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Refactor kubectl without stdin test

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Manuel Alejandro de Brito Fontes 2020-09-16 09:00:21 -03:00
parent fcba5fe4e4
commit ee2c4e514f
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1 changed files with 22 additions and 15 deletions
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37
test/e2e/kubectl/kubectl.go
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@ -558,11 +558,24 @@ var _ = SIGDescribe("Kubectl client", func() {
})
ginkgo.It("should support inline execution and attach", func() {
waitForStdinContent := func(pod, content string) string {
var logOutput string
err := wait.Poll(10*time.Second, 5*time.Minute, func() (bool, error) {
logOutput = framework.RunKubectlOrDie(ns, "logs", pod)
return strings.Contains(logOutput, content), nil
})
gomega.Expect(err).To(gomega.BeNil(), fmt.Sprintf("unexpected error waiting for '%v' output", content))
return logOutput
}
ginkgo.By("executing a command with run and attach with stdin")
// We wait for a non-empty line so we know kubectl has attached
runOutput := framework.NewKubectlCommand(ns, "run", "run-test", "--image="+busyboxImage, "--restart=OnFailure", "--attach=true", "--stdin", "--", "sh", "-c", "while [ -z \"$s\" ]; do read s; sleep 1; done; echo read:$s && cat && echo 'stdin closed'").
framework.NewKubectlCommand(ns, "run", "run-test", "--image="+busyboxImage, "--restart=OnFailure", "--attach=true", "--stdin", "--", "sh", "-c", "echo -n read: && cat && echo 'stdin closed'").
WithStdinData("value\nabcd1234").
ExecOrDie(ns)
runOutput := waitForStdinContent("run-test", "stdin closed")
gomega.Expect(runOutput).To(gomega.ContainSubstring("read:value"))
gomega.Expect(runOutput).To(gomega.ContainSubstring("abcd1234"))
gomega.Expect(runOutput).To(gomega.ContainSubstring("stdin closed"))
@ -575,19 +588,25 @@ var _ = SIGDescribe("Kubectl client", func() {
// "stdin closed", but hasn't exited yet.
// We wait 10 seconds before printing to give time to kubectl to attach
// to the container, this does not solve the race though.
runOutput = framework.NewKubectlCommand(ns, "run", "run-test-2", "--image="+busyboxImage, "--restart=OnFailure", "--attach=true", "--leave-stdin-open=true", "--", "sh", "-c", "sleep 10; cat && echo 'stdin closed'").
framework.NewKubectlCommand(ns, "run", "run-test-2", "--image="+busyboxImage, "--restart=OnFailure", "--attach=true", "--leave-stdin-open=true", "--", "sh", "-c", "cat && echo 'stdin closed'").
WithStdinData("abcd1234").
ExecOrDie(ns)
runOutput = waitForStdinContent("run-test-2", "stdin closed")
gomega.Expect(runOutput).ToNot(gomega.ContainSubstring("abcd1234"))
gomega.Expect(runOutput).To(gomega.ContainSubstring("stdin closed"))
gomega.Expect(c.CoreV1().Pods(ns).Delete(context.TODO(), "run-test-2", metav1.DeleteOptions{})).To(gomega.BeNil())
ginkgo.By("executing a command with run and attach with stdin with open stdin should remain running")
runOutput = framework.NewKubectlCommand(ns, "run", "run-test-3", "--image="+busyboxImage, "--restart=OnFailure", "--attach=true", "--leave-stdin-open=true", "--stdin", "--", "sh", "-c", "cat && echo 'stdin closed'").
framework.NewKubectlCommand(ns, "run", "run-test-3", "--image="+busyboxImage, "--restart=OnFailure", "--attach=true", "--leave-stdin-open=true", "--stdin", "--", "sh", "-c", "cat && echo 'stdin closed'").
WithStdinData("abcd1234\n").
ExecOrDie(ns)
runOutput = waitForStdinContent("run-test-3", "abcd1234")
gomega.Expect(runOutput).To(gomega.ContainSubstring("abcd1234"))
gomega.Expect(runOutput).ToNot(gomega.ContainSubstring("stdin closed"))
g := func(pods []*v1.Pod) sort.Interface { return sort.Reverse(controller.ActivePods(pods)) }
runTestPod, _, err := polymorphichelpers.GetFirstPod(f.ClientSet.CoreV1(), ns, "run=run-test-3", 1*time.Minute, g)
framework.ExpectNoError(err)
@ -595,18 +614,6 @@ var _ = SIGDescribe("Kubectl client", func() {
framework.Failf("Pod %q of Job %q should still be running", runTestPod.Name, "run-test-3")
}
// NOTE: we cannot guarantee our output showed up in the container logs before stdin was closed, so we have
// to loop test.
err = wait.PollImmediate(time.Second, time.Minute, func() (bool, error) {
if !e2epod.CheckPodsRunningReady(c, ns, []string{runTestPod.Name}, 1*time.Second) {
framework.Failf("Pod %q of Job %q should still be running", runTestPod.Name, "run-test-3")
}
logOutput := framework.RunKubectlOrDie(ns, "logs", runTestPod.Name)
gomega.Expect(logOutput).ToNot(gomega.ContainSubstring("stdin closed"))
return strings.Contains(logOutput, "abcd1234"), nil
})
framework.ExpectNoError(err)
gomega.Expect(c.CoreV1().Pods(ns).Delete(context.TODO(), "run-test-3", metav1.DeleteOptions{})).To(gomega.BeNil())
})