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Added e2e test for local-volume provisioner that does not create PV for discovered non-bind-mounted filesystem.

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Inspect daemonset provisioner logs for validation.

The logs are examined for the log lines showing that the provisioner discovered the directories and did NOT create a local PV.

This commit also adds SkipUnlessProvider supports SSH, which is required for local PV e2e tests.
This commit is contained in:
Ian Chakeres 2018-03-11 11:55:21 -07:00
parent f389b0a02b
commit 6e53b1a313
1 changed files with 44 additions and 0 deletions
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44
test/e2e/storage/persistent_volumes-local.go
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@ -159,6 +159,8 @@ var _ = utils.SIGDescribe("PersistentVolumes-local ", func() {
)
BeforeEach(func() {
framework.SkipUnlessProviderIs(framework.ProvidersWithSSH...)
// Get all the schedulable nodes
nodes := framework.GetReadySchedulableNodesOrDie(f.ClientSet)
Expect(len(nodes.Items)).NotTo(BeZero(), "No available nodes for scheduling")
@ -403,6 +405,32 @@ var _ = utils.SIGDescribe("PersistentVolumes-local ", func() {
By("Deleting provisioner daemonset")
deleteProvisionerDaemonset(config)
})
It("should not create local persistent volume for filesystem volume that was not bind mounted", func() {
directoryPath := filepath.Join(config.discoveryDir, "notbindmount")
By("Creating a directory, not bind mounted, in discovery directory")
mkdirCmd := fmt.Sprintf("mkdir -p %v -m 777", directoryPath)
err := framework.IssueSSHCommand(mkdirCmd, framework.TestContext.Provider, config.node0)
Expect(err).NotTo(HaveOccurred())
By("Starting a provisioner daemonset")
createProvisionerDaemonset(config)
By("Allowing provisioner to run for 30s and discover potential local PVs")
time.Sleep(30 * time.Second)
By("Examining provisioner logs for not an actual mountpoint message")
provisionerPodName := findProvisionerDaemonsetPodName(config)
logs, err := framework.GetPodLogs(config.client, config.ns, provisionerPodName, "" /*containerName*/)
Expect(err).NotTo(HaveOccurred(),
"Error getting logs from pod %s in namespace %s", provisionerPodName, config.ns)
expectedLogMessage := "Path \"/mnt/local-storage/notbindmount\" is not an actual mountpoint"
Expect(strings.Contains(logs, expectedLogMessage)).To(BeTrue())
By("Deleting provisioner daemonset")
deleteProvisionerDaemonset(config)
})
It("should discover dynamicly created local persistent volume mountpoint in discovery directory", func() {
By("Starting a provisioner daemonset")
createProvisionerDaemonset(config)
@ -1397,6 +1425,22 @@ func createProvisionerDaemonset(config *localTestConfig) {
framework.WaitForControlledPodsRunning(config.client, config.ns, daemonSetName, kind)
}
func findProvisionerDaemonsetPodName(config *localTestConfig) string {
podList, err := config.client.CoreV1().Pods(config.ns).List(metav1.ListOptions{})
if err != nil {
framework.Failf("could not get the pod list: %v", err)
return ""
}
pods := podList.Items
for _, pod := range pods {
if strings.HasPrefix(pod.Name, daemonSetName) && pod.Spec.NodeName == config.node0.Name {
return pod.Name
}
}
framework.Failf("Unable to find provisioner daemonset pod on node0")
return ""
}
func deleteProvisionerDaemonset(config *localTestConfig) {
ds, err := config.client.ExtensionsV1beta1().DaemonSets(config.ns).Get(daemonSetName, metav1.GetOptions{})
if ds == nil {