spiegel_podman/test/e2e/checkpoint_image_test.go
Paul Holzinger ab29ff2f66
test/e2e: dedup Before/AfterEach nodes
There is no reason to define the same code every time in each file, just
use global nodes. This diff should speak for itself.

CleanupSecrets()/Volume() no longer call Cleanup() directly, as the
global AfterEach node will always call Cleanup() this is no longer
necessary. If one AfterEach() node fails it will still run the others.

Also always unset the CONTAINERS_CONF env vars. This prevents people
from forgetting to unset it. And fix the special CONTAINERS_CONF logic
in the system connection tests, we do not want to preserve
CONTAINERS_CONF anyway so just remove this logic.

Ginkgo orders the BeforeEach and AfterEach nodes. They will be executed
from the outer-most defined to inner-most. This means our global
BeforeEach is always first. Only then the inner one (in the Describe()
function in each file). For AfterEach it is inverted, from the inner to
the outer.
Also see https://onsi.github.io/ginkgo/#organizing-specs-with-container-nodes

Signed-off-by: Paul Holzinger <pholzing@redhat.com>
2023-05-15 16:56:18 +02:00

324 lines
13 KiB
Go

package integration
import (
"os/exec"
"strconv"
"strings"
"github.com/containers/podman/v4/pkg/criu"
. "github.com/containers/podman/v4/test/utils"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
)
var _ = Describe("Podman checkpoint", func() {
BeforeEach(func() {
SkipIfContainerized("FIXME: #15015. All checkpoint tests hang when containerized.")
SkipIfRootless("checkpoint not supported in rootless mode")
// Check if the runtime implements checkpointing. Currently only
// runc's checkpoint/restore implementation is supported.
cmd := exec.Command(podmanTest.OCIRuntime, "checkpoint", "--help")
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(criu.MinCriuVersion) {
Skip("CRIU is missing or too old.")
}
})
It("podman checkpoint --create-image with bogus container", func() {
checkpointImage := "foobar-checkpoint"
session := podmanTest.Podman([]string{"container", "checkpoint", "--create-image", checkpointImage, "foobar"})
session.WaitWithDefaultTimeout()
Expect(session).To(ExitWithError())
Expect(session.ErrorToString()).To(ContainSubstring("no container with name or ID \"foobar\" found"))
})
It("podman checkpoint --create-image with running container", func() {
// Container image must be lowercase
checkpointImage := "alpine-checkpoint-" + strings.ToLower(RandomString(6))
containerName := "alpine-container-" + RandomString(6)
localRunString := []string{
"run",
"-d",
"--ip", GetRandomIPAddress(),
"--name", containerName,
ALPINE,
"top",
}
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
containerID := session.OutputToString()
// Checkpoint image should not exist
session = podmanTest.Podman([]string{"images"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.LineInOutputContainsTag("localhost/"+checkpointImage, "latest")).To(BeFalse())
// Check if none of the checkpoint/restore specific information is displayed
// for newly started containers.
inspect := podmanTest.Podman([]string{"inspect", containerID})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
inspectOut := inspect.InspectContainerToJSON()
Expect(inspectOut[0].State.Checkpointed).To(BeFalse(), ".State.Checkpointed")
Expect(inspectOut[0].State.Restored).To(BeFalse(), ".State.Restored")
Expect(inspectOut[0].State).To(HaveField("CheckpointPath", ""))
Expect(inspectOut[0].State).To(HaveField("CheckpointLog", ""))
Expect(inspectOut[0].State).To(HaveField("RestoreLog", ""))
result := podmanTest.Podman([]string{"container", "checkpoint", "--create-image", checkpointImage, "--keep", containerID})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
inspect = podmanTest.Podman([]string{"inspect", containerID})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
inspectOut = inspect.InspectContainerToJSON()
Expect(inspectOut[0].State.Checkpointed).To(BeTrue(), ".State.Checkpointed")
Expect(inspectOut[0].State.CheckpointPath).To(ContainSubstring("userdata/checkpoint"))
Expect(inspectOut[0].State.CheckpointLog).To(ContainSubstring("userdata/dump.log"))
// Check if checkpoint image has been created
session = podmanTest.Podman([]string{"images"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.LineInOutputContainsTag("localhost/"+checkpointImage, "latest")).To(BeTrue())
// Check if the checkpoint image contains annotations
inspect = podmanTest.Podman([]string{"inspect", checkpointImage})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(Exit(0))
inspectImageOut := inspect.InspectImageJSON()
Expect(inspectImageOut[0].Annotations["io.podman.annotations.checkpoint.name"]).To(
BeEquivalentTo(containerName),
"io.podman.annotations.checkpoint.name",
)
ociRuntimeName := ""
if strings.Contains(podmanTest.OCIRuntime, "runc") {
ociRuntimeName = "runc"
} else if strings.Contains(podmanTest.OCIRuntime, "crun") {
ociRuntimeName = "crun"
}
if ociRuntimeName != "" {
Expect(inspectImageOut[0].Annotations["io.podman.annotations.checkpoint.runtime.name"]).To(
BeEquivalentTo(ociRuntimeName),
"io.podman.annotations.checkpoint.runtime.name",
)
}
// Remove existing container
result = podmanTest.Podman([]string{"rm", "-t", "1", "-f", containerID})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
// Restore container from checkpoint image
result = podmanTest.Podman([]string{"container", "restore", checkpointImage})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Up"))
// Clean-up
result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
result = podmanTest.Podman([]string{"rmi", checkpointImage})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
})
It("podman restore multiple containers from single checkpoint image", func() {
// Container image must be lowercase
checkpointImage := "alpine-checkpoint-" + strings.ToLower(RandomString(6))
containerName := "alpine-container-" + RandomString(6)
localRunString := []string{"run", "-d", "--name", containerName, ALPINE, "top"}
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
containerID := session.OutputToString()
// Checkpoint image should not exist
session = podmanTest.Podman([]string{"images"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.LineInOutputContainsTag("localhost/"+checkpointImage, "latest")).To(BeFalse())
result := podmanTest.Podman([]string{"container", "checkpoint", "--create-image", checkpointImage, "--keep", containerID})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
Expect(podmanTest.GetContainerStatus()).To(ContainSubstring("Exited"))
// Check if checkpoint image has been created
session = podmanTest.Podman([]string{"images"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
Expect(session.LineInOutputContainsTag("localhost/"+checkpointImage, "latest")).To(BeTrue())
// Remove existing container
result = podmanTest.Podman([]string{"rm", "-t", "1", "-f", containerID})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
for i := 1; i < 5; i++ {
// Restore container from checkpoint image
name := containerName + strconv.Itoa(i)
result = podmanTest.Podman([]string{"container", "restore", "--name", name, checkpointImage})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(i))
// Check that the container is running
status := podmanTest.Podman([]string{"inspect", name, "--format={{.State.Status}}"})
status.WaitWithDefaultTimeout()
Expect(status).Should(Exit(0))
Expect(status.OutputToString()).To(Equal("running"))
}
// Clean-up
result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
result = podmanTest.Podman([]string{"rmi", checkpointImage})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
})
It("podman restore multiple containers from multiple checkpoint images", func() {
// Container image must be lowercase
checkpointImage1 := "alpine-checkpoint-" + strings.ToLower(RandomString(6))
checkpointImage2 := "alpine-checkpoint-" + strings.ToLower(RandomString(6))
containerName1 := "alpine-container-" + RandomString(6)
containerName2 := "alpine-container-" + RandomString(6)
// Create first container
localRunString := []string{"run", "-d", "--name", containerName1, ALPINE, "top"}
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
containerID1 := session.OutputToString()
// Create second container
localRunString = []string{"run", "-d", "--name", containerName2, ALPINE, "top"}
session = podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
containerID2 := session.OutputToString()
// Checkpoint first container
result := podmanTest.Podman([]string{"container", "checkpoint", "--create-image", checkpointImage1, "--keep", containerID1})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
// Checkpoint second container
result = podmanTest.Podman([]string{"container", "checkpoint", "--create-image", checkpointImage2, "--keep", containerID2})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
// Remove existing containers
result = podmanTest.Podman([]string{"rm", "-t", "1", "-f", containerName1, containerName2})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
// Restore both containers from images
result = podmanTest.Podman([]string{"container", "restore", checkpointImage1, checkpointImage2})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(2))
// Check if first container is running
status := podmanTest.Podman([]string{"inspect", containerName1, "--format={{.State.Status}}"})
status.WaitWithDefaultTimeout()
Expect(status).Should(Exit(0))
Expect(status.OutputToString()).To(Equal("running"))
// Check if second container is running
status = podmanTest.Podman([]string{"inspect", containerName2, "--format={{.State.Status}}"})
status.WaitWithDefaultTimeout()
Expect(status).Should(Exit(0))
Expect(status.OutputToString()).To(Equal("running"))
// Clean-up
result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
result = podmanTest.Podman([]string{"rmi", checkpointImage1, checkpointImage2})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
})
It("podman run with checkpoint image", func() {
// Container image must be lowercase
checkpointImage := "alpine-checkpoint-" + strings.ToLower(RandomString(6))
containerName := "alpine-container-" + RandomString(6)
// Create container
localRunString := []string{"run", "-d", "--name", containerName, ALPINE, "top"}
session := podmanTest.Podman(localRunString)
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
containerID1 := session.OutputToString()
// Checkpoint container, create checkpoint image
result := podmanTest.Podman([]string{"container", "checkpoint", "--create-image", checkpointImage, "--keep", containerID1})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
// Remove existing container
result = podmanTest.Podman([]string{"rm", "-t", "1", "-f", containerName})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
// Restore containers from image using `podman run`
result = podmanTest.Podman([]string{"run", checkpointImage})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
// Check if the container is running
status := podmanTest.Podman([]string{"inspect", containerName, "--format={{.State.Status}}"})
status.WaitWithDefaultTimeout()
Expect(status).Should(Exit(0))
Expect(status.OutputToString()).To(Equal("running"))
// Clean-up
result = podmanTest.Podman([]string{"rm", "-t", "0", "-fa"})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
result = podmanTest.Podman([]string{"rmi", checkpointImage})
result.WaitWithDefaultTimeout()
Expect(result).Should(Exit(0))
Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
})
})