podman/test/e2e/checkpoint_test.go
Adrian Reber 0c9a941d01
Test that restored container does not depend on the original container
In the restore from external checkpoint archive test, the second restore
using a new name and ID is now done first to ensure that nothing in the
restored container depends on the original container.

Test has been adapted to catch errors like the one fixed with the
previous commit to adapt ConmonPidFile for restored containers.

Signed-off-by: Adrian Reber <areber@redhat.com>
2019-08-09 19:26:57 +02:00

581 lines
22 KiB
Go

// +build !remoteclient
package integration
import (
"net"
"os"
"os/exec"
"github.com/containers/libpod/pkg/criu"
. "github.com/containers/libpod/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
func getRunString(input []string) []string {
// CRIU does not work with seccomp correctly on RHEL7 : seccomp=unconfined
runString := []string{"run", "-it", "--security-opt", "seccomp=unconfined", "-d", "--ip", GetRandomIPAddress()}
return append(runString, input...)
}
var _ = Describe("Podman checkpoint", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
SkipIfRootless()
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
podmanTest.SeedImages()
// Check if the runtime implements checkpointing. Currently only
// runc's checkpoint/restore implementation is supported.
cmd := exec.Command(podmanTest.OCIRuntime, "checkpoint", "-h")
if err := cmd.Start(); err != nil {
Skip("OCI runtime does not support checkpoint/restore")
}
if err := cmd.Wait(); err != nil {
Skip("OCI runtime does not support checkpoint/restore")
}
if !criu.CheckForCriu() {
Skip("CRIU is missing or too old.")
}
// Only Fedora 29 and newer has a new enough selinux-policy and
// container-selinux package to support CRIU in correctly
// restoring threaded processes
hostInfo := podmanTest.Host
if hostInfo.Distribution == "fedora" && hostInfo.Version < "29" {
Skip("Checkpoint/Restore with SELinux only works on Fedora >= 29")
}
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("podman checkpoint bogus container", func() {
session := podmanTest.Podman([]string{"container", "checkpoint", "foobar"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Not(Equal(0)))
})
It("podman restore bogus container", func() {
session := podmanTest.Podman([]string{"container", "restore", "foobar"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Not(Equal(0)))
})
It("podman checkpoint a running container by id", func() {
localRunString := getRunString([]string{ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
cid := session.OutputToString()
result := podmanTest.Podman([]string{"container", "checkpoint", cid})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
result = podmanTest.Podman([]string{"container", "restore", cid})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
})
It("podman checkpoint a running container by name", func() {
localRunString := getRunString([]string{"--name", "test_name", ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
result := podmanTest.Podman([]string{"container", "checkpoint", "test_name"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
result = podmanTest.Podman([]string{"container", "restore", "test_name"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
})
It("podman pause a checkpointed container by id", func() {
localRunString := getRunString([]string{ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
cid := session.OutputToString()
result := podmanTest.Podman([]string{"container", "checkpoint", cid})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
result = podmanTest.Podman([]string{"pause", cid})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(125))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
result = podmanTest.Podman([]string{"container", "restore", cid})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
result = podmanTest.Podman([]string{"rm", cid})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(2))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
result = podmanTest.Podman([]string{"rm", "-f", cid})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
})
It("podman checkpoint latest running container", func() {
localRunString := getRunString([]string{"--name", "first", ALPINE, "top"})
session1 := podmanTest.Podman(localRunString)
session1.WaitWithDefaultTimeout()
Expect(session1.ExitCode()).To(Equal(0))
localRunString = getRunString([]string{"--name", "second", ALPINE, "top"})
session2 := podmanTest.Podman(localRunString)
session2.WaitWithDefaultTimeout()
Expect(session2.ExitCode()).To(Equal(0))
result := podmanTest.Podman([]string{"container", "checkpoint", "-l"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
ps := podmanTest.Podman([]string{"ps", "-q", "--no-trunc"})
ps.WaitWithDefaultTimeout()
Expect(ps.ExitCode()).To(Equal(0))
Expect(ps.LineInOutputContains(session1.OutputToString())).To(BeTrue())
Expect(ps.LineInOutputContains(session2.OutputToString())).To(BeFalse())
result = podmanTest.Podman([]string{"container", "restore", "-l"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
Expect(podmanTest.GetContainerStatus()).To(Not(ContainSubstring("Exited")))
result = podmanTest.Podman([]string{"rm", "-fa"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
})
It("podman checkpoint all running container", func() {
localRunString := getRunString([]string{"--name", "first", ALPINE, "top"})
session1 := podmanTest.Podman(localRunString)
session1.WaitWithDefaultTimeout()
Expect(session1.ExitCode()).To(Equal(0))
localRunString = getRunString([]string{"--name", "second", ALPINE, "top"})
session2 := podmanTest.Podman(localRunString)
session2.WaitWithDefaultTimeout()
Expect(session2.ExitCode()).To(Equal(0))
result := podmanTest.Podman([]string{"container", "checkpoint", "-a"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
ps := podmanTest.Podman([]string{"ps", "-q", "--no-trunc"})
ps.WaitWithDefaultTimeout()
Expect(ps.ExitCode()).To(Equal(0))
Expect(ps.LineInOutputContains(session1.OutputToString())).To(BeFalse())
Expect(ps.LineInOutputContains(session2.OutputToString())).To(BeFalse())
result = podmanTest.Podman([]string{"container", "restore", "-a"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
Expect(podmanTest.GetContainerStatus()).To(Not(ContainSubstring("Exited")))
result = podmanTest.Podman([]string{"rm", "-fa"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
})
It("podman checkpoint container with established tcp connections", func() {
localRunString := getRunString([]string{redis})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
IP := podmanTest.Podman([]string{"inspect", "-l", "--format={{.NetworkSettings.IPAddress}}"})
IP.WaitWithDefaultTimeout()
Expect(IP.ExitCode()).To(Equal(0))
// Open a network connection to the redis server
conn, err := net.Dial("tcp", IP.OutputToString()+":6379")
if err != nil {
os.Exit(1)
}
// This should fail as the container has established TCP connections
result := podmanTest.Podman([]string{"container", "checkpoint", "-l"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(125))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
// Now it should work thanks to "--tcp-established"
result = podmanTest.Podman([]string{"container", "checkpoint", "-l", "--tcp-established"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
// Restore should fail as the checkpoint image contains established TCP connections
result = podmanTest.Podman([]string{"container", "restore", "-l"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(125))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
// Now it should work thanks to "--tcp-established"
result = podmanTest.Podman([]string{"container", "restore", "-l", "--tcp-established"})
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))
conn.Close()
})
It("podman checkpoint with --leave-running", func() {
localRunString := getRunString([]string{ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
cid := session.OutputToString()
// Checkpoint container, but leave it running
result := podmanTest.Podman([]string{"container", "checkpoint", "--leave-running", cid})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
// Make sure it is still running
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
// Stop the container
result = podmanTest.Podman([]string{"container", "stop", cid})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
// Restore the stopped container from the previous checkpoint
result = podmanTest.Podman([]string{"container", "restore", cid})
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))
})
It("podman checkpoint and restore container with same IP", func() {
localRunString := getRunString([]string{"--name", "test_name", ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
IPBefore := podmanTest.Podman([]string{"inspect", "-l", "--format={{.NetworkSettings.IPAddress}}"})
IPBefore.WaitWithDefaultTimeout()
Expect(IPBefore.ExitCode()).To(Equal(0))
result := podmanTest.Podman([]string{"container", "checkpoint", "test_name"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
result = podmanTest.Podman([]string{"container", "restore", "test_name"})
result.WaitWithDefaultTimeout()
IPAfter := podmanTest.Podman([]string{"inspect", "-l", "--format={{.NetworkSettings.IPAddress}}"})
IPAfter.WaitWithDefaultTimeout()
Expect(IPAfter.ExitCode()).To(Equal(0))
// Check that IP address did not change between checkpointing and restoring
Expect(IPBefore.OutputToString()).To(Equal(IPAfter.OutputToString()))
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))
})
// 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() {
localRunString := getRunString([]string{"--rm", ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
cid := session.OutputToString()
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
result := podmanTest.Podman([]string{"container", "checkpoint", "-l", "-e", fileName})
result.WaitWithDefaultTimeout()
// As the container has been started with '--rm' it will be completely
// cleaned up after checkpointing.
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
// Restore container the first time with different name.
// Using '--ignore-static-ip' as for parallel test runs
// each containers gets a random IP address via '--ip'.
// '--ignore-static-ip' tells the restore to use the next
// available IP address.
// First restore the container with a new name/ID to make
// sure nothing in the restored container depends on the
// original container.
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName, "-n", "restore_again", "--ignore-static-ip"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2))
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))
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
// Remove exported checkpoint
os.Remove(fileName)
})
It("podman checkpoint and restore container with root file-system changes", func() {
// Start the container
localRunString := getRunString([]string{"--rm", ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
cid := session.OutputToString()
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
// Change the container's root file-system
result := podmanTest.Podman([]string{"exec", "-l", "/bin/sh", "-c", "echo test" + cid + "test > /test.output"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
// Checkpoint the container
result = podmanTest.Podman([]string{"container", "checkpoint", "-l", "-e", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
// Restore the container
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.NumberOfContainers()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
// Verify the changes to the container's root file-system
result = podmanTest.Podman([]string{"exec", "-l", "cat", "/test.output"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.OutputToString()).To(ContainSubstring("test" + cid + "test"))
// Remove exported checkpoint
os.Remove(fileName)
})
It("podman checkpoint and restore container with root file-system changes using --ignore-rootfs during restore", func() {
// Start the container
localRunString := getRunString([]string{"--rm", ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
cid := session.OutputToString()
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
// Change the container's root file-system
result := podmanTest.Podman([]string{"exec", "-l", "/bin/sh", "-c", "echo test" + cid + "test > /test.output"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
// Checkpoint the container
result = podmanTest.Podman([]string{"container", "checkpoint", "-l", "-e", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
// Restore the container
result = podmanTest.Podman([]string{"container", "restore", "--ignore-rootfs", "-i", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.NumberOfContainers()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
// Verify the changes to the container's root file-system
result = podmanTest.Podman([]string{"exec", "-l", "cat", "/test.output"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(1))
Expect(result.ErrorToString()).To(ContainSubstring("cat: can't open '/test.output': No such file or directory"))
// Remove exported checkpoint
os.Remove(fileName)
})
It("podman checkpoint and restore container with root file-system changes using --ignore-rootfs during checkpoint", func() {
// Start the container
localRunString := getRunString([]string{"--rm", ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
cid := session.OutputToString()
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
// Change the container's root file-system
result := podmanTest.Podman([]string{"exec", "-l", "/bin/sh", "-c", "echo test" + cid + "test > /test.output"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
// Checkpoint the container
result = podmanTest.Podman([]string{"container", "checkpoint", "--ignore-rootfs", "-l", "-e", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
// Restore the container
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.NumberOfContainers()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
// Verify the changes to the container's root file-system
result = podmanTest.Podman([]string{"exec", "-l", "cat", "/test.output"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(1))
Expect(result.ErrorToString()).To(ContainSubstring("cat: can't open '/test.output': No such file or directory"))
// Remove exported checkpoint
os.Remove(fileName)
})
It("podman checkpoint and run exec in restored container", func() {
// Start the container
localRunString := getRunString([]string{"--rm", ALPINE, "top"})
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
cid := session.OutputToString()
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
// Checkpoint the container
result := podmanTest.Podman([]string{"container", "checkpoint", "-l", "-e", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
// Restore the container
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.NumberOfContainers()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
// Exec in the container
result = podmanTest.Podman([]string{"exec", "-l", "/bin/sh", "-c", "echo " + cid + " > /test.output"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
result = podmanTest.Podman([]string{"exec", "-l", "cat", "/test.output"})
result.WaitWithDefaultTimeout()
Expect(result.ExitCode()).To(Equal(0))
Expect(result.OutputToString()).To(ContainSubstring(cid))
// Remove exported checkpoint
os.Remove(fileName)
})
})