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package integration
import (
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strconv"
"strings"
"github.com/containers/podman/v4/pkg/rootless"
. "github.com/containers/podman/v4/test/utils"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
)
var _ = Describe("Podman save", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("podman save output flag", func() {
outfile := filepath.Join(podmanTest.TempDir, "alpine.tar")
save := podmanTest.Podman([]string{"save", "-o", outfile, ALPINE})
save.WaitWithDefaultTimeout()
Expect(save).Should(Exit(0))
})
It("podman save oci flag", func() {
outfile := filepath.Join(podmanTest.TempDir, "alpine.tar")
save := podmanTest.Podman([]string{"save", "-o", outfile, "--format", "oci-archive", ALPINE})
save.WaitWithDefaultTimeout()
Expect(save).Should(Exit(0))
})
It("podman save with stdout", func() {
Skip("Pipe redirection in ginkgo probably won't work")
outfile := filepath.Join(podmanTest.TempDir, "alpine.tar")
save := podmanTest.Podman([]string{"save", ALPINE, ">", outfile})
save.WaitWithDefaultTimeout()
Expect(save).Should(Exit(0))
})
It("podman save quiet flag", func() {
outfile := filepath.Join(podmanTest.TempDir, "alpine.tar")
save := podmanTest.Podman([]string{"save", "-q", "-o", outfile, ALPINE})
save.WaitWithDefaultTimeout()
Expect(save).Should(Exit(0))
})
It("podman save bogus image", func() {
outfile := filepath.Join(podmanTest.TempDir, "alpine.tar")
save := podmanTest.Podman([]string{"save", "-o", outfile, "FOOBAR"})
save.WaitWithDefaultTimeout()
Expect(save).To(ExitWithError())
})
It("podman save to directory with oci format", func() {
if rootless.IsRootless() {
Skip("Requires a fix in containers image for chown/lchown")
}
outdir := filepath.Join(podmanTest.TempDir, "save")
save := podmanTest.Podman([]string{"save", "--format", "oci-dir", "-o", outdir, ALPINE})
save.WaitWithDefaultTimeout()
Expect(save).Should(Exit(0))
})
It("podman save to directory with v2s2 docker format", func() {
if rootless.IsRootless() {
Skip("Requires a fix in containers image for chown/lchown")
}
outdir := filepath.Join(podmanTest.TempDir, "save")
save := podmanTest.Podman([]string{"save", "--format", "docker-dir", "-o", outdir, ALPINE})
save.WaitWithDefaultTimeout()
Expect(save).Should(Exit(0))
})
It("podman save to directory with docker format and compression", func() {
if rootless.IsRootless() && podmanTest.RemoteTest {
Skip("Requires a fix in containers image for chown/lchown")
}
outdir := filepath.Join(podmanTest.TempDir, "save")
save := podmanTest.Podman([]string{"save", "--compress", "--format", "docker-dir", "-o", outdir, ALPINE})
save.WaitWithDefaultTimeout()
Expect(save).Should(Exit(0))
})
It("podman save to directory with --compress but not use docker-dir and oci-dir", func() {
if rootless.IsRootless() && podmanTest.RemoteTest {
Skip("Requires a fix in containers image for chown/lchown")
}
outdir := filepath.Join(podmanTest.TempDir, "save")
save := podmanTest.Podman([]string{"save", "--compress", "--format", "docker-archive", "-o", outdir, ALPINE})
save.WaitWithDefaultTimeout()
// should not be 0
Expect(save).To(ExitWithError())
save = podmanTest.Podman([]string{"save", "--compress", "--format", "oci-archive", "-o", outdir, ALPINE})
save.WaitWithDefaultTimeout()
// should not be 0
Expect(save).To(ExitWithError())
})
It("podman save bad filename", func() {
outdir := filepath.Join(podmanTest.TempDir, "save:colon")
save := podmanTest.Podman([]string{"save", "--compress", "--format", "docker-dir", "-o", outdir, ALPINE})
save.WaitWithDefaultTimeout()
Expect(save).To(ExitWithError())
})
It("podman save remove signature", func() {
podmanTest.AddImageToRWStore(ALPINE)
SkipIfRootless("FIXME: Need get in rootless push sign")
if podmanTest.Host.Arch == "ppc64le" {
Skip("No registry image for ppc64le")
}
tempGNUPGHOME := filepath.Join(podmanTest.TempDir, "tmpGPG")
err := os.Mkdir(tempGNUPGHOME, os.ModePerm)
Expect(err).To(BeNil())
origGNUPGHOME := os.Getenv("GNUPGHOME")
err = os.Setenv("GNUPGHOME", tempGNUPGHOME)
Expect(err).To(BeNil())
defer os.Setenv("GNUPGHOME", origGNUPGHOME)
port := 5000
portlock := GetPortLock(strconv.Itoa(port))
defer portlock.Unlock()
session := podmanTest.Podman([]string{"run", "-d", "--name", "registry", "-p", strings.Join([]string{strconv.Itoa(port), strconv.Itoa(port)}, ":"), REGISTRY_IMAGE})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
if !WaitContainerReady(podmanTest, "registry", "listening on", 20, 1) {
Skip("Cannot start docker registry.")
}
cmd := exec.Command("gpg", "--import", "sign/secret-key.asc")
err = cmd.Run()
Expect(err).To(BeNil())
defaultYaml := filepath.Join(podmanTest.TempDir, "default.yaml")
cmd = exec.Command("cp", "/etc/containers/registries.d/default.yaml", defaultYaml)
if err = cmd.Run(); err != nil {
Skip("no signature store to verify")
}
defer func() {
cmd = exec.Command("cp", defaultYaml, "/etc/containers/registries.d/default.yaml")
err := cmd.Run()
Expect(err).ToNot(HaveOccurred())
}()
cmd = exec.Command("cp", "sign/key.gpg", "/tmp/key.gpg")
Expect(cmd.Run()).To(BeNil())
sigstore := `
default-docker:
sigstore: file:///var/lib/containers/sigstore
sigstore-staging: file:///var/lib/containers/sigstore
`
Expect(ioutil.WriteFile("/etc/containers/registries.d/default.yaml", []byte(sigstore), 0755)).To(BeNil())
session = podmanTest.Podman([]string{"tag", ALPINE, "localhost:5000/alpine"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"push", "--tls-verify=false", "--sign-by", "foo@bar.com", "localhost:5000/alpine"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
session = podmanTest.Podman([]string{"rmi", ALPINE, "localhost:5000/alpine"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
if !IsRemote() {
session = podmanTest.Podman([]string{"pull", "--tls-verify=false", "--signature-policy=sign/policy.json", "localhost:5000/alpine"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
outfile := filepath.Join(podmanTest.TempDir, "temp.tar")
save := podmanTest.Podman([]string{"save", "remove-signatures=true", "-o", outfile, "localhost:5000/alpine"})
save.WaitWithDefaultTimeout()
Expect(save).To(ExitWithError())
}
})
It("podman save image with digest reference", func() {
// pull a digest reference
session := podmanTest.Podman([]string{"pull", ALPINELISTDIGEST})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
// save a digest reference should exit without error.
outfile := filepath.Join(podmanTest.TempDir, "temp.tar")
save := podmanTest.Podman([]string{"save", "-o", outfile, ALPINELISTDIGEST})
save.WaitWithDefaultTimeout()
Expect(save).Should(Exit(0))
})
It("podman save --multi-image-archive (tagged images)", func() {
multiImageSave(podmanTest, RESTORE_IMAGES)
})
It("podman save --multi-image-archive (untagged images)", func() {
// #14468: to make execution time more predictable, save at
// most three images and sort them by size.
session := podmanTest.Podman([]string{"images", "--sort", "size", "--format", "{{.ID}}"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
ids := session.OutputToStringArray()
Expect(len(ids)).To(BeNumerically(">", 1), "We need to have *some* images to save")
if len(ids) > 3 {
ids = ids[:3]
}
multiImageSave(podmanTest, ids)
})
})
// Create a multi-image archive, remove all images, load it and
// make sure that all images are (again) present.
func multiImageSave(podmanTest *PodmanTestIntegration, images []string) {
// Create the archive.
outfile := filepath.Join(podmanTest.TempDir, "temp.tar")
session := podmanTest.Podman(append([]string{"save", "-o", outfile, "--multi-image-archive"}, images...))
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
// Remove all images.
session = podmanTest.Podman([]string{"rmi", "-af"})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
// Now load the archive.
session = podmanTest.Podman([]string{"load", "-i", outfile})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
// Grep for each image in the `podman load` output.
for _, image := range images {
Expect(session.OutputToString()).To(ContainSubstring(image))
}
// Make sure that each image has really been loaded.
for _, image := range images {
session = podmanTest.Podman([]string{"image", "exists", image})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
}
}
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