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-rw-r--r--test/e2e/pod_initcontainers_test.go171
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()))
+ })
+
+})