コード例 #1
0
func TestWatchListIgnoresRootKey(t *testing.T) {
	codec := testapi.Default.Codec()
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
	key := etcdtest.AddPrefix("/some/key")
	server := etcdtesting.NewEtcdTestClientServer(t)
	defer server.Terminate(t)
	h := newEtcdHelper(server.Client, codec, key)

	watching, err := h.WatchList(context.TODO(), key, "0", storage.Everything)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	defer watching.Stop()

	// creates key/foo which should trigger the WatchList for "key"
	err = h.Create(context.TODO(), key, pod, pod, 0)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	// force context switch to ensure watches would catch and notify.
	rt.Gosched()

	select {
	case event, _ := <-watching.ResultChan():
		t.Fatalf("Unexpected event: %#v", event)
	default:
		// fall through, expected behavior
	}
}
コード例 #2
0
func TestWatchPurposefulShutdown(t *testing.T) {
	_, codec := testScheme(t)
	server := etcdtesting.NewEtcdTestClientServer(t)
	defer server.Terminate(t)
	key := "/some/key"
	h := newEtcdHelper(server.Client, codec, etcdtest.PathPrefix())

	// Test purposeful shutdown
	watching, err := h.Watch(context.TODO(), key, "0", storage.Everything)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	watching.Stop()
	rt.Gosched()

	// There is a race in etcdWatcher so that after calling Stop() one of
	// two things can happen:
	// - ResultChan() may be closed (triggered by closing userStop channel)
	// - an Error "context cancelled" may be emitted (triggered by cancelling request
	//   to etcd and putting that error to etcdError channel)
	// We need to be prepared for both here.
	event, open := <-watching.ResultChan()
	if open && event.Type != watch.Error {
		t.Errorf("Unexpected event from stopped watcher: %#v", event)
	}
}
コード例 #3
0
func TestWatchListFromZeroIndex(t *testing.T) {
	codec := testapi.Default.Codec()
	key := etcdtest.AddPrefix("/some/key")
	server := etcdtesting.NewEtcdTestClientServer(t)
	defer server.Terminate(t)
	h := newEtcdHelper(server.Client, codec, key)

	watching, err := h.WatchList(context.TODO(), key, "0", storage.Everything)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	defer watching.Stop()

	// creates key/foo which should trigger the WatchList for "key"
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
	err = h.Create(context.TODO(), pod.Name, pod, pod, 0)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	event, _ := <-watching.ResultChan()
	if event.Type != watch.Added {
		t.Errorf("Unexpected event %#v", event)
	}

	if e, a := pod, event.Object; !api.Semantic.DeepDerivative(e, a) {
		t.Errorf("Unexpected error: expected %v, got %v", e, a)
	}
}
コード例 #4
0
func TestWatchFromZeroIndex(t *testing.T) {
	codec := testapi.Default.Codec()
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}

	key := etcdtest.AddPrefix("/somekey/foo")
	server := etcdtesting.NewEtcdTestClientServer(t)
	defer server.Terminate(t)

	h := newEtcdHelper(server.Client, codec, etcdtest.PathPrefix())

	// set before the watch and verify events
	err := h.Create(context.TODO(), key, pod, pod, 0)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	pod.ResourceVersion = ""

	// check for concatenation on watch event with CAS
	updateFn := func(input runtime.Object, res storage.ResponseMeta) (runtime.Object, *uint64, error) {
		pod := input.(*api.Pod)
		pod.Name = "bar"
		return pod, nil, nil
	}
	err = h.GuaranteedUpdate(context.TODO(), key, &api.Pod{}, false, nil, updateFn)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	watching, err := h.Watch(context.TODO(), key, "0", storage.Everything)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	defer watching.Stop()

	// marked as modified b/c of concatenation
	event := <-watching.ResultChan()
	if event.Type != watch.Modified {
		t.Errorf("Unexpected event %#v", event)
	}

	pod.Name = "baz"
	updateFn = func(input runtime.Object, res storage.ResponseMeta) (runtime.Object, *uint64, error) {
		pod := input.(*api.Pod)
		pod.Name = "baz"
		return pod, nil, nil
	}
	err = h.GuaranteedUpdate(context.TODO(), key, &api.Pod{}, false, nil, updateFn)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	event = <-watching.ResultChan()
	if event.Type != watch.Modified {
		t.Errorf("Unexpected event %#v", event)
	}

	if e, a := pod, event.Object; !api.Semantic.DeepDerivative(e, a) {
		t.Errorf("Unexpected error: expected %#v, got %#v", e, a)
	}
}
コード例 #5
0
// setUp is a convience function for setting up for (most) tests.
func setUp(t *testing.T) (GenericAPIServer, *etcdtesting.EtcdTestServer, Config, *assert.Assertions) {
	etcdServer := etcdtesting.NewEtcdTestClientServer(t)

	genericapiserver := GenericAPIServer{}
	config := Config{}
	config.PublicAddress = net.ParseIP("192.168.10.4")

	return genericapiserver, etcdServer, config, assert.New(t)
}
コード例 #6
0
func TestWatchEtcdState(t *testing.T) {
	codec := testapi.Default.Codec()
	key := etcdtest.AddPrefix("/somekey/foo")
	server := etcdtesting.NewEtcdTestClientServer(t)
	defer server.Terminate(t)

	h := newEtcdHelper(server.Client, codec, etcdtest.PathPrefix())
	watching, err := h.Watch(context.TODO(), key, "0", storage.Everything)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	defer watching.Stop()

	endpoint := &api.Endpoints{
		ObjectMeta: api.ObjectMeta{Name: "foo"},
		Subsets:    emptySubsets(),
	}

	err = h.Create(context.TODO(), key, endpoint, endpoint, 0)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	event := <-watching.ResultChan()
	if event.Type != watch.Added {
		t.Errorf("Unexpected event %#v", event)
	}

	subset := makeSubsets("127.0.0.1", 9000)
	endpoint.Subsets = subset
	endpoint.ResourceVersion = ""

	// CAS the previous value
	updateFn := func(input runtime.Object, res storage.ResponseMeta) (runtime.Object, *uint64, error) {
		newObj, err := api.Scheme.DeepCopy(endpoint)
		if err != nil {
			t.Errorf("unexpected error: %v", err)
			return nil, nil, err
		}
		return newObj.(*api.Endpoints), nil, nil
	}
	err = h.GuaranteedUpdate(context.TODO(), key, &api.Endpoints{}, false, nil, updateFn)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	event = <-watching.ResultChan()
	if event.Type != watch.Modified {
		t.Errorf("Unexpected event %#v", event)
	}

	if e, a := endpoint, event.Object; !api.Semantic.DeepDerivative(e, a) {
		t.Errorf("Unexpected error: expected %#v, got %#v", e, a)
	}
}
コード例 #7
0
// setUp is a convience function for setting up for (most) tests.
func setUp(t *testing.T) (*Master, *etcdtesting.EtcdTestServer, Config, *assert.Assertions) {
	server := etcdtesting.NewEtcdTestClientServer(t)

	master := &Master{
		GenericAPIServer: &genericapiserver.GenericAPIServer{},
	}
	config := Config{
		Config: &genericapiserver.Config{},
	}

	storageConfig := storagebackend.Config{
		Prefix:   etcdtest.PathPrefix(),
		CAFile:   server.CAFile,
		KeyFile:  server.KeyFile,
		CertFile: server.CertFile,
	}
	for _, url := range server.ClientURLs {
		storageConfig.ServerList = append(storageConfig.ServerList, url.String())
	}

	resourceEncoding := genericapiserver.NewDefaultResourceEncodingConfig()
	resourceEncoding.SetVersionEncoding(api.GroupName, *testapi.Default.GroupVersion(), unversioned.GroupVersion{Group: api.GroupName, Version: runtime.APIVersionInternal})
	resourceEncoding.SetVersionEncoding(autoscaling.GroupName, *testapi.Autoscaling.GroupVersion(), unversioned.GroupVersion{Group: autoscaling.GroupName, Version: runtime.APIVersionInternal})
	resourceEncoding.SetVersionEncoding(batch.GroupName, *testapi.Batch.GroupVersion(), unversioned.GroupVersion{Group: batch.GroupName, Version: runtime.APIVersionInternal})
	resourceEncoding.SetVersionEncoding(apps.GroupName, *testapi.Apps.GroupVersion(), unversioned.GroupVersion{Group: apps.GroupName, Version: runtime.APIVersionInternal})
	resourceEncoding.SetVersionEncoding(extensions.GroupName, *testapi.Extensions.GroupVersion(), unversioned.GroupVersion{Group: extensions.GroupName, Version: runtime.APIVersionInternal})
	resourceEncoding.SetVersionEncoding(rbac.GroupName, *testapi.Rbac.GroupVersion(), unversioned.GroupVersion{Group: rbac.GroupName, Version: runtime.APIVersionInternal})
	resourceEncoding.SetVersionEncoding(certificates.GroupName, *testapi.Certificates.GroupVersion(), unversioned.GroupVersion{Group: certificates.GroupName, Version: runtime.APIVersionInternal})
	storageFactory := genericapiserver.NewDefaultStorageFactory(storageConfig, testapi.StorageMediaType(), api.Codecs, resourceEncoding, DefaultAPIResourceConfigSource())

	config.StorageFactory = storageFactory
	config.APIResourceConfigSource = DefaultAPIResourceConfigSource()
	config.PublicAddress = net.ParseIP("192.168.10.4")
	config.Serializer = api.Codecs
	config.KubeletClient = client.FakeKubeletClient{}
	config.APIPrefix = "/api"
	config.APIGroupPrefix = "/apis"
	config.APIResourceConfigSource = DefaultAPIResourceConfigSource()
	config.ProxyDialer = func(network, addr string) (net.Conn, error) { return nil, nil }
	config.ProxyTLSClientConfig = &tls.Config{}

	// TODO: this is kind of hacky.  The trouble is that the sync loop
	// runs in a go-routine and there is no way to validate in the test
	// that the sync routine has actually run.  The right answer here
	// is probably to add some sort of callback that we can register
	// to validate that it's actually been run, but for now we don't
	// run the sync routine and register types manually.
	config.disableThirdPartyControllerForTesting = true

	master.nodeRegistry = registrytest.NewNodeRegistry([]string{"node1", "node2"}, api.NodeResources{})

	return master, server, config, assert.New(t)
}
コード例 #8
0
func TestWatch(t *testing.T) {
	codec := testapi.Default.Codec()
	server := etcdtesting.NewEtcdTestClientServer(t)
	defer server.Terminate(t)
	key := "/some/key"
	h := newEtcdHelper(server.Client, codec, etcdtest.PathPrefix())

	watching, err := h.Watch(context.TODO(), key, "0", storage.Everything)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	// watching is explicitly closed below.

	// Test normal case
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
	returnObj := &api.Pod{}
	err = h.Create(context.TODO(), key, pod, returnObj, 0)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}

	event := <-watching.ResultChan()
	if e, a := watch.Added, event.Type; e != a {
		t.Errorf("Expected %v, got %v", e, a)
	}
	if e, a := pod, event.Object; !api.Semantic.DeepDerivative(e, a) {
		t.Errorf("Expected %v, got %v", e, a)
	}

	watching.Stop()

	// There is a race in etcdWatcher so that after calling Stop() one of
	// two things can happen:
	// - ResultChan() may be closed (triggered by closing userStop channel)
	// - an Error "context cancelled" may be emitted (triggered by cancelling request
	//   to etcd and putting that error to etcdError channel)
	// We need to be prepared for both here.
	event, open := <-watching.ResultChan()
	if open && event.Type != watch.Error {
		t.Errorf("Unexpected event from stopped watcher: %#v", event)
	}
}
コード例 #9
0
func NewTestGenericStoreRegistry(t *testing.T) (*etcdtesting.EtcdTestServer, *Store) {
	podPrefix := "/pods"
	server := etcdtesting.NewEtcdTestClientServer(t)
	s := etcdstorage.NewEtcdStorage(server.Client, testapi.Default.StorageCodec(), etcdtest.PathPrefix(), false, etcdtest.DeserializationCacheSize)
	strategy := &testRESTStrategy{api.Scheme, api.SimpleNameGenerator, true, false, true}

	return server, &Store{
		NewFunc:           func() runtime.Object { return &api.Pod{} },
		NewListFunc:       func() runtime.Object { return &api.PodList{} },
		QualifiedResource: api.Resource("pods"),
		CreateStrategy:    strategy,
		UpdateStrategy:    strategy,
		DeleteStrategy:    strategy,
		KeyRootFunc: func(ctx api.Context) string {
			return podPrefix
		},
		KeyFunc: func(ctx api.Context, id string) (string, error) {
			if _, ok := api.NamespaceFrom(ctx); !ok {
				return "", fmt.Errorf("namespace is required")
			}
			return path.Join(podPrefix, id), nil
		},
		ObjectNameFunc: func(obj runtime.Object) (string, error) { return obj.(*api.Pod).Name, nil },
		PredicateFunc: func(label labels.Selector, field fields.Selector) generic.Matcher {
			return &generic.SelectionPredicate{
				Label: label,
				Field: field,
				GetAttrs: func(obj runtime.Object) (labels.Set, fields.Set, error) {
					pod, ok := obj.(*api.Pod)
					if !ok {
						return nil, nil, fmt.Errorf("not a pod")
					}
					return labels.Set(pod.ObjectMeta.Labels), generic.ObjectMetaFieldsSet(pod.ObjectMeta, true), nil
				},
			}
		},
		Storage: s,
	}
}
コード例 #10
0
ファイル: etcd.go プロジェクト: ttysteale/kubernetes-api
func NewEtcdStorage(t *testing.T, group string) (storage.Interface, *etcdtesting.EtcdTestServer) {
	server := etcdtesting.NewEtcdTestClientServer(t)
	storage := etcdstorage.NewEtcdStorage(server.Client, testapi.Groups[group].StorageCodec(), etcdtest.PathPrefix(), false, etcdtest.DeserializationCacheSize)
	return storage, server
}
コード例 #11
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func newEtcdTestStorage(t *testing.T, codec runtime.Codec, prefix string) (*etcdtesting.EtcdTestServer, storage.Interface) {
	server := etcdtesting.NewEtcdTestClientServer(t)
	storage := etcdstorage.NewEtcdStorage(server.Client, codec, prefix, false, etcdtest.DeserializationCacheSize)
	return server, storage
}