package integration import ( "fmt" "io/ioutil" "os" "os/exec" "path/filepath" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" ) var _ = Describe("Podman rootless", func() { var ( tempdir string err error podmanTest PodmanTest ) BeforeEach(func() { tempdir, err = CreateTempDirInTempDir() if err != nil { os.Exit(1) } podmanTest = PodmanCreate(tempdir) podmanTest.RestoreAllArtifacts() }) AfterEach(func() { podmanTest.Cleanup() }) It("podman rootless rootfs", func() { // Check if we can create an user namespace err := exec.Command("unshare", "-r", "echo", "hello").Run() if err != nil { Skip("User namespaces not supported.") } setup := podmanTest.Podman([]string{"create", ALPINE, "ls"}) setup.WaitWithDefaultTimeout() Expect(setup.ExitCode()).To(Equal(0)) cid := setup.OutputToString() mount := podmanTest.Podman([]string{"mount", cid}) mount.WaitWithDefaultTimeout() Expect(mount.ExitCode()).To(Equal(0)) mountPath := mount.OutputToString() chownFunc := func(p string, info os.FileInfo, err error) error { if err != nil { return err } return os.Lchown(p, 1000, 1000) } err = filepath.Walk(tempdir, chownFunc) if err != nil { fmt.Printf("cannot chown the directory: %q\n", err) os.Exit(1) } runRootless := func(mountPath string) { tempdir, err := CreateTempDirInTempDir() Expect(err).To(BeNil()) podmanTest := PodmanCreate(tempdir) err = filepath.Walk(tempdir, chownFunc) Expect(err).To(BeNil()) xdgRuntimeDir, err := ioutil.TempDir("/run", "") Expect(err).To(BeNil()) defer os.RemoveAll(xdgRuntimeDir) err = filepath.Walk(xdgRuntimeDir, chownFunc) Expect(err).To(BeNil()) home, err := CreateTempDirInTempDir() Expect(err).To(BeNil()) err = filepath.Walk(xdgRuntimeDir, chownFunc) Expect(err).To(BeNil()) env := os.Environ() env = append(env, fmt.Sprintf("XDG_RUNTIME_DIR=%s", xdgRuntimeDir)) env = append(env, fmt.Sprintf("HOME=%s", home)) env = append(env, "PODMAN_ALLOW_SINGLE_ID_MAPPING_IN_USERNS=1") cmd := podmanTest.PodmanAsUser([]string{"run", "--rootfs", mountPath, "echo", "hello"}, 1000, 1000, env) cmd.WaitWithDefaultTimeout() Expect(cmd.LineInOutputContains("hello")).To(BeTrue()) Expect(cmd.ExitCode()).To(Equal(0)) } runRootless(mountPath) umount := podmanTest.Podman([]string{"umount", cid}) umount.WaitWithDefaultTimeout() Expect(umount.ExitCode()).To(Equal(0)) }) })