// fuzzInternalObject fuzzes an arbitrary runtime object using the appropriate
// fuzzer registered with the apitesting package.
func fuzzInternalObject(t *testing.T, forVersion schema.GroupVersion, item runtime.Object, seed int64) runtime.Object {
apitesting.FuzzerFor(t, forVersion, rand.NewSource(seed)).Fuzz(item)
j, err := meta.TypeAccessor(item)
if err != nil {
t.Fatalf("Unexpected error %v for %#v", err, item)
}
j.SetKind("")
j.SetAPIVersion("")
return item
}
func TestGenericTypeMeta(t *testing.T) {
type TypeMeta struct {
Kind string `json:"kind,omitempty"`
Namespace string `json:"namespace,omitempty"`
Name string `json:"name,omitempty"`
GenerateName string `json:"generateName,omitempty"`
UID string `json:"uid,omitempty"`
CreationTimestamp metav1.Time `json:"creationTimestamp,omitempty"`
SelfLink string `json:"selfLink,omitempty"`
ResourceVersion string `json:"resourceVersion,omitempty"`
APIVersion string `json:"apiVersion,omitempty"`
Labels map[string]string `json:"labels,omitempty"`
Annotations map[string]string `json:"annotations,omitempty"`
OwnerReferences []metav1.OwnerReference `json:"ownerReferences,omitempty"`
Finalizers []string `json:"finalizers,omitempty"`
}
j := struct{ TypeMeta }{TypeMeta{APIVersion: "a", Kind: "b"}}
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)
}
typeAccessor.SetAPIVersion("c")
typeAccessor.SetKind("d")
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)
}
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 doRoundTripTest(group testapi.TestGroup, kind string, t *testing.T) {
object, err := api.Scheme.New(group.InternalGroupVersion().WithKind(kind))
if err != nil {
t.Fatalf("Couldn't make a %v? %v", kind, err)
}
if _, err := meta.TypeAccessor(object); err != nil {
t.Fatalf("%q is not a TypeMeta and cannot be tested - add it to nonRoundTrippableTypes: %v", kind, err)
}
if api.Scheme.Recognizes(group.GroupVersion().WithKind(kind)) {
roundTripSame(t, group, object, nonRoundTrippableTypesByVersion[kind]...)
}
if !nonInternalRoundTrippableTypes.Has(kind) && api.Scheme.Recognizes(group.GroupVersion().WithKind(kind)) {
roundTrip(t, group.Codec(), fuzzInternalObject(t, group.InternalGroupVersion(), object, rand.Int63()))
}
}
func TestAPIObjectMeta(t *testing.T) {
j := &api.Pod{
TypeMeta: metav1.TypeMeta{APIVersion: "/a", Kind: "b"},
ObjectMeta: metav1.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 _ metav1.Object = &j.ObjectMeta
var _ metav1.ObjectMetaAccessor = j
accessor, err := meta.Accessor(j)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if accessor != metav1.Object(j) {
t.Fatalf("should have returned the same pointer: %#v\n\n%#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)
}
}
// Dequeueing an event from eventQueue, updating graph, populating dirty_queue.
func (p *Propagator) processEvent() {
timedItem, quit := p.eventQueue.Get()
if quit {
return
}
defer p.eventQueue.Done(timedItem)
event, ok := timedItem.Object.(*event)
if !ok {
utilruntime.HandleError(fmt.Errorf("expect a *event, got %v", timedItem.Object))
return
}
obj := event.obj
accessor, err := meta.Accessor(obj)
if err != nil {
utilruntime.HandleError(fmt.Errorf("cannot access obj: %v", err))
return
}
typeAccessor, err := meta.TypeAccessor(obj)
if err != nil {
utilruntime.HandleError(fmt.Errorf("cannot access obj: %v", err))
return
}
glog.V(6).Infof("Propagator process object: %s/%s, namespace %s, name %s, event type %s", typeAccessor.GetAPIVersion(), typeAccessor.GetKind(), accessor.GetNamespace(), accessor.GetName(), event.eventType)
// Check if the node already exsits
existingNode, found := p.uidToNode.Read(accessor.GetUID())
switch {
case (event.eventType == addEvent || event.eventType == updateEvent) && !found:
newNode := &node{
identity: objectReference{
OwnerReference: metav1.OwnerReference{
APIVersion: typeAccessor.GetAPIVersion(),
Kind: typeAccessor.GetKind(),
UID: accessor.GetUID(),
Name: accessor.GetName(),
},
Namespace: accessor.GetNamespace(),
},
dependents: make(map[*node]struct{}),
owners: accessor.GetOwnerReferences(),
}
p.insertNode(newNode)
// the underlying delta_fifo may combine a creation and deletion into one event
if shouldOrphanDependents(event, accessor) {
glog.V(6).Infof("add %s to the orphanQueue", newNode.identity)
p.gc.orphanQueue.Add(&workqueue.TimedWorkQueueItem{StartTime: p.gc.clock.Now(), Object: newNode})
}
case (event.eventType == addEvent || event.eventType == updateEvent) && found:
// caveat: if GC observes the creation of the dependents later than the
// deletion of the owner, then the orphaning finalizer won't be effective.
if shouldOrphanDependents(event, accessor) {
glog.V(6).Infof("add %s to the orphanQueue", existingNode.identity)
p.gc.orphanQueue.Add(&workqueue.TimedWorkQueueItem{StartTime: p.gc.clock.Now(), Object: existingNode})
}
// add/remove owner refs
added, removed := referencesDiffs(existingNode.owners, accessor.GetOwnerReferences())
if len(added) == 0 && len(removed) == 0 {
glog.V(6).Infof("The updateEvent %#v doesn't change node references, ignore", event)
return
}
// update the node itself
existingNode.owners = accessor.GetOwnerReferences()
// Add the node to its new owners' dependent lists.
p.addDependentToOwners(existingNode, added)
// remove the node from the dependent list of node that are no long in
// the node's owners list.
p.removeDependentFromOwners(existingNode, removed)
case event.eventType == deleteEvent:
if !found {
glog.V(6).Infof("%v doesn't exist in the graph, this shouldn't happen", accessor.GetUID())
return
}
p.removeNode(existingNode)
existingNode.dependentsLock.RLock()
defer existingNode.dependentsLock.RUnlock()
if len(existingNode.dependents) > 0 {
p.gc.absentOwnerCache.Add(accessor.GetUID())
}
for dep := range existingNode.dependents {
p.gc.dirtyQueue.Add(&workqueue.TimedWorkQueueItem{StartTime: p.gc.clock.Now(), Object: dep})
}
}
EventProcessingLatency.Observe(sinceInMicroseconds(p.gc.clock, timedItem.StartTime))
}
