diff options
Diffstat (limited to 'test/e2e/pod_initcontainers_test.go')
| -rw-r--r-- | test/e2e/pod_initcontainers_test.go | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/test/e2e/pod_initcontainers_test.go b/test/e2e/pod_initcontainers_test.go new file mode 100644 index 000000000..606294f51 --- /dev/null +++ b/test/e2e/pod_initcontainers_test.go @@ -0,0 +1,171 @@ +package integration + +import ( + "fmt" + "os" + "path/filepath" + + "github.com/containers/podman/v3/libpod/define" + . "github.com/containers/podman/v3/test/utils" + . "github.com/onsi/ginkgo" + . "github.com/onsi/gomega" + . "github.com/onsi/gomega/gexec" +) + +var _ = Describe("Podman init containers", func() { + var ( + tempdir string + err error + podmanTest *PodmanTestIntegration + ) + + BeforeEach(func() { + tempdir, err = CreateTempDirInTempDir() + if err != nil { + os.Exit(1) + } + podmanTest = PodmanTestCreate(tempdir) + podmanTest.Setup() + podmanTest.SeedImages() + }) + + AfterEach(func() { + podmanTest.Cleanup() + f := CurrentGinkgoTestDescription() + processTestResult(f) + + }) + + It("podman create init container without --pod should fail", func() { + session := podmanTest.Podman([]string{"create", "--init-ctr", "always", ALPINE, "top"}) + session.WaitWithDefaultTimeout() + Expect(session).Should(Exit(125)) + }) + + It("podman create init container with bad init type should fail", func() { + session := podmanTest.Podman([]string{"create", "--init-ctr", "unknown", "--pod", "new:foobar", ALPINE, "top"}) + session.WaitWithDefaultTimeout() + Expect(session).Should(Exit(125)) + }) + + It("podman init containers should not degrade pod status", func() { + // create a pod + topPod := podmanTest.Podman([]string{"create", "-t", "--pod", "new:foobar", ALPINE, "top"}) + topPod.WaitWithDefaultTimeout() + Expect(topPod).Should(Exit(0)) + // add an init container + session := podmanTest.Podman([]string{"create", "--init-ctr", "always", "--pod", "foobar", ALPINE, "date"}) + session.WaitWithDefaultTimeout() + Expect(session).Should(Exit(0)) + // start a pod + start := podmanTest.Podman([]string{"pod", "start", "foobar"}) + start.WaitWithDefaultTimeout() + Expect(start).Should(Exit(0)) + + inspect := podmanTest.Podman([]string{"pod", "inspect", "foobar"}) + inspect.WaitWithDefaultTimeout() + Expect(inspect).Should(Exit(0)) + data := inspect.InspectPodToJSON() + Expect(data.State).To(Equal(define.PodStateRunning)) + }) + + It("podman create init container should fail in running pod", func() { + // create a running pod + topPod := podmanTest.Podman([]string{"run", "-dt", "--pod", "new:foobar", ALPINE, "top"}) + topPod.WaitWithDefaultTimeout() + Expect(topPod).Should(Exit(0)) + // adding init-ctr to running pod should fail + session := podmanTest.Podman([]string{"create", "--init-ctr", "always", "--pod", "foobar", ALPINE, "date"}) + session.WaitWithDefaultTimeout() + Expect(session).Should(Exit(125)) + }) + + It("podman make sure init container runs before pod containers", func() { + filename := filepath.Join("/dev/shm", RandomString(12)) + content := RandomString(16) + session := podmanTest.Podman([]string{"create", "--init-ctr", "always", "--pod", "new:foobar", ALPINE, "bin/sh", "-c", fmt.Sprintf("echo %s > %s", content, filename)}) + session.WaitWithDefaultTimeout() + Expect(session).Should(Exit(0)) + verify := podmanTest.Podman([]string{"create", "--pod", "foobar", "-t", ALPINE, "top"}) + verify.WaitWithDefaultTimeout() + Expect(verify).Should(Exit(0)) + start := podmanTest.Podman([]string{"pod", "start", "foobar"}) + start.WaitWithDefaultTimeout() + Expect(start).Should(Exit(0)) + checkLog := podmanTest.Podman([]string{"exec", "-it", verify.OutputToString(), "cat", filename}) + checkLog.WaitWithDefaultTimeout() + Expect(checkLog).Should(Exit(0)) + Expect(checkLog.OutputToString()).To(Equal(content)) + }) + + It("podman make sure oneshot container is removed", func() { + filename := filepath.Join("/dev/shm", RandomString(12)) + content := RandomString(16) + session := podmanTest.Podman([]string{"create", "--init-ctr", "oneshot", "--pod", "new:foobar", ALPINE, "bin/sh", "-c", fmt.Sprintf("echo %s > %s", content, filename)}) + session.WaitWithDefaultTimeout() + initContainerID := session.OutputToString() + Expect(session).Should(Exit(0)) + verify := podmanTest.Podman([]string{"create", "--pod", "foobar", "-t", ALPINE, "top"}) + verify.WaitWithDefaultTimeout() + Expect(verify).Should(Exit(0)) + start := podmanTest.Podman([]string{"pod", "start", "foobar"}) + start.WaitWithDefaultTimeout() + Expect(start).Should(Exit(0)) + check := podmanTest.Podman([]string{"container", "exists", initContainerID}) + check.WaitWithDefaultTimeout() + // Container was rm'd + //Expect(check).Should(Exit(1)) + Expect(check.ExitCode()).To(Equal(1), "I dont understand why the other way does not work") + // Lets double check with a stop and start + stopPod := podmanTest.Podman([]string{"pod", "stop", "foobar"}) + stopPod.WaitWithDefaultTimeout() + Expect(stopPod).Should(Exit(0)) + startPod := podmanTest.Podman([]string{"pod", "start", "foobar"}) + startPod.WaitWithDefaultTimeout() + Expect(startPod).Should(Exit(0)) + + // Because no init was run, the file should not even exist + doubleCheck := podmanTest.Podman([]string{"exec", "-it", verify.OutputToString(), "cat", filename}) + doubleCheck.WaitWithDefaultTimeout() + Expect(doubleCheck).Should(Exit(1)) + + }) + + It("podman ensure always init containers always run", func() { + filename := filepath.Join("/dev/shm", RandomString(12)) + + // Write the date to a file + session := podmanTest.Podman([]string{"create", "--init-ctr", "always", "--pod", "new:foobar", ALPINE, "bin/sh", "-c", fmt.Sprintf("date > %s", filename)}) + session.WaitWithDefaultTimeout() + Expect(session).Should(Exit(0)) + verify := podmanTest.Podman([]string{"create", "--pod", "foobar", "-t", ALPINE, "top"}) + verify.WaitWithDefaultTimeout() + Expect(verify).Should(Exit(0)) + start := podmanTest.Podman([]string{"pod", "start", "foobar"}) + start.WaitWithDefaultTimeout() + Expect(start).Should(Exit(0)) + + // capture the date written + checkLog := podmanTest.Podman([]string{"exec", "-it", verify.OutputToString(), "cat", filename}) + checkLog.WaitWithDefaultTimeout() + firstResult := checkLog.OutputToString() + Expect(checkLog).Should(Exit(0)) + + // Stop and start the pod + stopPod := podmanTest.Podman([]string{"pod", "stop", "foobar"}) + stopPod.WaitWithDefaultTimeout() + Expect(stopPod).Should(Exit(0)) + startPod := podmanTest.Podman([]string{"pod", "start", "foobar"}) + startPod.WaitWithDefaultTimeout() + Expect(startPod).Should(Exit(0)) + + // Check the file again with exec + secondCheckLog := podmanTest.Podman([]string{"exec", "-it", verify.OutputToString(), "cat", filename}) + secondCheckLog.WaitWithDefaultTimeout() + Expect(secondCheckLog).Should(Exit(0)) + + // Dates should not match + Expect(firstResult).ToNot(Equal(secondCheckLog.OutputToString())) + }) + +}) |