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https://github.com/ceph/ceph-csi.git
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439918c10d
There are many locations where a new context is created. These can be reduced when subsequent calls re-use a previously created context object. Signed-off-by: Niels de Vos <ndevos@ibm.com>
422 lines
12 KiB
Go
422 lines
12 KiB
Go
/*
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Copyright 2021 The Ceph-CSI Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package e2e
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import (
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"context"
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"fmt"
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"time"
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snapapi "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumesnapshot/v1"
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snapclient "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/typed/volumesnapshot/v1"
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. "github.com/onsi/gomega" //nolint:golint // e2e uses Expect() and other Gomega functions
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v1 "k8s.io/api/core/v1"
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apierrs "k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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func getSnapshotClass(path string) snapapi.VolumeSnapshotClass {
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sc := snapapi.VolumeSnapshotClass{}
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err := unmarshal(path, &sc)
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Expect(err).ShouldNot(HaveOccurred())
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return sc
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}
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func getSnapshot(path string) snapapi.VolumeSnapshot {
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sc := snapapi.VolumeSnapshot{}
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err := unmarshal(path, &sc)
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Expect(err).ShouldNot(HaveOccurred())
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return sc
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}
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func newSnapshotClient() (*snapclient.SnapshotV1Client, error) {
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config, err := framework.LoadConfig()
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if err != nil {
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return nil, fmt.Errorf("error creating client: %w", err)
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}
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c, err := snapclient.NewForConfig(config)
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if err != nil {
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return nil, fmt.Errorf("error creating snapshot client: %w", err)
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}
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return c, err
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}
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func createSnapshot(snap *snapapi.VolumeSnapshot, t int) error {
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sclient, err := newSnapshotClient()
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if err != nil {
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return err
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}
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ctx := context.TODO()
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_, err = sclient.
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VolumeSnapshots(snap.Namespace).
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Create(ctx, snap, metav1.CreateOptions{})
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if err != nil {
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return fmt.Errorf("failed to create volumesnapshot: %w", err)
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}
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framework.Logf("snapshot with name %v created in %v namespace", snap.Name, snap.Namespace)
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timeout := time.Duration(t) * time.Minute
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name := snap.Name
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start := time.Now()
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framework.Logf("waiting for %v to be in ready state", snap)
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return wait.PollUntilContextTimeout(ctx, poll, timeout, true, func(ctx context.Context) (bool, error) {
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framework.Logf("waiting for snapshot %s (%d seconds elapsed)", snap.Name, int(time.Since(start).Seconds()))
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snaps, err := sclient.
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VolumeSnapshots(snap.Namespace).
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Get(ctx, name, metav1.GetOptions{})
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if err != nil {
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framework.Logf("Error getting snapshot in namespace: '%s': %v", snap.Namespace, err)
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if isRetryableAPIError(err) {
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return false, nil
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}
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if apierrs.IsNotFound(err) {
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return false, nil
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}
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return false, fmt.Errorf("failed to get volumesnapshot: %w", err)
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}
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if snaps.Status == nil || snaps.Status.ReadyToUse == nil {
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return false, nil
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}
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if *snaps.Status.ReadyToUse {
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return true, nil
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}
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framework.Logf("snapshot %s in %v state", snap.Name, *snaps.Status.ReadyToUse)
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return false, nil
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})
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}
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func deleteSnapshot(snap *snapapi.VolumeSnapshot, t int) error {
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sclient, err := newSnapshotClient()
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if err != nil {
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return err
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}
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ctx := context.TODO()
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err = sclient.
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VolumeSnapshots(snap.Namespace).
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Delete(ctx, snap.Name, metav1.DeleteOptions{})
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if err != nil {
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return fmt.Errorf("failed to delete volumesnapshot: %w", err)
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}
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timeout := time.Duration(t) * time.Minute
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name := snap.Name
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start := time.Now()
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framework.Logf("Waiting up to %v to be deleted", snap)
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return wait.PollUntilContextTimeout(ctx, poll, timeout, true, func(ctx context.Context) (bool, error) {
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framework.Logf("deleting snapshot %s (%d seconds elapsed)", name, int(time.Since(start).Seconds()))
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_, err := sclient.
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VolumeSnapshots(snap.Namespace).
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Get(ctx, name, metav1.GetOptions{})
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if err == nil {
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return false, nil
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}
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if isRetryableAPIError(err) {
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return false, nil
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}
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if !apierrs.IsNotFound(err) {
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return false, fmt.Errorf(
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"get on deleted snapshot %v failed : other than \"not found\": %w",
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name,
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err)
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}
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return true, nil
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})
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}
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func createRBDSnapshotClass(f *framework.Framework) error {
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scPath := fmt.Sprintf("%s/%s", rbdExamplePath, "snapshotclass.yaml")
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sc := getSnapshotClass(scPath)
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sc.Parameters["csi.storage.k8s.io/snapshotter-secret-namespace"] = cephCSINamespace
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sc.Parameters["csi.storage.k8s.io/snapshotter-secret-name"] = rbdProvisionerSecretName
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fsID, err := getClusterID(f)
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if err != nil {
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return fmt.Errorf("failed to get clusterID: %w", err)
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}
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sc.Parameters["clusterID"] = fsID
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sclient, err := newSnapshotClient()
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if err != nil {
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return err
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}
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_, err = sclient.VolumeSnapshotClasses().Create(context.TODO(), &sc, metav1.CreateOptions{})
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return err
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}
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func deleteRBDSnapshotClass() error {
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scPath := fmt.Sprintf("%s/%s", rbdExamplePath, "snapshotclass.yaml")
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sc := getSnapshotClass(scPath)
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sclient, err := newSnapshotClient()
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if err != nil {
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return err
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}
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return sclient.VolumeSnapshotClasses().Delete(context.TODO(), sc.Name, metav1.DeleteOptions{})
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}
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func createCephFSSnapshotClass(f *framework.Framework) error {
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scPath := fmt.Sprintf("%s/%s", cephFSExamplePath, "snapshotclass.yaml")
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sc := getSnapshotClass(scPath)
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sc.Parameters["csi.storage.k8s.io/snapshotter-secret-namespace"] = cephCSINamespace
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sc.Parameters["csi.storage.k8s.io/snapshotter-secret-name"] = cephFSProvisionerSecretName
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fsID, err := getClusterID(f)
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if err != nil {
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return fmt.Errorf("failed to get clusterID: %w", err)
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}
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sc.Parameters["clusterID"] = fsID
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sclient, err := newSnapshotClient()
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if err != nil {
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return err
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}
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_, err = sclient.VolumeSnapshotClasses().Create(context.TODO(), &sc, metav1.CreateOptions{})
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if err != nil {
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return fmt.Errorf("failed to create volumesnapshotclass: %w", err)
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}
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return err
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}
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func createNFSSnapshotClass(f *framework.Framework) error {
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scPath := fmt.Sprintf("%s/%s", nfsExamplePath, "snapshotclass.yaml")
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sc := getSnapshotClass(scPath)
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sc.Parameters["csi.storage.k8s.io/snapshotter-secret-namespace"] = cephCSINamespace
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sc.Parameters["csi.storage.k8s.io/snapshotter-secret-name"] = cephFSProvisionerSecretName
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fsID, err := getClusterID(f)
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if err != nil {
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return fmt.Errorf("failed to get clusterID: %w", err)
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}
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sc.Parameters["clusterID"] = fsID
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sclient, err := newSnapshotClient()
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if err != nil {
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return err
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}
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timeout := time.Duration(deployTimeout) * time.Minute
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return wait.PollUntilContextTimeout(context.TODO(), poll, timeout, true, func(ctx context.Context) (bool, error) {
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_, err = sclient.VolumeSnapshotClasses().Create(ctx, &sc, metav1.CreateOptions{})
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if err != nil {
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framework.Logf("error creating SnapshotClass %q: %v", sc.Name, err)
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if apierrs.IsAlreadyExists(err) {
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return true, nil
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}
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if isRetryableAPIError(err) {
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return false, nil
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}
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return false, fmt.Errorf("failed to create SnapshotClass %q: %w", sc.Name, err)
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}
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return true, nil
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})
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}
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func deleteNFSSnapshotClass() error {
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scPath := fmt.Sprintf("%s/%s", nfsExamplePath, "snapshotclass.yaml")
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sc := getSnapshotClass(scPath)
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sclient, err := newSnapshotClient()
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if err != nil {
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return err
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}
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timeout := time.Duration(deployTimeout) * time.Minute
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return wait.PollUntilContextTimeout(context.TODO(), poll, timeout, true, func(ctx context.Context) (bool, error) {
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err = sclient.VolumeSnapshotClasses().Delete(ctx, sc.Name, metav1.DeleteOptions{})
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if err != nil {
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framework.Logf("error deleting SnapshotClass %q: %v", sc.Name, err)
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if apierrs.IsNotFound(err) {
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return true, nil
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}
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if isRetryableAPIError(err) {
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return false, nil
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}
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return false, fmt.Errorf("failed to delete SnapshotClass %q: %w", sc.Name, err)
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}
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return true, nil
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})
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}
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func getVolumeSnapshotContent(namespace, snapshotName string) (*snapapi.VolumeSnapshotContent, error) {
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sclient, err := newSnapshotClient()
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if err != nil {
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return nil, err
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}
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ctx := context.TODO()
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snapshot, err := sclient.
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VolumeSnapshots(namespace).
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Get(ctx, snapshotName, metav1.GetOptions{})
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if err != nil {
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return nil, fmt.Errorf("failed to get volumesnapshot: %w", err)
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}
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volumeSnapshotContent, err := sclient.
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VolumeSnapshotContents().
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Get(ctx, *snapshot.Status.BoundVolumeSnapshotContentName, metav1.GetOptions{})
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if err != nil {
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return nil, fmt.Errorf("failed to get volumesnapshotcontent: %w", err)
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}
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return volumeSnapshotContent, nil
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}
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//nolint:gocyclo,cyclop // reduce complexity
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func validateBiggerPVCFromSnapshot(f *framework.Framework,
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pvcPath,
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appPath,
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snapPath,
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pvcClonePath,
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appClonePath string,
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) error {
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const (
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size = "1Gi"
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newSize = "2Gi"
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)
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pvc, err := loadPVC(pvcPath)
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if err != nil {
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return fmt.Errorf("failed to load PVC: %w", err)
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}
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label := make(map[string]string)
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pvc.Namespace = f.UniqueName
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pvc.Spec.Resources.Requests[v1.ResourceStorage] = resource.MustParse(size)
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app, err := loadApp(appPath)
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if err != nil {
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return fmt.Errorf("failed to load app: %w", err)
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}
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label[appKey] = appLabel
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app.Namespace = f.UniqueName
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app.Labels = label
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opt := metav1.ListOptions{
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LabelSelector: fmt.Sprintf("%s=%s", appKey, label[appKey]),
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}
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err = createPVCAndApp("", f, pvc, app, deployTimeout)
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if err != nil {
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return fmt.Errorf("failed to create pvc and application: %w", err)
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}
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snap := getSnapshot(snapPath)
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snap.Namespace = f.UniqueName
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snap.Spec.Source.PersistentVolumeClaimName = &pvc.Name
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err = createSnapshot(&snap, deployTimeout)
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if err != nil {
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return fmt.Errorf("failed to create snapshot: %w", err)
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}
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err = deletePVCAndApp("", f, pvc, app)
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if err != nil {
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return fmt.Errorf("failed to delete pvc and application: %w", err)
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}
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pvcClone, err := loadPVC(pvcClonePath)
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if err != nil {
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framework.Failf("failed to load PVC: %v", err)
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}
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pvcClone.Namespace = f.UniqueName
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pvcClone.Spec.DataSource.Name = snap.Name
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pvcClone.Spec.Resources.Requests[v1.ResourceStorage] = resource.MustParse(newSize)
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appClone, err := loadApp(appClonePath)
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if err != nil {
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framework.Failf("failed to load application: %v", err)
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}
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appClone.Namespace = f.UniqueName
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appClone.Labels = label
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err = createPVCAndApp("", f, pvcClone, appClone, deployTimeout)
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if err != nil {
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return fmt.Errorf("failed to create pvc clone and application: %w", err)
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}
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err = deleteSnapshot(&snap, deployTimeout)
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if err != nil {
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return fmt.Errorf("failed to delete snapshot: %w", err)
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}
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if pvcClone.Spec.VolumeMode == nil || *pvcClone.Spec.VolumeMode == v1.PersistentVolumeFilesystem {
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err = checkDirSize(appClone, f, &opt, newSize)
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if err != nil {
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return fmt.Errorf("failed to validate directory size: %w", err)
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}
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}
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if pvcClone.Spec.VolumeMode != nil && *pvcClone.Spec.VolumeMode == v1.PersistentVolumeBlock {
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err = checkDeviceSize(appClone, f, &opt, newSize)
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if err != nil {
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return fmt.Errorf("failed to validate device size: %w", err)
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}
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// make sure we had unset snapshot metadata on CreateVolume
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// from snapshot
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var (
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volSnapName string
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volSnapNamespace string
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volSnapContentName string
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stdErr string
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imageList []string
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)
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imageList, err = listRBDImages(f, defaultRBDPool)
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if err != nil {
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framework.Failf("failed to list rbd images: %v", err)
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}
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framework.Logf("list of rbd images: %v", imageList)
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volSnapName, stdErr, err = execCommandInToolBoxPod(f,
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formatImageMetaGetCmd(defaultRBDPool, imageList[0], volSnapNameKey),
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rookNamespace)
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if checkGetKeyError(err, stdErr) {
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framework.Failf("found volume snapshot name %s/%s %s=%s: err=%v stdErr=%q",
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rbdOptions(defaultRBDPool), imageList[0], volSnapNameKey, volSnapName, err, stdErr)
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}
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volSnapNamespace, stdErr, err = execCommandInToolBoxPod(f,
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formatImageMetaGetCmd(defaultRBDPool, imageList[0], volSnapNamespaceKey),
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rookNamespace)
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if checkGetKeyError(err, stdErr) {
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framework.Failf("found volume snapshot namespace %s/%s %s=%s: err=%v stdErr=%q",
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rbdOptions(defaultRBDPool), imageList[0], volSnapNamespaceKey, volSnapNamespace, err, stdErr)
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}
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volSnapContentName, stdErr, err = execCommandInToolBoxPod(f,
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formatImageMetaGetCmd(defaultRBDPool, imageList[0], volSnapContentNameKey),
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rookNamespace)
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if checkGetKeyError(err, stdErr) {
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framework.Failf("found snapshotcontent name %s/%s %s=%s: err=%v stdErr=%q",
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rbdOptions(defaultRBDPool), imageList[0], volSnapContentNameKey,
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volSnapContentName, err, stdErr)
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}
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}
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err = deletePVCAndApp("", f, pvcClone, appClone)
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if err != nil {
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return fmt.Errorf("failed to delete pvc and application: %w", err)
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}
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return nil
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}
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