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Merge pull request #4139 from filbranden/e2e_liveness_namespace

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Use a custom namespace for running liveness e2e test cases.
This commit is contained in:
Satnam Singh 2015-02-04 16:16:32 -08:00
commit 6c814c4af4
2 changed files with 21 additions and 22 deletions
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31
test/e2e/liveness.go
View File

@ -32,27 +32,28 @@ import (
) )
func runLivenessTest(c *client.Client, podDescr *api.Pod) bool { func runLivenessTest(c *client.Client, podDescr *api.Pod) bool {
glog.Infof("Creating pod %s", podDescr.Name) ns := "e2e-test-" + string(util.NewUUID())
_, err := c.Pods(api.NamespaceDefault).Create(podDescr) glog.Infof("Creating pod %s in namespace %s", podDescr.Name, ns)
_, err := c.Pods(ns).Create(podDescr)
if err != nil { if err != nil {
glog.Infof("Failed to create pod %s: %v", podDescr.Name, err) glog.Infof("Failed to create pod %s: %v", podDescr.Name, err)
return false return false
} }
// At the end of the test, clean up by removing the pod. // At the end of the test, clean up by removing the pod.
defer c.Pods(api.NamespaceDefault).Delete(podDescr.Name) defer c.Pods(ns).Delete(podDescr.Name)
// Wait until the pod is not pending. (Here we need to check for something other than // Wait until the pod is not pending. (Here we need to check for something other than
// 'Pending' other than checking for 'Running', since when failures occur, we go to // 'Pending' other than checking for 'Running', since when failures occur, we go to
// 'Terminated' which can cause indefinite blocking.) // 'Terminated' which can cause indefinite blocking.)
if !waitForPodNotPending(c, podDescr.Name) { if !waitForPodNotPending(c, ns, podDescr.Name) {
glog.Infof("Failed to start pod %s", podDescr.Name) glog.Infof("Failed to start pod %s in namespace %s", podDescr.Name, ns)
return false return false
} }
glog.Infof("Started pod %s", podDescr.Name) glog.Infof("Started pod %s in namespace %s", podDescr.Name, ns)
// Check the pod's current state and verify that restartCount is present. // Check the pod's current state and verify that restartCount is present.
pod, err := c.Pods(api.NamespaceDefault).Get(podDescr.Name) pod, err := c.Pods(ns).Get(podDescr.Name)
if err != nil { if err != nil {
glog.Errorf("Get pod %s failed: %v", podDescr.Name, err) glog.Errorf("Get pod %s in namespace %s failed: %v", podDescr.Name, ns, err)
return false return false
} }
initialRestartCount := pod.Status.Info["liveness"].RestartCount initialRestartCount := pod.Status.Info["liveness"].RestartCount
@ -62,29 +63,28 @@ func runLivenessTest(c *client.Client, podDescr *api.Pod) bool {
for i := 0; i < 48; i++ { for i := 0; i < 48; i++ {
// Wait until restartCount is incremented. // Wait until restartCount is incremented.
time.Sleep(5 * time.Second) time.Sleep(5 * time.Second)
pod, err = c.Pods(api.NamespaceDefault).Get(podDescr.Name) pod, err = c.Pods(ns).Get(podDescr.Name)
if err != nil { if err != nil {
glog.Errorf("Get pod %s failed: %v", podDescr.Name, err) glog.Errorf("Get pod %s failed: %v", podDescr.Name, err)
return false return false
} }
restartCount := pod.Status.Info["liveness"].RestartCount restartCount := pod.Status.Info["liveness"].RestartCount
glog.Infof("Restart count of pod %s is now %d", podDescr.Name, restartCount) glog.Infof("Restart count of pod %s in namespace %s is now %d", podDescr.Name, ns, restartCount)
if restartCount > initialRestartCount { if restartCount > initialRestartCount {
glog.Infof("Restart count of pod %s increased from %d to %d during the test", podDescr.Name, initialRestartCount, restartCount) glog.Infof("Restart count of pod %s in namespace %s increased from %d to %d during the test", podDescr.Name, ns, initialRestartCount, restartCount)
return true return true
} }
} }
glog.Errorf("Did not see the restart count of pod %s increase from %d during the test", podDescr.Name, initialRestartCount) glog.Errorf("Did not see the restart count of pod %s in namespace %s increase from %d during the test", podDescr.Name, ns, initialRestartCount)
return false return false
} }
// TestLivenessHttp tests restarts with a /healthz http liveness probe. // TestLivenessHttp tests restarts with a /healthz http liveness probe.
func TestLivenessHttp(c *client.Client) bool { func TestLivenessHttp(c *client.Client) bool {
name := "liveness-http-" + string(util.NewUUID())
return runLivenessTest(c, &api.Pod{ return runLivenessTest(c, &api.Pod{
ObjectMeta: api.ObjectMeta{ ObjectMeta: api.ObjectMeta{
Name: name, Name: "liveness-http",
Labels: map[string]string{"test": "liveness"}, Labels: map[string]string{"test": "liveness"},
}, },
Spec: api.PodSpec{ Spec: api.PodSpec{
@ -110,10 +110,9 @@ func TestLivenessHttp(c *client.Client) bool {
// TestLivenessExec tests restarts with a docker exec "cat /tmp/health" liveness probe. // TestLivenessExec tests restarts with a docker exec "cat /tmp/health" liveness probe.
func TestLivenessExec(c *client.Client) bool { func TestLivenessExec(c *client.Client) bool {
name := "liveness-exec-" + string(util.NewUUID())
return runLivenessTest(c, &api.Pod{ return runLivenessTest(c, &api.Pod{
ObjectMeta: api.ObjectMeta{ ObjectMeta: api.ObjectMeta{
Name: name, Name: "liveness-exec",
Labels: map[string]string{"test": "liveness"}, Labels: map[string]string{"test": "liveness"},
}, },
Spec: api.PodSpec{ Spec: api.PodSpec{

12
test/e2e/util.go
View File

@ -57,23 +57,23 @@ func waitForPodRunning(c *client.Client, id string) {
} }
// waitForPodNotPending returns false if it took too long for the pod to go out of pending state. // waitForPodNotPending returns false if it took too long for the pod to go out of pending state.
func waitForPodNotPending(c *client.Client, podName string) bool { func waitForPodNotPending(c *client.Client, ns, podName string) bool {
for i := 0; i < 10; i++ { for i := 0; i < 10; i++ {
if i > 0 { if i > 0 {
time.Sleep(5 * time.Second) time.Sleep(5 * time.Second)
} }
pod, err := c.Pods(api.NamespaceDefault).Get(podName) pod, err := c.Pods(ns).Get(podName)
if err != nil { if err != nil {
glog.Warningf("Get pod %s failed: %v", podName, err) glog.Warningf("Get pod %s in namespace %s failed: %v", podName, ns, err)
continue continue
} }
if pod.Status.Phase != api.PodPending { if pod.Status.Phase != api.PodPending {
glog.Infof("Saw pod %s out of pending state (found %q)", podName, pod.Status.Phase) glog.Infof("Saw pod %s in namespace %s out of pending state (found %q)", podName, ns, pod.Status.Phase)
return true return true
} }
glog.Infof("Waiting for pod %s status to be !%q (found %q)", podName, api.PodPending, pod.Status.Phase) glog.Infof("Waiting for status of pod %s in namespace %s to be !%q (found %q)", podName, ns, api.PodPending, pod.Status.Phase)
} }
glog.Warningf("Gave up waiting for pod %s status to go out of pending", podName) glog.Warningf("Gave up waiting for status of pod %s in namespace %s to go out of pending", podName, ns)
return false return false
} }