Self Service Configuration from Factory

pkg/api/factory.go

@@ -33,6 +33,7 @@
 type Factory interface {
 	GetAPI() (API, error)
 	GetAPIsFromNamespace(namespace string) (map[string]API, error)
+	GetAPIsFromFactory(resource interface{}) (map[string]API, error)
 }
 
 type apiFactory struct {
@@ -170,6 +171,10 @@
 	return apis, nil
 }
 
+func (f *apiFactory) GetAPIsFromFactory(resource interface{}) (map[string]API, error) {
+	return nil, fmt.Errorf("not implemented")
+}
+
 func (f *apiFactory) getApiFromNamespace(namespace string) (API, error) {
 	cm, secret, err := f.getConfigMapAndSecret(namespace)
 	if err != nil {

pkg/controller/controller.go

@@ -154,6 +154,18 @@
 	return ctrl
 }
 
+// NewControllerWithNamespaceSupport For self-service notification getting configuration from apiFactory
+func NewControllerWithFactorySupport(
+	client dynamic.NamespaceableResourceInterface,
+	informer cache.SharedIndexInformer,
+	apiFactory api.Factory,
+	opts ...Opts,
+) *notificationController {
+	ctrl := NewController(client, informer, apiFactory, opts...)
+	ctrl.factorySupport = true
+	return ctrl
+}
+
 type notificationController struct {
 	client            dynamic.NamespaceableResourceInterface
 	informer          cache.SharedIndexInformer
@@ -165,6 +177,7 @@
 	toUnstructured    func(obj v1.Object) (*unstructured.Unstructured, error)
 	eventCallback     func(eventSequence NotificationEventSequence)
 	namespaceSupport  bool
+	factorySupport    bool
 }
 
 func (c *notificationController) Run(threadiness int, stopCh <-chan struct{}) {
@@ -304,15 +317,17 @@
 		}
 	}
 
-	if !c.namespaceSupport {
-		api, err := c.apiFactory.GetAPI()
+	if c.factorySupport {
+		apisWithNamespace, err := c.apiFactory.GetAPIsFromFactory(resource)
 		if err != nil {
-			logEntry.Errorf("Failed to get api: %v", err)
+			logEntry.Errorf("Failed to get api with key: %v", err)
 			eventSequence.addError(err)
-			return
 		}
-		c.processResource(api, resource, logEntry, &eventSequence)
-	} else {
+		for _, api := range apisWithNamespace {
+			c.processResource(api, resource, logEntry, &eventSequence)
+		}
+
+	} else if c.namespaceSupport {
 		apisWithNamespace, err := c.apiFactory.GetAPIsFromNamespace(resource.GetNamespace())
 		if err != nil {
 			logEntry.Errorf("Failed to get api with namespace: %v", err)
@@ -321,7 +336,16 @@
 		for _, api := range apisWithNamespace {
 			c.processResource(api, resource, logEntry, &eventSequence)
 		}
+	} else {
+		api, err := c.apiFactory.GetAPI()
+		if err != nil {
+			logEntry.Errorf("Failed to get api: %v", err)
+			eventSequence.addError(err)
+			return
+		}
+		c.processResource(api, resource, logEntry, &eventSequence)
 	}
+
 	logEntry.Info("Processing completed")
 
 	return

pkg/controller/controller_test.go

@@ -65,7 +65,7 @@ func newResource(name string, modifiers ...func(app *unstructured.Unstructured))
 	return &app
 }
 
-func newController(t *testing.T, ctx context.Context, client dynamic.Interface, opts ...Opts) (*notificationController, *mocks.MockAPI, error) {
+func newController(t *testing.T, ctx context.Context, client dynamic.Interface, factorySupport bool, opts ...Opts) (*notificationController, *mocks.MockAPI, error) {
 	mockCtrl := gomock.NewController(t)
 	go func() {
 		<-ctx.Done()
@@ -90,7 +90,12 @@ func newController(t *testing.T, ctx context.Context, client dynamic.Interface,
 
 	go informer.Run(ctx.Done())
 
-	c := NewControllerWithNamespaceSupport(resourceClient, informer, &mocks.FakeFactory{Api: mockAPI}, opts...)
+	var c *notificationController
+	if factorySupport {
+		c = NewControllerWithFactorySupport(resourceClient, informer, &mocks.FakeFactory{Api: mockAPI}, opts...)
+	} else {
+		c = NewControllerWithNamespaceSupport(resourceClient, informer, &mocks.FakeFactory{Api: mockAPI}, opts...)
+	}
 	if !cache.WaitForCacheSync(ctx.Done(), informer.HasSynced) {
 		return nil, nil, errors.New("failed to sync informers")
 	}
@@ -105,7 +110,7 @@ func TestSendsNotificationIfTriggered(t *testing.T) {
 		subscriptions.SubscribeAnnotationKey("my-trigger", "mock"): "recipient",
 	}))
 
-	ctrl, api, err := newController(t, ctx, newFakeClient(app))
+	ctrl, api, err := newController(t, ctx, newFakeClient(app), false)
 	assert.NoError(t, err)
 
 	receivedObj := map[string]interface{}{}
@@ -136,7 +141,7 @@ func TestDoesNotSendNotificationIfAnnotationPresent(t *testing.T) {
 		subscriptions.SubscribeAnnotationKey("my-trigger", "mock"): "recipient",
 		notifiedAnnotationKey: mustToJson(state),
 	}))
-	ctrl, api, err := newController(t, ctx, newFakeClient(app))
+	ctrl, api, err := newController(t, ctx, newFakeClient(app), false)
 	assert.NoError(t, err)
 
 	api.EXPECT().RunTrigger("my-trigger", gomock.Any()).Return([]triggers.ConditionResult{{Triggered: true, Templates: []string{"test"}}}, nil)
@@ -158,7 +163,7 @@ func TestRemovesAnnotationIfNoTrigger(t *testing.T) {
 		subscriptions.SubscribeAnnotationKey("my-trigger", "mock"): "recipient",
 		notifiedAnnotationKey: mustToJson(state),
 	}))
-	ctrl, api, err := newController(t, ctx, newFakeClient(app))
+	ctrl, api, err := newController(t, ctx, newFakeClient(app), false)
 	assert.NoError(t, err)
 
 	api.EXPECT().RunTrigger("my-trigger", gomock.Any()).Return([]triggers.ConditionResult{{Triggered: false}}, nil)
@@ -173,6 +178,14 @@ func TestRemovesAnnotationIfNoTrigger(t *testing.T) {
 }
 
 func TestUpdatedAnnotationsSavedAsPatch(t *testing.T) {
+	controllerRunAndVerifyResult(t, false)
+}
+
+func TestSendsNotificationUsingAPIFromFactory(t *testing.T) {
+	controllerRunAndVerifyResult(t, true)
+}
+
+func controllerRunAndVerifyResult(t *testing.T, factorySupport bool) {
 	ctx, cancel := context.WithCancel(context.TODO())
 	defer cancel()
 
@@ -191,7 +204,7 @@ func TestUpdatedAnnotationsSavedAsPatch(t *testing.T) {
 		patchCh <- action.(kubetesting.PatchAction).GetPatch()
 		return true, nil, nil
 	})
-	ctrl, api, err := newController(t, ctx, client)
+	ctrl, api, err := newController(t, ctx, client, factorySupport)
 	assert.NoError(t, err)
 	api.EXPECT().RunTrigger("my-trigger", gomock.Any()).Return([]triggers.ConditionResult{{Triggered: false}}, nil)
 
@@ -322,7 +335,7 @@ func TestWithEventCallback(t *testing.T) {
 				subscriptions.SubscribeAnnotationKey("my-trigger", "mock"): "recipient",
 			}))
 
-			ctrl, api, err := newController(t, ctx, newFakeClient(app), WithEventCallback(mockEventCallback))
+			ctrl, api, err := newController(t, ctx, newFakeClient(app), false, WithEventCallback(mockEventCallback))
 			ctrl.namespaceSupport = false
 			assert.NoError(t, err)
 			ctrl.apiFactory = &mocks.FakeFactory{Api: api, Err: tc.apiErr}

pkg/mocks/factory.go

@@ -16,3 +16,9 @@ func (f *FakeFactory) GetAPIsFromNamespace(namespace string) (map[string]api.API
 	apiMap[namespace] = f.Api
 	return apiMap, f.Err
 }
+
+func (f *FakeFactory) GetAPIsFromFactory(resource interface{}) (map[string]api.API, error) {
+	apiMap := make(map[string]api.API)
+	apiMap["key1"] = f.Api
+	return apiMap, f.Err
+}