| // +build !windows |
| |
| package main |
| |
| import ( |
| "bufio" |
| "fmt" |
| "io/ioutil" |
| "os" |
| "os/exec" |
| "path" |
| "path/filepath" |
| "strings" |
| "time" |
| |
| "github.com/docker/docker/pkg/mount" |
| "github.com/go-check/check" |
| "github.com/kr/pty" |
| ) |
| |
| // #6509 |
| func (s *DockerSuite) TestRunRedirectStdout(c *check.C) { |
| checkRedirect := func(command string) { |
| _, tty, err := pty.Open() |
| if err != nil { |
| c.Fatalf("Could not open pty: %v", err) |
| } |
| cmd := exec.Command("sh", "-c", command) |
| cmd.Stdin = tty |
| cmd.Stdout = tty |
| cmd.Stderr = tty |
| if err := cmd.Start(); err != nil { |
| c.Fatalf("start err: %v", err) |
| } |
| ch := make(chan error) |
| go func() { |
| ch <- cmd.Wait() |
| close(ch) |
| }() |
| |
| select { |
| case <-time.After(10 * time.Second): |
| c.Fatal("command timeout") |
| case err := <-ch: |
| if err != nil { |
| c.Fatalf("wait err=%v", err) |
| } |
| } |
| } |
| |
| checkRedirect(dockerBinary + " run -i busybox cat /etc/passwd | grep -q root") |
| checkRedirect(dockerBinary + " run busybox cat /etc/passwd | grep -q root") |
| } |
| |
| // Test recursive bind mount works by default |
| func (s *DockerSuite) TestRunWithVolumesIsRecursive(c *check.C) { |
| tmpDir, err := ioutil.TempDir("", "docker_recursive_mount_test") |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| defer os.RemoveAll(tmpDir) |
| |
| // Create a temporary tmpfs mount. |
| tmpfsDir := filepath.Join(tmpDir, "tmpfs") |
| if err := os.MkdirAll(tmpfsDir, 0777); err != nil { |
| c.Fatalf("failed to mkdir at %s - %s", tmpfsDir, err) |
| } |
| if err := mount.Mount("tmpfs", tmpfsDir, "tmpfs", ""); err != nil { |
| c.Fatalf("failed to create a tmpfs mount at %s - %s", tmpfsDir, err) |
| } |
| |
| f, err := ioutil.TempFile(tmpfsDir, "touch-me") |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer f.Close() |
| |
| runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox:latest", "ls", "/tmp/tmpfs") |
| out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd) |
| if err != nil && exitCode != 0 { |
| c.Fatal(out, stderr, err) |
| } |
| if !strings.Contains(out, filepath.Base(f.Name())) { |
| c.Fatal("Recursive bind mount test failed. Expected file not found") |
| } |
| } |
| |
| func (s *DockerSuite) TestRunWithUlimits(c *check.C) { |
| testRequires(c, NativeExecDriver) |
| out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name=testulimits", "--ulimit", "nofile=42", "busybox", "/bin/sh", "-c", "ulimit -n")) |
| if err != nil { |
| c.Fatal(err, out) |
| } |
| |
| ul := strings.TrimSpace(out) |
| if ul != "42" { |
| c.Fatalf("expected `ulimit -n` to be 42, got %s", ul) |
| } |
| } |
| |
| func (s *DockerSuite) TestRunContainerWithCgroupParent(c *check.C) { |
| testRequires(c, NativeExecDriver) |
| |
| cgroupParent := "test" |
| data, err := ioutil.ReadFile("/proc/self/cgroup") |
| if err != nil { |
| c.Fatalf("failed to read '/proc/self/cgroup - %v", err) |
| } |
| selfCgroupPaths := parseCgroupPaths(string(data)) |
| selfCpuCgroup, found := selfCgroupPaths["memory"] |
| if !found { |
| c.Fatalf("unable to find self cpu cgroup path. CgroupsPath: %v", selfCgroupPaths) |
| } |
| |
| out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--cgroup-parent", cgroupParent, "--rm", "busybox", "cat", "/proc/self/cgroup")) |
| if err != nil { |
| c.Fatalf("unexpected failure when running container with --cgroup-parent option - %s\n%v", string(out), err) |
| } |
| cgroupPaths := parseCgroupPaths(string(out)) |
| if len(cgroupPaths) == 0 { |
| c.Fatalf("unexpected output - %q", string(out)) |
| } |
| found = false |
| expectedCgroupPrefix := path.Join(selfCpuCgroup, cgroupParent) |
| for _, path := range cgroupPaths { |
| if strings.HasPrefix(path, expectedCgroupPrefix) { |
| found = true |
| break |
| } |
| } |
| if !found { |
| c.Fatalf("unexpected cgroup paths. Expected at least one cgroup path to have prefix %q. Cgroup Paths: %v", expectedCgroupPrefix, cgroupPaths) |
| } |
| } |
| |
| func (s *DockerSuite) TestRunContainerWithCgroupParentAbsPath(c *check.C) { |
| testRequires(c, NativeExecDriver) |
| |
| cgroupParent := "/cgroup-parent/test" |
| |
| out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--cgroup-parent", cgroupParent, "--rm", "busybox", "cat", "/proc/self/cgroup")) |
| if err != nil { |
| c.Fatalf("unexpected failure when running container with --cgroup-parent option - %s\n%v", string(out), err) |
| } |
| cgroupPaths := parseCgroupPaths(string(out)) |
| if len(cgroupPaths) == 0 { |
| c.Fatalf("unexpected output - %q", string(out)) |
| } |
| found := false |
| for _, path := range cgroupPaths { |
| if strings.HasPrefix(path, cgroupParent) { |
| found = true |
| break |
| } |
| } |
| if !found { |
| c.Fatalf("unexpected cgroup paths. Expected at least one cgroup path to have prefix %q. Cgroup Paths: %v", cgroupParent, cgroupPaths) |
| } |
| } |
| |
| func (s *DockerSuite) TestRunDeviceDirectory(c *check.C) { |
| testRequires(c, NativeExecDriver) |
| cmd := exec.Command(dockerBinary, "run", "--device", "/dev/snd:/dev/snd", "busybox", "sh", "-c", "ls /dev/snd/") |
| |
| out, _, err := runCommandWithOutput(cmd) |
| if err != nil { |
| c.Fatal(err, out) |
| } |
| |
| if actual := strings.Trim(out, "\r\n"); !strings.Contains(out, "timer") { |
| c.Fatalf("expected output /dev/snd/timer, received %s", actual) |
| } |
| |
| cmd = exec.Command(dockerBinary, "run", "--device", "/dev/snd:/dev/othersnd", "busybox", "sh", "-c", "ls /dev/othersnd/") |
| |
| out, _, err = runCommandWithOutput(cmd) |
| if err != nil { |
| c.Fatal(err, out) |
| } |
| |
| if actual := strings.Trim(out, "\r\n"); !strings.Contains(out, "seq") { |
| c.Fatalf("expected output /dev/othersnd/seq, received %s", actual) |
| } |
| } |
| |
| // TestRunDetach checks attaching and detaching with the escape sequence. |
| func (s *DockerSuite) TestRunAttachDetach(c *check.C) { |
| name := "attach-detach" |
| cmd := exec.Command(dockerBinary, "run", "--name", name, "-it", "busybox", "cat") |
| stdout, err := cmd.StdoutPipe() |
| if err != nil { |
| c.Fatal(err) |
| } |
| cpty, tty, err := pty.Open() |
| if err != nil { |
| c.Fatal(err) |
| } |
| defer cpty.Close() |
| cmd.Stdin = tty |
| if err := cmd.Start(); err != nil { |
| c.Fatal(err) |
| } |
| if err := waitRun(name); err != nil { |
| c.Fatal(err) |
| } |
| |
| if _, err := cpty.Write([]byte("hello\n")); err != nil { |
| c.Fatal(err) |
| } |
| |
| out, err := bufio.NewReader(stdout).ReadString('\n') |
| if err != nil { |
| c.Fatal(err) |
| } |
| if strings.TrimSpace(out) != "hello" { |
| c.Fatalf("expected 'hello', got %q", out) |
| } |
| |
| // escape sequence |
| if _, err := cpty.Write([]byte{16}); err != nil { |
| c.Fatal(err) |
| } |
| time.Sleep(100 * time.Millisecond) |
| if _, err := cpty.Write([]byte{17}); err != nil { |
| c.Fatal(err) |
| } |
| |
| ch := make(chan struct{}) |
| go func() { |
| cmd.Wait() |
| ch <- struct{}{} |
| }() |
| |
| running, err := inspectField(name, "State.Running") |
| if err != nil { |
| c.Fatal(err) |
| } |
| if running != "true" { |
| c.Fatal("expected container to still be running") |
| } |
| |
| go func() { |
| exec.Command(dockerBinary, "kill", name).Run() |
| }() |
| |
| select { |
| case <-ch: |
| case <-time.After(10 * time.Millisecond): |
| c.Fatal("timed out waiting for container to exit") |
| } |
| } |