Example #1
0
func (t *tracker) Delete(gvk unversioned.GroupVersionKind, ns, name string) error {
	if err := checkNamespace(gvk, ns); err != nil {
		return err
	}

	t.lock.Lock()
	defer t.lock.Unlock()

	found := false

	for i, existingObj := range t.objects[gvk] {
		objMeta, err := meta.Accessor(existingObj)
		if err != nil {
			return err
		}
		if objMeta.GetNamespace() == ns && objMeta.GetName() == name {
			t.objects[gvk] = append(t.objects[gvk][:i], t.objects[gvk][i+1:]...)
			found = true
			break
		}
	}

	if found {
		return nil
	}

	return errors.NewNotFound(unversioned.GroupResource{Group: gvk.Group, Resource: gvk.Kind}, name)
}
Example #2
0
func (s storeReplicaSetsNamespacer) Get(name string) (*extensions.ReplicaSet, error) {
	obj, exists, err := s.store.GetByKey(s.namespace + "/" + name)
	if err != nil {
		return nil, err
	}
	if !exists {
		return nil, errors.NewNotFound(extensions.Resource("replicaset"), name)
	}
	return obj.(*extensions.ReplicaSet), nil
}
Example #3
0
func (s storeReplicationControllersNamespacer) Get(name string) (*api.ReplicationController, error) {
	obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
	if err != nil {
		return nil, err
	}
	if !exists {
		return nil, errors.NewNotFound(api.Resource("replicationcontroller"), name)
	}
	return obj.(*api.ReplicationController), nil
}
Example #4
0
func (s storePodsNamespacer) Get(name string) (*api.Pod, error) {
	obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
	if err != nil {
		return nil, err
	}
	if !exists {
		return nil, errors.NewNotFound(api.Resource("pod"), name)
	}
	return obj.(*api.Pod), nil
}
Example #5
0
func (t *tracker) Get(gvk unversioned.GroupVersionKind, ns, name string) (runtime.Object, error) {
	if err := checkNamespace(gvk, ns); err != nil {
		return nil, err
	}

	errNotFound := errors.NewNotFound(unversioned.GroupResource{Group: gvk.Group, Resource: gvk.Kind}, name)

	t.lock.RLock()
	defer t.lock.RUnlock()

	objs, ok := t.objects[gvk]
	if !ok {
		return nil, errNotFound
	}

	matchingObjs, err := filterByNamespaceAndName(objs, ns, name)
	if err != nil {
		return nil, err
	}
	if len(matchingObjs) == 0 {
		return nil, errNotFound
	}
	if len(matchingObjs) > 1 {
		return nil, fmt.Errorf("more than one object matched gvk %s, ns: %q name: %q", gvk, ns, name)
	}

	// Only one object should match in the tracker if it works
	// correctly, as Add/Update methods enforce kind/namespace/name
	// uniqueness.
	obj, err := t.scheme.Copy(matchingObjs[0])
	if err != nil {
		return nil, err
	}

	if status, ok := obj.(*unversioned.Status); ok {
		if status.Details != nil {
			status.Details.Kind = gvk.Kind
		}
		if status.Status != unversioned.StatusSuccess {
			return nil, &errors.StatusError{ErrStatus: *status}
		}
	}

	return obj, nil
}
Example #6
0
func (t *tracker) add(obj runtime.Object, replaceExisting bool) error {
	if meta.IsListType(obj) {
		return t.addList(obj, replaceExisting)
	}

	gvks, _, err := t.scheme.ObjectKinds(obj)
	if err != nil {
		return err
	}
	if len(gvks) == 0 {
		return fmt.Errorf("no registered kinds for %v", obj)
	}

	t.lock.Lock()
	defer t.lock.Unlock()

	for _, gvk := range gvks {
		gr := unversioned.GroupResource{Group: gvk.Group, Resource: gvk.Kind}

		// To avoid the object from being accidentally modified by caller
		// after it's been added to the tracker, we always store the deep
		// copy.
		obj, err = t.scheme.Copy(obj)
		if err != nil {
			return err
		}

		if status, ok := obj.(*unversioned.Status); ok && status.Details != nil {
			gvk.Kind = status.Details.Kind
		}

		newMeta, err := meta.Accessor(obj)
		if err != nil {
			return err
		}

		if err := checkNamespace(gvk, newMeta.GetNamespace()); err != nil {
			return err
		}

		for i, existingObj := range t.objects[gvk] {
			oldMeta, err := meta.Accessor(existingObj)
			if err != nil {
				return err
			}
			if oldMeta.GetNamespace() == newMeta.GetNamespace() && oldMeta.GetName() == newMeta.GetName() {
				if replaceExisting {
					t.objects[gvk][i] = obj
					return nil
				}
				return errors.NewAlreadyExists(gr, newMeta.GetName())
			}
		}

		if replaceExisting {
			// Tried to update but no matching object was found.
			return errors.NewNotFound(gr, newMeta.GetName())
		}

		t.objects[gvk] = append(t.objects[gvk], obj)
	}

	return nil
}