Add pretty printing.

pkg/registry/controller_registry.go

@@ -59,6 +59,7 @@ func (storage *ControllerRegistryStorage) Delete(id string) error {
 func (storage *ControllerRegistryStorage) Extract(body string) (interface{}, error) {
 	result := ReplicationController{}
 	err := json.Unmarshal([]byte(body), &result)
+	result.Kind = "cluster#replicationController"
 	return result, err
 }
 

pkg/registry/controller_registry_test.go

@@ -124,9 +124,9 @@ func TestExtractControllerJson(t *testing.T) {
 	expectNoError(t, err)
 	controllerOut, err := storage.Extract(string(body))
 	expectNoError(t, err)
-	jsonOut, err := json.Marshal(controllerOut)
-	expectNoError(t, err)
-	if string(body) != string(jsonOut) {
+	// Extract adds a Kind
+	controller.Kind = "cluster#replicationController"
+	if !reflect.DeepEqual(controller, controllerOut) {
 		t.Errorf("Expected %#v, found %#v", controller, controllerOut)
 	}
 }

pkg/registry/service_registry.go

@@ -78,6 +78,7 @@ func (sr *ServiceRegistryStorage) Delete(id string) error {
 func (sr *ServiceRegistryStorage) Extract(body string) (interface{}, error) {
 	var svc Service
 	err := json.Unmarshal([]byte(body), &svc)
+	svc.Kind = "cluster#service"
 	return svc, err
 }