// makeImageStreamTagAdmissionUsageFunc returns a function that computes a resource usage for given image
// stream tag during admission.
func makeImageStreamTagAdmissionUsageFunc(isNamespacer osclient.ImageStreamsNamespacer) generic.UsageFunc {
return func(object runtime.Object) kapi.ResourceList {
ist, ok := object.(*imageapi.ImageStreamTag)
if !ok {
return kapi.ResourceList{}
}
res := map[kapi.ResourceName]resource.Quantity{
imageapi.ResourceImageStreams: *resource.NewQuantity(0, resource.BinarySI),
}
isName, _, err := imageapi.ParseImageStreamTagName(ist.Name)
if err != nil {
utilruntime.HandleError(err)
return kapi.ResourceList{}
}
is, err := isNamespacer.ImageStreams(ist.Namespace).Get(isName)
if err != nil && !kerrors.IsNotFound(err) {
utilruntime.HandleError(fmt.Errorf("failed to get image stream %s/%s: %v", ist.Namespace, isName, err))
}
if is == nil || kerrors.IsNotFound(err) {
res[imageapi.ResourceImageStreams] = *resource.NewQuantity(1, resource.BinarySI)
}
return res
}
}
// CancelBuild updates a build status to Cancelled, after its associated pod is deleted.
func (bc *BuildController) CancelBuild(build *buildapi.Build) error {
if !isBuildCancellable(build) {
glog.V(4).Infof("Build %s/%s can be cancelled only if it has pending/running status, not %s.", build.Namespace, build.Name, build.Status.Phase)
return nil
}
glog.V(4).Infof("Cancelling Build %s/%s.", build.Namespace, build.Name)
pod, err := bc.PodManager.GetPod(build.Namespace, buildutil.GetBuildPodName(build))
if err != nil {
if !errors.IsNotFound(err) {
return fmt.Errorf("Failed to get Pod for build %s/%s: %v", build.Namespace, build.Name, err)
}
} else {
err := bc.PodManager.DeletePod(build.Namespace, pod)
if err != nil && !errors.IsNotFound(err) {
return fmt.Errorf("Couldn't delete Build Pod %s/%s: %v", build.Namespace, pod.Name, err)
}
}
build.Status.Phase = buildapi.BuildPhaseCancelled
now := util.Now()
build.Status.CompletionTimestamp = &now
if err := bc.BuildUpdater.Update(build.Namespace, build); err != nil {
return fmt.Errorf("Failed to update Build %s/%s: %v", build.Namespace, build.Name, err)
}
glog.V(4).Infof("Build %s/%s was successfully cancelled.", build.Namespace, build.Name)
return nil
}
// Ensure that when a deploymentRollback is created for a deployment that has already been deleted
// by the API server, API server returns not-found error.
func TestEtcdCreateDeploymentRollbackNoDeployment(t *testing.T) {
storage, server := newStorage(t)
defer server.Terminate(t)
rollbackStorage := storage.Rollback
ctx := api.WithNamespace(api.NewContext(), namespace)
key, _ := storage.Deployment.KeyFunc(ctx, name)
key = etcdtest.AddPrefix(key)
_, err := rollbackStorage.Create(ctx, &extensions.DeploymentRollback{
Name: name,
UpdatedAnnotations: map[string]string{},
RollbackTo: extensions.RollbackConfig{Revision: 1},
})
if err == nil {
t.Fatalf("Expected not-found-error but got nothing")
}
if !errors.IsNotFound(etcderrors.InterpretGetError(err, extensions.Resource("deployments"), name)) {
t.Fatalf("Unexpected error returned: %#v", err)
}
_, err = storage.Deployment.Get(ctx, name)
if err == nil {
t.Fatalf("Expected not-found-error but got nothing")
}
if !errors.IsNotFound(etcderrors.InterpretGetError(err, extensions.Resource("deployments"), name)) {
t.Fatalf("Unexpected error: %v", err)
}
}
func (f *Framework) deleteFederationNs() {
ns := f.FederationNamespace
By(fmt.Sprintf("Destroying federation namespace %q for this suite.", ns.Name))
timeout := 5 * time.Minute
if f.NamespaceDeletionTimeout != 0 {
timeout = f.NamespaceDeletionTimeout
}
clientset := f.FederationClientset_1_4
// First delete the namespace from federation apiserver.
if err := clientset.Core().Namespaces().Delete(ns.Name, &api.DeleteOptions{}); err != nil {
Failf("Error while deleting federation namespace %s: %s", ns.Name, err)
}
// Verify that it got deleted.
err := wait.PollImmediate(5*time.Second, timeout, func() (bool, error) {
if _, err := clientset.Core().Namespaces().Get(ns.Name); err != nil {
if apierrs.IsNotFound(err) {
return true, nil
}
Logf("Error while waiting for namespace to be terminated: %v", err)
return false, nil
}
return false, nil
})
if err != nil {
if !apierrs.IsNotFound(err) {
Failf("Couldn't delete ns %q: %s", ns.Name, err)
} else {
Logf("Namespace %v was already deleted", ns.Name)
}
}
// TODO: Delete the namespace from underlying clusters.
}
// ReplaceChangedRoles will reconcile all the changed roles back to the recommended bootstrap policy
func (o *ReconcileClusterRolesOptions) ReplaceChangedRoles(changedRoles []*authorizationapi.ClusterRole) error {
for i := range changedRoles {
role, err := o.RoleClient.Get(changedRoles[i].Name)
if err != nil && !kapierrors.IsNotFound(err) {
return err
}
if kapierrors.IsNotFound(err) {
createdRole, err := o.RoleClient.Create(changedRoles[i])
if err != nil {
return err
}
fmt.Fprintf(o.Out, "clusterrole/%s\n", createdRole.Name)
continue
}
role.Rules = changedRoles[i].Rules
updatedRole, err := o.RoleClient.Update(role)
if err != nil {
return err
}
fmt.Fprintf(o.Out, "clusterrole/%s\n", updatedRole.Name)
}
return nil
}
// Ensure that when scheduler creates a binding for a pod that has already been deleted
// by the API server, API server returns not-found error.
func TestEtcdCreateBindingNoPod(t *testing.T) {
storage, bindingStorage, _, server := newStorage(t)
defer server.Terminate(t)
ctx := api.NewDefaultContext()
key, _ := storage.KeyFunc(ctx, "foo")
key = etcdtest.AddPrefix(key)
// Assume that a pod has undergone the following:
// - Create (apiserver)
// - Schedule (scheduler)
// - Delete (apiserver)
_, err := bindingStorage.Create(ctx, &api.Binding{
ObjectMeta: api.ObjectMeta{Namespace: api.NamespaceDefault, Name: "foo"},
Target: api.ObjectReference{Name: "machine"},
})
if err == nil {
t.Fatalf("Expected not-found-error but got nothing")
}
if !errors.IsNotFound(etcderrors.InterpretGetError(err, "Pod", "foo")) {
t.Fatalf("Unexpected error returned: %#v", err)
}
_, err = storage.Get(ctx, "foo")
if err == nil {
t.Fatalf("Expected not-found-error but got nothing")
}
if !errors.IsNotFound(etcderrors.InterpretGetError(err, "Pod", "foo")) {
t.Fatalf("Unexpected error: %v", err)
}
}
func TestStoreDeleteCollection(t *testing.T) {
podA := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "foo"}}
podB := &api.Pod{ObjectMeta: api.ObjectMeta{Name: "bar"}}
testContext := api.WithNamespace(api.NewContext(), "test")
server, registry := NewTestGenericStoreRegistry(t)
defer server.Terminate(t)
if _, err := registry.Create(testContext, podA); err != nil {
t.Errorf("Unexpected error: %v", err)
}
if _, err := registry.Create(testContext, podB); err != nil {
t.Errorf("Unexpected error: %v", err)
}
// Delete all pods.
deleted, err := registry.DeleteCollection(testContext, nil, &api.ListOptions{})
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
deletedPods := deleted.(*api.PodList)
if len(deletedPods.Items) != 2 {
t.Errorf("Unexpected number of pods deleted: %d, expected: 2", len(deletedPods.Items))
}
if _, err := registry.Get(testContext, podA.Name); !errors.IsNotFound(err) {
t.Errorf("Unexpected error: %v", err)
}
if _, err := registry.Get(testContext, podB.Name); !errors.IsNotFound(err) {
t.Errorf("Unexpected error: %v", err)
}
}
// HandleBuildDeletion deletes a build pod if the corresponding build has been deleted
func (bc *BuildDeleteController) HandleBuildDeletion(build *buildapi.Build) error {
glog.V(4).Infof("Handling deletion of build %s", build.Name)
if build.Spec.Strategy.JenkinsPipelineStrategy != nil {
glog.V(4).Infof("Ignoring build with jenkins pipeline strategy")
return nil
}
podName := buildapi.GetBuildPodName(build)
pod, err := bc.PodManager.GetPod(build.Namespace, podName)
if err != nil && !errors.IsNotFound(err) {
glog.V(2).Infof("Failed to find pod with name %s for build %s in namespace %s due to error: %v", podName, build.Name, build.Namespace, err)
return err
}
if pod == nil {
glog.V(2).Infof("Did not find pod with name %s for build %s in namespace %s", podName, build.Name, build.Namespace)
return nil
}
if buildName := buildapi.GetBuildName(pod); buildName != build.Name {
glog.V(2).Infof("Not deleting pod %s/%s because the build label %s does not match the build name %s", pod.Namespace, podName, buildName, build.Name)
return nil
}
err = bc.PodManager.DeletePod(build.Namespace, pod)
if err != nil && !errors.IsNotFound(err) {
glog.V(2).Infof("Failed to delete pod %s/%s for build %s due to error: %v", build.Namespace, podName, build.Name, err)
return err
}
return nil
}
// CancelBuild updates a build status to Cancelled, after its associated pod is deleted.
func (bc *BuildController) CancelBuild(build *buildapi.Build) error {
if !isBuildCancellable(build) {
glog.V(4).Infof("Build %s/%s can be cancelled only if it has pending/running status, not %s.", build.Namespace, build.Name, build.Status.Phase)
return nil
}
glog.V(4).Infof("Cancelling build %s/%s.", build.Namespace, build.Name)
pod, err := bc.PodManager.GetPod(build.Namespace, buildapi.GetBuildPodName(build))
if err != nil {
if !errors.IsNotFound(err) {
return fmt.Errorf("Failed to get pod for build %s/%s: %v", build.Namespace, build.Name, err)
}
} else {
err := bc.PodManager.DeletePod(build.Namespace, pod)
if err != nil && !errors.IsNotFound(err) {
return fmt.Errorf("Couldn't delete build pod %s/%s: %v", build.Namespace, pod.Name, err)
}
}
build.Status.Phase = buildapi.BuildPhaseCancelled
now := unversioned.Now()
build.Status.CompletionTimestamp = &now
// set the status details for the cancelled build before updating the build
// object.
build.Status.Reason = buildapi.StatusReasonCancelledBuild
build.Status.Message = buildapi.StatusMessageCancelledBuild
if err := bc.BuildUpdater.Update(build.Namespace, build); err != nil {
return fmt.Errorf("Failed to update build %s/%s: %v", build.Namespace, build.Name, err)
}
glog.V(4).Infof("Build %s/%s was successfully cancelled.", build.Namespace, build.Name)
return nil
}
// makeImageStreamImportAdmissionUsageFunc retuns a function for computing a usage of an image stream import.
func makeImageStreamImportAdmissionUsageFunc(isNamespacer osclient.ImageStreamsNamespacer) generic.UsageFunc {
return func(object runtime.Object) kapi.ResourceList {
isi, ok := object.(*imageapi.ImageStreamImport)
if !ok {
return kapi.ResourceList{}
}
usage := map[kapi.ResourceName]resource.Quantity{
imageapi.ResourceImageStreams: *resource.NewQuantity(0, resource.DecimalSI),
}
if !isi.Spec.Import || (len(isi.Spec.Images) == 0 && isi.Spec.Repository == nil) {
return usage
}
is, err := isNamespacer.ImageStreams(isi.Namespace).Get(isi.Name)
if err != nil && !kerrors.IsNotFound(err) {
utilruntime.HandleError(fmt.Errorf("failed to list image streams: %v", err))
}
if is == nil || kerrors.IsNotFound(err) {
usage[imageapi.ResourceImageStreams] = *resource.NewQuantity(1, resource.DecimalSI)
}
return usage
}
}
func Rename(c coreclient.ReplicationControllersGetter, rc *api.ReplicationController, newName string) error {
oldName := rc.Name
rc.Name = newName
rc.ResourceVersion = ""
// First delete the oldName RC and orphan its pods.
trueVar := true
err := c.ReplicationControllers(rc.Namespace).Delete(oldName, &api.DeleteOptions{OrphanDependents: &trueVar})
if err != nil && !errors.IsNotFound(err) {
return err
}
err = wait.Poll(5*time.Second, 60*time.Second, func() (bool, error) {
_, err := c.ReplicationControllers(rc.Namespace).Get(oldName)
if err == nil {
return false, nil
} else if errors.IsNotFound(err) {
return true, nil
} else {
return false, err
}
})
if err != nil {
return err
}
// Then create the same RC with the new name.
_, err = c.ReplicationControllers(rc.Namespace).Create(rc)
if err != nil {
return err
}
return nil
}
// verifyCascadingDeletionForIngress verifies that ingresses are deleted from
// underlying clusters when orphan dependents is false and they are not deleted
// when orphan dependents is true.
func verifyCascadingDeletionForIngress(clientset *fedclientset.Clientset, clusters map[string]*cluster, orphanDependents *bool, nsName string) {
ingress := createIngressOrFail(clientset, nsName)
ingressName := ingress.Name
// Check subclusters if the ingress was created there.
By(fmt.Sprintf("Waiting for ingress %s to be created in all underlying clusters", ingressName))
waitForIngressShardsOrFail(nsName, ingress, clusters)
By(fmt.Sprintf("Deleting ingress %s", ingressName))
deleteIngressOrFail(clientset, nsName, ingressName, orphanDependents)
By(fmt.Sprintf("Verifying ingresses %s in underlying clusters", ingressName))
errMessages := []string{}
// ingress should be present in underlying clusters unless orphanDependents is false.
shouldExist := orphanDependents == nil || *orphanDependents == true
for clusterName, clusterClientset := range clusters {
_, err := clusterClientset.Extensions().Ingresses(nsName).Get(ingressName)
if shouldExist && errors.IsNotFound(err) {
errMessages = append(errMessages, fmt.Sprintf("unexpected NotFound error for ingress %s in cluster %s, expected ingress to exist", ingressName, clusterName))
} else if !shouldExist && !errors.IsNotFound(err) {
errMessages = append(errMessages, fmt.Sprintf("expected NotFound error for ingress %s in cluster %s, got error: %v", ingressName, clusterName, err))
}
}
if len(errMessages) != 0 {
framework.Failf("%s", strings.Join(errMessages, "; "))
}
}
// Cleanup up pvs and pvcs in multi-pv-pvc test cases. All entries found in the pv and
// claims maps are deleted.
// Note: this is the only code that deletes PV objects.
func pvPvcCleanup(c clientset.Interface, ns string, pvols pvmap, claims pvcmap) {
if c != nil && len(ns) > 0 {
for pvcKey := range claims {
_, err := c.Core().PersistentVolumeClaims(pvcKey.Namespace).Get(pvcKey.Name)
if !apierrs.IsNotFound(err) {
Expect(err).NotTo(HaveOccurred())
framework.Logf(" deleting PVC %v ...", pvcKey)
err = c.Core().PersistentVolumeClaims(pvcKey.Namespace).Delete(pvcKey.Name, nil)
Expect(err).NotTo(HaveOccurred())
framework.Logf(" deleted PVC %v", pvcKey)
}
delete(claims, pvcKey)
}
for name := range pvols {
_, err := c.Core().PersistentVolumes().Get(name)
if !apierrs.IsNotFound(err) {
Expect(err).NotTo(HaveOccurred())
framework.Logf(" deleting PV %v ...", name)
err = c.Core().PersistentVolumes().Delete(name, nil)
Expect(err).NotTo(HaveOccurred())
framework.Logf(" deleted PV %v", name)
}
delete(pvols, name)
}
}
}
// Ensure that when scheduler creates a binding for a pod that has already been deleted
// by the API server, API server returns not-found error.
func TestEtcdCreateBindingNoPod(t *testing.T) {
storage, bindingStorage, _, server := newStorage(t)
defer server.Terminate(t)
defer storage.Store.DestroyFunc()
ctx := api.NewDefaultContext()
// Assume that a pod has undergone the following:
// - Create (apiserver)
// - Schedule (scheduler)
// - Delete (apiserver)
_, err := bindingStorage.Create(ctx, &api.Binding{
ObjectMeta: api.ObjectMeta{Namespace: api.NamespaceDefault, Name: "foo"},
Target: api.ObjectReference{Name: "machine"},
})
if err == nil {
t.Fatalf("Expected not-found-error but got nothing")
}
if !errors.IsNotFound(storeerr.InterpretGetError(err, api.Resource("pods"), "foo")) {
t.Fatalf("Unexpected error returned: %#v", err)
}
_, err = storage.Get(ctx, "foo", &metav1.GetOptions{})
if err == nil {
t.Fatalf("Expected not-found-error but got nothing")
}
if !errors.IsNotFound(storeerr.InterpretGetError(err, api.Resource("pods"), "foo")) {
t.Fatalf("Unexpected error: %v", err)
}
}
func (cc *clusterClientCache) persistFedServiceUpdate(cachedService *cachedService, fedClient federation_release_1_3.Interface) error {
service := cachedService.lastState
glog.V(5).Infof("Persist federation service status %s/%s", service.Namespace, service.Name)
var err error
for i := 0; i < clientRetryCount; i++ {
_, err := fedClient.Core().Services(service.Namespace).Get(service.Name)
if errors.IsNotFound(err) {
glog.Infof("Not persisting update to service '%s/%s' that no longer exists: %v",
service.Namespace, service.Name, err)
return nil
}
_, err = fedClient.Core().Services(service.Namespace).UpdateStatus(service)
if err == nil {
glog.V(2).Infof("Successfully update service %s/%s to federation apiserver", service.Namespace, service.Name)
return nil
}
if errors.IsNotFound(err) {
glog.Infof("Not persisting update to service '%s/%s' that no longer exists: %v",
service.Namespace, service.Name, err)
return nil
}
if errors.IsConflict(err) {
glog.V(4).Infof("Not persisting update to service '%s/%s' that has been changed since we received it: %v",
service.Namespace, service.Name, err)
return err
}
time.Sleep(cachedService.nextFedUpdateDelay())
}
return err
}
// Delete the passed in pod.
func deletePod(f *framework.Framework, c *client.Client, ns string, pod *api.Pod) error {
framework.Logf("Deleting pod %v", pod.Name)
err := c.Pods(ns).Delete(pod.Name, nil)
if err != nil {
return fmt.Errorf("Pod %v encountered a delete error: %v", pod.Name, err)
}
// Wait for pod to terminate
err = f.WaitForPodTerminated(pod.Name, "")
if err != nil && !apierrs.IsNotFound(err) {
return fmt.Errorf("Pod %v will not teminate: %v", pod.Name, err)
}
// Re-get the pod to double check that it has been deleted; expect err
// Note: Get() writes a log error if the pod is not found
_, err = c.Pods(ns).Get(pod.Name)
if err == nil {
return fmt.Errorf("Pod %v has been deleted but able to re-Get the deleted pod", pod.Name)
}
if !apierrs.IsNotFound(err) {
return fmt.Errorf("Pod %v has been deleted but still exists: %v", pod.Name, err)
}
framework.Logf("Ignore \"not found\" error above. Pod %v successfully deleted", pod.Name)
return nil
}
func TestEtcdDelete(t *testing.T) {
podA := &api.Pod{
ObjectMeta: api.ObjectMeta{Name: "foo"},
Spec: api.PodSpec{NodeName: "machine"},
}
testContext := api.WithNamespace(api.NewContext(), "test")
server, registry := NewTestGenericEtcdRegistry(t)
defer server.Terminate(t)
// test failure condition
_, err := registry.Delete(testContext, podA.Name, nil)
if !errors.IsNotFound(err) {
t.Errorf("Unexpected error: %v", err)
}
// create pod
_, err = registry.Create(testContext, podA)
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
// delete object
_, err = registry.Delete(testContext, podA.Name, nil)
if err != nil {
t.Errorf("Unexpected error: %v", err)
}
// try to get a item which should be deleted
_, err = registry.Get(testContext, podA.Name)
if !errors.IsNotFound(err) {
t.Errorf("Unexpected error: %v", err)
}
}
// ServerGroups returns the supported groups, with information like supported versions and the
// preferred version.
func (d *DiscoveryClient) ServerGroups() (apiGroupList *unversioned.APIGroupList, err error) {
// Get the groupVersions exposed at /api
v := &unversioned.APIVersions{}
err = d.restClient.Get().AbsPath(d.LegacyPrefix).Do().Into(v)
apiGroup := unversioned.APIGroup{}
if err == nil {
apiGroup = apiVersionsToAPIGroup(v)
}
if err != nil && !errors.IsNotFound(err) && !errors.IsForbidden(err) {
return nil, err
}
// Get the groupVersions exposed at /apis
apiGroupList = &unversioned.APIGroupList{}
err = d.restClient.Get().AbsPath("/apis").Do().Into(apiGroupList)
if err != nil && !errors.IsNotFound(err) && !errors.IsForbidden(err) {
return nil, err
}
// to be compatible with a v1.0 server, if it's a 403 or 404, ignore and return whatever we got from /api
if err != nil && (errors.IsNotFound(err) || errors.IsForbidden(err)) {
apiGroupList = &unversioned.APIGroupList{}
}
// append the group retrieved from /api to the list
apiGroupList.Groups = append(apiGroupList.Groups, apiGroup)
return apiGroupList, nil
}
func (o RolloutLatestOptions) RunRolloutLatest() error {
info := o.infos[0]
config, ok := info.Object.(*deployapi.DeploymentConfig)
if !ok {
return fmt.Errorf("%s is not a deployment config", info.Name)
}
// TODO: Consider allowing one-off deployments for paused configs
// See https://github.com/openshift/origin/issues/9903
if config.Spec.Paused {
return fmt.Errorf("cannot deploy a paused deployment config")
}
deploymentName := deployutil.LatestDeploymentNameForConfig(config)
deployment, err := o.kc.ReplicationControllers(config.Namespace).Get(deploymentName)
switch {
case err == nil:
// Reject attempts to start a concurrent deployment.
if !deployutil.IsTerminatedDeployment(deployment) {
status := deployutil.DeploymentStatusFor(deployment)
return fmt.Errorf("#%d is already in progress (%s).", config.Status.LatestVersion, status)
}
case !kerrors.IsNotFound(err):
return err
}
dc := config
if !o.DryRun {
request := &deployapi.DeploymentRequest{
Name: config.Name,
Latest: !o.again,
Force: true,
}
dc, err = o.oc.DeploymentConfigs(config.Namespace).Instantiate(request)
// Pre 1.4 servers don't support the instantiate endpoint. Fallback to incrementing
// latestVersion on them.
if kerrors.IsNotFound(err) || kerrors.IsForbidden(err) {
config.Status.LatestVersion++
dc, err = o.oc.DeploymentConfigs(config.Namespace).Update(config)
}
if err != nil {
return err
}
info.Refresh(dc, true)
}
if o.output == "revision" {
fmt.Fprintf(o.out, fmt.Sprintf("%d", dc.Status.LatestVersion))
return nil
}
kcmdutil.PrintSuccess(o.mapper, o.output == "name", o.out, info.Mapping.Resource, info.Name, o.DryRun, "rolled out")
return nil
}
func (reaper *DeploymentReaper) Stop(namespace, name string, timeout time.Duration, gracePeriod *api.DeleteOptions) error {
deployments := reaper.dClient.Deployments(namespace)
replicaSets := reaper.rsClient.ReplicaSets(namespace)
rsReaper := &ReplicaSetReaper{reaper.rsClient, reaper.pollInterval, reaper.timeout}
deployment, err := reaper.updateDeploymentWithRetries(namespace, name, func(d *extensions.Deployment) {
// set deployment's history and scale to 0
// TODO replace with patch when available: https://github.com/kubernetes/kubernetes/issues/20527
d.Spec.RevisionHistoryLimit = util.Int32Ptr(0)
d.Spec.Replicas = 0
d.Spec.Paused = true
})
if err != nil {
return err
}
// Use observedGeneration to determine if the deployment controller noticed the pause.
if err := deploymentutil.WaitForObservedDeploymentInternal(func() (*extensions.Deployment, error) {
return deployments.Get(name, metav1.GetOptions{})
}, deployment.Generation, 1*time.Second, 1*time.Minute); err != nil {
return err
}
// Do not cascade deletion for overlapping deployments.
if len(deployment.Annotations[deploymentutil.OverlapAnnotation]) > 0 {
return deployments.Delete(name, nil)
}
// Stop all replica sets.
selector, err := metav1.LabelSelectorAsSelector(deployment.Spec.Selector)
if err != nil {
return err
}
options := api.ListOptions{LabelSelector: selector}
rsList, err := replicaSets.List(options)
if err != nil {
return err
}
errList := []error{}
for _, rc := range rsList.Items {
if err := rsReaper.Stop(rc.Namespace, rc.Name, timeout, gracePeriod); err != nil {
scaleGetErr, ok := err.(ScaleError)
if errors.IsNotFound(err) || (ok && errors.IsNotFound(scaleGetErr.ActualError)) {
continue
}
errList = append(errList, err)
}
}
if len(errList) > 0 {
return utilerrors.NewAggregate(errList)
}
// Delete deployment at the end.
// Note: We delete deployment at the end so that if removing RSs fails, we at least have the deployment to retry.
return deployments.Delete(name, nil)
}
// syncNamespace makes namespace life-cycle decisions
func syncNamespace(kubeClient client.Interface, experimentalMode bool, namespace api.Namespace) (err error) {
if namespace.DeletionTimestamp == nil {
return nil
}
glog.V(4).Infof("Syncing namespace %s", namespace.Name)
// if there is a deletion timestamp, and the status is not terminating, then update status
if !namespace.DeletionTimestamp.IsZero() && namespace.Status.Phase != api.NamespaceTerminating {
newNamespace := api.Namespace{}
newNamespace.ObjectMeta = namespace.ObjectMeta
newNamespace.Status = namespace.Status
newNamespace.Status.Phase = api.NamespaceTerminating
result, err := kubeClient.Namespaces().Status(&newNamespace)
if err != nil {
return err
}
// work with the latest copy so we can proceed to clean up right away without another interval
namespace = *result
}
// if the namespace is already finalized, delete it
if finalized(namespace) {
err = kubeClient.Namespaces().Delete(namespace.Name)
if err != nil && !errors.IsNotFound(err) {
return err
}
return nil
}
// there may still be content for us to remove
estimate, err := deleteAllContent(kubeClient, experimentalMode, namespace.Name, *namespace.DeletionTimestamp)
if err != nil {
return err
}
if estimate > 0 {
return &contentRemainingError{estimate}
}
// we have removed content, so mark it finalized by us
result, err := finalize(kubeClient, namespace)
if err != nil {
return err
}
// now check if all finalizers have reported that we delete now
if finalized(*result) {
err = kubeClient.Namespaces().Delete(namespace.Name)
if err != nil && !errors.IsNotFound(err) {
return err
}
}
return nil
}
func getReferencedServiceAccountToken(c *clientset.Clientset, ns string, name string, shouldWait bool) (string, string, error) {
tokenName := ""
token := ""
findToken := func() (bool, error) {
user, err := c.Core().ServiceAccounts(ns).Get(name)
if errors.IsNotFound(err) {
return false, nil
}
if err != nil {
return false, err
}
for _, ref := range user.Secrets {
secret, err := c.Core().Secrets(ns).Get(ref.Name)
if errors.IsNotFound(err) {
continue
}
if err != nil {
return false, err
}
if secret.Type != api.SecretTypeServiceAccountToken {
continue
}
name := secret.Annotations[api.ServiceAccountNameKey]
uid := secret.Annotations[api.ServiceAccountUIDKey]
tokenData := secret.Data[api.ServiceAccountTokenKey]
if name == user.Name && uid == string(user.UID) && len(tokenData) > 0 {
tokenName = secret.Name
token = string(tokenData)
return true, nil
}
}
return false, nil
}
if shouldWait {
err := wait.Poll(time.Second, 10*time.Second, findToken)
if err != nil {
return "", "", err
}
} else {
ok, err := findToken()
if err != nil {
return "", "", err
}
if !ok {
return "", "", fmt.Errorf("No token found for %s/%s", ns, name)
}
}
return tokenName, token, nil
}
// ReplaceChangedRoleBindings will reconcile all the changed system role bindings back to the recommended bootstrap policy
func (o *ReconcileClusterRoleBindingsOptions) ReplaceChangedRoleBindings(changedRoleBindings []*authorizationapi.ClusterRoleBinding) error {
errs := []error{}
for i := range changedRoleBindings {
roleBinding, err := o.RoleBindingClient.Get(changedRoleBindings[i].Name)
if err != nil && !kapierrors.IsNotFound(err) {
errs = append(errs, err)
continue
}
if kapierrors.IsNotFound(err) {
createdRoleBinding, err := o.RoleBindingClient.Create(changedRoleBindings[i])
if err != nil {
errs = append(errs, err)
continue
}
fmt.Fprintf(o.Out, "clusterrolebinding/%s\n", createdRoleBinding.Name)
continue
}
// RoleRef is immutable, to reset this, we have to delete/recreate
if !kapi.Semantic.DeepEqual(roleBinding.RoleRef, changedRoleBindings[i].RoleRef) {
roleBinding.RoleRef = changedRoleBindings[i].RoleRef
roleBinding.Subjects = changedRoleBindings[i].Subjects
// TODO: for extra credit, determine whether the right to delete/create this rolebinding for the current user came from this rolebinding before deleting it
err := o.RoleBindingClient.Delete(roleBinding.Name)
if err != nil {
errs = append(errs, err)
continue
}
createdRoleBinding, err := o.RoleBindingClient.Create(changedRoleBindings[i])
if err != nil {
errs = append(errs, err)
continue
}
fmt.Fprintf(o.Out, "clusterrolebinding/%s\n", createdRoleBinding.Name)
continue
}
roleBinding.Subjects = changedRoleBindings[i].Subjects
updatedRoleBinding, err := o.RoleBindingClient.Update(roleBinding)
if err != nil {
errs = append(errs, err)
continue
}
fmt.Fprintf(o.Out, "clusterrolebinding/%s\n", updatedRoleBinding.Name)
}
return kutilerrors.NewAggregate(errs)
}
// syncNamespace orchestrates deletion of a Namespace and its associated content.
func syncNamespace(kubeClient client.Interface, versions *unversioned.APIVersions, namespace *api.Namespace) (err error) {
if namespace.DeletionTimestamp == nil {
return nil
}
glog.V(4).Infof("Syncing namespace %s", namespace.Name)
// ensure that the status is up to date on the namespace
// if we get a not found error, we assume the namespace is truly gone
namespace, err = retryOnConflictError(kubeClient, namespace, updateNamespaceStatusFunc)
if err != nil {
if errors.IsNotFound(err) {
return nil
}
return err
}
// if the namespace is already finalized, delete it
if finalized(namespace) {
err = kubeClient.Namespaces().Delete(namespace.Name)
if err != nil && !errors.IsNotFound(err) {
return err
}
return nil
}
// there may still be content for us to remove
estimate, err := deleteAllContent(kubeClient, versions, namespace.Name, *namespace.DeletionTimestamp)
if err != nil {
return err
}
if estimate > 0 {
return &contentRemainingError{estimate}
}
// we have removed content, so mark it finalized by us
result, err := retryOnConflictError(kubeClient, namespace, finalizeNamespaceFunc)
if err != nil {
return err
}
// now check if all finalizers have reported that we delete now
if finalized(result) {
err = kubeClient.Namespaces().Delete(namespace.Name)
if err != nil && !errors.IsNotFound(err) {
return err
}
}
return nil
}
// Get retrieves the object from the Namespace and Name fields
func (i *Info) Get() (err error) {
obj, err := NewHelper(i.Client, i.Mapping).Get(i.Namespace, i.Name, i.Export)
if err != nil {
if errors.IsNotFound(err) && len(i.Namespace) > 0 && i.Namespace != api.NamespaceDefault && i.Namespace != api.NamespaceAll {
err2 := i.Client.Get().AbsPath("api", "v1", "namespaces", i.Namespace).Do().Error()
if err2 != nil && errors.IsNotFound(err2) {
return err2
}
}
return err
}
i.Object = obj
i.ResourceVersion, _ = i.Mapping.MetadataAccessor.ResourceVersion(obj)
return nil
}
func (plugin *OsdnNode) getLocalSubnet() (string, error) {
var subnet *osapi.HostSubnet
backoff := utilwait.Backoff{
Duration: 100 * time.Millisecond,
Factor: 2,
Steps: 8,
}
err := utilwait.ExponentialBackoff(backoff, func() (bool, error) {
var err error
subnet, err = plugin.osClient.HostSubnets().Get(plugin.hostName)
if err == nil {
return true, nil
} else if kapierrors.IsNotFound(err) {
glog.Warningf("Could not find an allocated subnet for node: %s, Waiting...", plugin.hostName)
return false, nil
} else {
return false, err
}
})
if err != nil {
return "", fmt.Errorf("Failed to get subnet for this host: %s, error: %v", plugin.hostName, err)
}
if err = plugin.networkInfo.validateNodeIP(subnet.HostIP); err != nil {
return "", fmt.Errorf("Failed to validate own HostSubnet: %v", err)
}
return subnet.Subnet, nil
}
func (e *exists) Admit(a admission.Attributes) (err error) {
// if we're here, then we've already passed authentication, so we're allowed to do what we're trying to do
// if we're here, then the API server has found a route, which means that if we have a non-empty namespace
// its a namespaced resource.
if len(a.GetNamespace()) == 0 || a.GetKind().GroupKind() == api.Kind("Namespace") {
return nil
}
namespace := &api.Namespace{
ObjectMeta: api.ObjectMeta{
Name: a.GetNamespace(),
Namespace: "",
},
Status: api.NamespaceStatus{},
}
_, exists, err := e.store.Get(namespace)
if err != nil {
return errors.NewInternalError(err)
}
if exists {
return nil
}
// in case of latency in our caches, make a call direct to storage to verify that it truly exists or not
_, err = e.client.Core().Namespaces().Get(a.GetNamespace())
if err != nil {
if errors.IsNotFound(err) {
return err
}
return errors.NewInternalError(err)
}
return nil
}
func TestUpdateError(t *testing.T) {
ctx := kapi.WithUser(kapi.WithNamespace(kapi.NewContext(), "unittest"), &user.DefaultInfo{Name: "system:admin"})
storage := makeTestStorage()
obj, err := storage.Create(ctx, &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{Name: "my-different"},
RoleRef: kapi.ObjectReference{Name: "admin"},
})
if err != nil {
t.Errorf("unexpected error: %v", err)
return
}
original := obj.(*authorizationapi.RoleBinding)
roleBinding := &authorizationapi.RoleBinding{
ObjectMeta: kapi.ObjectMeta{Name: "my-roleBinding", ResourceVersion: original.ResourceVersion},
RoleRef: kapi.ObjectReference{Name: "admin"},
}
_, _, err = storage.Update(ctx, roleBinding)
if err == nil {
t.Errorf("Missing expected error")
return
}
if !kapierrors.IsNotFound(err) {
t.Errorf("Unexpected error %v", err)
}
}
// listCollection will list the items in the specified namespace
// it returns the following:
// the list of items in the collection (if found)
// a boolean if the operation is supported
// an error if the operation is supported but could not be completed.
func listCollection(
dynamicClient *dynamic.Client,
opCache operationNotSupportedCache,
gvr unversioned.GroupVersionResource,
namespace string,
) (*runtime.UnstructuredList, bool, error) {
glog.V(5).Infof("namespace controller - listCollection - namespace: %s, gvr: %v", namespace, gvr)
key := operationKey{op: operationList, gvr: gvr}
if !opCache.isSupported(key) {
glog.V(5).Infof("namespace controller - listCollection ignored since not supported - namespace: %s, gvr: %v", namespace, gvr)
return nil, false, nil
}
apiResource := unversioned.APIResource{Name: gvr.Resource, Namespaced: true}
unstructuredList, err := dynamicClient.Resource(&apiResource, namespace).List(v1.ListOptions{})
if err == nil {
return unstructuredList, true, nil
}
// this is strange, but we need to special case for both MethodNotSupported and NotFound errors
// TODO: https://github.com/kubernetes/kubernetes/issues/22413
// we have a resource returned in the discovery API that supports no top-level verbs:
// /apis/extensions/v1beta1/namespaces/default/replicationcontrollers
// when working with this resource type, we will get a literal not found error rather than expected method not supported
// remember next time that this resource does not support delete collection...
if errors.IsMethodNotSupported(err) || errors.IsNotFound(err) {
glog.V(5).Infof("namespace controller - listCollection not supported - namespace: %s, gvr: %v", namespace, gvr)
opCache[key] = true
return nil, false, nil
}
return nil, true, err
}
func (s *ServiceController) persistUpdate(service *api.Service) error {
var err error
for i := 0; i < clientRetryCount; i++ {
_, err = s.kubeClient.Core().Services(service.Namespace).UpdateStatus(service)
switch {
case err == nil:
return nil
case errors.IsNotFound(err):
// If the object no longer exists, we don't want to recreate it. Just bail
// out so that we can process the delete, which we should soon be receiving
// if we haven't already.
glog.Infof("Not persisting update to service '%s/%s' that no longer exists: %v",
service.Namespace, service.Name, err)
return nil
case errors.IsConflict(err):
// TODO: Try to resolve the conflict if the change was unrelated to load
// balancer status. For now, just rely on the fact that we'll
// also process the update that caused the resource version to change.
glog.V(4).Infof("Not persisting update to service '%s/%s' that has been changed since we received it: %v",
service.Namespace, service.Name, err)
return nil
}
glog.Warningf("Failed to persist updated LoadBalancerStatus to service '%s/%s' after creating its load balancer: %v",
service.Namespace, service.Name, err)
time.Sleep(clientRetryInterval)
}
return err
}
