mirror of
https://github.com/k3s-io/kubernetes.git
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650 lines
24 KiB
Go
650 lines
24 KiB
Go
/*
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Copyright 2015 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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"fmt"
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mathrand "math/rand"
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"strings"
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"time"
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"google.golang.org/api/googleapi"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/session"
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"github.com/aws/aws-sdk-go/service/ec2"
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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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policy "k8s.io/api/policy/v1beta1"
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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/types"
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"k8s.io/apimachinery/pkg/util/uuid"
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"k8s.io/apimachinery/pkg/util/wait"
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clientset "k8s.io/client-go/kubernetes"
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v1core "k8s.io/client-go/kubernetes/typed/core/v1"
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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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const (
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gcePDDetachTimeout = 10 * time.Minute
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gcePDDetachPollTime = 10 * time.Second
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nodeStatusTimeout = 10 * time.Minute
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nodeStatusPollTime = 1 * time.Second
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podEvictTimeout = 2 * time.Minute
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maxReadRetry = 3
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minNodes = 2
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)
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var _ = utils.SIGDescribe("Pod Disks", func() {
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var (
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ns string
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cs clientset.Interface
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podClient v1core.PodInterface
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nodeClient v1core.NodeInterface
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host0Name types.NodeName
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host1Name types.NodeName
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nodes *v1.NodeList
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)
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f := framework.NewDefaultFramework("pod-disks")
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BeforeEach(func() {
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framework.SkipUnlessNodeCountIsAtLeast(minNodes)
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cs = f.ClientSet
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ns = f.Namespace.Name
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framework.SkipIfMultizone(cs)
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podClient = cs.CoreV1().Pods(ns)
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nodeClient = cs.CoreV1().Nodes()
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nodes = framework.GetReadySchedulableNodesOrDie(cs)
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Expect(len(nodes.Items)).To(BeNumerically(">=", minNodes), fmt.Sprintf("Requires at least %d nodes", minNodes))
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host0Name = types.NodeName(nodes.Items[0].ObjectMeta.Name)
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host1Name = types.NodeName(nodes.Items[1].ObjectMeta.Name)
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mathrand.Seed(time.Now().UTC().UnixNano())
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})
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Context("schedule pods each with a PD, delete pod and verify detach [Slow]", func() {
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const (
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podDefaultGrace = "default (30s)"
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podImmediateGrace = "immediate (0s)"
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)
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var readOnlyMap = map[bool]string{
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true: "read-only",
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false: "RW",
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}
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type testT struct {
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descr string // It description
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readOnly bool // true means pd is read-only
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deleteOpt *metav1.DeleteOptions // pod delete option
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}
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tests := []testT{
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{
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descr: podImmediateGrace,
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readOnly: false,
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deleteOpt: metav1.NewDeleteOptions(0),
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},
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{
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descr: podDefaultGrace,
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readOnly: false,
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deleteOpt: &metav1.DeleteOptions{},
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},
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{
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descr: podImmediateGrace,
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readOnly: true,
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deleteOpt: metav1.NewDeleteOptions(0),
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},
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{
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descr: podDefaultGrace,
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readOnly: true,
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deleteOpt: &metav1.DeleteOptions{},
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},
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}
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for _, t := range tests {
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podDelOpt := t.deleteOpt
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readOnly := t.readOnly
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readOnlyTxt := readOnlyMap[readOnly]
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It(fmt.Sprintf("for %s PD with pod delete grace period of %q", readOnlyTxt, t.descr), func() {
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framework.SkipUnlessProviderIs("gce", "gke", "aws")
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if readOnly {
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framework.SkipIfProviderIs("aws")
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}
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By("creating PD")
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diskName, err := framework.CreatePDWithRetry()
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framework.ExpectNoError(err, "Error creating PD")
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var fmtPod *v1.Pod
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if readOnly {
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// if all test pods are RO then need a RW pod to format pd
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By("creating RW fmt Pod to ensure PD is formatted")
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fmtPod = testPDPod([]string{diskName}, host0Name, false, 1)
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_, err = podClient.Create(fmtPod)
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framework.ExpectNoError(err, "Failed to create fmtPod")
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framework.ExpectNoError(f.WaitForPodRunningSlow(fmtPod.Name))
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By("deleting the fmtPod")
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framework.ExpectNoError(podClient.Delete(fmtPod.Name, metav1.NewDeleteOptions(0)), "Failed to delete fmtPod")
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framework.Logf("deleted fmtPod %q", fmtPod.Name)
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By("waiting for PD to detach")
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framework.ExpectNoError(waitForPDDetach(diskName, host0Name))
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}
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// prepare to create two test pods on separate nodes
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host0Pod := testPDPod([]string{diskName}, host0Name, readOnly, 1)
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host1Pod := testPDPod([]string{diskName}, host1Name, readOnly, 1)
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defer func() {
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// Teardown should do nothing unless test failed
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By("defer: cleaning up PD-RW test environment")
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framework.Logf("defer cleanup errors can usually be ignored")
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if fmtPod != nil {
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podClient.Delete(fmtPod.Name, podDelOpt)
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}
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podClient.Delete(host0Pod.Name, podDelOpt)
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podClient.Delete(host1Pod.Name, podDelOpt)
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detachAndDeletePDs(diskName, []types.NodeName{host0Name, host1Name})
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}()
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By("creating host0Pod on node0")
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_, err = podClient.Create(host0Pod)
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framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod: %v", err))
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framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
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framework.Logf("host0Pod: %q, node0: %q", host0Pod.Name, host0Name)
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var containerName, testFile, testFileContents string
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if !readOnly {
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By("writing content to host0Pod on node0")
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containerName = "mycontainer"
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testFile = "/testpd1/tracker"
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testFileContents = fmt.Sprintf("%v", mathrand.Int())
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framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFile, testFileContents))
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framework.Logf("wrote %q to file %q in pod %q on node %q", testFileContents, testFile, host0Pod.Name, host0Name)
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By("verifying PD is present in node0's VolumeInUse list")
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framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, true /* shouldExist */))
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By("deleting host0Pod") // delete this pod before creating next pod
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framework.ExpectNoError(podClient.Delete(host0Pod.Name, podDelOpt), "Failed to delete host0Pod")
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framework.Logf("deleted host0Pod %q", host0Pod.Name)
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}
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By("creating host1Pod on node1")
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_, err = podClient.Create(host1Pod)
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framework.ExpectNoError(err, "Failed to create host1Pod")
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framework.ExpectNoError(f.WaitForPodRunningSlow(host1Pod.Name))
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framework.Logf("host1Pod: %q, node1: %q", host1Pod.Name, host1Name)
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if readOnly {
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By("deleting host0Pod")
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framework.ExpectNoError(podClient.Delete(host0Pod.Name, podDelOpt), "Failed to delete host0Pod")
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framework.Logf("deleted host0Pod %q", host0Pod.Name)
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} else {
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By("verifying PD contents in host1Pod")
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verifyPDContentsViaContainer(f, host1Pod.Name, containerName, map[string]string{testFile: testFileContents})
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framework.Logf("verified PD contents in pod %q", host1Pod.Name)
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By("verifying PD is removed from node0")
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framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, false /* shouldExist */))
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framework.Logf("PD %q removed from node %q's VolumeInUse list", diskName, host1Pod.Name)
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}
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By("deleting host1Pod")
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framework.ExpectNoError(podClient.Delete(host1Pod.Name, podDelOpt), "Failed to delete host1Pod")
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framework.Logf("deleted host1Pod %q", host1Pod.Name)
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By("Test completed successfully, waiting for PD to detach from both nodes")
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waitForPDDetach(diskName, host0Name)
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waitForPDDetach(diskName, host1Name)
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})
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}
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})
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Context("schedule a pod w/ RW PD(s) mounted to 1 or more containers, write to PD, verify content, delete pod, and repeat in rapid succession [Slow]", func() {
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type testT struct {
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numContainers int
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numPDs int
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repeatCnt int
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}
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tests := []testT{
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{
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numContainers: 4,
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numPDs: 1,
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repeatCnt: 3,
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},
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{
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numContainers: 1,
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numPDs: 2,
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repeatCnt: 3,
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},
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}
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for _, t := range tests {
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numPDs := t.numPDs
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numContainers := t.numContainers
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It(fmt.Sprintf("using %d containers and %d PDs", numContainers, numPDs), func() {
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framework.SkipUnlessProviderIs("gce", "gke", "aws")
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var host0Pod *v1.Pod
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var err error
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fileAndContentToVerify := make(map[string]string)
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diskNames := make([]string, 0, numPDs)
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By(fmt.Sprintf("creating %d PD(s)", numPDs))
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for i := 0; i < numPDs; i++ {
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name, err := framework.CreatePDWithRetry()
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framework.ExpectNoError(err, fmt.Sprintf("Error creating PD %d", i))
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diskNames = append(diskNames, name)
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}
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defer func() {
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// Teardown should do nothing unless test failed.
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By("defer: cleaning up PD-RW test environment")
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framework.Logf("defer cleanup errors can usually be ignored")
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if host0Pod != nil {
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podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0))
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}
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for _, diskName := range diskNames {
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detachAndDeletePDs(diskName, []types.NodeName{host0Name})
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}
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}()
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for i := 0; i < t.repeatCnt; i++ { // "rapid" repeat loop
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framework.Logf("PD Read/Writer Iteration #%v", i)
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By(fmt.Sprintf("creating host0Pod with %d containers on node0", numContainers))
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host0Pod = testPDPod(diskNames, host0Name, false /* readOnly */, numContainers)
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_, err = podClient.Create(host0Pod)
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framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod: %v", err))
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framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
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By(fmt.Sprintf("writing %d file(s) via a container", numPDs))
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containerName := "mycontainer"
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if numContainers > 1 {
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containerName = fmt.Sprintf("mycontainer%v", mathrand.Intn(numContainers)+1)
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}
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for x := 1; x <= numPDs; x++ {
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testFile := fmt.Sprintf("/testpd%d/tracker%d", x, i)
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testFileContents := fmt.Sprintf("%v", mathrand.Int())
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fileAndContentToVerify[testFile] = testFileContents
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framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFile, testFileContents))
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framework.Logf("wrote %q to file %q in pod %q (container %q) on node %q", testFileContents, testFile, host0Pod.Name, containerName, host0Name)
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}
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By("verifying PD contents via a container")
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if numContainers > 1 {
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containerName = fmt.Sprintf("mycontainer%v", mathrand.Intn(numContainers)+1)
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}
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verifyPDContentsViaContainer(f, host0Pod.Name, containerName, fileAndContentToVerify)
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By("deleting host0Pod")
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framework.ExpectNoError(podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0)), "Failed to delete host0Pod")
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}
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By(fmt.Sprintf("Test completed successfully, waiting for %d PD(s) to detach from node0", numPDs))
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for _, diskName := range diskNames {
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waitForPDDetach(diskName, host0Name)
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}
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})
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}
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})
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Context("detach in a disrupted environment [Slow] [Disruptive]", func() {
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const (
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deleteNode = 1 // delete physical node
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deleteNodeObj = 2 // delete node's api object only
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evictPod = 3 // evict host0Pod on node0
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)
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type testT struct {
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descr string // It description
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disruptOp int // disruptive operation performed on target node
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}
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tests := []testT{
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{
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descr: "node is deleted",
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disruptOp: deleteNode,
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},
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{
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descr: "node's API object is deleted",
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disruptOp: deleteNodeObj,
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},
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{
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descr: "pod is evicted",
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disruptOp: evictPod,
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},
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}
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for _, t := range tests {
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disruptOp := t.disruptOp
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It(fmt.Sprintf("when %s", t.descr), func() {
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framework.SkipUnlessProviderIs("gce")
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origNodeCnt := len(nodes.Items) // healhy nodes running kublet
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By("creating a pd")
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diskName, err := framework.CreatePDWithRetry()
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framework.ExpectNoError(err, "Error creating a pd")
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targetNode := &nodes.Items[0] // for node delete ops
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host0Pod := testPDPod([]string{diskName}, host0Name, false, 1)
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containerName := "mycontainer"
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defer func() {
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By("defer: cleaning up PD-RW test env")
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framework.Logf("defer cleanup errors can usually be ignored")
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By("defer: delete host0Pod")
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podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0))
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By("defer: detach and delete PDs")
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detachAndDeletePDs(diskName, []types.NodeName{host0Name})
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if disruptOp == deleteNode || disruptOp == deleteNodeObj {
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if disruptOp == deleteNodeObj {
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targetNode.ObjectMeta.SetResourceVersion("0")
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// need to set the resource version or else the Create() fails
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By("defer: re-create host0 node object")
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_, err := nodeClient.Create(targetNode)
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framework.ExpectNoError(err, fmt.Sprintf("defer: Unable to re-create the deleted node object %q", targetNode.Name))
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}
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By("defer: verify the number of ready nodes")
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numNodes := countReadyNodes(cs, host0Name)
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// if this defer is reached due to an Expect then nested
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// Expects are lost, so use Failf here
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if numNodes != origNodeCnt {
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framework.Failf("defer: Requires current node count (%d) to return to original node count (%d)", numNodes, origNodeCnt)
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}
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}
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}()
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By("creating host0Pod on node0")
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_, err = podClient.Create(host0Pod)
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framework.ExpectNoError(err, fmt.Sprintf("Failed to create host0Pod: %v", err))
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By("waiting for host0Pod to be running")
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framework.ExpectNoError(f.WaitForPodRunningSlow(host0Pod.Name))
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By("writing content to host0Pod")
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testFile := "/testpd1/tracker"
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testFileContents := fmt.Sprintf("%v", mathrand.Int())
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framework.ExpectNoError(f.WriteFileViaContainer(host0Pod.Name, containerName, testFile, testFileContents))
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framework.Logf("wrote %q to file %q in pod %q on node %q", testFileContents, testFile, host0Pod.Name, host0Name)
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By("verifying PD is present in node0's VolumeInUse list")
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framework.ExpectNoError(waitForPDInVolumesInUse(nodeClient, diskName, host0Name, nodeStatusTimeout, true /* should exist*/))
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if disruptOp == deleteNode {
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By("getting gce instances")
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gceCloud, err := framework.GetGCECloud()
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framework.ExpectNoError(err, fmt.Sprintf("Unable to create gcloud client err=%v", err))
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output, err := gceCloud.ListInstanceNames(framework.TestContext.CloudConfig.ProjectID, framework.TestContext.CloudConfig.Zone)
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framework.ExpectNoError(err, fmt.Sprintf("Unable to get list of node instances err=%v output=%s", err, output))
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Expect(true, strings.Contains(string(output), string(host0Name)))
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By("deleting host0")
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err = gceCloud.DeleteInstance(framework.TestContext.CloudConfig.ProjectID, framework.TestContext.CloudConfig.Zone, string(host0Name))
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framework.ExpectNoError(err, fmt.Sprintf("Failed to delete host0Pod: err=%v", err))
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By("expecting host0 node to be re-created")
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numNodes := countReadyNodes(cs, host0Name)
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Expect(numNodes).To(Equal(origNodeCnt), fmt.Sprintf("Requires current node count (%d) to return to original node count (%d)", numNodes, origNodeCnt))
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output, err = gceCloud.ListInstanceNames(framework.TestContext.CloudConfig.ProjectID, framework.TestContext.CloudConfig.Zone)
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framework.ExpectNoError(err, fmt.Sprintf("Unable to get list of node instances err=%v output=%s", err, output))
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Expect(false, strings.Contains(string(output), string(host0Name)))
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} else if disruptOp == deleteNodeObj {
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By("deleting host0's node api object")
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framework.ExpectNoError(nodeClient.Delete(string(host0Name), metav1.NewDeleteOptions(0)), "Unable to delete host0's node object")
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By("deleting host0Pod")
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framework.ExpectNoError(podClient.Delete(host0Pod.Name, metav1.NewDeleteOptions(0)), "Unable to delete host0Pod")
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} else if disruptOp == evictPod {
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evictTarget := &policy.Eviction{
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ObjectMeta: metav1.ObjectMeta{
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Name: host0Pod.Name,
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Namespace: ns,
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},
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}
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By("evicting host0Pod")
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err = wait.PollImmediate(framework.Poll, podEvictTimeout, func() (bool, error) {
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err = cs.CoreV1().Pods(ns).Evict(evictTarget)
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if err != nil {
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return false, nil
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} else {
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return true, nil
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}
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})
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Expect(err).NotTo(HaveOccurred(), fmt.Sprintf("failed to evict host0Pod after %v", podEvictTimeout))
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}
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By("waiting for pd to detach from host0")
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waitForPDDetach(diskName, host0Name)
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})
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}
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})
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It("should be able to delete a non-existent PD without error", func() {
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framework.SkipUnlessProviderIs("gce")
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By("delete a PD")
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framework.ExpectNoError(framework.DeletePDWithRetry("non-exist"))
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})
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})
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func countReadyNodes(c clientset.Interface, hostName types.NodeName) int {
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framework.WaitForNodeToBeReady(c, string(hostName), nodeStatusTimeout)
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framework.WaitForAllNodesSchedulable(c, nodeStatusTimeout)
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nodes := framework.GetReadySchedulableNodesOrDie(c)
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|
return len(nodes.Items)
|
|
}
|
|
|
|
func verifyPDContentsViaContainer(f *framework.Framework, podName, containerName string, fileAndContentToVerify map[string]string) {
|
|
for filePath, expectedContents := range fileAndContentToVerify {
|
|
var value string
|
|
// Add a retry to avoid temporal failure in reading the content
|
|
for i := 0; i < maxReadRetry; i++ {
|
|
v, err := f.ReadFileViaContainer(podName, containerName, filePath)
|
|
value = v
|
|
if err != nil {
|
|
framework.Logf("Error reading file: %v", err)
|
|
}
|
|
framework.ExpectNoError(err)
|
|
framework.Logf("Read file %q with content: %v (iteration %d)", filePath, v, i)
|
|
if strings.TrimSpace(v) != strings.TrimSpace(expectedContents) {
|
|
framework.Logf("Warning: read content <%q> does not match execpted content <%q>.", v, expectedContents)
|
|
size, err := f.CheckFileSizeViaContainer(podName, containerName, filePath)
|
|
if err != nil {
|
|
framework.Logf("Error checking file size: %v", err)
|
|
}
|
|
framework.Logf("Check file %q size: %q", filePath, size)
|
|
} else {
|
|
break
|
|
}
|
|
}
|
|
Expect(strings.TrimSpace(value)).To(Equal(strings.TrimSpace(expectedContents)))
|
|
}
|
|
}
|
|
|
|
func detachPD(nodeName types.NodeName, pdName string) error {
|
|
if framework.TestContext.Provider == "gce" || framework.TestContext.Provider == "gke" {
|
|
gceCloud, err := framework.GetGCECloud()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = gceCloud.DetachDisk(pdName, nodeName)
|
|
if err != nil {
|
|
if gerr, ok := err.(*googleapi.Error); ok && strings.Contains(gerr.Message, "Invalid value for field 'disk'") {
|
|
// PD already detached, ignore error.
|
|
return nil
|
|
}
|
|
framework.Logf("Error detaching PD %q: %v", pdName, err)
|
|
}
|
|
return err
|
|
|
|
} else if framework.TestContext.Provider == "aws" {
|
|
client := ec2.New(session.New())
|
|
tokens := strings.Split(pdName, "/")
|
|
awsVolumeID := tokens[len(tokens)-1]
|
|
request := ec2.DetachVolumeInput{
|
|
VolumeId: aws.String(awsVolumeID),
|
|
}
|
|
_, err := client.DetachVolume(&request)
|
|
if err != nil {
|
|
return fmt.Errorf("error detaching EBS volume: %v", err)
|
|
}
|
|
return nil
|
|
|
|
} else {
|
|
return fmt.Errorf("Provider does not support volume detaching")
|
|
}
|
|
}
|
|
|
|
// Returns pod spec suitable for api Create call. Handles gce, gke and aws providers only and
|
|
// escapes if a different provider is supplied.
|
|
// The first container name is hard-coded to "mycontainer". Subsequent containers are named:
|
|
// "mycontainer<number> where <number> is 1..numContainers. Note if there is only one container it's
|
|
// name has no number.
|
|
// Container's volumeMounts are hard-coded to "/testpd<number>" where <number> is 1..len(diskNames).
|
|
func testPDPod(diskNames []string, targetNode types.NodeName, readOnly bool, numContainers int) *v1.Pod {
|
|
// escape if not a supported provider
|
|
if !(framework.TestContext.Provider == "gce" || framework.TestContext.Provider == "gke" ||
|
|
framework.TestContext.Provider == "aws") {
|
|
framework.Failf(fmt.Sprintf("func `testPDPod` only supports gce, gke, and aws providers, not %v", framework.TestContext.Provider))
|
|
}
|
|
|
|
containers := make([]v1.Container, numContainers)
|
|
for i := range containers {
|
|
containers[i].Name = "mycontainer"
|
|
if numContainers > 1 {
|
|
containers[i].Name = fmt.Sprintf("mycontainer%v", i+1)
|
|
}
|
|
containers[i].Image = "busybox"
|
|
containers[i].Command = []string{"sleep", "6000"}
|
|
containers[i].VolumeMounts = make([]v1.VolumeMount, len(diskNames))
|
|
for k := range diskNames {
|
|
containers[i].VolumeMounts[k].Name = fmt.Sprintf("testpd%v", k+1)
|
|
containers[i].VolumeMounts[k].MountPath = fmt.Sprintf("/testpd%v", k+1)
|
|
}
|
|
containers[i].Resources.Limits = v1.ResourceList{}
|
|
containers[i].Resources.Limits[v1.ResourceCPU] = *resource.NewQuantity(int64(0), resource.DecimalSI)
|
|
}
|
|
|
|
pod := &v1.Pod{
|
|
TypeMeta: metav1.TypeMeta{
|
|
Kind: "Pod",
|
|
APIVersion: "v1",
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "pd-test-" + string(uuid.NewUUID()),
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: containers,
|
|
NodeName: string(targetNode),
|
|
},
|
|
}
|
|
|
|
pod.Spec.Volumes = make([]v1.Volume, len(diskNames))
|
|
for k, diskName := range diskNames {
|
|
pod.Spec.Volumes[k].Name = fmt.Sprintf("testpd%v", k+1)
|
|
if framework.TestContext.Provider == "aws" {
|
|
pod.Spec.Volumes[k].VolumeSource = v1.VolumeSource{
|
|
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
|
|
VolumeID: diskName,
|
|
FSType: "ext4",
|
|
ReadOnly: readOnly,
|
|
},
|
|
}
|
|
} else { // "gce" or "gke"
|
|
pod.Spec.Volumes[k].VolumeSource = v1.VolumeSource{
|
|
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
|
|
PDName: diskName,
|
|
FSType: "ext4",
|
|
ReadOnly: readOnly,
|
|
},
|
|
}
|
|
}
|
|
}
|
|
return pod
|
|
}
|
|
|
|
// Waits for specified PD to detach from specified hostName
|
|
func waitForPDDetach(diskName string, nodeName types.NodeName) error {
|
|
if framework.TestContext.Provider == "gce" || framework.TestContext.Provider == "gke" {
|
|
framework.Logf("Waiting for GCE PD %q to detach from node %q.", diskName, nodeName)
|
|
gceCloud, err := framework.GetGCECloud()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
for start := time.Now(); time.Since(start) < gcePDDetachTimeout; time.Sleep(gcePDDetachPollTime) {
|
|
diskAttached, err := gceCloud.DiskIsAttached(diskName, nodeName)
|
|
if err != nil {
|
|
framework.Logf("Error waiting for PD %q to detach from node %q. 'DiskIsAttached(...)' failed with %v", diskName, nodeName, err)
|
|
return err
|
|
}
|
|
if !diskAttached {
|
|
// Specified disk does not appear to be attached to specified node
|
|
framework.Logf("GCE PD %q appears to have successfully detached from %q.", diskName, nodeName)
|
|
return nil
|
|
}
|
|
framework.Logf("Waiting for GCE PD %q to detach from %q.", diskName, nodeName)
|
|
}
|
|
return fmt.Errorf("Gave up waiting for GCE PD %q to detach from %q after %v", diskName, nodeName, gcePDDetachTimeout)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func detachAndDeletePDs(diskName string, hosts []types.NodeName) {
|
|
for _, host := range hosts {
|
|
framework.Logf("Detaching GCE PD %q from node %q.", diskName, host)
|
|
detachPD(host, diskName)
|
|
By(fmt.Sprintf("Waiting for PD %q to detach from %q", diskName, host))
|
|
waitForPDDetach(diskName, host)
|
|
}
|
|
By(fmt.Sprintf("Deleting PD %q", diskName))
|
|
framework.ExpectNoError(framework.DeletePDWithRetry(diskName))
|
|
}
|
|
|
|
func waitForPDInVolumesInUse(
|
|
nodeClient v1core.NodeInterface,
|
|
diskName string,
|
|
nodeName types.NodeName,
|
|
timeout time.Duration,
|
|
shouldExist bool) error {
|
|
logStr := "to contain"
|
|
if !shouldExist {
|
|
logStr = "to NOT contain"
|
|
}
|
|
framework.Logf("Waiting for node %s's VolumesInUse Status %s PD %q", nodeName, logStr, diskName)
|
|
for start := time.Now(); time.Since(start) < timeout; time.Sleep(nodeStatusPollTime) {
|
|
nodeObj, err := nodeClient.Get(string(nodeName), metav1.GetOptions{})
|
|
if err != nil || nodeObj == nil {
|
|
framework.Logf("Failed to fetch node object %q from API server. err=%v", nodeName, err)
|
|
continue
|
|
}
|
|
exists := false
|
|
for _, volumeInUse := range nodeObj.Status.VolumesInUse {
|
|
volumeInUseStr := string(volumeInUse)
|
|
if strings.Contains(volumeInUseStr, diskName) {
|
|
if shouldExist {
|
|
framework.Logf("Found PD %q in node %q's VolumesInUse Status: %q", diskName, nodeName, volumeInUseStr)
|
|
return nil
|
|
}
|
|
exists = true
|
|
}
|
|
}
|
|
if !shouldExist && !exists {
|
|
framework.Logf("Verified PD %q does not exist in node %q's VolumesInUse Status.", diskName, nodeName)
|
|
return nil
|
|
}
|
|
}
|
|
return fmt.Errorf("Timed out waiting for node %s VolumesInUse Status %s diskName %q", nodeName, logStr, diskName)
|
|
}
|