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docker_cli_run_unix_test.go
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docker_cli_run_unix_test.go
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// +build !windows
package main
import (
"bufio"
"context"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"regexp"
"strconv"
"strings"
"syscall"
"time"
"github.com/docker/docker/client"
"github.com/docker/docker/integration-cli/checker"
"github.com/docker/docker/integration-cli/cli"
"github.com/docker/docker/integration-cli/cli/build"
"github.com/docker/docker/pkg/homedir"
"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"
"gotest.tools/icmd"
)
// #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()
out, _ := dockerCmd(c, "run", "--name", "test-data", "--volume", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox:latest", "ls", "/tmp/tmpfs")
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"))
}
// TestRunAttachDetach 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")
}
// TestRunAttachDetachFromFlag 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"))
}
// TestRunAttachDetachFromInvalidFlag 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)
}
go cmd.Wait()
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 detach keys (ctrl-A,a) provided"
c.Assert(strings.TrimSpace(out), checker.Equals, errStr)
}
// TestRunAttachDetachFromConfig 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"))
}
// TestRunAttachDetachKeysOverrideConfig 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)
}
go cmd.Wait()
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"
cli.DockerCmd(c, "run", "--kernel-memory", "50M", "--name", "test1", "busybox", "cat", file).Assert(c, icmd.Expected{
Out: "52428800",
})
cli.InspectCmd(c, "test1", cli.Format(".HostConfig.KernelMemory")).Assert(c, icmd.Expected{
Out: "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)
cli.DockerCmd(c, "run", "--cpu-shares", "1000", "-m", "32m", "busybox", "echo", "test").Assert(c, icmd.Expected{
Out: "test\n",
})
}
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, NotPpc64le)
errChan := make(chan error)
go func() {
defer close(errChan)
// memory limit lower than 8MB will raise an error of "device or resource busy" from docker-runc.
out, exitCode, _ := dockerCmdWithError("run", "-m", "8MB", "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"
cli.DockerCmd(c, "run", "-m", "32M", "--name", "test", "busybox", "cat", file).Assert(c, icmd.Expected{
Out: "33554432",
})
cli.InspectCmd(c, "test", cli.Format(".HostConfig.Memory")).Assert(c, icmd.Expected{
Out: "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, SameHostDaemon, 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, SameHostDaemon, memoryReservationSupport)
out, _, err := dockerCmdWithError("run", "-m", "500M", "--memory-reservation", "800M", "busybox", "true")
c.Assert(err, check.NotNil)
expected := "Minimum memory limit can not be less 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"
buildImageSuccessfully(c, name, build.WithDockerfile(`
FROM busybox
VOLUME /run
RUN touch /run/stuff
`))
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")
icmd.RunCommand(dockerBinary, "run", "--sysctl", "kernel.foobar=1", "--name", "test2",
"busybox", "cat", "/proc/sys/kernel/foobar").Assert(c, icmd.Expected{
ExitCode: 125,
Err: "invalid argument",
})
}
// 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")
if err != nil {
c.Fatal(err)
}
defer tmpFile.Close()
if _, err := tmpFile.Write([]byte(jsonData)); err != nil {
c.Fatal(err)
}
icmd.RunCommand(dockerBinary, "run", "--security-opt", "apparmor=unconfined",
"--security-opt", "seccomp="+tmpFile.Name(),
"debian:jessie", "unshare", "-p", "-m", "-f", "-r", "mount", "-t", "proc", "none", "/proc").Assert(c, icmd.Expected{
ExitCode: 1,
Err: "Operation not permitted",
})
}
// 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"
},
{
"name":"fchmod",
"action": "SCMP_ACT_ERRNO"
},
{
"name": "fchmodat",
"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)
}
icmd.RunCommand(dockerBinary, "run", "--security-opt", "seccomp="+tmpFile.Name(),
"busybox", "chmod", "400", "/etc/hostname").Assert(c, icmd.Expected{
ExitCode: 1,
Err: "Operation not permitted",
})
}
// TestRunSeccompProfileDenyUnshareUserns checks that 'docker run debian:jessie unshare --map-root-user --user sh -c whoami' with a specific profile to
// deny unshare 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"