From 92dce3e2febc752434c08574cbb394545c7fef47 Mon Sep 17 00:00:00 2001 From: Adrian Reber Date: Thu, 8 Jul 2021 15:24:31 +0000 Subject: Prepare CRIU version check to work with multiple versions The upcoming commit to support checkpointing out of Pods requires CRIU 3.16. This changes the CRIU version check to support checking for different versions. Signed-off-by: Adrian Reber --- test/e2e/checkpoint_test.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'test') diff --git a/test/e2e/checkpoint_test.go b/test/e2e/checkpoint_test.go index b5bbfcd5c..cbebffe81 100644 --- a/test/e2e/checkpoint_test.go +++ b/test/e2e/checkpoint_test.go @@ -46,7 +46,7 @@ var _ = Describe("Podman checkpoint", func() { Skip("OCI runtime does not support checkpoint/restore") } - if !criu.CheckForCriu() { + if !criu.CheckForCriu(criu.MinCriuVersion) { Skip("CRIU is missing or too old.") } // Only Fedora 29 and newer has a new enough selinux-policy and -- cgit v1.2.3-54-g00ecf From 60b9e8c0da683d253f3828f00442fc5a75540368 Mon Sep 17 00:00:00 2001 From: Adrian Reber Date: Mon, 12 Jul 2021 16:19:15 +0000 Subject: Added tests for out of and into pod checkpoint and restore support Signed-off-by: Adrian Reber --- test/e2e/checkpoint_test.go | 162 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 162 insertions(+) (limited to 'test') diff --git a/test/e2e/checkpoint_test.go b/test/e2e/checkpoint_test.go index cbebffe81..1c9a8dc6f 100644 --- a/test/e2e/checkpoint_test.go +++ b/test/e2e/checkpoint_test.go @@ -1,11 +1,13 @@ package integration import ( + "fmt" "net" "os" "os/exec" "strings" + "github.com/containers/podman/v3/pkg/checkpoint/crutils" "github.com/containers/podman/v3/pkg/criu" . "github.com/containers/podman/v3/test/utils" . "github.com/onsi/ginkgo" @@ -977,4 +979,164 @@ var _ = Describe("Podman checkpoint", func() { // Remove exported checkpoint os.Remove(fileName) }) + + namespaceCombination := []string{ + "cgroup,ipc,net,uts,pid", + "cgroup,ipc,net,uts", + "cgroup,ipc,net", + "cgroup,ipc", + "ipc,net,uts,pid", + "ipc,net,uts", + "ipc,net", + "net,uts,pid", + "net,uts", + "uts,pid", + } + for _, share := range namespaceCombination { + testName := fmt.Sprintf( + "podman checkpoint and restore container out of and into pod (%s)", + share, + ) + It(testName, func() { + if !criu.CheckForCriu(criu.PodCriuVersion) { + Skip("CRIU is missing or too old.") + } + if !crutils.CRRuntimeSupportsPodCheckpointRestore(podmanTest.OCIRuntime) { + Skip("runtime does not support pod restore") + } + // Create a pod + session := podmanTest.Podman([]string{ + "pod", + "create", + "--share", + share, + }) + session.WaitWithDefaultTimeout() + Expect(session).To(Exit(0)) + podID := session.OutputToString() + + session = podmanTest.Podman([]string{ + "run", + "-d", + "--rm", + "--pod", + podID, + ALPINE, + "top", + }) + session.WaitWithDefaultTimeout() + Expect(session).To(Exit(0)) + cid := session.OutputToString() + + fileName := "/tmp/checkpoint-" + cid + ".tar.gz" + + // Checkpoint the container + result := podmanTest.Podman([]string{ + "container", + "checkpoint", + "-e", + fileName, + cid, + }) + result.WaitWithDefaultTimeout() + + // As the container has been started with '--rm' it will be completely + // cleaned up after checkpointing. + Expect(result).To(Exit(0)) + Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1)) + Expect(podmanTest.NumberOfContainers()).To(Equal(1)) + + // Remove the pod and create a new pod + result = podmanTest.Podman([]string{ + "pod", + "rm", + podID, + }) + result.WaitWithDefaultTimeout() + Expect(result).To(Exit(0)) + + // First create a pod with different shared namespaces. + // Restore should fail + + wrongShare := share[:strings.LastIndex(share, ",")] + + session = podmanTest.Podman([]string{ + "pod", + "create", + "--share", + wrongShare, + }) + session.WaitWithDefaultTimeout() + Expect(session).To(Exit(0)) + podID = session.OutputToString() + + // Restore container with different port mapping + result = podmanTest.Podman([]string{ + "container", + "restore", + "--pod", + podID, + "-i", + fileName, + }) + result.WaitWithDefaultTimeout() + Expect(result).To(Exit(125)) + Expect(result.ErrorToString()).To(ContainSubstring("does not share the")) + + // Remove the pod and create a new pod + result = podmanTest.Podman([]string{ + "pod", + "rm", + podID, + }) + result.WaitWithDefaultTimeout() + Expect(result).To(Exit(0)) + + session = podmanTest.Podman([]string{ + "pod", + "create", + "--share", + share, + }) + session.WaitWithDefaultTimeout() + Expect(session).To(Exit(0)) + podID = session.OutputToString() + + // Restore container with different port mapping + result = podmanTest.Podman([]string{ + "container", + "restore", + "--pod", + podID, + "-i", + fileName, + }) + result.WaitWithDefaultTimeout() + + Expect(result).To(Exit(0)) + Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2)) + Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up")) + + result = podmanTest.Podman([]string{ + "rm", + "-f", + result.OutputToString(), + }) + result.WaitWithDefaultTimeout() + Expect(result).To(Exit(0)) + Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1)) + Expect(podmanTest.NumberOfContainers()).To(Equal(1)) + + result = podmanTest.Podman([]string{ + "pod", + "rm", + "-fa", + }) + result.WaitWithDefaultTimeout() + Expect(result).To(Exit(0)) + + // Remove exported checkpoint + os.Remove(fileName) + }) + } }) -- cgit v1.2.3-54-g00ecf