diff --git a/changelogs/unreleased/6943-sseago b/changelogs/unreleased/6943-sseago new file mode 100644 index 0000000000..2055df15a2 --- /dev/null +++ b/changelogs/unreleased/6943-sseago @@ -0,0 +1 @@ +Retry failed create when using generateName diff --git a/pkg/client/retry.go b/pkg/client/retry.go new file mode 100644 index 0000000000..f9674e1edd --- /dev/null +++ b/pkg/client/retry.go @@ -0,0 +1,44 @@ +/* +Copyright the Velero contributors. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package client + +import ( + "context" + + apierrors "k8s.io/apimachinery/pkg/api/errors" + "k8s.io/client-go/util/retry" + kbclient "sigs.k8s.io/controller-runtime/pkg/client" +) + +func CreateRetryGenerateName(client kbclient.Client, ctx context.Context, obj kbclient.Object) error { + return CreateRetryGenerateNameWithFunc(obj, func() error { + return client.Create(ctx, obj, &kbclient.CreateOptions{}) + }) +} + +func CreateRetryGenerateNameWithFunc(obj kbclient.Object, createFn func() error) error { + retryCreateFn := func() error { + // needed to ensure that the name from the failed create isn't left on the object between retries + obj.SetName("") + return createFn() + } + if obj.GetGenerateName() != "" && obj.GetName() == "" { + return retry.OnError(retry.DefaultRetry, apierrors.IsAlreadyExists, retryCreateFn) + } else { + return createFn() + } +} diff --git a/pkg/cmd/cli/backup/delete.go b/pkg/cmd/cli/backup/delete.go index 5d235bd72f..4c81477585 100644 --- a/pkg/cmd/cli/backup/delete.go +++ b/pkg/cmd/cli/backup/delete.go @@ -124,7 +124,7 @@ func Run(o *cli.DeleteOptions) error { ObjectMeta(builder.WithLabels(velerov1api.BackupNameLabel, label.GetValidName(b.Name), velerov1api.BackupUIDLabel, string(b.UID)), builder.WithGenerateName(b.Name+"-")).Result() - if err := o.Client.Create(context.TODO(), deleteRequest, &controllerclient.CreateOptions{}); err != nil { + if err := client.CreateRetryGenerateName(o.Client, context.TODO(), deleteRequest); err != nil { errs = append(errs, err) continue } diff --git a/pkg/cmd/cli/serverstatus/server_status.go b/pkg/cmd/cli/serverstatus/server_status.go index 5bf99aff33..628c4a5453 100644 --- a/pkg/cmd/cli/serverstatus/server_status.go +++ b/pkg/cmd/cli/serverstatus/server_status.go @@ -26,6 +26,7 @@ import ( velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1" "github.com/vmware-tanzu/velero/pkg/builder" + veleroclient "github.com/vmware-tanzu/velero/pkg/client" ) type Getter interface { @@ -40,7 +41,7 @@ type DefaultServerStatusGetter struct { func (g *DefaultServerStatusGetter) GetServerStatus(kbClient kbclient.Client) (*velerov1api.ServerStatusRequest, error) { created := builder.ForServerStatusRequest(g.Namespace, "", "0").ObjectMeta(builder.WithGenerateName("velero-cli-")).Result() - if err := kbClient.Create(context.Background(), created, &kbclient.CreateOptions{}); err != nil { + if err := veleroclient.CreateRetryGenerateName(kbClient, context.Background(), created); err != nil { return nil, errors.WithStack(err) } diff --git a/pkg/controller/gc_controller.go b/pkg/controller/gc_controller.go index 3d1fe48c74..9d38e5d1b7 100644 --- a/pkg/controller/gc_controller.go +++ b/pkg/controller/gc_controller.go @@ -32,6 +32,7 @@ import ( velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1" pkgbackup "github.com/vmware-tanzu/velero/pkg/backup" + veleroclient "github.com/vmware-tanzu/velero/pkg/client" "github.com/vmware-tanzu/velero/pkg/label" "github.com/vmware-tanzu/velero/pkg/util/kube" ) @@ -187,7 +188,7 @@ func (c *gcReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Re log.Info("Creating a new deletion request") ndbr := pkgbackup.NewDeleteBackupRequest(backup.Name, string(backup.UID)) ndbr.SetNamespace(backup.Namespace) - if err := c.Create(ctx, ndbr); err != nil { + if err := veleroclient.CreateRetryGenerateName(c, ctx, ndbr); err != nil { log.WithError(err).Error("error creating DeleteBackupRequests") return ctrl.Result{}, errors.Wrap(err, "error creating DeleteBackupRequest") } diff --git a/pkg/podvolume/backupper.go b/pkg/podvolume/backupper.go index 2955b06b50..e6fe25e245 100644 --- a/pkg/podvolume/backupper.go +++ b/pkg/podvolume/backupper.go @@ -31,6 +31,7 @@ import ( "github.com/vmware-tanzu/velero/internal/resourcepolicies" velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1" + veleroclient "github.com/vmware-tanzu/velero/pkg/client" clientset "github.com/vmware-tanzu/velero/pkg/generated/clientset/versioned" "github.com/vmware-tanzu/velero/pkg/label" "github.com/vmware-tanzu/velero/pkg/nodeagent" @@ -297,7 +298,11 @@ func (b *backupper) BackupPodVolumes(backup *velerov1api.Backup, pod *corev1api. } volumeBackup := newPodVolumeBackup(backup, pod, volume, repo.Spec.ResticIdentifier, b.uploaderType, pvc) - if _, err = b.veleroClient.VeleroV1().PodVolumeBackups(volumeBackup.Namespace).Create(context.TODO(), volumeBackup, metav1.CreateOptions{}); err != nil { + // TODO: once backupper is refactored to use controller-runtime, just pass client instead of anonymous func + if err := veleroclient.CreateRetryGenerateNameWithFunc(volumeBackup, func() error { + _, err := b.veleroClient.VeleroV1().PodVolumeBackups(volumeBackup.Namespace).Create(context.TODO(), volumeBackup, metav1.CreateOptions{}) + return err + }); err != nil { errs = append(errs, err) continue } diff --git a/pkg/podvolume/restorer.go b/pkg/podvolume/restorer.go index 0011f3d473..7befbf1f6d 100644 --- a/pkg/podvolume/restorer.go +++ b/pkg/podvolume/restorer.go @@ -31,6 +31,7 @@ import ( "k8s.io/client-go/tools/cache" velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1" + veleroclient "github.com/vmware-tanzu/velero/pkg/client" clientset "github.com/vmware-tanzu/velero/pkg/generated/clientset/versioned" "github.com/vmware-tanzu/velero/pkg/label" "github.com/vmware-tanzu/velero/pkg/nodeagent" @@ -172,7 +173,10 @@ func (r *restorer) RestorePodVolumes(data RestoreData) []error { volumeRestore := newPodVolumeRestore(data.Restore, data.Pod, data.BackupLocation, volume, backupInfo.snapshotID, repo.Spec.ResticIdentifier, backupInfo.uploaderType, data.SourceNamespace, pvc) - if err := errorOnly(r.veleroClient.VeleroV1().PodVolumeRestores(volumeRestore.Namespace).Create(context.TODO(), volumeRestore, metav1.CreateOptions{})); err != nil { + // TODO: once restorer is refactored to use controller-runtime, just pass client instead of anonymous func + if err := veleroclient.CreateRetryGenerateNameWithFunc(volumeRestore, func() error { + return errorOnly(r.veleroClient.VeleroV1().PodVolumeRestores(volumeRestore.Namespace).Create(context.TODO(), volumeRestore, metav1.CreateOptions{})) + }); err != nil { errs = append(errs, errors.WithStack(err)) continue } diff --git a/pkg/repository/ensurer.go b/pkg/repository/ensurer.go index 885363328c..255f49d038 100644 --- a/pkg/repository/ensurer.go +++ b/pkg/repository/ensurer.go @@ -28,6 +28,7 @@ import ( "sigs.k8s.io/controller-runtime/pkg/client" velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1" + veleroclient "github.com/vmware-tanzu/velero/pkg/client" ) // Ensurer ensures that backup repositories are created and ready. @@ -107,7 +108,7 @@ func (r *Ensurer) repoLock(key BackupRepositoryKey) *sync.Mutex { func (r *Ensurer) createBackupRepositoryAndWait(ctx context.Context, namespace string, backupRepoKey BackupRepositoryKey) (*velerov1api.BackupRepository, error) { toCreate := NewBackupRepository(namespace, backupRepoKey) - if err := r.repoClient.Create(ctx, toCreate, &client.CreateOptions{}); err != nil { + if err := veleroclient.CreateRetryGenerateName(r.repoClient, ctx, toCreate); err != nil { return nil, errors.Wrap(err, "unable to create backup repository resource") } diff --git a/pkg/restore/dataupload_retrieve_action.go b/pkg/restore/dataupload_retrieve_action.go index c345e908ff..79193411e7 100644 --- a/pkg/restore/dataupload_retrieve_action.go +++ b/pkg/restore/dataupload_retrieve_action.go @@ -30,6 +30,7 @@ import ( velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1" velerov2alpha1 "github.com/vmware-tanzu/velero/pkg/apis/velero/v2alpha1" + veleroclient "github.com/vmware-tanzu/velero/pkg/client" "github.com/vmware-tanzu/velero/pkg/label" "github.com/vmware-tanzu/velero/pkg/plugin/velero" ) @@ -104,7 +105,7 @@ func (d *DataUploadRetrieveAction) Execute(input *velero.RestoreItemActionExecut }, } - err = d.client.Create(context.Background(), &cm, &client.CreateOptions{}) + err = veleroclient.CreateRetryGenerateName(d.client, context.Background(), &cm) if err != nil { d.logger.Errorf("fail to create DataUploadResult ConfigMap %s/%s: %s", cm.Namespace, cm.Name, err.Error()) return nil, errors.Wrap(err, "fail to create DataUploadResult ConfigMap")