Golang errors.NewNotFound函數代碼示例

func (t *tracker) Delete(gvk schema.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(schema.GroupResource{Group: gvk.Group, Resource: gvk.Kind}, name)
}

func fakeUnjoinHostFactory(name string) cmdutil.Factory {
	urlPrefix := "/api/v1/namespaces/federation-system/secrets/"
	f, tf, codec, _ := cmdtesting.NewAPIFactory()
	ns := dynamic.ContentConfig().NegotiatedSerializer
	tf.ClientConfig = kubefedtesting.DefaultClientConfig()
	tf.Client = &fake.RESTClient{
		NegotiatedSerializer: ns,
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			switch p, m := req.URL.Path, req.Method; {
			case strings.HasPrefix(p, urlPrefix) && m == http.MethodDelete:
				got := strings.TrimPrefix(p, urlPrefix)
				if got != name {
					return nil, errors.NewNotFound(api.Resource("secrets"), got)
				}
				status := metav1.Status{
					Status: "Success",
				}
				return &http.Response{StatusCode: http.StatusOK, Header: kubefedtesting.DefaultHeader(), Body: kubefedtesting.ObjBody(codec, &status)}, nil
			default:
				return nil, fmt.Errorf("unexpected request: %#v\n%#v", req.URL, req)
			}
		}),
	}
	return f
}

func (r *ScaleREST) Update(ctx genericapirequest.Context, name string, objInfo rest.UpdatedObjectInfo) (runtime.Object, bool, error) {
	rc, err := (*r.registry).GetController(ctx, name, &metav1.GetOptions{})
	if err != nil {
		return nil, false, errors.NewNotFound(extensions.Resource("replicationcontrollers/scale"), name)
	}
	oldScale := scaleFromRC(rc)

	obj, err := objInfo.UpdatedObject(ctx, oldScale)

	if obj == nil {
		return nil, false, errors.NewBadRequest(fmt.Sprintf("nil update passed to Scale"))
	}
	scale, ok := obj.(*extensions.Scale)
	if !ok {
		return nil, false, errors.NewBadRequest(fmt.Sprintf("wrong object passed to Scale update: %v", obj))
	}

	if errs := extvalidation.ValidateScale(scale); len(errs) > 0 {
		return nil, false, errors.NewInvalid(extensions.Kind("Scale"), scale.Name, errs)
	}

	rc.Spec.Replicas = scale.Spec.Replicas
	rc.ResourceVersion = scale.ResourceVersion
	rc, err = (*r.registry).UpdateController(ctx, rc)
	if err != nil {
		return nil, false, errors.NewConflict(extensions.Resource("replicationcontrollers/scale"), scale.Name, err)
	}
	return scaleFromRC(rc), false, nil
}

// NewNotFound is a utility function to return a well-formatted admission control error response
func NewNotFound(a Attributes) error {
	name, resource, err := extractResourceName(a)
	if err != nil {
		return apierrors.NewInternalError(err)
	}
	return apierrors.NewNotFound(resource, name)
}

func (r *ScaleREST) Get(ctx genericapirequest.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
	rc, err := (*r.registry).GetController(ctx, name, options)
	if err != nil {
		return nil, errors.NewNotFound(extensions.Resource("replicationcontrollers/scale"), name)
	}
	return scaleFromRC(rc), nil
}

func runAppArmorTest(f *framework.Framework, shouldRun bool, profile string) v1.PodStatus {
	pod := createPodWithAppArmor(f, profile)
	if shouldRun {
		// The pod needs to start before it stops, so wait for the longer start timeout.
		framework.ExpectNoError(framework.WaitTimeoutForPodNoLongerRunningInNamespace(
			f.ClientSet, pod.Name, f.Namespace.Name, "", framework.PodStartTimeout))
	} else {
		// Pod should remain in the pending state. Wait for the Reason to be set to "AppArmor".
		w, err := f.PodClient().Watch(v1.SingleObject(metav1.ObjectMeta{Name: pod.Name}))
		framework.ExpectNoError(err)
		_, err = watch.Until(framework.PodStartTimeout, w, func(e watch.Event) (bool, error) {
			switch e.Type {
			case watch.Deleted:
				return false, errors.NewNotFound(schema.GroupResource{Resource: "pods"}, pod.Name)
			}
			switch t := e.Object.(type) {
			case *v1.Pod:
				if t.Status.Reason == "AppArmor" {
					return true, nil
				}
			}
			return false, nil
		})
		framework.ExpectNoError(err)
	}
	p, err := f.PodClient().Get(pod.Name, metav1.GetOptions{})
	framework.ExpectNoError(err)
	return p.Status
}

func (c *fakeDiscoveryClient) ServerResourcesForGroupVersion(groupVersion string) (*metav1.APIResourceList, error) {
	c.resourceCalls = c.resourceCalls + 1
	if groupVersion == "a/v1" {
		return &metav1.APIResourceList{}, nil
	}

	return nil, errors.NewNotFound(schema.GroupResource{}, "")
}

// existingController verifies if the controller already exists
func (r *RollingUpdater) existingController(controller *api.ReplicationController) (*api.ReplicationController, error) {
	// without rc name but generate name, there's no existing rc
	if len(controller.Name) == 0 && len(controller.GenerateName) > 0 {
		return nil, errors.NewNotFound(api.Resource("replicationcontrollers"), controller.Name)
	}
	// controller name is required to get rc back
	return r.rcClient.ReplicationControllers(controller.Namespace).Get(controller.Name, metav1.GetOptions{})
}

func (s clusterRoleLister) Get(name string) (*rbac.ClusterRole, error) {
	obj, exists, err := s.indexer.GetByKey(name)
	if err != nil {
		return nil, err
	}
	if !exists {
		return nil, errors.NewNotFound(rbac.Resource("clusterrole"), name)
	}
	return obj.(*rbac.ClusterRole), nil
}

// Get retrieves the Endpoints from the indexer for a given namespace and name.
func (s endpointsNamespaceLister) Get(name string) (*api.Endpoints, error) {
	obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
	if err != nil {
		return nil, err
	}
	if !exists {
		return nil, errors.NewNotFound(api.Resource("endpoints"), name)
	}
	return obj.(*api.Endpoints), nil
}

func (s storePodsNamespacer) Get(name string) (*v1.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.(*v1.Pod), nil
}

func waitForPodTerminated(podClient coreclient.PodsGetter, ns, name string, out io.Writer, quiet bool) (*api.Pod, error) {
	pod, err := waitForPod(podClient, ns, name, conditions.PodCompleted)

	// fix generic not found error with empty name in PodCompleted
	if err != nil && errors.IsNotFound(err) {
		return nil, errors.NewNotFound(api.Resource("pods"), name)
	}

	return pod, err
}

// InterpretGetError converts a generic error on a retrieval
// operation into the appropriate API error.
func InterpretGetError(err error, qualifiedResource schema.GroupResource, name string) error {
	switch {
	case storage.IsNotFound(err):
		return errors.NewNotFound(qualifiedResource, name)
	case storage.IsUnreachable(err):
		return errors.NewServerTimeout(qualifiedResource, "get", 2) // TODO: make configurable or handled at a higher level
	default:
		return err
	}
}

// Get retrieves the Role from the indexer for a given namespace and name.
func (s roleNamespaceLister) Get(name string) (*v1beta1.Role, error) {
	obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
	if err != nil {
		return nil, err
	}
	if !exists {
		return nil, errors.NewNotFound(rbac.Resource("role"), name)
	}
	return obj.(*v1beta1.Role), nil
}

// Get retrieves the PodTemplate from the indexer for a given namespace and name.
func (s podTemplateNamespaceLister) Get(name string) (*v1.PodTemplate, error) {
	obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
	if err != nil {
		return nil, err
	}
	if !exists {
		return nil, errors.NewNotFound(api.Resource("podtemplate"), name)
	}
	return obj.(*v1.PodTemplate), nil
}