| // +build !windows |
| |
| package main |
| |
| import ( |
| "bufio" |
| "encoding/json" |
| "fmt" |
| "io/ioutil" |
| "os" |
| "os/exec" |
| "path/filepath" |
| "regexp" |
| "strconv" |
| "strings" |
| "sync" |
| "syscall" |
| "time" |
| |
| "github.com/docker/docker/pkg/homedir" |
| "github.com/docker/docker/pkg/integration/checker" |
| "github.com/docker/docker/pkg/mount" |
| "github.com/docker/docker/pkg/parsers" |
| "github.com/docker/docker/pkg/sysinfo" |
| "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() |
| c.Assert(err, checker.IsNil, check.Commentf("Could not open pty")) |
| cmd := exec.Command("sh", "-c", command) |
| cmd.Stdin = tty |
| cmd.Stdout = tty |
| cmd.Stderr = tty |
| c.Assert(cmd.Start(), checker.IsNil) |
| 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: |
| c.Assert(err, checker.IsNil, check.Commentf("wait 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) { |
| // /tmp gets permission denied |
| testRequires(c, NotUserNamespace, SameHostDaemon) |
| tmpDir, err := ioutil.TempDir("", "docker_recursive_mount_test") |
| c.Assert(err, checker.IsNil) |
| |
| defer os.RemoveAll(tmpDir) |
| |
| // Create a temporary tmpfs mount. |
| tmpfsDir := filepath.Join(tmpDir, "tmpfs") |
| c.Assert(os.MkdirAll(tmpfsDir, 0777), checker.IsNil, check.Commentf("failed to mkdir at %s", tmpfsDir)) |
| c.Assert(mount.Mount("tmpfs", tmpfsDir, "tmpfs", ""), checker.IsNil, check.Commentf("failed to create a tmpfs mount at %s", tmpfsDir)) |
| |
| f, err := ioutil.TempFile(tmpfsDir, "touch-me") |
| c.Assert(err, checker.IsNil) |
| defer f.Close() |
| |
| runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox:latest", "ls", "/tmp/tmpfs") |
| out, _, _, err := runCommandWithStdoutStderr(runCmd) |
| c.Assert(err, checker.IsNil) |
| c.Assert(out, checker.Contains, filepath.Base(f.Name()), check.Commentf("Recursive bind mount test failed. Expected file not found")) |
| } |
| |
| func (s *DockerSuite) TestRunDeviceDirectory(c *check.C) { |
| testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm) |
| if _, err := os.Stat("/dev/snd"); err != nil { |
| c.Skip("Host does not have /dev/snd") |
| } |
| |
| out, _ := dockerCmd(c, "run", "--device", "/dev/snd:/dev/snd", "busybox", "sh", "-c", "ls /dev/snd/") |
| c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "timer", check.Commentf("expected output /dev/snd/timer")) |
| |
| out, _ = dockerCmd(c, "run", "--device", "/dev/snd:/dev/othersnd", "busybox", "sh", "-c", "ls /dev/othersnd/") |
| c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "seq", check.Commentf("expected output /dev/othersnd/seq")) |
| } |
| |
| // TestRunDetach checks attaching and detaching with the default escape sequence. |
| func (s *DockerSuite) TestRunAttachDetach(c *check.C) { |
| name := "attach-detach" |
| |
| dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") |
| |
| cmd := exec.Command(dockerBinary, "attach", name) |
| stdout, err := cmd.StdoutPipe() |
| c.Assert(err, checker.IsNil) |
| cpty, tty, err := pty.Open() |
| c.Assert(err, checker.IsNil) |
| defer cpty.Close() |
| cmd.Stdin = tty |
| c.Assert(cmd.Start(), checker.IsNil) |
| c.Assert(waitRun(name), check.IsNil) |
| |
| _, err = cpty.Write([]byte("hello\n")) |
| c.Assert(err, checker.IsNil) |
| |
| out, err := bufio.NewReader(stdout).ReadString('\n') |
| c.Assert(err, checker.IsNil) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "hello") |
| |
| // escape sequence |
| _, err = cpty.Write([]byte{16}) |
| c.Assert(err, checker.IsNil) |
| time.Sleep(100 * time.Millisecond) |
| _, err = cpty.Write([]byte{17}) |
| c.Assert(err, checker.IsNil) |
| |
| ch := make(chan struct{}) |
| go func() { |
| cmd.Wait() |
| ch <- struct{}{} |
| }() |
| |
| select { |
| case <-ch: |
| case <-time.After(10 * time.Second): |
| c.Fatal("timed out waiting for container to exit") |
| } |
| |
| running := inspectField(c, name, "State.Running") |
| c.Assert(running, checker.Equals, "true", check.Commentf("expected container to still be running")) |
| |
| out, _ = dockerCmd(c, "events", "--since=0", "--until", daemonUnixTime(c), "-f", "container="+name) |
| // attach and detach event should be monitored |
| c.Assert(out, checker.Contains, "attach") |
| c.Assert(out, checker.Contains, "detach") |
| } |
| |
| // TestRunDetach checks attaching and detaching with the escape sequence specified via flags. |
| func (s *DockerSuite) TestRunAttachDetachFromFlag(c *check.C) { |
| name := "attach-detach" |
| keyCtrlA := []byte{1} |
| keyA := []byte{97} |
| |
| dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") |
| |
| cmd := exec.Command(dockerBinary, "attach", "--detach-keys=ctrl-a,a", name) |
| 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) |
| } |
| c.Assert(waitRun(name), check.IsNil) |
| |
| 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(keyCtrlA); err != nil { |
| c.Fatal(err) |
| } |
| time.Sleep(100 * time.Millisecond) |
| if _, err := cpty.Write(keyA); err != nil { |
| c.Fatal(err) |
| } |
| |
| ch := make(chan struct{}) |
| go func() { |
| cmd.Wait() |
| ch <- struct{}{} |
| }() |
| |
| select { |
| case <-ch: |
| case <-time.After(10 * time.Second): |
| c.Fatal("timed out waiting for container to exit") |
| } |
| |
| running := inspectField(c, name, "State.Running") |
| c.Assert(running, checker.Equals, "true", check.Commentf("expected container to still be running")) |
| } |
| |
| // TestRunDetach checks attaching and detaching with the escape sequence specified via flags. |
| func (s *DockerSuite) TestRunAttachDetachFromInvalidFlag(c *check.C) { |
| name := "attach-detach" |
| dockerCmd(c, "run", "--name", name, "-itd", "busybox", "top") |
| c.Assert(waitRun(name), check.IsNil) |
| |
| // specify an invalid detach key, container will ignore it and use default |
| cmd := exec.Command(dockerBinary, "attach", "--detach-keys=ctrl-A,a", name) |
| 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) |
| } |
| |
| bufReader := bufio.NewReader(stdout) |
| out, err := bufReader.ReadString('\n') |
| if err != nil { |
| c.Fatal(err) |
| } |
| // it should print a warning to indicate the detach key flag is invalid |
| errStr := "Invalid escape keys (ctrl-A,a) provided" |
| c.Assert(strings.TrimSpace(out), checker.Equals, errStr) |
| } |
| |
| // TestRunDetach checks attaching and detaching with the escape sequence specified via config file. |
| func (s *DockerSuite) TestRunAttachDetachFromConfig(c *check.C) { |
| keyCtrlA := []byte{1} |
| keyA := []byte{97} |
| |
| // Setup config |
| homeKey := homedir.Key() |
| homeVal := homedir.Get() |
| tmpDir, err := ioutil.TempDir("", "fake-home") |
| c.Assert(err, checker.IsNil) |
| defer os.RemoveAll(tmpDir) |
| |
| dotDocker := filepath.Join(tmpDir, ".docker") |
| os.Mkdir(dotDocker, 0600) |
| tmpCfg := filepath.Join(dotDocker, "config.json") |
| |
| defer func() { os.Setenv(homeKey, homeVal) }() |
| os.Setenv(homeKey, tmpDir) |
| |
| data := `{ |
| "detachKeys": "ctrl-a,a" |
| }` |
| |
| err = ioutil.WriteFile(tmpCfg, []byte(data), 0600) |
| c.Assert(err, checker.IsNil) |
| |
| // Then do the work |
| name := "attach-detach" |
| dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") |
| |
| cmd := exec.Command(dockerBinary, "attach", name) |
| 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) |
| } |
| c.Assert(waitRun(name), check.IsNil) |
| |
| 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(keyCtrlA); err != nil { |
| c.Fatal(err) |
| } |
| time.Sleep(100 * time.Millisecond) |
| if _, err := cpty.Write(keyA); err != nil { |
| c.Fatal(err) |
| } |
| |
| ch := make(chan struct{}) |
| go func() { |
| cmd.Wait() |
| ch <- struct{}{} |
| }() |
| |
| select { |
| case <-ch: |
| case <-time.After(10 * time.Second): |
| c.Fatal("timed out waiting for container to exit") |
| } |
| |
| running := inspectField(c, name, "State.Running") |
| c.Assert(running, checker.Equals, "true", check.Commentf("expected container to still be running")) |
| } |
| |
| // TestRunDetach checks attaching and detaching with the detach flags, making sure it overrides config file |
| func (s *DockerSuite) TestRunAttachDetachKeysOverrideConfig(c *check.C) { |
| keyCtrlA := []byte{1} |
| keyA := []byte{97} |
| |
| // Setup config |
| homeKey := homedir.Key() |
| homeVal := homedir.Get() |
| tmpDir, err := ioutil.TempDir("", "fake-home") |
| c.Assert(err, checker.IsNil) |
| defer os.RemoveAll(tmpDir) |
| |
| dotDocker := filepath.Join(tmpDir, ".docker") |
| os.Mkdir(dotDocker, 0600) |
| tmpCfg := filepath.Join(dotDocker, "config.json") |
| |
| defer func() { os.Setenv(homeKey, homeVal) }() |
| os.Setenv(homeKey, tmpDir) |
| |
| data := `{ |
| "detachKeys": "ctrl-e,e" |
| }` |
| |
| err = ioutil.WriteFile(tmpCfg, []byte(data), 0600) |
| c.Assert(err, checker.IsNil) |
| |
| // Then do the work |
| name := "attach-detach" |
| dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") |
| |
| cmd := exec.Command(dockerBinary, "attach", "--detach-keys=ctrl-a,a", name) |
| 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) |
| } |
| c.Assert(waitRun(name), check.IsNil) |
| |
| 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(keyCtrlA); err != nil { |
| c.Fatal(err) |
| } |
| time.Sleep(100 * time.Millisecond) |
| if _, err := cpty.Write(keyA); err != nil { |
| c.Fatal(err) |
| } |
| |
| ch := make(chan struct{}) |
| go func() { |
| cmd.Wait() |
| ch <- struct{}{} |
| }() |
| |
| select { |
| case <-ch: |
| case <-time.After(10 * time.Second): |
| c.Fatal("timed out waiting for container to exit") |
| } |
| |
| running := inspectField(c, name, "State.Running") |
| c.Assert(running, checker.Equals, "true", check.Commentf("expected container to still be running")) |
| } |
| |
| func (s *DockerSuite) TestRunAttachInvalidDetachKeySequencePreserved(c *check.C) { |
| name := "attach-detach" |
| keyA := []byte{97} |
| keyB := []byte{98} |
| |
| dockerCmd(c, "run", "--name", name, "-itd", "busybox", "cat") |
| |
| cmd := exec.Command(dockerBinary, "attach", "--detach-keys=a,b,c", name) |
| 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) |
| } |
| c.Assert(waitRun(name), check.IsNil) |
| |
| // Invalid escape sequence aba, should print aba in output |
| if _, err := cpty.Write(keyA); err != nil { |
| c.Fatal(err) |
| } |
| time.Sleep(100 * time.Millisecond) |
| if _, err := cpty.Write(keyB); err != nil { |
| c.Fatal(err) |
| } |
| time.Sleep(100 * time.Millisecond) |
| if _, err := cpty.Write(keyA); err != nil { |
| c.Fatal(err) |
| } |
| time.Sleep(100 * time.Millisecond) |
| if _, err := cpty.Write([]byte("\n")); err != nil { |
| c.Fatal(err) |
| } |
| |
| out, err := bufio.NewReader(stdout).ReadString('\n') |
| if err != nil { |
| c.Fatal(err) |
| } |
| if strings.TrimSpace(out) != "aba" { |
| c.Fatalf("expected 'aba', got %q", out) |
| } |
| } |
| |
| // "test" should be printed |
| func (s *DockerSuite) TestRunWithCPUQuota(c *check.C) { |
| testRequires(c, cpuCfsQuota) |
| |
| file := "/sys/fs/cgroup/cpu/cpu.cfs_quota_us" |
| out, _ := dockerCmd(c, "run", "--cpu-quota", "8000", "--name", "test", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "8000") |
| |
| out = inspectField(c, "test", "HostConfig.CpuQuota") |
| c.Assert(out, checker.Equals, "8000", check.Commentf("setting the CPU CFS quota failed")) |
| } |
| |
| func (s *DockerSuite) TestRunWithCpuPeriod(c *check.C) { |
| testRequires(c, cpuCfsPeriod) |
| |
| file := "/sys/fs/cgroup/cpu/cpu.cfs_period_us" |
| out, _ := dockerCmd(c, "run", "--cpu-period", "50000", "--name", "test", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "50000") |
| |
| out, _ = dockerCmd(c, "run", "--cpu-period", "0", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "100000") |
| |
| out = inspectField(c, "test", "HostConfig.CpuPeriod") |
| c.Assert(out, checker.Equals, "50000", check.Commentf("setting the CPU CFS period failed")) |
| } |
| |
| func (s *DockerSuite) TestRunWithInvalidCpuPeriod(c *check.C) { |
| testRequires(c, cpuCfsPeriod) |
| out, _, err := dockerCmdWithError("run", "--cpu-period", "900", "busybox", "true") |
| c.Assert(err, check.NotNil) |
| expected := "CPU cfs period can not be less than 1ms (i.e. 1000) or larger than 1s (i.e. 1000000)" |
| c.Assert(out, checker.Contains, expected) |
| |
| out, _, err = dockerCmdWithError("run", "--cpu-period", "2000000", "busybox", "true") |
| c.Assert(err, check.NotNil) |
| c.Assert(out, checker.Contains, expected) |
| |
| out, _, err = dockerCmdWithError("run", "--cpu-period", "-3", "busybox", "true") |
| c.Assert(err, check.NotNil) |
| c.Assert(out, checker.Contains, expected) |
| } |
| |
| func (s *DockerSuite) TestRunWithKernelMemory(c *check.C) { |
| testRequires(c, kernelMemorySupport) |
| |
| file := "/sys/fs/cgroup/memory/memory.kmem.limit_in_bytes" |
| stdout, _, _ := dockerCmdWithStdoutStderr(c, "run", "--kernel-memory", "50M", "--name", "test1", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(stdout), checker.Equals, "52428800") |
| |
| out := inspectField(c, "test1", "HostConfig.KernelMemory") |
| c.Assert(out, check.Equals, "52428800") |
| } |
| |
| func (s *DockerSuite) TestRunWithInvalidKernelMemory(c *check.C) { |
| testRequires(c, kernelMemorySupport) |
| |
| out, _, err := dockerCmdWithError("run", "--kernel-memory", "2M", "busybox", "true") |
| c.Assert(err, check.NotNil) |
| expected := "Minimum kernel memory limit allowed is 4MB" |
| c.Assert(out, checker.Contains, expected) |
| |
| out, _, err = dockerCmdWithError("run", "--kernel-memory", "-16m", "--name", "test2", "busybox", "echo", "test") |
| c.Assert(err, check.NotNil) |
| expected = "invalid size" |
| c.Assert(out, checker.Contains, expected) |
| } |
| |
| func (s *DockerSuite) TestRunWithCPUShares(c *check.C) { |
| testRequires(c, cpuShare) |
| |
| file := "/sys/fs/cgroup/cpu/cpu.shares" |
| out, _ := dockerCmd(c, "run", "--cpu-shares", "1000", "--name", "test", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "1000") |
| |
| out = inspectField(c, "test", "HostConfig.CPUShares") |
| c.Assert(out, check.Equals, "1000") |
| } |
| |
| // "test" should be printed |
| func (s *DockerSuite) TestRunEchoStdoutWithCPUSharesAndMemoryLimit(c *check.C) { |
| testRequires(c, cpuShare) |
| testRequires(c, memoryLimitSupport) |
| out, _, _ := dockerCmdWithStdoutStderr(c, "run", "--cpu-shares", "1000", "-m", "32m", "busybox", "echo", "test") |
| c.Assert(out, checker.Equals, "test\n", check.Commentf("container should've printed 'test'")) |
| } |
| |
| func (s *DockerSuite) TestRunWithCpusetCpus(c *check.C) { |
| testRequires(c, cgroupCpuset) |
| |
| file := "/sys/fs/cgroup/cpuset/cpuset.cpus" |
| out, _ := dockerCmd(c, "run", "--cpuset-cpus", "0", "--name", "test", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "0") |
| |
| out = inspectField(c, "test", "HostConfig.CpusetCpus") |
| c.Assert(out, check.Equals, "0") |
| } |
| |
| func (s *DockerSuite) TestRunWithCpusetMems(c *check.C) { |
| testRequires(c, cgroupCpuset) |
| |
| file := "/sys/fs/cgroup/cpuset/cpuset.mems" |
| out, _ := dockerCmd(c, "run", "--cpuset-mems", "0", "--name", "test", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "0") |
| |
| out = inspectField(c, "test", "HostConfig.CpusetMems") |
| c.Assert(out, check.Equals, "0") |
| } |
| |
| func (s *DockerSuite) TestRunWithBlkioWeight(c *check.C) { |
| testRequires(c, blkioWeight) |
| |
| file := "/sys/fs/cgroup/blkio/blkio.weight" |
| out, _ := dockerCmd(c, "run", "--blkio-weight", "300", "--name", "test", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "300") |
| |
| out = inspectField(c, "test", "HostConfig.BlkioWeight") |
| c.Assert(out, check.Equals, "300") |
| } |
| |
| func (s *DockerSuite) TestRunWithInvalidBlkioWeight(c *check.C) { |
| testRequires(c, blkioWeight) |
| out, _, err := dockerCmdWithError("run", "--blkio-weight", "5", "busybox", "true") |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| expected := "Range of blkio weight is from 10 to 1000" |
| c.Assert(out, checker.Contains, expected) |
| } |
| |
| func (s *DockerSuite) TestRunWithInvalidPathforBlkioWeightDevice(c *check.C) { |
| testRequires(c, blkioWeight) |
| out, _, err := dockerCmdWithError("run", "--blkio-weight-device", "/dev/sdX:100", "busybox", "true") |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| } |
| |
| func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceReadBps(c *check.C) { |
| testRequires(c, blkioWeight) |
| out, _, err := dockerCmdWithError("run", "--device-read-bps", "/dev/sdX:500", "busybox", "true") |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| } |
| |
| func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceWriteBps(c *check.C) { |
| testRequires(c, blkioWeight) |
| out, _, err := dockerCmdWithError("run", "--device-write-bps", "/dev/sdX:500", "busybox", "true") |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| } |
| |
| func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceReadIOps(c *check.C) { |
| testRequires(c, blkioWeight) |
| out, _, err := dockerCmdWithError("run", "--device-read-iops", "/dev/sdX:500", "busybox", "true") |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| } |
| |
| func (s *DockerSuite) TestRunWithInvalidPathforBlkioDeviceWriteIOps(c *check.C) { |
| testRequires(c, blkioWeight) |
| out, _, err := dockerCmdWithError("run", "--device-write-iops", "/dev/sdX:500", "busybox", "true") |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| } |
| |
| func (s *DockerSuite) TestRunOOMExitCode(c *check.C) { |
| testRequires(c, memoryLimitSupport, swapMemorySupport) |
| errChan := make(chan error) |
| go func() { |
| defer close(errChan) |
| //changing memory to 40MB from 4MB due to an issue with GCCGO that test fails to start the container. |
| out, exitCode, _ := dockerCmdWithError("run", "-m", "40MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x$x$x; done") |
| if expected := 137; exitCode != expected { |
| errChan <- fmt.Errorf("wrong exit code for OOM container: expected %d, got %d (output: %q)", expected, exitCode, out) |
| } |
| }() |
| |
| select { |
| case err := <-errChan: |
| c.Assert(err, check.IsNil) |
| case <-time.After(600 * time.Second): |
| c.Fatal("Timeout waiting for container to die on OOM") |
| } |
| } |
| |
| func (s *DockerSuite) TestRunWithMemoryLimit(c *check.C) { |
| testRequires(c, memoryLimitSupport) |
| |
| file := "/sys/fs/cgroup/memory/memory.limit_in_bytes" |
| stdout, _, _ := dockerCmdWithStdoutStderr(c, "run", "-m", "32M", "--name", "test", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(stdout), checker.Equals, "33554432") |
| |
| out := inspectField(c, "test", "HostConfig.Memory") |
| c.Assert(out, check.Equals, "33554432") |
| } |
| |
| // TestRunWithoutMemoryswapLimit sets memory limit and disables swap |
| // memory limit, this means the processes in the container can use |
| // 16M memory and as much swap memory as they need (if the host |
| // supports swap memory). |
| func (s *DockerSuite) TestRunWithoutMemoryswapLimit(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| testRequires(c, memoryLimitSupport) |
| testRequires(c, swapMemorySupport) |
| dockerCmd(c, "run", "-m", "32m", "--memory-swap", "-1", "busybox", "true") |
| } |
| |
| func (s *DockerSuite) TestRunWithSwappiness(c *check.C) { |
| testRequires(c, memorySwappinessSupport) |
| file := "/sys/fs/cgroup/memory/memory.swappiness" |
| out, _ := dockerCmd(c, "run", "--memory-swappiness", "0", "--name", "test", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "0") |
| |
| out = inspectField(c, "test", "HostConfig.MemorySwappiness") |
| c.Assert(out, check.Equals, "0") |
| } |
| |
| func (s *DockerSuite) TestRunWithSwappinessInvalid(c *check.C) { |
| testRequires(c, memorySwappinessSupport) |
| out, _, err := dockerCmdWithError("run", "--memory-swappiness", "101", "busybox", "true") |
| c.Assert(err, check.NotNil) |
| expected := "Valid memory swappiness range is 0-100" |
| c.Assert(out, checker.Contains, expected, check.Commentf("Expected output to contain %q, not %q", out, expected)) |
| |
| out, _, err = dockerCmdWithError("run", "--memory-swappiness", "-10", "busybox", "true") |
| c.Assert(err, check.NotNil) |
| c.Assert(out, checker.Contains, expected, check.Commentf("Expected output to contain %q, not %q", out, expected)) |
| } |
| |
| func (s *DockerSuite) TestRunWithMemoryReservation(c *check.C) { |
| testRequires(c, memoryReservationSupport) |
| |
| file := "/sys/fs/cgroup/memory/memory.soft_limit_in_bytes" |
| out, _ := dockerCmd(c, "run", "--memory-reservation", "200M", "--name", "test", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "209715200") |
| |
| out = inspectField(c, "test", "HostConfig.MemoryReservation") |
| c.Assert(out, check.Equals, "209715200") |
| } |
| |
| func (s *DockerSuite) TestRunWithMemoryReservationInvalid(c *check.C) { |
| testRequires(c, memoryLimitSupport) |
| testRequires(c, memoryReservationSupport) |
| out, _, err := dockerCmdWithError("run", "-m", "500M", "--memory-reservation", "800M", "busybox", "true") |
| c.Assert(err, check.NotNil) |
| expected := "Minimum memory limit should be larger than memory reservation limit" |
| c.Assert(strings.TrimSpace(out), checker.Contains, expected, check.Commentf("run container should fail with invalid memory reservation")) |
| |
| out, _, err = dockerCmdWithError("run", "--memory-reservation", "1k", "busybox", "true") |
| c.Assert(err, check.NotNil) |
| expected = "Minimum memory reservation allowed is 4MB" |
| c.Assert(strings.TrimSpace(out), checker.Contains, expected, check.Commentf("run container should fail with invalid memory reservation")) |
| } |
| |
| func (s *DockerSuite) TestStopContainerSignal(c *check.C) { |
| out, _ := dockerCmd(c, "run", "--stop-signal", "SIGUSR1", "-d", "busybox", "/bin/sh", "-c", `trap 'echo "exit trapped"; exit 0' USR1; while true; do sleep 1; done`) |
| containerID := strings.TrimSpace(out) |
| |
| c.Assert(waitRun(containerID), checker.IsNil) |
| |
| dockerCmd(c, "stop", containerID) |
| out, _ = dockerCmd(c, "logs", containerID) |
| |
| c.Assert(out, checker.Contains, "exit trapped", check.Commentf("Expected `exit trapped` in the log")) |
| } |
| |
| func (s *DockerSuite) TestRunSwapLessThanMemoryLimit(c *check.C) { |
| testRequires(c, memoryLimitSupport) |
| testRequires(c, swapMemorySupport) |
| out, _, err := dockerCmdWithError("run", "-m", "16m", "--memory-swap", "15m", "busybox", "echo", "test") |
| expected := "Minimum memoryswap limit should be larger than memory limit" |
| c.Assert(err, check.NotNil) |
| |
| c.Assert(out, checker.Contains, expected) |
| } |
| |
| func (s *DockerSuite) TestRunInvalidCpusetCpusFlagValue(c *check.C) { |
| testRequires(c, cgroupCpuset, SameHostDaemon) |
| |
| sysInfo := sysinfo.New(true) |
| cpus, err := parsers.ParseUintList(sysInfo.Cpus) |
| c.Assert(err, check.IsNil) |
| var invalid int |
| for i := 0; i <= len(cpus)+1; i++ { |
| if !cpus[i] { |
| invalid = i |
| break |
| } |
| } |
| out, _, err := dockerCmdWithError("run", "--cpuset-cpus", strconv.Itoa(invalid), "busybox", "true") |
| c.Assert(err, check.NotNil) |
| expected := fmt.Sprintf("Error response from daemon: Requested CPUs are not available - requested %s, available: %s", strconv.Itoa(invalid), sysInfo.Cpus) |
| c.Assert(out, checker.Contains, expected) |
| } |
| |
| func (s *DockerSuite) TestRunInvalidCpusetMemsFlagValue(c *check.C) { |
| testRequires(c, cgroupCpuset) |
| |
| sysInfo := sysinfo.New(true) |
| mems, err := parsers.ParseUintList(sysInfo.Mems) |
| c.Assert(err, check.IsNil) |
| var invalid int |
| for i := 0; i <= len(mems)+1; i++ { |
| if !mems[i] { |
| invalid = i |
| break |
| } |
| } |
| out, _, err := dockerCmdWithError("run", "--cpuset-mems", strconv.Itoa(invalid), "busybox", "true") |
| c.Assert(err, check.NotNil) |
| expected := fmt.Sprintf("Error response from daemon: Requested memory nodes are not available - requested %s, available: %s", strconv.Itoa(invalid), sysInfo.Mems) |
| c.Assert(out, checker.Contains, expected) |
| } |
| |
| func (s *DockerSuite) TestRunInvalidCPUShares(c *check.C) { |
| testRequires(c, cpuShare, DaemonIsLinux) |
| out, _, err := dockerCmdWithError("run", "--cpu-shares", "1", "busybox", "echo", "test") |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| expected := "The minimum allowed cpu-shares is 2" |
| c.Assert(out, checker.Contains, expected) |
| |
| out, _, err = dockerCmdWithError("run", "--cpu-shares", "-1", "busybox", "echo", "test") |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| expected = "shares: invalid argument" |
| c.Assert(out, checker.Contains, expected) |
| |
| out, _, err = dockerCmdWithError("run", "--cpu-shares", "99999999", "busybox", "echo", "test") |
| c.Assert(err, check.NotNil, check.Commentf(out)) |
| expected = "The maximum allowed cpu-shares is" |
| c.Assert(out, checker.Contains, expected) |
| } |
| |
| func (s *DockerSuite) TestRunWithDefaultShmSize(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| |
| name := "shm-default" |
| out, _ := dockerCmd(c, "run", "--name", name, "busybox", "mount") |
| shmRegex := regexp.MustCompile(`shm on /dev/shm type tmpfs(.*)size=65536k`) |
| if !shmRegex.MatchString(out) { |
| c.Fatalf("Expected shm of 64MB in mount command, got %v", out) |
| } |
| shmSize := inspectField(c, name, "HostConfig.ShmSize") |
| c.Assert(shmSize, check.Equals, "67108864") |
| } |
| |
| func (s *DockerSuite) TestRunWithShmSize(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| |
| name := "shm" |
| out, _ := dockerCmd(c, "run", "--name", name, "--shm-size=1G", "busybox", "mount") |
| shmRegex := regexp.MustCompile(`shm on /dev/shm type tmpfs(.*)size=1048576k`) |
| if !shmRegex.MatchString(out) { |
| c.Fatalf("Expected shm of 1GB in mount command, got %v", out) |
| } |
| shmSize := inspectField(c, name, "HostConfig.ShmSize") |
| c.Assert(shmSize, check.Equals, "1073741824") |
| } |
| |
| func (s *DockerSuite) TestRunTmpfsMountsEnsureOrdered(c *check.C) { |
| tmpFile, err := ioutil.TempFile("", "test") |
| c.Assert(err, check.IsNil) |
| defer tmpFile.Close() |
| out, _ := dockerCmd(c, "run", "--tmpfs", "/run", "-v", tmpFile.Name()+":/run/test", "busybox", "ls", "/run") |
| c.Assert(out, checker.Contains, "test") |
| } |
| |
| func (s *DockerSuite) TestRunTmpfsMounts(c *check.C) { |
| // TODO Windows (Post TP5): This test cannot run on a Windows daemon as |
| // Windows does not support tmpfs mounts. |
| testRequires(c, DaemonIsLinux) |
| if out, _, err := dockerCmdWithError("run", "--tmpfs", "/run", "busybox", "touch", "/run/somefile"); err != nil { |
| c.Fatalf("/run directory not mounted on tmpfs %q %s", err, out) |
| } |
| if out, _, err := dockerCmdWithError("run", "--tmpfs", "/run:noexec", "busybox", "touch", "/run/somefile"); err != nil { |
| c.Fatalf("/run directory not mounted on tmpfs %q %s", err, out) |
| } |
| if out, _, err := dockerCmdWithError("run", "--tmpfs", "/run:noexec,nosuid,rw,size=5k,mode=700", "busybox", "touch", "/run/somefile"); err != nil { |
| c.Fatalf("/run failed to mount on tmpfs with valid options %q %s", err, out) |
| } |
| if _, _, err := dockerCmdWithError("run", "--tmpfs", "/run:foobar", "busybox", "touch", "/run/somefile"); err == nil { |
| c.Fatalf("/run mounted on tmpfs when it should have vailed within invalid mount option") |
| } |
| if _, _, err := dockerCmdWithError("run", "--tmpfs", "/run", "-v", "/run:/run", "busybox", "touch", "/run/somefile"); err == nil { |
| c.Fatalf("Should have generated an error saying Duplicate mount points") |
| } |
| } |
| |
| func (s *DockerSuite) TestRunTmpfsMountsOverrideImageVolumes(c *check.C) { |
| name := "img-with-volumes" |
| _, err := buildImage( |
| name, |
| ` |
| FROM busybox |
| VOLUME /run |
| RUN touch /run/stuff |
| `, |
| true) |
| if err != nil { |
| c.Fatal(err) |
| } |
| out, _ := dockerCmd(c, "run", "--tmpfs", "/run", name, "ls", "/run") |
| c.Assert(out, checker.Not(checker.Contains), "stuff") |
| } |
| |
| // Test case for #22420 |
| func (s *DockerSuite) TestRunTmpfsMountsWithOptions(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| |
| expectedOptions := []string{"rw", "nosuid", "nodev", "noexec", "relatime"} |
| out, _ := dockerCmd(c, "run", "--tmpfs", "/tmp", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") |
| for _, option := range expectedOptions { |
| c.Assert(out, checker.Contains, option) |
| } |
| c.Assert(out, checker.Not(checker.Contains), "size=") |
| |
| expectedOptions = []string{"rw", "nosuid", "nodev", "noexec", "relatime"} |
| out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:rw", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") |
| for _, option := range expectedOptions { |
| c.Assert(out, checker.Contains, option) |
| } |
| c.Assert(out, checker.Not(checker.Contains), "size=") |
| |
| expectedOptions = []string{"rw", "nosuid", "nodev", "relatime", "size=8192k"} |
| out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:rw,exec,size=8192k", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") |
| for _, option := range expectedOptions { |
| c.Assert(out, checker.Contains, option) |
| } |
| |
| expectedOptions = []string{"rw", "nosuid", "nodev", "noexec", "relatime", "size=4096k"} |
| out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:rw,size=8192k,exec,size=4096k,noexec", "busybox", "sh", "-c", "mount | grep 'tmpfs on /tmp'") |
| for _, option := range expectedOptions { |
| c.Assert(out, checker.Contains, option) |
| } |
| |
| // We use debian:jessie as there is no findmnt in busybox. Also the output will be in the format of |
| // TARGET PROPAGATION |
| // /tmp shared |
| // so we only capture `shared` here. |
| expectedOptions = []string{"shared"} |
| out, _ = dockerCmd(c, "run", "--tmpfs", "/tmp:shared", "debian:jessie", "findmnt", "-o", "TARGET,PROPAGATION", "/tmp") |
| for _, option := range expectedOptions { |
| c.Assert(out, checker.Contains, option) |
| } |
| } |
| |
| func (s *DockerSuite) TestRunSysctls(c *check.C) { |
| |
| testRequires(c, DaemonIsLinux) |
| var err error |
| |
| out, _ := dockerCmd(c, "run", "--sysctl", "net.ipv4.ip_forward=1", "--name", "test", "busybox", "cat", "/proc/sys/net/ipv4/ip_forward") |
| c.Assert(strings.TrimSpace(out), check.Equals, "1") |
| |
| out = inspectFieldJSON(c, "test", "HostConfig.Sysctls") |
| |
| sysctls := make(map[string]string) |
| err = json.Unmarshal([]byte(out), &sysctls) |
| c.Assert(err, check.IsNil) |
| c.Assert(sysctls["net.ipv4.ip_forward"], check.Equals, "1") |
| |
| out, _ = dockerCmd(c, "run", "--sysctl", "net.ipv4.ip_forward=0", "--name", "test1", "busybox", "cat", "/proc/sys/net/ipv4/ip_forward") |
| c.Assert(strings.TrimSpace(out), check.Equals, "0") |
| |
| out = inspectFieldJSON(c, "test1", "HostConfig.Sysctls") |
| |
| err = json.Unmarshal([]byte(out), &sysctls) |
| c.Assert(err, check.IsNil) |
| c.Assert(sysctls["net.ipv4.ip_forward"], check.Equals, "0") |
| |
| runCmd := exec.Command(dockerBinary, "run", "--sysctl", "kernel.foobar=1", "--name", "test2", "busybox", "cat", "/proc/sys/kernel/foobar") |
| out, _, _ = runCommandWithOutput(runCmd) |
| if !strings.Contains(out, "invalid argument") { |
| c.Fatalf("expected --sysctl to fail, got %s", out) |
| } |
| } |
| |
| // TestRunSeccompProfileDenyUnshare checks that 'docker run --security-opt seccomp=/tmp/profile.json debian:jessie unshare' exits with operation not permitted. |
| func (s *DockerSuite) TestRunSeccompProfileDenyUnshare(c *check.C) { |
| testRequires(c, SameHostDaemon, seccompEnabled, NotArm, Apparmor) |
| jsonData := `{ |
| "defaultAction": "SCMP_ACT_ALLOW", |
| "syscalls": [ |
| { |
| "name": "unshare", |
| "action": "SCMP_ACT_ERRNO" |
| } |
| ] |
| }` |
| tmpFile, err := ioutil.TempFile("", "profile.json") |
| defer tmpFile.Close() |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| if _, err := tmpFile.Write([]byte(jsonData)); err != nil { |
| c.Fatal(err) |
| } |
| runCmd := exec.Command(dockerBinary, "run", "--security-opt", "apparmor=unconfined", "--security-opt", "seccomp="+tmpFile.Name(), "debian:jessie", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc") |
| out, _, _ := runCommandWithOutput(runCmd) |
| if !strings.Contains(out, "Operation not permitted") { |
| c.Fatalf("expected unshare with seccomp profile denied to fail, got %s", out) |
| } |
| } |
| |
| // TestRunSeccompProfileDenyChmod checks that 'docker run --security-opt seccomp=/tmp/profile.json busybox chmod 400 /etc/hostname' exits with operation not permitted. |
| func (s *DockerSuite) TestRunSeccompProfileDenyChmod(c *check.C) { |
| testRequires(c, SameHostDaemon, seccompEnabled) |
| jsonData := `{ |
| "defaultAction": "SCMP_ACT_ALLOW", |
| "syscalls": [ |
| { |
| "name": "chmod", |
| "action": "SCMP_ACT_ERRNO" |
| } |
| ] |
| }` |
| tmpFile, err := ioutil.TempFile("", "profile.json") |
| c.Assert(err, check.IsNil) |
| defer tmpFile.Close() |
| |
| if _, err := tmpFile.Write([]byte(jsonData)); err != nil { |
| c.Fatal(err) |
| } |
| runCmd := exec.Command(dockerBinary, "run", "--security-opt", "seccomp="+tmpFile.Name(), "busybox", "chmod", "400", "/etc/hostname") |
| out, _, _ := runCommandWithOutput(runCmd) |
| if !strings.Contains(out, "Operation not permitted") { |
| c.Fatalf("expected chmod with seccomp profile denied to fail, got %s", out) |
| } |
| } |
| |
| // TestRunSeccompProfileDenyUnshareUserns checks that 'docker run debian:jessie unshare --map-root-user --user sh -c whoami' with a specific profile to |
| // deny unhare of a userns exits with operation not permitted. |
| func (s *DockerSuite) TestRunSeccompProfileDenyUnshareUserns(c *check.C) { |
| testRequires(c, SameHostDaemon, seccompEnabled, NotArm, Apparmor) |
| // from sched.h |
| jsonData := fmt.Sprintf(`{ |
| "defaultAction": "SCMP_ACT_ALLOW", |
| "syscalls": [ |
| { |
| "name": "unshare", |
| "action": "SCMP_ACT_ERRNO", |
| "args": [ |
| { |
| "index": 0, |
| "value": %d, |
| "op": "SCMP_CMP_EQ" |
| } |
| ] |
| } |
| ] |
| }`, uint64(0x10000000)) |
| tmpFile, err := ioutil.TempFile("", "profile.json") |
| defer tmpFile.Close() |
| if err != nil { |
| c.Fatal(err) |
| } |
| |
| if _, err := tmpFile.Write([]byte(jsonData)); err != nil { |
| c.Fatal(err) |
| } |
| runCmd := exec.Command(dockerBinary, "run", "--security-opt", "apparmor=unconfined", "--security-opt", "seccomp="+tmpFile.Name(), "debian:jessie", "unshare", "--map-root-user", "--user", "sh", "-c", "whoami") |
| out, _, _ := runCommandWithOutput(runCmd) |
| if !strings.Contains(out, "Operation not permitted") { |
| c.Fatalf("expected unshare userns with seccomp profile denied to fail, got %s", out) |
| } |
| } |
| |
| // TestRunSeccompProfileDenyCloneUserns checks that 'docker run syscall-test' |
| // with a the default seccomp profile exits with operation not permitted. |
| func (s *DockerSuite) TestRunSeccompProfileDenyCloneUserns(c *check.C) { |
| testRequires(c, SameHostDaemon, seccompEnabled) |
| |
| runCmd := exec.Command(dockerBinary, "run", "syscall-test", "userns-test", "id") |
| out, _, err := runCommandWithOutput(runCmd) |
| if err == nil || !strings.Contains(out, "clone failed: Operation not permitted") { |
| c.Fatalf("expected clone userns with default seccomp profile denied to fail, got %s: %v", out, err) |
| } |
| } |
| |
| // TestRunSeccompUnconfinedCloneUserns checks that |
| // 'docker run --security-opt seccomp=unconfined syscall-test' allows creating a userns. |
| func (s *DockerSuite) TestRunSeccompUnconfinedCloneUserns(c *check.C) { |
| testRequires(c, SameHostDaemon, seccompEnabled, UserNamespaceInKernel, NotUserNamespace) |
| |
| // make sure running w privileged is ok |
| runCmd := exec.Command(dockerBinary, "run", "--security-opt", "seccomp=unconfined", "syscall-test", "userns-test", "id") |
| if out, _, err := runCommandWithOutput(runCmd); err != nil || !strings.Contains(out, "nobody") { |
| c.Fatalf("expected clone userns with --security-opt seccomp=unconfined to succeed, got %s: %v", out, err) |
| } |
| } |
| |
| // TestRunSeccompAllowPrivCloneUserns checks that 'docker run --privileged syscall-test' |
| // allows creating a userns. |
| func (s *DockerSuite) TestRunSeccompAllowPrivCloneUserns(c *check.C) { |
| testRequires(c, SameHostDaemon, seccompEnabled, UserNamespaceInKernel, NotUserNamespace) |
| |
| // make sure running w privileged is ok |
| runCmd := exec.Command(dockerBinary, "run", "--privileged", "syscall-test", "userns-test", "id") |
| if out, _, err := runCommandWithOutput(runCmd); err != nil || !strings.Contains(out, "nobody") { |
| c.Fatalf("expected clone userns with --privileged to succeed, got %s: %v", out, err) |
| } |
| } |
| |
| // TestRunSeccompAllowSetrlimit checks that 'docker run debian:jessie ulimit -v 1048510' succeeds. |
| func (s *DockerSuite) TestRunSeccompAllowSetrlimit(c *check.C) { |
| testRequires(c, SameHostDaemon, seccompEnabled) |
| |
| // ulimit uses setrlimit, so we want to make sure we don't break it |
| runCmd := exec.Command(dockerBinary, "run", "debian:jessie", "bash", "-c", "ulimit -v 1048510") |
| if out, _, err := runCommandWithOutput(runCmd); err != nil { |
| c.Fatalf("expected ulimit with seccomp to succeed, got %s: %v", out, err) |
| } |
| } |
| |
| func (s *DockerSuite) TestRunSeccompDefaultProfileAcct(c *check.C) { |
| testRequires(c, SameHostDaemon, seccompEnabled, NotUserNamespace) |
| |
| var group sync.WaitGroup |
| group.Add(5) |
| errChan := make(chan error, 5) |
| go func() { |
| out, _, err := dockerCmdWithError("run", "syscall-test", "acct-test") |
| if err == nil || !strings.Contains(out, "Operation not permitted") { |
| errChan <- fmt.Errorf("goroutine 0: expected Operation not permitted, got: %s", out) |
| } |
| group.Done() |
| }() |
| |
| go func() { |
| out, _, err := dockerCmdWithError("run", "--cap-add", "sys_admin", "syscall-test", "acct-test") |
| if err == nil || !strings.Contains(out, "Operation not permitted") { |
| errChan <- fmt.Errorf("goroutine 1: expected Operation not permitted, got: %s", out) |
| } |
| group.Done() |
| }() |
| |
| go func() { |
| out, _, err := dockerCmdWithError("run", "--cap-add", "sys_pacct", "syscall-test", "acct-test") |
| if err == nil || !strings.Contains(out, "No such file or directory") { |
| errChan <- fmt.Errorf("goroutine 2: expected No such file or directory, got: %s", out) |
| } |
| group.Done() |
| }() |
| |
| go func() { |
| out, _, err := dockerCmdWithError("run", "--cap-add", "ALL", "syscall-test", "acct-test") |
| if err == nil || !strings.Contains(out, "No such file or directory") { |
| errChan <- fmt.Errorf("goroutine 3: expected No such file or directory, got: %s", out) |
| } |
| group.Done() |
| }() |
| |
| go func() { |
| out, _, err := dockerCmdWithError("run", "--cap-drop", "ALL", "--cap-add", "sys_pacct", "syscall-test", "acct-test") |
| if err == nil || !strings.Contains(out, "No such file or directory") { |
| errChan <- fmt.Errorf("goroutine 4: expected No such file or directory, got: %s", out) |
| } |
| group.Done() |
| }() |
| |
| group.Wait() |
| close(errChan) |
| |
| for err := range errChan { |
| c.Assert(err, checker.IsNil) |
| } |
| } |
| |
| func (s *DockerSuite) TestRunSeccompDefaultProfileNS(c *check.C) { |
| testRequires(c, SameHostDaemon, seccompEnabled, NotUserNamespace) |
| |
| var group sync.WaitGroup |
| group.Add(6) |
| errChan := make(chan error, 6) |
| |
| go func() { |
| out, _, err := dockerCmdWithError("run", "syscall-test", "ns-test", "echo", "hello0") |
| if err == nil || !strings.Contains(out, "Operation not permitted") { |
| errChan <- fmt.Errorf("goroutine 0: expected Operation not permitted, got: %s", out) |
| } |
| group.Done() |
| }() |
| |
| go func() { |
| out, _, err := dockerCmdWithError("run", "--cap-add", "sys_admin", "syscall-test", "ns-test", "echo", "hello1") |
| if err != nil || !strings.Contains(out, "hello1") { |
| errChan <- fmt.Errorf("goroutine 1: expected hello1, got: %s, %v", out, err) |
| } |
| group.Done() |
| }() |
| |
| go func() { |
| out, _, err := dockerCmdWithError("run", "--cap-drop", "all", "--cap-add", "sys_admin", "syscall-test", "ns-test", "echo", "hello2") |
| if err != nil || !strings.Contains(out, "hello2") { |
| errChan <- fmt.Errorf("goroutine 2: expected hello2, got: %s, %v", out, err) |
| } |
| group.Done() |
| }() |
| |
| go func() { |
| out, _, err := dockerCmdWithError("run", "--cap-add", "ALL", "syscall-test", "ns-test", "echo", "hello3") |
| if err != nil || !strings.Contains(out, "hello3") { |
| errChan <- fmt.Errorf("goroutine 3: expected hello3, got: %s, %v", out, err) |
| } |
| group.Done() |
| }() |
| |
| go func() { |
| out, _, err := dockerCmdWithError("run", "--cap-add", "ALL", "--security-opt", "seccomp=unconfined", "syscall-test", "acct-test") |
| if err == nil || !strings.Contains(out, "No such file or directory") { |
| errChan <- fmt.Errorf("goroutine 4: expected No such file or directory, got: %s", out) |
| } |
| group.Done() |
| }() |
| |
| go func() { |
| out, _, err := dockerCmdWithError("run", "--cap-add", "ALL", "--security-opt", "seccomp=unconfined", "syscall-test", "ns-test", "echo", "hello4") |
| if err != nil || !strings.Contains(out, "hello4") { |
| errChan <- fmt.Errorf("goroutine 5: expected hello4, got: %s, %v", out, err) |
| } |
| group.Done() |
| }() |
| |
| group.Wait() |
| close(errChan) |
| |
| for err := range errChan { |
| c.Assert(err, checker.IsNil) |
| } |
| } |
| |
| // TestRunNoNewPrivSetuid checks that --security-opt=no-new-privileges prevents |
| // effective uid transtions on executing setuid binaries. |
| func (s *DockerSuite) TestRunNoNewPrivSetuid(c *check.C) { |
| testRequires(c, DaemonIsLinux, NotUserNamespace, SameHostDaemon) |
| |
| // test that running a setuid binary results in no effective uid transition |
| runCmd := exec.Command(dockerBinary, "run", "--security-opt", "no-new-privileges", "--user", "1000", "nnp-test", "/usr/bin/nnp-test") |
| if out, _, err := runCommandWithOutput(runCmd); err != nil || !strings.Contains(out, "EUID=1000") { |
| c.Fatalf("expected output to contain EUID=1000, got %s: %v", out, err) |
| } |
| } |
| |
| func (s *DockerSuite) TestRunApparmorProcDirectory(c *check.C) { |
| testRequires(c, SameHostDaemon, Apparmor) |
| |
| // running w seccomp unconfined tests the apparmor profile |
| runCmd := exec.Command(dockerBinary, "run", "--security-opt", "seccomp=unconfined", "busybox", "chmod", "777", "/proc/1/cgroup") |
| if out, _, err := runCommandWithOutput(runCmd); err == nil || !(strings.Contains(out, "Permission denied") || strings.Contains(out, "Operation not permitted")) { |
| c.Fatalf("expected chmod 777 /proc/1/cgroup to fail, got %s: %v", out, err) |
| } |
| |
| runCmd = exec.Command(dockerBinary, "run", "--security-opt", "seccomp=unconfined", "busybox", "chmod", "777", "/proc/1/attr/current") |
| if out, _, err := runCommandWithOutput(runCmd); err == nil || !(strings.Contains(out, "Permission denied") || strings.Contains(out, "Operation not permitted")) { |
| c.Fatalf("expected chmod 777 /proc/1/attr/current to fail, got %s: %v", out, err) |
| } |
| } |
| |
| // make sure the default profile can be successfully parsed (using unshare as it is |
| // something which we know is blocked in the default profile) |
| func (s *DockerSuite) TestRunSeccompWithDefaultProfile(c *check.C) { |
| testRequires(c, SameHostDaemon, seccompEnabled, NotArm, NotPpc64le, NotS390X) |
| |
| out, _, err := dockerCmdWithError("run", "--security-opt", "seccomp=../profiles/seccomp/default.json", "debian:jessie", "unshare", "--map-root-user", "--user", "sh", "-c", "whoami") |
| c.Assert(err, checker.NotNil, check.Commentf(out)) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "unshare: unshare failed: Operation not permitted") |
| } |
| |
| // TestRunDeviceSymlink checks run with device that follows symlink (#13840 and #22271) |
| func (s *DockerSuite) TestRunDeviceSymlink(c *check.C) { |
| testRequires(c, DaemonIsLinux, NotUserNamespace, NotArm, SameHostDaemon) |
| if _, err := os.Stat("/dev/zero"); err != nil { |
| c.Skip("Host does not have /dev/zero") |
| } |
| |
| // Create a temporary directory to create symlink |
| tmpDir, err := ioutil.TempDir("", "docker_device_follow_symlink_tests") |
| c.Assert(err, checker.IsNil) |
| |
| defer os.RemoveAll(tmpDir) |
| |
| // Create a symbolic link to /dev/zero |
| symZero := filepath.Join(tmpDir, "zero") |
| err = os.Symlink("/dev/zero", symZero) |
| c.Assert(err, checker.IsNil) |
| |
| // Create a temporary file "temp" inside tmpDir, write some data to "tmpDir/temp", |
| // then create a symlink "tmpDir/file" to the temporary file "tmpDir/temp". |
| tmpFile := filepath.Join(tmpDir, "temp") |
| err = ioutil.WriteFile(tmpFile, []byte("temp"), 0666) |
| c.Assert(err, checker.IsNil) |
| symFile := filepath.Join(tmpDir, "file") |
| err = os.Symlink(tmpFile, symFile) |
| c.Assert(err, checker.IsNil) |
| |
| // Create a symbolic link to /dev/zero, this time with a relative path (#22271) |
| err = os.Symlink("zero", "/dev/symzero") |
| if err != nil { |
| c.Fatal("/dev/symzero creation failed") |
| } |
| // We need to remove this symbolic link here as it is created in /dev/, not temporary directory as above |
| defer os.Remove("/dev/symzero") |
| |
| // md5sum of 'dd if=/dev/zero bs=4K count=8' is bb7df04e1b0a2570657527a7e108ae23 |
| out, _ := dockerCmd(c, "run", "--device", symZero+":/dev/symzero", "busybox", "sh", "-c", "dd if=/dev/symzero bs=4K count=8 | md5sum") |
| c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "bb7df04e1b0a2570657527a7e108ae23", check.Commentf("expected output bb7df04e1b0a2570657527a7e108ae23")) |
| |
| // symlink "tmpDir/file" to a file "tmpDir/temp" will result in an error as it is not a device. |
| out, _, err = dockerCmdWithError("run", "--device", symFile+":/dev/symzero", "busybox", "sh", "-c", "dd if=/dev/symzero bs=4K count=8 | md5sum") |
| c.Assert(err, check.NotNil) |
| c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "not a device node", check.Commentf("expected output 'not a device node'")) |
| |
| // md5sum of 'dd if=/dev/zero bs=4K count=8' is bb7df04e1b0a2570657527a7e108ae23 (this time check with relative path backed, see #22271) |
| out, _ = dockerCmd(c, "run", "--device", "/dev/symzero:/dev/symzero", "busybox", "sh", "-c", "dd if=/dev/symzero bs=4K count=8 | md5sum") |
| c.Assert(strings.Trim(out, "\r\n"), checker.Contains, "bb7df04e1b0a2570657527a7e108ae23", check.Commentf("expected output bb7df04e1b0a2570657527a7e108ae23")) |
| } |
| |
| // TestRunPidsLimit makes sure the pids cgroup is set with --pids-limit |
| func (s *DockerSuite) TestRunPidsLimit(c *check.C) { |
| testRequires(c, pidsLimit) |
| |
| file := "/sys/fs/cgroup/pids/pids.max" |
| out, _ := dockerCmd(c, "run", "--name", "skittles", "--pids-limit", "2", "busybox", "cat", file) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "2") |
| |
| out = inspectField(c, "skittles", "HostConfig.PidsLimit") |
| c.Assert(out, checker.Equals, "2", check.Commentf("setting the pids limit failed")) |
| } |
| |
| func (s *DockerSuite) TestRunPrivilegedAllowedDevices(c *check.C) { |
| testRequires(c, DaemonIsLinux, NotUserNamespace) |
| |
| file := "/sys/fs/cgroup/devices/devices.list" |
| out, _ := dockerCmd(c, "run", "--privileged", "busybox", "cat", file) |
| c.Logf("out: %q", out) |
| c.Assert(strings.TrimSpace(out), checker.Equals, "a *:* rwm") |
| } |
| |
| func (s *DockerSuite) TestRunUserDeviceAllowed(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| |
| fi, err := os.Stat("/dev/snd/timer") |
| if err != nil { |
| c.Skip("Host does not have /dev/snd/timer") |
| } |
| stat, ok := fi.Sys().(*syscall.Stat_t) |
| if !ok { |
| c.Skip("Could not stat /dev/snd/timer") |
| } |
| |
| file := "/sys/fs/cgroup/devices/devices.list" |
| out, _ := dockerCmd(c, "run", "--device", "/dev/snd/timer:w", "busybox", "cat", file) |
| c.Assert(out, checker.Contains, fmt.Sprintf("c %d:%d w", stat.Rdev/256, stat.Rdev%256)) |
| } |