kube/client: add to global client-go scheme in init func

Signed-off-by: Dr. Stefan Schimanski <stefan.schimanski@gmail.com>

pkg/kube/client.go

@@ -85,23 +85,22 @@ type Client struct {
 	kubeClient *kubernetes.Clientset
 }
 
-var addToScheme sync.Once
+func init() {
+	// Add CRDs to the scheme. They are missing by default.
+	if err := apiextv1.AddToScheme(scheme.Scheme); err != nil {
+		// This should never happen.
+		panic(err)
+	}
+	if err := apiextv1beta1.AddToScheme(scheme.Scheme); err != nil {
+		panic(err)
+	}
+}
 
 // New creates a new Client.
 func New(getter genericclioptions.RESTClientGetter) *Client {
 	if getter == nil {
 		getter = genericclioptions.NewConfigFlags(true)
 	}
-	// Add CRDs to the scheme. They are missing by default.
-	addToScheme.Do(func() {
-		if err := apiextv1.AddToScheme(scheme.Scheme); err != nil {
-			// This should never happen.
-			panic(err)
-		}
-		if err := apiextv1beta1.AddToScheme(scheme.Scheme); err != nil {
-			panic(err)
-		}
-	})
 	return &Client{
 		Factory: cmdutil.NewFactory(getter),
 		Log:     nopLogger,