package integration import ( "fmt" "io/ioutil" "os" "os/exec" "os/user" "path/filepath" "strings" "github.com/containers/podman/v3/pkg/rootless" . "github.com/containers/podman/v3/test/utils" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" . "github.com/onsi/gomega/gexec" ) // in-container mount point: using a path that is definitely not present // on the host system might help to uncover some issues. const dest = "/unique/path" var _ = Describe("Podman run with volumes", func() { var ( tempdir string err error podmanTest *PodmanTestIntegration ) BeforeEach(func() { tempdir, err = CreateTempDirInTempDir() if err != nil { os.Exit(1) } podmanTest = PodmanTestCreate(tempdir) podmanTest.Setup() podmanTest.SeedImages() }) AfterEach(func() { podmanTest.Cleanup() f := CurrentGinkgoTestDescription() processTestResult(f) }) // Returns the /proc/self/mountinfo line for a given mount point getMountInfo := func(volume string) []string { containerDir := strings.SplitN(volume, ":", 3)[1] session := podmanTest.Podman([]string{"run", "--rm", "-v", volume, ALPINE, "awk", fmt.Sprintf(`$5 == "%s" { print }`, containerDir), "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring(containerDir), "mount point not found in /proc/self/mountinfo") return strings.Fields(session.OutputToString()) } It("podman run with volume flag", func() { mountPath := filepath.Join(podmanTest.TempDir, "secrets") os.Mkdir(mountPath, 0755) vol := mountPath + ":" + dest // [5] is flags Expect(getMountInfo(vol)[5]).To(ContainSubstring("rw")) Expect(getMountInfo(vol + ":ro")[5]).To(ContainSubstring("ro")) mountinfo := getMountInfo(vol + ":shared") Expect(mountinfo[5]).To(ContainSubstring("rw")) Expect(mountinfo[6]).To(ContainSubstring("shared")) // Cached is ignored mountinfo = getMountInfo(vol + ":cached") Expect(mountinfo[5]).To(ContainSubstring("rw")) Expect(mountinfo).To(Not(ContainElement(ContainSubstring("cached")))) // Delegated is ignored mountinfo = getMountInfo(vol + ":delegated") Expect(mountinfo[5]).To(ContainSubstring("rw")) Expect(mountinfo).To(Not(ContainElement(ContainSubstring("delegated")))) }) It("podman run with --mount flag", func() { if podmanTest.Host.Arch == "ppc64le" { Skip("skip failing test on ppc64le") } mountPath := filepath.Join(podmanTest.TempDir, "secrets") os.Mkdir(mountPath, 0755) mount := "type=bind,src=" + mountPath + ",target=" + dest session := podmanTest.Podman([]string{"run", "--rm", "--mount", mount, ALPINE, "grep", dest, "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring(dest + " rw")) session = podmanTest.Podman([]string{"run", "--rm", "--mount", mount + ",ro", ALPINE, "grep", dest, "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring(dest + " ro")) session = podmanTest.Podman([]string{"run", "--rm", "--mount", mount + ",readonly", ALPINE, "grep", dest, "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring(dest + " ro")) session = podmanTest.Podman([]string{"run", "--rm", "--mount", mount + ",consistency=delegated,shared", ALPINE, "grep", dest, "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) found, matches := session.GrepString(dest) Expect(found).Should(BeTrue()) Expect(matches[0]).To(ContainSubstring("rw")) Expect(matches[0]).To(ContainSubstring("shared")) session = podmanTest.Podman([]string{"run", "--rm", "--mount", "type=tmpfs,target=" + dest, ALPINE, "grep", dest, "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring(dest + " rw,nosuid,nodev,relatime - tmpfs")) session = podmanTest.Podman([]string{"run", "--rm", "--mount", "type=tmpfs,target=/etc/ssl,tmpcopyup", ALPINE, "ls", "/etc/ssl"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring("certs")) session = podmanTest.Podman([]string{"run", "--rm", "--mount", "type=tmpfs,target=/etc/ssl,tmpcopyup,notmpcopyup", ALPINE, "ls", "/etc/ssl"}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) session = podmanTest.Podman([]string{"run", "--rm", "--mount", "type=bind,src=/tmp,target=/tmp,tmpcopyup", ALPINE, "true"}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) session = podmanTest.Podman([]string{"run", "--rm", "--mount", "type=bind,src=/tmp,target=/tmp,notmpcopyup", ALPINE, "true"}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) session = podmanTest.Podman([]string{"run", "--rm", "--mount", "type=tmpfs,target=/etc/ssl,notmpcopyup", ALPINE, "ls", "/etc/ssl"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(Not(ContainSubstring("certs"))) }) It("podman run with conflicting volumes errors", func() { mountPath := filepath.Join(podmanTest.TmpDir, "secrets") os.Mkdir(mountPath, 0755) session := podmanTest.Podman([]string{"run", "-v", mountPath + ":" + dest, "-v", "/tmp" + ":" + dest, ALPINE, "ls"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(125)) }) It("podman run with conflict between image volume and user mount succeeds", func() { podmanTest.RestoreArtifact(redis) mountPath := filepath.Join(podmanTest.TempDir, "secrets") err := os.Mkdir(mountPath, 0755) Expect(err).To(BeNil()) testFile := filepath.Join(mountPath, "test1") f, err := os.Create(testFile) Expect(err).To(BeNil(), "os.Create(testfile)") f.Close() Expect(err).To(BeNil()) session := podmanTest.Podman([]string{"run", "-v", fmt.Sprintf("%s:/data", mountPath), redis, "ls", "/data/test1"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) }) It("podman run with mount flag and boolean options", func() { mountPath := filepath.Join(podmanTest.TempDir, "secrets") os.Mkdir(mountPath, 0755) mount := "type=bind,src=" + mountPath + ",target=" + dest session := podmanTest.Podman([]string{"run", "--rm", "--mount", mount + ",ro=false", ALPINE, "grep", dest, "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring(dest + " rw")) session = podmanTest.Podman([]string{"run", "--rm", "--mount", mount + ",ro=true", ALPINE, "grep", dest, "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring(dest + " ro")) session = podmanTest.Podman([]string{"run", "--rm", "--mount", mount + ",ro=true,rw=false", ALPINE, "grep", dest, "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) }) It("podman run with volume flag and multiple named volumes", func() { session := podmanTest.Podman([]string{"run", "--rm", "-v", "testvol1:/testvol1", "-v", "testvol2:/testvol2", ALPINE, "grep", "/testvol", "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring("/testvol1")) Expect(session.OutputToString()).To(ContainSubstring("/testvol2")) }) It("podman run with volumes and suid/dev/exec options", func() { SkipIfRemote("podman-remote does not support --volumes") mountPath := filepath.Join(podmanTest.TempDir, "secrets") os.Mkdir(mountPath, 0755) session := podmanTest.Podman([]string{"run", "--rm", "-v", mountPath + ":" + dest + ":suid,dev,exec", ALPINE, "grep", dest, "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) found, matches := session.GrepString(dest) Expect(found).Should(BeTrue()) Expect(matches[0]).To(Not(ContainSubstring("noexec"))) Expect(matches[0]).To(Not(ContainSubstring("nodev"))) Expect(matches[0]).To(Not(ContainSubstring("nosuid"))) session = podmanTest.Podman([]string{"run", "--rm", "--tmpfs", dest + ":suid,dev,exec", ALPINE, "grep", dest, "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) found, matches = session.GrepString(dest) Expect(found).Should(BeTrue()) Expect(matches[0]).To(Not(ContainSubstring("noexec"))) Expect(matches[0]).To(Not(ContainSubstring("nodev"))) Expect(matches[0]).To(Not(ContainSubstring("nosuid"))) }) // Container should start when workdir is overlay volume It("podman run with volume mounted as overlay and used as workdir", func() { SkipIfRemote("Overlay volumes only work locally") if os.Getenv("container") != "" { Skip("Overlay mounts not supported when running in a container") } if rootless.IsRootless() { if _, err := exec.LookPath("fuse-overlayfs"); err != nil { Skip("Fuse-Overlayfs required for rootless overlay mount test") } } mountPath := filepath.Join(podmanTest.TempDir, "secrets") os.Mkdir(mountPath, 0755) //Container should be able to start with custom overlay volume session := podmanTest.Podman([]string{"run", "--rm", "-v", mountPath + ":/data:O", "--workdir=/data", ALPINE, "echo", "hello"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) }) It("podman support overlay on named volume", func() { SkipIfRemote("Overlay volumes only work locally") if os.Getenv("container") != "" { Skip("Overlay mounts not supported when running in a container") } if rootless.IsRootless() { if _, err := exec.LookPath("fuse-overlayfs"); err != nil { Skip("Fuse-Overlayfs required for rootless overlay mount test") } } session := podmanTest.Podman([]string{"volume", "create", "myvolume"}) session.WaitWithDefaultTimeout() volName := session.OutputToString() Expect(session).Should(Exit(0)) // create file on actual volume session = podmanTest.Podman([]string{"run", "--volume", volName + ":/data", ALPINE, "sh", "-c", "echo hello >> " + "/data/test"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) // create file on overlay volume session = podmanTest.Podman([]string{"run", "--volume", volName + ":/data:O", ALPINE, "sh", "-c", "echo hello >> " + "/data/overlay"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) // volume should contain only `test` not `overlay` session = podmanTest.Podman([]string{"run", "--volume", volName + ":/data", ALPINE, "sh", "-c", "ls /data"}) session.WaitWithDefaultTimeout() Expect(session.OutputToString()).To(Not(ContainSubstring("overlay"))) Expect(session.OutputToString()).To(ContainSubstring("test")) }) It("podman run with noexec can't exec", func() { session := podmanTest.Podman([]string{"run", "--rm", "-v", "/bin:/hostbin:noexec", ALPINE, "/hostbin/ls", "/"}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) }) It("podman run with tmpfs named volume mounts and unmounts", func() { SkipIfRootless("rootless podman mount requires you to be in a user namespace") SkipIfRemote("podman-remote does not support --volumes. This test could be simplified to be tested on Remote.") volName := "testvol" mkVolume := podmanTest.Podman([]string{"volume", "create", "--opt", "type=tmpfs", "--opt", "device=tmpfs", "--opt", "o=nodev", "testvol"}) mkVolume.WaitWithDefaultTimeout() Expect(mkVolume).Should(Exit(0)) // Volume not mounted on create mountCmd1, err := Start(exec.Command("mount"), GinkgoWriter, GinkgoWriter) Expect(err).To(BeNil()) mountCmd1.Wait(90) Expect(mountCmd1).Should(Exit(0)) os.Stdout.Sync() os.Stderr.Sync() mountOut1 := strings.Join(strings.Fields(string(mountCmd1.Out.Contents())), " ") fmt.Printf("Output: %s", mountOut1) Expect(strings.Contains(mountOut1, volName)).To(BeFalse()) ctrName := "testctr" podmanSession := podmanTest.Podman([]string{"run", "-d", "--name", ctrName, "-v", fmt.Sprintf("%s:/testvol", volName), ALPINE, "top"}) podmanSession.WaitWithDefaultTimeout() Expect(podmanSession).Should(Exit(0)) // Volume now mounted as container is running mountCmd2, err := Start(exec.Command("mount"), GinkgoWriter, GinkgoWriter) Expect(err).To(BeNil()) mountCmd2.Wait(90) Expect(mountCmd2).Should(Exit(0)) os.Stdout.Sync() os.Stderr.Sync() mountOut2 := strings.Join(strings.Fields(string(mountCmd2.Out.Contents())), " ") fmt.Printf("Output: %s", mountOut2) Expect(strings.Contains(mountOut2, volName)).To(BeTrue()) // Stop the container to unmount podmanStopSession := podmanTest.Podman([]string{"stop", "--time", "0", ctrName}) podmanStopSession.WaitWithDefaultTimeout() Expect(podmanStopSession).Should(Exit(0)) // We have to force cleanup so the unmount happens podmanCleanupSession := podmanTest.Podman([]string{"container", "cleanup", ctrName}) podmanCleanupSession.WaitWithDefaultTimeout() Expect(podmanCleanupSession).Should(Exit(0)) // Ensure volume is unmounted mountCmd3, err := Start(exec.Command("mount"), GinkgoWriter, GinkgoWriter) Expect(err).To(BeNil()) mountCmd3.Wait(90) Expect(mountCmd3).Should(Exit(0)) os.Stdout.Sync() os.Stderr.Sync() mountOut3 := strings.Join(strings.Fields(string(mountCmd3.Out.Contents())), " ") fmt.Printf("Output: %s", mountOut3) Expect(strings.Contains(mountOut3, volName)).To(BeFalse()) }) It("podman named volume copyup", func() { baselineSession := podmanTest.Podman([]string{"run", "--rm", "-t", "-i", ALPINE, "ls", "/etc/apk/"}) baselineSession.WaitWithDefaultTimeout() Expect(baselineSession).Should(Exit(0)) baselineOutput := baselineSession.OutputToString() inlineVolumeSession := podmanTest.Podman([]string{"run", "--rm", "-t", "-i", "-v", "testvol1:/etc/apk", ALPINE, "ls", "/etc/apk/"}) inlineVolumeSession.WaitWithDefaultTimeout() Expect(inlineVolumeSession).Should(Exit(0)) Expect(inlineVolumeSession.OutputToString()).To(Equal(baselineOutput)) makeVolumeSession := podmanTest.Podman([]string{"volume", "create", "testvol2"}) makeVolumeSession.WaitWithDefaultTimeout() Expect(makeVolumeSession).Should(Exit(0)) separateVolumeSession := podmanTest.Podman([]string{"run", "--rm", "-t", "-i", "-v", "testvol2:/etc/apk", ALPINE, "ls", "/etc/apk/"}) separateVolumeSession.WaitWithDefaultTimeout() Expect(separateVolumeSession).Should(Exit(0)) Expect(separateVolumeSession.OutputToString()).To(Equal(baselineOutput)) }) It("podman named volume copyup symlink", func() { imgName := "testimg" dockerfile := fmt.Sprintf(`FROM %s RUN touch /testfile RUN sh -c "cd /etc/apk && ln -s ../../testfile"`, ALPINE) podmanTest.BuildImage(dockerfile, imgName, "false") baselineSession := podmanTest.Podman([]string{"run", "--rm", "-t", "-i", imgName, "ls", "/etc/apk/"}) baselineSession.WaitWithDefaultTimeout() Expect(baselineSession).Should(Exit(0)) baselineOutput := baselineSession.OutputToString() outputSession := podmanTest.Podman([]string{"run", "-t", "-i", "-v", "/etc/apk/", imgName, "ls", "/etc/apk/"}) outputSession.WaitWithDefaultTimeout() Expect(outputSession).Should(Exit(0)) Expect(outputSession.OutputToString()).To(Equal(baselineOutput)) }) It("podman named volume copyup empty directory", func() { baselineSession := podmanTest.Podman([]string{"run", "--rm", "-t", "-i", ALPINE, "ls", "/srv"}) baselineSession.WaitWithDefaultTimeout() Expect(baselineSession).Should(Exit(0)) baselineOutput := baselineSession.OutputToString() outputSession := podmanTest.Podman([]string{"run", "-t", "-i", "-v", "/srv", ALPINE, "ls", "/srv"}) outputSession.WaitWithDefaultTimeout() Expect(outputSession).Should(Exit(0)) Expect(outputSession.OutputToString()).To(Equal(baselineOutput)) }) It("podman named volume copyup of /var", func() { baselineSession := podmanTest.Podman([]string{"run", "--rm", "-t", "-i", fedoraMinimal, "ls", "/var"}) baselineSession.WaitWithDefaultTimeout() Expect(baselineSession).Should(Exit(0)) baselineOutput := baselineSession.OutputToString() outputSession := podmanTest.Podman([]string{"run", "-t", "-i", "-v", "/var", fedoraMinimal, "ls", "/var"}) outputSession.WaitWithDefaultTimeout() Expect(outputSession).Should(Exit(0)) Expect(outputSession.OutputToString()).To(Equal(baselineOutput)) }) It("podman read-only tmpfs conflict with volume", func() { session := podmanTest.Podman([]string{"run", "--rm", "-t", "-i", "--read-only", "-v", "tmp_volume:" + dest, ALPINE, "touch", dest + "/a"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session2 := podmanTest.Podman([]string{"run", "--rm", "-t", "-i", "--read-only", "--tmpfs", dest, ALPINE, "touch", dest + "/a"}) session2.WaitWithDefaultTimeout() Expect(session2).Should(Exit(0)) }) It("podman run with anonymous volume", func() { list1 := podmanTest.Podman([]string{"volume", "list", "--quiet"}) list1.WaitWithDefaultTimeout() Expect(list1).Should(Exit(0)) Expect(list1.OutputToString()).To(Equal("")) session := podmanTest.Podman([]string{"create", "-v", "/test", ALPINE, "top"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) list2 := podmanTest.Podman([]string{"volume", "list", "--quiet"}) list2.WaitWithDefaultTimeout() Expect(list2).Should(Exit(0)) arr := list2.OutputToStringArray() Expect(len(arr)).To(Equal(1)) Expect(arr[0]).To(Not(Equal(""))) }) It("podman rm -v removes anonymous volume", func() { list1 := podmanTest.Podman([]string{"volume", "list", "--quiet"}) list1.WaitWithDefaultTimeout() Expect(list1).Should(Exit(0)) Expect(list1.OutputToString()).To(Equal("")) ctrName := "testctr" session := podmanTest.Podman([]string{"create", "--name", ctrName, "-v", "/test", ALPINE, "top"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) list2 := podmanTest.Podman([]string{"volume", "list", "--quiet"}) list2.WaitWithDefaultTimeout() Expect(list2).Should(Exit(0)) arr := list2.OutputToStringArray() Expect(len(arr)).To(Equal(1)) Expect(arr[0]).To(Not(Equal(""))) remove := podmanTest.Podman([]string{"rm", "-v", ctrName}) remove.WaitWithDefaultTimeout() Expect(remove).Should(Exit(0)) list3 := podmanTest.Podman([]string{"volume", "list", "--quiet"}) list3.WaitWithDefaultTimeout() Expect(list3).Should(Exit(0)) Expect(list3.OutputToString()).To(Equal("")) }) It("podman rm -v retains named volume", func() { list1 := podmanTest.Podman([]string{"volume", "list", "--quiet"}) list1.WaitWithDefaultTimeout() Expect(list1).Should(Exit(0)) Expect(list1.OutputToString()).To(Equal("")) ctrName := "testctr" volName := "testvol" session := podmanTest.Podman([]string{"create", "--name", ctrName, "-v", fmt.Sprintf("%s:/test", volName), ALPINE, "top"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) list2 := podmanTest.Podman([]string{"volume", "list", "--quiet"}) list2.WaitWithDefaultTimeout() Expect(list2).Should(Exit(0)) arr := list2.OutputToStringArray() Expect(len(arr)).To(Equal(1)) Expect(arr[0]).To(Equal(volName)) remove := podmanTest.Podman([]string{"rm", "-v", ctrName}) remove.WaitWithDefaultTimeout() Expect(remove).Should(Exit(0)) list3 := podmanTest.Podman([]string{"volume", "list", "--quiet"}) list3.WaitWithDefaultTimeout() Expect(list3).Should(Exit(0)) arr2 := list3.OutputToStringArray() Expect(len(arr2)).To(Equal(1)) Expect(arr2[0]).To(Equal(volName)) }) It("podman run image volume is not noexec", func() { session := podmanTest.Podman([]string{"run", "--rm", redis, "grep", "/data", "/proc/self/mountinfo"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(Not(ContainSubstring("noexec"))) }) It("podman mount with invalid option fails", func() { volName := "testVol" volCreate := podmanTest.Podman([]string{"volume", "create", "--opt", "type=tmpfs", "--opt", "device=tmpfs", "--opt", "o=invalid", volName}) volCreate.WaitWithDefaultTimeout() Expect(volCreate).Should(Exit(0)) volMount := podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:/tmp", volName), ALPINE, "ls"}) volMount.WaitWithDefaultTimeout() Expect(volMount).To(ExitWithError()) }) It("Podman fix for CVE-2020-1726", func() { volName := "testVol" volCreate := podmanTest.Podman([]string{"volume", "create", volName}) volCreate.WaitWithDefaultTimeout() Expect(volCreate).Should(Exit(0)) volPath := podmanTest.Podman([]string{"volume", "inspect", "--format", "{{.Mountpoint}}", volName}) volPath.WaitWithDefaultTimeout() Expect(volPath).Should(Exit(0)) path := volPath.OutputToString() fileName := "thisIsATestFile" file, err := os.Create(filepath.Join(path, fileName)) Expect(err).To(BeNil()) defer file.Close() runLs := podmanTest.Podman([]string{"run", "-t", "-i", "--rm", "-v", fmt.Sprintf("%v:/etc/ssl", volName), ALPINE, "ls", "-1", "/etc/ssl"}) runLs.WaitWithDefaultTimeout() Expect(runLs).Should(Exit(0)) outputArr := runLs.OutputToStringArray() Expect(len(outputArr)).To(Equal(1)) Expect(strings.Contains(outputArr[0], fileName)).To(BeTrue()) }) It("Podman mount over image volume with trailing /", func() { image := "podman-volume-test:trailing" dockerfile := fmt.Sprintf(`FROM %s VOLUME /test/`, ALPINE) podmanTest.BuildImage(dockerfile, image, "false") ctrName := "testCtr" create := podmanTest.Podman([]string{"create", "-v", "/tmp:/test", "--name", ctrName, image, "ls"}) create.WaitWithDefaultTimeout() Expect(create).Should(Exit(0)) data := podmanTest.InspectContainer(ctrName) Expect(len(data)).To(Equal(1)) Expect(len(data[0].Mounts)).To(Equal(1)) Expect(data[0].Mounts[0].Source).To(Equal("/tmp")) Expect(data[0].Mounts[0].Destination).To(Equal("/test")) }) It("podman run with overlay volume flag", func() { SkipIfRemote("Overlay volumes only work locally") if os.Getenv("container") != "" { Skip("Overlay mounts not supported when running in a container") } if rootless.IsRootless() { if _, err := exec.LookPath("fuse-overlayfs"); err != nil { Skip("Fuse-Overlayfs required for rootless overlay mount test") } } mountPath := filepath.Join(podmanTest.TempDir, "secrets") os.Mkdir(mountPath, 0755) testFile := filepath.Join(mountPath, "test1") f, err := os.Create(testFile) Expect(err).To(BeNil(), "os.Create "+testFile) f.Close() // Make sure host directory gets mounted in to container as overlay volumeFlag := fmt.Sprintf("%s:/run/test:O", mountPath) Expect(getMountInfo(volumeFlag)[7]).To(Equal("overlay")) // Make sure host files show up in the container session := podmanTest.Podman([]string{"run", "--rm", "-v", volumeFlag, ALPINE, "ls", "/run/test/test1"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) // Make sure modifications in container do not show up on host session = podmanTest.Podman([]string{"run", "--rm", "-v", volumeFlag, ALPINE, "touch", "/run/test/container"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) _, err = os.Stat(filepath.Join(mountPath, "container")) Expect(err).To(Not(BeNil())) // Make sure modifications in container disappear when container is stopped session = podmanTest.Podman([]string{"create", "-v", fmt.Sprintf("%s:/run/test:O", mountPath), ALPINE, "top"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"start", "-l"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"exec", "-l", "touch", "/run/test/container"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"exec", "-l", "ls", "/run/test/container"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"stop", "-l"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"start", "-l"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"exec", "-l", "ls", "/run/test/container"}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) }) It("overlay volume conflicts with named volume and mounts", func() { mountPath := filepath.Join(podmanTest.TempDir, "secrets") os.Mkdir(mountPath, 0755) testFile := filepath.Join(mountPath, "test1") f, err := os.Create(testFile) Expect(err).To(BeNil()) f.Close() mountSrc := filepath.Join(podmanTest.TempDir, "vol-test1") err = os.MkdirAll(mountSrc, 0755) Expect(err).To(BeNil()) mountDest := "/run/test" volName := "myvol" session := podmanTest.Podman([]string{"volume", "create", volName}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) // overlay and named volume destinations conflict session = podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:%s:O", mountPath, mountDest), "-v", fmt.Sprintf("%s:%s", volName, mountDest), ALPINE}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) // overlay and bind mount destinations conflict session = podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:%s:O", mountPath, mountDest), "--mount", fmt.Sprintf("type=bind,src=%s,target=%s", mountSrc, mountDest), ALPINE}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) // overlay and tmpfs mount destinations conflict session = podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:%s:O", mountPath, mountDest), "--mount", fmt.Sprintf("type=tmpfs,target=%s", mountDest), ALPINE}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) }) It("same volume in multiple places does not deadlock", func() { volName := "testVol1" session := podmanTest.Podman([]string{"run", "-t", "-i", "-v", fmt.Sprintf("%s:/test1", volName), "-v", fmt.Sprintf("%s:/test2", volName), "--rm", ALPINE, "sh", "-c", "mount | grep /test"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(Equal(2)) }) It("podman run with --volume and U flag", func() { SkipIfRemote("Overlay volumes only work locally") u, err := user.Current() Expect(err).To(BeNil()) name := u.Username if name == "root" { name = "containers" } content, err := ioutil.ReadFile("/etc/subuid") if err != nil { Skip("cannot read /etc/subuid") } if !strings.Contains(string(content), name) { Skip("cannot find mappings for the current user") } if os.Getenv("container") != "" { Skip("Overlay mounts not supported when running in a container") } if rootless.IsRootless() { if _, err := exec.LookPath("fuse_overlay"); err != nil { Skip("Fuse-Overlayfs required for rootless overlay mount test") } } mountPath := filepath.Join(podmanTest.TempDir, "secrets") os.Mkdir(mountPath, 0755) vol := mountPath + ":" + dest + ":U" session := podmanTest.Podman([]string{"run", "--rm", "--user", "888:888", "-v", vol, ALPINE, "stat", "-c", "%u:%g", dest}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring("888:888")) session = podmanTest.Podman([]string{"run", "--rm", "--user", "888:888", "--userns", "auto", "-v", vol, ALPINE, "stat", "-c", "%u:%g", dest}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring("888:888")) vol = vol + ",O" session = podmanTest.Podman([]string{"run", "--rm", "--user", "888:888", "--userns", "keep-id", "-v", vol, ALPINE, "stat", "-c", "%u:%g", dest}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(ContainSubstring("888:888")) }) It("podman run with --mount and U flag", func() { u, err := user.Current() Expect(err).To(BeNil()) name := u.Username if name == "root" { name = "containers" } content, err := ioutil.ReadFile("/etc/subuid") if err != nil { Skip("cannot read /etc/subuid") } if !strings.Contains(string(content), name) { Skip("cannot find mappings for the current user") } mountPath := filepath.Join(podmanTest.TempDir, "foo") os.Mkdir(mountPath, 0755) // false bind mount vol := "type=bind,src=" + mountPath + ",dst=" + dest + ",U=false" session := podmanTest.Podman([]string{"run", "--rm", "--user", "888:888", "--mount", vol, ALPINE, "stat", "-c", "%u:%g", dest}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).ShouldNot(Equal("888:888")) // invalid bind mount vol = "type=bind,src=" + mountPath + ",dst=" + dest + ",U=invalid" session = podmanTest.Podman([]string{"run", "--rm", "--user", "888:888", "--mount", vol, ALPINE, "stat", "-c", "%u:%g", dest}) session.WaitWithDefaultTimeout() Expect(session).To(ExitWithError()) // true bind mount vol = "type=bind,src=" + mountPath + ",dst=" + dest + ",U=true" session = podmanTest.Podman([]string{"run", "--rm", "--user", "888:888", "--mount", vol, ALPINE, "stat", "-c", "%u:%g", dest}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).Should(Equal("888:888")) // tmpfs mount vol = "type=tmpfs," + "dst=" + dest + ",chown" session = podmanTest.Podman([]string{"run", "--rm", "--user", "888:888", "--mount", vol, ALPINE, "stat", "-c", "%u:%g", dest}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).Should(Equal("888:888")) // named volume mount namedVolume := podmanTest.Podman([]string{"volume", "create", "foo"}) namedVolume.WaitWithDefaultTimeout() Expect(namedVolume).Should(Exit(0)) vol = "type=volume,src=foo,dst=" + dest + ",chown=true" session = podmanTest.Podman([]string{"run", "--rm", "--user", "888:888", "--mount", vol, ALPINE, "stat", "-c", "%u:%g", dest}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).Should(Equal("888:888")) }) It("volume permissions after run", func() { imgName := "testimg" dockerfile := fmt.Sprintf(`FROM %s RUN useradd -m testuser -u 1005 USER testuser`, fedoraMinimal) podmanTest.BuildImage(dockerfile, imgName, "false") testString := "testuser testuser" test1 := podmanTest.Podman([]string{"run", "-v", "testvol1:/test", imgName, "bash", "-c", "ls -al /test | grep -v root | grep -v total"}) test1.WaitWithDefaultTimeout() Expect(test1).Should(Exit(0)) Expect(strings.Contains(test1.OutputToString(), testString)).To(BeTrue()) volName := "testvol2" vol := podmanTest.Podman([]string{"volume", "create", volName}) vol.WaitWithDefaultTimeout() Expect(vol).Should(Exit(0)) test2 := podmanTest.Podman([]string{"run", "-v", fmt.Sprintf("%s:/test", volName), imgName, "bash", "-c", "ls -al /test | grep -v root | grep -v total"}) test2.WaitWithDefaultTimeout() Expect(test2).Should(Exit(0)) Expect(strings.Contains(test2.OutputToString(), testString)).To(BeTrue()) }) It("podman volume with uid and gid works", func() { volName := "testVol" volCreate := podmanTest.Podman([]string{"volume", "create", "--opt", "o=uid=1000", volName}) volCreate.WaitWithDefaultTimeout() Expect(volCreate).Should(Exit(0)) volMount := podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:/test", volName), ALPINE, "stat", "-c", "%u", "/test"}) volMount.WaitWithDefaultTimeout() Expect(volMount).Should(Exit(0)) Expect(volMount.OutputToString()).To(Equal("1000")) volName = "testVol2" volCreate = podmanTest.Podman([]string{"volume", "create", "--opt", "o=gid=1000", volName}) volCreate.WaitWithDefaultTimeout() Expect(volCreate).Should(Exit(0)) volMount = podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:/test", volName), ALPINE, "stat", "-c", "%g", "/test"}) volMount.WaitWithDefaultTimeout() Expect(volMount).Should(Exit(0)) Expect(volMount.OutputToString()).To(Equal("1000")) volName = "testVol3" volCreate = podmanTest.Podman([]string{"volume", "create", "--opt", "o=uid=1000,gid=1000", volName}) volCreate.WaitWithDefaultTimeout() Expect(volCreate).Should(Exit(0)) volMount = podmanTest.Podman([]string{"run", "--rm", "-v", fmt.Sprintf("%s:/test", volName), ALPINE, "stat", "-c", "%u:%g", "/test"}) volMount.WaitWithDefaultTimeout() Expect(volMount).Should(Exit(0)) Expect(volMount.OutputToString()).To(Equal("1000:1000")) }) })