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Convert poll in e2e with watch.Until

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This commit is contained in:
Clayton Coleman 2016-04-05 22:06:24 -04:00
parent f89bde1415
commit 845e496572
2 changed files with 100 additions and 53 deletions
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70
pkg/client/unversioned/conditions.go
View File

@ -195,6 +195,62 @@ func PodRunning(event watch.Event) (bool, error) {
return false, nil
}
// PodCompleted returns true if the pod has run to completion, false if the pod has not yet
// reached running state, or an error in any other case.
func PodCompleted(event watch.Event) (bool, error) {
switch event.Type {
case watch.Deleted:
return false, errors.NewNotFound(unversioned.GroupResource{Resource: "pods"}, "")
}
switch t := event.Object.(type) {
case *api.Pod:
switch t.Status.Phase {
case api.PodFailed, api.PodSucceeded:
return true, nil
}
}
return false, nil
}
// PodRunningAndReady returns true if the pod is running and ready, false if the pod has not
// yet reached those states, returns ErrPodCompleted if the pod has run to completion, or
// an error in any other case.
func PodRunningAndReady(event watch.Event) (bool, error) {
switch event.Type {
case watch.Deleted:
return false, errors.NewNotFound(unversioned.GroupResource{Resource: "pods"}, "")
}
switch t := event.Object.(type) {
case *api.Pod:
switch t.Status.Phase {
case api.PodFailed, api.PodSucceeded:
return false, ErrPodCompleted
case api.PodRunning:
return api.IsPodReady(t), nil
}
}
return false, nil
}
// PodNotPending returns true if the pod has left the pending state, false if it has not,
// or an error in any other case (such as if the pod was deleted).
func PodNotPending(event watch.Event) (bool, error) {
switch event.Type {
case watch.Deleted:
return false, errors.NewNotFound(unversioned.GroupResource{Resource: "pods"}, "")
}
switch t := event.Object.(type) {
case *api.Pod:
switch t.Status.Phase {
case api.PodPending:
return false, nil
default:
return true, nil
}
}
return false, nil
}
// PodContainerRunning returns false until the named container has ContainerStatus running (at least once),
// and will return an error if the pod is deleted, runs to completion, or the container pod is not available.
func PodContainerRunning(containerName string) watch.ConditionFunc {
@ -223,3 +279,17 @@ func PodContainerRunning(containerName string) watch.ConditionFunc {
return false, nil
}
}
// ServiceAccountHasSecrets returns true if the service account has at least one secret,
// false if it does not, or an error.
func ServiceAccountHasSecrets(event watch.Event) (bool, error) {
switch event.Type {
case watch.Deleted:
return false, errors.NewNotFound(unversioned.GroupResource{Resource: "serviceaccounts"}, "")
}
switch t := event.Object.(type) {
case *api.ServiceAccount:
return len(t.Secrets) > 0, nil
}
return false, nil
}

83
test/e2e/framework/util.go
View File

@ -68,7 +68,6 @@ import (
"k8s.io/kubernetes/pkg/watch"
"github.com/blang/semver"
"github.com/davecgh/go-spew/spew"
"golang.org/x/crypto/ssh"
"golang.org/x/net/websocket"
@ -329,6 +328,7 @@ var providersWithMasterSSH = []string{"gce", "gke", "kubemark", "aws"}
type podCondition func(pod *api.Pod) (bool, error)
// podReady returns whether pod has a condition of Ready with a status of true.
// TODO: should be replaced with api.IsPodReady
func podReady(pod *api.Pod) bool {
for _, cond := range pod.Status.Conditions {
if cond.Type == api.PodReady && cond.Status == api.ConditionTrue {
@ -628,25 +628,12 @@ func WaitForNamespacesDeleted(c *client.Client, namespaces []string, timeout tim
}
func waitForServiceAccountInNamespace(c *client.Client, ns, serviceAccountName string, timeout time.Duration) error {
Logf("Waiting up to %v for service account %s to be provisioned in ns %s", timeout, serviceAccountName, ns)
for start := time.Now(); time.Since(start) < timeout; time.Sleep(Poll) {
sa, err := c.ServiceAccounts(ns).Get(serviceAccountName)
if apierrs.IsNotFound(err) {
Logf("Get service account %s in ns %s failed, ignoring for %v: %v", serviceAccountName, ns, Poll, err)
continue
}
if err != nil {
Logf("Get service account %s in ns %s failed: %v", serviceAccountName, ns, err)
return err
}
if len(sa.Secrets) == 0 {
Logf("Service account %s in ns %s had 0 secrets, ignoring for %v: %v", serviceAccountName, ns, Poll, err)
continue
}
Logf("Service account %s in ns %s with secrets found. (%v)", serviceAccountName, ns, time.Since(start))
return nil
w, err := c.ServiceAccounts(ns).Watch(api.SingleObject(api.ObjectMeta{Name: serviceAccountName}))
if err != nil {
return err
}
return fmt.Errorf("Service account %s in namespace %s not ready within %v", serviceAccountName, ns, timeout)
_, err = watch.Until(timeout, w, client.ServiceAccountHasSecrets)
return err
}
func waitForPodCondition(c *client.Client, ns, podName, desc string, timeout time.Duration, condition podCondition) error {
@ -902,16 +889,12 @@ func waitForPodRunningInNamespaceSlow(c *client.Client, podName string, namespac
}
func waitTimeoutForPodRunningInNamespace(c *client.Client, podName string, namespace string, timeout time.Duration) error {
return waitForPodCondition(c, namespace, podName, "running", timeout, func(pod *api.Pod) (bool, error) {
if pod.Status.Phase == api.PodRunning {
Logf("Found pod '%s' on node '%s'", podName, pod.Spec.NodeName)
return true, nil
}
if pod.Status.Phase == api.PodFailed {
return true, fmt.Errorf("Giving up; pod went into failed status: \n%s", spew.Sprintf("%#v", pod))
}
return false, nil
})
w, err := c.Pods(namespace).Watch(api.SingleObject(api.ObjectMeta{Name: podName}))
if err != nil {
return err
}
_, err = watch.Until(timeout, w, client.PodRunning)
return err
}
// Waits default amount of time (podNoLongerRunningTimeout) for the specified pod to stop running.
@ -921,37 +904,31 @@ func WaitForPodNoLongerRunningInNamespace(c *client.Client, podName string, name
}
func waitTimeoutForPodNoLongerRunningInNamespace(c *client.Client, podName string, namespace string, timeout time.Duration) error {
return waitForPodCondition(c, namespace, podName, "no longer running", timeout, func(pod *api.Pod) (bool, error) {
if pod.Status.Phase == api.PodSucceeded || pod.Status.Phase == api.PodFailed {
Logf("Found pod '%s' with status '%s' on node '%s'", podName, pod.Status.Phase, pod.Spec.NodeName)
return true, nil
}
return false, nil
})
w, err := c.Pods(namespace).Watch(api.SingleObject(api.ObjectMeta{Name: podName}))
if err != nil {
return err
}
_, err = watch.Until(timeout, w, client.PodCompleted)
return err
}
func waitTimeoutForPodReadyInNamespace(c *client.Client, podName string, namespace string, timeout time.Duration) error {
return waitForPodCondition(c, namespace, podName, "running", timeout, func(pod *api.Pod) (bool, error) {
if pod.Status.Phase == api.PodRunning {
Logf("Found pod '%s' on node '%s'", podName, pod.Spec.NodeName)
return true, nil
}
if pod.Status.Phase == api.PodFailed {
return true, fmt.Errorf("Giving up; pod went into failed status: \n%s", spew.Sprintf("%#v", pod))
}
return podReady(pod), nil
})
w, err := c.Pods(namespace).Watch(api.SingleObject(api.ObjectMeta{Name: podName}))
if err != nil {
return err
}
_, err = watch.Until(timeout, w, client.PodRunningAndReady)
return err
}
// WaitForPodNotPending returns an error if it took too long for the pod to go out of pending state.
func WaitForPodNotPending(c *client.Client, ns, podName string) error {
return waitForPodCondition(c, ns, podName, "!pending", PodStartTimeout, func(pod *api.Pod) (bool, error) {
if pod.Status.Phase != api.PodPending {
Logf("Saw pod '%s' in namespace '%s' out of pending state (found '%q')", podName, ns, pod.Status.Phase)
return true, nil
}
return false, nil
})
w, err := c.Pods(ns).Watch(api.SingleObject(api.ObjectMeta{Name: podName}))
if err != nil {
return err
}
_, err = watch.Until(PodStartTimeout, w, client.PodNotPending)
return err
}
// waitForPodTerminatedInNamespace returns an error if it took too long for the pod