test: precreate cvi for e2e tests #2103
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@@ -27,3 +27,7 @@ func Slow() Labels { | |
| func TPM() Labels { | ||
| return Label("TPM") | ||
| } | ||
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| func Legacy() Labels { | ||
| return Label("Legacy") | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,86 @@ | ||
| /* | ||
| Copyright 2026 Flant JSC | ||
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| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
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| http://www.apache.org/licenses/LICENSE-2.0 | ||
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| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package object | ||
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| import ( | ||
| "fmt" | ||
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| "k8s.io/utils/ptr" | ||
| "sigs.k8s.io/yaml" | ||
| ) | ||
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| // CloudConfig mirrors the cloud-init cloud-config YAML schema. | ||
| // Only the keys used by e2e tests are included. | ||
| // See https://cloudinit.readthedocs.io/en/latest/reference/modules.html | ||
| type CloudConfig struct { | ||
| PackageUpdate bool `json:"package_update,omitempty"` | ||
| Packages []string `json:"packages,omitempty"` | ||
| WriteFiles []WriteFile `json:"write_files,omitempty"` | ||
| Users []CloudConfigUser `json:"users,omitempty"` | ||
| Runcmd []string `json:"runcmd,omitempty"` | ||
| SSHPwauth *bool `json:"ssh_pwauth,omitempty"` | ||
| } | ||
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| type CloudConfigUser struct { | ||
| Name string `json:"name"` | ||
| Passwd string `json:"passwd,omitempty"` | ||
| Shell string `json:"shell,omitempty"` | ||
| Sudo string `json:"sudo,omitempty"` | ||
| LockPasswd *bool `json:"lock_passwd,omitempty"` | ||
| SSHAuthorizedKeys []string `json:"ssh_authorized_keys,omitempty"` | ||
| } | ||
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| type WriteFile struct { | ||
| Path string `json:"path"` | ||
| Permissions string `json:"permissions,omitempty"` | ||
| Content string `json:"content,omitempty"` | ||
| Append bool `json:"append,omitempty"` | ||
| } | ||
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| const defaultSSHPublicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFxcXHmwaGnJ8scJaEN5RzklBPZpVSic4GdaAsKjQoeA your_email@example.com" | ||
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| // DefaultCloudUser returns the standard e2e test user (cloud/cloud) with SSH key. | ||
| func DefaultCloudUser() CloudConfigUser { | ||
| return CloudConfigUser{ | ||
| Name: DefaultUser, | ||
| Passwd: "$6$rounds=4096$vln/.aPHBOI7BMYR$bBMkqQvuGs5Gyd/1H5DP4m9HjQSy.kgrxpaGEHwkX7KEFV8BS.HZWPitAtZ2Vd8ZqIZRqmlykRCagTgPejt1i.", | ||
| Shell: "/bin/bash", | ||
| Sudo: "ALL=(ALL) NOPASSWD:ALL", | ||
| LockPasswd: ptr.To(false), | ||
| SSHAuthorizedKeys: []string{defaultSSHPublicKey}, | ||
| } | ||
| } | ||
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| var basePackages = []string{ | ||
| "qemu-guest-agent", | ||
| "curl", | ||
| "bash", | ||
| "sudo", | ||
| "util-linux", | ||
| "iperf3", | ||
| "jq", | ||
| } | ||
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| // Render serializes the CloudConfig to a valid cloud-init user-data string | ||
| // with the required #cloud-config header. | ||
| func (c CloudConfig) Render() string { | ||
| data, err := yaml.Marshal(c) | ||
| if err != nil { | ||
| panic(fmt.Sprintf("cloud-config marshal: %v", err)) | ||
| } | ||
| return "#cloud-config\n" + string(data) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| /* | ||
| Copyright 2026 Flant JSC | ||
|
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| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
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| http://www.apache.org/licenses/LICENSE-2.0 | ||
|
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| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package object | ||
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| import ( | ||
| "strings" | ||
| "testing" | ||
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| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "sigs.k8s.io/yaml" | ||
| ) | ||
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| func TestCloudConfigRender(t *testing.T) { | ||
| tests := []struct { | ||
| name string | ||
| rendered string | ||
| }{ | ||
| {"AlpineCloudInit", AlpineCloudInit}, | ||
| {"UbuntuCloudInit", UbuntuCloudInit}, | ||
| {"PerfCloudInit", PerfCloudInit}, | ||
| } | ||
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| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| require.True(t, strings.HasPrefix(tt.rendered, "#cloud-config\n"), | ||
| "cloud-init must start with #cloud-config header") | ||
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| var parsed map[string]interface{} | ||
|
Contributor
There was a problem hiding this comment. Should it be parsed into the CloudConfig structure?
Member
Author
There was a problem hiding this comment. We intentionally parse into map[string]interface{} to verify actual YAML key names (which are controlled by the struct's json: tags via sigs.k8s.io/yaml). A round-trip through CloudConfig would always be self-consistent and wouldn't catch a tag typo that breaks the cloud-init contract. |
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| err := yaml.Unmarshal([]byte(tt.rendered), &parsed) | ||
| require.NoError(t, err, "cloud-init must be valid YAML") | ||
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| assert.Equal(t, true, parsed["package_update"]) | ||
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| users, ok := parsed["users"].([]interface{}) | ||
| require.True(t, ok, "users must be a list") | ||
| require.Len(t, users, 1) | ||
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| user := users[0].(map[string]interface{}) | ||
| assert.Equal(t, DefaultUser, user["name"]) | ||
| assert.Equal(t, false, user["lock_passwd"]) | ||
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| keys, ok := user["ssh_authorized_keys"].([]interface{}) | ||
| require.True(t, ok) | ||
| require.Len(t, keys, 1) | ||
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| runcmd, ok := parsed["runcmd"].([]interface{}) | ||
| require.True(t, ok, "runcmd must be a list") | ||
| assert.NotEmpty(t, runcmd) | ||
| }) | ||
| } | ||
| } | ||
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| func TestPerfCloudInitHasWriteFiles(t *testing.T) { | ||
| var parsed map[string]interface{} | ||
| err := yaml.Unmarshal([]byte(PerfCloudInit), &parsed) | ||
| require.NoError(t, err) | ||
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| writeFiles, ok := parsed["write_files"].([]interface{}) | ||
| require.True(t, ok, "PerfCloudInit must have write_files") | ||
| require.Len(t, writeFiles, 1) | ||
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| wf := writeFiles[0].(map[string]interface{}) | ||
| assert.Equal(t, "/usr/scripts/iperf3.sh", wf["path"]) | ||
| assert.Equal(t, "0755", wf["permissions"]) | ||
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| content, ok := wf["content"].(string) | ||
| require.True(t, ok) | ||
| assert.Contains(t, content, "#!/bin/bash") | ||
| assert.Contains(t, content, "iperf3") | ||
| } | ||
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| func TestPerfCloudInitGolden(t *testing.T) { | ||
| expected := `#cloud-config | ||
| package_update: true | ||
| packages: | ||
| - qemu-guest-agent | ||
| - curl | ||
| - bash | ||
| - sudo | ||
| - util-linux | ||
| - iperf3 | ||
| - jq | ||
| - iputils | ||
| runcmd: | ||
| - /usr/scripts/iperf3.sh | ||
| - rc-update add qemu-guest-agent && rc-service qemu-guest-agent start | ||
| - rc-update add iperf3 && rc-service iperf3 start | ||
| - rc-update add sshd && rc-service sshd start | ||
| users: | ||
| - lock_passwd: false | ||
| name: cloud | ||
| passwd: $6$rounds=4096$vln/.aPHBOI7BMYR$bBMkqQvuGs5Gyd/1H5DP4m9HjQSy.kgrxpaGEHwkX7KEFV8BS.HZWPitAtZ2Vd8ZqIZRqmlykRCagTgPejt1i. | ||
| shell: /bin/bash | ||
| ssh_authorized_keys: | ||
| - ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFxcXHmwaGnJ8scJaEN5RzklBPZpVSic4GdaAsKjQoeA | ||
| your_email@example.com | ||
| sudo: ALL=(ALL) NOPASSWD:ALL | ||
| write_files: | ||
| - content: | | ||
| #!/bin/bash | ||
| cat > /etc/init.d/iperf3 <<-"EOF" | ||
| #!/sbin/openrc-run | ||
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| name="iperf3" | ||
| description="iperf3 server" | ||
| command="/usr/bin/iperf3" | ||
| command_args="-s" | ||
| pidfile="/run/${name}.pid" | ||
| supervisor="supervise-daemon" | ||
| supervise_daemon_args="--respawn-delay 2 --stdout /var/log/iperf3.log --stderr /var/log/iperf3.log" | ||
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| depend() { | ||
| need net | ||
| } | ||
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| start_pre() { | ||
| checkpath --directory --owner root:root --mode 0755 /run | ||
| touch /var/log/iperf3.log | ||
| chmod 644 /var/log/iperf3.log | ||
| } | ||
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| stop_post() { | ||
| logger -t iperf3 "Stopped by $(whoami) at $(date)" | ||
| rm -f "$pidfile" | ||
| } | ||
| EOF | ||
| chmod +x /etc/init.d/iperf3 | ||
| rc-update add iperf3 default | ||
| path: /usr/scripts/iperf3.sh | ||
| permissions: "0755" | ||
| ` | ||
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| assert.Equal(t, expected, PerfCloudInit) | ||
| } | ||
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This can be a validation method of CloudConfig. But not required.
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The #cloud-config header is a property of the rendered string, not the CloudConfig struct itself — Render() always prepends it. A Validate() method on the struct wouldn't have access to it. This check is purely a test-level assertion that the pre-rendered constants are well-formed, so I think it fits better here as is.