Add FDW version property

Author: kaidaguerre

fdw.go

@@ -16,6 +16,8 @@ import (
 	"time"
 	"unsafe"
 
+	"github.com/turbot/steampipe-postgres-fdw/version"
+
 	"github.com/hashicorp/go-hclog"
 	"github.com/turbot/steampipe-plugin-sdk/v3/logging"
 	"github.com/turbot/steampipe-postgres-fdw/hub"
@@ -39,6 +41,7 @@ func init() {
 	SetEnvVars()
 
 	level := logging.LogLevel()
+	log.Printf("[INFO] Version v%s\n", version.FdwVersion.String())
 	log.Printf("[INFO] Log level %s\n", level)
 	if level != "TRACE" {
 		// suppress logs

version/version.go

@@ -0,0 +1,35 @@
+// Package version :: The version package provides a location to set the release versions for all
+// packages to consume, without creating import cycles.
+//
+// This package should not import any other steampipe packages.
+//
+package version
+
+import (
+	"fmt"
+
+	"github.com/Masterminds/semver"
+)
+
+// The main version number that is being run at the moment.
+var fdwVersion = "1.2.0"
+
+// A pre-release marker for the version. If this is "" (empty string)
+// then it means that it is a final release. Otherwise, this is a pre-release
+// such as "dev" (in development), "beta", "rc1", etc.
+var prerelease = "rc.2"
+
+// SteampipeVersion is an instance of semver.Version. This has the secondary
+// benefit of verifying during tests and init time that our version is a
+// proper semantic version, which should always be the case.
+var FdwVersion *semver.Version
+
+var VersionString string
+
+func init() {
+	VersionString = fdwVersion
+	if prerelease != "" {
+		VersionString = fmt.Sprintf("%s-%s", fdwVersion, prerelease)
+	}
+	FdwVersion = semver.MustParse(VersionString)
+}