mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-24 14:00:19 +00:00
726dcf4da3
Add snapshot cloning and pvc cloning test cases for cephfs upgrade tests. Signed-off-by: Yug <yuggupta27@gmail.com>
392 lines
13 KiB
Go
392 lines
13 KiB
Go
package e2e
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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. "github.com/onsi/ginkgo" // nolint
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v1 "k8s.io/api/core/v1"
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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/version"
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clientset "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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var _ = Describe("CephFS Upgrade Testing", func() {
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f := framework.NewDefaultFramework("upgrade-test-cephfs")
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var (
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c clientset.Interface
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pvc *v1.PersistentVolumeClaim
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pvcClone *v1.PersistentVolumeClaim
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app *v1.Pod
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appClone *v1.Pod
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// cwd stores the initial working directory.
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cwd string
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err error
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// checkSum stores the md5sum of a file to verify uniqueness.
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checkSum string
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// newCheckSum stores the md5sum of a file in the cloned pvc.
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newCheckSum string
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v *version.Info
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)
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const (
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pvcSize = "2Gi"
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appKey = "app"
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appLabel = "cephfs-upgrade-testing"
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)
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// deploy cephfs CSI
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BeforeEach(func() {
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if !upgradeTesting || !testCephFS {
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Skip("Skipping CephFS Upgrade Test")
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}
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c = f.ClientSet
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if cephCSINamespace != defaultNs {
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err = createNamespace(c, cephCSINamespace)
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if err != nil {
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e2elog.Failf("failed to create namespace with error %v", err)
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}
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}
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// fetch current working directory to switch back
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// when we are done upgrading.
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cwd, err = os.Getwd()
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if err != nil {
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e2elog.Failf("failed to getwd with error %v", err)
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}
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err = upgradeAndDeployCSI(upgradeVersion, "cephfs")
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if err != nil {
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e2elog.Failf("failed to upgrade csi with error %v", err)
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}
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err = createConfigMap(cephfsDirPath, f.ClientSet, f)
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if err != nil {
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e2elog.Failf("failed to create configmap with error %v", err)
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}
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err = createCephfsSecret(f.ClientSet, f)
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if err != nil {
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e2elog.Failf("failed to create secret with error %v", err)
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}
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err = createCephFSSnapshotClass(f)
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if err != nil {
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e2elog.Failf("failed to create snapshotclass with error %v", err)
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}
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err = createCephfsStorageClass(f.ClientSet, f, true, nil)
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if err != nil {
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e2elog.Failf("failed to create storageclass with error %v", err)
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}
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})
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AfterEach(func() {
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if !testCephFS || !upgradeTesting {
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Skip("Skipping CephFS Upgrade Test")
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}
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if CurrentGinkgoTestDescription().Failed {
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// log pods created by helm chart
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logsCSIPods("app=ceph-csi-cephfs", c)
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// log provisoner
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logsCSIPods("app=csi-cephfsplugin-provisioner", c)
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// log node plugin
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logsCSIPods("app=csi-cephfsplugin", c)
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}
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err = deleteConfigMap(cephfsDirPath)
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if err != nil {
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e2elog.Failf("failed to delete configmap with error %v", err)
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}
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err = deleteResource(cephfsExamplePath + "secret.yaml")
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if err != nil {
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e2elog.Failf("failed to delete secret with error %v", err)
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}
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err = deleteResource(cephfsExamplePath + "storageclass.yaml")
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if err != nil {
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e2elog.Failf("failed to delete storageclass with error %v", err)
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}
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err = deleteResource(cephfsExamplePath + "snapshotclass.yaml")
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if err != nil {
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e2elog.Failf("failed to delete storageclass with error %v", err)
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}
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if deployCephFS {
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deleteCephfsPlugin()
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if cephCSINamespace != defaultNs {
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err = deleteNamespace(c, cephCSINamespace)
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if err != nil {
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if err != nil {
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e2elog.Failf("failed to delete namespace with error %v", err)
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}
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}
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}
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}
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})
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Context("Cephfs Upgrade Test", func() {
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It("Cephfs Upgrade Test", func() {
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By("checking provisioner deployment is running", func() {
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err = waitForDeploymentComplete(cephfsDeploymentName, cephCSINamespace, f.ClientSet, deployTimeout)
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if err != nil {
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e2elog.Failf("timeout waiting for deployment %s with error %v", cephfsDeploymentName, err)
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}
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})
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By("checking nodeplugin deamonset pods are running", func() {
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err = waitForDaemonSets(cephfsDeamonSetName, cephCSINamespace, f.ClientSet, deployTimeout)
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if err != nil {
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e2elog.Failf("timeout waiting for daemonset %s with error%v", cephfsDeamonSetName, err)
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}
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})
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By("upgrade to latest changes and verify app re-mount", func() {
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// TODO: fetch pvc size from spec.
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pvcPath := cephfsExamplePath + "pvc.yaml"
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appPath := cephfsExamplePath + "pod.yaml"
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data := "check data persists"
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label := make(map[string]string)
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v, err = f.ClientSet.Discovery().ServerVersion()
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if err != nil {
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e2elog.Failf("failed to get server version with error %v", err)
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}
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pvc, err = loadPVC(pvcPath)
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if pvc == nil {
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e2elog.Failf("failed to load pvc with error %v", err)
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}
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pvc.Namespace = f.UniqueName
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app, err = loadApp(appPath)
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if err != nil {
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e2elog.Failf("failed to load application with error %v", 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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pvc.Namespace = f.UniqueName
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pvc.Spec.Resources.Requests[v1.ResourceStorage] = resource.MustParse(pvcSize)
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err = createPVCAndApp("", f, pvc, app, deployTimeout)
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if err != nil {
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e2elog.Failf("failed to create pvc and application with error %v", err)
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}
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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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// fetch the path where volume is mounted.
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mountPath := app.Spec.Containers[0].VolumeMounts[0].MountPath
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filePath := filepath.Join(mountPath, "testClone")
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// create a test file at the mountPath.
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_, stdErr := execCommandInPodAndAllowFail(f, fmt.Sprintf("echo %s > %s", data, filePath), app.Namespace, &opt)
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if stdErr != "" {
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e2elog.Failf("failed to write data to a file %s", stdErr)
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}
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// force an immediate write of all cached data to disk.
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_, stdErr = execCommandInPodAndAllowFail(f, fmt.Sprintf("sync %s", filePath), app.Namespace, &opt)
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if stdErr != "" {
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e2elog.Failf("failed to sync data to a disk %s", stdErr)
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}
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e2elog.Logf("Calculating checksum of %s", filePath)
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checkSum, err = calculateSHA512sum(f, app, filePath, &opt)
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if err != nil {
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e2elog.Failf("failed to calculate checksum of %s", filePath)
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}
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// pvc clone is only supported from v1.16+
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if v.Major > "1" || (v.Major == "1" && v.Minor >= "17") {
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// Create snapshot of the pvc
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snapshotPath := cephfsExamplePath + "snapshot.yaml"
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snap := getSnapshot(snapshotPath)
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snap.Name = "cephfs-pvc-snapshot"
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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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e2elog.Failf("failed to create snapshot %v", err)
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}
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}
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err = deletePod(app.Name, app.Namespace, f.ClientSet, deployTimeout)
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if err != nil {
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e2elog.Failf("failed to delete application with error %v", err)
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}
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deleteCephfsPlugin()
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// switch back to current changes.
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err = os.Chdir(cwd)
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if err != nil {
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e2elog.Failf("failed to d chdir with error %v", err)
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}
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deployCephfsPlugin()
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app.Labels = label
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// validate if the app gets bound to a pvc created by
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// an earlier release.
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err = createApp(f.ClientSet, app, deployTimeout)
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if err != nil {
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e2elog.Failf("failed to create application with error %v", err)
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}
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})
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By("Create clone from a snapshot", func() {
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pvcClonePath := cephfsExamplePath + "pvc-restore.yaml"
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appClonePath := cephfsExamplePath + "pod-restore.yaml"
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label := make(map[string]string)
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v, err = f.ClientSet.Discovery().ServerVersion()
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if err != nil {
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e2elog.Failf("failed to get server version with error %v", err)
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}
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// pvc clone is only supported from v1.16+
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if v.Major > "1" || (v.Major == "1" && v.Minor >= "17") {
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pvcClone, err = loadPVC(pvcClonePath)
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if err != nil {
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e2elog.Failf("failed to load pvc with error %v", err)
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}
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pvcClone.Namespace = f.UniqueName
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pvcClone.Spec.Resources.Requests[v1.ResourceStorage] = resource.MustParse(pvcSize)
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appClone, err = loadApp(appClonePath)
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if err != nil {
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e2elog.Failf("failed to load application with error %v", err)
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}
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label[appKey] = "validate-snap-cephfs"
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appClone.Namespace = f.UniqueName
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appClone.Name = "snap-clone-cephfs"
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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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e2elog.Failf("failed to create pvc and application with error %v", err)
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}
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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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mountPath := appClone.Spec.Containers[0].VolumeMounts[0].MountPath
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testFilePath := filepath.Join(mountPath, "testClone")
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newCheckSum, err = calculateSHA512sum(f, appClone, testFilePath, &opt)
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if err != nil {
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e2elog.Failf("failed to calculate checksum of %s", testFilePath)
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}
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if strings.Compare(newCheckSum, checkSum) != 0 {
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e2elog.Failf("The checksum of files did not match, expected %s received %s ", checkSum, newCheckSum)
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}
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e2elog.Logf("The checksum of files matched")
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// delete cloned pvc and pod
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err = deletePVCAndApp("", f, pvcClone, appClone)
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if err != nil {
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Fail(err.Error())
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}
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// Delete the snapshot of the parent pvc.
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snapshotPath := cephfsExamplePath + "snapshot.yaml"
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snap := getSnapshot(snapshotPath)
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snap.Name = "cephfs-pvc-snapshot"
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snap.Namespace = f.UniqueName
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snap.Spec.Source.PersistentVolumeClaimName = &pvc.Name
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err = deleteSnapshot(&snap, deployTimeout)
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if err != nil {
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e2elog.Failf("failed to delete snapshot %v", err)
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}
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}
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})
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By("Create clone from existing PVC", func() {
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pvcSmartClonePath := cephfsExamplePath + "pvc-clone.yaml"
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appSmartClonePath := cephfsExamplePath + "pod-clone.yaml"
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label := make(map[string]string)
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v, err = f.ClientSet.Discovery().ServerVersion()
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if err != nil {
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e2elog.Failf("failed to get server version with error %v", err)
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Fail(err.Error())
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}
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// pvc clone is only supported from v1.16+
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if v.Major > "1" || (v.Major == "1" && v.Minor >= "16") {
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pvcClone, err = loadPVC(pvcSmartClonePath)
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if err != nil {
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e2elog.Failf("failed to load pvc with error %v", err)
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}
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pvcClone.Spec.DataSource.Name = pvc.Name
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pvcClone.Namespace = f.UniqueName
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pvcClone.Spec.Resources.Requests[v1.ResourceStorage] = resource.MustParse(pvcSize)
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appClone, err = loadApp(appSmartClonePath)
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if err != nil {
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e2elog.Failf("failed to load application with error %v", err)
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}
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label[appKey] = "validate-snap-cephfs"
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appClone.Namespace = f.UniqueName
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appClone.Name = "appclone"
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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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e2elog.Failf("failed to create pvc and application with error %v", err)
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}
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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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mountPath := appClone.Spec.Containers[0].VolumeMounts[0].MountPath
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testFilePath := filepath.Join(mountPath, "testClone")
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newCheckSum, err = calculateSHA512sum(f, appClone, testFilePath, &opt)
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if err != nil {
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e2elog.Failf("failed to calculate checksum of %s", testFilePath)
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}
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if strings.Compare(newCheckSum, checkSum) != 0 {
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e2elog.Failf("The checksum of files did not match, expected %s received %s", checkSum, newCheckSum)
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}
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e2elog.Logf("The checksum of files matched")
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// delete cloned pvc and pod
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err = deletePVCAndApp("", f, pvcClone, appClone)
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if err != nil {
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e2elog.Failf("failed to delete pvc and application with error %v", err)
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}
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}
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})
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By("Resize pvc and verify expansion", func() {
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var v *version.Info
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pvcExpandSize := "5Gi"
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label := make(map[string]string)
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v, err = f.ClientSet.Discovery().ServerVersion()
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if err != nil {
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e2elog.Failf("failed to get server version with error %v", err)
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}
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// Resize 0.3.0 is only supported from v1.15+
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if v.Major > "1" || (v.Major == "1" && v.Minor >= "15") {
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label[appKey] = appLabel
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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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pvc, err = f.ClientSet.CoreV1().PersistentVolumeClaims(pvc.Namespace).Get(context.TODO(), pvc.Name, metav1.GetOptions{})
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if err != nil {
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e2elog.Failf("failed to get pvc with error %v", err)
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}
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// resize PVC
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err = expandPVCSize(f.ClientSet, pvc, pvcExpandSize, deployTimeout)
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if err != nil {
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e2elog.Failf("failed to expand pvc with error %v", err)
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}
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// wait for application pod to come up after resize
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err = waitForPodInRunningState(app.Name, app.Namespace, f.ClientSet, deployTimeout)
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if err != nil {
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e2elog.Failf("timout waiting for pod to be in running state with error %v", err)
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}
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// validate if resize is successful.
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err = checkDirSize(app, f, &opt, pvcExpandSize)
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if err != nil {
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e2elog.Failf("failed to check directory size with error %v", err)
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}
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}
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})
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By("delete pvc and app")
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err = deletePVCAndApp("", f, pvc, app)
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if err != nil {
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e2elog.Failf("failed to delete pvc and application with error %v", err)
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}
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})
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})
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})
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