Ejemplo n.º 1
0
func TestUpdatePods(t *testing.T) {
	fakeWatch := watch.NewFake()
	client := &testclient.Fake{}
	client.AddWatchReactor("*", testclient.DefaultWatchReactor(fakeWatch, nil))
	manager := NewReplicationManager(client, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady

	received := make(chan string)

	manager.syncHandler = func(key string) error {
		obj, exists, err := manager.rcStore.Store.GetByKey(key)
		if !exists || err != nil {
			t.Errorf("Expected to find controller under key %v", key)
		}
		received <- obj.(*api.ReplicationController).Name
		return nil
	}

	stopCh := make(chan struct{})
	defer close(stopCh)
	go util.Until(manager.worker, 10*time.Millisecond, stopCh)

	// Put 2 rcs and one pod into the controller's stores
	testControllerSpec1 := newReplicationController(1)
	manager.rcStore.Store.Add(testControllerSpec1)
	testControllerSpec2 := *testControllerSpec1
	testControllerSpec2.Spec.Selector = map[string]string{"bar": "foo"}
	testControllerSpec2.Name = "barfoo"
	manager.rcStore.Store.Add(&testControllerSpec2)

	// Put one pod in the podStore
	pod1 := newPodList(manager.podStore.Store, 1, api.PodRunning, testControllerSpec1).Items[0]
	pod2 := pod1
	pod2.Labels = testControllerSpec2.Spec.Selector

	// Send an update of the same pod with modified labels, and confirm we get a sync request for
	// both controllers
	manager.updatePod(&pod1, &pod2)

	expected := sets.NewString(testControllerSpec1.Name, testControllerSpec2.Name)
	for _, name := range expected.List() {
		t.Logf("Expecting update for %+v", name)
		select {
		case got := <-received:
			if !expected.Has(got) {
				t.Errorf("Expected keys %#v got %v", expected, got)
			}
		case <-time.After(util.ForeverTestTimeout):
			t.Errorf("Expected update notifications for controllers within 100ms each")
		}
	}
}
Ejemplo n.º 2
0
func TestWatchPods(t *testing.T) {
	fakeWatch := watch.NewFake()
	client := &testclient.Fake{}
	client.AddWatchReactor("*", testclient.DefaultWatchReactor(fakeWatch, nil))
	manager := NewJobController(client, controller.NoResyncPeriodFunc)

	manager.podStoreSynced = alwaysReady

	// Put one job and one pod into the store
	testJob := newJob(2, 2)
	manager.jobStore.Store.Add(testJob)
	received := make(chan string)
	// The pod update sent through the fakeWatcher should figure out the managing job and
	// send it into the syncHandler.
	manager.syncHandler = func(key string) error {

		obj, exists, err := manager.jobStore.Store.GetByKey(key)
		if !exists || err != nil {
			t.Errorf("Expected to find job under key %v", key)
		}
		job := obj.(*extensions.Job)
		if !api.Semantic.DeepDerivative(job, testJob) {
			t.Errorf("\nExpected %#v,\nbut got %#v", testJob, job)
		}
		close(received)
		return nil
	}
	// Start only the pod watcher and the workqueue, send a watch event,
	// and make sure it hits the sync method for the right job.
	stopCh := make(chan struct{})
	defer close(stopCh)
	go manager.podController.Run(stopCh)
	go util.Until(manager.worker, 10*time.Millisecond, stopCh)

	pods := newPodList(1, api.PodRunning, testJob)
	testPod := pods[0]
	testPod.Status.Phase = api.PodFailed
	fakeWatch.Add(&testPod)

	select {
	case <-received:
	case <-time.After(controllerTimeout):
		t.Errorf("Expected 1 call but got 0")
	}
}
Ejemplo n.º 3
0
func TestWatchControllers(t *testing.T) {
	fakeWatch := watch.NewFake()
	client := &testclient.Fake{}
	client.AddWatchReactor("*", testclient.DefaultWatchReactor(fakeWatch, nil))
	manager := NewReplicationManager(client, controller.NoResyncPeriodFunc, BurstReplicas)
	manager.podStoreSynced = alwaysReady

	var testControllerSpec api.ReplicationController
	received := make(chan string)

	// The update sent through the fakeWatcher should make its way into the workqueue,
	// and eventually into the syncHandler. The handler validates the received controller
	// and closes the received channel to indicate that the test can finish.
	manager.syncHandler = func(key string) error {

		obj, exists, err := manager.rcStore.Store.GetByKey(key)
		if !exists || err != nil {
			t.Errorf("Expected to find controller under key %v", key)
		}
		controllerSpec := *obj.(*api.ReplicationController)
		if !api.Semantic.DeepDerivative(controllerSpec, testControllerSpec) {
			t.Errorf("Expected %#v, but got %#v", testControllerSpec, controllerSpec)
		}
		close(received)
		return nil
	}
	// Start only the rc watcher and the workqueue, send a watch event,
	// and make sure it hits the sync method.
	stopCh := make(chan struct{})
	defer close(stopCh)
	go manager.rcController.Run(stopCh)
	go util.Until(manager.worker, 10*time.Millisecond, stopCh)

	testControllerSpec.Name = "foo"
	fakeWatch.Add(&testControllerSpec)

	select {
	case <-received:
	case <-time.After(util.ForeverTestTimeout):
		t.Errorf("Expected 1 call but got 0")
	}
}
Ejemplo n.º 4
0
// TestAdmission
func TestAdmission(t *testing.T) {
	namespaceObj := &api.Namespace{
		ObjectMeta: api.ObjectMeta{
			Name:      "test",
			Namespace: "",
		},
		Status: api.NamespaceStatus{
			Phase: api.NamespaceActive,
		},
	}
	var namespaceLock sync.RWMutex

	store := cache.NewStore(cache.MetaNamespaceKeyFunc)
	store.Add(namespaceObj)
	fakeWatch := watch.NewFake()
	mockClient := &testclient.Fake{}
	mockClient.AddWatchReactor("*", testclient.DefaultWatchReactor(fakeWatch, nil))
	mockClient.AddReactor("get", "namespaces", func(action testclient.Action) (bool, runtime.Object, error) {
		namespaceLock.RLock()
		defer namespaceLock.RUnlock()
		if getAction, ok := action.(testclient.GetAction); ok && getAction.GetName() == namespaceObj.Name {
			return true, namespaceObj, nil
		}
		return true, nil, fmt.Errorf("No result for action %v", action)
	})
	mockClient.AddReactor("list", "namespaces", func(action testclient.Action) (bool, runtime.Object, error) {
		namespaceLock.RLock()
		defer namespaceLock.RUnlock()
		return true, &api.NamespaceList{Items: []api.Namespace{*namespaceObj}}, nil
	})

	lfhandler := NewLifecycle(mockClient).(*lifecycle)
	lfhandler.store = store
	handler := admission.NewChainHandler(lfhandler)
	pod := api.Pod{
		ObjectMeta: api.ObjectMeta{Name: "123", Namespace: namespaceObj.Name},
		Spec: api.PodSpec{
			Volumes:    []api.Volume{{Name: "vol"}},
			Containers: []api.Container{{Name: "ctr", Image: "image"}},
		},
	}
	badPod := api.Pod{
		ObjectMeta: api.ObjectMeta{Name: "456", Namespace: "doesnotexist"},
		Spec: api.PodSpec{
			Volumes:    []api.Volume{{Name: "vol"}},
			Containers: []api.Container{{Name: "ctr", Image: "image"}},
		},
	}
	err := handler.Admit(admission.NewAttributesRecord(&pod, "Pod", pod.Namespace, pod.Name, "pods", "", admission.Create, nil))
	if err != nil {
		t.Errorf("Unexpected error returned from admission handler: %v", err)
	}

	// change namespace state to terminating
	namespaceLock.Lock()
	namespaceObj.Status.Phase = api.NamespaceTerminating
	namespaceLock.Unlock()
	store.Add(namespaceObj)

	// verify create operations in the namespace cause an error
	err = handler.Admit(admission.NewAttributesRecord(&pod, "Pod", pod.Namespace, pod.Name, "pods", "", admission.Create, nil))
	if err == nil {
		t.Errorf("Expected error rejecting creates in a namespace when it is terminating")
	}

	// verify update operations in the namespace can proceed
	err = handler.Admit(admission.NewAttributesRecord(&pod, "Pod", pod.Namespace, pod.Name, "pods", "", admission.Update, nil))
	if err != nil {
		t.Errorf("Unexpected error returned from admission handler: %v", err)
	}

	// verify delete operations in the namespace can proceed
	err = handler.Admit(admission.NewAttributesRecord(nil, "Pod", pod.Namespace, pod.Name, "pods", "", admission.Delete, nil))
	if err != nil {
		t.Errorf("Unexpected error returned from admission handler: %v", err)
	}

	// verify delete of namespace default can never proceed
	err = handler.Admit(admission.NewAttributesRecord(nil, "Namespace", "", api.NamespaceDefault, "namespaces", "", admission.Delete, nil))
	if err == nil {
		t.Errorf("Expected an error that this namespace can never be deleted")
	}

	// verify delete of namespace other than default can proceed
	err = handler.Admit(admission.NewAttributesRecord(nil, "Namespace", "", "other", "namespaces", "", admission.Delete, nil))
	if err != nil {
		t.Errorf("Did not expect an error %v", err)
	}

	// verify create/update/delete of object in non-existant namespace throws error
	err = handler.Admit(admission.NewAttributesRecord(&badPod, "Pod", badPod.Namespace, badPod.Name, "pods", "", admission.Create, nil))
	if err == nil {
		t.Errorf("Expected an aerror that objects cannot be created in non-existant namespaces", err)
	}

	err = handler.Admit(admission.NewAttributesRecord(&badPod, "Pod", badPod.Namespace, badPod.Name, "pods", "", admission.Update, nil))
	if err == nil {
		t.Errorf("Expected an aerror that objects cannot be updated in non-existant namespaces", err)
	}

	err = handler.Admit(admission.NewAttributesRecord(&badPod, "Pod", badPod.Namespace, badPod.Name, "pods", "", admission.Delete, nil))
	if err == nil {
		t.Errorf("Expected an aerror that objects cannot be deleted in non-existant namespaces", err)
	}
}
Ejemplo n.º 5
0
func TestWatchJobs(t *testing.T) {
	fakeWatch := watch.NewFake()
	client := &testclient.Fake{}
	client.AddWatchReactor("*", testclient.DefaultWatchReactor(fakeWatch, nil))
	manager := NewJobController(client, controller.NoResyncPeriodFunc)
	manager.podStoreSynced = alwaysReady

	var testJob extensions.Job
	received := make(chan string)

	// The update sent through the fakeWatcher should make its way into the workqueue,
	// and eventually into the syncHandler.
	manager.syncHandler = func(key string) error {

		obj, exists, err := manager.jobStore.Store.GetByKey(key)
		if !exists || err != nil {
			t.Errorf("Expected to find job under key %v", key)
		}
		job := *obj.(*extensions.Job)
		if !api.Semantic.DeepDerivative(job, testJob) {
			t.Errorf("Expected %#v, but got %#v", testJob, job)
		}
		received <- key
		return nil
	}
	// Start only the job watcher and the workqueue, send a watch event,
	// and make sure it hits the sync method.
	stopCh := make(chan struct{})
	defer close(stopCh)
	go manager.jobController.Run(stopCh)
	go util.Until(manager.worker, 10*time.Millisecond, stopCh)

	// We're sending new job to see if it reaches syncHandler.
	testJob.Name = "foo"
	fakeWatch.Add(&testJob)
	select {
	case <-received:
	case <-time.After(controllerTimeout):
		t.Errorf("Expected 1 call but got 0")
	}

	// We're sending fake finished job, to see if it reaches syncHandler - it should not,
	// since we're filtering out finished jobs.
	testJobv2 := extensions.Job{
		ObjectMeta: api.ObjectMeta{Name: "foo"},
		Status: extensions.JobStatus{
			Conditions: []extensions.JobCondition{{
				Type:               extensions.JobComplete,
				Status:             api.ConditionTrue,
				LastProbeTime:      unversioned.Now(),
				LastTransitionTime: unversioned.Now(),
			}},
		},
	}
	fakeWatch.Modify(&testJobv2)

	select {
	case <-received:
		t.Errorf("Expected 0 call but got 1")
	case <-time.After(controllerTimeout):
	}
}