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improve retry logic with standard wait.Poll()

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Signed-off-by: He Simei <hesimei@zju.edu.cn>
This commit is contained in:
He Simei
2015-05-18 08:40:18 +08:00
parent 10339d72b6
commit 09fc2a5013
10 changed files with 123 additions and 119 deletions
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20
test/e2e/rc.go
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@@ -111,22 +111,16 @@ func ServeImageOrFail(c *client.Client, test string, image string) {
// List the pods, making sure we observe all the replicas.
listTimeout := time.Minute
label := labels.SelectorFromSet(labels.Set(map[string]string{"name": name}))
pods, err := c.Pods(ns).List(label, fields.Everything())
Expect(err).NotTo(HaveOccurred())
t := time.Now()
for {
var pods *api.PodList
expectNoError(wait.Poll(5*time.Second, listTimeout, func() (bool, error) {
pods, err = c.Pods(ns).List(label, fields.Everything())
Logf("Controller %s: Found %d pods out of %d", name, len(pods.Items), replicas)
if len(pods.Items) == replicas {
break
return true, nil
}
if time.Since(t) > listTimeout {
Failf("Controller %s: Gave up waiting for %d pods to come up after seeing only %d pods after %v seconds",
name, replicas, len(pods.Items), time.Since(t).Seconds())
}
time.Sleep(5 * time.Second)
pods, err = c.Pods(ns).List(label, fields.Everything())
Expect(err).NotTo(HaveOccurred())
}
return false, nil
}))
By("Ensuring each pod is running")