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moby--moby/integration-cli/docker_cli_run_unix_test.go
David Calavera a914101296 Do not require cgroups capabilities on windows to run the integration tests.
Signed-off-by: David Calavera <david.calavera@gmail.com>
2015-05-29 11:42:40 -07:00

287 lines
7.7 KiB
Go

// +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")
}
}
// "test" should be printed
func (s *DockerSuite) TestRunEchoStdoutWithCPUQuota(c *check.C) {
testRequires(c, CpuCfsQuota)
runCmd := exec.Command(dockerBinary, "run", "--cpu-quota", "8000", "--name", "test", "busybox", "echo", "test")
out, _, _, err := runCommandWithStdoutStderr(runCmd)
if err != nil {
c.Fatalf("failed to run container: %v, output: %q", err, out)
}
out = strings.TrimSpace(out)
if out != "test" {
c.Errorf("container should've printed 'test'")
}
out, err = inspectField("test", "HostConfig.CpuQuota")
c.Assert(err, check.IsNil)
if out != "8000" {
c.Fatalf("setting the CPU CFS quota failed")
}
}
func (s *DockerSuite) TestRunWithCpuPeriod(c *check.C) {
testRequires(c, CpuCfsPeriod)
runCmd := exec.Command(dockerBinary, "run", "--cpu-period", "50000", "--name", "test", "busybox", "true")
if _, err := runCommand(runCmd); err != nil {
c.Fatalf("failed to run container: %v", err)
}
out, err := inspectField("test", "HostConfig.CpuPeriod")
c.Assert(err, check.IsNil)
if out != "50000" {
c.Fatalf("setting the CPU CFS period failed")
}
}