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127 lines
4.8 KiB
Go
127 lines
4.8 KiB
Go
/*
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Copyright 2018 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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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"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/labels"
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utilerrors "k8s.io/apimachinery/pkg/util/errors"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/kubernetes/pkg/util/slice"
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volumeutil "k8s.io/kubernetes/pkg/volume/util"
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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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)
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var _ = utils.SIGDescribe("PV Protection", func() {
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var (
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client clientset.Interface
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nameSpace string
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err error
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pvc *v1.PersistentVolumeClaim
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pv *v1.PersistentVolume
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pvConfig framework.PersistentVolumeConfig
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pvcConfig framework.PersistentVolumeClaimConfig
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volLabel labels.Set
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selector *metav1.LabelSelector
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)
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f := framework.NewDefaultFramework("pv-protection")
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BeforeEach(func() {
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client = f.ClientSet
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nameSpace = f.Namespace.Name
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framework.ExpectNoError(framework.WaitForAllNodesSchedulable(client, framework.TestContext.NodeSchedulableTimeout))
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// Enforce binding only within test space via selector labels
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volLabel = labels.Set{framework.VolumeSelectorKey: nameSpace}
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selector = metav1.SetAsLabelSelector(volLabel)
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pvConfig = framework.PersistentVolumeConfig{
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NamePrefix: "hostpath-",
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Labels: volLabel,
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PVSource: v1.PersistentVolumeSource{
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HostPath: &v1.HostPathVolumeSource{
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Path: "/tmp/data",
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},
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},
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}
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emptyStorageClass := ""
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pvcConfig = framework.PersistentVolumeClaimConfig{
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Selector: selector,
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StorageClassName: &emptyStorageClass,
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}
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By("Creating a PV")
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// make the pv definitions
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pv = framework.MakePersistentVolume(pvConfig)
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// create the PV
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pv, err = client.CoreV1().PersistentVolumes().Create(pv)
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Expect(err).NotTo(HaveOccurred(), "Error creating PV")
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By("Checking that PV Protection finalizer is set")
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pv, err = client.CoreV1().PersistentVolumes().Get(pv.Name, metav1.GetOptions{})
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Expect(err).NotTo(HaveOccurred(), "While getting PV status")
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Expect(slice.ContainsString(pv.ObjectMeta.Finalizers, volumeutil.PVProtectionFinalizer, nil)).To(BeTrue())
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})
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AfterEach(func() {
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framework.Logf("AfterEach: Cleaning up test resources.")
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if errs := framework.PVPVCCleanup(client, nameSpace, pv, pvc); len(errs) > 0 {
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framework.Failf("AfterEach: Failed to delete PVC and/or PV. Errors: %v", utilerrors.NewAggregate(errs))
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}
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})
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It("Verify \"immediate\" deletion of a PV that is not bound to a PVC", func() {
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By("Deleting the PV")
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err = client.CoreV1().PersistentVolumes().Delete(pv.Name, metav1.NewDeleteOptions(0))
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Expect(err).NotTo(HaveOccurred(), "Error deleting PV")
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framework.WaitForPersistentVolumeDeleted(client, pv.Name, framework.Poll, framework.PVDeletingTimeout)
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})
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It("Verify that PV bound to a PVC is not removed immediately", func() {
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By("Creating a PVC")
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pvc = framework.MakePersistentVolumeClaim(pvcConfig, nameSpace)
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pvc, err = client.CoreV1().PersistentVolumeClaims(pvc.Namespace).Create(pvc)
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Expect(err).NotTo(HaveOccurred(), "Error creating PVC")
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By("Waiting for PVC to become Bound")
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err = framework.WaitForPersistentVolumeClaimPhase(v1.ClaimBound, client, nameSpace, pvc.Name, framework.Poll, framework.ClaimBindingTimeout)
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Expect(err).NotTo(HaveOccurred(), "Failed waiting for PVC to be bound %v", err)
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By("Deleting the PV, however, the PV must not be removed from the system as it's bound to a PVC")
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err = client.CoreV1().PersistentVolumes().Delete(pv.Name, metav1.NewDeleteOptions(0))
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Expect(err).NotTo(HaveOccurred(), "Error deleting PV")
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By("Checking that the PV status is Terminating")
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pv, err = client.CoreV1().PersistentVolumes().Get(pv.Name, metav1.GetOptions{})
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Expect(err).NotTo(HaveOccurred(), "While checking PV status")
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Expect(pv.ObjectMeta.DeletionTimestamp).NotTo(Equal(nil))
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By("Deleting the PVC that is bound to the PV")
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err = client.CoreV1().PersistentVolumeClaims(pvc.Namespace).Delete(pvc.Name, metav1.NewDeleteOptions(0))
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Expect(err).NotTo(HaveOccurred(), "Error deleting PVC")
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By("Checking that the PV is automatically removed from the system because it's no longer bound to a PVC")
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framework.WaitForPersistentVolumeDeleted(client, pv.Name, framework.Poll, framework.PVDeletingTimeout)
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})
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})
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