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Add test case for container migration

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The difference between container checkpoint/restore and container
migration is that for migration the container which was checkpointed
must not exist during restore. To simulate migration the container
is remove ('podman rm -fa') before being restored. The migration test
does following steps:

 * podman run
 * podman container checkpoint -l -e /tmp/checkpoint.tar.gz
 * podman rm -fa
 * podman container restore -i /tmp/checkpoint.tar.gz

Signed-off-by: Adrian Reber <areber@redhat.com>
This commit is contained in:
Adrian Reber
2019-02-05 16:26:30 +00:00
parent 0028578b43
commit 2aa3261744
1 changed files with 34 additions and 0 deletions
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34
test/e2e/checkpoint_test.go
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@@ -347,4 +347,38 @@ var _ = Describe("Podman checkpoint", func() {
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
})
// This test does the same steps which are necessary for migrating
// a container from one host to another
It("podman checkpoint container with export (migration)", func() {
// CRIU does not work with seccomp correctly on RHEL7
session := podmanTest.Podman([]string{"run", "-it", "--security-opt", "seccomp=unconfined", "-d", ALPINE, "top"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
result := podmanTest.Podman([]string{"container", "checkpoint", "-l", "-e", "/tmp/checkpoint.tar.gz"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
// Remove all containers to simulate migration
result = podmanTest.Podman([]string{"rm", "-fa"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
result = podmanTest.Podman([]string{"container", "restore", "-i", "/tmp/checkpoint.tar.gz"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
result = podmanTest.Podman([]string{"rm", "-fa"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
})
})