mirror of
https://github.com/ceph/ceph-csi.git
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25ce21f496
create a PVC and check PVC/PV metadata on cephFS subvolume Fixes: #2875 Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
315 lines
9.0 KiB
Go
315 lines
9.0 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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"encoding/json"
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"fmt"
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"regexp"
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"strings"
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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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v1 "k8s.io/api/core/v1"
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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/client-go/kubernetes"
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"k8s.io/kubernetes/test/e2e/framework"
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e2elog "k8s.io/kubernetes/test/e2e/framework/log"
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)
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const (
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adminUser = "admin"
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)
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// validateSubvolumegroup validates whether subvolumegroup is present.
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func validateSubvolumegroup(f *framework.Framework, subvolgrp string) error {
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cmd := fmt.Sprintf("ceph fs subvolumegroup getpath %s %s", fileSystemName, subvolgrp)
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stdOut, stdErr, err := execCommandInToolBoxPod(f, cmd, rookNamespace)
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if err != nil {
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return fmt.Errorf("failed to exec command in toolbox: %w", err)
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}
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if stdErr != "" {
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return fmt.Errorf("failed to getpath for subvolumegroup %s : %v", subvolgrp, stdErr)
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}
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expectedGrpPath := "/volumes/" + subvolgrp
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stdOut = strings.TrimSpace(stdOut)
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if stdOut != expectedGrpPath {
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return fmt.Errorf("error unexpected group path. Found: %s", stdOut)
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}
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return nil
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}
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func createCephfsStorageClass(
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c kubernetes.Interface,
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f *framework.Framework,
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enablePool bool,
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params map[string]string,
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) error {
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scPath := fmt.Sprintf("%s/%s", cephFSExamplePath, "storageclass.yaml")
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sc, err := getStorageClass(scPath)
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if err != nil {
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return err
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}
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sc.Parameters["fsName"] = fileSystemName
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sc.Parameters["csi.storage.k8s.io/provisioner-secret-namespace"] = cephCSINamespace
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sc.Parameters["csi.storage.k8s.io/provisioner-secret-name"] = cephFSProvisionerSecretName
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sc.Parameters["csi.storage.k8s.io/controller-expand-secret-namespace"] = cephCSINamespace
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sc.Parameters["csi.storage.k8s.io/controller-expand-secret-name"] = cephFSProvisionerSecretName
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sc.Parameters["csi.storage.k8s.io/node-stage-secret-namespace"] = cephCSINamespace
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sc.Parameters["csi.storage.k8s.io/node-stage-secret-name"] = cephFSNodePluginSecretName
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if enablePool {
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sc.Parameters["pool"] = "myfs-replicated"
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}
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// overload any parameters that were passed
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if params == nil {
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// create an empty params, so that params["clusterID"] below
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// does not panic
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params = map[string]string{}
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}
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for param, value := range params {
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sc.Parameters[param] = value
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}
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// fetch and set fsID from the cluster if not set in params
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if _, found := params["clusterID"]; !found {
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var fsID string
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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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}
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timeout := time.Duration(deployTimeout) * time.Minute
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return wait.PollImmediate(poll, timeout, func() (bool, error) {
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_, err = c.StorageV1().StorageClasses().Create(context.TODO(), &sc, metav1.CreateOptions{})
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if err != nil {
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e2elog.Logf("error creating StorageClass %q: %v", sc.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 StorageClass %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 createCephfsSecret(f *framework.Framework, secretName, userName, userKey string) error {
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scPath := fmt.Sprintf("%s/%s", cephFSExamplePath, "secret.yaml")
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sc, err := getSecret(scPath)
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if err != nil {
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return err
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}
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if secretName != "" {
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sc.Name = secretName
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}
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sc.StringData["adminID"] = userName
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sc.StringData["adminKey"] = userKey
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delete(sc.StringData, "userID")
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delete(sc.StringData, "userKey")
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sc.Namespace = cephCSINamespace
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_, err = f.ClientSet.CoreV1().Secrets(cephCSINamespace).Create(context.TODO(), &sc, metav1.CreateOptions{})
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return err
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}
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// unmountCephFSVolume unmounts a cephFS volume mounted on a pod.
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func unmountCephFSVolume(f *framework.Framework, appName, pvcName string) error {
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pod, err := f.ClientSet.CoreV1().Pods(f.UniqueName).Get(context.TODO(), appName, metav1.GetOptions{})
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if err != nil {
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e2elog.Logf("Error occurred getting pod %s in namespace %s", appName, f.UniqueName)
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return fmt.Errorf("failed to get pod: %w", err)
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}
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pvc, err := getPersistentVolumeClaim(f.ClientSet, f.UniqueName, pvcName)
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if err != nil {
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e2elog.Logf("Error occurred getting PVC %s in namespace %s", pvcName, f.UniqueName)
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return fmt.Errorf("failed to get pvc: %w", err)
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}
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cmd := fmt.Sprintf(
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"umount /var/lib/kubelet/pods/%s/volumes/kubernetes.io~csi/%s/mount",
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pod.UID,
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pvc.Spec.VolumeName)
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stdErr, err := execCommandInDaemonsetPod(
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f,
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cmd,
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cephFSDeamonSetName,
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pod.Spec.NodeName,
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cephFSContainerName,
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cephCSINamespace)
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if stdErr != "" {
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e2elog.Logf("StdErr occurred: %s", stdErr)
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}
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return err
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}
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func deleteBackingCephFSVolume(f *framework.Framework, pvc *v1.PersistentVolumeClaim) error {
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imageData, err := getImageInfoFromPVC(pvc.Namespace, pvc.Name, f)
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if err != nil {
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return err
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}
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cmd := fmt.Sprintf("ceph fs subvolume rm %s %s %s", fileSystemName, imageData.imageName, subvolumegroup)
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_, stdErr, err := execCommandInToolBoxPod(f, cmd, rookNamespace)
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if err != nil {
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return err
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}
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if stdErr != "" {
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return fmt.Errorf("error deleting backing volume %s %v", imageData.imageName, stdErr)
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}
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return nil
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}
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type cephfsSubVolume struct {
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Name string `json:"name"`
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}
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func listCephFSSubVolumes(f *framework.Framework, filesystem, groupname string) ([]cephfsSubVolume, error) {
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var subVols []cephfsSubVolume
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stdout, stdErr, err := execCommandInToolBoxPod(
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f,
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fmt.Sprintf("ceph fs subvolume ls %s --group_name=%s --format=json", filesystem, groupname),
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rookNamespace)
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if err != nil {
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return subVols, err
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}
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if stdErr != "" {
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return subVols, fmt.Errorf("error listing subolumes %v", stdErr)
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}
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err = json.Unmarshal([]byte(stdout), &subVols)
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if err != nil {
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return subVols, err
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}
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return subVols, nil
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}
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type cephfsSubvolumeMetadata struct {
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PVCNameKey string `json:"csi.storage.k8s.io/pvc/name"`
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PVCNamespaceKey string `json:"csi.storage.k8s.io/pvc/namespace"`
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PVNameKey string `json:"csi.storage.k8s.io/pv/name"`
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}
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func listCephFSSubvolumeMetadata(
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f *framework.Framework,
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filesystem,
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subvolume,
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groupname string,
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) (cephfsSubvolumeMetadata, error) {
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var metadata cephfsSubvolumeMetadata
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stdout, stdErr, err := execCommandInToolBoxPod(
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f,
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fmt.Sprintf("ceph fs subvolume metadata ls %s %s --group_name=%s --format=json", filesystem, subvolume, groupname),
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rookNamespace)
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if err != nil {
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return metadata, err
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}
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if stdErr != "" {
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return metadata, fmt.Errorf("error listing subvolume metadata %v", stdErr)
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}
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err = json.Unmarshal([]byte(stdout), &metadata)
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if err != nil {
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return metadata, err
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}
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return metadata, nil
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}
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// getSubvolumepath validates whether subvolumegroup is present.
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func getSubvolumePath(f *framework.Framework, filesystem, subvolgrp, subvolume string) (string, error) {
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cmd := fmt.Sprintf("ceph fs subvolume getpath %s %s --group_name=%s", filesystem, subvolume, subvolgrp)
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stdOut, stdErr, err := execCommandInToolBoxPod(f, cmd, rookNamespace)
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if err != nil {
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return "", err
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}
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if stdErr != "" {
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return "", fmt.Errorf("failed to getpath for subvolume %s : %s", subvolume, stdErr)
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}
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return strings.TrimSpace(stdOut), nil
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}
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func getSnapName(snapNamespace, snapName string) (string, 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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snap, err := sclient.
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VolumeSnapshots(snapNamespace).
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Get(context.TODO(), snapName, metav1.GetOptions{})
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if err != nil {
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return "", fmt.Errorf("failed to get volumesnapshot: %w", err)
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}
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sc, err := sclient.
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VolumeSnapshotContents().
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Get(context.TODO(), *snap.Status.BoundVolumeSnapshotContentName, metav1.GetOptions{})
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if err != nil {
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return "", fmt.Errorf("failed to get volumesnapshotcontent: %w", err)
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}
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snapIDRegex := regexp.MustCompile(`(\w+\-?){5}$`)
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snapID := snapIDRegex.FindString(*sc.Status.SnapshotHandle)
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snapshotName := fmt.Sprintf("csi-snap-%s", snapID)
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e2elog.Logf("snapshotName= %s", snapshotName)
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return snapshotName, nil
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}
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func deleteBackingCephFSSubvolumeSnapshot(
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f *framework.Framework,
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pvc *v1.PersistentVolumeClaim,
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snap *snapapi.VolumeSnapshot,
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) error {
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snapshotName, err := getSnapName(snap.Namespace, snap.Name)
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if err != nil {
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return err
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}
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imageData, err := getImageInfoFromPVC(pvc.Namespace, pvc.Name, f)
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if err != nil {
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return err
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}
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cmd := fmt.Sprintf(
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"ceph fs subvolume snapshot rm %s %s %s %s",
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fileSystemName,
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imageData.imageName,
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snapshotName,
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subvolumegroup)
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_, stdErr, err := execCommandInToolBoxPod(f, cmd, rookNamespace)
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if err != nil {
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return err
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}
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if stdErr != "" {
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return fmt.Errorf("error deleting backing snapshot %s %v", snapshotName, stdErr)
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}
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return nil
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}
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