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Add code to test snapshot,pvc clone and pvc block mode

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Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
Madhu Rajanna 2019-06-14 14:56:17 +05:30 committed by mergify[bot]
parent e32b649648
commit 1a2d71e580
4 changed files with 188 additions and 29 deletions
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5
e2e/cephfs.go
View File

@ -45,8 +45,8 @@ var _ = Describe("cephfs", func() {
res, err := framework.RunKubectl("delete", "-f", cephfsDirPath+file.Name())
framework.Logf("failed to delete resource in %s with err %v", res, err)
}
deleteSecret(cephfsExamplePath + "secret.yaml")
deleteStorageClass(cephfsExamplePath + "storageclass.yaml")
deleteResource(cephfsExamplePath + "secret.yaml")
deleteResource(cephfsExamplePath + "storageclass.yaml")
deleteFileSystem()
})
@ -78,6 +78,7 @@ var _ = Describe("cephfs", func() {
validateNormalUserPVCAccess(pvcPath, f)
})
})
})
})

1
e2e/e2e_test.go
View File

@ -23,7 +23,6 @@ func init() {
flag.BoolVar(&rookRequired, "deploy-rook", true, "deploy rook on kubernetes")
flag.IntVar(&deployTimeout, "deploy-timeout", 10, "timeout to wait for created kubernetes resources")
// Register framework flags, then handle flags
framework.HandleFlags()
framework.AfterReadingAllFlags(&framework.TestContext)

50
e2e/rbd.go
View File

@ -39,6 +39,7 @@ var _ = Describe("RBD", func() {
deployRBDPlugin()
createRBDStorageClass(f.ClientSet, f)
createRBDSecret(f.ClientSet, f)
})
AfterEach(func() {
@ -48,8 +49,9 @@ var _ = Describe("RBD", func() {
framework.Logf("failed to delete resource in %s with err %v", res, err)
}
deleteRBDPool()
deleteSecret(rbdExamplePath + "secret.yaml")
deleteStorageClass(rbdExamplePath + "storageclass.yaml")
deleteResource(rbdExamplePath + "secret.yaml")
deleteResource(rbdExamplePath + "storageclass.yaml")
deleteResource(rbdExamplePath + "snapshotclass.yaml")
})
Context("Test RBD CSI", func() {
@ -77,6 +79,50 @@ var _ = Describe("RBD", func() {
pvcPath := rbdExamplePath + "pvc.yaml"
validateNormalUserPVCAccess(pvcPath, f)
})
By("create a PVC clone and Bind it to an app", func() {
createRBDSnapshotClass(f)
pvcPath := rbdExamplePath + "pvc.yaml"
pvcClonePath := rbdExamplePath + "pvc-restore.yaml"
appClonePath := rbdExamplePath + "pod-restore.yaml"
snapshotPath := rbdExamplePath + "snapshot.yaml"
pvc, err := loadPVC(pvcPath)
if err != nil {
Fail(err.Error())
}
pvc.Namespace = f.UniqueName
framework.Logf("The PVC template %+v", pvc)
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
Fail(err.Error())
}
snap := getSnapshot(snapshotPath)
snap.Namespace = f.UniqueName
snap.Spec.Source.Name = pvc.Name
snap.Spec.Source.Kind = "PersistentVolumeClaim"
err = createSnapshot(&snap, deployTimeout)
if err != nil {
Fail(err.Error())
}
validatePVCAndAppBinding(pvcClonePath, appClonePath, f)
err = deleteSnapshot(&snap, deployTimeout)
if err != nil {
Fail(err.Error())
}
err = deletePVCAndValidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
Fail(err.Error())
}
})
By("create a block type PVC and Bind it to an app", func() {
pvcPath := rbdExamplePath + "raw-block-pvc.yaml"
appPath := rbdExamplePath + "raw-block-pod.yaml"
validatePVCAndAppBinding(pvcPath, appPath, f)
})
})
})

161
e2e/utils.go
View File

@ -9,13 +9,14 @@ import (
"strings"
"time"
apierrs "k8s.io/apimachinery/pkg/api/errors"
"github.com/kubernetes-csi/external-snapshotter/pkg/apis/volumesnapshot/v1alpha1"
snapClient "github.com/kubernetes-csi/external-snapshotter/pkg/client/clientset/versioned/typed/volumesnapshot/v1alpha1"
. "github.com/onsi/ginkgo" // nolint
. "github.com/onsi/gomega" // nolint
apps "k8s.io/api/apps/v1"
v1 "k8s.io/api/core/v1"
scv1 "k8s.io/api/storage/v1"
apierrs "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/wait"
utilyaml "k8s.io/apimachinery/pkg/util/yaml"
@ -141,19 +142,32 @@ func getMons(ns string, c kubernetes.Interface) []string {
return services
}
func getStorageClass(c kubernetes.Interface, path string) scv1.StorageClass {
func getStorageClass(path string) scv1.StorageClass {
sc := scv1.StorageClass{}
err := unmarshal(path, &sc)
Expect(err).Should(BeNil())
return sc
}
mons := getMons(rookNS, c)
sc.Parameters["monitors"] = strings.Join(mons, ",")
func getSnapshotClass(path string) v1alpha1.VolumeSnapshotClass {
sc := v1alpha1.VolumeSnapshotClass{}
sc.Kind = "VolumeSnapshotClass"
sc.APIVersion = "snapshot.storage.k8s.io/v1alpha1"
err := unmarshal(path, &sc)
Expect(err).Should(BeNil())
return sc
}
func getSnapshot(path string) v1alpha1.VolumeSnapshot {
sc := v1alpha1.VolumeSnapshot{}
err := unmarshal(path, &sc)
Expect(err).Should(BeNil())
return sc
}
func createCephfsStorageClass(c kubernetes.Interface, f *framework.Framework) {
scPath := fmt.Sprintf("%s/%s", cephfsExamplePath, "storageclass.yaml")
sc := getStorageClass(c, scPath)
sc := getStorageClass(scPath)
sc.Parameters["pool"] = "myfs-data0"
sc.Parameters["fsName"] = "myfs"
opt := metav1.ListOptions{
@ -170,7 +184,7 @@ func createCephfsStorageClass(c kubernetes.Interface, f *framework.Framework) {
func createRBDStorageClass(c kubernetes.Interface, f *framework.Framework) {
scPath := fmt.Sprintf("%s/%s", rbdExamplePath, "storageclass.yaml")
sc := getStorageClass(c, scPath)
sc := getStorageClass(scPath)
delete(sc.Parameters, "userid")
sc.Parameters["pool"] = "replicapool"
opt := metav1.ListOptions{
@ -185,6 +199,34 @@ func createRBDStorageClass(c kubernetes.Interface, f *framework.Framework) {
Expect(err).Should(BeNil())
}
func newSnapshotClient() (*snapClient.VolumesnapshotV1alpha1Client, error) {
config, err := framework.LoadConfig()
if err != nil {
return nil, fmt.Errorf("error creating client: %v", err.Error())
}
c, err := snapClient.NewForConfig(config)
if err != nil {
return nil, fmt.Errorf("error creating snapshot client: %v", err.Error())
}
return c, err
}
func createRBDSnapshotClass(f *framework.Framework) {
scPath := fmt.Sprintf("%s/%s", rbdExamplePath, "snapshotclass.yaml")
sc := getSnapshotClass(scPath)
opt := metav1.ListOptions{
LabelSelector: "app=rook-ceph-tools",
}
fsID := execCommandInPod(f, "ceph fsid", rookNS, &opt)
// remove new line present in fsID
fsID = strings.Trim(fsID, "\n")
sc.Parameters["clusterID"] = fsID
sclient, err := newSnapshotClient()
Expect(err).Should(BeNil())
_, err = sclient.VolumeSnapshotClasses().Create(&sc)
Expect(err).Should(BeNil())
}
func createConfigMap(c kubernetes.Interface, f *framework.Framework) {
path := rbdDirPath + rbdConfigMap
cm := v1.ConfigMap{}
@ -254,23 +296,18 @@ func createRBDSecret(c kubernetes.Interface, f *framework.Framework) {
Expect(err).Should(BeNil())
}
func deleteSecret(scPath string) {
func deleteResource(scPath string) {
_, err := framework.RunKubectl("delete", "-f", scPath)
Expect(err).Should(BeNil())
}
func deleteStorageClass(scPath string) {
_, err := framework.RunKubectl("delete", "-f", scPath)
Expect(err).Should(BeNil())
}
func loadPVC(path string) *v1.PersistentVolumeClaim {
func loadPVC(path string) (*v1.PersistentVolumeClaim, error) {
pvc := &v1.PersistentVolumeClaim{}
err := unmarshal(path, &pvc)
if err != nil {
return nil
return nil, err
}
return pvc
return pvc, err
}
func createPVCAndvalidatePV(c kubernetes.Interface, pvc *v1.PersistentVolumeClaim, t int) error {
@ -360,13 +397,13 @@ func deletePVCAndValidatePV(c kubernetes.Interface, pvc *v1.PersistentVolumeClai
})
}
func loadApp(path string) *v1.Pod {
func loadApp(path string) (*v1.Pod, error) {
app := v1.Pod{}
err := unmarshal(path, &app)
if err != nil {
return nil
return nil, err
}
return &app
return &app, nil
}
func createApp(c kubernetes.Interface, app *v1.Pod, timeout int) error {
@ -471,15 +508,21 @@ func checkCephPods(ns string, c kubernetes.Interface, count, t int, opt *metav1.
}
func validatePVCAndAppBinding(pvcPath, appPath string, f *framework.Framework) {
pvc := loadPVC(pvcPath)
pvc, err := loadPVC(pvcPath)
if pvc == nil {
Fail(err.Error())
}
pvc.Namespace = f.UniqueName
framework.Logf("The PVC template %+v", pvc)
err := createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
Fail(err.Error())
}
app := loadApp(appPath)
app, err := loadApp(appPath)
if err != nil {
Fail(err.Error())
}
app.Namespace = f.UniqueName
err = createApp(f.ClientSet, app, deployTimeout)
if err != nil {
@ -498,11 +541,14 @@ func validatePVCAndAppBinding(pvcPath, appPath string, f *framework.Framework) {
}
func validateNormalUserPVCAccess(pvcPath string, f *framework.Framework) {
pvc := loadPVC(pvcPath)
pvc, err := loadPVC(pvcPath)
if err != nil {
Fail(err.Error())
}
pvc.Namespace = f.UniqueName
pvc.Name = f.UniqueName
framework.Logf("The PVC template %+v", pvc)
err := createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
err = createPVCAndvalidatePV(f.ClientSet, pvc, deployTimeout)
if err != nil {
Fail(err.Error())
}
@ -569,3 +615,70 @@ func validateNormalUserPVCAccess(pvcPath string, f *framework.Framework) {
Fail(err.Error())
}
}
func createSnapshot(snap *v1alpha1.VolumeSnapshot, t int) error {
sclient, err := newSnapshotClient()
if err != nil {
return err
}
_, err = sclient.VolumeSnapshots(snap.Namespace).Create(snap)
if err != nil {
return err
}
timeout := time.Duration(t) * time.Minute
name := snap.Name
start := time.Now()
framework.Logf("Waiting up to %v to be in Ready state", snap)
return wait.PollImmediate(poll, timeout, func() (bool, error) {
framework.Logf("waiting for snapshot %s (%d seconds elapsed)", snap.Name, int(time.Since(start).Seconds()))
snaps, err := sclient.VolumeSnapshots(snap.Namespace).Get(name, metav1.GetOptions{})
if err != nil {
framework.Logf("Error getting snapshot in namespace: '%s': %v", snap.Namespace, err)
if testutils.IsRetryableAPIError(err) {
return false, nil
}
if apierrs.IsNotFound(err) {
return false, nil
}
return false, err
}
if snaps.Status.ReadyToUse {
return true, nil
}
return false, nil
})
}
func deleteSnapshot(snap *v1alpha1.VolumeSnapshot, t int) error {
sclient, err := newSnapshotClient()
if err != nil {
return err
}
err = sclient.VolumeSnapshots(snap.Namespace).Delete(snap.Name, &metav1.DeleteOptions{})
if err != nil {
return err
}
timeout := time.Duration(t) * time.Minute
name := snap.Name
start := time.Now()
framework.Logf("Waiting up to %v to be in Ready state", snap)
return wait.PollImmediate(poll, timeout, func() (bool, error) {
framework.Logf("waiting for snapshot %s (%d seconds elapsed)", name, int(time.Since(start).Seconds()))
_, err := sclient.VolumeSnapshots(snap.Namespace).Get(name, metav1.GetOptions{})
if err == nil {
return false, nil
}
if !apierrs.IsNotFound(err) {
return false, fmt.Errorf("get on deleted snapshot %v failed with error other than \"not found\": %v", name, err)
}
return false, nil
})
}