func TestStoreBasicExport(t *testing.T) {
podA := api.Pod{
ObjectMeta: api.ObjectMeta{
Namespace: "test",
Name: "foo",
Labels: map[string]string{},
},
Spec: api.PodSpec{NodeName: "machine"},
Status: api.PodStatus{HostIP: "1.2.3.4"},
}
server, registry := NewTestGenericStoreRegistry(t)
defer server.Terminate(t)
testContext := api.WithNamespace(api.NewContext(), "test")
registry.UpdateStrategy.(*testRESTStrategy).allowCreateOnUpdate = true
if !updateAndVerify(t, testContext, registry, &podA) {
t.Errorf("Unexpected error updating podA")
}
obj, err := registry.Export(testContext, podA.Name, unversioned.ExportOptions{})
if err != nil {
t.Errorf("unexpected error: %v", err)
}
exportedPod := obj.(*api.Pod)
if exportedPod.Labels["prepare_create"] != "true" {
t.Errorf("expected: prepare_create->true, found: %s", exportedPod.Labels["prepare_create"])
}
delete(exportedPod.Labels, "prepare_create")
exportObjectMeta(&podA.ObjectMeta, false)
podA.Spec = exportedPod.Spec
if !reflect.DeepEqual(&podA, exportedPod) {
t.Errorf("expected:\n%v\nsaw:\n%v\n", &podA, exportedPod)
}
}
// checkAndUpdatePod updates existing, and:
// * if ref makes a meaningful change, returns needUpdate=true
// * if ref makes no meaningful change, but changes the pod status, returns needReconcile=true
// * else return both false
// Now, needUpdate and needReconcile should never be both true
func checkAndUpdatePod(existing, ref *api.Pod) (needUpdate, needReconcile bool) {
// TODO: it would be better to update the whole object and only preserve certain things
// like the source annotation or the UID (to ensure safety)
if !podsDifferSemantically(existing, ref) {
// this is not an update
// Only check reconcile when it is not an update, because if the pod is going to
// be updated, an extra reconcile is unnecessary
if !reflect.DeepEqual(existing.Status, ref.Status) {
// Pod with changed pod status needs reconcile, because kubelet should
// be the source of truth of pod status.
existing.Status = ref.Status
needReconcile = true
}
return
}
// this is an update
// Overwrite the first-seen time with the existing one. This is our own
// internal annotation, there is no need to update.
ref.Annotations[kubetypes.ConfigFirstSeenAnnotationKey] = existing.Annotations[kubetypes.ConfigFirstSeenAnnotationKey]
existing.Spec = ref.Spec
existing.Labels = ref.Labels
existing.DeletionTimestamp = ref.DeletionTimestamp
existing.DeletionGracePeriodSeconds = ref.DeletionGracePeriodSeconds
existing.Status = ref.Status
updateAnnotations(existing, ref)
needUpdate = true
return
}
