Add build version to NetBird client user agent. (#248)

This also fix the runtime import aliases to avoid conflicts with stdlib
runtime.

.golangci.yml

@@ -48,9 +48,9 @@ linters:
         - pkg: k8s.io/client-go/kubernetes/scheme
           alias: clientgoscheme
         - pkg: k8s.io/apimachinery/pkg/runtime
-          alias: apimachineryruntime
+          alias: kruntime
         - pkg: k8s.io/apimachinery/pkg/util/runtime
-          alias: utilruntime
+          alias: kruntimeutil
         - pkg: sigs.k8s.io/controller-runtime/pkg/metrics/server
           alias: metricsserver
         - pkg: k8s.io/apimachinery/pkg/apis/meta/v1

cmd/main.go

@@ -13,11 +13,12 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"runtime"
 	"strings"
 
 	corev1 "k8s.io/api/core/v1"
-	"k8s.io/apimachinery/pkg/runtime"
-	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	kruntime "k8s.io/apimachinery/pkg/runtime"
+	kruntimeutil "k8s.io/apimachinery/pkg/util/runtime"
 	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/certwatcher"
@@ -39,18 +40,18 @@ import (
 )
 
 var (
-	scheme   = runtime.NewScheme()
+	scheme   = kruntime.NewScheme()
 	setupLog = ctrl.Log.WithName("setup")
 )
 
 func init() {
-	utilruntime.Must(clientgoscheme.AddToScheme(scheme))
+	kruntimeutil.Must(clientgoscheme.AddToScheme(scheme))
 
-	utilruntime.Must(nbv1.AddToScheme(scheme))
-	utilruntime.Must(corev1.AddToScheme(scheme))
-	utilruntime.Must(gwv1.Install(scheme))
-	utilruntime.Must(gwv1alpha2.Install(scheme))
-	utilruntime.Must(nbv1alpha1.AddToScheme(scheme))
+	kruntimeutil.Must(nbv1.AddToScheme(scheme))
+	kruntimeutil.Must(corev1.AddToScheme(scheme))
+	kruntimeutil.Must(gwv1.Install(scheme))
+	kruntimeutil.Must(gwv1alpha2.Install(scheme))
+	kruntimeutil.Must(nbv1alpha1.AddToScheme(scheme))
 	// +kubebuilder:scaffold:scheme
 }
 
@@ -216,7 +217,7 @@ func main() {
 		nbClient := netbird.NewWithOptions(
 			netbird.WithManagementURL(managementURL),
 			netbird.WithBearerToken(netbirdAPIKey),
-			netbird.WithUserAgent("netbird-operator"),
+			netbird.WithUserAgent(fmt.Sprintf("netbird-operator/%s (%s/%s)", version.BuildVersion(), runtime.GOOS, runtime.GOARCH)),
 		)
 
 		if err = (&controller.NBRoutingPeerReconciler{

internal/version/version.go

@@ -2,6 +2,36 @@
 
 package version
 
+import (
+	"runtime/debug"
+)
+
 func ClientImage() string {
 	return "ghcr.io/netbirdio/netbird:0.70.4@sha256:3a28b9f7f32875c6a35f952ca7e9cb688b1e610365365ff55f6e790da3950f55"
 }
+
+func BuildVersion() string {
+	bi, ok := debug.ReadBuildInfo()
+	if !ok {
+		return "unknown"
+	}
+
+	modified := true
+	for _, s := range bi.Settings {
+		if s.Key == "vcs.modified" {
+			if s.Value == "false" {
+				modified = false
+			}
+			break
+		}
+	}
+
+	develVersion := "devel"
+	if modified {
+		return develVersion
+	}
+	if bi.Main.Version == "" {
+		return develVersion
+	}
+	return bi.Main.Version
+}

internal/webhook/v1/webhook_suite_test.go

@@ -16,7 +16,7 @@ import (
 	. "github.com/onsi/gomega"
 	admissionv1 "k8s.io/api/admission/v1"
 	corev1 "k8s.io/api/core/v1"
-	apimachineryruntime "k8s.io/apimachinery/pkg/runtime"
+	kruntime "k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -53,7 +53,7 @@ var _ = BeforeSuite(func() {
 	ctx, cancel = context.WithCancel(context.TODO())
 
 	var err error
-	scheme := apimachineryruntime.NewScheme()
+	scheme := kruntime.NewScheme()
 	err = corev1.AddToScheme(scheme)
 	Expect(err).NotTo(HaveOccurred())