showed the k8s pod cache and container statuses +// lag the containerwatcher Add event by tens of seconds on busy nodes, so a +// pod-state-driven GC dropped every pending entry before retries had a +// chance to succeed. Cleanup now flows exclusively through deleteContainer. +func TestPendingEntriesAreNotGCedBeforeRetry(t *testing.T) { + client := &fakeProfileClient{cp: nil, cpErr: assertErrNotFound("cp-missing")} + c, k8s := newTestCache(t, client) + _ = k8s + + id := "container-pending" + primeSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + require.Equal(t, 1, c.pending.Len()) + + // Several reconciler passes with nil-returning GetPod must leave the + // pending entry in place so retry has a chance to succeed once profile + // data shows up in storage. + for range 3 { + c.reconcileOnce(context.Background()) + } + assert.Equal(t, 1, c.pending.Len(), "pending entry retained across reconcile ticks") + + // Only deleteContainer clears pending. + c.deleteContainer(id) + assert.Equal(t, 0, c.pending.Len(), "deleteContainer clears pending") +} + +// assertErrNotFound is a minimal non-nil error for GET failures in tests. +// Using a sentinel keeps the test readable without pulling in apierrors. +func assertErrNotFound(name string) error { + return &testNotFoundErr{name: name} +} + +type testNotFoundErr struct{ name string } + +func (e *testNotFoundErr) Error() string { return "container profile " + e.name + ": not found" } + +// TestPartialCP_NonPreRunning_StaysPending verifies that a CP marked partial +// is NOT cached when the container is not PreRunning (i.e. started after the +// agent was up). Legacy caches explicitly deleted partials on restart; we +// mirror that by staying pending until the CP becomes Full. +func TestPartialCP_NonPreRunning_StaysPending(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-partial", + Namespace: "default", + ResourceVersion: "1", + Annotations: map[string]string{ + helpersv1.CompletionMetadataKey: helpersv1.Partial, + helpersv1.StatusMetadataKey: helpersv1.Completed, + }, + }, + } + client := &fakeProfileClient{cp: cp} + c, k8s := newTestCache(t, client) + + id := "container-partial-restart" + primeSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + // sharedData.PreRunningContainer is false by default → this simulates a + // fresh container start observed by a running agent. + + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + assert.Nil(t, c.GetContainerProfile(id), "partial CP must not populate cache on fresh container") + assert.Equal(t, 1, c.pending.Len(), "partial-on-restart stays pending") + + // Simulate the CP becoming Full (new agent-side aggregation round). + cp.Annotations[helpersv1.CompletionMetadataKey] = helpersv1.Full + cp.ResourceVersion = "2" + c.retryPendingEntries(context.Background()) + + assert.NotNil(t, c.GetContainerProfile(id), "Full CP promotes pending entry") + assert.Equal(t, 0, c.pending.Len(), "pending drained on Full") +} + +// TestPartialCP_PreRunning_Accepted verifies the inverse: when the agent +// restarts (all containers become PreRunning), we accept even a partial CP so +// rule evaluation can still alert on out-of-profile behavior (Test_19 +// semantics). +func TestPartialCP_PreRunning_Accepted(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-partial-prerunning", + Namespace: "default", + ResourceVersion: "1", + Annotations: map[string]string{ + helpersv1.CompletionMetadataKey: helpersv1.Partial, + helpersv1.StatusMetadataKey: helpersv1.Completed, + }, + }, + } + client := &fakeProfileClient{cp: cp} + c, k8s := newTestCache(t, client) + + id := "container-partial-prerunning" + // Mark PreRunning so the partial is accepted. + primePreRunningSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + assert.NotNil(t, c.GetContainerProfile(id), "partial CP accepted for PreRunning container") + assert.Equal(t, 0, c.pending.Len(), "not pending when accepted") +} + +// TestOverlayLabel_TransientFetchFailure_RefsRetained verifies that when +// UserDefinedProfileMetadataKey is set but the user-AP/NN fetch fails, the +// entry still records UserAPRef / UserNNRef so the refresh loop can re-fetch +// on subsequent ticks instead of permanently dropping the overlay. +func TestOverlayLabel_TransientFetchFailure_RefsRetained(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp-with-overlay", Namespace: "default", ResourceVersion: "1"}, + } + // Overlay fetch returns an error; the base CP is fine. + client := &fakeProfileClient{cp: cp, apErr: assertErrNotFound("override"), nnErr: assertErrNotFound("override")} + c, k8s := newTestCache(t, client) + + id := "container-transient-overlay" + primeSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + + // Build the container with the overlay label set. + ct := eventContainer(id) + ct.K8s.PodLabels = map[string]string{helpersv1.UserDefinedProfileMetadataKey: "override"} + + require.NoError(t, c.addContainer(ct, context.Background())) + + entry, ok := c.entries.Load(id) + require.True(t, ok, "entry stored with base CP even if overlay fetch failed") + require.NotNil(t, entry.UserAPRef, "UserAPRef retained for refresh retry") + require.NotNil(t, entry.UserNNRef, "UserNNRef retained for refresh retry") + assert.Equal(t, "override", entry.UserAPRef.Name) + assert.Equal(t, "override", entry.UserNNRef.Name) +} + +// TestRefreshDoesNotResurrectDeletedEntry verifies the Phase-4 reviewer race: +// refreshAllEntries snapshots entries without a lock; if deleteContainer +// removes the entry before refreshOneEntry takes the lock, the refresh must +// NOT re-insert it. +func TestRefreshDoesNotResurrectDeletedEntry(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "cp-resurrect", Namespace: "default", ResourceVersion: "1"}, + } + client := &fakeProfileClient{cp: cp} + c, k8s := newTestCache(t, client) + + id := "container-resurrect" + primeSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + require.NotNil(t, c.GetContainerProfile(id)) + + // Simulate the race: snapshot the entry, delete, then call refreshOneEntry. + entry, ok := c.entries.Load(id) + require.True(t, ok) + c.deleteContainer(id) + require.Nil(t, c.GetContainerProfile(id), "entry gone after delete") + + // Refresh for the deleted id must bail instead of resurrecting. + c.containerLocks.WithLock(id, func() { + c.refreshOneEntry(context.Background(), id, entry) + }) + + assert.Nil(t, c.GetContainerProfile(id), "refresh must not resurrect deleted entry") +} + +// TestUserDefinedProfileOnly_NoBaseCP verifies that a container with only a +// user-defined AP/NN (no base CP yet) still gets a cache entry, mirroring the +// legacy behavior where user-defined profiles were stored directly. +func TestUserDefinedProfileOnly_NoBaseCP(t *testing.T) { + userAP := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "user-override", Namespace: "default", ResourceVersion: "10"}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + {Name: "nginx", Capabilities: []string{"CAP_NET_ADMIN"}}, + }, + }, + } + // Base CP fetch fails (404); only the overlay exists. + client := &fakeProfileClient{cp: nil, cpErr: assertErrNotFound("no-base"), ap: userAP} + c, k8s := newTestCache(t, client) + + id := "container-user-only" + primeSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + ct := eventContainer(id) + ct.K8s.PodLabels = map[string]string{helpersv1.UserDefinedProfileMetadataKey: "user-override"} + + require.NoError(t, c.addContainer(ct, context.Background())) + + cached := c.GetContainerProfile(id) + require.NotNil(t, cached, "entry populated from user-AP even without base CP") + // The synthesized CP + projection should carry the user AP's capabilities. + assert.Contains(t, cached.Spec.Capabilities, "CAP_NET_ADMIN") +} + +// primePreRunningSharedData is a variant of primeSharedData that sets the +// PreRunningContainer flag. +func primePreRunningSharedData(t *testing.T, k8s *objectcache.K8sObjectCacheMock, containerID, wlid string) { + t.Helper() + primeSharedData(t, k8s, containerID, wlid) + existing := k8s.GetSharedContainerData(containerID) + require.NotNil(t, existing) + existing.PreRunningContainer = true + k8s.SetSharedContainerData(containerID, existing) +} + +// TestRefreshUpdatesCPStatus exercises the refresh path: at addContainer +// time the consolidated CP may still be in Status="ready"; the cache must +// re-fetch it on each tick so a later "ready" -> "completed" transition +// propagates to the cached ProfileState, which in turn flips fail_on_profile +// from false to true (Test_17 / Test_19 semantics). +func TestRefreshUpdatesCPStatus(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-ready", + Namespace: "default", + ResourceVersion: "1", + Annotations: map[string]string{ + helpersv1.CompletionMetadataKey: helpersv1.Full, + helpersv1.StatusMetadataKey: helpersv1.Learning, // "ready" + }, + }, + } + client := &fakeProfileClient{cp: cp} + c, k8s := newTestCache(t, client) + + id := "container-cp-ready" + primeSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + + entry, ok := c.entries.Load(id) + require.True(t, ok, "entry populated from CP") + require.NotNil(t, entry.State) + assert.Equal(t, helpersv1.Learning, entry.State.Status, + "Status reflects the CP at add time (ready / learning)") + + // Storage transitions CP to Status=completed. + client.cp = &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-ready", + Namespace: "default", + ResourceVersion: "2", + Annotations: map[string]string{ + helpersv1.CompletionMetadataKey: helpersv1.Full, + helpersv1.StatusMetadataKey: helpersv1.Completed, + }, + }, + } + + c.refreshAllEntries(context.Background()) + + stored, ok := c.entries.Load(id) + require.True(t, ok) + require.NotNil(t, stored.State) + assert.Equal(t, helpersv1.Completed, stored.State.Status, + "refresh propagates CP Status=completed into ProfileState") + assert.Equal(t, "2", stored.RV, "refresh records the new CP RV") +} + +// TestUserManagedProfileMerged exercises the user-managed merge path +// (Test_12_MergingProfilesTest / Test_13_MergingNetworkNeighborhoodTest): +// a user-managed AP published at "ug-" is merged on top of +// the base CP. Anomalies NOT in the union of base + user-managed should +// produce alerts; anomalies present in either source should not. +func TestUserManagedProfileMerged(t *testing.T) { + // Base CP has exec "/bin/X"; user-managed AP adds "/bin/Y". + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-base", + Namespace: "default", + ResourceVersion: "1", + Annotations: map[string]string{ + helpersv1.CompletionMetadataKey: helpersv1.Full, + helpersv1.StatusMetadataKey: helpersv1.Completed, + }, + }, + Spec: v1beta1.ContainerProfileSpec{ + Execs: []v1beta1.ExecCalls{{Path: "/bin/X"}}, + }, + } + userManagedAP := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "ug-nginx", + Namespace: "default", + ResourceVersion: "9", + Annotations: map[string]string{ + helpersv1.CompletionMetadataKey: helpersv1.Full, + helpersv1.StatusMetadataKey: helpersv1.Completed, + }, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Execs: []v1beta1.ExecCalls{{Path: "/bin/Y"}}, + }}, + }, + } + client := &fakeProfileClient{ + cp: cp, + userManagedAP: userManagedAP, + } + c, k8s := newTestCache(t, client) + + id := "container-user-managed" + primeSharedData(t, k8s, id, "wlid://cluster-a/namespace-default/deployment-nginx") + require.NoError(t, c.addContainer(eventContainer(id), context.Background())) + + cached := c.GetContainerProfile(id) + require.NotNil(t, cached, "entry populated") + var paths []string + for _, e := range cached.Spec.Execs { + paths = append(paths, e.Path) + } + assert.Contains(t, paths, "/bin/X", "base workload AP exec must be present") + assert.Contains(t, paths, "/bin/Y", "user-managed (ug-) AP exec must be merged in") + + // Verify the RV was captured so a later user-managed update would trigger + // a refresh rebuild. + entry, ok := c.entries.Load(id) + require.True(t, ok) + assert.Equal(t, "9", entry.UserManagedAPRV, "UserManagedAPRV recorded at add time") +} diff --git a/pkg/objectcache/containerprofilecache/shared_pointer_race_test.go b/pkg/objectcache/containerprofilecache/shared_pointer_race_test.go new file mode 100644 index 0000000000..5fe4dffa60 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/shared_pointer_race_test.go @@ -0,0 +1,210 @@ +package containerprofilecache_test + +// TestSharedPointerReadersDoNotCorruptCache — PR 3 Part A. +// +// Validates that concurrent readers and a concurrent reconciler-refresh do not +// produce data races on the shared *v1beta1.ContainerProfile pointer returned +// by GetContainerProfile. +// +// Design: +// - Seed a cache entry backed by cpV1 (RV="1"). Storage serves cpV2 (RV="2") +// so every RefreshAllEntriesForTest call triggers a rebuild (atomic pointer +// swap on the entries map, no in-place mutation of the old slice). +// - 50 reader goroutines call GetContainerProfile in a tight loop and iterate +// the returned Spec.Execs, Spec.Opens, Spec.Capabilities slices READ-ONLY. +// - 1 writer goroutine alternates: RefreshAllEntriesForTest (triggers rebuild) +// then SeedEntryForTest (resets RV to "1" so the next refresh rebuilds again). +// - Run for 500ms under -race. The race detector will surface any unprotected +// concurrent read/write pair. If none fires, the shared-pointer fast-path is +// demonstrably safe for read-only consumers. +// +// NOTE: deliberately-mutating consumer (anti-pattern) is NOT tested here because +// it is expected to trigger the race detector and would make CI non-deterministic. +// That pattern is covered by the code-review gate enforced by ReadOnlyCP (Part B). + +import ( + "context" + "runtime" + "sync" + "testing" + "time" + + "github.com/kubescape/node-agent/pkg/config" + "github.com/kubescape/node-agent/pkg/objectcache" + cpc "github.com/kubescape/node-agent/pkg/objectcache/containerprofilecache" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +func TestSharedPointerReadersDoNotCorruptCache(t *testing.T) { + const ( + id = "race-container" + numReaders = 50 + testDuration = 500 * time.Millisecond + rpcBudgetMs = 100 * time.Millisecond + ) + + // cpV1 — what is seeded initially (RV="1") + cpV1 := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-race", + Namespace: "default", + ResourceVersion: "1", + }, + Spec: v1beta1.ContainerProfileSpec{ + Execs: []v1beta1.ExecCalls{{Path: "/bin/sh", Args: []string{"a", "b", "c"}}}, + Opens: []v1beta1.OpenCalls{{Path: "/etc/passwd", Flags: []string{"O_RDONLY"}}}, + Capabilities: []string{"CAP_NET_ADMIN", "CAP_SYS_PTRACE"}, + }, + } + + // cpV2 — what storage returns after a refresh (RV="2"); the reconciler will + // create a brand-new entry pointing to cpV2 (never mutating cpV1). + cpV2 := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-race", + Namespace: "default", + ResourceVersion: "2", + }, + Spec: v1beta1.ContainerProfileSpec{ + Execs: []v1beta1.ExecCalls{{Path: "/bin/bash", Args: []string{"x", "y"}}}, + Opens: []v1beta1.OpenCalls{{Path: "/etc/shadow", Flags: []string{"O_WRONLY"}}}, + Capabilities: []string{"CAP_CHOWN"}, + }, + } + + store := newFakeStorage(cpV2) // storage always returns cpV2 + k8s := newFakeK8sCache() + + cfg := config.Config{ + ProfilesCacheRefreshRate: 30 * time.Second, + StorageRPCBudget: rpcBudgetMs, + } + cache := cpc.NewContainerProfileCache(cfg, store, k8s, nil) + + seedV1 := func() { + cache.SeedEntryForTest(id, &cpc.CachedContainerProfile{ + Profile: cpV1, + State: &objectcache.ProfileState{Name: "cp-race"}, + ContainerName: "container", + PodName: "pod-race", + Namespace: "default", + PodUID: "uid-race", + CPName: "cp-race", + RV: "1", // stale — guarantees refresh rebuilds on each tick + Shared: true, + }) + } + + // Pre-warm SafeMap so concurrent Load never hits the nil-check-before-lock + // initialization race present in goradd/maps v1.3.0 (pre-existing upstream bug). + seedV1() + + require.NotNil(t, cache.GetContainerProfile(id), "pre-condition: entry present before test") + + ctx, cancel := context.WithTimeout(context.Background(), testDuration) + defer cancel() + + var wg sync.WaitGroup + + // 50 reader goroutines — read-only traversal of the returned profile. + wg.Add(numReaders) + for i := 0; i < numReaders; i++ { + go func() { + defer wg.Done() + for ctx.Err() == nil { + cp := cache.GetContainerProfile(id) + if cp == nil { + runtime.Gosched() + continue + } + // Read-only: iterate slices without writing. + for _, e := range cp.Spec.Execs { + _ = e.Path + _ = len(e.Args) + } + for _, o := range cp.Spec.Opens { + _ = o.Path + _ = len(o.Flags) + } + _ = len(cp.Spec.Capabilities) + _ = cp.ResourceVersion + runtime.Gosched() + } + }() + } + + // 1 writer goroutine: alternate refresh (rebuilds entry → cpV2) and reset + // (reseeds entry → cpV1) to keep the refresh loop active across the window. + wg.Add(1) + go func() { + defer wg.Done() + for ctx.Err() == nil { + cache.RefreshAllEntriesForTest(ctx) + // Reset to cpV1 so the next refresh sees a stale RV and rebuilds again. + seedV1() + } + }() + + wg.Wait() + + // If the race detector fired, the test is already marked as failed. We add + // an explicit liveness assertion to guard against a scenario where the entry + // gets permanently nil-ed out by a refresh bug. + finalCP := cache.GetContainerProfile(id) + // Entry may legitimately be nil if the last operation was a refresh that + // returned cpV2 and then another seedV1 race lost; what we must NOT see is + // a panic above or a non-nil entry with a nil Profile. + if finalCP != nil { + assert.NotEmpty(t, finalCP.ResourceVersion, "final cached entry must have a non-empty RV") + } +} + +// TestSharedPointerFastPathPreservesPointerIdentity verifies that when the +// reconciler rebuilds an entry from a storage pointer with no overlay, the +// new entry's Profile points directly to the storage object (Shared=true, +// no DeepCopy). This is the memory property that Part A is guarding — if it +// regresses to DeepCopy-on-every-refresh the T3 memory budget is blown. +func TestSharedPointerFastPathPreservesPointerIdentity(t *testing.T) { + cpInStorage := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp-identity", + Namespace: "default", + ResourceVersion: "99", + }, + Spec: v1beta1.ContainerProfileSpec{ + Capabilities: []string{"CAP_NET_RAW"}, + }, + } + + store := newFakeStorage(cpInStorage) + k8s := newFakeK8sCache() + cfg := config.Config{ + ProfilesCacheRefreshRate: 30 * time.Second, + StorageRPCBudget: 100 * time.Millisecond, + } + cache := cpc.NewContainerProfileCache(cfg, store, k8s, nil) + + // Seed with a stale RV so the refresh rebuilds. + cache.SeedEntryForTest("id-identity", &cpc.CachedContainerProfile{ + Profile: cpInStorage, + State: &objectcache.ProfileState{Name: "cp-identity"}, + ContainerName: "container", + PodName: "pod-identity", + Namespace: "default", + PodUID: "uid-identity", + CPName: "cp-identity", + RV: "old", + Shared: true, + }) + + cache.RefreshAllEntriesForTest(context.Background()) + + got := cache.GetContainerProfile("id-identity") + require.NotNil(t, got, "entry must be present after refresh") + assert.Same(t, cpInStorage, got, + "shared fast-path: refresh must store the storage pointer directly (no DeepCopy)") + assert.Equal(t, "99", got.ResourceVersion, "RV must match the storage object") +} diff --git a/pkg/objectcache/containerprofilecache/t8_overlay_refresh_test.go b/pkg/objectcache/containerprofilecache/t8_overlay_refresh_test.go new file mode 100644 index 0000000000..ea67a5d172 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/t8_overlay_refresh_test.go @@ -0,0 +1,110 @@ +package containerprofilecache_test + +// TestT8_EndToEndRefreshUpdatesProjection mirrors the same-named unit test from +// reconciler_test.go using only the public / test-helper API so it can live at +// the integration test level (tests/containerprofilecache/). +// +// Scenario: an entry backed by CP (RV=100) + user-AP overlay (RV=50) is seeded +// via SeedEntryWithOverlayForTest. Storage is mutated to serve a new AP +// (RV=51, different execs). A single RefreshAllEntriesForTest call must rebuild +// the projection so the cached execs reflect the new AP, not the stale one. + +import ( + "context" + "testing" + "time" + + "github.com/kubescape/node-agent/pkg/config" + "github.com/kubescape/node-agent/pkg/objectcache" + cpc "github.com/kubescape/node-agent/pkg/objectcache/containerprofilecache" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" + metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" +) + +func TestT8_EndToEndRefreshUpdatesProjection(t *testing.T) { + cp := &v1beta1.ContainerProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "cp", + Namespace: "default", + ResourceVersion: "100", + }, + Spec: v1beta1.ContainerProfileSpec{ + Execs: []v1beta1.ExecCalls{{Path: "/bin/base", Args: []string{"a"}}}, + }, + } + apV1 := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "override", + Namespace: "default", + ResourceVersion: "50", + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Execs: []v1beta1.ExecCalls{{Path: "/bin/old", Args: []string{"x"}}}, + }}, + }, + } + apV2 := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: "override", + Namespace: "default", + ResourceVersion: "51", + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{{ + Name: "nginx", + Execs: []v1beta1.ExecCalls{{Path: "/bin/new", Args: []string{"y"}}}, + }}, + }, + } + + store := newFakeStorage(cp) + store.mu.Lock() + store.ap = apV1 + store.mu.Unlock() + + k8s := newFakeK8sCache() + cfg := config.Config{ + ProfilesCacheRefreshRate: 30 * time.Second, + StorageRPCBudget: 500 * time.Millisecond, + } + cache := cpc.NewContainerProfileCache(cfg, store, k8s, nil) + + const id = "c1" + // Seed a projected entry with a stale UserAPRV so refresh sees the RV change. + // The Profile here is just the base CP; the reconciler will re-project on refresh. + cache.SeedEntryWithOverlayForTest(id, &cpc.CachedContainerProfile{ + Profile: cp, + State: &objectcache.ProfileState{Name: cp.Name}, + ContainerName: "nginx", + PodName: "nginx-abc", + Namespace: "default", + PodUID: "uid-1", + CPName: "cp", + RV: "100", + UserAPRV: "50", // stale — triggers rebuild when storage returns RV=51 + Shared: false, + }, "default", "override", "", "") + + // Advance storage to apV2 (RV=51). The reconciler will see the RV mismatch + // and rebuild the projection from cp + apV2. + store.mu.Lock() + store.ap = apV2 + store.mu.Unlock() + + cache.RefreshAllEntriesForTest(context.Background()) + + stored := cache.GetContainerProfile(id) + require.NotNil(t, stored, "entry must remain after refresh") + + var paths []string + for _, e := range stored.Spec.Execs { + paths = append(paths, e.Path) + } + assert.Contains(t, paths, "/bin/base", "base CP exec must be preserved after overlay refresh") + assert.Contains(t, paths, "/bin/new", "new user-AP exec must appear in the rebuilt projection") + assert.NotContains(t, paths, "/bin/old", "stale user-AP exec must NOT survive the rebuild") +} diff --git a/pkg/objectcache/containerprofilecache_interface.go b/pkg/objectcache/containerprofilecache_interface.go new file mode 100644 index 0000000000..fcf73ab9e9 --- /dev/null +++ b/pkg/objectcache/containerprofilecache_interface.go @@ -0,0 +1,41 @@ +// Package objectcache defines interfaces for the node-agent object cache layer. +package objectcache + +import ( + "context" + "errors" + + containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" + "github.com/kubescape/node-agent/pkg/objectcache/callstackcache" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" +) + +type ContainerProfileCache interface { + GetContainerProfile(containerID string) *v1beta1.ContainerProfile + GetContainerProfileState(containerID string) *ProfileState + GetCallStackSearchTree(containerID string) *callstackcache.CallStackSearchTree + ContainerCallback(notif containercollection.PubSubEvent) + Start(ctx context.Context) +} + +var _ ContainerProfileCache = (*ContainerProfileCacheMock)(nil) + +type ContainerProfileCacheMock struct{} + +func (cp *ContainerProfileCacheMock) GetContainerProfile(_ string) *v1beta1.ContainerProfile { + return nil +} + +func (cp *ContainerProfileCacheMock) GetContainerProfileState(_ string) *ProfileState { + return &ProfileState{Error: errors.New("mock: profile not found")} +} + +func (cp *ContainerProfileCacheMock) GetCallStackSearchTree(_ string) *callstackcache.CallStackSearchTree { + return nil +} + +func (cp *ContainerProfileCacheMock) ContainerCallback(_ containercollection.PubSubEvent) { +} + +func (cp *ContainerProfileCacheMock) Start(_ context.Context) { +} diff --git a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go b/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go deleted file mode 100644 index a64c1454b5..0000000000 --- a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache.go +++ /dev/null @@ -1,949 +0,0 @@ -package networkneighborhoodcache - -import ( - "context" - "fmt" - "strings" - "sync" - "time" - - "github.com/cenkalti/backoff/v5" - mapset "github.com/deckarep/golang-set/v2" - "github.com/goradd/maps" - containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" - "github.com/kubescape/go-logger" - "github.com/kubescape/go-logger/helpers" - helpersv1 "github.com/kubescape/k8s-interface/instanceidhandler/v1/helpers" - "github.com/armosec/armoapi-go/armotypes" - "github.com/kubescape/node-agent/pkg/config" - "github.com/kubescape/node-agent/pkg/exporters" - "github.com/kubescape/node-agent/pkg/objectcache" - "github.com/kubescape/node-agent/pkg/resourcelocks" - "github.com/kubescape/node-agent/pkg/rulemanager/types" - "github.com/kubescape/node-agent/pkg/signature" - "github.com/kubescape/node-agent/pkg/signature/profiles" - "github.com/kubescape/node-agent/pkg/storage" - "github.com/kubescape/node-agent/pkg/utils" - "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" - metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" -) - -// ContainerInfo holds container metadata we need for network neighborhood mapping -type ContainerInfo struct { - ContainerID string - WorkloadID string - InstanceTemplateHash string - Namespace string - SeenContainerFromTheStart bool // True if container was seen from the start - UserDefinedNetwork string // Non-empty when pod has a user-defined NN label -} - -// NetworkNeighborhoodCacheImpl implements the NetworkNeighborhoodCache interface -type NetworkNeighborhoodCacheImpl struct { - cfg config.Config - workloadIDToNetworkNeighborhood maps.SafeMap[string, *v1beta1.NetworkNeighborhood] - workloadIDToProfileState maps.SafeMap[string, *objectcache.ProfileState] // Tracks profile state even if not in cache - containerIDToInfo maps.SafeMap[string, *ContainerInfo] - networkNeighborhoodToUserManagedIdentifier maps.SafeMap[string, string] // networkNeighborhoodName -> user-managed profile unique identifier - storageClient storage.ProfileClient - k8sObjectCache objectcache.K8sObjectCache - exporter exporters.Exporter // Exporter for sending tamper detection alerts - updateInterval time.Duration - updateInProgress bool // Flag to track if update is in progress - updateMutex sync.Mutex // Mutex to protect the flag - containerLocks *resourcelocks.ResourceLocks // Locks for each container to prevent concurrent modifications -} - -// NewNetworkNeighborhoodCache creates a new network neighborhood cache with periodic updates -func NewNetworkNeighborhoodCache(cfg config.Config, storageClient storage.ProfileClient, k8sObjectCache objectcache.K8sObjectCache, exporter exporters.Exporter) *NetworkNeighborhoodCacheImpl { - updateInterval := utils.AddJitter(cfg.ProfilesCacheRefreshRate, 10) // Add 10% jitter to avoid high load on the storage - - nnc := &NetworkNeighborhoodCacheImpl{ - cfg: cfg, - workloadIDToNetworkNeighborhood: maps.SafeMap[string, *v1beta1.NetworkNeighborhood]{}, - workloadIDToProfileState: maps.SafeMap[string, *objectcache.ProfileState]{}, - containerIDToInfo: maps.SafeMap[string, *ContainerInfo]{}, - networkNeighborhoodToUserManagedIdentifier: maps.SafeMap[string, string]{}, - storageClient: storageClient, - k8sObjectCache: k8sObjectCache, - exporter: exporter, - updateInterval: updateInterval, - containerLocks: resourcelocks.New(), - } - - return nnc -} - -// Start begins the periodic update process -func (nnc *NetworkNeighborhoodCacheImpl) Start(ctx context.Context) { - go nnc.periodicUpdate(ctx) -} - -// periodicUpdate periodically fetches and updates network neighborhoods from storage -func (nnc *NetworkNeighborhoodCacheImpl) periodicUpdate(ctx context.Context) { - ticker := time.NewTicker(nnc.updateInterval) - defer ticker.Stop() - - for { - select { - case <-ticker.C: - // Check if an update is already in progress - nnc.updateMutex.Lock() - if nnc.updateInProgress { - // Skip this update cycle - logger.L().Debug("skipping profile update: previous update still in progress") - nnc.updateMutex.Unlock() - continue - } - - // Set the flag and release the lock before the potentially long-running call - nnc.updateInProgress = true - nnc.updateMutex.Unlock() - - // Run the update directly - nnc.updateAllNetworkNeighborhoods(ctx) - - // Mark the update as complete - nnc.updateMutex.Lock() - nnc.updateInProgress = false - nnc.updateMutex.Unlock() - - case <-ctx.Done(): - logger.L().Info("NetworkNeighborhoodsCache periodic update stopped") - return - } - } -} - -// updateAllNetworkNeighborhoods fetches all network neighborhoods from storage and updates the cache -func (nnc *NetworkNeighborhoodCacheImpl) updateAllNetworkNeighborhoods(ctx context.Context) { - // Get unique namespaces from container info - namespaces := nnc.getNamespaces() - if len(namespaces) == 0 { - logger.L().Debug("no namespaces found in cache, skipping network neighborhood update") - return - } - - // Iterate over each namespace - for _, namespace := range namespaces { - // Get container IDs for this namespace - containerIDs := nnc.getContainerIDsForNamespace(namespace) - if len(containerIDs) == 0 { - logger.L().Debug("no containers found for namespace, skipping", - helpers.String("namespace", namespace)) - continue - } - - // Get network neighborhoods list for this namespace - var nnList *v1beta1.NetworkNeighborhoodList - continueToken := "" - for { - list, err := nnc.storageClient.ListNetworkNeighborhoods(namespace, int64(50), continueToken) - if err != nil { - logger.L().Error("failed to list network neighborhoods", - helpers.String("namespace", namespace), - helpers.Error(err)) - break - } - - if nnList == nil { - nnList = list - } else { - nnList.Items = append(nnList.Items, list.Items...) - } - - continueToken = list.Continue - if continueToken == "" { - break - } - } - - if nnList == nil { - continue - } - - // Process each network neighborhood - for _, nn := range nnList.Items { - // Handle user-managed network neighborhoods - if isUserManagedNN(&nn) { - nnc.handleUserManagedNetworkNeighborhood(&nn) - continue - } - - // Get the workload ID from network neighborhood - workloadID := nnc.wlidKey( - nn.Annotations[helpersv1.WlidMetadataKey], - nn.Labels[helpersv1.TemplateHashKey], - ) - if workloadID == "" { - continue - } - - // Update profile state regardless of whether we'll update the full profile - profileState := &objectcache.ProfileState{ - Completion: nn.Annotations[helpersv1.CompletionMetadataKey], - Status: nn.Annotations[helpersv1.StatusMetadataKey], - Name: nn.Name, - Error: nil, - } - nnc.workloadIDToProfileState.Set(workloadID, profileState) - - // Only consider completed network neighborhoods - if nn.Annotations[helpersv1.StatusMetadataKey] != helpersv1.Completed { - continue - } - - // Check if this workload ID is used by any container in this namespace - workloadIDInUse := false - hasNewContainer := false // Track if any container using this workload was seen from start - for _, containerID := range containerIDs { - if containerInfo, exists := nnc.containerIDToInfo.Load(containerID); exists && - containerInfo.WorkloadID == workloadID && - containerInfo.InstanceTemplateHash == nn.Labels[helpersv1.TemplateHashKey] { - workloadIDInUse = true - // If any container was seen from start, mark it - if containerInfo.SeenContainerFromTheStart { - hasNewContainer = true - } - } - } - - if !workloadIDInUse { - continue - } - - // Never overwrite a user-defined network neighborhood with an - // auto-learned one. Check if any container for this workload - // has a user-defined-network label. - if nnc.workloadHasUserDefinedNetwork(workloadID) { - continue - } - - // If we have a "new" container (seen from start) and the network neighborhood is partial, - // skip it - we don't want to use partial profiles for containers we're tracking from the start - if hasNewContainer && nn.Annotations[helpersv1.CompletionMetadataKey] == helpersv1.Partial { - logger.L().Debug("skipping partial network neighborhood for container seen from start", - helpers.String("workloadID", workloadID), - helpers.String("namespace", namespace)) - continue - } - - // Update the network neighborhood in the cache - if existingNN, exists := nnc.workloadIDToNetworkNeighborhood.Load(workloadID); exists { - // If the network neighborhood already exists and it's complete/completed, continue to the next one - if existingNN.Annotations[helpersv1.CompletionMetadataKey] == helpersv1.Full { - continue - } - - // If the new network neighborhood is not complete and we already have a completed/partial one, skip it - if nn.Annotations[helpersv1.CompletionMetadataKey] != helpersv1.Full { - continue - } - } - - // Fetch the network neighborhood from storage - fullNN, err := nnc.storageClient.GetNetworkNeighborhood(namespace, nn.Name) - if err != nil { - logger.L().Error("failed to get network neighborhood", - helpers.String("workloadID", workloadID), - helpers.String("namespace", namespace), - helpers.Error(err)) - profileState.Error = err - nnc.workloadIDToProfileState.Set(workloadID, profileState) - continue - } - - // Verify signature — always check signed NNs for tamper (R1016), - // enforcement mode only controls whether tampered NNs are loaded. - if err := nnc.verifyNetworkNeighborhood(fullNN, workloadID); err != nil { - profileState.Error = fmt.Errorf("signature verification failed: %w", err) - nnc.workloadIDToProfileState.Set(workloadID, profileState) - continue - } - - nnc.workloadIDToNetworkNeighborhood.Set(workloadID, fullNN) - logger.L().Debug("updated network neighborhood in cache", - helpers.String("workloadID", workloadID), - helpers.String("namespace", namespace), - helpers.String("status", nn.Annotations[helpersv1.StatusMetadataKey]), - helpers.String("completion", nn.Annotations[helpersv1.CompletionMetadataKey])) - } - } -} - -// handleUserManagedNetworkNeighborhood handles user-managed network neighborhoods -func (nnc *NetworkNeighborhoodCacheImpl) handleUserManagedNetworkNeighborhood(nn *v1beta1.NetworkNeighborhood) { - normalizedNNName := strings.TrimPrefix(nn.Name, helpersv1.UserNetworkNeighborhoodPrefix) - userManagedNNUniqueIdentifier := nn.ResourceVersion + string(nn.UID) - - // Create a unique tracking key for this user network neighborhood - nnKey := nnc.networkNeighborhoodKey(nn.Namespace, normalizedNNName) - - // Check if we've already processed this exact version of the user-managed network neighborhood - if storedIdentifier, exists := nnc.networkNeighborhoodToUserManagedIdentifier.Load(nnKey); exists && - storedIdentifier == userManagedNNUniqueIdentifier { - return - } - - // Find and collect the network neighborhood to merge - var toMerge struct { - wlid string - nn *v1beta1.NetworkNeighborhood - } - - nnc.workloadIDToNetworkNeighborhood.Range(func(wlid string, originalNN *v1beta1.NetworkNeighborhood) bool { - if originalNN.Name == normalizedNNName && originalNN.Namespace == nn.Namespace { - toMerge.wlid = wlid - toMerge.nn = originalNN - logger.L().Debug("found matching network neighborhood for user-managed network neighborhood", - helpers.String("workloadID", wlid), - helpers.String("namespace", originalNN.Namespace), - helpers.String("nnName", originalNN.Name)) - // Stop iteration - return false - } - return true - }) - - // If we didn't find a matching network neighborhood, skip merging - if toMerge.nn == nil { - return - } - - // Fetch the full user network neighborhood - fullUserNN, err := nnc.storageClient.GetNetworkNeighborhood(nn.Namespace, nn.Name) - if err != nil { - logger.L().Error("failed to get user-managed network neighborhood", - helpers.String("namespace", nn.Namespace), - helpers.String("nnName", nn.Name), - helpers.Error(err)) - return - } - - // Merge the user-managed network neighborhood with the normal network neighborhood - - // First, pull the original network neighborhood from the storage - originalNN, err := nnc.storageClient.GetNetworkNeighborhood(toMerge.nn.Namespace, toMerge.nn.Name) - if err != nil { - logger.L().Error("failed to get original network neighborhood", - helpers.String("namespace", toMerge.nn.Namespace), - helpers.String("nnName", toMerge.nn.Name), - helpers.Error(err)) - return - } - - // Verify signature on the original network neighborhood before merging - if err := nnc.verifyNetworkNeighborhood(originalNN, toMerge.wlid); err != nil { - profileState := &objectcache.ProfileState{ - Completion: originalNN.Annotations[helpersv1.CompletionMetadataKey], - Status: originalNN.Annotations[helpersv1.StatusMetadataKey], - Name: originalNN.Name, - Error: fmt.Errorf("signature verification failed: %w", err), - } - nnc.workloadIDToProfileState.Set(toMerge.wlid, profileState) - // Evict stale merged profile from cache on verification failure - nnc.workloadIDToNetworkNeighborhood.Delete(toMerge.wlid) - return - } - - // Verify signature on the user-managed network neighborhood before merging - if err := nnc.verifyNetworkNeighborhood(fullUserNN, toMerge.wlid); err != nil { - profileState := &objectcache.ProfileState{ - Completion: fullUserNN.Annotations[helpersv1.CompletionMetadataKey], - Status: fullUserNN.Annotations[helpersv1.StatusMetadataKey], - Name: fullUserNN.Name, - Error: fmt.Errorf("signature verification failed: %w", err), - } - nnc.workloadIDToProfileState.Set(toMerge.wlid, profileState) - // Restore cache to originalNN on user-managed verification failure - nnc.workloadIDToNetworkNeighborhood.Set(toMerge.wlid, originalNN) - return - } - - // Merge the network neighborhoods - mergedNN := nnc.performMerge(originalNN, fullUserNN) - - // Clear stale signature annotations after merge - delete(mergedNN.Annotations, signature.AnnotationSignature) - delete(mergedNN.Annotations, signature.AnnotationCertificate) - delete(mergedNN.Annotations, signature.AnnotationRekorBundle) - delete(mergedNN.Annotations, signature.AnnotationIssuer) - delete(mergedNN.Annotations, signature.AnnotationIdentity) - delete(mergedNN.Annotations, signature.AnnotationTimestamp) - - // Update the cache with the merged network neighborhood - nnc.workloadIDToNetworkNeighborhood.Set(toMerge.wlid, mergedNN) - // Update profile state for the merged profile - profileState := &objectcache.ProfileState{ - Completion: mergedNN.Annotations[helpersv1.CompletionMetadataKey], - Status: mergedNN.Annotations[helpersv1.StatusMetadataKey], - Name: mergedNN.Name, - Error: nil, - } - nnc.workloadIDToProfileState.Set(toMerge.wlid, profileState) - logger.L().Debug("merged user-managed network neighborhood with normal network neighborhood", - helpers.String("workloadID", toMerge.wlid), - helpers.String("namespace", nn.Namespace), - helpers.String("nnName", nn.Name)) - - // Record that we've processed this version of the network neighborhood - nnc.networkNeighborhoodToUserManagedIdentifier.Set(nnKey, userManagedNNUniqueIdentifier) -} - -// ContainerCallback handles container lifecycle events -func (nnc *NetworkNeighborhoodCacheImpl) ContainerCallback(notif containercollection.PubSubEvent) { - isHost := utils.IsHostContainer(notif.Container) - namespace := notif.Container.K8s.Namespace - if isHost { - namespace = "host" - } - switch notif.Type { - case containercollection.EventTypeAddContainer: - if !isHost && nnc.cfg.IgnoreContainer(namespace, notif.Container.K8s.PodName, notif.Container.K8s.PodLabels) { - return - } - container := notif.Container - if isHost { - containerCopy := *notif.Container - containerCopy.K8s.Namespace = namespace - container = &containerCopy - } - go nnc.addContainerWithTimeout(container) - case containercollection.EventTypeRemoveContainer: - if !isHost && nnc.cfg.IgnoreContainer(namespace, notif.Container.K8s.PodName, notif.Container.K8s.PodLabels) { - return - } - go nnc.deleteContainer(notif.Container.Runtime.ContainerID) - } -} - -// addContainerWithTimeout handles adding a container with a timeout to prevent hanging -func (nnc *NetworkNeighborhoodCacheImpl) addContainerWithTimeout(container *containercollection.Container) { - ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute) - defer cancel() - - done := make(chan error, 1) - go func() { - done <- nnc.addContainer(container, ctx) - }() - - select { - case err := <-done: - if err != nil { - logger.L().Error("failed to add container to the cache", helpers.Error(err)) - } - case <-ctx.Done(): - logger.L().Error("timeout while adding container to the cache", - helpers.String("containerID", container.Runtime.ContainerID), - helpers.String("containerName", container.Runtime.ContainerName), - helpers.String("podName", container.K8s.PodName), - helpers.String("namespace", container.K8s.Namespace)) - } -} - -// addContainer adds a container to the cache -func (nnc *NetworkNeighborhoodCacheImpl) addContainer(container *containercollection.Container, ctx context.Context) error { - containerID := container.Runtime.ContainerID - - return nnc.containerLocks.WithLockAndError(containerID, func() error { - // Get workload ID from shared data - sharedData, err := nnc.waitForSharedContainerData(containerID, ctx) - if err != nil { - logger.L().Error("failed to get shared data for container", - helpers.String("containerID", containerID), - helpers.Error(err)) - return err - } - - workloadID := nnc.wlidKey(sharedData.Wlid, sharedData.InstanceID.GetTemplateHash()) - if workloadID == "" { - logger.L().Debug("empty workloadID for container", helpers.String("containerID", containerID)) - return nil - } - - // If container restarts and profile is partial, delete it from cache - // This ensures we don't alert on activity we didn't see after restart - if existingNN, exists := nnc.workloadIDToNetworkNeighborhood.Load(workloadID); exists && !sharedData.PreRunningContainer { - if existingNN != nil && existingNN.Annotations != nil { - completion := existingNN.Annotations[helpersv1.CompletionMetadataKey] - if completion == helpersv1.Partial { - logger.L().Debug("deleting partial network neighborhood on container restart", - helpers.String("containerID", containerID), - helpers.String("workloadID", workloadID), - helpers.String("namespace", container.K8s.Namespace)) - - // Delete the network neighborhood from cache - nnKey := nnc.networkNeighborhoodKey(existingNN.Namespace, existingNN.Name) - nnc.networkNeighborhoodToUserManagedIdentifier.Delete(nnKey) - nnc.workloadIDToNetworkNeighborhood.Delete(workloadID) - } - } - } - - // Create container info - // Mark container as "seen from start" if it is not pre-running - containerInfo := &ContainerInfo{ - ContainerID: containerID, - WorkloadID: workloadID, - InstanceTemplateHash: sharedData.InstanceID.GetTemplateHash(), - Namespace: container.K8s.Namespace, - SeenContainerFromTheStart: !sharedData.PreRunningContainer, - UserDefinedNetwork: sharedData.UserDefinedNetwork, - } - - // Add to container info map - nnc.containerIDToInfo.Set(containerID, containerInfo) - - // If the container has a user-defined network neighborhood, load it - // directly into the cache — skip learning entirely for this workload. - if sharedData.UserDefinedNetwork != "" { - fullNN, err := nnc.storageClient.GetNetworkNeighborhood( - container.K8s.Namespace, sharedData.UserDefinedNetwork) - if err != nil { - logger.L().Error("failed to get user-defined network neighborhood", - helpers.String("containerID", containerID), - helpers.String("workloadID", workloadID), - helpers.String("namespace", container.K8s.Namespace), - helpers.String("nnName", sharedData.UserDefinedNetwork), - helpers.Error(err)) - profileState := &objectcache.ProfileState{ - Error: err, - } - nnc.workloadIDToProfileState.Set(workloadID, profileState) - return nil - } - - nnc.workloadIDToNetworkNeighborhood.Set(workloadID, fullNN) - profileState := &objectcache.ProfileState{ - Completion: helpersv1.Full, - Status: helpersv1.Completed, - Name: fullNN.Name, - Error: nil, - } - nnc.workloadIDToProfileState.Set(workloadID, profileState) - - logger.L().Debug("added user-defined network neighborhood to cache", - helpers.String("containerID", containerID), - helpers.String("workloadID", workloadID), - helpers.String("namespace", container.K8s.Namespace), - helpers.String("nnName", sharedData.UserDefinedNetwork)) - return nil - } - - // Create workload ID to state mapping - if _, exists := nnc.workloadIDToProfileState.Load(workloadID); !exists { - nnc.workloadIDToProfileState.Set(workloadID, &objectcache.ProfileState{ - Error: fmt.Errorf("waiting for profile update"), - }) - } - - logger.L().Debug("container added to cache", - helpers.String("containerID", containerID), - helpers.String("workloadID", workloadID), - helpers.String("namespace", container.K8s.Namespace)) - - return nil - }) -} - -// deleteContainer deletes a container from the cache -func (nnc *NetworkNeighborhoodCacheImpl) deleteContainer(containerID string) { - nnc.containerLocks.WithLock(containerID, func() { - // Get container info - containerInfo, exists := nnc.containerIDToInfo.Load(containerID) - if !exists { - logger.L().Debug("containerID not found in cache", helpers.String("containerID", containerID)) - return - } - - // Clean up container info - nnc.containerIDToInfo.Delete(containerID) - - // Check if any other container is using the same workload ID - workloadStillInUse := false - nnc.containerIDToInfo.Range(func(_ string, info *ContainerInfo) bool { - if info.WorkloadID == containerInfo.WorkloadID { - workloadStillInUse = true - return false // Stop iteration - } - return true // Continue iteration - }) - - // If no other container is using the same workload ID, delete it from the cache - if !workloadStillInUse { - if nn, exists := nnc.workloadIDToNetworkNeighborhood.Load(containerInfo.WorkloadID); exists { - // Remove any user managed identifiers related to this network neighborhood - nnKey := nnc.networkNeighborhoodKey(nn.Namespace, nn.Name) - nnc.networkNeighborhoodToUserManagedIdentifier.Delete(nnKey) - } - nnc.workloadIDToNetworkNeighborhood.Delete(containerInfo.WorkloadID) - nnc.workloadIDToProfileState.Delete(containerInfo.WorkloadID) - logger.L().Debug("deleted workloadID from cache", helpers.String("workloadID", containerInfo.WorkloadID)) - } - }) - - // Clean up the lock when done - call this outside the WithLock closure - nnc.containerLocks.ReleaseLock(containerID) -} - -// waitForSharedContainerData waits for shared container data to be available -func (nnc *NetworkNeighborhoodCacheImpl) waitForSharedContainerData(containerID string, ctx context.Context) (*objectcache.WatchedContainerData, error) { - return backoff.Retry(ctx, func() (*objectcache.WatchedContainerData, error) { - if sharedData := nnc.k8sObjectCache.GetSharedContainerData(containerID); sharedData != nil { - return sharedData, nil - } - return nil, fmt.Errorf("container %s not found in shared data", containerID) - }, backoff.WithBackOff(backoff.NewExponentialBackOff())) -} - -func (nnc *NetworkNeighborhoodCacheImpl) networkNeighborhoodKey(namespace, name string) string { - return fmt.Sprintf("%s/%s", namespace, name) -} - -func (nnc *NetworkNeighborhoodCacheImpl) wlidKey(wlid, templateHash string) string { - return fmt.Sprintf("%s/%s", wlid, templateHash) -} - -// GetNetworkNeighborhood gets the network neighborhood for a container -func (nnc *NetworkNeighborhoodCacheImpl) GetNetworkNeighborhood(containerID string) *v1beta1.NetworkNeighborhood { - // Get container info - if containerInfo, exists := nnc.containerIDToInfo.Load(containerID); exists { - workloadID := containerInfo.WorkloadID - if workloadID == "" { - return nil - } - - // Try to get network neighborhood from cache - if nn, exists := nnc.workloadIDToNetworkNeighborhood.Load(workloadID); exists { - if nn != nil { - return nn - } - } - } - - return nil -} - -// GetNetworkNeighborhoodState gets the profile state for a container -func (nnc *NetworkNeighborhoodCacheImpl) GetNetworkNeighborhoodState(containerID string) *objectcache.ProfileState { - // Get container info - containerInfo, exists := nnc.containerIDToInfo.Load(containerID) - if !exists { - return &objectcache.ProfileState{ - Error: fmt.Errorf("container %s not found in cache", containerID), - } - } - - workloadID := containerInfo.WorkloadID - if workloadID == "" { - return &objectcache.ProfileState{ - Error: fmt.Errorf("no workload ID for container %s", containerID), - } - } - - // Try to get profile state from cache - if profileState, exists := nnc.workloadIDToProfileState.Load(workloadID); exists { - if profileState != nil { - return profileState - } - return &objectcache.ProfileState{ - Error: fmt.Errorf("network neighborhood state is nil for workload %s", workloadID), - } - } - - return &objectcache.ProfileState{ - Error: fmt.Errorf("profile state not found for workload ID %s", workloadID), - } -} - -// performMerge merges a user-managed network neighborhood with a normal network neighborhood -func (nnc *NetworkNeighborhoodCacheImpl) performMerge(normalNN, userManagedNN *v1beta1.NetworkNeighborhood) *v1beta1.NetworkNeighborhood { - mergedNN := normalNN.DeepCopy() - - // Merge spec - mergedNN.Spec.Containers = nnc.mergeContainers(mergedNN.Spec.Containers, userManagedNN.Spec.Containers) - mergedNN.Spec.InitContainers = nnc.mergeContainers(mergedNN.Spec.InitContainers, userManagedNN.Spec.InitContainers) - mergedNN.Spec.EphemeralContainers = nnc.mergeContainers(mergedNN.Spec.EphemeralContainers, userManagedNN.Spec.EphemeralContainers) - - // Merge LabelSelector - if userManagedNN.Spec.LabelSelector.MatchLabels != nil { - if mergedNN.Spec.LabelSelector.MatchLabels == nil { - mergedNN.Spec.LabelSelector.MatchLabels = make(map[string]string) - } - for k, v := range userManagedNN.Spec.LabelSelector.MatchLabels { - mergedNN.Spec.LabelSelector.MatchLabels[k] = v - } - } - mergedNN.Spec.LabelSelector.MatchExpressions = append( - mergedNN.Spec.LabelSelector.MatchExpressions, - userManagedNN.Spec.LabelSelector.MatchExpressions..., - ) - - return mergedNN -} - -func (nnc *NetworkNeighborhoodCacheImpl) mergeContainers(normalContainers, userManagedContainers []v1beta1.NetworkNeighborhoodContainer) []v1beta1.NetworkNeighborhoodContainer { - if len(userManagedContainers) != len(normalContainers) { - // If the number of containers don't match, we can't merge - logger.L().Warning("NetworkNeighborhoodCacheImpl - failed to merge user-managed profile with base profile", - helpers.Int("normalContainers len", len(normalContainers)), - helpers.Int("userManagedContainers len", len(userManagedContainers)), - helpers.String("reason", "number of containers don't match")) - return normalContainers - } - - // Assuming the normalContainers are already in the correct Pod order - // We'll merge user containers at their corresponding positions - for i := range normalContainers { - for _, userContainer := range userManagedContainers { - if normalContainers[i].Name == userContainer.Name { - nnc.mergeContainer(&normalContainers[i], &userContainer) - break - } - } - } - return normalContainers -} - -func (nnc *NetworkNeighborhoodCacheImpl) mergeContainer(normalContainer, userContainer *v1beta1.NetworkNeighborhoodContainer) { - // Merge ingress rules - normalContainer.Ingress = nnc.mergeNetworkNeighbors(normalContainer.Ingress, userContainer.Ingress) - - // Merge egress rules - normalContainer.Egress = nnc.mergeNetworkNeighbors(normalContainer.Egress, userContainer.Egress) -} - -func (nnc *NetworkNeighborhoodCacheImpl) mergeNetworkNeighbors(normalNeighbors, userNeighbors []v1beta1.NetworkNeighbor) []v1beta1.NetworkNeighbor { - // Use map to track existing neighbors by identifier - neighborMap := make(map[string]int) - for i, neighbor := range normalNeighbors { - neighborMap[neighbor.Identifier] = i - } - - // Merge or append user neighbors - for _, userNeighbor := range userNeighbors { - if idx, exists := neighborMap[userNeighbor.Identifier]; exists { - // Merge existing neighbor - normalNeighbors[idx] = nnc.mergeNetworkNeighbor(normalNeighbors[idx], userNeighbor) - } else { - // Append new neighbor - normalNeighbors = append(normalNeighbors, userNeighbor) - } - } - - return normalNeighbors -} - -func (nnc *NetworkNeighborhoodCacheImpl) mergeNetworkNeighbor(normal, user v1beta1.NetworkNeighbor) v1beta1.NetworkNeighbor { - merged := normal.DeepCopy() - - // Merge DNS names (removing duplicates) - dnsNamesSet := make(map[string]struct{}) - for _, dns := range normal.DNSNames { - dnsNamesSet[dns] = struct{}{} - } - for _, dns := range user.DNSNames { - dnsNamesSet[dns] = struct{}{} - } - merged.DNSNames = make([]string, 0, len(dnsNamesSet)) - for dns := range dnsNamesSet { - merged.DNSNames = append(merged.DNSNames, dns) - } - - // Merge ports based on patchMergeKey (name) - merged.Ports = nnc.mergeNetworkPorts(merged.Ports, user.Ports) - - // Merge pod selector if provided - if user.PodSelector != nil { - if merged.PodSelector == nil { - merged.PodSelector = &metav1.LabelSelector{} - } - if user.PodSelector.MatchLabels != nil { - if merged.PodSelector.MatchLabels == nil { - merged.PodSelector.MatchLabels = make(map[string]string) - } - for k, v := range user.PodSelector.MatchLabels { - merged.PodSelector.MatchLabels[k] = v - } - } - merged.PodSelector.MatchExpressions = append( - merged.PodSelector.MatchExpressions, - user.PodSelector.MatchExpressions..., - ) - } - - // Merge namespace selector if provided - if user.NamespaceSelector != nil { - if merged.NamespaceSelector == nil { - merged.NamespaceSelector = &metav1.LabelSelector{} - } - if user.NamespaceSelector.MatchLabels != nil { - if merged.NamespaceSelector.MatchLabels == nil { - merged.NamespaceSelector.MatchLabels = make(map[string]string) - } - for k, v := range user.NamespaceSelector.MatchLabels { - merged.NamespaceSelector.MatchLabels[k] = v - } - } - merged.NamespaceSelector.MatchExpressions = append( - merged.NamespaceSelector.MatchExpressions, - user.NamespaceSelector.MatchExpressions..., - ) - } - - // Take the user's IP address if provided - if user.IPAddress != "" { - merged.IPAddress = user.IPAddress - } - - // Take the user's type if provided - if user.Type != "" { - merged.Type = user.Type - } - - return *merged -} - -func (nnc *NetworkNeighborhoodCacheImpl) mergeNetworkPorts(normalPorts, userPorts []v1beta1.NetworkPort) []v1beta1.NetworkPort { - // Use map to track existing ports by name (patchMergeKey) - portMap := make(map[string]int) - for i, port := range normalPorts { - portMap[port.Name] = i - } - - // Merge or append user ports - for _, userPort := range userPorts { - if idx, exists := portMap[userPort.Name]; exists { - // Update existing port - normalPorts[idx] = userPort - } else { - // Append new port - normalPorts = append(normalPorts, userPort) - } - } - - return normalPorts -} - -// workloadHasUserDefinedNetwork returns true if any container tracked for -// the given workloadID has a user-defined-network label set. -func (nnc *NetworkNeighborhoodCacheImpl) workloadHasUserDefinedNetwork(workloadID string) bool { - found := false - nnc.containerIDToInfo.Range(func(_ string, info *ContainerInfo) bool { - if info.WorkloadID == workloadID && info.UserDefinedNetwork != "" { - found = true - return false // stop iteration - } - return true - }) - return found -} - -// verifyNetworkNeighborhood verifies the NN signature. -// Always checks signed NNs for tamper (emits R1016 alert on tamper). -// When EnableSignatureVerification is true, also rejects tampered/unsigned NNs. -// Returns error if the NN should not be loaded, nil otherwise. -func (nnc *NetworkNeighborhoodCacheImpl) verifyNetworkNeighborhood(nn *v1beta1.NetworkNeighborhood, workloadID string) error { - adapter := profiles.NewNetworkNeighborhoodAdapter(nn) - - // Always check signed NNs for tamper, regardless of enforcement setting - if signature.IsSigned(adapter) { - if err := signature.VerifyObjectStrict(adapter); err != nil { - logger.L().Warning("network neighborhood signature verification failed (tamper detected)", - helpers.String("name", nn.Name), - helpers.String("namespace", nn.Namespace), - helpers.String("workloadID", workloadID), - helpers.Error(err)) - - // Emit R1016 tamper alert - nnc.emitTamperAlert(nn.Name, nn.Namespace, workloadID, "NetworkNeighborhood", err) - - if nnc.cfg.EnableSignatureVerification { - return err - } - // Enforcement off: allow loading despite tamper - return nil - } - return nil - } - - // Not signed - if nnc.cfg.EnableSignatureVerification { - return fmt.Errorf("network neighborhood is not signed") - } - return nil -} - -// emitTamperAlert sends an R1016 "Signed profile tampered" alert via the exporter. -func (nnc *NetworkNeighborhoodCacheImpl) emitTamperAlert(nnName, namespace, workloadID, objectKind string, verifyErr error) { - if nnc.exporter == nil { - return - } - - ruleFailure := &types.GenericRuleFailure{ - BaseRuntimeAlert: armotypes.BaseRuntimeAlert{ - AlertName: "Signed profile tampered", - InfectedPID: 1, - Severity: 10, - FixSuggestions: "Investigate who modified the " + objectKind + " '" + nnName + "' in namespace '" + namespace + "'. Re-sign the profile after verifying its contents.", - }, - AlertType: armotypes.AlertTypeRule, - RuntimeProcessDetails: armotypes.ProcessTree{ - ProcessTree: armotypes.Process{ - PID: 1, - Comm: "node-agent", - }, - }, - RuleAlert: armotypes.RuleAlert{ - RuleDescription: fmt.Sprintf("Signed %s '%s' in namespace '%s' has been tampered with: %v", objectKind, nnName, namespace, verifyErr), - }, - RuntimeAlertK8sDetails: armotypes.RuntimeAlertK8sDetails{ - Namespace: namespace, - }, - RuleID: "R1016", - } - - // Populate workload details from workloadID if available - ruleFailure.SetWorkloadDetails(extractWlidFromWorkloadID(workloadID)) - - nnc.exporter.SendRuleAlert(ruleFailure) -} - -// extractWlidFromWorkloadID extracts the wlid part from a "wlid/templateHash" key. -func extractWlidFromWorkloadID(workloadID string) string { - if idx := strings.LastIndex(workloadID, "/"); idx > 0 { - return workloadID[:idx] - } - return workloadID -} - -func isUserManagedNN(nn *v1beta1.NetworkNeighborhood) bool { - return nn.Annotations != nil && - nn.Annotations[helpersv1.ManagedByMetadataKey] == helpersv1.ManagedByUserValue && - strings.HasPrefix(nn.GetName(), helpersv1.UserNetworkNeighborhoodPrefix) -} - -// getNamespaces retrieves all unique namespaces from the container info cache -func (nnc *NetworkNeighborhoodCacheImpl) getNamespaces() []string { - namespaceSet := mapset.NewSet[string]() - nnc.containerIDToInfo.Range(func(_ string, info *ContainerInfo) bool { - namespaceSet.Add(info.Namespace) - return true - }) - return namespaceSet.ToSlice() -} - -// getContainerIDsForNamespace retrieves all container IDs for a given namespace -func (nnc *NetworkNeighborhoodCacheImpl) getContainerIDsForNamespace(namespace string) []string { - containerIDs := []string{} - nnc.containerIDToInfo.Range(func(containerID string, info *ContainerInfo) bool { - if info.Namespace == namespace { - containerIDs = append(containerIDs, containerID) - } - return true - }) - return containerIDs -} - -// Ensure NetworkNeighborhoodCacheImpl implements the NetworkNeighborhoodCache interface -var _ objectcache.NetworkNeighborhoodCache = (*NetworkNeighborhoodCacheImpl)(nil) diff --git a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache_test.go b/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache_test.go deleted file mode 100644 index 47ea2097e5..0000000000 --- a/pkg/objectcache/networkneighborhoodcache/networkneighborhoodcache_test.go +++ /dev/null @@ -1,101 +0,0 @@ -package networkneighborhoodcache - -import ( - "context" - "fmt" - "testing" - - "github.com/kubescape/node-agent/pkg/config" - "github.com/kubescape/node-agent/pkg/storage" - "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" - metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" -) - -// SpyProfileClient for testing pagination -type SpyProfileClient struct { - storage.ProfileClient - NetworkNeighborhoods []v1beta1.NetworkNeighborhood - CallCount int -} - -func (m *SpyProfileClient) ListNetworkNeighborhoods(namespace string, limit int64, cont string) (*v1beta1.NetworkNeighborhoodList, error) { - m.CallCount++ - start := 0 - if cont != "" { - fmt.Sscanf(cont, "%d", &start) - } - - end := start + int(limit) - nextCont := "" - if end < len(m.NetworkNeighborhoods) { - nextCont = fmt.Sprintf("%d", end) - } else { - end = len(m.NetworkNeighborhoods) - } - - return &v1beta1.NetworkNeighborhoodList{ - ListMeta: metav1.ListMeta{ - Continue: nextCont, - }, - Items: m.NetworkNeighborhoods[start:end], - }, nil -} - -func (m *SpyProfileClient) ListApplicationProfiles(namespace string, limit int64, cont string) (*v1beta1.ApplicationProfileList, error) { - return &v1beta1.ApplicationProfileList{}, nil -} - -func (m *SpyProfileClient) GetNetworkNeighborhood(namespace, name string) (*v1beta1.NetworkNeighborhood, error) { - // Return empty object - return &v1beta1.NetworkNeighborhood{ - ObjectMeta: metav1.ObjectMeta{ - Name: name, - Namespace: namespace, - Annotations: map[string]string{ - "kubescape.io/completion": "complete", - "kubescape.io/status": "completed", - }, - }, - }, nil -} - -func TestPagination(t *testing.T) { - totalItems := 120 - items := make([]v1beta1.NetworkNeighborhood, totalItems) - for i := 0; i < totalItems; i++ { - items[i] = v1beta1.NetworkNeighborhood{ - ObjectMeta: metav1.ObjectMeta{ - Name: fmt.Sprintf("nn-%d", i), - Namespace: "default", - Annotations: map[string]string{ - "kubescape.io/completion": "complete", - "kubescape.io/status": "completed", - }, - Labels: map[string]string{ - "kubescape.io/wlid-template-hash": "hash", - }, - }, - } - } - - spy := &SpyProfileClient{NetworkNeighborhoods: items} - - cache := NewNetworkNeighborhoodCache(config.Config{}, spy, nil, nil) - - // Inject a container so that "default" namespace is processed. - cache.containerIDToInfo.Set("test-container", &ContainerInfo{ - Namespace: "default", - WorkloadID: "wlid", - }) - - // Call the private method - cache.updateAllNetworkNeighborhoods(context.Background()) - - // We expect 3 calls: - // 1. 0-50, returns continue="50" - // 2. 50-100, returns continue="100" - // 3. 100-120, returns continue="" - if spy.CallCount != 3 { - t.Errorf("Expected 3 calls to ListNetworkNeighborhoods, got %d", spy.CallCount) - } -} diff --git a/pkg/objectcache/networkneighborhoodcache_interface.go b/pkg/objectcache/networkneighborhoodcache_interface.go deleted file mode 100644 index fe617ced6d..0000000000 --- a/pkg/objectcache/networkneighborhoodcache_interface.go +++ /dev/null @@ -1,28 +0,0 @@ -package objectcache - -import ( - containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" - "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" -) - -type NetworkNeighborhoodCache interface { - GetNetworkNeighborhood(containerID string) *v1beta1.NetworkNeighborhood - GetNetworkNeighborhoodState(containerID string) *ProfileState - ContainerCallback(notif containercollection.PubSubEvent) -} - -var _ NetworkNeighborhoodCache = (*NetworkNeighborhoodCacheMock)(nil) - -type NetworkNeighborhoodCacheMock struct { -} - -func (nn *NetworkNeighborhoodCacheMock) GetNetworkNeighborhood(_ string) *v1beta1.NetworkNeighborhood { - return nil -} - -func (nn *NetworkNeighborhoodCacheMock) ContainerCallback(_ containercollection.PubSubEvent) { -} - -func (nn *NetworkNeighborhoodCacheMock) GetNetworkNeighborhoodState(_ string) *ProfileState { - return nil -} diff --git a/pkg/objectcache/objectcache_interface.go b/pkg/objectcache/objectcache_interface.go index 8621b0b84e..ce89ff12fe 100644 --- a/pkg/objectcache/objectcache_interface.go +++ b/pkg/objectcache/objectcache_interface.go @@ -2,8 +2,7 @@ package objectcache type ObjectCache interface { K8sObjectCache() K8sObjectCache - ApplicationProfileCache() ApplicationProfileCache - NetworkNeighborhoodCache() NetworkNeighborhoodCache + ContainerProfileCache() ContainerProfileCache DnsCache() DnsCache } @@ -19,11 +18,8 @@ func (om *ObjectCacheMock) K8sObjectCache() K8sObjectCache { return &K8sObjectCacheMock{} } -func (om *ObjectCacheMock) ApplicationProfileCache() ApplicationProfileCache { - return &ApplicationProfileCacheMock{} -} -func (om *ObjectCacheMock) NetworkNeighborhoodCache() NetworkNeighborhoodCache { - return &NetworkNeighborhoodCacheMock{} +func (om *ObjectCacheMock) ContainerProfileCache() ContainerProfileCache { + return &ContainerProfileCacheMock{} } func (om *ObjectCacheMock) DnsCache() DnsCache { diff --git a/pkg/objectcache/shared_container_data.go b/pkg/objectcache/shared_container_data.go index a1e8cd76c4..606ed3bd21 100644 --- a/pkg/objectcache/shared_container_data.go +++ b/pkg/objectcache/shared_container_data.go @@ -88,6 +88,7 @@ type WatchedContainerData struct { UserDefinedProfile string UserDefinedNetwork string LabelOverrides map[string]string // optional label overrides applied after GetLabels() + LearningPeriod time.Duration } type ContainerInfo struct { @@ -96,31 +97,19 @@ type ContainerInfo struct { ImageID string } +func formatDuration(d time.Duration) string { + s := d.String() + s = strings.Replace(s, "m0s", "m", 1) + s = strings.Replace(s, "h0m", "h", 1) + return s +} + func GetLabels(cloudMetadata *armotypes.CloudMetadata, watchedContainer *WatchedContainerData, stripContainer bool) map[string]string { labels := watchedContainer.InstanceID.GetLabels() - for i := range labels { - if labels[i] == "" || (stripContainer && i == helpersv1.ContainerNameMetadataKey) { - delete(labels, i) - continue - } - if errs := content.IsLabelValue(labels[i]); len(errs) != 0 { - logger.L().Debug("GetLabels - label is not valid", helpers.String("label", labels[i])) - for j := range errs { - logger.L().Debug("GetLabels - label err description", helpers.String("Err: ", errs[j])) - } - delete(labels, i) - } - } + labels[helpersv1.LearningPeriodMetadataKey] = formatDuration(watchedContainer.LearningPeriod) // Apply label overrides for k, v := range watchedContainer.LabelOverrides { - if v == "" { - delete(labels, k) - } else if errs := content.IsLabelValue(v); len(errs) != 0 { - logger.L().Warning("GetLabels - label override value is not valid, skipping", helpers.String("key", k), helpers.String("value", v)) - delete(labels, k) - } else { - labels[k] = v - } + labels[k] = v } if watchedContainer.ParentResourceVersion != "" { labels[helpersv1.ResourceVersionMetadataKey] = watchedContainer.ParentResourceVersion @@ -140,6 +129,20 @@ func GetLabels(cloudMetadata *armotypes.CloudMetadata, watchedContainer *Watched labels[helpersv1.RegionMetadataKey] = region } } + // Sanitize labels + for i := range labels { + if labels[i] == "" || (stripContainer && i == helpersv1.ContainerNameMetadataKey) { + delete(labels, i) + continue + } + if errs := content.IsLabelValue(labels[i]); len(errs) != 0 { + logger.L().Debug("GetLabels - label is not valid", helpers.String("label", labels[i])) + for j := range errs { + logger.L().Debug("GetLabels - label err description", helpers.String("Err: ", errs[j])) + } + delete(labels, i) + } + } return labels } diff --git a/pkg/objectcache/shared_container_data_test.go b/pkg/objectcache/shared_container_data_test.go index 63eb1983c3..ff1cd4752c 100644 --- a/pkg/objectcache/shared_container_data_test.go +++ b/pkg/objectcache/shared_container_data_test.go @@ -2,6 +2,7 @@ package objectcache import ( "testing" + "time" "github.com/kubescape/k8s-interface/instanceidhandler/v1" "github.com/stretchr/testify/assert" @@ -51,6 +52,7 @@ func Test_GetLabels(t *testing.T) { "kubescape.io/workload-api-version": "v1", "kubescape.io/workload-container-name": "redis", "kubescape.io/workload-kind": "Deployment", + "kubescape.io/learning-period": "0s", "kubescape.io/workload-name": "redis", "kubescape.io/workload-namespace": "aaa", }, @@ -67,6 +69,7 @@ func Test_GetLabels(t *testing.T) { want: map[string]string{ "kubescape.io/workload-api-version": "v1", "kubescape.io/workload-kind": "Deployment", + "kubescape.io/learning-period": "0s", "kubescape.io/workload-name": "redis", "kubescape.io/workload-namespace": "aaa", }, @@ -79,3 +82,36 @@ func Test_GetLabels(t *testing.T) { }) } } + +func Test_formatDuration(t *testing.T) { + tests := []struct { + d time.Duration + want string + }{ + { + d: 5 * time.Minute, + want: "5m", + }, + { + d: 1*time.Hour + 30*time.Minute, + want: "1h30m", + }, + { + d: 45 * time.Second, + want: "45s", + }, + { + d: 1*time.Hour + 30*time.Second, + want: "1h30s", + }, + { + d: 1 * time.Hour, + want: "1h", + }, + } + for _, tt := range tests { + t.Run(tt.d.String(), func(t *testing.T) { + assert.Equal(t, tt.want, formatDuration(tt.d)) + }) + } +} diff --git a/pkg/objectcache/v1/mock.go b/pkg/objectcache/v1/mock.go index c6cdeeb945..98c41e0db3 100644 --- a/pkg/objectcache/v1/mock.go +++ b/pkg/objectcache/v1/mock.go @@ -2,24 +2,40 @@ package objectcache import ( "context" + "errors" corev1 "k8s.io/api/core/v1" "github.com/goradd/maps" containercollection "github.com/inspektor-gadget/inspektor-gadget/pkg/container-collection" "github.com/kubescape/node-agent/pkg/objectcache" - "github.com/kubescape/node-agent/pkg/objectcache/applicationprofilecache/callstackcache" + "github.com/kubescape/node-agent/pkg/objectcache/callstackcache" "github.com/kubescape/node-agent/pkg/watcher" "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" "k8s.io/apimachinery/pkg/runtime" ) -// RuleObjectCacheMock implementation as provided +// RuleObjectCacheMock is a test double for RuleObjectCache. +// +// Setter partition contract — SetApplicationProfile and SetNetworkNeighborhood +// both write into cpByContainerName entries but own non-overlapping fields: +// +// SetApplicationProfile → Architectures, Capabilities, Execs, Opens, Syscalls, +// SeccompProfile, Endpoints, ImageID, ImageTag, +// PolicyByRuleId, IdentifiedCallStacks +// SetNetworkNeighborhood → LabelSelector, Ingress, Egress +// +// Calling both setters produces a fully-populated ContainerProfile with no +// field conflict. Both setters apply a first-container-wins rule for r.cp +// (backward-compat pointer for single-container tests); the per-container map +// cpByContainerName is authoritative for multi-container tests. type RuleObjectCacheMock struct { profile *v1beta1.ApplicationProfile podSpec *corev1.PodSpec podStatus *corev1.PodStatus nn *v1beta1.NetworkNeighborhood + cp *v1beta1.ContainerProfile + cpByContainerName map[string]*v1beta1.ContainerProfile dnsCache map[string]string ContainerIDToSharedData *maps.SafeMap[string, *objectcache.WatchedContainerData] } @@ -34,9 +50,78 @@ func (r *RuleObjectCacheMock) GetCallStackSearchTree(string) *callstackcache.Cal func (r *RuleObjectCacheMock) SetApplicationProfile(profile *v1beta1.ApplicationProfile) { r.profile = profile + if profile == nil { + return + } + if r.cpByContainerName == nil { + r.cpByContainerName = make(map[string]*v1beta1.ContainerProfile) + } + apply := func(c *v1beta1.ApplicationProfileContainer) { + cp, ok := r.cpByContainerName[c.Name] + if !ok { + cp = &v1beta1.ContainerProfile{} + r.cpByContainerName[c.Name] = cp + } + cp.Spec.Architectures = profile.Spec.Architectures + cp.Spec.Capabilities = c.Capabilities + cp.Spec.Execs = c.Execs + cp.Spec.Opens = c.Opens + cp.Spec.Syscalls = c.Syscalls + cp.Spec.SeccompProfile = c.SeccompProfile + cp.Spec.Endpoints = c.Endpoints + cp.Spec.ImageID = c.ImageID + cp.Spec.ImageTag = c.ImageTag + cp.Spec.PolicyByRuleId = c.PolicyByRuleId + cp.Spec.IdentifiedCallStacks = c.IdentifiedCallStacks + } + for i := range profile.Spec.Containers { + apply(&profile.Spec.Containers[i]) + } + for i := range profile.Spec.InitContainers { + apply(&profile.Spec.InitContainers[i]) + } + for i := range profile.Spec.EphemeralContainers { + apply(&profile.Spec.EphemeralContainers[i]) + } + // r.cp = first container's entry (backward compat for single-container tests). + switch { + case len(profile.Spec.Containers) > 0: + r.cp = r.cpByContainerName[profile.Spec.Containers[0].Name] + case len(profile.Spec.InitContainers) > 0: + r.cp = r.cpByContainerName[profile.Spec.InitContainers[0].Name] + case len(profile.Spec.EphemeralContainers) > 0: + r.cp = r.cpByContainerName[profile.Spec.EphemeralContainers[0].Name] + } } -func (r *RuleObjectCacheMock) ApplicationProfileCache() objectcache.ApplicationProfileCache { +func (r *RuleObjectCacheMock) GetContainerProfile(containerID string) *v1beta1.ContainerProfile { + if r.ContainerIDToSharedData != nil && containerID != "" { + data, ok := r.ContainerIDToSharedData.Load(containerID) + if !ok { + return nil + } + // Resolve the per-container profile via the registered InstanceID so + // multi-container tests get the correct container's profile. + if data != nil && data.InstanceID != nil { + if cp, found := r.cpByContainerName[data.InstanceID.GetContainerName()]; found { + return cp + } + } + } + return r.cp +} + +func (r *RuleObjectCacheMock) SetContainerProfile(cp *v1beta1.ContainerProfile) { + r.cp = cp +} + +func (r *RuleObjectCacheMock) GetContainerProfileState(_ string) *objectcache.ProfileState { + return &objectcache.ProfileState{Error: errors.New("mock: profile not found")} +} + +func (r *RuleObjectCacheMock) Start(_ context.Context) {} + +func (r *RuleObjectCacheMock) ContainerProfileCache() objectcache.ContainerProfileCache { return r } @@ -87,16 +172,46 @@ func (r *RuleObjectCacheMock) K8sObjectCache() objectcache.K8sObjectCache { return r } -func (r *RuleObjectCacheMock) NetworkNeighborhoodCache() objectcache.NetworkNeighborhoodCache { - return r -} - func (r *RuleObjectCacheMock) GetNetworkNeighborhood(string) *v1beta1.NetworkNeighborhood { return r.nn } func (r *RuleObjectCacheMock) SetNetworkNeighborhood(nn *v1beta1.NetworkNeighborhood) { r.nn = nn + if nn == nil { + return + } + if r.cpByContainerName == nil { + r.cpByContainerName = make(map[string]*v1beta1.ContainerProfile) + } + apply := func(c *v1beta1.NetworkNeighborhoodContainer) { + cp, ok := r.cpByContainerName[c.Name] + if !ok { + cp = &v1beta1.ContainerProfile{} + r.cpByContainerName[c.Name] = cp + } + cp.Spec.LabelSelector = nn.Spec.LabelSelector + cp.Spec.Ingress = c.Ingress + cp.Spec.Egress = c.Egress + } + for i := range nn.Spec.Containers { + apply(&nn.Spec.Containers[i]) + } + for i := range nn.Spec.InitContainers { + apply(&nn.Spec.InitContainers[i]) + } + for i := range nn.Spec.EphemeralContainers { + apply(&nn.Spec.EphemeralContainers[i]) + } + // r.cp = first container's entry (backward compat for single-container tests). + switch { + case len(nn.Spec.Containers) > 0: + r.cp = r.cpByContainerName[nn.Spec.Containers[0].Name] + case len(nn.Spec.InitContainers) > 0: + r.cp = r.cpByContainerName[nn.Spec.InitContainers[0].Name] + case len(nn.Spec.EphemeralContainers) > 0: + r.cp = r.cpByContainerName[nn.Spec.EphemeralContainers[0].Name] + } } func (r *RuleObjectCacheMock) DnsCache() objectcache.DnsCache { diff --git a/pkg/objectcache/v1/objectcache.go b/pkg/objectcache/v1/objectcache.go index 9986077ee6..c1820a909e 100644 --- a/pkg/objectcache/v1/objectcache.go +++ b/pkg/objectcache/v1/objectcache.go @@ -8,16 +8,14 @@ var _ objectcache.ObjectCache = (*ObjectCacheImpl)(nil) type ObjectCacheImpl struct { k objectcache.K8sObjectCache - ap objectcache.ApplicationProfileCache - np objectcache.NetworkNeighborhoodCache + cp objectcache.ContainerProfileCache dc objectcache.DnsCache } -func NewObjectCache(k objectcache.K8sObjectCache, ap objectcache.ApplicationProfileCache, np objectcache.NetworkNeighborhoodCache, dc objectcache.DnsCache) *ObjectCacheImpl { +func NewObjectCache(k objectcache.K8sObjectCache, cp objectcache.ContainerProfileCache, dc objectcache.DnsCache) *ObjectCacheImpl { return &ObjectCacheImpl{ k: k, - ap: ap, - np: np, + cp: cp, dc: dc, } } @@ -26,11 +24,8 @@ func (o *ObjectCacheImpl) K8sObjectCache() objectcache.K8sObjectCache { return o.k } -func (o *ObjectCacheImpl) ApplicationProfileCache() objectcache.ApplicationProfileCache { - return o.ap -} -func (o *ObjectCacheImpl) NetworkNeighborhoodCache() objectcache.NetworkNeighborhoodCache { - return o.np +func (o *ObjectCacheImpl) ContainerProfileCache() objectcache.ContainerProfileCache { + return o.cp } func (o *ObjectCacheImpl) DnsCache() objectcache.DnsCache { diff --git a/pkg/objectcache/v1/objectcache_test.go b/pkg/objectcache/v1/objectcache_test.go index 207722ea5a..6af7e69c5e 100644 --- a/pkg/objectcache/v1/objectcache_test.go +++ b/pkg/objectcache/v1/objectcache_test.go @@ -10,18 +10,12 @@ import ( func TestK8sObjectCache(t *testing.T) { k := &objectcache.K8sObjectCacheMock{} - k8sObjectCache := NewObjectCache(k, nil, nil, nil) + k8sObjectCache := NewObjectCache(k, nil, nil) assert.NotNil(t, k8sObjectCache.K8sObjectCache()) } -func TestApplicationProfileCache(t *testing.T) { - ap := &objectcache.ApplicationProfileCacheMock{} - k8sObjectCache := NewObjectCache(nil, ap, nil, nil) - assert.NotNil(t, k8sObjectCache.ApplicationProfileCache()) -} - -func TestNetworkNeighborhoodCache(t *testing.T) { - nn := &objectcache.NetworkNeighborhoodCacheMock{} - k8sObjectCache := NewObjectCache(nil, nil, nn, nil) - assert.NotNil(t, k8sObjectCache.NetworkNeighborhoodCache()) +func TestContainerProfileCache(t *testing.T) { + cp := &objectcache.ContainerProfileCacheMock{} + k8sObjectCache := NewObjectCache(nil, cp, nil) + assert.NotNil(t, k8sObjectCache.ContainerProfileCache()) } diff --git a/pkg/rulemanager/cel/libraries/applicationprofile/capability.go b/pkg/rulemanager/cel/libraries/applicationprofile/capability.go index 5f3c09f217..13cbc0866c 100644 --- a/pkg/rulemanager/cel/libraries/applicationprofile/capability.go +++ b/pkg/rulemanager/cel/libraries/applicationprofile/capability.go @@ -23,12 +23,12 @@ func (l *apLibrary) wasCapabilityUsed(containerID, capabilityName ref.Val) ref.V return types.MaybeNoSuchOverloadErr(capabilityName) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - if slices.Contains(container.Capabilities, capabilityNameStr) { + if slices.Contains(cp.Spec.Capabilities, capabilityNameStr) { return types.Bool(true) } diff --git a/pkg/rulemanager/cel/libraries/applicationprofile/exec.go b/pkg/rulemanager/cel/libraries/applicationprofile/exec.go index d7a16d0908..25b92f2366 100644 --- a/pkg/rulemanager/cel/libraries/applicationprofile/exec.go +++ b/pkg/rulemanager/cel/libraries/applicationprofile/exec.go @@ -32,14 +32,14 @@ func (l *apLibrary) wasExecuted(containerID, path ref.Val) ref.Val { return types.Bool(true) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { // Return a special error that will NOT be cached, allowing retry when profile becomes available. // The caller should convert this to false after the cache layer. return cache.NewProfileNotAvailableErr("%v", err) } - for _, exec := range container.Execs { + for _, exec := range cp.Spec.Execs { if exec.Path == pathStr { return types.Bool(true) } @@ -77,14 +77,14 @@ func (l *apLibrary) wasExecutedWithArgs(containerID, path, args ref.Val) ref.Val return types.Bool(true) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { // Return a special error that will NOT be cached, allowing retry when profile becomes available. // The caller should convert this to false after the cache layer. return cache.NewProfileNotAvailableErr("%v", err) } - for _, exec := range container.Execs { + for _, exec := range cp.Spec.Execs { if exec.Path == pathStr { if slices.Compare(exec.Args, celArgs) == 0 { return types.Bool(true) diff --git a/pkg/rulemanager/cel/libraries/applicationprofile/http.go b/pkg/rulemanager/cel/libraries/applicationprofile/http.go index ef7132e29c..fe91609a55 100644 --- a/pkg/rulemanager/cel/libraries/applicationprofile/http.go +++ b/pkg/rulemanager/cel/libraries/applicationprofile/http.go @@ -28,12 +28,12 @@ func (l *apLibrary) wasEndpointAccessed(containerID, endpoint ref.Val) ref.Val { return types.MaybeNoSuchOverloadErr(endpoint) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, ep := range container.Endpoints { + for _, ep := range cp.Spec.Endpoints { if dynamicpathdetector.CompareDynamic(ep.Endpoint, endpointStr) { return types.Bool(true) } @@ -61,12 +61,12 @@ func (l *apLibrary) wasEndpointAccessedWithMethod(containerID, endpoint, method return types.MaybeNoSuchOverloadErr(method) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, ep := range container.Endpoints { + for _, ep := range cp.Spec.Endpoints { if dynamicpathdetector.CompareDynamic(ep.Endpoint, endpointStr) { if slices.Contains(ep.Methods, methodStr) { return types.Bool(true) @@ -97,12 +97,12 @@ func (l *apLibrary) wasEndpointAccessedWithMethods(containerID, endpoint, method return types.NewErr("failed to parse methods: %v", err) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, ep := range container.Endpoints { + for _, ep := range cp.Spec.Endpoints { if dynamicpathdetector.CompareDynamic(ep.Endpoint, endpointStr) { for _, method := range celMethods { if slices.Contains(ep.Methods, method) { @@ -130,12 +130,12 @@ func (l *apLibrary) wasEndpointAccessedWithPrefix(containerID, prefix ref.Val) r return types.MaybeNoSuchOverloadErr(prefix) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, ep := range container.Endpoints { + for _, ep := range cp.Spec.Endpoints { if strings.HasPrefix(ep.Endpoint, prefixStr) { return types.Bool(true) } @@ -159,12 +159,12 @@ func (l *apLibrary) wasEndpointAccessedWithSuffix(containerID, suffix ref.Val) r return types.MaybeNoSuchOverloadErr(suffix) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, ep := range container.Endpoints { + for _, ep := range cp.Spec.Endpoints { if strings.HasSuffix(ep.Endpoint, suffixStr) { return types.Bool(true) } @@ -189,12 +189,12 @@ func (l *apLibrary) wasHostAccessed(containerID, host ref.Val) ref.Val { } // Check HTTP endpoints for host access - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, ep := range container.Endpoints { + for _, ep := range cp.Spec.Endpoints { // Parse the endpoint URL to extract host if parsedURL, err := url.Parse(ep.Endpoint); err == nil && parsedURL.Host != "" { if parsedURL.Host == hostStr || parsedURL.Hostname() == hostStr { diff --git a/pkg/rulemanager/cel/libraries/applicationprofile/open.go b/pkg/rulemanager/cel/libraries/applicationprofile/open.go index fc584e6fcb..63d8f604a4 100644 --- a/pkg/rulemanager/cel/libraries/applicationprofile/open.go +++ b/pkg/rulemanager/cel/libraries/applicationprofile/open.go @@ -25,12 +25,12 @@ func (l *apLibrary) wasPathOpened(containerID, path ref.Val) ref.Val { return types.MaybeNoSuchOverloadErr(path) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, open := range container.Opens { + for _, open := range cp.Spec.Opens { if dynamicpathdetector.CompareDynamic(open.Path, pathStr) { return types.Bool(true) } @@ -59,12 +59,12 @@ func (l *apLibrary) wasPathOpenedWithFlags(containerID, path, flags ref.Val) ref return types.NewErr("failed to parse flags: %v", err) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, open := range container.Opens { + for _, open := range cp.Spec.Opens { if dynamicpathdetector.CompareDynamic(open.Path, pathStr) { if compareOpenFlags(celFlags, open.Flags) { return types.Bool(true) @@ -89,12 +89,12 @@ func (l *apLibrary) wasPathOpenedWithSuffix(containerID, suffix ref.Val) ref.Val return types.MaybeNoSuchOverloadErr(suffix) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, open := range container.Opens { + for _, open := range cp.Spec.Opens { if strings.HasSuffix(open.Path, suffixStr) { return types.Bool(true) } @@ -117,12 +117,12 @@ func (l *apLibrary) wasPathOpenedWithPrefix(containerID, prefix ref.Val) ref.Val return types.MaybeNoSuchOverloadErr(prefix) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, open := range container.Opens { + for _, open := range cp.Spec.Opens { if strings.HasPrefix(open.Path, prefixStr) { return types.Bool(true) } diff --git a/pkg/rulemanager/cel/libraries/applicationprofile/syscall.go b/pkg/rulemanager/cel/libraries/applicationprofile/syscall.go index 7a26aa1846..7383aec5ba 100644 --- a/pkg/rulemanager/cel/libraries/applicationprofile/syscall.go +++ b/pkg/rulemanager/cel/libraries/applicationprofile/syscall.go @@ -23,12 +23,12 @@ func (l *apLibrary) wasSyscallUsed(containerID, syscallName ref.Val) ref.Val { return types.MaybeNoSuchOverloadErr(syscallName) } - container, _, err := profilehelper.GetContainerApplicationProfile(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - if slices.Contains(container.Syscalls, syscallNameStr) { + if slices.Contains(cp.Spec.Syscalls, syscallNameStr) { return types.Bool(true) } diff --git a/pkg/rulemanager/cel/libraries/k8s/k8s_test.go b/pkg/rulemanager/cel/libraries/k8s/k8s_test.go index e8001c2a8b..039c9fbeb4 100644 --- a/pkg/rulemanager/cel/libraries/k8s/k8s_test.go +++ b/pkg/rulemanager/cel/libraries/k8s/k8s_test.go @@ -61,7 +61,7 @@ func TestK8sLibrary(t *testing.T) { // Add the pod to the cache directly k8sObjCache.AddHandler(context.Background(), testPod) - objectCache := objectcache.NewObjectCache(k8sObjCache, nil, nil, nil) + objectCache := objectcache.NewObjectCache(k8sObjCache, nil, nil) env, err := cel.NewEnv( cel.Variable("event", cel.AnyType), K8s(objectCache.K8sObjectCache(), config.Config{}), @@ -134,7 +134,7 @@ func TestK8sLibraryGetContainerByName(t *testing.T) { // Add the pod to the cache directly k8sObjCache.AddHandler(context.Background(), testPod) - objectCache := objectcache.NewObjectCache(k8sObjCache, nil, nil, nil) + objectCache := objectcache.NewObjectCache(k8sObjCache, nil, nil) env, err := cel.NewEnv( cel.Variable("event", cel.AnyType), K8s(objectCache.K8sObjectCache(), config.Config{}), diff --git a/pkg/rulemanager/cel/libraries/networkneighborhood/network.go b/pkg/rulemanager/cel/libraries/networkneighborhood/network.go index 4fb334f7f1..0449ebf962 100644 --- a/pkg/rulemanager/cel/libraries/networkneighborhood/network.go +++ b/pkg/rulemanager/cel/libraries/networkneighborhood/network.go @@ -24,12 +24,12 @@ func (l *nnLibrary) wasAddressInEgress(containerID, address ref.Val) ref.Val { return types.MaybeNoSuchOverloadErr(address) } - container, err := profilehelper.GetContainerNetworkNeighborhood(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, egress := range container.Egress { + for _, egress := range cp.Spec.Egress { if egress.IPAddress == addressStr { return types.Bool(true) } @@ -52,12 +52,12 @@ func (l *nnLibrary) wasAddressInIngress(containerID, address ref.Val) ref.Val { return types.MaybeNoSuchOverloadErr(address) } - container, err := profilehelper.GetContainerNetworkNeighborhood(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, ingress := range container.Ingress { + for _, ingress := range cp.Spec.Ingress { if ingress.IPAddress == addressStr { return types.Bool(true) } @@ -80,12 +80,12 @@ func (l *nnLibrary) isDomainInEgress(containerID, domain ref.Val) ref.Val { return types.MaybeNoSuchOverloadErr(domain) } - container, err := profilehelper.GetContainerNetworkNeighborhood(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, egress := range container.Egress { + for _, egress := range cp.Spec.Egress { if slices.Contains(egress.DNSNames, domainStr) || egress.DNS == domainStr { return types.Bool(true) } @@ -108,12 +108,12 @@ func (l *nnLibrary) isDomainInIngress(containerID, domain ref.Val) ref.Val { return types.MaybeNoSuchOverloadErr(domain) } - container, err := profilehelper.GetContainerNetworkNeighborhood(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, ingress := range container.Ingress { + for _, ingress := range cp.Spec.Ingress { if slices.Contains(ingress.DNSNames, domainStr) { return types.Bool(true) } @@ -144,12 +144,12 @@ func (l *nnLibrary) wasAddressPortProtocolInEgress(containerID, address, port, p return types.MaybeNoSuchOverloadErr(protocol) } - container, err := profilehelper.GetContainerNetworkNeighborhood(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, egress := range container.Egress { + for _, egress := range cp.Spec.Egress { if egress.IPAddress == addressStr { for _, portInfo := range egress.Ports { if portInfo.Protocol == v1beta1.Protocol(protocolStr) && portInfo.Port != nil && *portInfo.Port == int32(portInt) { @@ -184,12 +184,12 @@ func (l *nnLibrary) wasAddressPortProtocolInIngress(containerID, address, port, return types.MaybeNoSuchOverloadErr(protocol) } - container, err := profilehelper.GetContainerNetworkNeighborhood(l.objectCache, containerIDStr) + cp, _, err := profilehelper.GetContainerProfile(l.objectCache, containerIDStr) if err != nil { return cache.NewProfileNotAvailableErr("%v", err) } - for _, ingress := range container.Ingress { + for _, ingress := range cp.Spec.Ingress { if ingress.IPAddress == addressStr { for _, portInfo := range ingress.Ports { if portInfo.Protocol == v1beta1.Protocol(protocolStr) && portInfo.Port != nil && *portInfo.Port == int32(portInt) { diff --git a/pkg/rulemanager/profilehelper/profilehelper.go b/pkg/rulemanager/profilehelper/profilehelper.go index f177bb0a94..0f4d5ed0e3 100644 --- a/pkg/rulemanager/profilehelper/profilehelper.go +++ b/pkg/rulemanager/profilehelper/profilehelper.go @@ -9,58 +9,19 @@ import ( corev1 "k8s.io/api/core/v1" ) -func GetApplicationProfile(containerID string, objectCache objectcache.ObjectCache) (*v1beta1.ApplicationProfile, error) { - ap := objectCache.ApplicationProfileCache().GetApplicationProfile(containerID) - if ap == nil { - return nil, errors.New("no profile available") +// GetContainerProfile returns the ContainerProfile for a containerID plus its +// SyncChecksumMetadataKey annotation. This is the forward API; legacy callers +// go through the shims below until step 6c deletes them. +func GetContainerProfile(objectCache objectcache.ObjectCache, containerID string) (*v1beta1.ContainerProfile, string, error) { + cpc := objectCache.ContainerProfileCache() + if cpc == nil { + return nil, "", errors.New("no container profile cache available") } - return ap, nil -} - -func GetNetworkNeighborhood(containerID string, objectCache objectcache.ObjectCache) (*v1beta1.NetworkNeighborhood, error) { - nn := objectCache.NetworkNeighborhoodCache().GetNetworkNeighborhood(containerID) - if nn == nil { - return nil, errors.New("no profile available") - } - return nn, nil -} - -func GetContainerFromApplicationProfile(ap *v1beta1.ApplicationProfile, containerName string) (v1beta1.ApplicationProfileContainer, error) { - for _, s := range ap.Spec.Containers { - if s.Name == containerName { - return s, nil - } - } - for _, s := range ap.Spec.InitContainers { - if s.Name == containerName { - return s, nil - } - } - for _, s := range ap.Spec.EphemeralContainers { - if s.Name == containerName { - return s, nil - } + cp := cpc.GetContainerProfile(containerID) + if cp == nil { + return nil, "", errors.New("no profile available") } - return v1beta1.ApplicationProfileContainer{}, errors.New("container not found") -} - -func GetContainerFromNetworkNeighborhood(nn *v1beta1.NetworkNeighborhood, containerName string) (v1beta1.NetworkNeighborhoodContainer, error) { - for _, c := range nn.Spec.Containers { - if c.Name == containerName { - return c, nil - } - } - for _, c := range nn.Spec.InitContainers { - if c.Name == containerName { - return c, nil - } - } - for _, c := range nn.Spec.EphemeralContainers { - if c.Name == containerName { - return c, nil - } - } - return v1beta1.NetworkNeighborhoodContainer{}, errors.New("container not found") + return cp, cp.Annotations[helpers.SyncChecksumMetadataKey], nil } func GetContainerName(objectCache objectcache.ObjectCache, containerID string) string { @@ -92,40 +53,3 @@ func GetPodSpec(objectCache objectcache.ObjectCache, containerID string) (*corev return podSpec, nil } -func GetContainerApplicationProfile(objectCache objectcache.ObjectCache, containerID string) (v1beta1.ApplicationProfileContainer, string, error) { - ap, err := GetApplicationProfile(containerID, objectCache) - if err != nil { - return v1beta1.ApplicationProfileContainer{}, "", err - } - - containerName := GetContainerName(objectCache, containerID) - if containerName == "" { - return v1beta1.ApplicationProfileContainer{}, "", errors.New("container name not found") - } - - container, err := GetContainerFromApplicationProfile(ap, containerName) - if err != nil { - return v1beta1.ApplicationProfileContainer{}, "", err - } - - return container, ap.Annotations[helpers.SyncChecksumMetadataKey], nil -} - -func GetContainerNetworkNeighborhood(objectCache objectcache.ObjectCache, containerID string) (v1beta1.NetworkNeighborhoodContainer, error) { - nn, err := GetNetworkNeighborhood(containerID, objectCache) - if err != nil { - return v1beta1.NetworkNeighborhoodContainer{}, err - } - - containerName := GetContainerName(objectCache, containerID) - if containerName == "" { - return v1beta1.NetworkNeighborhoodContainer{}, errors.New("container name not found") - } - - container, err := GetContainerFromNetworkNeighborhood(nn, containerName) - if err != nil { - return v1beta1.NetworkNeighborhoodContainer{}, err - } - - return container, nil -} diff --git a/pkg/rulemanager/rule_manager.go b/pkg/rulemanager/rule_manager.go index 7fde0990ad..a14a5ee86b 100644 --- a/pkg/rulemanager/rule_manager.go +++ b/pkg/rulemanager/rule_manager.go @@ -200,7 +200,7 @@ func (rm *RuleManager) ReportEnrichedEvent(enrichedEvent *events.EnrichedEvent) return } - _, apChecksum, err := profilehelper.GetContainerApplicationProfile(rm.objectCache, enrichedEvent.ContainerID) + _, apChecksum, err := profilehelper.GetContainerProfile(rm.objectCache, enrichedEvent.ContainerID) profileExists = err == nil // Early exit if monitoring is disabled for this context - skip rule evaluation @@ -345,9 +345,9 @@ func (rm *RuleManager) HasApplicableRuleBindings(namespace, name string) bool { func (rm *RuleManager) HasFinalApplicationProfile(pod *corev1.Pod) bool { for _, c := range utils.GetContainerStatuses(pod.Status) { - ap := rm.objectCache.ApplicationProfileCache().GetApplicationProfile(utils.TrimRuntimePrefix(c.ContainerID)) - if ap != nil { - if status, ok := ap.Annotations[helpersv1.StatusMetadataKey]; ok { + cp := rm.objectCache.ContainerProfileCache().GetContainerProfile(utils.TrimRuntimePrefix(c.ContainerID)) + if cp != nil { + if status, ok := cp.Annotations[helpersv1.StatusMetadataKey]; ok { // in theory, only completed profiles are stored in cache, but we check anyway return status == helpersv1.Completed } @@ -410,12 +410,12 @@ func (rm *RuleManager) EvaluatePolicyRulesForEvent(eventType utils.EventType, ev } func (rm *RuleManager) validateRulePolicy(rule typesv1.Rule, event utils.K8sEvent, containerID string) bool { - ap, _, err := profilehelper.GetContainerApplicationProfile(rm.objectCache, containerID) + cp, _, err := profilehelper.GetContainerProfile(rm.objectCache, containerID) if err != nil { return false } - allowed, err := rm.rulePolicyValidator.Validate(rule.ID, event.(utils.EnrichEvent).GetComm(), &ap) + allowed, err := rm.rulePolicyValidator.Validate(rule.ID, event.(utils.EnrichEvent).GetComm(), cp) if err != nil { logger.L().Error("RuleManager - failed to validate rule policy", helpers.Error(err)) return false diff --git a/pkg/rulemanager/ruleadapters/creator.go b/pkg/rulemanager/ruleadapters/creator.go index 9420569f7f..75783f9d32 100644 --- a/pkg/rulemanager/ruleadapters/creator.go +++ b/pkg/rulemanager/ruleadapters/creator.go @@ -145,7 +145,7 @@ func (r *RuleFailureCreator) setProfileMetadata(rule typesv1.Rule, ruleFailure * switch profileType { case armotypes.ApplicationProfile: - state := objectCache.ApplicationProfileCache().GetApplicationProfileState(triggerEvent.GetContainerID()) + state := objectCache.ContainerProfileCache().GetContainerProfileState(triggerEvent.GetContainerID()) if state != nil { profileMetadata := &armotypes.ProfileMetadata{ Status: state.Status, @@ -162,7 +162,7 @@ func (r *RuleFailureCreator) setProfileMetadata(rule typesv1.Rule, ruleFailure * } case armotypes.NetworkProfile: - state := objectCache.NetworkNeighborhoodCache().GetNetworkNeighborhoodState(triggerEvent.GetContainerID()) + state := objectCache.ContainerProfileCache().GetContainerProfileState(triggerEvent.GetContainerID()) if state != nil { profileMetadata := &armotypes.ProfileMetadata{ Status: state.Status, diff --git a/pkg/rulemanager/rulepolicy.go b/pkg/rulemanager/rulepolicy.go index 9a58943b00..f5562b2b2c 100644 --- a/pkg/rulemanager/rulepolicy.go +++ b/pkg/rulemanager/rulepolicy.go @@ -20,12 +20,12 @@ func NewRulePolicyValidator(objectCache objectcache.ObjectCache) *RulePolicyVali } } -func (v *RulePolicyValidator) Validate(ruleId string, process string, ap *v1beta1.ApplicationProfileContainer) (bool, error) { - if _, ok := ap.PolicyByRuleId[ruleId]; !ok { +func (v *RulePolicyValidator) Validate(ruleId string, process string, cp *v1beta1.ContainerProfile) (bool, error) { + if _, ok := cp.Spec.PolicyByRuleId[ruleId]; !ok { return false, nil } - if policy, ok := ap.PolicyByRuleId[ruleId]; ok { + if policy, ok := cp.Spec.PolicyByRuleId[ruleId]; ok { if policy.AllowedContainer || slices.Contains(policy.AllowedProcesses, process) { return true, nil } diff --git a/pkg/sbommanager/v1/sbom_manager.go b/pkg/sbommanager/v1/sbom_manager.go index 577e4e1a61..2f6d059b93 100644 --- a/pkg/sbommanager/v1/sbom_manager.go +++ b/pkg/sbommanager/v1/sbom_manager.go @@ -17,6 +17,7 @@ import ( "github.com/DmitriyVTitov/size" "github.com/anchore/syft/syft" + "github.com/anchore/syft/syft/cataloging" "github.com/anchore/syft/syft/cataloging/pkgcataloging" sbomcataloger "github.com/anchore/syft/syft/pkg/cataloger/sbom" "github.com/aquilax/truncate" @@ -471,6 +472,13 @@ func (s *SbomManager) processContainerWithMetadata(notif containercollection.Pub sbomCfg := syft.DefaultCreateSBOMConfig() sbomCfg.ToolName = "syft" sbomCfg.ToolVersion = s.version + sbomCfg = sbomCfg.WithCatalogerSelection( + cataloging.NewSelectionRequest().WithRemovals( + "file-digest-cataloger", + "file-metadata-cataloger", + "file-executable-cataloger", + ), + ) if s.cfg.EnableEmbeddedSboms { sbomCfg.WithCatalogers(pkgcataloging.NewCatalogerReference(sbomcataloger.NewCataloger(), []string{pkgcataloging.ImageTag})) } diff --git a/pkg/sbomscanner/v1/server.go b/pkg/sbomscanner/v1/server.go index 1b105bb286..360d67c70d 100644 --- a/pkg/sbomscanner/v1/server.go +++ b/pkg/sbomscanner/v1/server.go @@ -9,6 +9,7 @@ import ( "time" "github.com/anchore/syft/syft" + "github.com/anchore/syft/syft/cataloging" "github.com/anchore/syft/syft/cataloging/pkgcataloging" sbomcataloger "github.com/anchore/syft/syft/pkg/cataloger/sbom" "github.com/kubescape/go-logger" @@ -59,6 +60,13 @@ func (s *scannerServer) CreateSBOM(ctx context.Context, req *pb.CreateSBOMReques cfg := syft.DefaultCreateSBOMConfig() cfg.ToolName = "syft" cfg.ToolVersion = s.version + cfg = cfg.WithCatalogerSelection( + cataloging.NewSelectionRequest().WithRemovals( + "file-digest-cataloger", + "file-metadata-cataloger", + "file-executable-cataloger", + ), + ) if req.EnableEmbeddedSboms { cfg.WithCatalogers(pkgcataloging.NewCatalogerReference(sbomcataloger.NewCataloger(), []string{pkgcataloging.ImageTag})) } diff --git a/pkg/storage/storage_interface.go b/pkg/storage/storage_interface.go index 374b9ead8e..9a1c8125f1 100644 --- a/pkg/storage/storage_interface.go +++ b/pkg/storage/storage_interface.go @@ -1,6 +1,8 @@ package storage import ( + "context" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" spdxv1beta1 "github.com/kubescape/storage/pkg/generated/clientset/versioned/typed/softwarecomposition/v1beta1" metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" @@ -8,10 +10,11 @@ import ( ) type ProfileClient interface { - GetApplicationProfile(namespace, name string) (*v1beta1.ApplicationProfile, error) - GetNetworkNeighborhood(namespace, name string) (*v1beta1.NetworkNeighborhood, error) - ListApplicationProfiles(namespace string, limit int64, cont string) (*v1beta1.ApplicationProfileList, error) - ListNetworkNeighborhoods(namespace string, limit int64, cont string) (*v1beta1.NetworkNeighborhoodList, error) + GetApplicationProfile(ctx context.Context, namespace, name string) (*v1beta1.ApplicationProfile, error) + GetNetworkNeighborhood(ctx context.Context, namespace, name string) (*v1beta1.NetworkNeighborhood, error) + GetContainerProfile(ctx context.Context, namespace, name string) (*v1beta1.ContainerProfile, error) + ListApplicationProfiles(ctx context.Context, namespace string, limit int64, cont string) (*v1beta1.ApplicationProfileList, error) + ListNetworkNeighborhoods(ctx context.Context, namespace string, limit int64, cont string) (*v1beta1.NetworkNeighborhoodList, error) } // ProfileCreator defines the interface for creating container profiles diff --git a/pkg/storage/storage_mock.go b/pkg/storage/storage_mock.go index 1f1c0dcbc2..13e96f3aaf 100644 --- a/pkg/storage/storage_mock.go +++ b/pkg/storage/storage_mock.go @@ -1,6 +1,8 @@ package storage import ( + "context" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" spdxv1beta1 "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" beta1 "github.com/kubescape/storage/pkg/generated/clientset/versioned/typed/softwarecomposition/v1beta1" @@ -35,12 +37,21 @@ func (sc *StorageHttpClientMock) CreateSBOM(SBOM *v1beta1.SBOMSyft) (*v1beta1.SB return SBOM, nil } -func (sc *StorageHttpClientMock) GetApplicationProfile(_, _ string) (*spdxv1beta1.ApplicationProfile, error) { +func (sc *StorageHttpClientMock) GetContainerProfile(_ context.Context, namespace, name string) (*v1beta1.ContainerProfile, error) { + for _, p := range sc.ContainerProfiles { + if p != nil && p.Namespace == namespace && p.Name == name { + return p, nil + } + } + return nil, nil +} + +func (sc *StorageHttpClientMock) GetApplicationProfile(_ context.Context, _, _ string) (*spdxv1beta1.ApplicationProfile, error) { //TODO implement me panic("implement me") } -func (sc *StorageHttpClientMock) GetNetworkNeighborhood(_, _ string) (*spdxv1beta1.NetworkNeighborhood, error) { +func (sc *StorageHttpClientMock) GetNetworkNeighborhood(_ context.Context, _, _ string) (*spdxv1beta1.NetworkNeighborhood, error) { //TODO implement me panic("implement me") } @@ -52,12 +63,12 @@ func (sc *StorageHttpClientMock) GetStorageClient() beta1.SpdxV1beta1Interface { return nil } -func (sc *StorageHttpClientMock) ListApplicationProfiles(namespace string, limit int64, cont string) (*spdxv1beta1.ApplicationProfileList, error) { +func (sc *StorageHttpClientMock) ListApplicationProfiles(_ context.Context, namespace string, limit int64, cont string) (*spdxv1beta1.ApplicationProfileList, error) { //TODO implement me panic("implement me") } -func (sc *StorageHttpClientMock) ListNetworkNeighborhoods(namespace string, limit int64, cont string) (*spdxv1beta1.NetworkNeighborhoodList, error) { +func (sc *StorageHttpClientMock) ListNetworkNeighborhoods(_ context.Context, namespace string, limit int64, cont string) (*spdxv1beta1.NetworkNeighborhoodList, error) { //TODO implement me panic("implement me") } diff --git a/pkg/storage/v1/applicationprofile.go b/pkg/storage/v1/applicationprofile.go index 96fa7e1bb0..39f0543288 100644 --- a/pkg/storage/v1/applicationprofile.go +++ b/pkg/storage/v1/applicationprofile.go @@ -7,12 +7,12 @@ import ( metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" ) -func (sc *Storage) GetApplicationProfile(namespace, name string) (*v1beta1.ApplicationProfile, error) { - return sc.storageClient.ApplicationProfiles(namespace).Get(context.Background(), name, metav1.GetOptions{}) +func (sc *Storage) GetApplicationProfile(ctx context.Context, namespace, name string) (*v1beta1.ApplicationProfile, error) { + return sc.storageClient.ApplicationProfiles(namespace).Get(ctx, name, metav1.GetOptions{}) } -func (sc *Storage) ListApplicationProfiles(namespace string, limit int64, cont string) (*v1beta1.ApplicationProfileList, error) { - return sc.storageClient.ApplicationProfiles(namespace).List(context.Background(), metav1.ListOptions{ +func (sc *Storage) ListApplicationProfiles(ctx context.Context, namespace string, limit int64, cont string) (*v1beta1.ApplicationProfileList, error) { + return sc.storageClient.ApplicationProfiles(namespace).List(ctx, metav1.ListOptions{ Limit: limit, Continue: cont, }) diff --git a/pkg/storage/v1/containerprofile.go b/pkg/storage/v1/containerprofile.go index 620e42b70e..69fbc0ea5a 100644 --- a/pkg/storage/v1/containerprofile.go +++ b/pkg/storage/v1/containerprofile.go @@ -7,8 +7,12 @@ import ( metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" ) -// CreateContainerProfileDirect directly creates the profile without queuing -// This implements the ProfileCreator interface +func (sc *Storage) GetContainerProfile(ctx context.Context, namespace, name string) (*v1beta1.ContainerProfile, error) { + return sc.storageClient.ContainerProfiles(namespace).Get(ctx, name, metav1.GetOptions{}) +} + +// CreateContainerProfileDirect directly creates the profile without queuing. +// This implements the ProfileCreator interface. func (sc *Storage) CreateContainerProfileDirect(profile *v1beta1.ContainerProfile) error { // Apply name modifications if needed (keeping your existing logic) // sc.modifyNameP(&profile.Name) diff --git a/pkg/storage/v1/networkneighborhood.go b/pkg/storage/v1/networkneighborhood.go index bfe52b2e3d..cec12b97e4 100644 --- a/pkg/storage/v1/networkneighborhood.go +++ b/pkg/storage/v1/networkneighborhood.go @@ -7,12 +7,12 @@ import ( metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" ) -func (sc *Storage) GetNetworkNeighborhood(namespace, name string) (*v1beta1.NetworkNeighborhood, error) { - return sc.storageClient.NetworkNeighborhoods(namespace).Get(context.Background(), name, metav1.GetOptions{}) +func (sc *Storage) GetNetworkNeighborhood(ctx context.Context, namespace, name string) (*v1beta1.NetworkNeighborhood, error) { + return sc.storageClient.NetworkNeighborhoods(namespace).Get(ctx, name, metav1.GetOptions{}) } -func (sc *Storage) ListNetworkNeighborhoods(namespace string, limit int64, cont string) (*v1beta1.NetworkNeighborhoodList, error) { - return sc.storageClient.NetworkNeighborhoods(namespace).List(context.Background(), metav1.ListOptions{ +func (sc *Storage) ListNetworkNeighborhoods(ctx context.Context, namespace string, limit int64, cont string) (*v1beta1.NetworkNeighborhoodList, error) { + return sc.storageClient.NetworkNeighborhoods(namespace).List(ctx, metav1.ListOptions{ Limit: limit, Continue: cont, }) From 23d3d2fdcc73405738a14f29823c6f219ce74aab Mon Sep 17 00:00:00 2001 From: Entlein Date: Thu, 30 Apr 2026 11:13:16 +0200 Subject: [PATCH 14/31] test(component): port Test_28 to upstream's unified user-overlay label MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Upstream PR #788 (Replace AP and NN cache with CP) collapsed the two legacy workload-keyed caches into a single ContainerProfileCache that reads ONE pod label `kubescape.io/user-defined-profile=` and uses as the lookup key for BOTH the user ApplicationProfile and the user NetworkNeighborhood. The fork's earlier two-label scheme (`user-defined-profile` for AP + separate `user-defined-network` for NN, with potentially different names) is no longer honored — the second label is silently ignored. Port: - tests/resources/nginx-user-defined-deployment.yaml: drop the `user-defined-network` label, point the surviving label at one shared name `curl-28-overlay`. - tests/component_test.go Test_28_UserDefinedNetworkNeighborhood: create both AP and NN under that single shared name. Assertions unchanged — the test still verifies that the user NN's egress restriction (only fusioncore.ai allowed on TCP/80) is enforced once the pod is running. Verified locally: go vet -tags=component ./tests/... clean; go test -tags=component -run='^$' ./tests/... compiles cleanly. --- tests/component_test.go | 14 ++++++++++---- tests/resources/nginx-user-defined-deployment.yaml | 7 +++++-- 2 files changed, 15 insertions(+), 6 deletions(-) diff --git a/tests/component_test.go b/tests/component_test.go index 621839f228..1d97e422cc 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -2175,9 +2175,15 @@ func Test_28_UserDefinedNetworkNeighborhood(t *testing.T) { k8sClient := k8sinterface.NewKubernetesApi() storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) + // Upstream ContainerProfileCache (kubescape/node-agent#788) reads ONE + // pod label `kubescape.io/user-defined-profile=` and uses + // as the lookup key for BOTH the user AP and the user NN. + // AP and NN MUST therefore share that single name. + const overlayName = "curl-28-overlay" + ap := &v1beta1.ApplicationProfile{ ObjectMeta: metav1.ObjectMeta{ - Name: "curl-ap", + Name: overlayName, Namespace: ns.Name, }, Spec: v1beta1.ApplicationProfileSpec{ @@ -2201,7 +2207,7 @@ func Test_28_UserDefinedNetworkNeighborhood(t *testing.T) { nn := &v1beta1.NetworkNeighborhood{ ObjectMeta: metav1.ObjectMeta{ - Name: "curl-nn", + Name: overlayName, Namespace: ns.Name, Annotations: map[string]string{ helpersv1.ManagedByMetadataKey: helpersv1.ManagedByUserValue, @@ -2244,8 +2250,8 @@ func Test_28_UserDefinedNetworkNeighborhood(t *testing.T) { require.NoError(t, err, "create NN") require.Eventually(t, func() bool { - _, apErr := storageClient.ApplicationProfiles(ns.Name).Get(context.Background(), "curl-ap", v1.GetOptions{}) - _, nnErr := storageClient.NetworkNeighborhoods(ns.Name).Get(context.Background(), "curl-nn", v1.GetOptions{}) + _, apErr := storageClient.ApplicationProfiles(ns.Name).Get(context.Background(), overlayName, v1.GetOptions{}) + _, nnErr := storageClient.NetworkNeighborhoods(ns.Name).Get(context.Background(), overlayName, v1.GetOptions{}) return apErr == nil && nnErr == nil }, 30*time.Second, 1*time.Second, "AP+NN must be in storage before pod deploy") diff --git a/tests/resources/nginx-user-defined-deployment.yaml b/tests/resources/nginx-user-defined-deployment.yaml index 8e68df16bb..c21c6b080f 100644 --- a/tests/resources/nginx-user-defined-deployment.yaml +++ b/tests/resources/nginx-user-defined-deployment.yaml @@ -13,8 +13,11 @@ spec: metadata: labels: app: curl-28 - kubescape.io/user-defined-network: curl-nn - kubescape.io/user-defined-profile: curl-ap + # Upstream ContainerProfileCache (kubescape/node-agent#788) reads ONE + # label and uses its value as the name of BOTH the user-defined + # ApplicationProfile and the user-defined NetworkNeighborhood. The + # AP and NN below MUST share the same name as this label value. + kubescape.io/user-defined-profile: curl-28-overlay spec: containers: - name: curl From a83bb695ae125e96b8e8323d41d12030b491ca7c Mon Sep 17 00:00:00 2001 From: Entlein Date: Thu, 30 Apr 2026 11:23:02 +0200 Subject: [PATCH 15/31] feat(cel): re-port CompareExecArgs hookup onto upstream's CP cache MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit PR #35's wildcard-aware exec arg matching needs reapplication on top of the new ContainerProfileCache (upstream #788) baseline. The original PR sat on the legacy applicationprofilecache, which has been deleted; the call site now reads cp.Spec.Execs from a ContainerProfile. Same semantic change as PR #35: '⋯' (DynamicIdentifier) — matches exactly one argument position. '*' (WildcardIdentifier) — matches zero or more consecutive args. Wiring: - pkg/rulemanager/cel/libraries/applicationprofile/exec.go: drop slices.Compare exact-equality on the cp.Spec.Execs loop; route through dynamicpathdetector.CompareExecArgs. - go.mod: bump fork storage replace to feat/exec-arg-wildcards tip (3fc287210729) which carries the matcher. - exec_test.go: re-add TestExecWithArgsWildcardInProfile (13 subtests across curl --user ⋯, sh -c *, ls -l ⋯, echo hello *, plus negative literal-anchor / under-consumed-⋯ / mid-profile-* cases). Mirrors the test set that lived on PR #35 before the upstream merge. Verified: full applicationprofile package green (`go test ./pkg/rulemanager/cel/libraries/applicationprofile/`). --- go.mod | 2 +- go.sum | 4 +- .../cel/libraries/applicationprofile/exec.go | 9 +- .../libraries/applicationprofile/exec_test.go | 121 ++++++++++++++++++ 4 files changed, 127 insertions(+), 9 deletions(-) diff --git a/go.mod b/go.mod index c74fe99f0a..63a0c19be1 100644 --- a/go.mod +++ b/go.mod @@ -507,4 +507,4 @@ replace github.com/inspektor-gadget/inspektor-gadget => github.com/matthyx/inspe replace github.com/cilium/ebpf => github.com/matthyx/ebpf v0.0.0-20260421101317-8a32d06def6c -replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260429052903-0e0366026f05 +replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260429084127-3fc287210729 diff --git a/go.sum b/go.sum index bbfd3daaff..86f43cedb8 100644 --- a/go.sum +++ b/go.sum @@ -981,8 +981,8 @@ github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHm github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= -github.com/k8sstormcenter/storage v0.0.240-0.20260429052903-0e0366026f05 h1:RCEcduxCntYAuo8BleZu84Kk//X0gvsGrutQtdcLMn0= -github.com/k8sstormcenter/storage v0.0.240-0.20260429052903-0e0366026f05/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= +github.com/k8sstormcenter/storage v0.0.240-0.20260429084127-3fc287210729 h1:KzutjOD6Ohl61rlq6SBbQ2q8YbWpxMpaV4X09owobi4= +github.com/k8sstormcenter/storage v0.0.240-0.20260429084127-3fc287210729/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953 h1:WdAeg/imY2JFPc/9CST4bZ80nNJbiBFCAdSZCSgrS5Y= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953/go.mod h1:6o+UrvuZWc4UTyBhQf0LGjW9Ld7qJxLz/OqvSOWWlEc= github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4= diff --git a/pkg/rulemanager/cel/libraries/applicationprofile/exec.go b/pkg/rulemanager/cel/libraries/applicationprofile/exec.go index 25b92f2366..e02e1524cb 100644 --- a/pkg/rulemanager/cel/libraries/applicationprofile/exec.go +++ b/pkg/rulemanager/cel/libraries/applicationprofile/exec.go @@ -1,8 +1,6 @@ package applicationprofile import ( - "slices" - "github.com/google/cel-go/common/types" "github.com/google/cel-go/common/types/ref" @@ -11,6 +9,7 @@ import ( "github.com/kubescape/node-agent/pkg/rulemanager/cel/libraries/cache" "github.com/kubescape/node-agent/pkg/rulemanager/cel/libraries/celparse" "github.com/kubescape/node-agent/pkg/rulemanager/profilehelper" + "github.com/kubescape/storage/pkg/registry/file/dynamicpathdetector" ) func (l *apLibrary) wasExecuted(containerID, path ref.Val) ref.Val { @@ -85,10 +84,8 @@ func (l *apLibrary) wasExecutedWithArgs(containerID, path, args ref.Val) ref.Val } for _, exec := range cp.Spec.Execs { - if exec.Path == pathStr { - if slices.Compare(exec.Args, celArgs) == 0 { - return types.Bool(true) - } + if exec.Path == pathStr && dynamicpathdetector.CompareExecArgs(exec.Args, celArgs) { + return types.Bool(true) } } diff --git a/pkg/rulemanager/cel/libraries/applicationprofile/exec_test.go b/pkg/rulemanager/cel/libraries/applicationprofile/exec_test.go index 8821e7bdfd..8b2d0d0ffd 100644 --- a/pkg/rulemanager/cel/libraries/applicationprofile/exec_test.go +++ b/pkg/rulemanager/cel/libraries/applicationprofile/exec_test.go @@ -299,6 +299,127 @@ func TestExecWithArgsNoProfile(t *testing.T) { assert.False(t, actualResult, "ap.was_executed_with_args should return false when no profile is available") } +// TestExecWithArgsWildcardInProfile exercises wildcard tokens inside a +// user-defined ApplicationProfile's exec arg vector: +// +// "⋯" (DynamicIdentifier) — matches exactly one argument position. +// "*" (WildcardIdentifier) — matches zero or more consecutive args. +// +// The runtime exec arg vector is matched against the profile via +// dynamicpathdetector.CompareExecArgs (added in +// k8sstormcenter/storage#23 — the matcher that this CEL function now +// routes through instead of slices.Compare). +func TestExecWithArgsWildcardInProfile(t *testing.T) { + objCache := objectcachev1.RuleObjectCacheMock{ + ContainerIDToSharedData: maps.NewSafeMap[string, *objectcache.WatchedContainerData](), + } + + objCache.SetSharedContainerData("test-container-id", &objectcache.WatchedContainerData{ + ContainerType: objectcache.Container, + ContainerInfos: map[objectcache.ContainerType][]objectcache.ContainerInfo{ + objectcache.Container: { + { + Name: "test-container", + }, + }, + }, + }) + + profile := &v1beta1.ApplicationProfile{} + profile.Spec.Containers = append(profile.Spec.Containers, v1beta1.ApplicationProfileContainer{ + Name: "test-container", + Execs: []v1beta1.ExecCalls{ + // curl any URL: --user must be literal, value is one position. + { + Path: "/usr/bin/curl", + Args: []string{"--user", "⋯"}, + }, + // sh -c with any trailing payload (zero or more args). + { + Path: "/bin/sh", + Args: []string{"-c", "*"}, + }, + // ls -l in any directory — single trailing position. + { + Path: "/bin/ls", + Args: []string{"-l", "⋯"}, + }, + // echo with any number of greeting words after a literal anchor. + { + Path: "/bin/echo", + Args: []string{"hello", "*"}, + }, + }, + }) + objCache.SetApplicationProfile(profile) + + env, err := cel.NewEnv( + cel.Variable("containerID", cel.StringType), + cel.Variable("path", cel.StringType), + cel.Variable("args", cel.ListType(cel.StringType)), + AP(&objCache, config.Config{}), + ) + if err != nil { + t.Fatalf("failed to create env: %v", err) + } + + testCases := []struct { + name string + path string + args []string + expectedResult bool + }{ + // curl with --user, dynamic value + {"curl --user alice — ⋯ matches one arg", "/usr/bin/curl", []string{"--user", "alice"}, true}, + {"curl --user alice bob — extra arg, ⋯ rejects", "/usr/bin/curl", []string{"--user", "alice", "bob"}, false}, + {"curl --user — missing value, ⋯ requires one arg", "/usr/bin/curl", []string{"--user"}, false}, + {"curl --pass alice — literal mismatch", "/usr/bin/curl", []string{"--pass", "alice"}, false}, + + // sh -c with arbitrary trailing payload + {"sh -c with single command", "/bin/sh", []string{"-c", "echo hi"}, true}, + {"sh -c with multi-token command", "/bin/sh", []string{"-c", "while", "true;", "do", "sleep", "1;", "done"}, true}, + {"sh -c with no trailing args (* matches zero)", "/bin/sh", []string{"-c"}, true}, + {"sh -x — wrong flag", "/bin/sh", []string{"-x", "echo hi"}, false}, + + // ls -l in any directory + {"ls -l /var/log", "/bin/ls", []string{"-l", "/var/log"}, true}, + {"ls -l with no directory (⋯ requires one)", "/bin/ls", []string{"-l"}, false}, + + // echo hello * + {"echo hello world from test", "/bin/echo", []string{"hello", "world", "from", "test"}, true}, + {"echo hello (no trailing args)", "/bin/echo", []string{"hello"}, true}, + {"echo goodbye world — wrong literal anchor", "/bin/echo", []string{"goodbye", "world"}, false}, + } + + for _, tc := range testCases { + t.Run(tc.name, func(t *testing.T) { + ast, issues := env.Compile(`ap.was_executed_with_args(containerID, path, args)`) + if issues != nil { + t.Fatalf("failed to compile expression: %v", issues.Err()) + } + + program, err := env.Program(ast) + if err != nil { + t.Fatalf("failed to create program: %v", err) + } + + result, _, err := program.Eval(map[string]interface{}{ + "containerID": "test-container-id", + "path": tc.path, + "args": tc.args, + }) + if err != nil { + t.Fatalf("failed to eval program: %v", err) + } + + actualResult := result.Value().(bool) + assert.Equal(t, tc.expectedResult, actualResult, + "runtime args %v vs profile (one of curl/sh/ls/echo overlay): got %v want %v", + tc.args, actualResult, tc.expectedResult) + }) + } +} + func TestExecWithArgsCompilation(t *testing.T) { objCache := objectcachev1.RuleObjectCacheMock{} From eb0145d280c502461fb28e52795c84ab49b923d9 Mon Sep 17 00:00:00 2001 From: Entlein Date: Thu, 30 Apr 2026 11:27:58 +0200 Subject: [PATCH 16/31] feat(rules): R0040 'Unexpected process arguments' + Test_32 e2e MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit R0040 is an additive companion to R0001. It evaluates: ap.was_executed(...) && !ap.was_executed_with_args(..., event.args) so it ONLY fires when the exec'd path IS in the user-defined profile (R0001 stays silent) but the runtime arg vector does not match any profile entry's pattern. With wildcard tokens supported by dynamicpathdetector.CompareExecArgs: '⋯' (DynamicIdentifier) — exactly one argument position. '*' (WildcardIdentifier) — zero or more consecutive args. Use case: profile entry {Path: /bin/sh, Args: [sh, -c, *]} flags 'sh -x ...' as drift while permitting 'sh -c '. Wiring: - tests/chart/templates/node-agent/default-rules.yaml: new R0040 CEL rule definition immediately after R0001, same MITRE tagging (TA0002/T1059) and same applicationprofile-anomaly tag set. - tests/chart/templates/node-agent/default-rule-binding.yaml: R0040 added to the all-rules-all-pods binding next to R0001. - tests/resources/curl-exec-arg-wildcards-deployment.yaml: new fixture, curl pod labelled with the unified kubescape.io/user-defined-profile=curl-32-overlay label. - tests/component_test.go: Test_32_UnexpectedProcessArguments with 4 subtests: 32a sh_dash_c_matches_wildcard_trailing — sh -c matches profile [sh, -c, *] — R0040 silent. 32b sh_dash_x_mismatches_R0040 — sh -x mismatches the literal -c anchor — R0040 fires. 32c echo_hello_matches_wildcard_trailing — echo hello world matches [echo, hello, *] — R0040 silent. 32d echo_goodbye_mismatches_R0040 — echo goodbye world mismatches the literal hello anchor — R0040 fires. Verified locally: go vet -tags=component ./tests/... clean; go test -tags=component -run='^$' ./tests/... compiles cleanly. End-to-end alert assertions run in CI. --- .../node-agent/default-rule-binding.yaml | 1 + .../templates/node-agent/default-rules.yaml | 40 ++++ tests/component_test.go | 183 ++++++++++++++++++ .../curl-exec-arg-wildcards-deployment.yaml | 28 +++ 4 files changed, 252 insertions(+) create mode 100644 tests/resources/curl-exec-arg-wildcards-deployment.yaml diff --git a/tests/chart/templates/node-agent/default-rule-binding.yaml b/tests/chart/templates/node-agent/default-rule-binding.yaml index 26367de97f..710deb6e35 100644 --- a/tests/chart/templates/node-agent/default-rule-binding.yaml +++ b/tests/chart/templates/node-agent/default-rule-binding.yaml @@ -15,6 +15,7 @@ spec: - "kubeconfig" rules: - ruleName: "Unexpected process launched" + - ruleName: "Unexpected process arguments" - ruleName: "Files Access Anomalies in container" - ruleName: "Syscalls Anomalies in container" - ruleName: "Linux Capabilities Anomalies in container" diff --git a/tests/chart/templates/node-agent/default-rules.yaml b/tests/chart/templates/node-agent/default-rules.yaml index 4b245d321f..e1972f1467 100644 --- a/tests/chart/templates/node-agent/default-rules.yaml +++ b/tests/chart/templates/node-agent/default-rules.yaml @@ -31,6 +31,46 @@ spec: - "exec" - "applicationprofile" - "context:kubernetes" + # --------------------------------------------------------------- + # R0040 — Unexpected process arguments + # + # Additive companion to R0001. Fires only when: + # 1. The exec'd path IS in the user-defined ApplicationProfile + # (so R0001 stays silent), AND + # 2. The runtime arg vector does NOT match any profile entry's + # arg pattern via dynamicpathdetector.CompareExecArgs. + # + # Profile arg vectors may carry wildcard tokens: + # "⋯" — exactly one position; "*" — zero or more trailing args. + # Anything else is literal-equality. + # + # Use case: a profile entry like {Path: "/bin/sh", Args: ["-c", "*"]} + # allows `sh -c ` but flags `sh -x ` as drift. + # --------------------------------------------------------------- + - name: "Unexpected process arguments" + enabled: true + id: "R0040" + description: "Process path is allowed by profile but argument vector does not match any profile entry's arg pattern (literal or wildcard ⋯/*)" + expressions: + message: "'Unexpected process arguments: ' + event.comm + ' with PID ' + string(event.pid)" + uniqueId: "event.comm + '_' + event.exepath" + ruleExpression: + - eventType: "exec" + expression: > + ap.was_executed(event.containerId, parse.get_exec_path(event.args, event.comm)) && + !ap.was_executed_with_args(event.containerId, parse.get_exec_path(event.args, event.comm), event.args) + profileDependency: 0 + severity: 1 + supportPolicy: false + isTriggerAlert: true + mitreTactic: "TA0002" + mitreTechnique: "T1059" + tags: + - "anomaly" + - "process" + - "exec" + - "applicationprofile" + - "context:kubernetes" - name: "Files Access Anomalies in container" enabled: true id: "R0002" diff --git a/tests/component_test.go b/tests/component_test.go index 1d97e422cc..87e37d5d31 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -3157,3 +3157,186 @@ func Test_31_TamperDetectionAlert(t *testing.T) { "R1016 must fire — proves tamper detection alerting works") t.Log("Tamper detection alerting verified successfully") } + +// --------------------------------------------------------------------------- +// Test_32_UnexpectedProcessArguments — component test for the wildcard-aware +// exec-argument matching (R0040). Each subtest gets its own namespace so +// alerts don't cross-contaminate. +// +// AP overlay declares 4 allowed exec patterns for the curl pod: +// +// /bin/sleep [sleep, *] — pod startup, must stay silent +// /bin/sh [sh, -c, *] — sh -c +// /bin/echo [echo, hello, *] — echo hello +// /usr/bin/curl [curl, -s, ⋯] — curl -s +// +// Profile loaded into the new ContainerProfileCache via the unified +// kubescape.io/user-defined-profile= label. The exec.go CEL function +// routes ap.was_executed_with_args through dynamicpathdetector.CompareExecArgs. +// +// R0040 ("Unexpected process arguments") fires when: +// - the exec'd path IS in the profile (R0001 silent), AND +// - the runtime arg vector does NOT match any profile entry's pattern. +// +// Each subtest exec's a single command, then asserts presence/absence of +// R0040 only. R0001 / R0005 / R0011 may also fire on unrelated paths or +// network egress; those are not what this test is gating. +// --------------------------------------------------------------------------- +func Test_32_UnexpectedProcessArguments(t *testing.T) { + start := time.Now() + defer tearDownTest(t, start) + + const overlayName = "curl-32-overlay" + + setup := func(t *testing.T) *testutils.TestWorkload { + t.Helper() + ns := testutils.NewRandomNamespace() + k8sClient := k8sinterface.NewKubernetesApi() + storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) + + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: overlayName, + Namespace: ns.Name, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "curl", + Execs: []v1beta1.ExecCalls{ + // pod startup: sleep + {Path: "/bin/sleep", Args: []string{"sleep", dynamicpathdetector.WildcardIdentifier}}, + // sh -c + {Path: "/bin/sh", Args: []string{"sh", "-c", dynamicpathdetector.WildcardIdentifier}}, + // echo hello + {Path: "/bin/echo", Args: []string{"echo", "hello", dynamicpathdetector.WildcardIdentifier}}, + // curl -s + {Path: "/usr/bin/curl", Args: []string{"curl", "-s", dynamicpathdetector.DynamicIdentifier}}, + }, + Syscalls: []string{"socket", "connect", "sendto", "recvfrom", "read", "write", "close", "openat", "mmap", "mprotect", "munmap", "fcntl", "ioctl", "poll", "epoll_create1", "epoll_ctl", "epoll_wait", "bind", "listen", "accept4", "getsockopt", "setsockopt", "getsockname", "getpid", "fstat", "rt_sigaction", "rt_sigprocmask", "writev", "execve"}, + }, + }, + }, + } + _, err := storageClient.ApplicationProfiles(ns.Name).Create( + context.Background(), ap, metav1.CreateOptions{}) + require.NoError(t, err, "create AP") + + require.Eventually(t, func() bool { + _, apErr := storageClient.ApplicationProfiles(ns.Name).Get( + context.Background(), overlayName, v1.GetOptions{}) + return apErr == nil + }, 30*time.Second, 1*time.Second, "AP must be in storage before pod deploy") + + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/curl-exec-arg-wildcards-deployment.yaml")) + require.NoError(t, err) + require.NoError(t, wl.WaitForReady(80)) + // let node-agent load the user AP into the CP cache + time.Sleep(15 * time.Second) + return wl + } + + countByRule := func(alerts []testutils.Alert, ruleID string) int { + n := 0 + for _, a := range alerts { + if a.Labels["rule_id"] == ruleID { + n++ + } + } + return n + } + + waitAlerts := func(t *testing.T, ns string) []testutils.Alert { + t.Helper() + var alerts []testutils.Alert + var err error + require.Eventually(t, func() bool { + alerts, err = testutils.GetAlerts(ns) + return err == nil + }, 60*time.Second, 5*time.Second, "must be able to fetch alerts") + // settle time for any in-flight alerts + time.Sleep(10 * time.Second) + alerts, _ = testutils.GetAlerts(ns) + return alerts + } + + logAlerts := func(t *testing.T, alerts []testutils.Alert) { + t.Helper() + for i, a := range alerts { + t.Logf(" [%d] %s(%s) comm=%s container=%s", + i, a.Labels["rule_name"], a.Labels["rule_id"], + a.Labels["comm"], a.Labels["container_name"]) + } + } + + // ----------------------------------------------------------------- + // 32a. sh -c — argv [sh, -c, "echo hi"] matches + // profile [sh, -c, *]. R0040 must NOT fire. + // ----------------------------------------------------------------- + t.Run("sh_dash_c_matches_wildcard_trailing", func(t *testing.T) { + wl := setup(t) + stdout, stderr, err := wl.ExecIntoPod([]string{"sh", "-c", "echo hi"}, "curl") + t.Logf("sh -c 'echo hi' → err=%v stdout=%q stderr=%q", err, stdout, stderr) + + alerts := waitAlerts(t, wl.Namespace) + t.Logf("=== %d alerts ===", len(alerts)) + logAlerts(t, alerts) + + assert.Equal(t, 0, countByRule(alerts, "R0040"), + "sh -c matches profile [sh, -c, *] — R0040 must stay silent") + }) + + // ----------------------------------------------------------------- + // 32b. sh -x — argv [sh, -x, "echo hi"] does NOT match + // profile [sh, -c, *] (literal anchor `-c` mismatch). Path + // /bin/sh IS in profile so R0001 stays silent. R0040 must fire. + // ----------------------------------------------------------------- + t.Run("sh_dash_x_mismatches_R0040", func(t *testing.T) { + wl := setup(t) + stdout, stderr, err := wl.ExecIntoPod([]string{"sh", "-x", "echo hi"}, "curl") + t.Logf("sh -x 'echo hi' → err=%v stdout=%q stderr=%q", err, stdout, stderr) + + alerts := waitAlerts(t, wl.Namespace) + t.Logf("=== %d alerts ===", len(alerts)) + logAlerts(t, alerts) + + require.Greater(t, countByRule(alerts, "R0040"), 0, + "sh -x mismatches profile [sh, -c, *] → R0040 must fire") + }) + + // ----------------------------------------------------------------- + // 32c. echo hello — argv [echo, hello, world, from, test] + // matches profile [echo, hello, *]. R0040 must NOT fire. + // ----------------------------------------------------------------- + t.Run("echo_hello_matches_wildcard_trailing", func(t *testing.T) { + wl := setup(t) + stdout, stderr, err := wl.ExecIntoPod([]string{"echo", "hello", "world", "from", "test"}, "curl") + t.Logf("echo hello world from test → err=%v stdout=%q stderr=%q", err, stdout, stderr) + + alerts := waitAlerts(t, wl.Namespace) + t.Logf("=== %d alerts ===", len(alerts)) + logAlerts(t, alerts) + + assert.Equal(t, 0, countByRule(alerts, "R0040"), + "echo hello matches profile [echo, hello, *] — R0040 must stay silent") + }) + + // ----------------------------------------------------------------- + // 32d. echo goodbye — argv [echo, goodbye, world] does + // NOT match profile [echo, hello, *] (literal anchor `hello` + // mismatch). R0040 must fire. + // ----------------------------------------------------------------- + t.Run("echo_goodbye_mismatches_R0040", func(t *testing.T) { + wl := setup(t) + stdout, stderr, err := wl.ExecIntoPod([]string{"echo", "goodbye", "world"}, "curl") + t.Logf("echo goodbye world → err=%v stdout=%q stderr=%q", err, stdout, stderr) + + alerts := waitAlerts(t, wl.Namespace) + t.Logf("=== %d alerts ===", len(alerts)) + logAlerts(t, alerts) + + require.Greater(t, countByRule(alerts, "R0040"), 0, + "echo goodbye mismatches profile [echo, hello, *] (literal anchor) → R0040 must fire") + }) +} diff --git a/tests/resources/curl-exec-arg-wildcards-deployment.yaml b/tests/resources/curl-exec-arg-wildcards-deployment.yaml new file mode 100644 index 0000000000..2f06f8baef --- /dev/null +++ b/tests/resources/curl-exec-arg-wildcards-deployment.yaml @@ -0,0 +1,28 @@ +## Curl pod for Test_32_UnexpectedProcessArguments. +## +## Carries the unified user-defined-profile label used by upstream's +## ContainerProfileCache (kubescape/node-agent#788). The label value +## must match the name of BOTH the user ApplicationProfile and (when +## present) the user NetworkNeighborhood. The test creates only the AP +## with that name; the NN side is intentionally absent. +apiVersion: apps/v1 +kind: Deployment +metadata: + labels: + app: curl-32 + name: curl-32 +spec: + selector: + matchLabels: + app: curl-32 + replicas: 1 + template: + metadata: + labels: + app: curl-32 + kubescape.io/user-defined-profile: curl-32-overlay + spec: + containers: + - name: curl + image: docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058 + command: ["sleep", "infinity"] From 08163932755b0b29c395e6b663a5a202811c0fba Mon Sep 17 00:00:00 2001 From: Entlein Date: Thu, 30 Apr 2026 11:47:23 +0200 Subject: [PATCH 17/31] deps(storage): bump to rebased feat/exec-arg-wildcards tip (0de34ebc) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit After rebasing storage feat/exec-arg-wildcards onto storage main, the matcher branch now sits on top of the latest fork main commit (352395a3 — Internal-field merge fix). Bump the node-agent storage replace to that new pseudo-version so this branch's tests run against storage main + matcher in one consistent baseline. Verified locally: 47/47 non-eBPF unit packages green; vet clean; the applicationprofile CEL package's TestExecWithArgsWildcardInProfile is 13/13 green; component-tests compile under the component tag. The two failing packages (pkg/containerwatcher/v2/tracers and pkg/validator) fail with the same pre-existing /sys/fs/bpf mount-permission error they have on every recent run — env, not code. --- go.mod | 2 +- go.sum | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/go.mod b/go.mod index 63a0c19be1..bbe27ac05b 100644 --- a/go.mod +++ b/go.mod @@ -507,4 +507,4 @@ replace github.com/inspektor-gadget/inspektor-gadget => github.com/matthyx/inspe replace github.com/cilium/ebpf => github.com/matthyx/ebpf v0.0.0-20260421101317-8a32d06def6c -replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260429084127-3fc287210729 +replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260430094046-0de34ebc3741 diff --git a/go.sum b/go.sum index 86f43cedb8..4417bd6044 100644 --- a/go.sum +++ b/go.sum @@ -981,8 +981,8 @@ github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHm github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= -github.com/k8sstormcenter/storage v0.0.240-0.20260429084127-3fc287210729 h1:KzutjOD6Ohl61rlq6SBbQ2q8YbWpxMpaV4X09owobi4= -github.com/k8sstormcenter/storage v0.0.240-0.20260429084127-3fc287210729/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= +github.com/k8sstormcenter/storage v0.0.240-0.20260430094046-0de34ebc3741 h1:evbEXsfDrdev1zMLJRHDyyDnrBOKv94ZLktN+V+Ecjw= +github.com/k8sstormcenter/storage v0.0.240-0.20260430094046-0de34ebc3741/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953 h1:WdAeg/imY2JFPc/9CST4bZ80nNJbiBFCAdSZCSgrS5Y= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953/go.mod h1:6o+UrvuZWc4UTyBhQf0LGjW9Ld7qJxLz/OqvSOWWlEc= github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4= From fbf98b0327153f8a47b3be33ac0ef5d9533fd318 Mon Sep 17 00:00:00 2001 From: Entlein Date: Thu, 30 Apr 2026 19:10:22 +0200 Subject: [PATCH 18/31] ci(component-tests): add Test_32_UnexpectedProcessArguments to matrix MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The component-tests workflow uses a hardcoded matrix list, not a dynamic discovery from the test source. Test_32 (added in a613cf64) must be listed explicitly to be picked up — without this entry the test is silently skipped. --- .github/workflows/component-tests.yaml | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/.github/workflows/component-tests.yaml b/.github/workflows/component-tests.yaml index c01b09dd8b..f15603276d 100644 --- a/.github/workflows/component-tests.yaml +++ b/.github/workflows/component-tests.yaml @@ -245,7 +245,8 @@ jobs: Test_28_UserDefinedNetworkNeighborhood, Test_29_SignedApplicationProfile, Test_30_TamperedSignedProfiles, - Test_31_TamperDetectionAlert + Test_31_TamperDetectionAlert, + Test_32_UnexpectedProcessArguments ] steps: - name: Checkout code From 6f2a5b44063619ad7e812af0425d98e6bca05362 Mon Sep 17 00:00:00 2001 From: Entlein Date: Thu, 30 Apr 2026 19:21:51 +0200 Subject: [PATCH 19/31] fix(containerprofilecache): re-wire R1016 tamper alert + expand Test_31 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Upstream PR #788 (Replace AP and NN cache with CP) deleted the legacy applicationprofilecache where the fork's emitTamperAlert (commit c2d681e0 'Feat/tamperalert' #22) lived. After the merge, R1016 alerts no longer fired for tampered user-defined profiles, breaking Test_31_TamperDetectionAlert (passed 3/3 on main, fails on the merged branch — confirmed regression introduced by PR #36). This restores the contract: every cache load of a user-supplied ApplicationProfile or NetworkNeighborhood overlay re-verifies the signature, and emits an R1016 'Signed profile tampered' alert through the rule-alert exporter when the signature is present but no longer valid. Alert shape preserved from the legacy cache so dashboards and component tests keep matching. Implementation: - new file pkg/objectcache/containerprofilecache/tamper_alert.go: verifyUserApplicationProfile / verifyUserNetworkNeighborhood / emitTamperAlert / extractWlidFromContainerID. Self-contained; keeps containerprofilecache.go diff small. - containerprofilecache.go: new tamperAlertExporter field + SetTamperAlertExporter setter + verify hooks immediately after GetApplicationProfile / GetNetworkNeighborhood succeed in the user-overlay branch of addContainer. - cmd/main.go: wire the alert exporter via SetTamperAlertExporter after the cache constructor (kept the constructor signature unchanged to avoid blast radius on tests). The setter is nil-safe: when no exporter is wired, verification still runs and is logged but no alert is emitted — matches the legacy behavior for unit-tests-with-no-exporter. Test_31 expanded from one scenario to four subtests, each in its own namespace to avoid alert cross-contamination: 31a tampered_user_defined_AP_fires_R1016 — original regression case 31b untampered_signed_AP_no_R1016 — negative: clean signature 31c unsigned_AP_no_R1016 — signing is opt-in 31d tampered_user_defined_NN_fires_R1016 — parallel NN code path Verified locally: - go build ./... clean - go test ./pkg/objectcache/containerprofilecache/... green - go test ./pkg/signature/... green - go vet -tags=component ./tests/... clean - go test -tags=component -run='^$' ./tests/... compiles --- cmd/main.go | 5 + .../containerprofilecache.go | 16 + .../containerprofilecache/tamper_alert.go | 151 +++++++++ tests/component_test.go | 309 ++++++++++++------ 4 files changed, 380 insertions(+), 101 deletions(-) create mode 100644 pkg/objectcache/containerprofilecache/tamper_alert.go diff --git a/cmd/main.go b/cmd/main.go index 6fcaaca422..b9d527b17c 100644 --- a/cmd/main.go +++ b/cmd/main.go @@ -297,6 +297,11 @@ func main() { ruleBindingCache.AddNotifier(&ruleBindingNotify) cpc := containerprofilecache.NewContainerProfileCache(cfg, storageClient, k8sObjectCache, prometheusExporter) + // Wire R1016 tamper alerts: when a user-defined AP/NN overlay is + // loaded but its signature no longer verifies, the CP cache emits + // "Signed profile tampered" through this exporter. Optional — + // nil-safe inside the cache. + cpc.SetTamperAlertExporter(exporter) cpc.Start(ctx) logger.L().Info("ContainerProfileCache active; legacy AP/NN caches removed") diff --git a/pkg/objectcache/containerprofilecache/containerprofilecache.go b/pkg/objectcache/containerprofilecache/containerprofilecache.go index 8185957a27..c4788a0bbb 100644 --- a/pkg/objectcache/containerprofilecache/containerprofilecache.go +++ b/pkg/objectcache/containerprofilecache/containerprofilecache.go @@ -15,6 +15,7 @@ import ( "github.com/kubescape/go-logger/helpers" helpersv1 "github.com/kubescape/k8s-interface/instanceidhandler/v1/helpers" "github.com/kubescape/node-agent/pkg/config" + "github.com/kubescape/node-agent/pkg/exporters" "github.com/kubescape/node-agent/pkg/metricsmanager" "github.com/kubescape/node-agent/pkg/objectcache" "github.com/kubescape/node-agent/pkg/objectcache/callstackcache" @@ -109,6 +110,11 @@ type ContainerProfileCacheImpl struct { k8sObjectCache objectcache.K8sObjectCache metricsManager metricsmanager.MetricsManager + // tamperAlertExporter receives R1016 "Signed profile tampered" alerts + // when a user-supplied AP/NN overlay fails signature verification. Set + // after construction via SetTamperAlertExporter; nil disables alerting. + tamperAlertExporter exporters.Exporter + reconcileEvery time.Duration rpcBudget time.Duration refreshInProgress atomic.Bool @@ -383,6 +389,12 @@ func (c *ContainerProfileCacheImpl) tryPopulateEntry( helpers.Error(userAPErr)) userAP = nil } + // Re-verify the user-supplied AP signature on every load. Emits + // R1016 if the profile is signed but tampered. Does not gate + // loading unless cfg.EnableSignatureVerification is true. + if userAP != nil && !c.verifyUserApplicationProfile(userAP, containerID) { + userAP = nil + } var userNNErr error _ = c.refreshRPC(ctx, func(rctx context.Context) error { userNN, userNNErr = c.storageClient.GetNetworkNeighborhood(rctx, ns, overlayName) @@ -396,6 +408,10 @@ func (c *ContainerProfileCacheImpl) tryPopulateEntry( helpers.Error(userNNErr)) userNN = nil } + // Same tamper-check on the NN side. + if userNN != nil && !c.verifyUserNetworkNeighborhood(userNN, containerID) { + userNN = nil + } } // Need SOMETHING to cache. If we have nothing, stay pending and retry. diff --git a/pkg/objectcache/containerprofilecache/tamper_alert.go b/pkg/objectcache/containerprofilecache/tamper_alert.go new file mode 100644 index 0000000000..2d972151d2 --- /dev/null +++ b/pkg/objectcache/containerprofilecache/tamper_alert.go @@ -0,0 +1,151 @@ +// Tamper detection for user-supplied profile overlays loaded into the +// ContainerProfileCache. +// +// When a user references a signed ApplicationProfile or NetworkNeighborhood +// via the `kubescape.io/user-defined-profile` pod label, this code path +// re-verifies the signature on every cache load and emits an R1016 +// "Signed profile tampered" alert via the rule-alert exporter when the +// signature is present but no longer valid. +// +// This is the new home of the legacy applicationprofilecache's tamper +// detection (originally introduced in fork commit c2d681e0 — "Feat/ +// tamperalert"). Upstream PR #788 deleted the legacy cache; this re-wires +// the same behavior onto containerprofilecache without changing the alert +// shape so existing component tests (Test_31_TamperDetectionAlert) keep +// working. +package containerprofilecache + +import ( + "fmt" + "strings" + + "github.com/armosec/armoapi-go/armotypes" + "github.com/kubescape/go-logger" + "github.com/kubescape/go-logger/helpers" + "github.com/kubescape/node-agent/pkg/exporters" + "github.com/kubescape/node-agent/pkg/rulemanager/types" + "github.com/kubescape/node-agent/pkg/signature" + "github.com/kubescape/node-agent/pkg/signature/profiles" + "github.com/kubescape/storage/pkg/apis/softwarecomposition/v1beta1" +) + +// SetTamperAlertExporter wires the rule-alert exporter used to emit R1016. +// Optional — when nil, signature verification still runs (and is logged) +// but no alert is emitted. Production wiring lives in cmd/main.go after the +// alert exporter is constructed. +func (c *ContainerProfileCacheImpl) SetTamperAlertExporter(e exporters.Exporter) { + c.tamperAlertExporter = e +} + +// verifyUserApplicationProfile re-verifies the signature of a user-supplied +// ApplicationProfile overlay and emits R1016 if the signature is present +// but no longer valid (i.e. the profile was tampered after signing). +// +// Returns true iff the profile is acceptable for further use: +// - profile is signed and verifies → true +// - profile is not signed → true (signing is opt-in; the empty-signature +// case is handled by the caller's normal not-signed flow) +// - profile is signed but verification fails → false (and R1016 emitted) +// +// The boolean lets the caller decide whether to project the overlay into +// the cache. Today we always proceed (the legacy semantics don't actually +// gate loading on verification unless EnableSignatureVerification is true), +// but having the return value keeps the door open for stricter modes. +func (c *ContainerProfileCacheImpl) verifyUserApplicationProfile(profile *v1beta1.ApplicationProfile, containerID string) bool { + if profile == nil { + return true + } + adapter := profiles.NewApplicationProfileAdapter(profile) + if !signature.IsSigned(adapter) { + return true + } + if err := signature.VerifyObject(adapter); err != nil { + logger.L().Warning("user-defined ApplicationProfile signature verification failed (tamper detected)", + helpers.String("profile", profile.Name), + helpers.String("namespace", profile.Namespace), + helpers.String("containerID", containerID), + helpers.Error(err)) + c.emitTamperAlert(profile.Name, profile.Namespace, containerID, "ApplicationProfile", err) + return !c.cfg.EnableSignatureVerification + } + return true +} + +// verifyUserNetworkNeighborhood is the NN-side counterpart to +// verifyUserApplicationProfile. Same contract, different object kind in +// the alert description. +func (c *ContainerProfileCacheImpl) verifyUserNetworkNeighborhood(nn *v1beta1.NetworkNeighborhood, containerID string) bool { + if nn == nil { + return true + } + adapter := profiles.NewNetworkNeighborhoodAdapter(nn) + if !signature.IsSigned(adapter) { + return true + } + if err := signature.VerifyObject(adapter); err != nil { + logger.L().Warning("user-defined NetworkNeighborhood signature verification failed (tamper detected)", + helpers.String("profile", nn.Name), + helpers.String("namespace", nn.Namespace), + helpers.String("containerID", containerID), + helpers.Error(err)) + c.emitTamperAlert(nn.Name, nn.Namespace, containerID, "NetworkNeighborhood", err) + return !c.cfg.EnableSignatureVerification + } + return true +} + +// emitTamperAlert sends a single R1016 "Signed profile tampered" alert +// through the rule-alert exporter. No-op when the exporter is unset. +// +// Alert shape mirrors the legacy applicationprofilecache.emitTamperAlert +// (fork commit c2d681e0) so dashboards and component tests keep matching. +func (c *ContainerProfileCacheImpl) emitTamperAlert(profileName, namespace, containerID, objectKind string, verifyErr error) { + if c.tamperAlertExporter == nil { + return + } + + ruleFailure := &types.GenericRuleFailure{ + BaseRuntimeAlert: armotypes.BaseRuntimeAlert{ + AlertName: "Signed profile tampered", + InfectedPID: 1, + Severity: 10, + FixSuggestions: "Investigate who modified the " + objectKind + " '" + profileName + "' in namespace '" + namespace + "'. Re-sign the profile after verifying its contents.", + }, + AlertType: armotypes.AlertTypeRule, + RuntimeProcessDetails: armotypes.ProcessTree{ + ProcessTree: armotypes.Process{ + PID: 1, + Comm: "node-agent", + }, + }, + RuleAlert: armotypes.RuleAlert{ + RuleDescription: fmt.Sprintf("Signed %s '%s' in namespace '%s' has been tampered with: %v", + objectKind, profileName, namespace, verifyErr), + }, + RuntimeAlertK8sDetails: armotypes.RuntimeAlertK8sDetails{ + Namespace: namespace, + }, + RuleID: "R1016", + } + + // Best-effort workload identifier. The legacy cache used a wlid string; + // this cache is keyed on containerID, so we just stash that as the + // workload reference. Downstream consumers (Alertmanager, exporter + // pipelines) don't structurally depend on the wlid prefix. + ruleFailure.SetWorkloadDetails(extractWlidFromContainerID(containerID)) + + c.tamperAlertExporter.SendRuleAlert(ruleFailure) +} + +// extractWlidFromContainerID is a placeholder that returns the containerID +// as-is. The legacy cache had a richer "wlid:///// +// /" string available; the new cache is keyed on +// containerID so callers that consume wlid get an opaque identifier here. +// Retained as a separate function so the alert path can be upgraded to a +// proper wlid lookup later without touching emitTamperAlert. +func extractWlidFromContainerID(containerID string) string { + if idx := strings.LastIndex(containerID, "/"); idx > 0 { + return containerID[:idx] + } + return containerID +} diff --git a/tests/component_test.go b/tests/component_test.go index 87e37d5d31..0eca1a9c75 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -3029,133 +3029,240 @@ func Test_30_TamperedSignedProfiles(t *testing.T) { }) } -// Test_31_TamperDetectionAlert verifies that R1016 fires when a previously -// signed ApplicationProfile has been tampered with (signature is stale). +// Test_31_TamperDetectionAlert verifies that R1016 "Signed profile tampered" +// fires when a previously signed ApplicationProfile or NetworkNeighborhood +// has been tampered with (signature annotations stale relative to the +// resource bytes). // -// This test proves the new tamper-detection alerting: -// - Sign an AP, push to storage -// - Tamper the AP in storage (modify spec, keep stale signature annotations) -// - Deploy a pod referencing the tampered profile -// - R1016 "Signed profile tampered" must fire +// Coverage: +// 31a — tampered AP fires R1016 (the original scenario; regression-pinned +// after upstream PR #788's cache rewrite re-wired alert emission). +// 31b — untampered signed AP does NOT fire R1016 (negative; signature +// verifies cleanly so no alert). +// 31c — unsigned AP does NOT fire R1016 (signing is opt-in; not-signed +// is not the same as tampered). +// 31d — tampered NN fires R1016 via the parallel NN code path (different +// storage call, same emission contract). // -// R1016 fires regardless of enableSignatureVerification setting. -// The detection happens in the AP cache when it loads the profile. +// All four subtests share signSignedAP / signSignedNN helpers; each subtest +// uses its own namespace + its own AP/NN name to avoid alert cross-talk +// between scenarios. +// +// R1016 fires regardless of cfg.EnableSignatureVerification: the alert is +// always emitted on tamper; the flag only gates whether the cache also +// rejects the load. func Test_31_TamperDetectionAlert(t *testing.T) { start := time.Now() defer tearDownTest(t, start) - ns := testutils.NewRandomNamespace() k8sClient := k8sinterface.NewKubernetesApi() storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) - // ── 1. Build and sign an ApplicationProfile ── - ap := &v1beta1.ApplicationProfile{ - ObjectMeta: metav1.ObjectMeta{ - Name: "signed-ap", - Namespace: ns.Name, - }, - Spec: v1beta1.ApplicationProfileSpec{ - Containers: []v1beta1.ApplicationProfileContainer{ - { - Name: "curl", - Execs: []v1beta1.ExecCalls{ - {Path: "/bin/sleep"}, - {Path: "/usr/bin/curl"}, + // signSignedAP returns a signed ApplicationProfile in nsName under name. + signSignedAP := func(t *testing.T, nsName, name string) *v1beta1.ApplicationProfile { + t.Helper() + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: nsName}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "curl", + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/sleep"}, + {Path: "/usr/bin/curl"}, + }, + Syscalls: []string{"socket", "connect", "read", "write", "close", "openat"}, }, - Syscalls: []string{"socket", "connect", "read", "write", "close", "openat"}, }, }, - }, + } + require.NoError(t, signature.SignObjectDisableKeyless(profiles.NewApplicationProfileAdapter(ap)), "sign AP") + return ap } - apAdapter := profiles.NewApplicationProfileAdapter(ap) - require.NoError(t, signature.SignObjectDisableKeyless(apAdapter), "sign AP") - require.True(t, signature.IsSigned(apAdapter), "AP must be signed") - require.NoError(t, signature.VerifyObjectAllowUntrusted(apAdapter), - "signature must verify immediately after signing") - t.Log("AP signed successfully") - - // ── 2. Tamper the AP (add unauthorized exec path) ── - ap.Spec.Containers[0].Execs = append(ap.Spec.Containers[0].Execs, - v1beta1.ExecCalls{Path: "/usr/bin/nslookup"}) - - // Verify the signature is now invalid - tamperedAdapter := profiles.NewApplicationProfileAdapter(ap) - require.Error(t, signature.VerifyObjectAllowUntrusted(tamperedAdapter), - "tampered AP must fail verification") - require.True(t, signature.IsSigned(tamperedAdapter), - "tampered AP must still have signature annotations (stale)") - t.Log("AP tampered — signature is stale") - - // ── 3. Push tampered AP to storage ── - _, err := storageClient.ApplicationProfiles(ns.Name).Create( - context.Background(), ap, metav1.CreateOptions{}) - require.NoError(t, err, "push tampered AP to storage") + signSignedNN := func(t *testing.T, nsName, name string) *v1beta1.NetworkNeighborhood { + t.Helper() + nn := &v1beta1.NetworkNeighborhood{ + ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: nsName}, + Spec: v1beta1.NetworkNeighborhoodSpec{ + LabelSelector: metav1.LabelSelector{MatchLabels: map[string]string{"app": "curl-signed"}}, + Containers: []v1beta1.NetworkNeighborhoodContainer{ + {Name: "curl"}, + }, + }, + } + require.NoError(t, signature.SignObjectDisableKeyless(profiles.NewNetworkNeighborhoodAdapter(nn)), "sign NN") + return nn + } - // Verify it's stored with stale signature - require.Eventually(t, func() bool { - stored, getErr := storageClient.ApplicationProfiles(ns.Name).Get( - context.Background(), "signed-ap", v1.GetOptions{}) - if getErr != nil { - return false + // deployAndWait pushes the AP (and optionally NN) into storage, then + // deploys curl-signed-deployment.yaml and waits for it to come up. The + // deployment YAML uses kubescape.io/user-defined-profile=signed-ap as + // its label, so AP+NN names must equal "signed-ap" for the upstream + // CP cache to pick them up. + deployAndWait := func(t *testing.T, ns testutils.TestNamespace, ap *v1beta1.ApplicationProfile, nn *v1beta1.NetworkNeighborhood) *testutils.TestWorkload { + t.Helper() + if ap != nil { + _, err := storageClient.ApplicationProfiles(ns.Name).Create( + context.Background(), ap, metav1.CreateOptions{}) + require.NoError(t, err, "push AP to storage") + } + if nn != nil { + _, err := storageClient.NetworkNeighborhoods(ns.Name).Create( + context.Background(), nn, metav1.CreateOptions{}) + require.NoError(t, err, "push NN to storage") } - storedAdapter := profiles.NewApplicationProfileAdapter(stored) - return signature.IsSigned(storedAdapter) && - signature.VerifyObjectAllowUntrusted(storedAdapter) != nil - }, 30*time.Second, 1*time.Second, "stored AP must have stale signature") - t.Log("Tampered AP stored with stale signature") + require.Eventually(t, func() bool { + if ap != nil { + if _, err := storageClient.ApplicationProfiles(ns.Name).Get( + context.Background(), ap.Name, v1.GetOptions{}); err != nil { + return false + } + } + if nn != nil { + if _, err := storageClient.NetworkNeighborhoods(ns.Name).Get( + context.Background(), nn.Name, v1.GetOptions{}); err != nil { + return false + } + } + return true + }, 30*time.Second, 1*time.Second, "AP/NN must be in storage before pod deploy") - // ── 4. Deploy pod referencing the tampered profile ── - wl, err := testutils.NewTestWorkload(ns.Name, - path.Join(utils.CurrentDir(), "resources/curl-signed-deployment.yaml")) - require.NoError(t, err) - require.NoError(t, wl.WaitForReady(80)) - t.Log("Pod deployed, waiting for cache to detect tamper...") + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/curl-signed-deployment.yaml")) + require.NoError(t, err) + require.NoError(t, wl.WaitForReady(80)) + return wl + } - // ── 5. Wait for R1016 "Signed profile tampered" alert ── - // The AP cache's addContainer or periodicUpdate will detect the tampered - // signature and emit R1016 via the exporter. - var alerts []testutils.Alert - require.Eventually(t, func() bool { - alerts, err = testutils.GetAlerts(ns.Name) - if err != nil || len(alerts) == 0 { - return false + countR1016 := func(t *testing.T, nsName string, settle time.Duration) int { + t.Helper() + // Allow node-agent to load the profile and for any alert to flush. + time.Sleep(settle) + alerts, err := testutils.GetAlerts(nsName) + if err != nil { + t.Logf("GetAlerts error: %v", err) + return 0 } + n := 0 for _, a := range alerts { if a.Labels["rule_id"] == "R1016" { - return true + n++ + assert.Equal(t, "Signed profile tampered", a.Labels["rule_name"], + "R1016 alert must have correct rule name") + assert.Equal(t, nsName, a.Labels["namespace"], + "R1016 alert must have correct namespace") } } - return false - }, 120*time.Second, 5*time.Second, "R1016 must fire for tampered signed AP") + t.Logf("[%s] R1016 count = %d (out of %d alerts)", nsName, n, len(alerts)) + return n + } - // ── 6. Log all alerts for debugging ── - time.Sleep(5 * time.Second) - alerts, _ = testutils.GetAlerts(ns.Name) + // ----------------------------------------------------------------- + // 31a — tampered AP fires R1016 + // ----------------------------------------------------------------- + t.Run("tampered_user_defined_AP_fires_R1016", func(t *testing.T) { + ns := testutils.NewRandomNamespace() + ap := signSignedAP(t, ns.Name, "signed-ap") + // Tamper after signing: append an unauthorized exec entry. The + // signature annotations stay (stale). + ap.Spec.Containers[0].Execs = append(ap.Spec.Containers[0].Execs, + v1beta1.ExecCalls{Path: "/usr/bin/nslookup"}) + require.Error(t, + signature.VerifyObjectAllowUntrusted(profiles.NewApplicationProfileAdapter(ap)), + "tampered AP must fail verification") - t.Logf("=== %d alerts ===", len(alerts)) - for i, a := range alerts { - t.Logf(" [%d] %s(%s) comm=%s container=%s", - i, a.Labels["rule_name"], a.Labels["rule_id"], - a.Labels["comm"], a.Labels["container_name"]) - } + _ = deployAndWait(t, ns, ap, nil) + + require.Eventually(t, func() bool { + alerts, _ := testutils.GetAlerts(ns.Name) + for _, a := range alerts { + if a.Labels["rule_id"] == "R1016" { + return true + } + } + return false + }, 120*time.Second, 5*time.Second, "tampered AP must produce R1016") + + require.Greater(t, countR1016(t, ns.Name, 5*time.Second), 0) + }) + + // ----------------------------------------------------------------- + // 31b — untampered signed AP must NOT fire R1016 + // ----------------------------------------------------------------- + t.Run("untampered_signed_AP_no_R1016", func(t *testing.T) { + ns := testutils.NewRandomNamespace() + ap := signSignedAP(t, ns.Name, "signed-ap") + // Don't tamper. Signature verifies cleanly. + require.NoError(t, + signature.VerifyObjectAllowUntrusted(profiles.NewApplicationProfileAdapter(ap)), + "untampered signed AP must verify") + + _ = deployAndWait(t, ns, ap, nil) + // Wait for cache load to happen (cache picks it up within ~15s). + assert.Equal(t, 0, countR1016(t, ns.Name, 30*time.Second), + "untampered signed AP must NOT fire R1016") + }) + + // ----------------------------------------------------------------- + // 31c — unsigned AP must NOT fire R1016 (signing is opt-in) + // ----------------------------------------------------------------- + t.Run("unsigned_AP_no_R1016", func(t *testing.T) { + ns := testutils.NewRandomNamespace() + ap := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{Name: "signed-ap", Namespace: ns.Name}, + Spec: v1beta1.ApplicationProfileSpec{ + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "curl", + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/sleep"}, + }, + Syscalls: []string{"socket"}, + }, + }, + }, + } + require.False(t, + signature.IsSigned(profiles.NewApplicationProfileAdapter(ap)), + "unsigned AP must not have signature annotations") + + _ = deployAndWait(t, ns, ap, nil) + assert.Equal(t, 0, countR1016(t, ns.Name, 30*time.Second), + "unsigned AP must NOT fire R1016 — not-signed is not the same as tampered") + }) + + // ----------------------------------------------------------------- + // 31d — tampered NN fires R1016 via the NN code path + // ----------------------------------------------------------------- + t.Run("tampered_user_defined_NN_fires_R1016", func(t *testing.T) { + ns := testutils.NewRandomNamespace() + // Untampered AP (matched on name to the pod label) so the AP path + // stays silent and we know any R1016 came from the NN path. + ap := signSignedAP(t, ns.Name, "signed-ap") + nn := signSignedNN(t, ns.Name, "signed-ap") + // Tamper the NN: add a container the original signature didn't cover. + nn.Spec.Containers = append(nn.Spec.Containers, + v1beta1.NetworkNeighborhoodContainer{Name: "drift"}) + require.Error(t, + signature.VerifyObjectAllowUntrusted(profiles.NewNetworkNeighborhoodAdapter(nn)), + "tampered NN must fail verification") + + _ = deployAndWait(t, ns, ap, nn) + + require.Eventually(t, func() bool { + alerts, _ := testutils.GetAlerts(ns.Name) + for _, a := range alerts { + if a.Labels["rule_id"] == "R1016" { + return true + } + } + return false + }, 120*time.Second, 5*time.Second, "tampered NN must produce R1016") + + require.Greater(t, countR1016(t, ns.Name, 5*time.Second), 0) + }) - // Verify R1016 alert details - r1016Count := 0 - for _, a := range alerts { - if a.Labels["rule_id"] == "R1016" { - r1016Count++ - assert.Equal(t, "Signed profile tampered", a.Labels["rule_name"], - "R1016 alert must have correct rule name") - assert.Equal(t, ns.Name, a.Labels["namespace"], - "R1016 alert must have correct namespace") - t.Logf("R1016 alert: rule_name=%s namespace=%s severity=%s", - a.Labels["rule_name"], a.Labels["namespace"], a.Labels["severity"]) - } - } - require.Greater(t, r1016Count, 0, - "R1016 must fire — proves tamper detection alerting works") - t.Log("Tamper detection alerting verified successfully") } // --------------------------------------------------------------------------- From fe80d73b6bd0402f3eea8e63f7bbc386b5101416 Mon Sep 17 00:00:00 2001 From: Entlein Date: Thu, 30 Apr 2026 19:30:37 +0200 Subject: [PATCH 20/31] test(component): Test_32 profile uses full-path argv[0] MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Empirical finding from CI run 25178930763 — Test_32's positive subtests (32a sh_dash_c_matches, 32c echo_hello_matches) fired R0040 when they should not. Cause: at runtime, the eBPF tracer captures argv[0] as the FULL exec path (e.g. "/bin/sh") rather than the basename ("sh"). My profile entries used basenames, so the matcher's first-position literal compare missed and the cache fell through to 'no exec entry matches' — R0040 fires. Aligns Test_32's profile with the convention already used by Test_27's wildcard_yaml_profile_allowed_opens fixture (known-application-profile-wildcards.yaml predecessor): argv[0] is the full path, subsequent positions are flags/values. Subtest expectations after this fix: 32a sh -c → matches [/bin/sh, -c, *] → R0040 silent 32b sh -x → -c anchor mismatch → R0040 fires 32c echo hello <…> → matches [/bin/echo, hello, *]→ R0040 silent 32d echo goodbye <…> → hello anchor mismatch → R0040 fires --- tests/component_test.go | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/tests/component_test.go b/tests/component_test.go index 0eca1a9c75..565db5e66d 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -3311,14 +3311,20 @@ func Test_32_UnexpectedProcessArguments(t *testing.T) { { Name: "curl", Execs: []v1beta1.ExecCalls{ + // IMPORTANT: argv[0] in the eBPF-captured event is + // the FULL exec path (see Test_27's wildcard YAML + // fixture for the same convention). Profile arg + // vectors must include argv[0] as full path so the + // matcher's first-position literal compare hits. + // // pod startup: sleep - {Path: "/bin/sleep", Args: []string{"sleep", dynamicpathdetector.WildcardIdentifier}}, + {Path: "/bin/sleep", Args: []string{"/bin/sleep", dynamicpathdetector.WildcardIdentifier}}, // sh -c - {Path: "/bin/sh", Args: []string{"sh", "-c", dynamicpathdetector.WildcardIdentifier}}, + {Path: "/bin/sh", Args: []string{"/bin/sh", "-c", dynamicpathdetector.WildcardIdentifier}}, // echo hello - {Path: "/bin/echo", Args: []string{"echo", "hello", dynamicpathdetector.WildcardIdentifier}}, + {Path: "/bin/echo", Args: []string{"/bin/echo", "hello", dynamicpathdetector.WildcardIdentifier}}, // curl -s - {Path: "/usr/bin/curl", Args: []string{"curl", "-s", dynamicpathdetector.DynamicIdentifier}}, + {Path: "/usr/bin/curl", Args: []string{"/usr/bin/curl", "-s", dynamicpathdetector.DynamicIdentifier}}, }, Syscalls: []string{"socket", "connect", "sendto", "recvfrom", "read", "write", "close", "openat", "mmap", "mprotect", "munmap", "fcntl", "ioctl", "poll", "epoll_create1", "epoll_ctl", "epoll_wait", "bind", "listen", "accept4", "getsockopt", "setsockopt", "getsockname", "getpid", "fstat", "rt_sigaction", "rt_sigprocmask", "writev", "execve"}, }, From f828777aba04945abaa096ee06c08ed6932f3b99 Mon Sep 17 00:00:00 2001 From: Entlein Date: Thu, 30 Apr 2026 19:37:05 +0200 Subject: [PATCH 21/31] test: AP-fixture linter (R-AP-* rules) + canonical reference profile MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Catches the class of bug Test_32 hit on its first CI run (PR #37 run 25178930763): profile entries used basename argv[0] ("sh") while the eBPF tracer captures the full path ("/bin/sh"), so the matcher silently misses and the rule fires when it shouldn't. Without a linter, this kind of fixture drift only surfaces in a 15-minute component-test run on a kind cluster — too late, too expensive. The linter (LintApplicationProfile / LintApplicationProfileYAML in tests/resources/aplint_test.go) is intentionally written as a pure function returning []Violation. Zero testing-package coupling on the hot path so it can be lifted into a future bobctl subcommand `bobctl lint ` without rewrite — see backlog at ~/biz/sbob-business-plan/state.yaml. Rules: R-AP-01 — kind must be ApplicationProfile R-AP-02 — at least one container R-AP-03 — container.name non-empty R-AP-10 — exec.path absolute (catches relative paths) R-AP-11 — exec.path no wildcards (binary identity is exact) R-AP-12 — exec.args[0] equals exec.path or wildcard token (Test_32-style argv[0] basename trap) R-AP-13 — exec.args wildcard tokens are whole-word (no embedding) R-AP-20 — open.path non-empty + absolute R-AP-21 — open.flags non-empty (real auto-recorded opens always have ≥1) R-AP-22 — open.flags from known O_* set (catches typos) Each rule has a dedicated self-test that constructs a minimal-bad YAML and asserts the rule fires (5 negative tests). One positive test (TestLinter_canonical_AP_passes) parses the fork's reference known-application-profile.yaml — extracted from a real auto-recorded AP for curlimages/curl:8.5.0 in fea3b062 — and asserts zero violations. The reference YAML is restored to tests/resources/ so the canonical shape is in-tree and visible to humans + CI. Why a Go test rather than a shell linter: keeps the rule set in the same language as the storage matcher (`dynamicpathdetector`), so extending CompareExecArgs and the linter together stays cheap. Local-cluster organic learning was the original plan but k3s on OrbStack is currently flapping (LXC-related boot loop). The fea3b062 profile was extracted from real auto-learning at an earlier moment of stability, which is the next-best ground truth. --- tests/resources/aplint_test.go | 344 ++++++++++++++++++ .../resources/known-application-profile.yaml | 245 +++++++++++++ 2 files changed, 589 insertions(+) create mode 100644 tests/resources/aplint_test.go create mode 100644 tests/resources/known-application-profile.yaml diff --git a/tests/resources/aplint_test.go b/tests/resources/aplint_test.go new file mode 100644 index 0000000000..3e1887592a --- /dev/null +++ b/tests/resources/aplint_test.go @@ -0,0 +1,344 @@ +// AP-fixture lint tests. +// +// Validates every ApplicationProfile / NetworkNeighborhood YAML under +// tests/resources/ against the ground-truth syntax rules learned from a +// real auto-recorded AP for curlimages/curl:8.5.0 (originally captured +// by the fork in commit fea3b062 — known-application-profile.yaml). Each +// rule maps a real-world drift mode that has bitten the fork once already +// (e.g. argv[0] basename vs full path — Test_32 first run on PR #37). +// +// Runs as a regular `go test ./...` — no component tag, no kind cluster. +// +// LintApplicationProfile is exported (uppercase) and returns []Violation +// rather than calling t.Errorf directly, so this whole file can be lifted +// into a standalone bobctl subcommand `bobctl lint ` without any +// testing-package dependency. The Test_* functions below are just thin +// wrappers that turn violations into t.Errorf calls. +package resources + +import ( + "fmt" + "os" + "path/filepath" + "strings" + "testing" + + "sigs.k8s.io/yaml" +) + +// applicationProfileLike captures only the fields we lint; we don't import +// the storage v1beta1 types because we want this lint runnable in isolation. +type applicationProfileLike struct { + APIVersion string `json:"apiVersion"` + Kind string `json:"kind"` + Metadata struct { + Name string `json:"name"` + } `json:"metadata"` + Spec struct { + Containers []struct { + Name string `json:"name"` + Execs []struct { + Path string `json:"path"` + Args []string `json:"args"` + } `json:"execs"` + Opens []struct { + Path string `json:"path"` + Flags []string `json:"flags"` + } `json:"opens"` + } `json:"containers"` + } `json:"spec"` +} + +// Violation is a single rule failure — id, target file (if any), and a +// human-readable message. Returned by LintApplicationProfile so callers +// can treat lint output as data (CLI exit code, JSON, t.Errorf, etc). +type Violation struct { + Rule string + Path string + Msg string +} + +func (v Violation) String() string { + if v.Path != "" { + return fmt.Sprintf("[%s] %s: %s", v.Rule, v.Path, v.Msg) + } + return fmt.Sprintf("[%s] %s", v.Rule, v.Msg) +} + +// validOpenFlags is the set of O_* flags the fork has seen in real +// auto-recorded profiles. Extend as new flags appear; a typo'd flag +// (e.g. `O_LARGEFLE`) is caught immediately. +var validOpenFlags = map[string]bool{ + "O_RDONLY": true, + "O_WRONLY": true, + "O_RDWR": true, + "O_CLOEXEC": true, + "O_LARGEFILE": true, + "O_DIRECTORY": true, + "O_NONBLOCK": true, + "O_APPEND": true, + "O_CREAT": true, + "O_EXCL": true, + "O_TRUNC": true, + "O_NOFOLLOW": true, + "O_NOATIME": true, + "O_DIRECT": true, + "O_SYNC": true, + "O_PATH": true, + "O_TMPFILE": true, +} + +// dynamicIdentifier and wildcardIdentifier mirror the constants in +// storage/pkg/registry/file/dynamicpathdetector. Duplicated here so this +// linter has zero dependency on the storage module. +const ( + dynamicIdentifier = "⋯" + wildcardIdentifier = "*" +) + +// LintApplicationProfileYAML parses a YAML doc as an ApplicationProfile and +// runs all rules. Returns the slice of violations (empty == clean). Pure +// function — no I/O, no testing-package coupling. +func LintApplicationProfileYAML(doc []byte, sourceLabel string) []Violation { + var ap applicationProfileLike + if err := yaml.Unmarshal(doc, &ap); err != nil { + return []Violation{{Rule: "R-AP-00", Path: sourceLabel, Msg: fmt.Sprintf("yaml parse: %v", err)}} + } + return LintApplicationProfile(&ap, sourceLabel) +} + +// LintApplicationProfile runs every rule against an already-parsed AP. +// Returns the slice of violations (empty == clean). +// +// Rule IDs: +// R-AP-00 — yaml parse failure (only from LintApplicationProfileYAML) +// R-AP-01 — kind must be ApplicationProfile +// R-AP-02 — at least one container +// R-AP-03 — container name non-empty +// R-AP-10 — exec.path absolute +// R-AP-11 — exec.path no wildcards +// R-AP-12 — exec.args[0] equals exec.path (or wildcard) +// R-AP-13 — exec.args wildcard tokens are whole-word +// R-AP-20 — open.path non-empty + absolute +// R-AP-21 — open.flags non-empty +// R-AP-22 — open.flags from known O_* set +func LintApplicationProfile(ap *applicationProfileLike, src string) []Violation { + var v []Violation + add := func(rule, msg string) { v = append(v, Violation{Rule: rule, Path: src, Msg: msg}) } + + if ap.Kind != "ApplicationProfile" { + add("R-AP-01", fmt.Sprintf("kind is %q, expected \"ApplicationProfile\"", ap.Kind)) + } + if len(ap.Spec.Containers) == 0 { + add("R-AP-02", "spec.containers is empty") + return v + } + + for ci, c := range ap.Spec.Containers { + if c.Name == "" { + add("R-AP-03", fmt.Sprintf("spec.containers[%d].name is empty", ci)) + } + + for ei, e := range c.Execs { + if e.Path == "" { + add("R-AP-10", fmt.Sprintf("containers[%d].execs[%d].path is empty", ci, ei)) + continue + } + if !strings.HasPrefix(e.Path, "/") { + add("R-AP-10", fmt.Sprintf("containers[%d].execs[%d].path %q must be absolute (start with /)", ci, ei, e.Path)) + } + if strings.Contains(e.Path, dynamicIdentifier) || strings.Contains(e.Path, wildcardIdentifier) { + add("R-AP-11", fmt.Sprintf("containers[%d].execs[%d].path %q must NOT contain wildcards (only args[*] may)", ci, ei, e.Path)) + } + + if len(e.Args) == 0 { + continue // path-only entry is legal + } + + // R-AP-12: args[0] must equal the full exec.path. The eBPF + // tracer captures argv[0] as the full binary path; profile + // entries that use a basename (e.g. "sh" instead of "/bin/sh") + // silently fail to match at runtime. Caught the hard way on + // Test_32's first CI run (PR #37 run 25178930763). Exception: + // args[0] may be the wildcard token if the user genuinely + // means "any binary at this path". + if e.Args[0] != e.Path && e.Args[0] != wildcardIdentifier { + add("R-AP-12", fmt.Sprintf("containers[%d].execs[%d].args[0] = %q, must equal path %q (eBPF captures argv[0] as full path)", ci, ei, e.Args[0], e.Path)) + } + + for ai, a := range e.Args { + if a == "" { + add("R-AP-13", fmt.Sprintf("containers[%d].execs[%d].args[%d] is empty", ci, ei, ai)) + } + if strings.Contains(a, dynamicIdentifier) && a != dynamicIdentifier { + add("R-AP-13", fmt.Sprintf("containers[%d].execs[%d].args[%d] = %q — ⋯ must be its own token, not embedded", ci, ei, ai, a)) + } + } + } + + for oi, o := range c.Opens { + if o.Path == "" { + add("R-AP-20", fmt.Sprintf("containers[%d].opens[%d].path is empty", ci, oi)) + continue + } + if !strings.HasPrefix(o.Path, "/") { + add("R-AP-20", fmt.Sprintf("containers[%d].opens[%d].path %q must be absolute", ci, oi, o.Path)) + } + if len(o.Flags) == 0 { + add("R-AP-21", fmt.Sprintf("containers[%d].opens[%d].flags is empty", ci, oi)) + } + for fi, f := range o.Flags { + if !validOpenFlags[f] { + add("R-AP-22", fmt.Sprintf("containers[%d].opens[%d].flags[%d] = %q — not a recognised O_* flag (typo?)", ci, oi, fi, f)) + } + } + } + } + return v +} + +// --------------------------------------------------------------------------- +// Test layer — walk YAMLs in this directory, run the linter, surface +// violations as t.Errorf. +// --------------------------------------------------------------------------- + +func TestApplicationProfileFixturesLint(t *testing.T) { + matches, err := filepath.Glob("*.yaml") + if err != nil { + t.Fatalf("glob: %v", err) + } + if len(matches) == 0 { + t.Skip("no YAML fixtures found — running outside tests/resources?") + } + + for _, p := range matches { + p := p + t.Run(filepath.Base(p), func(t *testing.T) { + data, err := os.ReadFile(p) + if err != nil { + t.Fatalf("read %s: %v", p, err) + } + if !strings.Contains(string(data), "kind: ApplicationProfile") { + t.Skipf("not an ApplicationProfile fixture") + } + for _, v := range LintApplicationProfileYAML(data, p) { + t.Errorf("%s", v) + } + }) + } +} + +// --------------------------------------------------------------------------- +// Self-tests — feed deliberately-bad YAML, verify the expected rule fires. +// Pin rule semantics so a refactor can't silently drop a check. +// --------------------------------------------------------------------------- + +func ruleFired(violations []Violation, ruleID string) bool { + for _, v := range violations { + if v.Rule == ruleID { + return true + } + } + return false +} + +func TestLinter_R_AP_12_argv0_must_be_full_path(t *testing.T) { + bad := []byte(` +apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 +kind: ApplicationProfile +metadata: { name: bad } +spec: + containers: + - name: c + execs: + - path: /bin/sh + args: ["sh", "-c", "echo hi"] +`) + if !ruleFired(LintApplicationProfileYAML(bad, ""), "R-AP-12") { + t.Fatal("expected R-AP-12 violation for basename argv[0]") + } +} + +func TestLinter_R_AP_11_path_no_wildcards(t *testing.T) { + bad := []byte(` +apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 +kind: ApplicationProfile +metadata: { name: bad } +spec: + containers: + - name: c + execs: + - path: /usr/bin/* + args: ["/usr/bin/curl"] +`) + if !ruleFired(LintApplicationProfileYAML(bad, ""), "R-AP-11") { + t.Fatal("expected R-AP-11 violation for wildcard in path") + } +} + +func TestLinter_R_AP_22_unknown_open_flag(t *testing.T) { + bad := []byte(` +apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 +kind: ApplicationProfile +metadata: { name: bad } +spec: + containers: + - name: c + opens: + - path: /etc/passwd + flags: ["O_RDONLY", "O_LARGEFLE"] +`) + if !ruleFired(LintApplicationProfileYAML(bad, ""), "R-AP-22") { + t.Fatal("expected R-AP-22 violation for typo'd flag") + } +} + +func TestLinter_R_AP_10_path_must_be_absolute(t *testing.T) { + bad := []byte(` +apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 +kind: ApplicationProfile +metadata: { name: bad } +spec: + containers: + - name: c + execs: + - path: bin/sh + args: ["bin/sh"] +`) + if !ruleFired(LintApplicationProfileYAML(bad, ""), "R-AP-10") { + t.Fatal("expected R-AP-10 violation for relative path") + } +} + +func TestLinter_R_AP_12_wildcard_argv0_allowed(t *testing.T) { + // args[0] = "*" is the rare-but-legal "match any binary at this path" case. + ok := []byte(` +apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 +kind: ApplicationProfile +metadata: { name: ok } +spec: + containers: + - name: c + execs: + - path: /bin/sh + args: ["*"] +`) + if ruleFired(LintApplicationProfileYAML(ok, ""), "R-AP-12") { + t.Fatal("R-AP-12 must NOT fire when args[0] is the wildcard token") + } +} + +func TestLinter_canonical_AP_passes(t *testing.T) { + // The fork's reference profile (from fea3b062) is the gold standard; + // regressions here mean the linter has drifted from real-world syntax. + data, err := os.ReadFile("known-application-profile.yaml") + if err != nil { + t.Skipf("canonical AP fixture not present: %v", err) + } + violations := LintApplicationProfileYAML(data, "known-application-profile.yaml") + if len(violations) > 0 { + for _, v := range violations { + t.Errorf("%s", v) + } + } +} diff --git a/tests/resources/known-application-profile.yaml b/tests/resources/known-application-profile.yaml new file mode 100644 index 0000000000..b802941572 --- /dev/null +++ b/tests/resources/known-application-profile.yaml @@ -0,0 +1,245 @@ +## +## User-defined ApplicationProfile for Test_28. +## +## Referenced directly from a pod via the label: +## kubescape.io/user-defined-profile: fusioncore-profile +## +## Modeled after a real auto-learned AP from curlimages/curl:8.5.0. +## +## Usage: +## sed "s/{{NAMESPACE}}/$NS/g" known-application-profile.yaml \ +## | kubectl apply -f - +## +apiVersion: spdx.softwarecomposition.kubescape.io/v1beta1 +kind: ApplicationProfile +metadata: + name: fusioncore-profile + namespace: "{{NAMESPACE}}" +spec: + architectures: ["amd64"] + containers: + - name: curl + imageID: "docker.io/curlimages/curl@sha256:08e466006f0860e54fc299378de998935333e0e130a15f6f98482e9f8dab3058" + imageTag: "docker.io/curlimages/curl:8.5.0" + capabilities: + - CAP_CHOWN + - CAP_DAC_OVERRIDE + - CAP_DAC_READ_SEARCH + - CAP_SETGID + - CAP_SETPCAP + - CAP_SETUID + - CAP_SYS_ADMIN + execs: + - path: /bin/sleep + args: ["/bin/sleep", "infinity"] + - path: /bin/cat + args: ["/bin/cat"] + - path: /usr/bin/curl + args: ["/usr/bin/curl", "-sm2", "fusioncore.ai"] + - path: /usr/bin/nslookup + args: ["/usr/bin/nslookup"] + opens: + - path: /7/setgroups + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /etc/hosts + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /etc/ld-musl-x86_64.path + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /etc/passwd + flags: ["O_RDONLY", "O_CLOEXEC", "O_LARGEFILE"] + - path: /etc/resolv.conf + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /etc/ssl/openssl.cnf + flags: ["O_RDONLY", "O_LARGEFILE"] + - path: /home/curl_user/.config/curlrc + flags: ["O_RDONLY", "O_LARGEFILE"] + - path: /home/curl_user/.curlrc + flags: ["O_RDONLY", "O_LARGEFILE"] + - path: /lib/libbrotlicommon.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libbrotlidec.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libcom_err.so.2.1 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /lib/libcrypto.so.3 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /lib/libcurl.so.4 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libgssapi_krb5.so.2 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libidn2.so.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libk5crypto.so.3 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /lib/libkeyutils.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libkrb5.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libkrb5support.so.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libnghttp2.so.14 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /lib/libpsl.so.5 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libssh2.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libssl.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /lib/libunistring.so.5 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /lib/libz.so.1.3 + flags: ["O_LARGEFILE", "O_CLOEXEC", "O_RDONLY"] + - path: /proc/⋯/cgroup + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /proc/⋯/kernel/cap_last_cap + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /proc/⋯/mountinfo + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /proc/⋯/task/1/fd + flags: ["O_RDONLY", "O_DIRECTORY", "O_CLOEXEC"] + - path: /proc/⋯/task/7/fd + flags: ["O_RDONLY", "O_DIRECTORY", "O_CLOEXEC"] + - path: /runc + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /sys/fs/cgroup/cpu.max + flags: ["O_RDONLY", "O_CLOEXEC"] + - path: /sys/kernel/mm/transparent_hugepage/hpage_pmd_size + flags: ["O_RDONLY"] + - path: /usr/lib/libbrotlicommon.so.1.1.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libbrotlidec.so.1.1.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libcurl.so.4.8.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libgssapi_krb5.so.2.2 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libidn2.so.0.3.8 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/lib/libk5crypto.so.3.1 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/lib/libkeyutils.so.1.10 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libkrb5.so.3.3 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/lib/libkrb5support.so.0.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libnghttp2.so.14.25.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libpsl.so.5.3.4 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/lib/libssh2.so.1.0.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/lib/libunistring.so.5.0.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libbrotlicommon.so.1 + flags: ["O_LARGEFILE", "O_CLOEXEC", "O_RDONLY"] + - path: /usr/local/lib/libbrotlidec.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libcom_err.so.2 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/local/lib/libcrypto.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libcurl.so.4 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libgssapi_krb5.so.2 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libidn2.so.0 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libk5crypto.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libkeyutils.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libkrb5.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libkrb5support.so.0 + flags: ["O_CLOEXEC", "O_RDONLY", "O_LARGEFILE"] + - path: /usr/local/lib/libnghttp2.so.14 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libpsl.so.5 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libssh2.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libssl.so.3 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libunistring.so.5 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + - path: /usr/local/lib/libz.so.1 + flags: ["O_RDONLY", "O_LARGEFILE", "O_CLOEXEC"] + syscalls: + - arch_prctl + - bind + - brk + - capget + - capset + - chdir + - clone + - close + - close_range + - connect + - epoll_ctl + - epoll_pwait + - execve + - exit + - exit_group + - faccessat2 + - fchown + - fcntl + - fstat + - fstatfs + - futex + - getcwd + - getdents64 + - getegid + - geteuid + - getgid + - getpeername + - getppid + - getsockname + - getsockopt + - gettid + - getuid + - ioctl + - membarrier + - mmap + - mprotect + - munmap + - nanosleep + - newfstatat + - open + - openat + - openat2 + - pipe + - poll + - prctl + - read + - recvfrom + - recvmsg + - rt_sigaction + - rt_sigprocmask + - rt_sigreturn + - sendto + - set_tid_address + - setgid + - setgroups + - setsockopt + - setuid + - sigaltstack + - socket + - statx + - tkill + - unknown + - write + - writev + endpoints: + - endpoint: ":80/" + direction: outbound + methods: ["GET"] + internal: false + headers: '{"Host":["fusioncore.ai"]}' + seccompProfile: + spec: + defaultAction: "" + rulePolicies: {} + initContainers: [] + ephemeralContainers: [] +status: {} From 7c10baa46c6ef32018a29c4287cf5e4d1e97b916 Mon Sep 17 00:00:00 2001 From: Entlein Date: Thu, 30 Apr 2026 20:26:13 +0200 Subject: [PATCH 22/31] fix(tamper_alert): accept self-signed profiles, only flag actual tamper Switch verifyUser{ApplicationProfile,NetworkNeighborhood} from strict VerifyObject to VerifyObjectAllowUntrusted. The strict variant requires a Sigstore Fulcio trust chain and rejects locally-signed profiles even when the signature against the embedded cert is valid. That made Test_31b 'untampered_signed_AP_no_R1016' fire R1016 against an untampered AP, and broke Test_30's 'tampered_profile_loaded_without_ enforcement' subtest the same way. The intent is: tamper detection, not trust-chain enforcement. Matches cmd/sign-object/main.go's default verifier. --- pkg/objectcache/containerprofilecache/tamper_alert.go | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/pkg/objectcache/containerprofilecache/tamper_alert.go b/pkg/objectcache/containerprofilecache/tamper_alert.go index 2d972151d2..6caf7c764a 100644 --- a/pkg/objectcache/containerprofilecache/tamper_alert.go +++ b/pkg/objectcache/containerprofilecache/tamper_alert.go @@ -59,7 +59,11 @@ func (c *ContainerProfileCacheImpl) verifyUserApplicationProfile(profile *v1beta if !signature.IsSigned(adapter) { return true } - if err := signature.VerifyObject(adapter); err != nil { + // AllowUntrusted: accept self-signed/local-CA signatures as long as the + // signature itself verifies against the cert in the annotations. We only + // want to flag actual tampering, not the absence of a Sigstore Fulcio + // trust chain. Matches `cmd/sign-object`'s default verifier. + if err := signature.VerifyObjectAllowUntrusted(adapter); err != nil { logger.L().Warning("user-defined ApplicationProfile signature verification failed (tamper detected)", helpers.String("profile", profile.Name), helpers.String("namespace", profile.Namespace), @@ -82,7 +86,7 @@ func (c *ContainerProfileCacheImpl) verifyUserNetworkNeighborhood(nn *v1beta1.Ne if !signature.IsSigned(adapter) { return true } - if err := signature.VerifyObject(adapter); err != nil { + if err := signature.VerifyObjectAllowUntrusted(adapter); err != nil { logger.L().Warning("user-defined NetworkNeighborhood signature verification failed (tamper detected)", helpers.String("profile", nn.Name), helpers.String("namespace", nn.Namespace), From 4d374d525f56085ddfd6665335cd07c8f6381e90 Mon Sep 17 00:00:00 2001 From: Entlein Date: Thu, 30 Apr 2026 21:12:22 +0200 Subject: [PATCH 23/31] test(component): make Test_30 30b deterministic by re-execing inside Eventually The single-shot wget exec before Eventually was racy: if the eBPF event landed before the CP cache projected the user-defined AP, the rule manager evaluated against an empty baseline and R0001 never fired within the 60s polling window. Same race Test_29 already documents. Drive the wget exec inside the Eventually loop (10s tick, 120s deadline) so cache-load latency is absorbed by retries. Filter R0001 to comm=wget to make the assertion specific instead of catching any R0001. Drops the blind 15s pre-sleep and the redundant settle-then-recount block. --- tests/component_test.go | 52 +++++++++++++++++------------------------ 1 file changed, 21 insertions(+), 31 deletions(-) diff --git a/tests/component_test.go b/tests/component_test.go index 565db5e66d..47fd14f95f 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -2972,34 +2972,35 @@ func Test_30_TamperedSignedProfiles(t *testing.T) { path.Join(utils.CurrentDir(), "resources/curl-signed-deployment.yaml")) require.NoError(t, err) require.NoError(t, wl.WaitForReady(80)) - time.Sleep(15 * time.Second) // let node-agent load profiles - - // Execute nslookup — the attacker added this to the whitelist. - // With enforcement OFF: profile is loaded despite invalid signature, - // so nslookup is "allowed" and R0001 should NOT fire for it. - wl.ExecIntoPod([]string{"nslookup", "ebpf.io"}, "curl") - - // Execute wget — NOT in the AP (even after tampering). - wl.ExecIntoPod([]string{"wget", "-qO-", "--timeout=5", "http://ebpf.io"}, "curl") - // Wait for alerts. + // Drive the unexpected exec inside Eventually so cache-load latency + // is absorbed by retries instead of a blind sleep. Same pattern as + // Test_29 (signed AP, anomalous exec) — without it, the first exec + // can land before the CP cache projects the user-defined AP, the + // rule manager evaluates against an empty baseline, and R0001 never + // fires within the polling window. + // + // wget is NOT in the AP (even after the attacker added nslookup), so + // once the cache loads, every wget exec produces an R0001 alert. var alerts []testutils.Alert require.Eventually(t, func() bool { + wl.ExecIntoPod([]string{"wget", "-qO-", "--timeout=2", "http://ebpf.io"}, "curl") alerts, err = testutils.GetAlerts(ns.Name) - if err != nil || len(alerts) == 0 { + if err != nil { return false } for _, a := range alerts { - if a.Labels["rule_id"] == "R0001" { + if a.Labels["rule_id"] == "R0001" && a.Labels["comm"] == "wget" { return true } } return false - }, 60*time.Second, 5*time.Second, "wget not in tampered AP must fire R0001") + }, 120*time.Second, 10*time.Second, + "wget not in tampered AP must fire R0001 — proves tampered profile was loaded (enforcement off)") + // Settle so any pending alerts flush, then dump for diagnostics. time.Sleep(10 * time.Second) alerts, _ = testutils.GetAlerts(ns.Name) - t.Logf("=== %d alerts ===", len(alerts)) for i, a := range alerts { t.Logf(" [%d] %s(%s) comm=%s container=%s", @@ -3007,25 +3008,14 @@ func Test_30_TamperedSignedProfiles(t *testing.T) { a.Labels["comm"], a.Labels["container_name"]) } - // R0001 must have fired (tampered profile was loaded and used). - r0001Count := 0 - for _, a := range alerts { - if a.Labels["rule_id"] == "R0001" { - r0001Count++ - } - } - require.Greater(t, r0001Count, 0, - "R0001 must fire — proves tampered profile was loaded (enableSignatureVerification=false)") - - // No dedicated tamper-detection alert exists (no R-number for this). // With enableSignatureVerification=true: - // - The tampered AP would be rejected (verifyApplicationProfile returns error) - // - ProfileState.Status would be set to "verification-failed" - // - The pod would have no baseline → no anomaly rules fire + // - The tampered AP would be rejected (verifyUserApplicationProfile returns false) + // - The pod would have no baseline → no anomaly rules fire for wget // - System fails OPEN (attacker evades detection by tampering the profile) - // - NOTE: user-defined NNs in addContainer() are NOT verified (known gap) - t.Log("NOTE: No tamper-detection alert rule exists. With enableSignatureVerification=true,") - t.Log(" the tampered profile would be silently rejected. No R-number fires for tampering.") + // - NOTE: user-defined NNs are not yet gated on the same flag (known gap) + // R1016 ("Signed profile tampered") fires regardless of the flag — that + // path is handled by Test_31. + t.Log("With enableSignatureVerification=true, the tampered profile would be silently rejected.") }) } From a59e284b13f4b4997b15b04e063a9f9d548dbff8 Mon Sep 17 00:00:00 2001 From: Entlein Date: Fri, 1 May 2026 16:30:53 +0200 Subject: [PATCH 24/31] deps(storage): bump replace to f44fed80 (analyzer trailing-* fix) Picks up the upstream-PR-#316 review fix: trailing WildcardIdentifier now requires at least one regular-path segment, matching standard glob semantics. Closes the R0002 blind spot where '/etc/*' would silently match the bare '/etc' directory. --- go.mod | 2 +- go.sum | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/go.mod b/go.mod index bbe27ac05b..fc1bd64204 100644 --- a/go.mod +++ b/go.mod @@ -507,4 +507,4 @@ replace github.com/inspektor-gadget/inspektor-gadget => github.com/matthyx/inspe replace github.com/cilium/ebpf => github.com/matthyx/ebpf v0.0.0-20260421101317-8a32d06def6c -replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260430094046-0de34ebc3741 +replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260501142939-f44fed80762e diff --git a/go.sum b/go.sum index 4417bd6044..cfd3a3ac68 100644 --- a/go.sum +++ b/go.sum @@ -981,8 +981,8 @@ github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHm github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= -github.com/k8sstormcenter/storage v0.0.240-0.20260430094046-0de34ebc3741 h1:evbEXsfDrdev1zMLJRHDyyDnrBOKv94ZLktN+V+Ecjw= -github.com/k8sstormcenter/storage v0.0.240-0.20260430094046-0de34ebc3741/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= +github.com/k8sstormcenter/storage v0.0.240-0.20260501142939-f44fed80762e h1:pGkFOoYOEwk/0GwXYq2ylhfXnlIa5i1aa2qZflANKGg= +github.com/k8sstormcenter/storage v0.0.240-0.20260501142939-f44fed80762e/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953 h1:WdAeg/imY2JFPc/9CST4bZ80nNJbiBFCAdSZCSgrS5Y= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953/go.mod h1:6o+UrvuZWc4UTyBhQf0LGjW9Ld7qJxLz/OqvSOWWlEc= github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4= From bcf41ea5ef0b9b068f4fbbf7ffafd11d42102821 Mon Sep 17 00:00:00 2001 From: Entlein Date: Fri, 1 May 2026 20:40:47 +0200 Subject: [PATCH 25/31] deps(storage): bump replace to 4ab95fb8 (PR #25 merged on fork main) Pulls in the full PR-#316 review fix set that just landed on storage main: proper splitPath-based trailing-* anchoring, DefaultCollapseConfigs() defensive-copy accessor, FindConfigForPath value-return, splitEndpoint defensive guard, plus the BenchmarkCompareDynamic baseline. --- go.mod | 2 +- go.sum | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/go.mod b/go.mod index fc1bd64204..a82c675e47 100644 --- a/go.mod +++ b/go.mod @@ -507,4 +507,4 @@ replace github.com/inspektor-gadget/inspektor-gadget => github.com/matthyx/inspe replace github.com/cilium/ebpf => github.com/matthyx/ebpf v0.0.0-20260421101317-8a32d06def6c -replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260501142939-f44fed80762e +replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260501173152-4ab95fb87ba2 diff --git a/go.sum b/go.sum index cfd3a3ac68..defe0d250e 100644 --- a/go.sum +++ b/go.sum @@ -981,8 +981,8 @@ github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHm github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= -github.com/k8sstormcenter/storage v0.0.240-0.20260501142939-f44fed80762e h1:pGkFOoYOEwk/0GwXYq2ylhfXnlIa5i1aa2qZflANKGg= -github.com/k8sstormcenter/storage v0.0.240-0.20260501142939-f44fed80762e/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= +github.com/k8sstormcenter/storage v0.0.240-0.20260501173152-4ab95fb87ba2 h1:0yjl3JVdk20Ij2ppjTJ5+awY4/EIuzF9uotncB36SqI= +github.com/k8sstormcenter/storage v0.0.240-0.20260501173152-4ab95fb87ba2/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953 h1:WdAeg/imY2JFPc/9CST4bZ80nNJbiBFCAdSZCSgrS5Y= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953/go.mod h1:6o+UrvuZWc4UTyBhQf0LGjW9Ld7qJxLz/OqvSOWWlEc= github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4= From 9385562a6668fd4d8f5b4f4a0e30c611d943f1c2 Mon Sep 17 00:00:00 2001 From: Entlein Date: Fri, 1 May 2026 20:40:47 +0200 Subject: [PATCH 26/31] test(component): Test_33_AnalyzeOpensWildcardAnchoring MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit End-to-end pin of the storage-side CompareDynamic contract through R0002. Each subtest deploys a fresh nginx pod with a user-defined AP carrying ONE Opens entry, then `cat`s a target path that probes a boundary case from the storage analyzer fixes (kubescape/storage #316 review by matthyx + entlein): - Anchored trailing `*` matches one OR MORE remaining segments — never zero. So /etc/* matches /etc/passwd but NOT bare /etc. - DynamicIdentifier (⋯) consumes EXACTLY ONE segment. - Mid-path `*` is zero-or-more, so /etc/*/* matches /etc/ssh (inner * consumes zero, trailing * consumes one). - Mixed ⋯/* combinations: ⋯ pins one, * consumes the rest. - splitPath normalises trailing slashes on both sides. 11 subtests covering: trailing_star_matches_immediate_child — basic /etc/* match trailing_star_matches_deep_child — multi-segment under prefix trailing_star_does_not_match_bare_parent — the security fix deep_prefix_trailing_star_does_not_match_parent — same rule, deeper ellipsis_pin_one_segment_then_literal — ⋯ rejects zero ellipsis_then_trailing_star_matches_two_* — ⋯/* combo, 2 levels ellipsis_then_trailing_star_matches_three_* — ⋯/* combo, 3 levels double_trailing_matches_one_child — /*/* mid-zero double_trailing_matches_deep_child — /*/* mid-one double_trailing_does_not_match_parent — /*/* needs ≥1 child trailing_slash_in_profile_normalises_to_literal — splitPath on profile Pinned at component level on TOP of the unit suite in storage/pkg/registry/file/dynamicpathdetector/tests/coverage_test.go. Both layers must agree — a drift in either lights up R0002 with a false positive or false negative. Matrix entry added to component-tests.yaml so the test runs in CI. --- .github/workflows/component-tests.yaml | 3 +- tests/component_test.go | 279 +++++++++++++++++++++++++ 2 files changed, 281 insertions(+), 1 deletion(-) diff --git a/.github/workflows/component-tests.yaml b/.github/workflows/component-tests.yaml index f15603276d..b3133464a4 100644 --- a/.github/workflows/component-tests.yaml +++ b/.github/workflows/component-tests.yaml @@ -246,7 +246,8 @@ jobs: Test_29_SignedApplicationProfile, Test_30_TamperedSignedProfiles, Test_31_TamperDetectionAlert, - Test_32_UnexpectedProcessArguments + Test_32_UnexpectedProcessArguments, + Test_33_AnalyzeOpensWildcardAnchoring ] steps: - name: Checkout code diff --git a/tests/component_test.go b/tests/component_test.go index 47fd14f95f..9e3a872db9 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -3443,3 +3443,282 @@ func Test_32_UnexpectedProcessArguments(t *testing.T) { "echo goodbye mismatches profile [echo, hello, *] (literal anchor) → R0040 must fire") }) } + +// Test_33_AnalyzeOpensWildcardAnchoring pins the wildcard-matching +// contract that storage-side CompareDynamic enforces, end-to-end through +// R0002 ("Files Access Anomalies in container"). +// +// Each subtest spins up a fresh nginx pod with a user-defined AP that +// carries ONE Opens entry, then `cat`s a target path that probes a +// boundary case from the storage-side analyzer fixes (kubescape/storage +// PR #316 review by matthyx + entlein): +// +// - Anchored trailing `*` matches one OR MORE remaining segments — +// never zero. So `/etc/*` matches `/etc/passwd` but NOT the bare +// `/etc` directory. Without this rule, R0002 silently allowed +// access to the parent of any profiled directory. +// - DynamicIdentifier (⋯) consumes EXACTLY ONE segment. +// - Mid-path `*` consumes ZERO or more, so `/etc/*/*` still matches +// `/etc/ssh` (inner `*` consumed zero, trailing `*` consumed one). +// - splitPath normalises trailing slashes on both dynamic and +// regular paths so `/etc/passwd/` is treated as `/etc/passwd`. +// - Mixed `⋯/*` patterns: ⋯ pins one segment, `*` consumes the rest +// (with one-or-more semantics). +// +// Component-level pin sits ON TOP of the unit tests in storage's +// pkg/registry/file/dynamicpathdetector/tests/coverage_test.go. +// Both layers must agree — if the unit suite drifts away from these +// runtime expectations, R0002 has either a false-positive or a +// false-negative bug. +func Test_33_AnalyzeOpensWildcardAnchoring(t *testing.T) { + start := time.Now() + defer tearDownTest(t, start) + + const ruleName = "Files Access Anomalies in container" + const profileName = "nginx-regex-profile" + + type subtestResult struct { + name string + profilePath string + filePath string + expectAlert bool + passed bool + detail string + } + var results []subtestResult + addResult := func(name, profilePath, filePath string, expectAlert, passed bool, detail string) { + results = append(results, subtestResult{name, profilePath, filePath, expectAlert, passed, detail}) + } + defer func() { + t.Log("\n========== Test_33 Summary ==========") + anyFailed := false + for _, r := range results { + status := "PASS" + if !r.passed { + status = "FAIL" + anyFailed = true + } + expect := "expect alert" + if !r.expectAlert { + expect = "expect NO alert" + } + t.Logf(" [%s] %-50s profile=%-25s file=%-30s %s", status, r.name, r.profilePath, r.filePath, expect) + if !r.passed { + t.Logf(" -> %s", r.detail) + } + } + if !anyFailed { + t.Log(" All subtests passed.") + } + t.Log("======================================") + }() + + // deployWithProfile creates a user-defined AP with a single Opens + // entry (plus a couple of always-needed paths nginx hits at startup), + // then deploys nginx with the user-defined-profile label pointing at + // it and waits for the pod + cache load. + deployWithProfile := func(t *testing.T, profilePath string) *testutils.TestWorkload { + t.Helper() + ns := testutils.NewRandomNamespace() + + profile := &v1beta1.ApplicationProfile{ + ObjectMeta: metav1.ObjectMeta{ + Name: profileName, + Namespace: ns.Name, + }, + Spec: v1beta1.ApplicationProfileSpec{ + Architectures: []string{"amd64"}, + Containers: []v1beta1.ApplicationProfileContainer{ + { + Name: "nginx", + Execs: []v1beta1.ExecCalls{ + {Path: "/bin/cat", Args: []string{"/bin/cat"}}, + }, + Opens: []v1beta1.OpenCalls{ + {Path: profilePath, Flags: []string{"O_RDONLY"}}, + // Dynamic linker fires this on every exec — keep + // it whitelisted so it doesn't drown out the + // signal we actually care about. + {Path: "/etc/ld.so.cache", Flags: []string{"O_RDONLY", "O_CLOEXEC"}}, + }, + }, + }, + }, + } + + k8sClient := k8sinterface.NewKubernetesApi() + storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) + _, err := storageClient.ApplicationProfiles(ns.Name).Create( + context.Background(), profile, metav1.CreateOptions{}) + require.NoError(t, err, "create user-defined profile %q in ns %s", profileName, ns.Name) + + require.Eventually(t, func() bool { + _, apErr := storageClient.ApplicationProfiles(ns.Name).Get( + context.Background(), profileName, v1.GetOptions{}) + return apErr == nil + }, 30*time.Second, 1*time.Second, "AP must be retrievable from storage before deploying the pod") + + wl, err := testutils.NewTestWorkload(ns.Name, + path.Join(utils.CurrentDir(), "resources/nginx-user-profile-deployment.yaml")) + require.NoError(t, err, "create workload in ns %s", ns.Name) + require.NoError(t, wl.WaitForReady(80), "workload not ready in ns %s", ns.Name) + + // Wait for node-agent to load the user-defined profile into cache. + time.Sleep(10 * time.Second) + return wl + } + + // catAndAlerts execs `cat ` (ignoring cat's own exit error — + // catting a directory or a non-readable file still triggers the + // open() syscall the eBPF tracer captures), then polls for alerts. + catAndAlerts := func(t *testing.T, wl *testutils.TestWorkload, filePath string) []testutils.Alert { + t.Helper() + stdout, stderr, _ := wl.ExecIntoPod([]string{"cat", filePath}, "nginx") + t.Logf("cat %q → stdout=%q stderr=%q", filePath, stdout, stderr) + + var alerts []testutils.Alert + require.Eventually(t, func() bool { + a, err := testutils.GetAlerts(wl.Namespace) + if err != nil { + return false + } + alerts = a + return true + }, 60*time.Second, 5*time.Second, "alerts must be retrievable from ns %s", wl.Namespace) + // Settle so any late R0002 alert lands before we count. + time.Sleep(10 * time.Second) + alerts, err := testutils.GetAlerts(wl.Namespace) + require.NoError(t, err, "get alerts from ns %s", wl.Namespace) + return alerts + } + + // hasR0002 returns true if any R0002 alert fired for `cat` in the + // nginx container. + hasR0002 := func(alerts []testutils.Alert) bool { + for _, a := range alerts { + if a.Labels["rule_name"] == ruleName && + a.Labels["comm"] == "cat" && + a.Labels["container_name"] == "nginx" { + return true + } + } + return false + } + + tests := []struct { + name string + profilePath string + filePath string + expectAlert bool + why string // contract pinned by this case + }{ + // ─── Trailing-`*` anchoring (the security fix) ────────────── + { + name: "trailing_star_matches_immediate_child", + profilePath: "/etc/*", + filePath: "/etc/hosts", + expectAlert: false, + why: "/etc/* matches a one-segment child under /etc", + }, + { + name: "trailing_star_matches_deep_child", + profilePath: "/etc/*", + filePath: "/etc/ssl/openssl.cnf", + expectAlert: false, + why: "/etc/* matches a multi-segment path under /etc (mid-path zero-or-more)", + }, + { + name: "trailing_star_does_not_match_bare_parent", + profilePath: "/etc/*", + filePath: "/etc", + expectAlert: true, + why: "/etc/* must NOT match the bare /etc directory itself — closes R0002 blind spot for parent-of-profiled-dir tampering", + }, + { + name: "deep_prefix_trailing_star_does_not_match_parent", + profilePath: "/var/log/*", + filePath: "/var/log", + expectAlert: true, + why: "Same anchoring rule applies at any depth: /var/log/* does NOT match /var/log", + }, + + // ─── DynamicIdentifier (⋯) exactly-one ────────────────────── + { + name: "ellipsis_pin_one_segment_then_literal", + profilePath: "/proc/" + dynamicpathdetector.DynamicIdentifier + "/cmdline", + filePath: "/proc/cmdline", + expectAlert: true, + why: "⋯ consumes EXACTLY ONE segment; /proc/⋯/cmdline must NOT match /proc/cmdline (zero between)", + }, + + // ─── Mixed ⋯/* combinations ───────────────────────────────── + { + name: "ellipsis_then_trailing_star_matches_two_segment_tail", + profilePath: "/proc/" + dynamicpathdetector.DynamicIdentifier + "/*", + filePath: "/proc/1/status", + expectAlert: false, + why: "/proc/⋯/* matches /proc/1/status (⋯ consumes 1, * consumes ≥1)", + }, + { + name: "ellipsis_then_trailing_star_matches_three_segment_tail", + profilePath: "/proc/" + dynamicpathdetector.DynamicIdentifier + "/*", + filePath: "/proc/1/task/1", + expectAlert: false, + why: "/proc/⋯/* matches deeper paths (⋯ consumes 1, * consumes ≥1 covering rest)", + }, + + // ─── Multiple trailing wildcards ──────────────────────────── + { + name: "double_trailing_matches_one_child", + profilePath: "/etc/*/*", + filePath: "/etc/ssl", + expectAlert: false, + why: "/etc/*/* matches /etc/ssh (mid-* consumes zero, trailing-* consumes one)", + }, + { + name: "double_trailing_matches_deep_child", + profilePath: "/etc/*/*", + filePath: "/etc/ssl/openssl.cnf", + expectAlert: false, + why: "/etc/*/* matches /etc/ssl/openssl.cnf (mid-* consumes one, trailing-* consumes one)", + }, + { + name: "double_trailing_does_not_match_parent", + profilePath: "/etc/*/*", + filePath: "/etc", + expectAlert: true, + why: "/etc/*/* requires at least one segment past /etc; bare /etc must NOT match", + }, + + // ─── splitPath trailing-slash normalisation ───────────────── + { + name: "trailing_slash_in_profile_normalises_to_literal", + profilePath: "/etc/passwd/", + filePath: "/etc/passwd", + expectAlert: false, + why: "Profile `/etc/passwd/` is normalised to `/etc/passwd`; matches the literal at runtime", + }, + } + + for _, tc := range tests { + t.Run(tc.name, func(t *testing.T) { + t.Logf("contract: %s", tc.why) + wl := deployWithProfile(t, tc.profilePath) + alerts := catAndAlerts(t, wl, tc.filePath) + got := hasR0002(alerts) + + detail := fmt.Sprintf("got %d alerts total; R0002 fired = %v", len(alerts), got) + passed := got == tc.expectAlert + if !passed { + if tc.expectAlert { + t.Errorf("expected R0002 alert: profile %q must NOT match %q (%s); but no alert fired", + tc.profilePath, tc.filePath, tc.why) + } else { + t.Errorf("expected NO R0002 alert: profile %q should match %q (%s); but alert fired", + tc.profilePath, tc.filePath, tc.why) + } + } + addResult(tc.name, tc.profilePath, tc.filePath, tc.expectAlert, passed, detail) + }) + } +} From cb5767473afdf2c1ee56803e2166f698c8a460dd Mon Sep 17 00:00:00 2001 From: Entlein Date: Fri, 1 May 2026 21:05:00 +0200 Subject: [PATCH 27/31] test(component): rework Test_33 negative cases to probe under R0002's monitored prefix MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit R0002's CEL ruleExpression has a strict path-prefix filter: event.path.startsWith('/etc/') || event.path.startsWith('/var/log/') || ... All with trailing slash. Bare /etc and /var/log don't pass the filter, so R0002 never evaluates on those events — the matcher's bare-parent anchoring contract stays invisible at runtime even though the storage unit tests pin it. Probe one level deeper instead: /etc/ssl IS under the /etc/ monitored prefix, so the rule CAN see whether a /etc/ssl/* profile entry matches the bare /etc/ssl parent. Same security guarantee, observable layer. Reworked subtests: - trailing_star_does_not_match_bare_parent_under_monitored_prefix: profile /etc/ssl/*, cat /etc/ssl → R0002 fires - deep_prefix_trailing_star_does_not_match_parent: profile /etc/ssl/certs/*, cat /etc/ssl/certs → R0002 fires - ellipsis_requires_one_segment_not_zero: profile /etc/passwd/⋯, cat /etc/passwd → ⋯ requires one more segment - double_trailing_does_not_match_parent_under_monitored_prefix: profile /etc/ssl/*/*, cat /etc/ssl → R0002 fires The 7 positive subtests that already passed are untouched. Added a comment block documenting why we probe at /etc/ssl rather than /etc. --- tests/component_test.go | 39 ++++++++++++++++++++++++--------------- 1 file changed, 24 insertions(+), 15 deletions(-) diff --git a/tests/component_test.go b/tests/component_test.go index 9e3a872db9..eee4700144 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -3613,6 +3613,15 @@ func Test_33_AnalyzeOpensWildcardAnchoring(t *testing.T) { why string // contract pinned by this case }{ // ─── Trailing-`*` anchoring (the security fix) ────────────── + // + // IMPORTANT: R0002's CEL ruleExpression has a strict prefix + // filter (event.path.startsWith('/etc/'), startsWith('/var/log/'), + // etc. — all with trailing slash). Bare `/etc` and `/var/log` + // don't match those prefixes, so the rule never evaluates on + // them and the matcher's anchoring contract stays invisible at + // runtime. Probe one level deeper instead — `/etc/ssl` IS under + // the `/etc/` monitored prefix, so R0002 CAN see whether a + // `/etc/ssl/*` profile entry matches the bare `/etc/ssl` parent. { name: "trailing_star_matches_immediate_child", profilePath: "/etc/*", @@ -3628,27 +3637,27 @@ func Test_33_AnalyzeOpensWildcardAnchoring(t *testing.T) { why: "/etc/* matches a multi-segment path under /etc (mid-path zero-or-more)", }, { - name: "trailing_star_does_not_match_bare_parent", - profilePath: "/etc/*", - filePath: "/etc", + name: "trailing_star_does_not_match_bare_parent_under_monitored_prefix", + profilePath: "/etc/ssl/*", + filePath: "/etc/ssl", expectAlert: true, - why: "/etc/* must NOT match the bare /etc directory itself — closes R0002 blind spot for parent-of-profiled-dir tampering", + why: "/etc/ssl/* must NOT match the bare /etc/ssl directory itself — pins the security fix at a path R0002's prefix filter can observe", }, { name: "deep_prefix_trailing_star_does_not_match_parent", - profilePath: "/var/log/*", - filePath: "/var/log", + profilePath: "/etc/ssl/certs/*", + filePath: "/etc/ssl/certs", expectAlert: true, - why: "Same anchoring rule applies at any depth: /var/log/* does NOT match /var/log", + why: "Same anchoring rule, deeper: /etc/ssl/certs/* does NOT match /etc/ssl/certs", }, // ─── DynamicIdentifier (⋯) exactly-one ────────────────────── { - name: "ellipsis_pin_one_segment_then_literal", - profilePath: "/proc/" + dynamicpathdetector.DynamicIdentifier + "/cmdline", - filePath: "/proc/cmdline", + name: "ellipsis_requires_one_segment_not_zero", + profilePath: "/etc/passwd/" + dynamicpathdetector.DynamicIdentifier, + filePath: "/etc/passwd", expectAlert: true, - why: "⋯ consumes EXACTLY ONE segment; /proc/⋯/cmdline must NOT match /proc/cmdline (zero between)", + why: "⋯ consumes EXACTLY ONE segment; /etc/passwd/⋯ requires one more, /etc/passwd alone has zero past — must fire R0002", }, // ─── Mixed ⋯/* combinations ───────────────────────────────── @@ -3683,11 +3692,11 @@ func Test_33_AnalyzeOpensWildcardAnchoring(t *testing.T) { why: "/etc/*/* matches /etc/ssl/openssl.cnf (mid-* consumes one, trailing-* consumes one)", }, { - name: "double_trailing_does_not_match_parent", - profilePath: "/etc/*/*", - filePath: "/etc", + name: "double_trailing_does_not_match_parent_under_monitored_prefix", + profilePath: "/etc/ssl/*/*", + filePath: "/etc/ssl", expectAlert: true, - why: "/etc/*/* requires at least one segment past /etc; bare /etc must NOT match", + why: "/etc/ssl/*/* requires at least one segment past /etc/ssl; bare /etc/ssl must NOT match (probed under /etc/ so R0002 sees it)", }, // ─── splitPath trailing-slash normalisation ───────────────── From 484d11c84f9db980e6deca7d6d6a318c04d1ae26 Mon Sep 17 00:00:00 2001 From: Entlein Date: Fri, 1 May 2026 21:27:27 +0200 Subject: [PATCH 28/31] test(component): fix Test_28 + Test_31 31b flakiness MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Two distinct fixes for what looked like the same intermittent failures across PR #37 runs: Test_31 31b 'untampered_signed_AP_no_R1016' — root cause: storage's PreSave runs DeflateSortString on Syscalls (and Capabilities, Architectures), which sorts + dedupes. The signSignedAP helper signed the AP BEFORE pushing, against unsorted syscalls {socket, connect, read, write, close, openat}. After PreSave the stored AP had sorted {close, connect, openat, read, socket, write}, so the content hash differed from the signature → server-side verify correctly failed → R1016 fired even though the profile was untampered. Test_29 + Test_30 30b had the same fixture but didn't observe the bug because they only assert R0001 counts, never R1016. Pre-sort the syscalls in all three test fixtures so storage's normalization is a no-op on round-trip. Test_28 28a 'allowed_fusioncore_no_alert' — root cause: 15s post-deploy sleep wasn't always enough for the upstream ContainerProfileCache to project the user-defined NN. Failure mode is alert payload `profileMetadata.errorMessage:"waiting for profile update"` — the rule manager evaluated against an unloaded NN and fired R0005/R0011 spuriously. Bumped to 30s with a comment documenting why. A real fix would poll a cache-loaded signal but no such signal is exposed from outside the node-agent today. --- tests/component_test.go | 26 ++++++++++++++++++++++---- 1 file changed, 22 insertions(+), 4 deletions(-) diff --git a/tests/component_test.go b/tests/component_test.go index eee4700144..51e1b00b3c 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -2259,7 +2259,15 @@ func Test_28_UserDefinedNetworkNeighborhood(t *testing.T) { path.Join(utils.CurrentDir(), "resources/nginx-user-defined-deployment.yaml")) require.NoError(t, err) require.NoError(t, wl.WaitForReady(80)) - time.Sleep(15 * time.Second) // let node-agent load profiles + // Cache-load latency on the upstream ContainerProfileCache is bursty + // — 15s is enough on a quiet runner but not on a loaded one. The + // failure mode is alert metadata `errorMessage:"waiting for profile + // update"`, which means the rule manager evaluated against an + // unloaded NN and fired R0005/R0011 spuriously. 30s covers the + // observed worst-case in CI without pushing total test time too + // far. Real fix would be to poll a cache-loaded signal, but no + // such signal is exposed today. + time.Sleep(30 * time.Second) return wl } @@ -2671,7 +2679,7 @@ func Test_29_SignedApplicationProfile(t *testing.T) { {Path: "/bin/sleep"}, {Path: "/usr/bin/curl"}, }, - Syscalls: []string{"socket", "connect", "read", "write", "close", "openat"}, + Syscalls: []string{"close", "connect", "openat", "read", "socket", "write"}, }, }, }, @@ -2926,7 +2934,7 @@ func Test_30_TamperedSignedProfiles(t *testing.T) { {Path: "/bin/sleep"}, {Path: "/usr/bin/curl"}, }, - Syscalls: []string{"socket", "connect", "read", "write", "close", "openat"}, + Syscalls: []string{"close", "connect", "openat", "read", "socket", "write"}, }, }, }, @@ -3049,8 +3057,18 @@ func Test_31_TamperDetectionAlert(t *testing.T) { storageClient := spdxv1beta1client.NewForConfigOrDie(k8sClient.K8SConfig) // signSignedAP returns a signed ApplicationProfile in nsName under name. + // + // IMPORTANT: storage's PreSave runs DeflateSortString on Syscalls and + // DeflateSortString on Capabilities, which sorts + dedupes those + // slices. The signed content must already be in storage's normalised + // form, otherwise the post-store AP that the node-agent verifies + // has a different content hash than what was signed → tamper detected + // → R1016 fires incorrectly even on an untampered profile. Pre-sort + // here so storage's normalisation is a no-op on round-trip. signSignedAP := func(t *testing.T, nsName, name string) *v1beta1.ApplicationProfile { t.Helper() + // Already in storage's sorted/deduped form: alphabetical, unique. + syscalls := []string{"close", "connect", "openat", "read", "socket", "write"} ap := &v1beta1.ApplicationProfile{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: nsName}, Spec: v1beta1.ApplicationProfileSpec{ @@ -3061,7 +3079,7 @@ func Test_31_TamperDetectionAlert(t *testing.T) { {Path: "/bin/sleep"}, {Path: "/usr/bin/curl"}, }, - Syscalls: []string{"socket", "connect", "read", "write", "close", "openat"}, + Syscalls: syscalls, }, }, }, From 4dd0b3910e4e0ec31d541762411e5bec70b00d85 Mon Sep 17 00:00:00 2001 From: Entlein Date: Fri, 1 May 2026 21:50:06 +0200 Subject: [PATCH 29/31] test(component): sign-after-roundtrip in Test_31 to defeat content-drift R1016 false positive MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Test_31 31b 'untampered_signed_AP_no_R1016' kept flaking because the AP's content hash drifted between client-side sign and server-side verify across the K8s/storage roundtrip. Sources of drift include storage's PreSave normalisation (DeflateSortString, DeflateStringer, DeflateRulePolicies), signature/profiles GetContent's nil→empty-map mutation on PolicyByRuleId, and any K8s server-side defaulting of spec/metadata fields. Pre-sorting Syscalls in the previous fix only covered one of these. Sign-after-roundtrip closes the whole class: 1. Push the AP UNSIGNED to storage. PreSave runs, normalises content. 2. Read it back — this is what node-agent will see at verify time. 3. Sign THAT normalised content. 4. Delete the unsigned in-storage copy so deployAndWait can Create the signed version without an AlreadyExists conflict. 5. Strip server-managed metadata (resourceVersion / uid / etc.) from the returned AP so the second Create succeeds cleanly. Second push goes through deflate again. Idempotent on already-normalised content → stored bytes identical to signed bytes → content hash matches → verify succeeds → no R1016 false positive. Tampered subtests (31a, 31d) keep working: signSignedAP returns a known-good signed AP, the test mutates it post-helper, deployAndWait Creates the mutated version, storage round-trip preserves the mutation, and verify correctly detects the divergence. --- tests/component_test.go | 65 ++++++++++++++++++++++++++++++++++------- 1 file changed, 55 insertions(+), 10 deletions(-) diff --git a/tests/component_test.go b/tests/component_test.go index 51e1b00b3c..35e5cf324b 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -3058,16 +3058,25 @@ func Test_31_TamperDetectionAlert(t *testing.T) { // signSignedAP returns a signed ApplicationProfile in nsName under name. // - // IMPORTANT: storage's PreSave runs DeflateSortString on Syscalls and - // DeflateSortString on Capabilities, which sorts + dedupes those - // slices. The signed content must already be in storage's normalised - // form, otherwise the post-store AP that the node-agent verifies - // has a different content hash than what was signed → tamper detected - // → R1016 fires incorrectly even on an untampered profile. Pre-sort - // here so storage's normalisation is a no-op on round-trip. + // IMPORTANT: storage's PreSave normalises spec content (DeflateSortString + // sorts+dedupes Syscalls/Capabilities/Architectures, DeflateStringer + // dedupes Execs, AnalyzeOpens/Endpoints/UnifyIdentifiedCallStacks + // rewrite their respective slices, GetContent injects empty + // PolicyByRuleId maps, and K8s itself may default fields). Signing + // locally and then pushing to storage makes the SIGNED hash mismatch + // the POST-STORE content hash that node-agent's tamper check sees, + // firing R1016 on an untampered profile. + // + // Sign-after-roundtrip eliminates every drift source at once: push + // the AP unsigned, read back the storage-normalised form, sign THAT, + // and let the caller push the signed version (deployAndWait does an + // Update-or-Create, so the second push goes through the same + // idempotent deflate and produces the same content hash). signSignedAP := func(t *testing.T, nsName, name string) *v1beta1.ApplicationProfile { t.Helper() - // Already in storage's sorted/deduped form: alphabetical, unique. + // Pre-sort syscalls so the first roundtrip is a no-op for that field + // — keeps the assertion that "deflate is idempotent on already-sorted + // content" honest. syscalls := []string{"close", "connect", "openat", "read", "socket", "write"} ap := &v1beta1.ApplicationProfile{ ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: nsName}, @@ -3084,8 +3093,44 @@ func Test_31_TamperDetectionAlert(t *testing.T) { }, }, } - require.NoError(t, signature.SignObjectDisableKeyless(profiles.NewApplicationProfileAdapter(ap)), "sign AP") - return ap + + // Round-trip 1: push unsigned, read back the normalised form. + _, err := storageClient.ApplicationProfiles(nsName).Create( + context.Background(), ap, metav1.CreateOptions{}) + require.NoError(t, err, "create unsigned AP for normalisation") + var stored *v1beta1.ApplicationProfile + require.Eventually(t, func() bool { + s, gerr := storageClient.ApplicationProfiles(nsName).Get( + context.Background(), name, v1.GetOptions{}) + if gerr != nil { + return false + } + stored = s + return true + }, 30*time.Second, 1*time.Second, "AP must be retrievable after unsigned create") + + // Sign the storage-normalised content. Now the hash in the signature + // annotation matches what node-agent will see when it loads the AP. + require.NoError(t, + signature.SignObjectDisableKeyless(profiles.NewApplicationProfileAdapter(stored)), + "sign storage-normalised AP") + + // Delete the unsigned in-storage copy so the caller's deployAndWait + // Create succeeds without an AlreadyExists conflict. Storage will + // re-deflate the signed AP on the second push; since that content + // is already normalised, deflate is a no-op and the hash stays + // stable. + require.NoError(t, + storageClient.ApplicationProfiles(nsName).Delete( + context.Background(), name, metav1.DeleteOptions{}), + "delete unsigned AP before caller re-pushes signed version") + // Strip server-managed metadata so the Create call doesn't see a + // stale resourceVersion / uid / creationTimestamp. + stored.ObjectMeta.ResourceVersion = "" + stored.ObjectMeta.UID = "" + stored.ObjectMeta.CreationTimestamp = v1.Time{} + stored.ObjectMeta.Generation = 0 + return stored } signSignedNN := func(t *testing.T, nsName, name string) *v1beta1.NetworkNeighborhood { From 6dda0205c0acb7eb34a536f8c4f5d8a46c790048 Mon Sep 17 00:00:00 2001 From: Entlein Date: Fri, 1 May 2026 22:34:26 +0200 Subject: [PATCH 30/31] test(component): bump Test_33 WaitForReady to 180s for cluster-pressure tolerance MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Test_33 deploys 11 fresh pods sequentially, one per subtest. Later subtests race against an increasingly loaded kind cluster — CP cache reconciler, alertmanager, prometheus all chew CPU at boot. 80s WaitForReady deadline timed out on the post-23ea224 run with 'workload not ready in ns ...' for early subtests once the cluster got busy. 180s gives headroom without changing total runtime regime. --- tests/component_test.go | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/tests/component_test.go b/tests/component_test.go index 35e5cf324b..a41318025d 100644 --- a/tests/component_test.go +++ b/tests/component_test.go @@ -3624,7 +3624,12 @@ func Test_33_AnalyzeOpensWildcardAnchoring(t *testing.T) { wl, err := testutils.NewTestWorkload(ns.Name, path.Join(utils.CurrentDir(), "resources/nginx-user-profile-deployment.yaml")) require.NoError(t, err, "create workload in ns %s", ns.Name) - require.NoError(t, wl.WaitForReady(80), "workload not ready in ns %s", ns.Name) + // 11 subtests deploy a fresh pod sequentially, so each later subtest + // races against an increasingly loaded kind cluster — the upstream + // CP cache reconciler, alertmanager, and prometheus all chew CPU at + // boot. 80s timed out intermittently; 180s gives headroom without + // pushing the total test runtime into a different regime. + require.NoError(t, wl.WaitForReady(180), "workload not ready in ns %s", ns.Name) // Wait for node-agent to load the user-defined profile into cache. time.Sleep(10 * time.Second) From a5af2613447403f3ae142322bc5095f5ced30aae Mon Sep 17 00:00:00 2001 From: Entlein Date: Mon, 4 May 2026 11:02:28 +0200 Subject: [PATCH 31/31] =?UTF-8?q?deps(storage):=20bump=20replace=20to=2043?= =?UTF-8?q?795bb4=20(storage=20feat/exec-arg-wildcards=20tip=20=E2=80=94?= =?UTF-8?q?=20CRDs=20+=20CompareExecArgs)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- go.mod | 2 +- go.sum | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/go.mod b/go.mod index a82c675e47..37605d1948 100644 --- a/go.mod +++ b/go.mod @@ -507,4 +507,4 @@ replace github.com/inspektor-gadget/inspektor-gadget => github.com/matthyx/inspe replace github.com/cilium/ebpf => github.com/matthyx/ebpf v0.0.0-20260421101317-8a32d06def6c -replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260501173152-4ab95fb87ba2 +replace github.com/kubescape/storage => github.com/k8sstormcenter/storage v0.0.240-0.20260503184242-43795bb4f0b6 diff --git a/go.sum b/go.sum index defe0d250e..0d4fa4b531 100644 --- a/go.sum +++ b/go.sum @@ -981,8 +981,8 @@ github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHm github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU= github.com/jstemmer/go-junit-report v0.9.1/go.mod h1:Brl9GWCQeLvo8nXZwPNNblvFj/XSXhF0NWZEnDohbsk= github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w= -github.com/k8sstormcenter/storage v0.0.240-0.20260501173152-4ab95fb87ba2 h1:0yjl3JVdk20Ij2ppjTJ5+awY4/EIuzF9uotncB36SqI= -github.com/k8sstormcenter/storage v0.0.240-0.20260501173152-4ab95fb87ba2/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= +github.com/k8sstormcenter/storage v0.0.240-0.20260503184242-43795bb4f0b6 h1:pzIvtCkXBC6t4v7EIIekbltfBnWfvWKjB6ZsgdhkWr0= +github.com/k8sstormcenter/storage v0.0.240-0.20260503184242-43795bb4f0b6/go.mod h1:amdg/Qok9bqPzs1vZH5FW9/3MbCawc5wVsz9u3uIfu4= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953 h1:WdAeg/imY2JFPc/9CST4bZ80nNJbiBFCAdSZCSgrS5Y= github.com/kastenhq/goversion v0.0.0-20230811215019-93b2f8823953/go.mod h1:6o+UrvuZWc4UTyBhQf0LGjW9Ld7qJxLz/OqvSOWWlEc= github.com/kevinburke/ssh_config v1.2.0 h1:x584FjTGwHzMwvHx18PXxbBVzfnxogHaAReU4gf13a4=