mirror of https://github.com/k3s-io/k3s
106 lines
3.5 KiB
Go
106 lines
3.5 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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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/kubernetes/test/e2e/framework"
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"k8s.io/kubernetes/test/e2e/storage/testsuites"
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"k8s.io/kubernetes/test/e2e/storage/utils"
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)
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var _ = utils.SIGDescribe("GenericPersistentVolume[Disruptive]", func() {
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f := framework.NewDefaultFramework("generic-disruptive-pv")
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var (
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c clientset.Interface
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ns string
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)
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BeforeEach(func() {
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// Skip tests unless number of nodes is 2
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framework.SkipUnlessNodeCountIsAtLeast(2)
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framework.SkipIfProviderIs("local")
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c = f.ClientSet
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ns = f.Namespace.Name
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})
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disruptiveTestTable := []disruptiveTest{
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{
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testItStmt: "Should test that a file written to the mount before kubelet restart is readable after restart.",
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runTest: utils.TestKubeletRestartsAndRestoresMount,
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},
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{
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testItStmt: "Should test that a volume mounted to a pod that is deleted while the kubelet is down unmounts when the kubelet returns.",
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runTest: utils.TestVolumeUnmountsFromDeletedPod,
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},
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{
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testItStmt: "Should test that a volume mounted to a pod that is force deleted while the kubelet is down unmounts when the kubelet returns.",
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runTest: utils.TestVolumeUnmountsFromForceDeletedPod,
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},
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}
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Context("When kubelet restarts", func() {
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// Test table housing the It() title string and test spec. runTest is type testBody, defined at
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// the start of this file. To add tests, define a function mirroring the testBody signature and assign
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// to runTest.
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var (
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clientPod *v1.Pod
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pvc *v1.PersistentVolumeClaim
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pv *v1.PersistentVolume
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)
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BeforeEach(func() {
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framework.Logf("Initializing pod and pvcs for test")
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clientPod, pvc, pv = createPodPVCFromSC(f, c, ns)
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})
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for _, test := range disruptiveTestTable {
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func(t disruptiveTest) {
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It(t.testItStmt, func() {
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By("Executing Spec")
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t.runTest(c, f, clientPod)
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})
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}(test)
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}
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AfterEach(func() {
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framework.Logf("Tearing down test spec")
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tearDownTestCase(c, f, ns, clientPod, pvc, pv, false)
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pvc, clientPod = nil, nil
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})
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})
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})
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func createPodPVCFromSC(f *framework.Framework, c clientset.Interface, ns string) (*v1.Pod, *v1.PersistentVolumeClaim, *v1.PersistentVolume) {
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var err error
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test := testsuites.StorageClassTest{
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Name: "default",
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ClaimSize: "2Gi",
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}
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pvc := newClaim(test, ns, "default")
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pvc, err = c.CoreV1().PersistentVolumeClaims(pvc.Namespace).Create(pvc)
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framework.ExpectNoError(err, "Error creating pvc")
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pvcClaims := []*v1.PersistentVolumeClaim{pvc}
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pvs, err := framework.WaitForPVClaimBoundPhase(c, pvcClaims, framework.ClaimProvisionTimeout)
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framework.ExpectNoError(err, "Failed waiting for PVC to be bound %v", err)
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Expect(len(pvs)).To(Equal(1))
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By("Creating a pod with dynamically provisioned volume")
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pod, err := framework.CreateNginxPod(c, ns, nil, pvcClaims)
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framework.ExpectNoError(err, "While creating pods for kubelet restart test")
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return pod, pvc, pvs[0]
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}
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