1716 lines
61 KiB
Go
1716 lines
61 KiB
Go
package integration
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import (
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"encoding/json"
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"fmt"
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"net"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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"time"
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"github.com/checkpoint-restore/go-criu/v5/stats"
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"github.com/containers/podman/v4/pkg/checkpoint/crutils"
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"github.com/containers/podman/v4/pkg/criu"
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"github.com/containers/podman/v4/pkg/domain/entities"
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. "github.com/containers/podman/v4/test/utils"
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"github.com/containers/podman/v4/utils"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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. "github.com/onsi/gomega/gexec"
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)
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func getRunString(input []string) []string {
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// CRIU does not work with seccomp correctly on RHEL7 : seccomp=unconfined
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runString := []string{"run", "-it", "--security-opt", "seccomp=unconfined", "-d", "--ip", GetRandomIPAddress()}
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return append(runString, input...)
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}
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var _ = Describe("Podman checkpoint", func() {
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var (
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tempdir string
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err error
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podmanTest *PodmanTestIntegration
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)
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BeforeEach(func() {
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SkipIfRootless("checkpoint not supported in rootless mode")
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tempdir, err = CreateTempDirInTempDir()
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Expect(err).To(BeNil())
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podmanTest = PodmanTestCreate(tempdir)
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podmanTest.Setup()
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// Check if the runtime implements checkpointing. Currently only
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// runc's checkpoint/restore implementation is supported.
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cmd := exec.Command(podmanTest.OCIRuntime, "checkpoint", "--help")
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if err := cmd.Start(); err != nil {
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Skip("OCI runtime does not support checkpoint/restore")
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}
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if err := cmd.Wait(); err != nil {
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Skip("OCI runtime does not support checkpoint/restore")
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}
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if !criu.CheckForCriu(criu.MinCriuVersion) {
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Skip("CRIU is missing or too old.")
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}
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// Only Fedora 29 and newer has a new enough selinux-policy and
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// container-selinux package to support CRIU in correctly
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// restoring threaded processes
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hostInfo := podmanTest.Host
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if hostInfo.Distribution == "fedora" && hostInfo.Version < "29" {
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Skip("Checkpoint/Restore with SELinux only works on Fedora >= 29")
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}
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})
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AfterEach(func() {
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podmanTest.Cleanup()
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f := CurrentGinkgoTestDescription()
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processTestResult(f)
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})
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It("podman checkpoint bogus container", func() {
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session := podmanTest.Podman([]string{"container", "checkpoint", "foobar"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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})
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It("podman restore bogus container", func() {
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session := podmanTest.Podman([]string{"container", "restore", "foobar"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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})
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It("podman checkpoint a running container by id", func() {
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localRunString := getRunString([]string{ALPINE, "top"})
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session := podmanTest.Podman(localRunString)
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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cid := session.OutputToString()
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// Check if none of the checkpoint/restore specific information is displayed
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// for newly started containers.
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inspect := podmanTest.Podman([]string{"inspect", cid})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(Exit(0))
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inspectOut := inspect.InspectContainerToJSON()
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Expect(inspectOut[0].State.Checkpointed).To(BeFalse(), ".State.Checkpointed")
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Expect(inspectOut[0].State.Restored).To(BeFalse(), ".State.Restored")
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Expect(inspectOut[0].State).To(HaveField("CheckpointPath", ""))
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Expect(inspectOut[0].State).To(HaveField("CheckpointLog", ""))
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Expect(inspectOut[0].State).To(HaveField("RestoreLog", ""))
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result := podmanTest.Podman([]string{
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"container",
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"checkpoint",
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"--keep",
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cid,
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})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
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// For a checkpointed container we expect the checkpoint related information
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// to be populated.
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inspect = podmanTest.Podman([]string{"inspect", cid})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(Exit(0))
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inspectOut = inspect.InspectContainerToJSON()
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Expect(inspectOut[0].State.Checkpointed).To(BeTrue(), ".State.Checkpointed")
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Expect(inspectOut[0].State.Restored).To(BeFalse(), ".State.Restored")
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Expect(inspectOut[0].State.CheckpointPath).To(ContainSubstring("userdata/checkpoint"))
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Expect(inspectOut[0].State.CheckpointLog).To(ContainSubstring("userdata/dump.log"))
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Expect(inspectOut[0].State).To(HaveField("RestoreLog", ""))
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result = podmanTest.Podman([]string{
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"container",
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"restore",
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"--keep",
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cid,
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})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
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inspect = podmanTest.Podman([]string{"inspect", cid})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(Exit(0))
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inspectOut = inspect.InspectContainerToJSON()
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Expect(inspectOut[0].State.Restored).To(BeTrue(), ".State.Restored")
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Expect(inspectOut[0].State.Checkpointed).To(BeFalse(), ".State.Checkpointed")
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Expect(inspectOut[0].State.CheckpointPath).To(ContainSubstring("userdata/checkpoint"))
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Expect(inspectOut[0].State.CheckpointLog).To(ContainSubstring("userdata/dump.log"))
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Expect(inspectOut[0].State.RestoreLog).To(ContainSubstring("userdata/restore.log"))
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result = podmanTest.Podman([]string{
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"container",
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"stop",
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"--timeout",
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"0",
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cid,
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})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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result = podmanTest.Podman([]string{
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"container",
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"start",
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cid,
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})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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// Stopping and starting the container should remove all checkpoint
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// related information from inspect again.
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inspect = podmanTest.Podman([]string{"inspect", cid})
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inspect.WaitWithDefaultTimeout()
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Expect(inspect).Should(Exit(0))
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inspectOut = inspect.InspectContainerToJSON()
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Expect(inspectOut[0].State.Checkpointed).To(BeFalse(), ".State.Checkpointed")
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Expect(inspectOut[0].State.Restored).To(BeFalse(), ".State.Restored")
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Expect(inspectOut[0].State).To(HaveField("CheckpointPath", ""))
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Expect(inspectOut[0].State).To(HaveField("CheckpointLog", ""))
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Expect(inspectOut[0].State).To(HaveField("RestoreLog", ""))
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})
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It("podman checkpoint a running container by name", func() {
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localRunString := getRunString([]string{"--name", "test_name", ALPINE, "top"})
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session := podmanTest.Podman(localRunString)
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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result := podmanTest.Podman([]string{"container", "checkpoint", "test_name"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
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result = podmanTest.Podman([]string{"container", "restore", "test_name"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
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})
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It("podman pause a checkpointed container by id", func() {
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localRunString := getRunString([]string{ALPINE, "top"})
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session := podmanTest.Podman(localRunString)
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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cid := session.OutputToString()
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result := podmanTest.Podman([]string{"container", "checkpoint", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
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result = podmanTest.Podman([]string{"pause", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(125))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
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result = podmanTest.Podman([]string{"container", "restore", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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result = podmanTest.Podman([]string{"rm", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(2))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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result = podmanTest.Podman([]string{"rm", "-t", "1", "-f", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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})
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It("podman checkpoint latest running container", func() {
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localRunString := getRunString([]string{"--name", "first", ALPINE, "top"})
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session1 := podmanTest.Podman(localRunString)
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session1.WaitWithDefaultTimeout()
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Expect(session1).Should(Exit(0))
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localRunString = getRunString([]string{"--name", "second", ALPINE, "top"})
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session2 := podmanTest.Podman(localRunString)
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session2.WaitWithDefaultTimeout()
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Expect(session2).Should(Exit(0))
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result := podmanTest.Podman([]string{"container", "checkpoint", "second"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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ps := podmanTest.Podman([]string{"ps", "-q", "--no-trunc"})
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ps.WaitWithDefaultTimeout()
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Expect(ps).Should(Exit(0))
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Expect(ps.OutputToString()).To(ContainSubstring(session1.OutputToString()))
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Expect(ps.OutputToString()).To(Not(ContainSubstring(session2.OutputToString())))
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result = podmanTest.Podman([]string{"container", "restore", "second"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
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Expect(podmanTest.GetContainerStatus()).To(Not(ContainSubstring("Exited")))
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result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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})
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It("podman checkpoint all running container", func() {
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localRunString := getRunString([]string{"--name", "first", ALPINE, "top"})
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session1 := podmanTest.Podman(localRunString)
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session1.WaitWithDefaultTimeout()
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Expect(session1).Should(Exit(0))
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localRunString = getRunString([]string{"--name", "second", ALPINE, "top"})
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session2 := podmanTest.Podman(localRunString)
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session2.WaitWithDefaultTimeout()
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Expect(session2).Should(Exit(0))
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result := podmanTest.Podman([]string{"container", "checkpoint", "-a"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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ps := podmanTest.Podman([]string{"ps", "-q", "--no-trunc"})
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ps.WaitWithDefaultTimeout()
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Expect(ps).Should(Exit(0))
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Expect(ps.OutputToString()).To(Not(ContainSubstring(session1.OutputToString())))
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Expect(ps.OutputToString()).To(Not(ContainSubstring(session2.OutputToString())))
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result = podmanTest.Podman([]string{"container", "restore", "-a"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
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Expect(podmanTest.GetContainerStatus()).To(Not(ContainSubstring("Exited")))
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result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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})
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It("podman checkpoint container with established tcp connections", func() {
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// Broken on Ubuntu.
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SkipIfNotFedora()
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localRunString := getRunString([]string{redis})
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session := podmanTest.Podman(localRunString)
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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cid := session.OutputToString()
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if !WaitContainerReady(podmanTest, cid, "Ready to accept connections", 20, 1) {
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Fail("Container failed to get ready")
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}
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IP := podmanTest.Podman([]string{"inspect", cid, "--format={{.NetworkSettings.IPAddress}}"})
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IP.WaitWithDefaultTimeout()
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Expect(IP).Should(Exit(0))
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// Open a network connection to the redis server
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conn, err := net.DialTimeout("tcp4", IP.OutputToString()+":6379", time.Duration(3)*time.Second)
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Expect(err).To(BeNil())
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// This should fail as the container has established TCP connections
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result := podmanTest.Podman([]string{"container", "checkpoint", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(125))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
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// Now it should work thanks to "--tcp-established"
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result = podmanTest.Podman([]string{"container", "checkpoint", cid, "--tcp-established"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
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// Restore should fail as the checkpoint image contains established TCP connections
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result = podmanTest.Podman([]string{"container", "restore", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(125))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
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// Now it should work thanks to "--tcp-established"
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result = podmanTest.Podman([]string{"container", "restore", cid, "--tcp-established"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
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result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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conn.Close()
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})
|
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|
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It("podman checkpoint with --leave-running", func() {
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localRunString := getRunString([]string{ALPINE, "top"})
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session := podmanTest.Podman(localRunString)
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
|
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cid := session.OutputToString()
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|
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// Checkpoint container, but leave it running
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result := podmanTest.Podman([]string{"container", "checkpoint", "--leave-running", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
|
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// Make sure it is still running
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
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|
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// Stop the container
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result = podmanTest.Podman([]string{"container", "stop", cid})
|
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result.WaitWithDefaultTimeout()
|
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|
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Expect(result).Should(Exit(0))
|
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
|
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|
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// Restore the stopped container from the previous checkpoint
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result = podmanTest.Podman([]string{"container", "restore", cid})
|
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result.WaitWithDefaultTimeout()
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|
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Expect(result).Should(Exit(0))
|
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
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|
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result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
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result.WaitWithDefaultTimeout()
|
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Expect(result).Should(Exit(0))
|
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
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})
|
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|
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It("podman checkpoint and restore container with same IP", func() {
|
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localRunString := getRunString([]string{"--name", "test_name", ALPINE, "top"})
|
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session := podmanTest.Podman(localRunString)
|
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session.WaitWithDefaultTimeout()
|
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Expect(session).Should(Exit(0))
|
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|
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IPBefore := podmanTest.Podman([]string{"inspect", "test_name", "--format={{.NetworkSettings.IPAddress}}"})
|
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IPBefore.WaitWithDefaultTimeout()
|
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Expect(IPBefore).Should(Exit(0))
|
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|
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MACBefore := podmanTest.Podman([]string{"inspect", "test_name", "--format={{.NetworkSettings.MacAddress}}"})
|
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MACBefore.WaitWithDefaultTimeout()
|
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Expect(MACBefore).Should(Exit(0))
|
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|
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result := podmanTest.Podman([]string{"container", "checkpoint", "test_name"})
|
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result.WaitWithDefaultTimeout()
|
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|
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Expect(result).Should(Exit(0))
|
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
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Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
|
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result = podmanTest.Podman([]string{"container", "restore", "test_name"})
|
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result.WaitWithDefaultTimeout()
|
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|
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IPAfter := podmanTest.Podman([]string{"inspect", "test_name", "--format={{.NetworkSettings.IPAddress}}"})
|
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IPAfter.WaitWithDefaultTimeout()
|
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Expect(IPAfter).Should(Exit(0))
|
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|
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MACAfter := podmanTest.Podman([]string{"inspect", "test_name", "--format={{.NetworkSettings.MacAddress}}"})
|
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MACAfter.WaitWithDefaultTimeout()
|
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Expect(MACAfter).Should(Exit(0))
|
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|
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// Check that IP address did not change between checkpointing and restoring
|
|
Expect(IPBefore.OutputToString()).To(Equal(IPAfter.OutputToString()))
|
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|
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// Check that MAC address did not change between checkpointing and restoring
|
|
Expect(MACBefore.OutputToString()).To(Equal(MACAfter.OutputToString()))
|
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|
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Expect(result).Should(Exit(0))
|
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(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).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
cid := session.OutputToString()
|
|
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
|
|
|
|
result := podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(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).Should(Exit(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).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Remove exported checkpoint
|
|
os.Remove(fileName)
|
|
})
|
|
// This test does the same steps which are necessary for migrating
|
|
// a container from one host to another
|
|
It("podman checkpoint container with export and different compression algorithms", func() {
|
|
localRunString := getRunString([]string{"--rm", ALPINE, "top"})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
cid := session.OutputToString()
|
|
fileName := "/tmp/checkpoint-" + cid + ".tar"
|
|
|
|
// Checkpoint with the default algorithm
|
|
result := podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Restore container
|
|
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
// Checkpoint with the zstd algorithm
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName, "--compress", "zstd"})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Restore container
|
|
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
// Checkpoint with the none algorithm
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName, "-c", "none"})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Restore container
|
|
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
// Checkpoint with the gzip algorithm
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName, "-c", "gzip"})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Restore container
|
|
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
// Checkpoint with the non-existing algorithm
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName, "-c", "non-existing"})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(125))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(1))
|
|
|
|
result = podmanTest.Podman([]string{"rm", "--time", "0", "-fa"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(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).Should(Exit(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", cid, "/bin/sh", "-c", "echo test" + cid + "test > /test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
result = podmanTest.Podman([]string{"exec", cid, "/bin/sh", "-c", "rm /etc/motd"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
result = podmanTest.Podman([]string{"diff", cid})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(result.OutputToString()).To(ContainSubstring("C /etc"))
|
|
Expect(result.OutputToString()).To(ContainSubstring("A /test.output"))
|
|
Expect(result.OutputToString()).To(ContainSubstring("D /etc/motd"))
|
|
Expect(result.OutputToStringArray()).To(HaveLen(3))
|
|
|
|
// Checkpoint the container
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(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).Should(Exit(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", cid, "cat", "/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(result.OutputToString()).To(ContainSubstring("test" + cid + "test"))
|
|
|
|
result = podmanTest.Podman([]string{"diff", cid})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(result.OutputToString()).To(ContainSubstring("C /etc"))
|
|
Expect(result.OutputToString()).To(ContainSubstring("A /test.output"))
|
|
Expect(result.OutputToString()).To(ContainSubstring("D /etc/motd"))
|
|
Expect(result.OutputToStringArray()).To(HaveLen(3))
|
|
|
|
// 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
|
|
// test that restore works without network namespace (https://github.com/containers/podman/issues/14389)
|
|
session := podmanTest.Podman([]string{"run", "--network=none", "-d", "--rm", ALPINE, "top"})
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(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", cid, "/bin/sh", "-c", "echo test" + cid + "test > /test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
// Checkpoint the container
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(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).Should(Exit(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", cid, "cat", "/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(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).Should(Exit(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", cid, "/bin/sh", "-c", "echo test" + cid + "test > /test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
// Checkpoint the container
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", "--ignore-rootfs", cid, "-e", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(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).Should(Exit(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", cid, "cat", "/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(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).Should(Exit(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", cid, "-e", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(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).Should(Exit(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", cid, "/bin/sh", "-c", "echo " + cid + " > /test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
result = podmanTest.Podman([]string{"exec", cid, "cat", "/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(result.OutputToString()).To(ContainSubstring(cid))
|
|
|
|
// Remove exported checkpoint
|
|
os.Remove(fileName)
|
|
})
|
|
|
|
It("podman checkpoint a container started with --rm", func() {
|
|
// Start the container
|
|
localRunString := getRunString([]string{"--rm", ALPINE, "top"})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
cid := session.OutputToString()
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
|
|
// Checkpoint the container - this should fail as it was started with --rm
|
|
result := podmanTest.Podman([]string{"container", "checkpoint", cid})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).To(ExitWithError())
|
|
Expect(result.ErrorToString()).To(ContainSubstring("cannot checkpoint containers that have been started with '--rm'"))
|
|
|
|
// Checkpointing with --export should still work
|
|
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
|
|
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Remove exported checkpoint
|
|
os.Remove(fileName)
|
|
})
|
|
|
|
It("podman checkpoint a container with volumes", func() {
|
|
session := podmanTest.Podman([]string{
|
|
"build", "-f", "build/basicalpine/Containerfile.volume", "-t", "test-cr-volume",
|
|
})
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
|
|
// Start the container
|
|
localRunString := getRunString([]string{
|
|
"--rm",
|
|
"-v", "/volume1",
|
|
"-v", "my-test-vol:/volume2",
|
|
"test-cr-volume",
|
|
"top",
|
|
})
|
|
session = podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
|
|
cid := session.OutputToString()
|
|
|
|
// Add file in volume0
|
|
result := podmanTest.Podman([]string{
|
|
"exec", cid, "/bin/sh", "-c", "echo " + cid + " > /volume0/test.output",
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
// Add file in volume1
|
|
result = podmanTest.Podman([]string{
|
|
"exec", cid, "/bin/sh", "-c", "echo " + cid + " > /volume1/test.output",
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
// Add file in volume2
|
|
result = podmanTest.Podman([]string{
|
|
"exec", cid, "/bin/sh", "-c", "echo " + cid + " > /volume2/test.output",
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
checkpointFileName := "/tmp/checkpoint-" + cid + ".tar.gz"
|
|
|
|
// Checkpoint the container
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", checkpointFileName})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Restore container should fail because named volume still exists
|
|
result = podmanTest.Podman([]string{"container", "restore", "-i", checkpointFileName})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).To(ExitWithError())
|
|
Expect(result.ErrorToString()).To(ContainSubstring(
|
|
"volume with name my-test-vol already exists. Use --ignore-volumes to not restore content of volumes",
|
|
))
|
|
|
|
// Remove named volume
|
|
session = podmanTest.Podman([]string{"volume", "rm", "my-test-vol"})
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
|
|
// Restoring container
|
|
result = podmanTest.Podman([]string{"container", "restore", "-i", checkpointFileName})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
// Validate volume0 content
|
|
result = podmanTest.Podman([]string{"exec", cid, "cat", "/volume0/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(result.OutputToString()).To(ContainSubstring(cid))
|
|
|
|
// Validate volume1 content
|
|
result = podmanTest.Podman([]string{"exec", cid, "cat", "/volume1/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(result.OutputToString()).To(ContainSubstring(cid))
|
|
|
|
// Validate volume2 content
|
|
result = podmanTest.Podman([]string{"exec", cid, "cat", "/volume2/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(result.OutputToString()).To(ContainSubstring(cid))
|
|
|
|
// Remove exported checkpoint
|
|
os.Remove(checkpointFileName)
|
|
})
|
|
|
|
It("podman checkpoint container with --pre-checkpoint", func() {
|
|
if !criu.MemTrack() {
|
|
Skip("system (architecture/kernel/CRIU) does not support memory tracking")
|
|
}
|
|
if !strings.Contains(podmanTest.OCIRuntime, "runc") {
|
|
Skip("Test only works on runc 1.0-rc3 or higher.")
|
|
}
|
|
localRunString := getRunString([]string{ALPINE, "top"})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
cid := session.OutputToString()
|
|
|
|
result := podmanTest.Podman([]string{"container", "checkpoint", "-P", cid})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", "--with-previous", cid})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
|
|
|
|
result = podmanTest.Podman([]string{"container", "restore", cid})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
})
|
|
|
|
It("podman checkpoint container with --pre-checkpoint and export (migration)", func() {
|
|
SkipIfRemote("--import-previous is not yet supported on the remote client")
|
|
if !criu.MemTrack() {
|
|
Skip("system (architecture/kernel/CRIU) does not support memory tracking")
|
|
}
|
|
if !strings.Contains(podmanTest.OCIRuntime, "runc") {
|
|
Skip("Test only works on runc 1.0-rc3 or higher.")
|
|
}
|
|
localRunString := getRunString([]string{ALPINE, "top"})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
cid := session.OutputToString()
|
|
preCheckpointFileName := "/tmp/pre-checkpoint-" + cid + ".tar.gz"
|
|
checkpointFileName := "/tmp/checkpoint-" + cid + ".tar.gz"
|
|
|
|
result := podmanTest.Podman([]string{"container", "checkpoint", "-P", "-e", preCheckpointFileName, cid})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", "--with-previous", "-e", checkpointFileName, cid})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
|
|
|
|
result = podmanTest.Podman([]string{"rm", "-t", "0", "-f", cid})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
|
|
result = podmanTest.Podman([]string{"container", "restore", "-i", checkpointFileName, "--import-previous", preCheckpointFileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
os.Remove(checkpointFileName)
|
|
os.Remove(preCheckpointFileName)
|
|
})
|
|
|
|
It("podman checkpoint and restore container with different port mappings", func() {
|
|
randomPort, err := utils.GetRandomPort()
|
|
Expect(err).ShouldNot(HaveOccurred())
|
|
localRunString := getRunString([]string{"-p", fmt.Sprintf("%d:6379", randomPort), "--rm", redis})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
cid := session.OutputToString()
|
|
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
|
|
|
|
if !WaitContainerReady(podmanTest, cid, "Ready to accept connections", 20, 1) {
|
|
Fail("Container failed to get ready")
|
|
}
|
|
|
|
fmt.Fprintf(os.Stderr, "Trying to connect to redis server at localhost:%d", randomPort)
|
|
// Open a network connection to the redis server via initial port mapping
|
|
conn, err := net.DialTimeout("tcp4", fmt.Sprintf("localhost:%d", randomPort), time.Duration(3)*time.Second)
|
|
Expect(err).ShouldNot(HaveOccurred())
|
|
conn.Close()
|
|
|
|
// Checkpoint the container
|
|
result := podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Restore container with different port mapping
|
|
newRandomPort, err := utils.GetRandomPort()
|
|
Expect(err).ShouldNot(HaveOccurred())
|
|
result = podmanTest.Podman([]string{"container", "restore", "-p", fmt.Sprintf("%d:6379", newRandomPort), "-i", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
// Open a network connection to the redis server via initial port mapping
|
|
// This should fail
|
|
_, err = net.DialTimeout("tcp4", fmt.Sprintf("localhost:%d", randomPort), time.Duration(3)*time.Second)
|
|
Expect(err).ToNot(BeNil())
|
|
Expect(err.Error()).To(ContainSubstring("connection refused"))
|
|
// Open a network connection to the redis server via new port mapping
|
|
fmt.Fprintf(os.Stderr, "Trying to reconnect to redis server at localhost:%d", newRandomPort)
|
|
conn, err = net.DialTimeout("tcp4", fmt.Sprintf("localhost:%d", newRandomPort), time.Duration(3)*time.Second)
|
|
Expect(err).ShouldNot(HaveOccurred())
|
|
conn.Close()
|
|
|
|
result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Remove exported checkpoint
|
|
os.Remove(fileName)
|
|
})
|
|
|
|
namespaceCombination := []string{
|
|
"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,
|
|
)
|
|
|
|
share := share // copy into local scope, for use inside function
|
|
|
|
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: " + podmanTest.OCIRuntime)
|
|
}
|
|
// 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)
|
|
})
|
|
}
|
|
|
|
It("podman checkpoint container with export (migration) and --ipc host", func() {
|
|
localRunString := getRunString([]string{"--rm", "--ipc", "host", ALPINE, "top"})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
cid := session.OutputToString()
|
|
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
|
|
|
|
result := podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
result = podmanTest.Podman([]string{"container", "restore", "-i", fileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Remove exported checkpoint
|
|
os.Remove(fileName)
|
|
})
|
|
|
|
It("podman checkpoint container with export and statistics", func() {
|
|
localRunString := getRunString([]string{
|
|
"--rm",
|
|
ALPINE,
|
|
"top",
|
|
})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
cid := session.OutputToString()
|
|
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
|
|
|
|
result := podmanTest.Podman([]string{
|
|
"container",
|
|
"checkpoint",
|
|
cid, "-e",
|
|
fileName,
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// Extract checkpoint archive
|
|
destinationDirectory, err := CreateTempDirInTempDir()
|
|
Expect(err).ShouldNot(HaveOccurred())
|
|
|
|
tarsession := SystemExec(
|
|
"tar",
|
|
[]string{
|
|
"xf",
|
|
fileName,
|
|
"-C",
|
|
destinationDirectory,
|
|
},
|
|
)
|
|
Expect(tarsession).Should(Exit(0))
|
|
|
|
_, err = os.Stat(filepath.Join(destinationDirectory, stats.StatsDump))
|
|
Expect(err).ShouldNot(HaveOccurred())
|
|
|
|
Expect(os.RemoveAll(destinationDirectory)).To(BeNil())
|
|
|
|
// Remove exported checkpoint
|
|
os.Remove(fileName)
|
|
})
|
|
|
|
It("podman checkpoint and restore containers with --print-stats", func() {
|
|
session1 := podmanTest.Podman(getRunString([]string{redis}))
|
|
session1.WaitWithDefaultTimeout()
|
|
Expect(session1).Should(Exit(0))
|
|
|
|
session2 := podmanTest.Podman(getRunString([]string{redis, "top"}))
|
|
session2.WaitWithDefaultTimeout()
|
|
Expect(session2).Should(Exit(0))
|
|
|
|
result := podmanTest.Podman([]string{
|
|
"container",
|
|
"checkpoint",
|
|
"-a",
|
|
"--print-stats",
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
|
|
type checkpointStatistics struct {
|
|
PodmanDuration int64 `json:"podman_checkpoint_duration"`
|
|
ContainerStatistics []*entities.CheckpointReport `json:"container_statistics"`
|
|
}
|
|
|
|
cS := new(checkpointStatistics)
|
|
err := json.Unmarshal([]byte(result.OutputToString()), cS)
|
|
Expect(err).ShouldNot(HaveOccurred())
|
|
|
|
Expect(cS.ContainerStatistics).To(HaveLen(2))
|
|
Expect(cS.PodmanDuration).To(BeNumerically(">", cS.ContainerStatistics[0].RuntimeDuration))
|
|
Expect(cS.PodmanDuration).To(BeNumerically(">", cS.ContainerStatistics[1].RuntimeDuration))
|
|
Expect(cS.ContainerStatistics[0].RuntimeDuration).To(
|
|
BeNumerically(">", cS.ContainerStatistics[0].CRIUStatistics.FrozenTime),
|
|
)
|
|
Expect(cS.ContainerStatistics[1].RuntimeDuration).To(
|
|
BeNumerically(">", cS.ContainerStatistics[1].CRIUStatistics.FrozenTime),
|
|
)
|
|
|
|
ps := podmanTest.Podman([]string{
|
|
"ps",
|
|
"-q",
|
|
"--no-trunc",
|
|
})
|
|
ps.WaitWithDefaultTimeout()
|
|
Expect(ps).Should(Exit(0))
|
|
Expect(ps.OutputToString()).To(Not(ContainSubstring(session1.OutputToString())))
|
|
Expect(ps.OutputToString()).To(Not(ContainSubstring(session2.OutputToString())))
|
|
|
|
result = podmanTest.Podman([]string{
|
|
"container",
|
|
"restore",
|
|
"-a",
|
|
"--print-stats",
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
Expect(podmanTest.GetContainerStatus()).To(Not(ContainSubstring("Exited")))
|
|
|
|
type restoreStatistics struct {
|
|
PodmanDuration int64 `json:"podman_restore_duration"`
|
|
ContainerStatistics []*entities.RestoreReport `json:"container_statistics"`
|
|
}
|
|
|
|
rS := new(restoreStatistics)
|
|
err = json.Unmarshal([]byte(result.OutputToString()), rS)
|
|
Expect(err).ShouldNot(HaveOccurred())
|
|
|
|
Expect(cS.ContainerStatistics).To(HaveLen(2))
|
|
Expect(cS.PodmanDuration).To(BeNumerically(">", cS.ContainerStatistics[0].RuntimeDuration))
|
|
Expect(cS.PodmanDuration).To(BeNumerically(">", cS.ContainerStatistics[1].RuntimeDuration))
|
|
Expect(cS.ContainerStatistics[0].RuntimeDuration).To(
|
|
BeNumerically(">", cS.ContainerStatistics[0].CRIUStatistics.RestoreTime),
|
|
)
|
|
Expect(cS.ContainerStatistics[1].RuntimeDuration).To(
|
|
BeNumerically(">", cS.ContainerStatistics[1].CRIUStatistics.RestoreTime),
|
|
)
|
|
|
|
result = podmanTest.Podman([]string{
|
|
"rm",
|
|
"-t",
|
|
"0",
|
|
"-fa",
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
})
|
|
|
|
It("podman checkpoint and restore container with --file-locks", func() {
|
|
if !strings.Contains(podmanTest.OCIRuntime, "runc") {
|
|
// TODO: Enable test for crun when this feature has been released
|
|
// https://github.com/containers/crun/pull/783
|
|
Skip("FIXME: requires crun >= 1.4")
|
|
}
|
|
localRunString := getRunString([]string{"--name", "test_name", ALPINE, "flock", "test.lock", "sleep", "100"})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
|
|
// Checkpoint is expected to fail without --file-locks
|
|
result := podmanTest.Podman([]string{"container", "checkpoint", "test_name"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(125))
|
|
Expect(result.ErrorToString()).To(ContainSubstring("failed: exit status 1"))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
|
|
// Checkpoint is expected to succeed with --file-locks
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", "--file-locks", "test_name"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
|
|
|
|
result = podmanTest.Podman([]string{"container", "restore", "--file-locks", "test_name"})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
result = podmanTest.Podman([]string{"rm", "-t", "0", "-f", "test_name"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
})
|
|
|
|
It("podman checkpoint container with export and verify runtime", func() {
|
|
SkipIfRemote("podman-remote does not support --runtime flag")
|
|
localRunString := getRunString([]string{
|
|
"--rm",
|
|
ALPINE,
|
|
"top",
|
|
})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
cid := session.OutputToString()
|
|
|
|
session = podmanTest.Podman([]string{
|
|
"inspect",
|
|
"--format",
|
|
"{{.OCIRuntime}}",
|
|
cid,
|
|
})
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
runtime := session.OutputToString()
|
|
|
|
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
|
|
|
|
result := podmanTest.Podman([]string{
|
|
"container",
|
|
"checkpoint",
|
|
cid, "-e",
|
|
fileName,
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
result = podmanTest.Podman([]string{
|
|
"container",
|
|
"restore",
|
|
"-i",
|
|
fileName,
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
// The restored container should have the same runtime as the original container
|
|
result = podmanTest.Podman([]string{
|
|
"inspect",
|
|
"--format",
|
|
"{{.OCIRuntime}}",
|
|
cid,
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(session.OutputToString()).To(Equal(runtime))
|
|
|
|
// Remove exported checkpoint
|
|
os.Remove(fileName)
|
|
})
|
|
|
|
It("podman checkpoint container with export and try to change the runtime", func() {
|
|
SkipIfRemote("podman-remote does not support --runtime flag")
|
|
// This test will only run if runc and crun both exist
|
|
if !strings.Contains(podmanTest.OCIRuntime, "crun") {
|
|
Skip("Test requires crun and runc")
|
|
}
|
|
cmd := exec.Command("runc")
|
|
if err := cmd.Start(); err != nil {
|
|
Skip("Test requires crun and runc")
|
|
}
|
|
if err := cmd.Wait(); err != nil {
|
|
Skip("Test requires crun and runc")
|
|
}
|
|
localRunString := getRunString([]string{
|
|
"--rm",
|
|
ALPINE,
|
|
"top",
|
|
})
|
|
// Let's start a container with runc and try to restore it with crun (expected to fail)
|
|
localRunString = append(
|
|
[]string{
|
|
"--runtime",
|
|
"runc",
|
|
},
|
|
localRunString...,
|
|
)
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
cid := session.OutputToString()
|
|
|
|
session = podmanTest.Podman([]string{
|
|
"inspect",
|
|
"--format",
|
|
"{{.OCIRuntime}}",
|
|
cid,
|
|
})
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
runtime := session.OutputToString()
|
|
|
|
fileName := "/tmp/checkpoint-" + cid + ".tar.gz"
|
|
|
|
result := podmanTest.Podman([]string{
|
|
"container",
|
|
"checkpoint",
|
|
cid, "-e",
|
|
fileName,
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
// This should fail as the container was checkpointed with runc
|
|
result = podmanTest.Podman([]string{
|
|
"--runtime",
|
|
"crun",
|
|
"container",
|
|
"restore",
|
|
"-i",
|
|
fileName,
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
Expect(result).Should(Exit(125))
|
|
Expect(result.ErrorToString()).To(
|
|
ContainSubstring("and cannot be restored with runtime"),
|
|
)
|
|
|
|
result = podmanTest.Podman([]string{
|
|
"--runtime",
|
|
"runc",
|
|
"container",
|
|
"restore",
|
|
"-i",
|
|
fileName,
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
result = podmanTest.Podman([]string{
|
|
"inspect",
|
|
"--format",
|
|
"{{.OCIRuntime}}",
|
|
cid,
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(result.OutputToString()).To(Equal(runtime))
|
|
|
|
result = podmanTest.Podman([]string{
|
|
"--runtime",
|
|
"runc",
|
|
"rm",
|
|
"-fa",
|
|
})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
// Remove exported checkpoint
|
|
os.Remove(fileName)
|
|
})
|
|
|
|
It("podman checkpoint and restore dev/shm content with --export and --import", func() {
|
|
localRunString := getRunString([]string{"--rm", ALPINE, "top"})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
cid := session.OutputToString()
|
|
|
|
// Add test file in dev/shm
|
|
result := podmanTest.Podman([]string{"exec", cid, "/bin/sh", "-c", "echo test" + cid + "test > /dev/shm/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
session = podmanTest.Podman([]string{"inspect", "--format", "{{.OCIRuntime}}", cid})
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
runtime := session.OutputToString()
|
|
|
|
checkpointFileName := "/tmp/checkpoint-" + cid + ".tar.gz"
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", cid, "-e", checkpointFileName})
|
|
result.WaitWithDefaultTimeout()
|
|
|
|
// As the container has been started with '--rm' it will be completely
|
|
// cleaned up after checkpointing.
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.NumberOfContainers()).To(Equal(0))
|
|
|
|
result = podmanTest.Podman([]string{"container", "restore", "-i", checkpointFileName})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
// The restored container should have the same runtime as the original container
|
|
result = podmanTest.Podman([]string{"inspect", "--format", "{{.OCIRuntime}}", cid})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(session.OutputToString()).To(Equal(runtime))
|
|
|
|
// Verify the test file content in dev/shm
|
|
result = podmanTest.Podman([]string{"exec", cid, "cat", "/dev/shm/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(result.OutputToString()).To(ContainSubstring("test" + cid + "test"))
|
|
|
|
// Remove exported checkpoint
|
|
os.Remove(checkpointFileName)
|
|
})
|
|
|
|
It("podman checkpoint and restore dev/shm content", func() {
|
|
localRunString := getRunString([]string{ALPINE, "top"})
|
|
session := podmanTest.Podman(localRunString)
|
|
session.WaitWithDefaultTimeout()
|
|
Expect(session).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
cid := session.OutputToString()
|
|
|
|
// Add test file in dev/shm
|
|
result := podmanTest.Podman([]string{"exec", cid, "/bin/sh", "-c", "echo test" + cid + "test > /dev/shm/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
|
|
result = podmanTest.Podman([]string{"container", "checkpoint", cid})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
|
|
|
|
result = podmanTest.Podman([]string{"container", "restore", cid})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
|
|
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
|
|
|
|
// Verify the test file content in dev/shm
|
|
result = podmanTest.Podman([]string{"exec", cid, "cat", "/dev/shm/test.output"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(result.OutputToString()).To(ContainSubstring("test" + cid + "test"))
|
|
|
|
result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
|
|
result.WaitWithDefaultTimeout()
|
|
Expect(result).Should(Exit(0))
|
|
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
|
|
})
|
|
})
|