var file string
testPodWithExecHook := func(podWithHook *v1.Pod) {
podCheckHook := getExecHookTestPod("pod-check-hook",
// Wait until the file is created.
[]string{"sh", "-c", fmt.Sprintf("while [ ! -e %s ]; do sleep 1; done", file)},
)
By("create the pod with lifecycle hook")
podClient.CreateSync(podWithHook)
if podWithHook.Spec.Containers[0].Lifecycle.PostStart != nil {
By("create the hook check pod")
podClient.Create(podCheckHook)
By("wait for the hook check pod to success")
podClient.WaitForSuccess(podCheckHook.Name, postStartWaitTimeout)
}
By("delete the pod with lifecycle hook")
podClient.DeleteSync(podWithHook.Name, v1.NewDeleteOptions(15), podWaitTimeout)
if podWithHook.Spec.Containers[0].Lifecycle.PreStop != nil {
By("create the hook check pod")
podClient.Create(podCheckHook)
By("wait for the prestop check pod to success")
podClient.WaitForSuccess(podCheckHook.Name, preStopWaitTimeout)
}
}
BeforeEach(func() {
file = "/tmp/test-" + string(uuid.NewUUID())
})
AfterEach(func() {
By("cleanup the temporary file created in the test.")
cleanupPod := getExecHookTestPod("pod-clean-up", []string{"rm", file})
Name: busyPodName,
// Filling the disk
Command: []string{"sh", "-c",
fmt.Sprintf("for NUM in `seq 1 1 100000`; do dd if=/dev/urandom of=%s.$NUM bs=50000000 count=10; sleep 0.5; done",
dummyFile)},
},
},
},
})
})
AfterEach(func() {
if !isImageSupported() || !evictionOptionIsSet() { // Skip the after each
return
}
podClient.DeleteSync(busyPodName, &api.DeleteOptions{}, podDisappearTimeout)
podClient.DeleteSync(idlePodName, &api.DeleteOptions{}, podDisappearTimeout)
podClient.DeleteSync(verifyPodName, &api.DeleteOptions{}, podDisappearTimeout)
// Wait for 2 container gc loop to ensure that the containers are deleted. The containers
// created in this test consume a lot of disk, we don't want them to trigger disk eviction
// again after the test.
time.Sleep(containerGCPeriod * 2)
if framework.TestContext.PrepullImages {
// The disk eviction test may cause the prepulled images to be evicted,
// prepull those images again to ensure this test not affect following tests.
PrePullAllImages()
}
})