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Force file sync after writing file via container and wait for pod to

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disappear after removal in test
This commit is contained in:
David Zhu 2019-10-29 17:41:43 -07:00
parent b6c8f4916d
commit e3d2432e01
2 changed files with 11 additions and 23 deletions
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2
test/e2e/framework/framework.go
View File

@ -481,7 +481,7 @@ func (f *Framework) WriteFileViaContainer(podName, containerName string, path st
return fmt.Errorf("Unsupported character in string to write: %v", c)
}
}
command := fmt.Sprintf("echo '%s' > '%s'", contents, path)
command := fmt.Sprintf("echo '%s' > '%s'; sync", contents, path)
stdout, stderr, err := kubectlExecWithRetry(f.Namespace.Name, podName, containerName, "--", "/bin/sh", "-c", command)
if err != nil {
Logf("error running kubectl exec to write file: %v\nstdout=%v\nstderr=%v)", err, string(stdout), string(stderr))

32
test/e2e/storage/pd.go
View File

@ -33,6 +33,7 @@ import (
policyv1beta1 "k8s.io/api/policy/v1beta1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/apimachinery/pkg/util/wait"
@ -40,6 +41,7 @@ import (
v1core "k8s.io/client-go/kubernetes/typed/core/v1"
"k8s.io/kubernetes/test/e2e/framework"
e2enode "k8s.io/kubernetes/test/e2e/framework/node"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
"k8s.io/kubernetes/test/e2e/framework/providers/gce"
e2epv "k8s.io/kubernetes/test/e2e/framework/pv"
"k8s.io/kubernetes/test/e2e/storage/utils"
@ -52,7 +54,6 @@ const (
nodeStatusTimeout = 10 * time.Minute
nodeStatusPollTime = 1 * time.Second
podEvictTimeout = 2 * time.Minute
maxReadRetry = 3
minNodes = 2
)
@ -188,6 +189,8 @@ var _ = utils.SIGDescribe("Pod Disks", func() {
ginkgo.By("deleting host0Pod") // delete this pod before creating next pod
framework.ExpectNoError(podClient.Delete(host0Pod.Name, podDelOpt), "Failed to delete host0Pod")
framework.Logf("deleted host0Pod %q", host0Pod.Name)
e2epod.WaitForPodToDisappear(cs, host0Pod.Namespace, host0Pod.Name, labels.Everything(), framework.Poll, framework.PodDeleteTimeout)
framework.Logf("deleted host0Pod %q disappeared", host0Pod.Name)
}
ginkgo.By("creating host1Pod on node1")
@ -452,28 +455,13 @@ func countReadyNodes(c clientset.Interface, hostName types.NodeName) int {
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
}
// No retry loop as there should not be temporal based failures
v, err := f.ReadFileViaContainer(podName, containerName, filePath)
framework.ExpectNoError(err, "Error reading file %s via container %s", filePath, containerName)
framework.Logf("Read file %q with content: %v", filePath, v)
if strings.TrimSpace(v) != strings.TrimSpace(expectedContents) {
framework.Failf("Read content <%q> does not match execpted content <%q>.", v, expectedContents)
}
framework.ExpectEqual(strings.TrimSpace(value), strings.TrimSpace(expectedContents))
}
}