add healthz to genericapiserver

test/integration/auth/rbac_test.go

@@ -475,4 +475,10 @@ func TestBootstrapping(t *testing.T) {
 	}
 
 	t.Errorf("missing cluster-admin: %v", clusterRoles)
+
+	healthBytes, err := clientset.Discovery().RESTClient().Get().AbsPath("/healthz/poststarthooks/rbac/bootstrap-roles").DoRaw()
+	if err != nil {
+		t.Error(err)
+	}
+	t.Errorf("expected %v, got %v", "asdf", string(healthBytes))
 }

test/integration/framework/master_utils.go

@@ -235,6 +235,12 @@ func startMasterOrDie(masterConfig *master.Config, incomingServer *httptest.Serv
 		masterReceiver.SetMaster(m)
 	}
 
+	// TODO have this start method actually use the normal start sequence for the API server
+	// this method never actually calls the `Run` method for the API server
+	// fire the post hooks ourselves
+	m.GenericAPIServer.PrepareRun()
+	m.GenericAPIServer.RunPostStartHooks()
+
 	cfg := *masterConfig.GenericConfig.LoopbackClientConfig
 	cfg.ContentConfig.GroupVersion = &unversioned.GroupVersion{}
 	privilegedClient, err := restclient.RESTClientFor(&cfg)
@@ -254,12 +260,6 @@ func startMasterOrDie(masterConfig *master.Config, incomingServer *httptest.Serv
 		glog.Fatal(err)
 	}
 
-	// TODO have this start method actually use the normal start sequence for the API server
-	// this method never actually calls the `Run` method for the API server
-	// fire the post hooks ourselves
-	m.GenericAPIServer.PrepareRun()
-	m.GenericAPIServer.RunPostStartHooks()
-
 	// wait for services to be ready
 	if masterConfig.EnableCoreControllers {
 		// TODO Once /healthz is updated for posthooks, we'll wait for good health
@@ -350,6 +350,7 @@ func NewMasterConfig() *master.Config {
 	genericConfig.APIResourceConfigSource = master.DefaultAPIResourceConfigSource()
 	genericConfig.Authorizer = authorizer.NewAlwaysAllowAuthorizer()
 	genericConfig.AdmissionControl = admit.NewAlwaysAdmit()
+	genericConfig.EnableMetrics = true
 
 	return &master.Config{
 		GenericConfig:         genericConfig,

test/integration/openshift/openshift_test.go

@@ -29,6 +29,7 @@ func TestMasterExportsSymbols(t *testing.T) {
 	_ = &master.Config{
 		GenericConfig: &genericapiserver.Config{
 			EnableSwaggerSupport: false,
+			EnableMetrics:        true,
 		},
 		EnableCoreControllers: false,
 		EnableUISupport:       false,