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Add conformance test for CSIInlineVolume feature
This commit is contained in:
Jonathan Dobson
parent
5f774832a5
commit
0ee8fed853
@ -154,7 +154,7 @@ type VolumeSource struct {
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// StorageOS represents a StorageOS volume that is attached to the kubelet's host machine and mounted into the pod
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// +optional
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StorageOS *StorageOSVolumeSource
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// CSI (Container Storage Interface) represents ephemeral storage that is handled by certain external CSI drivers (Beta feature).
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// CSI (Container Storage Interface) represents ephemeral storage that is handled by certain external CSI drivers.
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// +optional
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CSI *CSIVolumeSource
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// Ephemeral represents a volume that is handled by a cluster storage driver.
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217
test/e2e/storage/csi_inline.go
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217
test/e2e/storage/csi_inline.go
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@ -0,0 +1,217 @@
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/*
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Copyright 2022 The Kubernetes 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 storage
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import (
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"context"
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v1 "k8s.io/api/core/v1"
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storagev1 "k8s.io/api/storage/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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types "k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/uuid"
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"k8s.io/kubernetes/test/e2e/framework"
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"k8s.io/kubernetes/test/e2e/storage/utils"
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imageutils "k8s.io/kubernetes/test/utils/image"
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admissionapi "k8s.io/pod-security-admission/api"
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"github.com/onsi/ginkgo/v2"
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)
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var _ = utils.SIGDescribe("CSIInlineVolumes", func() {
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f := framework.NewDefaultFramework("csiinlinevolumes")
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f.NamespacePodSecurityEnforceLevel = admissionapi.LevelPrivileged
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// TODO: promote to framework.ConformanceIt
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ginkgo.It("should support ephemeral VolumeLifecycleMode in CSIDriver API", func() {
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// Create client
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client := f.ClientSet.StorageV1().CSIDrivers()
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defaultFSGroupPolicy := storagev1.ReadWriteOnceWithFSTypeFSGroupPolicy
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// Driver that supports only Ephemeral
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driver1 := &storagev1.CSIDriver{
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ObjectMeta: metav1.ObjectMeta{
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Name: "inline-driver-" + string(uuid.NewUUID()),
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},
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Spec: storagev1.CSIDriverSpec{
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VolumeLifecycleModes: []storagev1.VolumeLifecycleMode{storagev1.VolumeLifecycleEphemeral},
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FSGroupPolicy: &defaultFSGroupPolicy,
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},
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}
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// Driver that supports both Ephemeral and Persistent
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driver2 := &storagev1.CSIDriver{
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ObjectMeta: metav1.ObjectMeta{
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Name: "inline-driver-" + string(uuid.NewUUID()),
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},
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Spec: storagev1.CSIDriverSpec{
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VolumeLifecycleModes: []storagev1.VolumeLifecycleMode{
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storagev1.VolumeLifecyclePersistent,
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storagev1.VolumeLifecycleEphemeral,
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},
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FSGroupPolicy: &defaultFSGroupPolicy,
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},
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}
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ginkgo.By("listing existing drivers")
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driverList, err := client.List(context.TODO(), metav1.ListOptions{})
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framework.ExpectNoError(err)
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numDriversBefore := len(driverList.Items)
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numDriversAfter := numDriversBefore + 2
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ginkgo.By("creating")
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createdDriver1, err := client.Create(context.TODO(), driver1, metav1.CreateOptions{})
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framework.ExpectNoError(err)
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createdDriver2, err := client.Create(context.TODO(), driver2, metav1.CreateOptions{})
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framework.ExpectNoError(err)
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_, err = client.Create(context.TODO(), driver1, metav1.CreateOptions{})
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if !apierrors.IsAlreadyExists(err) {
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framework.Failf("expected 409, got %#v", err)
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}
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ginkgo.By("getting")
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retrievedDriver1, err := client.Get(context.TODO(), createdDriver1.Name, metav1.GetOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(retrievedDriver1.UID, createdDriver1.UID)
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retrievedDriver2, err := client.Get(context.TODO(), createdDriver2.Name, metav1.GetOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(retrievedDriver2.UID, createdDriver2.UID)
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ginkgo.By("listing")
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driverList, err = client.List(context.TODO(), metav1.ListOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(len(driverList.Items), numDriversAfter, "list should have %d items, got: %s", numDriversAfter, driverList)
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ginkgo.By("deleting")
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err = client.Delete(context.TODO(), createdDriver1.Name, metav1.DeleteOptions{})
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framework.ExpectNoError(err)
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err = client.Delete(context.TODO(), createdDriver2.Name, metav1.DeleteOptions{})
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framework.ExpectNoError(err)
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driverList, err = client.List(context.TODO(), metav1.ListOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(len(driverList.Items), numDriversBefore, "list should have %d items, got: %s", numDriversBefore, driverList)
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})
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// TODO: promote to framework.ConformanceIt
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ginkgo.It("should support CSIVolumeSource in Pod API", func() {
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// Create client
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client := f.ClientSet.CoreV1().Pods(f.Namespace.Name)
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// Fake driver name for this API test
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driverName := "e2e.example.com"
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podName := "pod-csi-inline-volumes"
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vol1name := "csi-inline-vol1"
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vol2name := "csi-inline-vol2"
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vol2fstype := "ext4"
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vol2readonly := true
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// Create a simple pod object with 2 CSI inline volumes
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pod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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},
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Spec: v1.PodSpec{
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Volumes: []v1.Volume{
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{
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Name: vol1name,
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VolumeSource: v1.VolumeSource{
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CSI: &v1.CSIVolumeSource{
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Driver: driverName,
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},
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},
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},
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{
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Name: vol2name,
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VolumeSource: v1.VolumeSource{
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CSI: &v1.CSIVolumeSource{
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Driver: driverName,
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FSType: &vol2fstype,
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ReadOnly: &vol2readonly,
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},
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},
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},
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},
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Containers: []v1.Container{
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{
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Name: podName,
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Image: imageutils.GetE2EImage(imageutils.BusyBox),
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Command: []string{"sh", "-c", "ls /mnt/*"},
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VolumeMounts: []v1.VolumeMount{
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{
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Name: vol1name,
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MountPath: "/mnt/vol1",
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},
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{
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Name: vol2name,
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MountPath: "/mnt/vol2",
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},
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},
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},
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},
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},
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}
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ginkgo.By("creating")
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createdPod, err := client.Create(context.TODO(), pod, metav1.CreateOptions{})
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framework.ExpectNoError(err)
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_, err = client.Create(context.TODO(), pod, metav1.CreateOptions{})
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if !apierrors.IsAlreadyExists(err) {
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framework.Failf("expected 409, got %#v", err)
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}
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ginkgo.By("getting")
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retrievedPod, err := client.Get(context.TODO(), podName, metav1.GetOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(retrievedPod.UID, createdPod.UID)
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ginkgo.By("listing in namespace")
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podList, err := client.List(context.TODO(), metav1.ListOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(len(podList.Items), 1, "list should have 1 items, got: %s", podList)
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ginkgo.By("patching")
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patchedPod, err := client.Patch(context.TODO(), createdPod.Name, types.MergePatchType, []byte(`{"metadata":{"annotations":{"patched":"true"}}}`), metav1.PatchOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(patchedPod.Annotations["patched"], "true", "patched object should have the applied annotation")
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ginkgo.By("updating")
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podToUpdate := patchedPod.DeepCopy()
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podToUpdate.Annotations["updated"] = "true"
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updatedPod, err := client.Update(context.TODO(), podToUpdate, metav1.UpdateOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(updatedPod.Annotations["updated"], "true", "updated object should have the applied annotation")
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ginkgo.By("deleting")
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err = client.Delete(context.TODO(), createdPod.Name, metav1.DeleteOptions{})
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framework.ExpectNoError(err)
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retrievedPod, err = client.Get(context.TODO(), createdPod.Name, metav1.GetOptions{})
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switch {
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case apierrors.IsNotFound(err):
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// Okay, normal case.
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case err != nil:
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framework.Failf("expected 404, got %#v", err)
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case retrievedPod.DeletionTimestamp != nil:
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// Okay, normal case.
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default:
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framework.Failf("Pod should have been deleted or have DeletionTimestamp, but instead got: %s", retrievedPod)
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}
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})
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})
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