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kubelet: add e2e test for exec readiness probe timeout

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Signed-off-by: Andrew Sy Kim <kim.andrewsy@gmail.com>
This commit is contained in:
Andrew Sy Kim 2020-08-22 14:42:50 -04:00
parent 733862ed7f
commit 81ad32e3a4
1 changed files with 49 additions and 0 deletions
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49
test/e2e/common/container_probe.go
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@ -223,6 +223,23 @@ var _ = framework.KubeDescribe("Probing container", func() {
RunLivenessTest(f, pod, 1, defaultObservationTimeout)
})
/*
Release: v1.20
Testname: Pod readiness probe, docker exec, not ready
Description: A Pod is created with readiness probe with a Exec action on the Pod. If the readiness probe call does not return within the timeout specified, readiness probe MUST not be Ready.
*/
ginkgo.It("should not be ready with a docker exec readiness probe timeout ", func() {
cmd := []string{"/bin/sh", "-c", "sleep 600"}
readinessProbe := &v1.Probe{
Handler: execHandler([]string{"/bin/sh", "-c", "sleep 10"}),
InitialDelaySeconds: 15,
TimeoutSeconds: 1,
FailureThreshold: 1,
}
pod := busyBoxPodSpec(readinessProbe, nil, cmd)
runReadinessFailTest(f, pod, time.Minute)
})
/*
Release: v1.14
Testname: Pod http liveness probe, redirected to a local address
@ -622,3 +639,35 @@ func RunLivenessTest(f *framework.Framework, pod *v1.Pod, expectNumRestarts int,
ns, pod.Name, expectNumRestarts, observedRestarts)
}
}
func runReadinessFailTest(f *framework.Framework, pod *v1.Pod, notReadyUntil time.Duration) {
podClient := f.PodClient()
ns := f.Namespace.Name
gomega.Expect(pod.Spec.Containers).NotTo(gomega.BeEmpty())
// At the end of the test, clean up by removing the pod.
defer func() {
ginkgo.By("deleting the pod")
podClient.Delete(context.TODO(), pod.Name, *metav1.NewDeleteOptions(0))
}()
ginkgo.By(fmt.Sprintf("Creating pod %s in namespace %s", pod.Name, ns))
podClient.Create(pod)
// Wait until the pod is not pending. (Here we need to check for something other than
// 'Pending', since when failures occur, we go to 'Terminated' which can cause indefinite blocking.)
framework.ExpectNoError(e2epod.WaitForPodNotPending(f.ClientSet, ns, pod.Name),
fmt.Sprintf("starting pod %s in namespace %s", pod.Name, ns))
framework.Logf("Started pod %s in namespace %s", pod.Name, ns)
// Wait for the not ready state to be true for notReadyUntil duration
deadline := time.Now().Add(notReadyUntil)
for start := time.Now(); time.Now().Before(deadline); time.Sleep(2 * time.Second) {
// poll for Not Ready
if podutil.IsPodReady(pod) {
framework.Failf("pod %s/%s - expected to be not ready", ns, pod.Name)
}
framework.Logf("pod %s/%s is not ready (%v elapsed)",
ns, pod.Name, time.Since(start))
}
}