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Fix local storage test failures

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This commit is contained in:
Michelle Au 2017-08-04 16:15:53 -07:00
parent f189d7f72e
commit 7778b0dfee
1 changed files with 29 additions and 19 deletions
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48
test/e2e/storage/persistent_volumes-local.go
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@ -50,8 +50,6 @@ type localTestVolume struct {
node *v1.Node
// Path to the volume on the host node
hostDir string
// Path to the volume in the local util container
containerDir string
// PVC for this volume
pvc *v1.PersistentVolumeClaim
// PV for this volume
@ -322,8 +320,10 @@ var _ = SIGDescribe("PersistentVolumes-local [Feature:LocalPersistentVolumes] [S
By("Creating a directory under discovery path")
framework.Logf("creating local volume under path %q", volumePath)
mkdirCmd := fmt.Sprintf("mkdir %v -m 777", volumePath)
_, err := framework.NodeExec(node0.Name, mkdirCmd)
err := framework.IssueSSHCommand(mkdirCmd, framework.TestContext.Provider, node0)
Expect(err).NotTo(HaveOccurred())
By("Waiting for a PersitentVolume to be created")
oldPV, err := waitForLocalPersistentVolume(config.client, volumePath)
Expect(err).NotTo(HaveOccurred())
@ -333,22 +333,27 @@ var _ = SIGDescribe("PersistentVolumes-local [Feature:LocalPersistentVolumes] [S
Expect(err).NotTo(HaveOccurred())
err = framework.WaitForPersistentVolumeClaimPhase(
v1.ClaimBound, config.client, claim.Namespace, claim.Name, framework.Poll, 1*time.Minute)
Expect(claim.Spec.VolumeName).To(Equal(oldPV.Name))
Expect(err).NotTo(HaveOccurred())
claim, err = config.client.Core().PersistentVolumeClaims(config.ns).Get(claim.Name, metav1.GetOptions{})
Expect(err).NotTo(HaveOccurred())
Expect(claim.Spec.VolumeName).To(Equal(oldPV.Name))
// Delete the persistent volume claim: file will be cleaned up and volume be re-created.
By("Deleting the persistent volume claim to clean up persistent volume and re-create one")
writeCmd, readCmd := createWriteAndReadCmds(volumePath, testFile, testFileContent)
_, err = framework.NodeExec(node0.Name, writeCmd)
writeCmd, _ := createWriteAndReadCmds(volumePath, testFile, testFileContent)
err = framework.IssueSSHCommand(writeCmd, framework.TestContext.Provider, node0)
Expect(err).NotTo(HaveOccurred())
err = config.client.Core().PersistentVolumeClaims(claim.Namespace).Delete(claim.Name, &metav1.DeleteOptions{})
Expect(err).NotTo(HaveOccurred())
By("Waiting for a new PersistentVolume to be re-created")
newPV, err := waitForLocalPersistentVolume(config.client, volumePath)
Expect(err).NotTo(HaveOccurred())
Expect(newPV.UID).NotTo(Equal(oldPV.UID))
result, err := framework.NodeExec(node0.Name, readCmd)
fileDoesntExistCmd := createFileDoesntExistCmd(volumePath, testFile)
err = framework.IssueSSHCommand(fileDoesntExistCmd, framework.TestContext.Provider, node0)
Expect(err).NotTo(HaveOccurred())
Expect(result.Code).NotTo(BeZero(), "file should be deleted across local pv recreation, but exists")
})
})
})
@ -362,18 +367,16 @@ func podNodeName(config *localTestConfig, pod *v1.Pod) (string, error) {
// setupLocalVolume setups a directory to user for local PV
func setupLocalVolume(config *localTestConfig) *localTestVolume {
testDirName := "local-volume-test-" + string(uuid.NewUUID())
testDir := filepath.Join(containerBase, testDirName)
hostDir := filepath.Join(hostBase, testDirName)
// populate volume with testFile containing testFileContent
writeCmd, _ := createWriteAndReadCmds(testDir, testFile, testFileContent)
writeCmd, _ := createWriteAndReadCmds(hostDir, testFile, testFileContent)
By(fmt.Sprintf("Creating local volume on node %q at path %q", config.node0.Name, hostDir))
_, err := framework.NodeExec(config.node0.Name, writeCmd)
err := framework.IssueSSHCommand(writeCmd, framework.TestContext.Provider, config.node0)
Expect(err).NotTo(HaveOccurred())
return &localTestVolume{
node: config.node0,
hostDir: hostDir,
containerDir: testDir,
node: config.node0,
hostDir: hostDir,
}
}
@ -390,8 +393,8 @@ func cleanupLocalVolume(config *localTestConfig, volume *localTestVolume) {
}
By("Removing the test directory")
removeCmd := fmt.Sprintf("rm -r %s", volume.containerDir)
_, err := framework.NodeExec(config.node0.Name, removeCmd)
removeCmd := fmt.Sprintf("rm -r %s", volume.hostDir)
err := framework.IssueSSHCommand(removeCmd, framework.TestContext.Provider, config.node0)
Expect(err).NotTo(HaveOccurred())
}
@ -459,7 +462,7 @@ func createLocalPod(config *localTestConfig, volume *localTestVolume) (*v1.Pod,
}
// Create corresponding write and read commands
// to be executed inside containers with local PV attached
// to be executed via SSH on the node with the local PV
func createWriteAndReadCmds(testFileDir string, testFile string, writeTestFileContent string) (writeCmd string, readCmd string) {
testFilePath := filepath.Join(testFileDir, testFile)
writeCmd = fmt.Sprintf("mkdir -p %s; echo %s > %s", testFileDir, writeTestFileContent, testFilePath)
@ -467,6 +470,13 @@ func createWriteAndReadCmds(testFileDir string, testFile string, writeTestFileCo
return writeCmd, readCmd
}
// Create command to verify that the file doesn't exist
// to be executed via SSH on the node with the local PV
func createFileDoesntExistCmd(testFileDir string, testFile string) string {
testFilePath := filepath.Join(testFileDir, testFile)
return fmt.Sprintf("[ ! -e %s ]", testFilePath)
}
// Execute a read or write command in a pod.
// Fail on error
func podRWCmdExec(pod *v1.Pod, cmd string) string {
@ -495,7 +505,7 @@ func setupLocalVolumeProvisioner(config *localTestConfig) {
By("Initializing local volume discovery base path")
mkdirCmd := fmt.Sprintf("mkdir %v -m 777", path.Join(hostBase, discoveryDir))
_, err := framework.NodeExec(config.node0.Name, mkdirCmd)
err := framework.IssueSSHCommand(mkdirCmd, framework.TestContext.Provider, config.node0)
Expect(err).NotTo(HaveOccurred())
}
@ -505,7 +515,7 @@ func cleanupLocalVolumeProvisioner(config *localTestConfig, volumePath string) {
By("Removing the test directory")
removeCmd := fmt.Sprintf("rm -r %s", path.Join(hostBase, discoveryDir))
_, err := framework.NodeExec(config.node0.Name, removeCmd)
err := framework.IssueSSHCommand(removeCmd, framework.TestContext.Provider, config.node0)
Expect(err).NotTo(HaveOccurred())
By("Cleaning up persistent volume")