Remove HeadlessService label in endpoints controller before comparing

pkg/controller/endpoint/endpoints_controller_test.go

@@ -383,6 +383,33 @@ func TestSyncEndpointsProtocolTCP(t *testing.T) {
 	endpointsHandler.ValidateRequest(t, "/api/v1/namespaces/"+ns+"/endpoints/foo", "PUT", &data)
 }
 
+func TestSyncEndpointsHeadlessServiceLabel(t *testing.T) {
+	ns := metav1.NamespaceDefault
+	testServer, endpointsHandler := makeTestServer(t, ns)
+	defer testServer.Close()
+	endpoints := newController(testServer.URL, 0*time.Second)
+	endpoints.endpointsStore.Add(&v1.Endpoints{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:            "foo",
+			Namespace:       ns,
+			ResourceVersion: "1",
+			Labels: map[string]string{
+				v1.IsHeadlessService: "",
+			},
+		},
+		Subsets: []v1.EndpointSubset{},
+	})
+	endpoints.serviceStore.Add(&v1.Service{
+		ObjectMeta: metav1.ObjectMeta{Name: "foo", Namespace: ns},
+		Spec: v1.ServiceSpec{
+			Selector: map[string]string{"foo": "bar"},
+			Ports:    []v1.ServicePort{{Port: 80}},
+		},
+	})
+	endpoints.syncService(ns + "/foo")
+	endpointsHandler.ValidateRequestCount(t, 0)
+}
+
 func TestSyncEndpointsProtocolUDP(t *testing.T) {
 	ns := "other"
 	testServer, endpointsHandler := makeTestServer(t, ns)