mirror of
https://github.com/ceph/ceph-csi.git
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d2ddd52151
adding a framework to test the volumegroupsnapshot for both cephfs and rbd and added a test case for cephfs. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
433 lines
14 KiB
Go
433 lines
14 KiB
Go
/*
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Copyright 2024 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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groupsnapapi "github.com/kubernetes-csi/external-snapshotter/client/v8/apis/volumegroupsnapshot/v1alpha1"
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snapapi "github.com/kubernetes-csi/external-snapshotter/client/v8/apis/volumesnapshot/v1"
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groupsnapclient "github.com/kubernetes-csi/external-snapshotter/client/v8/clientset/versioned/typed/volumegroupsnapshot/v1alpha1"
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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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// volumeGroupSnapshotter defines the common operations for handling
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// volume group snapshots.
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type volumeGroupSnapshotter interface {
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// CreateVolumeGroupSnapshotClass creates a volume group snapshot class.
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CreateVolumeGroupSnapshotClass(vgsc *groupsnapapi.VolumeGroupSnapshotClass) error
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// CreateVolumeGroupSnapshot creates a groupsnapshot with the specified name
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// namespace and volume group snapshot class.
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CreateVolumeGroupSnapshot(name,
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volumeGroupSnapshotClassName string,
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labels map[string]string) (*groupsnapapi.VolumeGroupSnapshot, error)
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// DeleteVolumeGroupSnapshot deletes the specified volume
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// group snapshot.
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DeleteVolumeGroupSnapshot(volumeGroupSnapshotName string) error
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// DeleteVolumeGroupSnapshotClass deletes the specified volume
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// group snapshot class.
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DeleteVolumeGroupSnapshotClass(snapshotClassName string) error
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// CreatePVCs creates PVCs with the specified namespace and labels.
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CreatePVCs(namespace string,
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labels map[string]string) ([]*v1.PersistentVolumeClaim, error)
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// DeletePVCs deletes the specified PVCs.
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DeletePVCs(pvcs []*v1.PersistentVolumeClaim) error
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// CreatePVCClones creates pvcs from all the snapshots in VolumeGroupSnapshot.
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CreatePVCClones(vgs *groupsnapapi.VolumeGroupSnapshot,
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) ([]*v1.PersistentVolumeClaim, error)
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}
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// VolumeGroupSnapshotter defines validation operations specific to each driver.
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type VolumeGroupSnapshotter interface {
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// TestVolumeGroupSnapshot tests the volume group snapshot operations.
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TestVolumeGroupSnapshot() error
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// GetVolumeGroupSnapshotClass returns the volume group snapshot class.
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GetVolumeGroupSnapshotClass() (*groupsnapapi.VolumeGroupSnapshotClass, error)
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// ValidateResourcesForCreate validates the resources in the backend after
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// creating clones.
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ValidateResourcesForCreate(vgs *groupsnapapi.VolumeGroupSnapshot) error
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// ValidateSnapshotsDeleted checks if all resources are deleted in the
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// backend after all the resources are deleted.
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ValidateResourcesForDelete() error
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}
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type volumeGroupSnapshotterBase struct {
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timeout int
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framework *framework.Framework
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groupclient *groupsnapclient.GroupsnapshotV1alpha1Client
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storageClassName string
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blockPVC bool
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totalPVCCount int
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namespace string
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}
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func newVolumeGroupSnapshotBase(f *framework.Framework, namespace,
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storageClass string,
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blockPVC bool,
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timeout, totalPVCCount int,
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) (*volumeGroupSnapshotterBase, 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 group snapshot client: %w", err)
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}
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c, err := groupsnapclient.NewForConfig(config)
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if err != nil {
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return nil, fmt.Errorf("error creating group snapshot client: %w", err)
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}
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return &volumeGroupSnapshotterBase{
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framework: f,
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groupclient: c,
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namespace: namespace,
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storageClassName: storageClass,
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blockPVC: blockPVC,
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timeout: timeout,
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totalPVCCount: totalPVCCount,
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}, err
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}
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var _ volumeGroupSnapshotter = &volumeGroupSnapshotterBase{}
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func (v *volumeGroupSnapshotterBase) CreatePVCs(namespace string,
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labels map[string]string,
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) ([]*v1.PersistentVolumeClaim, error) {
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pvcs := make([]*v1.PersistentVolumeClaim, v.totalPVCCount)
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for i := range v.totalPVCCount {
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pvcs[i] = &v1.PersistentVolumeClaim{
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ObjectMeta: metav1.ObjectMeta{
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Name: fmt.Sprintf("pvc-%d", i),
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Namespace: namespace,
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},
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Spec: v1.PersistentVolumeClaimSpec{
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Resources: v1.VolumeResourceRequirements{
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Requests: v1.ResourceList{
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v1.ResourceStorage: resource.MustParse("1Gi"),
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},
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},
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AccessModes: []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce},
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StorageClassName: &v.storageClassName,
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},
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}
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if v.blockPVC {
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volumeMode := v1.PersistentVolumeBlock
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pvcs[i].Spec.VolumeMode = &volumeMode
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} else {
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volumeMode := v1.PersistentVolumeFilesystem
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pvcs[i].Spec.VolumeMode = &volumeMode
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}
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pvcs[i].Labels = labels
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err := createPVCAndvalidatePV(v.framework.ClientSet, pvcs[i], v.timeout)
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if err != nil {
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return nil, fmt.Errorf("failed to create PVC: %w", err)
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}
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}
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return pvcs, nil
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}
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func (v *volumeGroupSnapshotterBase) DeletePVCs(pvcs []*v1.PersistentVolumeClaim) error {
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for _, pvc := range pvcs {
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err := deletePVCAndValidatePV(v.framework.ClientSet, pvc, v.timeout)
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if err != nil {
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return fmt.Errorf("failed to delete PVC: %w", err)
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}
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}
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return nil
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}
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func (v *volumeGroupSnapshotterBase) CreatePVCClones(
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vgs *groupsnapapi.VolumeGroupSnapshot,
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) ([]*v1.PersistentVolumeClaim, error) {
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pvcSnapRef := vgs.Status.PVCVolumeSnapshotRefList
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namespace := vgs.Namespace
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ctx := context.TODO()
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pvcs := make([]*v1.PersistentVolumeClaim, len(pvcSnapRef))
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for i, pvcSnap := range pvcSnapRef {
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pvc, err := v.framework.ClientSet.CoreV1().PersistentVolumeClaims(namespace).Get(ctx,
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pvcSnap.PersistentVolumeClaimRef.Name,
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metav1.GetOptions{})
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if err != nil {
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return nil, fmt.Errorf("failed to get PVC: %w", err)
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}
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pvcs[i] = &v1.PersistentVolumeClaim{
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ObjectMeta: metav1.ObjectMeta{
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Name: fmt.Sprintf("%s-clone-%d", pvc.Name, i),
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Namespace: pvc.Namespace,
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},
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Spec: *pvc.Spec.DeepCopy(),
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}
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snap := pvcSnap.VolumeSnapshotRef
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apiGroup := snapapi.GroupName
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pvcs[i].Spec.DataSource = &v1.TypedLocalObjectReference{
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APIGroup: &apiGroup,
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Kind: "VolumeSnapshot",
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Name: snap.Name,
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}
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pvcs[i].Spec.StorageClassName = &v.storageClassName
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// cleanup the VolumeName as we are creating a new PVC
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pvcs[i].Spec.VolumeName = ""
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err = createPVCAndvalidatePV(v.framework.ClientSet, pvcs[i], v.timeout)
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if err != nil {
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return nil, fmt.Errorf("failed to create PVC: %w", err)
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}
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}
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return pvcs, nil
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}
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func (v volumeGroupSnapshotterBase) CreateVolumeGroupSnapshotClass(
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groupSnapshotClass *groupsnapapi.VolumeGroupSnapshotClass,
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) error {
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return wait.PollUntilContextTimeout(
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context.TODO(),
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poll,
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time.Duration(v.timeout)*time.Minute,
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true,
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func(ctx context.Context) (bool, error) {
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_, err := v.groupclient.VolumeGroupSnapshotClasses().Create(ctx, groupSnapshotClass, metav1.CreateOptions{})
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if err != nil {
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framework.Logf("error creating VolumeGroupSnapshotClass %q: %v", groupSnapshotClass.Name, err)
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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 VolumeGroupSnapshotClass %q: %w", groupSnapshotClass.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 (v volumeGroupSnapshotterBase) CreateVolumeGroupSnapshot(name,
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volumeGroupSnapshotClassName string, labels map[string]string,
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) (*groupsnapapi.VolumeGroupSnapshot, error) {
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namespace := v.namespace
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groupSnapshot := &groupsnapapi.VolumeGroupSnapshot{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: namespace,
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},
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Spec: groupsnapapi.VolumeGroupSnapshotSpec{
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Source: groupsnapapi.VolumeGroupSnapshotSource{
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Selector: &metav1.LabelSelector{
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MatchLabels: labels,
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},
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},
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VolumeGroupSnapshotClassName: &volumeGroupSnapshotClassName,
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},
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}
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ctx := context.TODO()
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_, err := v.groupclient.VolumeGroupSnapshots(namespace).Create(ctx, groupSnapshot, metav1.CreateOptions{})
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if err != nil {
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return nil, fmt.Errorf("failed to create VolumeGroupSnapshot %q: %w", name, err)
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}
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framework.Logf("VolumeGroupSnapshot with name %v created in %v namespace", name, namespace)
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timeout := time.Duration(v.timeout) * time.Minute
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start := time.Now()
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framework.Logf("waiting for %+v to be in ready state", groupSnapshot)
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err = wait.PollUntilContextTimeout(ctx, poll, timeout, true, func(ctx context.Context) (bool, error) {
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framework.Logf("waiting for VolumeGroupSnapshot %s (%d seconds elapsed)", name, int(time.Since(start).Seconds()))
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groupSnapshot, err = v.groupclient.VolumeGroupSnapshots(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 VolumeGroupSnapshot in namespace: '%s': %v", 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 groupSnapshot.Status == nil || groupSnapshot.Status.ReadyToUse == nil {
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return false, nil
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}
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if *groupSnapshot.Status.ReadyToUse {
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return true, nil
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}
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readyToUse := groupSnapshot.Status.ReadyToUse
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errMsg := ""
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if groupSnapshot.Status.Error != nil {
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errMsg = *groupSnapshot.Status.Error.Message
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}
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framework.Logf("current state of VolumeGroupSnapshot %s. ReadyToUse: %v, Error: %s", name, *readyToUse, errMsg)
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return false, nil
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})
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if err != nil {
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return nil, fmt.Errorf("failed to get VolumeGroupSnapshot %s: %w", name, err)
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}
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return groupSnapshot, nil
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}
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func (v volumeGroupSnapshotterBase) DeleteVolumeGroupSnapshot(volumeGroupSnapshotName string) error {
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namespace := v.namespace
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ctx := context.TODO()
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err := v.groupclient.VolumeGroupSnapshots(namespace).Delete(
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ctx,
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volumeGroupSnapshotName,
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metav1.DeleteOptions{})
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if err != nil {
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return fmt.Errorf("failed to delete VolumeGroupSnapshot: %w", err)
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}
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start := time.Now()
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framework.Logf("Waiting for VolumeGroupSnapshot %v to be deleted", volumeGroupSnapshotName)
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timeout := time.Duration(v.timeout) * time.Minute
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return wait.PollUntilContextTimeout(
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ctx,
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poll,
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timeout,
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true,
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func(ctx context.Context) (bool, error) {
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_, err := v.groupclient.VolumeGroupSnapshots(namespace).Get(ctx, volumeGroupSnapshotName, metav1.GetOptions{})
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if err != nil {
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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 true, nil
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}
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framework.Logf("%s VolumeGroupSnapshot to be deleted (%d seconds elapsed)",
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volumeGroupSnapshotName,
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int(time.Since(start).Seconds()))
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return false, fmt.Errorf("failed to get VolumeGroupSnapshot: %w", err)
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}
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return false, nil
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})
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}
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func (v volumeGroupSnapshotterBase) DeleteVolumeGroupSnapshotClass(groupSnapshotClassName string) error {
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ctx := context.TODO()
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err := v.groupclient.VolumeGroupSnapshotClasses().Delete(
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ctx, groupSnapshotClassName, metav1.DeleteOptions{})
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if err != nil {
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return fmt.Errorf("failed to delete VolumeGroupSnapshotClass: %w", err)
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}
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start := time.Now()
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framework.Logf("Waiting for VolumeGroupSnapshotClass %v to be deleted", groupSnapshotClassName)
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timeout := time.Duration(v.timeout) * time.Minute
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return wait.PollUntilContextTimeout(
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ctx,
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poll,
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timeout,
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true,
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func(ctx context.Context) (bool, error) {
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_, err := v.groupclient.VolumeGroupSnapshotClasses().Get(ctx, groupSnapshotClassName, metav1.GetOptions{})
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if err != nil {
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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 true, nil
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}
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framework.Logf("%s VolumeGroupSnapshotClass to be deleted (%d seconds elapsed)",
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groupSnapshotClassName,
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int(time.Since(start).Seconds()))
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return false, fmt.Errorf("failed to get VolumeGroupSnapshotClass: %w", err)
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}
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return false, nil
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})
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}
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func (v *volumeGroupSnapshotterBase) testVolumeGroupSnapshot(vol VolumeGroupSnapshotter) error {
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pvcLabels := map[string]string{"pvc": "vgsc"}
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pvcs, err := v.CreatePVCs(v.namespace, pvcLabels)
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if err != nil {
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return fmt.Errorf("failed to create PVCs: %w", err)
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}
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vgsc, err := vol.GetVolumeGroupSnapshotClass()
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if err != nil {
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return fmt.Errorf("failed to get volume group snapshot class: %w", err)
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}
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// Create a volume group snapshot class
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vgscName := v.framework.Namespace.Name + "-vgsc"
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vgsc.Name = vgscName
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err = v.CreateVolumeGroupSnapshotClass(vgsc)
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if err != nil {
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return fmt.Errorf("failed to create volume group snapshot: %w", err)
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}
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vgsName := v.framework.Namespace.Name + "-vgs"
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// Create a volume group snapshot
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volumeGroupSnapshot, err := v.CreateVolumeGroupSnapshot(vgsName, vgscName, pvcLabels)
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if err != nil {
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return fmt.Errorf("failed to create volume group snapshot: %w", err)
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}
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clonePVCs, err := v.CreatePVCClones(volumeGroupSnapshot)
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if err != nil {
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return fmt.Errorf("failed to create clones: %w", err)
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}
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// validate the resources in the backend
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err = vol.ValidateResourcesForCreate(volumeGroupSnapshot)
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if err != nil {
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return fmt.Errorf("failed to validate resources for create: %w", err)
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}
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// Delete the clones
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err = v.DeletePVCs(clonePVCs)
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if err != nil {
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return fmt.Errorf("failed to delete clones: %w", err)
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}
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// Delete the PVCs
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err = v.DeletePVCs(pvcs)
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if err != nil {
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return fmt.Errorf("failed to delete PVCs: %w", err)
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}
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// Delete the volume group snapshot
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err = v.DeleteVolumeGroupSnapshot(volumeGroupSnapshot.Name)
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if err != nil {
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return fmt.Errorf("failed to delete volume group snapshot: %w", err)
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}
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// validate the resources in the backend after deleting the resources
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err = vol.ValidateResourcesForDelete()
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if err != nil {
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return fmt.Errorf("failed to validate resources for delete: %w", err)
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}
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// Delete the volume group snapshot class
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err = v.DeleteVolumeGroupSnapshotClass(vgscName)
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if err != nil {
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return fmt.Errorf("failed to delete volume group snapshot class: %w", err)
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}
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return nil
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}
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