| package main |
| |
| import ( |
| "bytes" |
| "fmt" |
| "io/ioutil" |
| "os" |
| "os/exec" |
| "path" |
| "path/filepath" |
| "strings" |
| |
| "github.com/go-check/check" |
| ) |
| |
| const ( |
| cpTestPathParent = "/some" |
| cpTestPath = "/some/path" |
| cpTestName = "test" |
| cpFullPath = "/some/path/test" |
| |
| cpContainerContents = "holla, i am the container" |
| cpHostContents = "hello, i am the host" |
| ) |
| |
| // Ensure that an all-local path case returns an error. |
| func (s *DockerSuite) TestCpLocalOnly(c *check.C) { |
| err := runDockerCp(c, "foo", "bar") |
| if err == nil { |
| c.Fatal("expected failure, got success") |
| } |
| |
| if !strings.Contains(err.Error(), "must specify at least one container source") { |
| c.Fatalf("unexpected output: %s", err.Error()) |
| } |
| } |
| |
| // Test for #5656 |
| // Check that garbage paths don't escape the container's rootfs |
| func (s *DockerSuite) TestCpGarbagePath(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath) |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| if err := os.MkdirAll(cpTestPath, os.ModeDir); err != nil { |
| c.Fatal(err) |
| } |
| |
| hostFile, err := os.Create(cpFullPath) |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer hostFile.Close() |
| defer os.RemoveAll(cpTestPathParent) |
| |
| fmt.Fprintf(hostFile, "%s", cpHostContents) |
| |
| tmpdir, err := ioutil.TempDir("", "docker-integration") |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| tmpname := filepath.Join(tmpdir, cpTestName) |
| defer os.RemoveAll(tmpdir) |
| |
| path := path.Join("../../../../../../../../../../../../", cpFullPath) |
| |
| dockerCmd(c, "cp", cleanedContainerID+":"+path, tmpdir) |
| |
| file, _ := os.Open(tmpname) |
| defer file.Close() |
| |
| test, err := ioutil.ReadAll(file) |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| if string(test) == cpHostContents { |
| c.Errorf("output matched host file -- garbage path can escape container rootfs") |
| } |
| |
| if string(test) != cpContainerContents { |
| c.Errorf("output doesn't match the input for garbage path") |
| } |
| |
| } |
| |
| // Check that relative paths are relative to the container's rootfs |
| func (s *DockerSuite) TestCpRelativePath(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath) |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| if err := os.MkdirAll(cpTestPath, os.ModeDir); err != nil { |
| c.Fatal(err) |
| } |
| |
| hostFile, err := os.Create(cpFullPath) |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer hostFile.Close() |
| defer os.RemoveAll(cpTestPathParent) |
| |
| fmt.Fprintf(hostFile, "%s", cpHostContents) |
| |
| tmpdir, err := ioutil.TempDir("", "docker-integration") |
| |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| tmpname := filepath.Join(tmpdir, cpTestName) |
| defer os.RemoveAll(tmpdir) |
| |
| var relPath string |
| if path.IsAbs(cpFullPath) { |
| // normally this is `filepath.Rel("/", cpFullPath)` but we cannot |
| // get this unix-path manipulation on windows with filepath. |
| relPath = cpFullPath[1:] |
| } else { |
| c.Fatalf("path %s was assumed to be an absolute path", cpFullPath) |
| } |
| |
| dockerCmd(c, "cp", cleanedContainerID+":"+relPath, tmpdir) |
| |
| file, _ := os.Open(tmpname) |
| defer file.Close() |
| |
| test, err := ioutil.ReadAll(file) |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| if string(test) == cpHostContents { |
| c.Errorf("output matched host file -- relative path can escape container rootfs") |
| } |
| |
| if string(test) != cpContainerContents { |
| c.Errorf("output doesn't match the input for relative path") |
| } |
| |
| } |
| |
| // Check that absolute paths are relative to the container's rootfs |
| func (s *DockerSuite) TestCpAbsolutePath(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath) |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| if err := os.MkdirAll(cpTestPath, os.ModeDir); err != nil { |
| c.Fatal(err) |
| } |
| |
| hostFile, err := os.Create(cpFullPath) |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer hostFile.Close() |
| defer os.RemoveAll(cpTestPathParent) |
| |
| fmt.Fprintf(hostFile, "%s", cpHostContents) |
| |
| tmpdir, err := ioutil.TempDir("", "docker-integration") |
| |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| tmpname := filepath.Join(tmpdir, cpTestName) |
| defer os.RemoveAll(tmpdir) |
| |
| path := cpFullPath |
| |
| dockerCmd(c, "cp", cleanedContainerID+":"+path, tmpdir) |
| |
| file, _ := os.Open(tmpname) |
| defer file.Close() |
| |
| test, err := ioutil.ReadAll(file) |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| if string(test) == cpHostContents { |
| c.Errorf("output matched host file -- absolute path can escape container rootfs") |
| } |
| |
| if string(test) != cpContainerContents { |
| c.Errorf("output doesn't match the input for absolute path") |
| } |
| |
| } |
| |
| // Test for #5619 |
| // Check that absolute symlinks are still relative to the container's rootfs |
| func (s *DockerSuite) TestCpAbsoluteSymlink(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath+" && ln -s "+cpFullPath+" container_path") |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| if err := os.MkdirAll(cpTestPath, os.ModeDir); err != nil { |
| c.Fatal(err) |
| } |
| |
| hostFile, err := os.Create(cpFullPath) |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer hostFile.Close() |
| defer os.RemoveAll(cpTestPathParent) |
| |
| fmt.Fprintf(hostFile, "%s", cpHostContents) |
| |
| tmpdir, err := ioutil.TempDir("", "docker-integration") |
| |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| tmpname := filepath.Join(tmpdir, "container_path") |
| defer os.RemoveAll(tmpdir) |
| |
| path := path.Join("/", "container_path") |
| |
| dockerCmd(c, "cp", cleanedContainerID+":"+path, tmpdir) |
| |
| // We should have copied a symlink *NOT* the file itself! |
| linkTarget, err := os.Readlink(tmpname) |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| if linkTarget != filepath.FromSlash(cpFullPath) { |
| c.Errorf("symlink target was %q, but expected: %q", linkTarget, cpFullPath) |
| } |
| } |
| |
| // Check that symlinks to a directory behave as expected when copying one from |
| // a container. |
| func (s *DockerSuite) TestCpFromSymlinkToDirectory(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath+" && ln -s "+cpTestPathParent+" /dir_link") |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| testDir, err := ioutil.TempDir("", "test-cp-from-symlink-to-dir-") |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer os.RemoveAll(testDir) |
| |
| // This copy command should copy the symlink, not the target, into the |
| // temporary directory. |
| dockerCmd(c, "cp", cleanedContainerID+":"+"/dir_link", testDir) |
| |
| expectedPath := filepath.Join(testDir, "dir_link") |
| linkTarget, err := os.Readlink(expectedPath) |
| if err != nil { |
| c.Fatalf("unable to read symlink at %q: %v", expectedPath, err) |
| } |
| |
| if linkTarget != filepath.FromSlash(cpTestPathParent) { |
| c.Errorf("symlink target was %q, but expected: %q", linkTarget, cpTestPathParent) |
| } |
| |
| os.Remove(expectedPath) |
| |
| // This copy command should resolve the symlink (note the trailing |
| // separator), copying the target into the temporary directory. |
| dockerCmd(c, "cp", cleanedContainerID+":"+"/dir_link/", testDir) |
| |
| // It *should not* have copied the directory using the target's name, but |
| // used the given name instead. |
| unexpectedPath := filepath.Join(testDir, cpTestPathParent) |
| if stat, err := os.Lstat(unexpectedPath); err == nil { |
| c.Fatalf("target name was copied: %q - %q", stat.Mode(), stat.Name()) |
| } |
| |
| // It *should* have copied the directory using the asked name "dir_link". |
| stat, err := os.Lstat(expectedPath) |
| if err != nil { |
| c.Fatalf("unable to stat resource at %q: %v", expectedPath, err) |
| } |
| |
| if !stat.IsDir() { |
| c.Errorf("should have copied a directory but got %q instead", stat.Mode()) |
| } |
| } |
| |
| // Check that symlinks to a directory behave as expected when copying one to a |
| // container. |
| func (s *DockerSuite) TestCpToSymlinkToDirectory(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| testRequires(c, SameHostDaemon) // Requires local volume mount bind. |
| |
| testVol, err := ioutil.TempDir("", "test-cp-to-symlink-to-dir-") |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer os.RemoveAll(testVol) |
| |
| // Create a test container with a local volume. We will test by copying |
| // to the volume path in the container which we can then verify locally. |
| out, exitCode := dockerCmd(c, "create", "-v", testVol+":/testVol", "busybox") |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| // Create a temp directory to hold a test file nested in a direcotry. |
| testDir, err := ioutil.TempDir("", "test-cp-to-symlink-to-dir-") |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer os.RemoveAll(testDir) |
| |
| // This file will be at "/testDir/some/path/test" and will be copied into |
| // the test volume later. |
| hostTestFilename := filepath.Join(testDir, cpFullPath) |
| if err := os.MkdirAll(filepath.Dir(hostTestFilename), os.FileMode(0700)); err != nil { |
| c.Fatal(err) |
| } |
| if err := ioutil.WriteFile(hostTestFilename, []byte(cpHostContents), os.FileMode(0600)); err != nil { |
| c.Fatal(err) |
| } |
| |
| // Now create another temp directory to hold a symlink to the |
| // "/testDir/some" directory. |
| linkDir, err := ioutil.TempDir("", "test-cp-to-symlink-to-dir-") |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer os.RemoveAll(linkDir) |
| |
| // Then symlink "/linkDir/dir_link" to "/testdir/some". |
| linkTarget := filepath.Join(testDir, cpTestPathParent) |
| localLink := filepath.Join(linkDir, "dir_link") |
| if err := os.Symlink(linkTarget, localLink); err != nil { |
| c.Fatal(err) |
| } |
| |
| // Now copy that symlink into the test volume in the container. |
| dockerCmd(c, "cp", localLink, cleanedContainerID+":/testVol") |
| |
| // This copy command should have copied the symlink *not* the target. |
| expectedPath := filepath.Join(testVol, "dir_link") |
| actualLinkTarget, err := os.Readlink(expectedPath) |
| if err != nil { |
| c.Fatalf("unable to read symlink at %q: %v", expectedPath, err) |
| } |
| |
| if actualLinkTarget != linkTarget { |
| c.Errorf("symlink target was %q, but expected: %q", actualLinkTarget, linkTarget) |
| } |
| |
| // Good, now remove that copied link for the next test. |
| os.Remove(expectedPath) |
| |
| // This copy command should resolve the symlink (note the trailing |
| // separator), copying the target into the test volume directory in the |
| // container. |
| dockerCmd(c, "cp", localLink+"/", cleanedContainerID+":/testVol") |
| |
| // It *should not* have copied the directory using the target's name, but |
| // used the given name instead. |
| unexpectedPath := filepath.Join(testVol, cpTestPathParent) |
| if stat, err := os.Lstat(unexpectedPath); err == nil { |
| c.Fatalf("target name was copied: %q - %q", stat.Mode(), stat.Name()) |
| } |
| |
| // It *should* have copied the directory using the asked name "dir_link". |
| stat, err := os.Lstat(expectedPath) |
| if err != nil { |
| c.Fatalf("unable to stat resource at %q: %v", expectedPath, err) |
| } |
| |
| if !stat.IsDir() { |
| c.Errorf("should have copied a directory but got %q instead", stat.Mode()) |
| } |
| |
| // And this directory should contain the file copied from the host at the |
| // expected location: "/testVol/dir_link/path/test" |
| expectedFilepath := filepath.Join(testVol, "dir_link/path/test") |
| fileContents, err := ioutil.ReadFile(expectedFilepath) |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| if string(fileContents) != cpHostContents { |
| c.Fatalf("file contains %q but expected %q", string(fileContents), cpHostContents) |
| } |
| } |
| |
| // Test for #5619 |
| // Check that symlinks which are part of the resource path are still relative to the container's rootfs |
| func (s *DockerSuite) TestCpSymlinkComponent(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "mkdir -p '"+cpTestPath+"' && echo -n '"+cpContainerContents+"' > "+cpFullPath+" && ln -s "+cpTestPath+" container_path") |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| if err := os.MkdirAll(cpTestPath, os.ModeDir); err != nil { |
| c.Fatal(err) |
| } |
| |
| hostFile, err := os.Create(cpFullPath) |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer hostFile.Close() |
| defer os.RemoveAll(cpTestPathParent) |
| |
| fmt.Fprintf(hostFile, "%s", cpHostContents) |
| |
| tmpdir, err := ioutil.TempDir("", "docker-integration") |
| |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| tmpname := filepath.Join(tmpdir, cpTestName) |
| defer os.RemoveAll(tmpdir) |
| |
| path := path.Join("/", "container_path", cpTestName) |
| |
| dockerCmd(c, "cp", cleanedContainerID+":"+path, tmpdir) |
| |
| file, _ := os.Open(tmpname) |
| defer file.Close() |
| |
| test, err := ioutil.ReadAll(file) |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| if string(test) == cpHostContents { |
| c.Errorf("output matched host file -- symlink path component can escape container rootfs") |
| } |
| |
| if string(test) != cpContainerContents { |
| c.Errorf("output doesn't match the input for symlink path component") |
| } |
| |
| } |
| |
| // Check that cp with unprivileged user doesn't return any error |
| func (s *DockerSuite) TestCpUnprivilegedUser(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| testRequires(c, UnixCli) // uses chmod/su: not available on windows |
| |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "touch "+cpTestName) |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| tmpdir, err := ioutil.TempDir("", "docker-integration") |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| defer os.RemoveAll(tmpdir) |
| |
| if err = os.Chmod(tmpdir, 0777); err != nil { |
| c.Fatal(err) |
| } |
| |
| path := cpTestName |
| |
| _, _, err = runCommandWithOutput(exec.Command("su", "unprivilegeduser", "-c", dockerBinary+" cp "+cleanedContainerID+":"+path+" "+tmpdir)) |
| if err != nil { |
| c.Fatalf("couldn't copy with unprivileged user: %s:%s %s", cleanedContainerID, path, err) |
| } |
| |
| } |
| |
| func (s *DockerSuite) TestCpSpecialFiles(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| testRequires(c, SameHostDaemon) |
| |
| outDir, err := ioutil.TempDir("", "cp-test-special-files") |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer os.RemoveAll(outDir) |
| |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "touch /foo") |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| // Copy actual /etc/resolv.conf |
| dockerCmd(c, "cp", cleanedContainerID+":/etc/resolv.conf", outDir) |
| |
| expected, err := readContainerFile(cleanedContainerID, "resolv.conf") |
| actual, err := ioutil.ReadFile(outDir + "/resolv.conf") |
| |
| if !bytes.Equal(actual, expected) { |
| c.Fatalf("Expected copied file to be duplicate of the container resolvconf") |
| } |
| |
| // Copy actual /etc/hosts |
| dockerCmd(c, "cp", cleanedContainerID+":/etc/hosts", outDir) |
| |
| expected, err = readContainerFile(cleanedContainerID, "hosts") |
| actual, err = ioutil.ReadFile(outDir + "/hosts") |
| |
| if !bytes.Equal(actual, expected) { |
| c.Fatalf("Expected copied file to be duplicate of the container hosts") |
| } |
| |
| // Copy actual /etc/resolv.conf |
| dockerCmd(c, "cp", cleanedContainerID+":/etc/hostname", outDir) |
| |
| expected, err = readContainerFile(cleanedContainerID, "hostname") |
| actual, err = ioutil.ReadFile(outDir + "/hostname") |
| |
| if !bytes.Equal(actual, expected) { |
| c.Fatalf("Expected copied file to be duplicate of the container resolvconf") |
| } |
| |
| } |
| |
| func (s *DockerSuite) TestCpVolumePath(c *check.C) { |
| // stat /tmp/cp-test-volumepath851508420/test gets permission denied for the user |
| testRequires(c, NotUserNamespace) |
| testRequires(c, DaemonIsLinux) |
| testRequires(c, SameHostDaemon) |
| |
| tmpDir, err := ioutil.TempDir("", "cp-test-volumepath") |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer os.RemoveAll(tmpDir) |
| outDir, err := ioutil.TempDir("", "cp-test-volumepath-out") |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer os.RemoveAll(outDir) |
| _, err = os.Create(tmpDir + "/test") |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| out, exitCode := dockerCmd(c, "run", "-d", "-v", "/foo", "-v", tmpDir+"/test:/test", "-v", tmpDir+":/baz", "busybox", "/bin/sh", "-c", "touch /foo/bar") |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| // Copy actual volume path |
| dockerCmd(c, "cp", cleanedContainerID+":/foo", outDir) |
| |
| stat, err := os.Stat(outDir + "/foo") |
| if err != nil { |
| c.Fatal(err) |
| } |
| if !stat.IsDir() { |
| c.Fatal("expected copied content to be dir") |
| } |
| stat, err = os.Stat(outDir + "/foo/bar") |
| if err != nil { |
| c.Fatal(err) |
| } |
| if stat.IsDir() { |
| c.Fatal("Expected file `bar` to be a file") |
| } |
| |
| // Copy file nested in volume |
| dockerCmd(c, "cp", cleanedContainerID+":/foo/bar", outDir) |
| |
| stat, err = os.Stat(outDir + "/bar") |
| if err != nil { |
| c.Fatal(err) |
| } |
| if stat.IsDir() { |
| c.Fatal("Expected file `bar` to be a file") |
| } |
| |
| // Copy Bind-mounted dir |
| dockerCmd(c, "cp", cleanedContainerID+":/baz", outDir) |
| stat, err = os.Stat(outDir + "/baz") |
| if err != nil { |
| c.Fatal(err) |
| } |
| if !stat.IsDir() { |
| c.Fatal("Expected `baz` to be a dir") |
| } |
| |
| // Copy file nested in bind-mounted dir |
| dockerCmd(c, "cp", cleanedContainerID+":/baz/test", outDir) |
| fb, err := ioutil.ReadFile(outDir + "/baz/test") |
| if err != nil { |
| c.Fatal(err) |
| } |
| fb2, err := ioutil.ReadFile(tmpDir + "/test") |
| if err != nil { |
| c.Fatal(err) |
| } |
| if !bytes.Equal(fb, fb2) { |
| c.Fatalf("Expected copied file to be duplicate of bind-mounted file") |
| } |
| |
| // Copy bind-mounted file |
| dockerCmd(c, "cp", cleanedContainerID+":/test", outDir) |
| fb, err = ioutil.ReadFile(outDir + "/test") |
| if err != nil { |
| c.Fatal(err) |
| } |
| fb2, err = ioutil.ReadFile(tmpDir + "/test") |
| if err != nil { |
| c.Fatal(err) |
| } |
| if !bytes.Equal(fb, fb2) { |
| c.Fatalf("Expected copied file to be duplicate of bind-mounted file") |
| } |
| |
| } |
| |
| func (s *DockerSuite) TestCpToDot(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "echo lololol > /test") |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| tmpdir, err := ioutil.TempDir("", "docker-integration") |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer os.RemoveAll(tmpdir) |
| cwd, err := os.Getwd() |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer os.Chdir(cwd) |
| if err := os.Chdir(tmpdir); err != nil { |
| c.Fatal(err) |
| } |
| dockerCmd(c, "cp", cleanedContainerID+":/test", ".") |
| content, err := ioutil.ReadFile("./test") |
| if string(content) != "lololol\n" { |
| c.Fatalf("Wrong content in copied file %q, should be %q", content, "lololol\n") |
| } |
| } |
| |
| func (s *DockerSuite) TestCpToStdout(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "echo lololol > /test") |
| if exitCode != 0 { |
| c.Fatalf("failed to create a container:%s\n", out) |
| } |
| |
| cID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatalf("failed to set up container:%s\n", out) |
| } |
| |
| out, _, err := runCommandPipelineWithOutput( |
| exec.Command(dockerBinary, "cp", cID+":/test", "-"), |
| exec.Command("tar", "-vtf", "-")) |
| |
| if err != nil { |
| c.Fatalf("Failed to run commands: %s", err) |
| } |
| |
| if !strings.Contains(out, "test") || !strings.Contains(out, "-rw") { |
| c.Fatalf("Missing file from tar TOC:\n%s", out) |
| } |
| } |
| |
| func (s *DockerSuite) TestCpNameHasColon(c *check.C) { |
| testRequires(c, SameHostDaemon) |
| |
| out, exitCode := dockerCmd(c, "run", "-d", "busybox", "/bin/sh", "-c", "echo lololol > /te:s:t") |
| if exitCode != 0 { |
| c.Fatal("failed to create a container", out) |
| } |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| out, _ = dockerCmd(c, "wait", cleanedContainerID) |
| if strings.TrimSpace(out) != "0" { |
| c.Fatal("failed to set up container", out) |
| } |
| |
| tmpdir, err := ioutil.TempDir("", "docker-integration") |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer os.RemoveAll(tmpdir) |
| dockerCmd(c, "cp", cleanedContainerID+":/te:s:t", tmpdir) |
| content, err := ioutil.ReadFile(tmpdir + "/te:s:t") |
| if string(content) != "lololol\n" { |
| c.Fatalf("Wrong content in copied file %q, should be %q", content, "lololol\n") |
| } |
| } |
| |
| func (s *DockerSuite) TestCopyAndRestart(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| expectedMsg := "hello" |
| out, _ := dockerCmd(c, "run", "-d", "busybox", "echo", expectedMsg) |
| id := strings.TrimSpace(string(out)) |
| |
| out, _ = dockerCmd(c, "wait", id) |
| |
| status := strings.TrimSpace(out) |
| if status != "0" { |
| c.Fatalf("container exited with status %s", status) |
| } |
| |
| tmpDir, err := ioutil.TempDir("", "test-docker-restart-after-copy-") |
| if err != nil { |
| c.Fatalf("unable to make temporary directory: %s", err) |
| } |
| defer os.RemoveAll(tmpDir) |
| |
| dockerCmd(c, "cp", fmt.Sprintf("%s:/etc/issue", id), tmpDir) |
| |
| out, _ = dockerCmd(c, "start", "-a", id) |
| |
| msg := strings.TrimSpace(out) |
| if msg != expectedMsg { |
| c.Fatalf("expected %q but got %q", expectedMsg, msg) |
| } |
| } |
| |
| func (s *DockerSuite) TestCopyCreatedContainer(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| dockerCmd(c, "create", "--name", "test_cp", "-v", "/test", "busybox") |
| |
| tmpDir, err := ioutil.TempDir("", "test") |
| if err != nil { |
| c.Fatalf("unable to make temporary directory: %s", err) |
| } |
| defer os.RemoveAll(tmpDir) |
| dockerCmd(c, "cp", "test_cp:/bin/sh", tmpDir) |
| } |