Merge pull request #24509 from caesarxuchao/primitive-gc

Automatic merge from submit-queue

Adding garbage collector controller

Adding the propagator and garbage processor of the gc.

Design doc is at https://github.com/kubernetes/kubernetes/blob/master/docs/proposals/garbage-collection.md

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contrib/mesos/pkg/controllermanager/controllermanager.go

@@ -220,7 +220,7 @@ func (s *CMServer) Run(_ []string) error {
 	// Find the list of namespaced resources via discovery that the namespace controller must manage
 	namespaceKubeClient := clientset.NewForConfigOrDie(restclient.AddUserAgent(kubeconfig, "namespace-controller"))
 	namespaceClientPool := dynamic.NewClientPool(restclient.AddUserAgent(kubeconfig, "namespace-controller"), dynamic.LegacyAPIPathResolverFunc)
-	groupVersionResources, err := namespacecontroller.ServerPreferredNamespacedGroupVersionResources(namespaceKubeClient.Discovery())
+	groupVersionResources, err := namespaceKubeClient.Discovery().ServerPreferredNamespacedResources()
 	if err != nil {
 		glog.Fatalf("Failed to get supported resources from server: %v", err)
 	}