add easy to use dynamic client

test/e2e_node/services/BUILD

@@ -23,7 +23,6 @@ go_library(
         "//cmd/kube-apiserver/app:go_default_library",
         "//cmd/kube-apiserver/app/options:go_default_library",
         "//cmd/kubelet/app/options:go_default_library",
-        "//pkg/api/legacyscheme:go_default_library",
         "//pkg/controller/namespace:go_default_library",
         "//pkg/features:go_default_library",
         "//pkg/kubelet/apis/kubeletconfig:go_default_library",

test/e2e_node/services/namespace_controller.go

@@ -24,7 +24,6 @@ import (
 	"k8s.io/client-go/informers"
 	clientset "k8s.io/client-go/kubernetes"
 	restclient "k8s.io/client-go/rest"
-	"k8s.io/kubernetes/pkg/api/legacyscheme"
 	namespacecontroller "k8s.io/kubernetes/pkg/controller/namespace"
 )
 
@@ -56,12 +55,15 @@ func (n *NamespaceController) Start() error {
 	if err != nil {
 		return err
 	}
-	clientPool := dynamic.NewClientPool(config, legacyscheme.Registry.RESTMapper(), dynamic.LegacyAPIPathResolverFunc)
+	dynamicClient, err := dynamic.NewForConfig(config)
+	if err != nil {
+		return err
+	}
 	discoverResourcesFn := client.Discovery().ServerPreferredNamespacedResources
 	informerFactory := informers.NewSharedInformerFactory(client, ncResyncPeriod)
 	nc := namespacecontroller.NewNamespaceController(
 		client,
-		clientPool,
+		dynamicClient,
 		discoverResourcesFn,
 		informerFactory.Core().V1().Namespaces(),
 		ncResyncPeriod, v1.FinalizerKubernetes,

test/integration/client/dynamic_client_test.go

@@ -45,7 +45,7 @@ func TestDynamicClient(t *testing.T) {
 	}
 
 	client := clientset.NewForConfigOrDie(config)
-	dynamicClient, err := dynamic.NewClient(config)
+	dynamicClient, err := dynamic.NewClient(config, *gv)
 	_ = dynamicClient
 	if err != nil {
 		t.Fatalf("unexpected error creating dynamic client: %v", err)

test/integration/master/crd_test.go

@@ -153,7 +153,7 @@ func TestCRD(t *testing.T) {
 	barComConfig := *result.ClientConfig
 	barComConfig.GroupVersion = &schema.GroupVersion{Group: "cr.bar.com", Version: "v1"}
 	barComConfig.APIPath = "/apis"
-	barComClient, err := dynamic.NewClient(&barComConfig)
+	barComClient, err := dynamic.NewClient(&barComConfig, *barComConfig.GroupVersion)
 	if err != nil {
 		t.Fatalf("Unexpected error: %v", err)
 	}