add cluster fqdn to telemetry exported

Signed-off-by: Alex Castilio dos Santos <[email protected]>

test/e2e/framework/azure/get-fqdn.go

@@ -0,0 +1,27 @@
+package azure
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
+	armcontainerservice "github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/containerservice/armcontainerservice/v4"
+)
+
+func GetFqdnFn(subscriptionId, resourceGroupName, clusterName string) (string, error) {
+	cred, err := azidentity.NewAzureCLICredential(nil)
+	if err != nil {
+		return "", fmt.Errorf("failed to obtain a credential: %w", err)
+	}
+	ctx := context.Background()
+	clientFactory, err := armcontainerservice.NewClientFactory(subscriptionId, cred, nil)
+	if err != nil {
+		return "", fmt.Errorf("failed to create client: %w", err)
+	}
+	res, err := clientFactory.NewManagedClustersClient().Get(ctx, resourceGroupName, clusterName, nil)
+	if err != nil {
+		return "", fmt.Errorf("failed to finish the get managed cluster client request: %w", err)
+	}
+
+	return *res.Properties.Fqdn, nil
+}

test/e2e/scale_test.go

@@ -11,6 +11,7 @@ import (
 	"testing"
 
 	"github.com/microsoft/retina/test/e2e/common"
+	"github.com/microsoft/retina/test/e2e/framework/azure"
 	"github.com/microsoft/retina/test/e2e/framework/generic"
 	"github.com/microsoft/retina/test/e2e/framework/helpers"
 	"github.com/microsoft/retina/test/e2e/framework/types"
@@ -98,6 +99,10 @@ func TestE2ERetina_Scale(t *testing.T) {
 		}
 	})
 
+	fqdn, err := azure.GetFqdnFn(subID, rg, clusterName)
+	require.NoError(t, err)
+	opt.AdditionalTelemetryProperty["clusterFqdn"] = fqdn
+
 	// Install Retina
 	installRetina := types.NewRunner(t, jobs.InstallRetina(kubeConfigFilePath, chartPath))
 	installRetina.Run(ctx)