func annotateRuntimeObject(t *testing.T, originalObj, currentObj runtime.Object, kind string) (string, []byte) {
originalAccessor, err := meta.Accessor(originalObj)
if err != nil {
t.Fatal(err)
}
originalLabels := originalAccessor.GetLabels()
originalLabels["DELETE_ME"] = "DELETE_ME"
originalAccessor.SetLabels(originalLabels)
original, err := json.Marshal(originalObj)
if err != nil {
t.Fatal(err)
}
currentAccessor, err := meta.Accessor(currentObj)
if err != nil {
t.Fatal(err)
}
currentAnnotations := currentAccessor.GetAnnotations()
if currentAnnotations == nil {
currentAnnotations = make(map[string]string)
}
currentAnnotations[annotations.LastAppliedConfigAnnotation] = string(original)
currentAccessor.SetAnnotations(currentAnnotations)
current, err := json.Marshal(currentObj)
if err != nil {
t.Fatal(err)
}
return currentAccessor.GetName(), current
}
func TestNoOpUpdates(t *testing.T) {
server, registry := NewTestGenericStoreRegistry(t)
defer server.Terminate(t)
newPod := func() *api.Pod {
return &api.Pod{
ObjectMeta: api.ObjectMeta{
Namespace: api.NamespaceDefault,
Name: "foo",
Labels: map[string]string{"prepare_create": "true"},
},
Spec: api.PodSpec{NodeName: "machine"},
}
}
var err error
var createResult runtime.Object
if createResult, err = registry.Create(api.NewDefaultContext(), newPod()); err != nil {
t.Fatalf("Unexpected error: %v", err)
}
createdPod, err := registry.Get(api.NewDefaultContext(), "foo")
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
var updateResult runtime.Object
p := newPod()
if updateResult, _, err = registry.Update(api.NewDefaultContext(), p.Name, rest.DefaultUpdatedObjectInfo(p, api.Scheme)); err != nil {
t.Fatalf("Unexpected error: %v", err)
}
// Check whether we do not return empty result on no-op update.
if !reflect.DeepEqual(createResult, updateResult) {
t.Errorf("no-op update should return a correct value, got: %#v", updateResult)
}
updatedPod, err := registry.Get(api.NewDefaultContext(), "foo")
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
createdMeta, err := meta.Accessor(createdPod)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
updatedMeta, err := meta.Accessor(updatedPod)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
if createdMeta.GetResourceVersion() != updatedMeta.GetResourceVersion() {
t.Errorf("no-op update should be ignored and not written to etcd")
}
}
// storeObjectUpdate updates given cache with a new object version from Informer
// callback (i.e. with events from etcd) or with an object modified by the
// controller itself. Returns "true", if the cache was updated, false if the
// object is an old version and should be ignored.
func storeObjectUpdate(store cache.Store, obj interface{}, className string) (bool, error) {
objAccessor, err := meta.Accessor(obj)
if err != nil {
return false, fmt.Errorf("Error reading cache of %s: %v", className, err)
}
objName := objAccessor.GetNamespace() + "/" + objAccessor.GetName()
oldObj, found, err := store.Get(obj)
if err != nil {
return false, fmt.Errorf("Error finding %s %q in controller cache: %v", className, objName, err)
}
if !found {
// This is a new object
glog.V(4).Infof("storeObjectUpdate: adding %s %q, version %s", className, objName, objAccessor.GetResourceVersion())
if err = store.Add(obj); err != nil {
return false, fmt.Errorf("Error adding %s %q to controller cache: %v", className, objName, err)
}
return true, nil
}
oldObjAccessor, err := meta.Accessor(oldObj)
if err != nil {
return false, err
}
objResourceVersion, err := strconv.ParseInt(objAccessor.GetResourceVersion(), 10, 64)
if err != nil {
return false, fmt.Errorf("Error parsing ResourceVersion %q of %s %q: %s", objAccessor.GetResourceVersion(), className, objName, err)
}
oldObjResourceVersion, err := strconv.ParseInt(oldObjAccessor.GetResourceVersion(), 10, 64)
if err != nil {
return false, fmt.Errorf("Error parsing old ResourceVersion %q of %s %q: %s", oldObjAccessor.GetResourceVersion(), className, objName, err)
}
// Throw away only older version, let the same version pass - we do want to
// get periodic sync events.
if oldObjResourceVersion > objResourceVersion {
glog.V(4).Infof("storeObjectUpdate: ignoring %s %q version %s", className, objName, objAccessor.GetResourceVersion())
return false, nil
}
glog.V(4).Infof("storeObjectUpdate updating %s %q with version %s", className, objName, objAccessor.GetResourceVersion())
if err = store.Update(obj); err != nil {
return false, fmt.Errorf("Error updating %s %q in controller cache: %v", className, objName, err)
}
return true, nil
}
// BenchmarkAccessorSetReflection provides a baseline for accessor performance
func BenchmarkAccessorSetReflection(b *testing.B) {
obj := &InternalObject{
InternalTypeMeta{
Namespace: "bar",
Name: "foo",
GenerateName: "prefix",
UID: "uid",
APIVersion: "a",
Kind: "b",
ResourceVersion: "1",
SelfLink: "some/place/only/we/know",
Labels: map[string]string{"foo": "bar"},
Annotations: map[string]string{"x": "y"},
},
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
acc, err := meta.Accessor(obj)
if err != nil {
b.Fatal(err)
}
acc.SetNamespace("something")
}
b.StopTimer()
}
// getChangeCause returns the change-cause annotation of the input object
func getChangeCause(obj runtime.Object) string {
accessor, err := meta.Accessor(obj)
if err != nil {
return ""
}
return accessor.GetAnnotations()[ChangeCauseAnnotation]
}
func (r RealPodControl) createPods(nodeName, namespace string, template *api.PodTemplateSpec, object runtime.Object) error {
pod, err := GetPodFromTemplate(template, object)
if err != nil {
return err
}
if len(nodeName) != 0 {
pod.Spec.NodeName = nodeName
}
if labels.Set(pod.Labels).AsSelector().Empty() {
return fmt.Errorf("unable to create pods, no labels")
}
if newPod, err := r.KubeClient.Core().Pods(namespace).Create(pod); err != nil {
r.Recorder.Eventf(object, api.EventTypeWarning, "FailedCreate", "Error creating: %v", err)
return fmt.Errorf("unable to create pods: %v", err)
} else {
accessor, err := meta.Accessor(object)
if err != nil {
glog.Errorf("parentObject does not have ObjectMeta, %v", err)
return nil
}
glog.V(4).Infof("Controller %v created pod %v", accessor.GetName(), newPod.Name)
r.Recorder.Eventf(object, api.EventTypeNormal, "SuccessfulCreate", "Created pod: %v", newPod.Name)
}
return nil
}
// UsageStats calculates latest observed usage stats for all objects
func (g *GenericEvaluator) UsageStats(options quota.UsageStatsOptions) (quota.UsageStats, error) {
// default each tracked resource to zero
result := quota.UsageStats{Used: api.ResourceList{}}
for _, resourceName := range g.MatchedResourceNames {
result.Used[resourceName] = resource.MustParse("0")
}
list, err := g.ListFuncByNamespace(options.Namespace, api.ListOptions{})
if err != nil {
return result, fmt.Errorf("%s: Failed to list %v: %v", g.Name, g.GroupKind(), err)
}
_, err = meta.Accessor(list)
if err != nil {
return result, fmt.Errorf("%s: Unable to understand list result %#v", g.Name, list)
}
items, err := meta.ExtractList(list)
if err != nil {
return result, fmt.Errorf("%s: Unable to understand list result %#v (%v)", g.Name, list, err)
}
for _, item := range items {
// need to verify that the item matches the set of scopes
matchesScopes := true
for _, scope := range options.Scopes {
if !g.MatchesScope(scope, item) {
matchesScopes = false
}
}
// only count usage if there was a match
if matchesScopes {
result.Used = quota.Add(result.Used, g.Usage(item))
}
}
return result, nil
}
// nameIndexFunc is an index function that indexes based on an object's name
func nameIndexFunc(obj interface{}) ([]string, error) {
meta, err := meta.Accessor(obj)
if err != nil {
return []string{""}, fmt.Errorf("object has no meta: %v", err)
}
return []string{meta.GetName()}, nil
}
// watchHandler watches w and keeps *resourceVersion up to date.
func (r *Reflector) watchHandler(w watch.Interface, resourceVersion *string, errc chan error, stopCh <-chan struct{}) error {
start := time.Now()
eventCount := 0
// Stopping the watcher should be idempotent and if we return from this function there's no way
// we're coming back in with the same watch interface.
defer w.Stop()
loop:
for {
select {
case <-stopCh:
return errorStopRequested
case err := <-errc:
return err
case event, ok := <-w.ResultChan():
if !ok {
break loop
}
if event.Type == watch.Error {
return apierrs.FromObject(event.Object)
}
if e, a := r.expectedType, reflect.TypeOf(event.Object); e != nil && e != a {
utilruntime.HandleError(fmt.Errorf("%s: expected type %v, but watch event object had type %v", r.name, e, a))
continue
}
meta, err := meta.Accessor(event.Object)
if err != nil {
utilruntime.HandleError(fmt.Errorf("%s: unable to understand watch event %#v", r.name, event))
continue
}
newResourceVersion := meta.GetResourceVersion()
switch event.Type {
case watch.Added:
r.store.Add(event.Object)
case watch.Modified:
r.store.Update(event.Object)
case watch.Deleted:
// TODO: Will any consumers need access to the "last known
// state", which is passed in event.Object? If so, may need
// to change this.
r.store.Delete(event.Object)
default:
utilruntime.HandleError(fmt.Errorf("%s: unable to understand watch event %#v", r.name, event))
}
*resourceVersion = newResourceVersion
r.setLastSyncResourceVersion(newResourceVersion)
eventCount++
}
}
watchDuration := time.Now().Sub(start)
if watchDuration < 1*time.Second && eventCount == 0 {
glog.V(4).Infof("%s: Unexpected watch close - watch lasted less than a second and no items received", r.name)
return errors.New("very short watch")
}
glog.V(4).Infof("%s: Watch close - %v total %v items received", r.name, r.expectedType, eventCount)
return nil
}
func NoNamespaceKeyFunc(prefix string, obj runtime.Object) (string, error) {
meta, err := meta.Accessor(obj)
if err != nil {
return "", err
}
name := meta.GetName()
if msgs := validation.IsValidPathSegmentName(name); len(msgs) != 0 {
return "", fmt.Errorf("invalid name: %v", msgs)
}
return prefix + "/" + name, nil
}
// ObjectReplenenishmentDeleteFunc will replenish on every delete
func ObjectReplenishmentDeleteFunc(options *ReplenishmentControllerOptions) func(obj interface{}) {
return func(obj interface{}) {
metaObject, err := meta.Accessor(obj)
if err != nil {
tombstone, ok := obj.(cache.DeletedFinalStateUnknown)
if !ok {
glog.Errorf("replenishment controller could not get object from tombstone %+v, could take up to %v before quota is replenished", obj, options.ResyncPeriod())
utilruntime.HandleError(err)
return
}
metaObject, err = meta.Accessor(tombstone.Obj)
if err != nil {
glog.Errorf("replenishment controller tombstone contained object that is not a meta %+v, could take up to %v before quota is replenished", tombstone.Obj, options.ResyncPeriod())
utilruntime.HandleError(err)
return
}
}
options.ReplenishmentFunc(options.GroupKind, metaObject.GetNamespace(), nil)
}
}
func (t *Tester) createObject(ctx api.Context, obj runtime.Object) error {
accessor, err := meta.Accessor(obj)
if err != nil {
return err
}
key, err := t.storage.KeyFunc(ctx, accessor.GetName())
if err != nil {
return err
}
return t.storage.Storage.Create(ctx, key, obj, nil, 0)
}
func testGetOwnerReferences(t *testing.T) {
obj, expected := getObjectMetaAndOwnerRefereneces()
accessor, err := meta.Accessor(&obj)
if err != nil {
t.Error(err)
}
references := accessor.GetOwnerReferences()
if !reflect.DeepEqual(references, expected) {
t.Errorf("expect %#v\n got %#v", expected, references)
}
}
func (t *testRESTStrategy) PrepareForCreate(obj runtime.Object) {
metaObj, err := meta.Accessor(obj)
if err != nil {
panic(err.Error())
}
labels := metaObj.GetLabels()
if labels == nil {
labels = map[string]string{}
}
labels["prepare_create"] = "true"
metaObj.SetLabels(labels)
}
func (t *Tester) getObject(ctx api.Context, obj runtime.Object) (runtime.Object, error) {
accessor, err := meta.Accessor(obj)
if err != nil {
return nil, err
}
result, err := t.storage.Get(ctx, accessor.GetName())
if err != nil {
return nil, err
}
return result, nil
}
func testSetOwnerReferences(t *testing.T) {
expected, references := getObjectMetaAndOwnerRefereneces()
obj := MyAPIObject2{}
accessor, err := meta.Accessor(&obj)
if err != nil {
t.Error(err)
}
accessor.SetOwnerReferences(references)
if e, a := expected.ObjectMeta.OwnerReferences, obj.ObjectMeta.OwnerReferences; !reflect.DeepEqual(e, a) {
t.Errorf("expect %#v\n got %#v", e, a)
}
}
func TestFiltering(t *testing.T) {
server, etcdStorage := newEtcdTestStorage(t, testapi.Default.Codec(), etcdtest.PathPrefix())
defer server.Terminate(t)
cacher := newTestCacher(etcdStorage)
defer cacher.Stop()
// Ensure that the cacher is initialized, before creating any pods,
// so that we are sure that all events will be present in cacher.
syncWatcher, err := cacher.Watch(context.TODO(), "pods/ns/foo", "0", storage.Everything)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
syncWatcher.Stop()
podFoo := makeTestPod("foo")
podFoo.Labels = map[string]string{"filter": "foo"}
podFooFiltered := makeTestPod("foo")
podFooPrime := makeTestPod("foo")
podFooPrime.Labels = map[string]string{"filter": "foo"}
podFooPrime.Spec.NodeName = "fakeNode"
fooCreated := updatePod(t, etcdStorage, podFoo, nil)
fooFiltered := updatePod(t, etcdStorage, podFooFiltered, fooCreated)
fooUnfiltered := updatePod(t, etcdStorage, podFoo, fooFiltered)
_ = updatePod(t, etcdStorage, podFooPrime, fooUnfiltered)
deleted := api.Pod{}
if err := etcdStorage.Delete(context.TODO(), etcdtest.AddPrefix("pods/ns/foo"), &deleted, nil); err != nil {
t.Errorf("Unexpected error: %v", err)
}
// Set up Watch for object "podFoo" with label filter set.
selector := labels.SelectorFromSet(labels.Set{"filter": "foo"})
filter := func(obj runtime.Object) bool {
metadata, err := meta.Accessor(obj)
if err != nil {
t.Errorf("Unexpected error: %v", err)
return false
}
return selector.Matches(labels.Set(metadata.GetLabels()))
}
watcher, err := cacher.Watch(context.TODO(), "pods/ns/foo", fooCreated.ResourceVersion, filter)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
defer watcher.Stop()
verifyWatchEvent(t, watcher, watch.Deleted, podFooFiltered)
verifyWatchEvent(t, watcher, watch.Added, podFoo)
verifyWatchEvent(t, watcher, watch.Modified, podFooPrime)
verifyWatchEvent(t, watcher, watch.Deleted, podFooPrime)
}
// MetaNamespaceKeyFunc is a convenient default KeyFunc which knows how to make
// keys for API objects which implement meta.Interface.
// The key uses the format <namespace>/<name> unless <namespace> is empty, then
// it's just <name>.
//
// TODO: replace key-as-string with a key-as-struct so that this
// packing/unpacking won't be necessary.
func MetaNamespaceKeyFunc(obj interface{}) (string, error) {
if key, ok := obj.(ExplicitKey); ok {
return string(key), nil
}
meta, err := meta.Accessor(obj)
if err != nil {
return "", fmt.Errorf("object has no meta: %v", err)
}
if len(meta.GetNamespace()) > 0 {
return meta.GetNamespace() + "/" + meta.GetName(), nil
}
return meta.GetName(), nil
}
func hasUID(obj runtime.Object) (bool, error) {
if obj == nil {
return false, nil
}
accessor, err := meta.Accessor(obj)
if err != nil {
return false, errors.NewInternalError(err)
}
if len(accessor.GetUID()) == 0 {
return false, nil
}
return true, nil
}
func (r RealPodControl) DeletePod(namespace string, podID string, object runtime.Object) error {
accessor, err := meta.Accessor(object)
if err != nil {
return fmt.Errorf("object does not have ObjectMeta, %v", err)
}
if err := r.KubeClient.Core().Pods(namespace).Delete(podID, nil); err != nil {
r.Recorder.Eventf(object, api.EventTypeWarning, "FailedDelete", "Error deleting: %v", err)
return fmt.Errorf("unable to delete pods: %v", err)
} else {
glog.V(4).Infof("Controller %v deleted pod %v", accessor.GetName(), podID)
r.Recorder.Eventf(object, api.EventTypeNormal, "SuccessfulDelete", "Deleted pod: %v", podID)
}
return nil
}
func objectToVersionedRuntimeObject(obj interface{}) (runtime.Object, uint64, error) {
object, ok := obj.(runtime.Object)
if !ok {
return nil, 0, fmt.Errorf("obj does not implement runtime.Object interface: %v", obj)
}
meta, err := meta.Accessor(object)
if err != nil {
return nil, 0, err
}
resourceVersion, err := parseResourceVersion(meta.GetResourceVersion())
if err != nil {
return nil, 0, err
}
return object, resourceVersion, nil
}
//CreateObjList will create a list from the array of objects
func CreateObjList(prefix string, helper storage.Interface, items []runtime.Object) error {
for i := range items {
obj := items[i]
meta, err := meta.Accessor(obj)
if err != nil {
return err
}
err = CreateObj(helper, path.Join(prefix, meta.GetName()), obj, obj, 0)
if err != nil {
return err
}
items[i] = obj
}
return nil
}
// Preconditions satisfies the UpdatedObjectInfo interface.
func (i *defaultUpdatedObjectInfo) Preconditions() *api.Preconditions {
// Attempt to get the UID out of the object
accessor, err := meta.Accessor(i.obj)
if err != nil {
// If no UID can be read, no preconditions are possible
return nil
}
// If empty, no preconditions needed
uid := accessor.GetUID()
if len(uid) == 0 {
return nil
}
return &api.Preconditions{UID: &uid}
}
func (t *Tester) emitObject(obj runtime.Object, action string) error {
ctx := t.tester.TestContext()
var err error
switch action {
case etcdstorage.EtcdCreate:
err = t.createObject(ctx, obj)
case etcdstorage.EtcdDelete:
accessor, err := meta.Accessor(obj)
if err != nil {
return err
}
_, err = t.storage.Delete(ctx, accessor.GetName(), nil)
default:
err = fmt.Errorf("unexpected action: %v", action)
}
return err
}
func extractResourceName(a Attributes) (name string, resource unversioned.GroupResource, err error) {
name = "Unknown"
resource = a.GetResource().GroupResource()
obj := a.GetObject()
if obj != nil {
accessor, err := meta.Accessor(obj)
if err != nil {
return "", unversioned.GroupResource{}, err
}
// this is necessary because name object name generation has not occurred yet
if len(accessor.GetName()) > 0 {
name = accessor.GetName()
} else if len(accessor.GetGenerateName()) > 0 {
name = accessor.GetGenerateName()
}
}
return name, resource, nil
}
func GetPodFromTemplate(template *api.PodTemplateSpec, parentObject runtime.Object) (*api.Pod, error) {
desiredLabels := getPodsLabelSet(template)
desiredAnnotations, err := getPodsAnnotationSet(template, parentObject)
if err != nil {
return nil, err
}
accessor, err := meta.Accessor(parentObject)
if err != nil {
return nil, fmt.Errorf("parentObject does not have ObjectMeta, %v", err)
}
prefix := getPodsPrefix(accessor.GetName())
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
Labels: desiredLabels,
Annotations: desiredAnnotations,
GenerateName: prefix,
},
}
if err := api.Scheme.Convert(&template.Spec, &pod.Spec); err != nil {
return nil, fmt.Errorf("unable to convert pod template: %v", err)
}
return pod, nil
}
// GetModifiedConfiguration retrieves the modified configuration of the object.
// If annotate is true, it embeds the result as an anotation in the modified
// configuration. If an object was read from the command input, it will use that
// version of the object. Otherwise, it will use the version from the server.
func GetModifiedConfiguration(info *resource.Info, annotate bool, codec runtime.Encoder) ([]byte, error) {
// First serialize the object without the annotation to prevent recursion,
// then add that serialization to it as the annotation and serialize it again.
var modified []byte
if info.VersionedObject != nil {
// If an object was read from input, use that version.
accessor, err := meta.Accessor(info.VersionedObject)
if err != nil {
return nil, err
}
// Get the current annotations from the object.
annots := accessor.GetAnnotations()
if annots == nil {
annots = map[string]string{}
}
original := annots[annotations.LastAppliedConfigAnnotation]
delete(annots, annotations.LastAppliedConfigAnnotation)
accessor.SetAnnotations(annots)
// TODO: this needs to be abstracted - there should be no assumption that versioned object
// can be marshalled to JSON.
modified, err = json.Marshal(info.VersionedObject)
if err != nil {
return nil, err
}
if annotate {
annots[annotations.LastAppliedConfigAnnotation] = string(modified)
accessor.SetAnnotations(annots)
// TODO: this needs to be abstracted - there should be no assumption that versioned object
// can be marshalled to JSON.
modified, err = json.Marshal(info.VersionedObject)
if err != nil {
return nil, err
}
}
// Restore the object to its original condition.
annots[annotations.LastAppliedConfigAnnotation] = original
accessor.SetAnnotations(annots)
} else {
// Otherwise, use the server side version of the object.
accessor := info.Mapping.MetadataAccessor
// Get the current annotations from the object.
annots, err := accessor.Annotations(info.Object)
if err != nil {
return nil, err
}
if annots == nil {
annots = map[string]string{}
}
original := annots[annotations.LastAppliedConfigAnnotation]
delete(annots, annotations.LastAppliedConfigAnnotation)
if err := accessor.SetAnnotations(info.Object, annots); err != nil {
return nil, err
}
modified, err = runtime.Encode(codec, info.Object)
if err != nil {
return nil, err
}
if annotate {
annots[annotations.LastAppliedConfigAnnotation] = string(modified)
if err := info.Mapping.MetadataAccessor.SetAnnotations(info.Object, annots); err != nil {
return nil, err
}
modified, err = runtime.Encode(codec, info.Object)
if err != nil {
return nil, err
}
}
// Restore the object to its original condition.
annots[annotations.LastAppliedConfigAnnotation] = original
if err := info.Mapping.MetadataAccessor.SetAnnotations(info.Object, annots); err != nil {
return nil, err
}
}
return modified, nil
}
func TestAPIObjectMeta(t *testing.T) {
j := &api.Pod{
TypeMeta: unversioned.TypeMeta{APIVersion: "/a", Kind: "b"},
ObjectMeta: api.ObjectMeta{
Namespace: "bar",
Name: "foo",
GenerateName: "prefix",
UID: "uid",
ResourceVersion: "1",
SelfLink: "some/place/only/we/know",
Labels: map[string]string{"foo": "bar"},
Annotations: map[string]string{"x": "y"},
Finalizers: []string{
"finalizer.1",
"finalizer.2",
},
},
}
var _ meta.Object = &j.ObjectMeta
var _ meta.ObjectMetaAccessor = j
accessor, err := meta.Accessor(j)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if accessor != meta.Object(&j.ObjectMeta) {
t.Fatalf("should have returned the same pointer: %#v %#v", accessor, j)
}
if e, a := "bar", accessor.GetNamespace(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "foo", accessor.GetName(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "prefix", accessor.GetGenerateName(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "uid", string(accessor.GetUID()); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "1", accessor.GetResourceVersion(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "some/place/only/we/know", accessor.GetSelfLink(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := []string{"finalizer.1", "finalizer.2"}, accessor.GetFinalizers(); !reflect.DeepEqual(e, a) {
t.Errorf("expected %v, got %v", e, a)
}
typeAccessor, err := meta.TypeAccessor(j)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if e, a := "a", typeAccessor.GetAPIVersion(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "b", typeAccessor.GetKind(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
accessor.SetNamespace("baz")
accessor.SetName("bar")
accessor.SetGenerateName("generate")
accessor.SetUID("other")
typeAccessor.SetAPIVersion("c")
typeAccessor.SetKind("d")
accessor.SetResourceVersion("2")
accessor.SetSelfLink("google.com")
accessor.SetFinalizers([]string{"finalizer.3"})
// Prove that accessor changes the original object.
if e, a := "baz", j.Namespace; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "bar", j.Name; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "generate", j.GenerateName; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := types.UID("other"), j.UID; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "c", j.APIVersion; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "d", j.Kind; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "2", j.ResourceVersion; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "google.com", j.SelfLink; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := []string{"finalizer.3"}, j.Finalizers; !reflect.DeepEqual(e, a) {
t.Errorf("expected %v, got %v", e, a)
}
typeAccessor.SetAPIVersion("d")
typeAccessor.SetKind("e")
if e, a := "d", j.APIVersion; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "e", j.Kind; e != a {
t.Errorf("expected %v, got %v", e, a)
}
}
func TestGenericObjectMeta(t *testing.T) {
type TypeMeta struct {
Kind string `json:"kind,omitempty"`
APIVersion string `json:"apiVersion,omitempty"`
}
type ObjectMeta struct {
Namespace string `json:"namespace,omitempty"`
Name string `json:"name,omitempty"`
GenerateName string `json:"generateName,omitempty"`
UID string `json:"uid,omitempty"`
CreationTimestamp unversioned.Time `json:"creationTimestamp,omitempty"`
SelfLink string `json:"selfLink,omitempty"`
ResourceVersion string `json:"resourceVersion,omitempty"`
Labels map[string]string `json:"labels,omitempty"`
Annotations map[string]string `json:"annotations,omitempty"`
Finalizers []string `json:"finalizers,omitempty"`
OwnerReferences []api.OwnerReference `json:"ownerReferences,omitempty"`
}
type Object struct {
TypeMeta `json:",inline"`
ObjectMeta `json:"metadata"`
}
j := Object{
TypeMeta{
APIVersion: "a",
Kind: "b",
},
ObjectMeta{
Namespace: "bar",
Name: "foo",
GenerateName: "prefix",
UID: "uid",
ResourceVersion: "1",
SelfLink: "some/place/only/we/know",
Labels: map[string]string{"foo": "bar"},
Annotations: map[string]string{"a": "b"},
Finalizers: []string{
"finalizer.1",
"finalizer.2",
},
},
}
accessor, err := meta.Accessor(&j)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if e, a := "bar", accessor.GetNamespace(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "foo", accessor.GetName(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "prefix", accessor.GetGenerateName(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "uid", string(accessor.GetUID()); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "1", accessor.GetResourceVersion(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "some/place/only/we/know", accessor.GetSelfLink(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := 1, len(accessor.GetLabels()); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := 1, len(accessor.GetAnnotations()); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := []string{"finalizer.1", "finalizer.2"}, accessor.GetFinalizers(); !reflect.DeepEqual(e, a) {
t.Errorf("expected %v, got %v", e, a)
}
typeAccessor, err := meta.TypeAccessor(&j)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if e, a := "a", typeAccessor.GetAPIVersion(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "b", typeAccessor.GetKind(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
accessor.SetNamespace("baz")
accessor.SetName("bar")
accessor.SetGenerateName("generate")
accessor.SetUID("other")
typeAccessor.SetAPIVersion("c")
typeAccessor.SetKind("d")
accessor.SetResourceVersion("2")
accessor.SetSelfLink("google.com")
accessor.SetLabels(map[string]string{"other": "label"})
accessor.SetAnnotations(map[string]string{"c": "d"})
accessor.SetFinalizers([]string{"finalizer.3"})
// Prove that accessor changes the original object.
if e, a := "baz", j.Namespace; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "bar", j.Name; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "generate", j.GenerateName; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "other", j.UID; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "c", j.APIVersion; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "d", j.Kind; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "2", j.ResourceVersion; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "google.com", j.SelfLink; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := map[string]string{"other": "label"}, j.Labels; !reflect.DeepEqual(e, a) {
t.Errorf("expected %#v, got %#v", e, a)
}
if e, a := map[string]string{"c": "d"}, j.Annotations; !reflect.DeepEqual(e, a) {
t.Errorf("expected %#v, got %#v", e, a)
}
if e, a := []string{"finalizer.3"}, j.Finalizers; !reflect.DeepEqual(e, a) {
t.Errorf("expected %v, got %v", e, a)
}
}
func TestGenericListMeta(t *testing.T) {
type TypeMeta struct {
Kind string `json:"kind,omitempty"`
APIVersion string `json:"apiVersion,omitempty"`
}
type ListMeta struct {
SelfLink string `json:"selfLink,omitempty"`
ResourceVersion string `json:"resourceVersion,omitempty"`
}
type Object struct {
TypeMeta `json:",inline"`
ListMeta `json:"metadata"`
}
j := Object{
TypeMeta{
APIVersion: "a",
Kind: "b",
},
ListMeta{
ResourceVersion: "1",
SelfLink: "some/place/only/we/know",
},
}
accessor, err := meta.Accessor(&j)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if e, a := "", accessor.GetName(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "", string(accessor.GetUID()); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "1", accessor.GetResourceVersion(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "some/place/only/we/know", accessor.GetSelfLink(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
typeAccessor, err := meta.TypeAccessor(&j)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if e, a := "a", typeAccessor.GetAPIVersion(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "b", typeAccessor.GetKind(); e != a {
t.Errorf("expected %v, got %v", e, a)
}
accessor.SetName("bar")
accessor.SetUID("other")
typeAccessor.SetAPIVersion("c")
typeAccessor.SetKind("d")
accessor.SetResourceVersion("2")
accessor.SetSelfLink("google.com")
// Prove that accessor changes the original object.
if e, a := "c", j.APIVersion; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "d", j.Kind; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "2", j.ResourceVersion; e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := "google.com", j.SelfLink; e != a {
t.Errorf("expected %v, got %v", e, a)
}
}