457 lines
15 KiB
Go
457 lines
15 KiB
Go
// +build !windows
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package main
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import (
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"bufio"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"github.com/docker/docker/pkg/integration/checker"
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"github.com/docker/docker/pkg/mount"
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"github.com/docker/docker/pkg/parsers"
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"github.com/docker/docker/pkg/sysinfo"
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"github.com/docker/docker/pkg/units"
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"github.com/go-check/check"
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"github.com/kr/pty"
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)
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// #6509
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func (s *DockerSuite) TestRunRedirectStdout(c *check.C) {
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checkRedirect := func(command string) {
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_, tty, err := pty.Open()
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if err != nil {
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c.Fatalf("Could not open pty: %v", err)
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}
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cmd := exec.Command("sh", "-c", command)
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cmd.Stdin = tty
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cmd.Stdout = tty
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cmd.Stderr = tty
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if err := cmd.Start(); err != nil {
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c.Fatalf("start err: %v", err)
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}
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ch := make(chan error)
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go func() {
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ch <- cmd.Wait()
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close(ch)
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}()
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select {
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case <-time.After(10 * time.Second):
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c.Fatal("command timeout")
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case err := <-ch:
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if err != nil {
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c.Fatalf("wait err=%v", err)
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}
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}
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}
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checkRedirect(dockerBinary + " run -i busybox cat /etc/passwd | grep -q root")
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checkRedirect(dockerBinary + " run busybox cat /etc/passwd | grep -q root")
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}
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// Test recursive bind mount works by default
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func (s *DockerSuite) TestRunWithVolumesIsRecursive(c *check.C) {
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// /tmp gets permission denied
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testRequires(c, NotUserNamespace)
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tmpDir, err := ioutil.TempDir("", "docker_recursive_mount_test")
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if err != nil {
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c.Fatal(err)
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}
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defer os.RemoveAll(tmpDir)
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// Create a temporary tmpfs mount.
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tmpfsDir := filepath.Join(tmpDir, "tmpfs")
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if err := os.MkdirAll(tmpfsDir, 0777); err != nil {
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c.Fatalf("failed to mkdir at %s - %s", tmpfsDir, err)
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}
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if err := mount.Mount("tmpfs", tmpfsDir, "tmpfs", ""); err != nil {
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c.Fatalf("failed to create a tmpfs mount at %s - %s", tmpfsDir, err)
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}
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f, err := ioutil.TempFile(tmpfsDir, "touch-me")
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if err != nil {
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c.Fatal(err)
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}
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defer f.Close()
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runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox:latest", "ls", "/tmp/tmpfs")
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out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd)
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if err != nil && exitCode != 0 {
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c.Fatal(out, stderr, err)
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}
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if !strings.Contains(out, filepath.Base(f.Name())) {
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c.Fatal("Recursive bind mount test failed. Expected file not found")
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}
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}
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func (s *DockerSuite) TestRunDeviceDirectory(c *check.C) {
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testRequires(c, NativeExecDriver, NotUserNamespace)
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if _, err := os.Stat("/dev/snd"); err != nil {
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c.Skip("Host does not have /dev/snd")
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}
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out, _ := dockerCmd(c, "run", "--device", "/dev/snd:/dev/snd", "busybox", "sh", "-c", "ls /dev/snd/")
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if actual := strings.Trim(out, "\r\n"); !strings.Contains(out, "timer") {
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c.Fatalf("expected output /dev/snd/timer, received %s", actual)
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}
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out, _ = dockerCmd(c, "run", "--device", "/dev/snd:/dev/othersnd", "busybox", "sh", "-c", "ls /dev/othersnd/")
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if actual := strings.Trim(out, "\r\n"); !strings.Contains(out, "seq") {
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c.Fatalf("expected output /dev/othersnd/seq, received %s", actual)
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}
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}
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// TestRunDetach checks attaching and detaching with the escape sequence.
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func (s *DockerSuite) TestRunAttachDetach(c *check.C) {
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name := "attach-detach"
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cmd := exec.Command(dockerBinary, "run", "--name", name, "-it", "busybox", "cat")
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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c.Fatal(err)
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}
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cpty, tty, err := pty.Open()
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if err != nil {
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c.Fatal(err)
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}
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defer cpty.Close()
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cmd.Stdin = tty
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if err := cmd.Start(); err != nil {
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c.Fatal(err)
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}
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c.Assert(waitRun(name), check.IsNil)
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if _, err := cpty.Write([]byte("hello\n")); err != nil {
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c.Fatal(err)
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}
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out, err := bufio.NewReader(stdout).ReadString('\n')
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if err != nil {
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c.Fatal(err)
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}
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if strings.TrimSpace(out) != "hello" {
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c.Fatalf("expected 'hello', got %q", out)
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}
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// escape sequence
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if _, err := cpty.Write([]byte{16}); err != nil {
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c.Fatal(err)
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}
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time.Sleep(100 * time.Millisecond)
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if _, err := cpty.Write([]byte{17}); err != nil {
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c.Fatal(err)
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}
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ch := make(chan struct{})
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go func() {
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cmd.Wait()
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ch <- struct{}{}
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}()
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running, err := inspectField(name, "State.Running")
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if err != nil {
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c.Fatal(err)
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}
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if running != "true" {
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c.Fatal("expected container to still be running")
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}
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go func() {
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exec.Command(dockerBinary, "kill", name).Run()
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}()
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select {
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case <-ch:
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case <-time.After(10 * time.Millisecond):
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c.Fatal("timed out waiting for container to exit")
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}
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}
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// "test" should be printed
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func (s *DockerSuite) TestRunEchoStdoutWithCPUQuota(c *check.C) {
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testRequires(c, cpuCfsQuota)
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out, _, err := dockerCmdWithError("run", "--cpu-quota", "8000", "--name", "test", "busybox", "echo", "test")
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if err != nil {
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c.Fatalf("failed to run container: %v, output: %q", err, out)
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}
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out = strings.TrimSpace(out)
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if out != "test" {
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c.Errorf("container should've printed 'test'")
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}
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out, err = inspectField("test", "HostConfig.CpuQuota")
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c.Assert(err, check.IsNil)
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if out != "8000" {
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c.Fatalf("setting the CPU CFS quota failed")
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}
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}
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func (s *DockerSuite) TestRunWithCpuPeriod(c *check.C) {
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testRequires(c, cpuCfsPeriod)
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if _, _, err := dockerCmdWithError("run", "--cpu-period", "50000", "--name", "test", "busybox", "true"); err != nil {
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c.Fatalf("failed to run container: %v", err)
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}
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out, err := inspectField("test", "HostConfig.CpuPeriod")
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c.Assert(err, check.IsNil)
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if out != "50000" {
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c.Fatalf("setting the CPU CFS period failed")
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}
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}
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func (s *DockerSuite) TestRunWithKernelMemory(c *check.C) {
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testRequires(c, kernelMemorySupport)
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dockerCmd(c, "run", "--kernel-memory", "50M", "--name", "test1", "busybox", "true")
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out, err := inspectField("test1", "HostConfig.KernelMemory")
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c.Assert(err, check.IsNil)
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c.Assert(out, check.Equals, "52428800")
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out, _, err = dockerCmdWithError("run", "--kernel-memory", "-16m", "--name", "test2", "busybox", "echo", "test")
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expected := "invalid size"
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c.Assert(err, check.NotNil)
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c.Assert(out, checker.Contains, expected)
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}
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// "test" should be printed
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func (s *DockerSuite) TestRunEchoStdoutWitCPUShares(c *check.C) {
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testRequires(c, cpuShare)
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out, _ := dockerCmd(c, "run", "--cpu-shares", "1000", "busybox", "echo", "test")
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if out != "test\n" {
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c.Errorf("container should've printed 'test', got %q instead", out)
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}
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}
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// "test" should be printed
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func (s *DockerSuite) TestRunEchoStdoutWithCPUSharesAndMemoryLimit(c *check.C) {
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testRequires(c, cpuShare)
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testRequires(c, memoryLimitSupport)
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out, _, _ := dockerCmdWithStdoutStderr(c, "run", "--cpu-shares", "1000", "-m", "16m", "busybox", "echo", "test")
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if out != "test\n" {
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c.Errorf("container should've printed 'test', got %q instead", out)
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}
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}
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func (s *DockerSuite) TestRunWithCpuset(c *check.C) {
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testRequires(c, cgroupCpuset)
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if _, code := dockerCmd(c, "run", "--cpuset", "0", "busybox", "true"); code != 0 {
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c.Fatalf("container should run successfully with cpuset of 0")
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}
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}
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func (s *DockerSuite) TestRunWithCpusetCpus(c *check.C) {
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testRequires(c, cgroupCpuset)
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if _, code := dockerCmd(c, "run", "--cpuset-cpus", "0", "busybox", "true"); code != 0 {
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c.Fatalf("container should run successfully with cpuset-cpus of 0")
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}
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}
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func (s *DockerSuite) TestRunWithCpusetMems(c *check.C) {
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testRequires(c, cgroupCpuset)
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if _, code := dockerCmd(c, "run", "--cpuset-mems", "0", "busybox", "true"); code != 0 {
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c.Fatalf("container should run successfully with cpuset-mems of 0")
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}
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}
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func (s *DockerSuite) TestRunWithBlkioWeight(c *check.C) {
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testRequires(c, blkioWeight)
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if _, code := dockerCmd(c, "run", "--blkio-weight", "300", "busybox", "true"); code != 0 {
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c.Fatalf("container should run successfully with blkio-weight of 300")
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}
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}
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func (s *DockerSuite) TestRunWithBlkioInvalidWeight(c *check.C) {
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testRequires(c, blkioWeight)
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if _, _, err := dockerCmdWithError("run", "--blkio-weight", "5", "busybox", "true"); err == nil {
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c.Fatalf("run with invalid blkio-weight should failed")
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}
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}
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func (s *DockerSuite) TestRunOOMExitCode(c *check.C) {
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testRequires(c, oomControl)
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errChan := make(chan error)
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go func() {
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defer close(errChan)
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//changing memory to 40MB from 4MB due to an issue with GCCGO that test fails to start the container.
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out, exitCode, _ := dockerCmdWithError("run", "-m", "40MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x$x$x; done")
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if expected := 137; exitCode != expected {
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errChan <- fmt.Errorf("wrong exit code for OOM container: expected %d, got %d (output: %q)", expected, exitCode, out)
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}
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}()
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select {
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case err := <-errChan:
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c.Assert(err, check.IsNil)
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case <-time.After(30 * time.Second):
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c.Fatal("Timeout waiting for container to die on OOM")
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}
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}
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// "test" should be printed
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func (s *DockerSuite) TestRunEchoStdoutWithMemoryLimit(c *check.C) {
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testRequires(c, memoryLimitSupport)
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out, _, _ := dockerCmdWithStdoutStderr(c, "run", "-m", "16m", "busybox", "echo", "test")
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out = strings.Trim(out, "\r\n")
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if expected := "test"; out != expected {
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c.Fatalf("container should've printed %q but printed %q", expected, out)
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}
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}
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// TestRunWithoutMemoryswapLimit sets memory limit and disables swap
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// memory limit, this means the processes in the container can use
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// 16M memory and as much swap memory as they need (if the host
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// supports swap memory).
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func (s *DockerSuite) TestRunWithoutMemoryswapLimit(c *check.C) {
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testRequires(c, NativeExecDriver)
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testRequires(c, memoryLimitSupport)
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testRequires(c, swapMemorySupport)
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dockerCmd(c, "run", "-m", "16m", "--memory-swap", "-1", "busybox", "true")
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}
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func (s *DockerSuite) TestRunWithSwappiness(c *check.C) {
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testRequires(c, memorySwappinessSupport)
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dockerCmd(c, "run", "--memory-swappiness", "0", "busybox", "true")
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}
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func (s *DockerSuite) TestRunWithSwappinessInvalid(c *check.C) {
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testRequires(c, memorySwappinessSupport)
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out, _, err := dockerCmdWithError("run", "--memory-swappiness", "101", "busybox", "true")
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c.Assert(err, check.NotNil)
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expected := "Valid memory swappiness range is 0-100"
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c.Assert(out, checker.Contains, expected, check.Commentf("Expected output to contain %q, not %q", out, expected))
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out, _, err = dockerCmdWithError("run", "--memory-swappiness", "-10", "busybox", "true")
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c.Assert(err, check.NotNil)
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c.Assert(out, checker.Contains, expected, check.Commentf("Expected output to contain %q, not %q", out, expected))
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}
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func (s *DockerSuite) TestRunWithMemoryReservation(c *check.C) {
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testRequires(c, memoryReservationSupport)
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dockerCmd(c, "run", "--memory-reservation", "200M", "busybox", "true")
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}
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func (s *DockerSuite) TestRunWithMemoryReservationInvalid(c *check.C) {
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testRequires(c, memoryLimitSupport)
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testRequires(c, memoryReservationSupport)
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out, _, err := dockerCmdWithError("run", "-m", "500M", "--memory-reservation", "800M", "busybox", "true")
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c.Assert(err, check.NotNil)
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expected := "Minimum memory limit should be larger than memory reservation limit"
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if !strings.Contains(strings.TrimSpace(out), expected) {
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c.Fatalf("run container should fail with invalid memory reservation, output: %q", out)
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}
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}
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func (s *DockerSuite) TestStopContainerSignal(c *check.C) {
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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`)
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containerID := strings.TrimSpace(out)
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if err := waitRun(containerID); err != nil {
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c.Fatal(err)
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}
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dockerCmd(c, "stop", containerID)
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out, _ = dockerCmd(c, "logs", containerID)
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if !strings.Contains(out, "exit trapped") {
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c.Fatalf("Expected `exit trapped` in the log, got %v", out)
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}
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}
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func (s *DockerSuite) TestRunSwapLessThanMemoryLimit(c *check.C) {
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testRequires(c, memoryLimitSupport)
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testRequires(c, swapMemorySupport)
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out, _, err := dockerCmdWithError("run", "-m", "16m", "--memory-swap", "15m", "busybox", "echo", "test")
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expected := "Minimum memoryswap limit should be larger than memory limit"
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c.Assert(err, check.NotNil)
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if !strings.Contains(out, expected) {
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c.Fatalf("Expected output to contain %q, not %q", out, expected)
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}
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}
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func (s *DockerSuite) TestRunInvalidCpusetCpusFlagValue(c *check.C) {
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testRequires(c, cgroupCpuset)
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sysInfo := sysinfo.New(true)
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cpus, err := parsers.ParseUintList(sysInfo.Cpus)
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c.Assert(err, check.IsNil)
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var invalid int
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for i := 0; i <= len(cpus)+1; i++ {
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if !cpus[i] {
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invalid = i
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break
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}
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}
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out, _, err := dockerCmdWithError("run", "--cpuset-cpus", strconv.Itoa(invalid), "busybox", "true")
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c.Assert(err, check.NotNil)
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expected := fmt.Sprintf("Error response from daemon: Requested CPUs are not available - requested %s, available: %s.\n", strconv.Itoa(invalid), sysInfo.Cpus)
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c.Assert(out, check.Equals, expected, check.Commentf("Expected output to contain %q, got %q", expected, out))
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}
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func (s *DockerSuite) TestRunInvalidCpusetMemsFlagValue(c *check.C) {
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testRequires(c, cgroupCpuset)
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sysInfo := sysinfo.New(true)
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mems, err := parsers.ParseUintList(sysInfo.Mems)
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c.Assert(err, check.IsNil)
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var invalid int
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for i := 0; i <= len(mems)+1; i++ {
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if !mems[i] {
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invalid = i
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break
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}
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}
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out, _, err := dockerCmdWithError("run", "--cpuset-mems", strconv.Itoa(invalid), "busybox", "true")
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c.Assert(err, check.NotNil)
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expected := fmt.Sprintf("Error response from daemon: Requested memory nodes are not available - requested %s, available: %s.\n", strconv.Itoa(invalid), sysInfo.Mems)
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c.Assert(out, check.Equals, expected, check.Commentf("Expected output to contain %q, got %q", expected, out))
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}
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func (s *DockerSuite) TestRunInvalidCPUShares(c *check.C) {
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testRequires(c, cpuShare, NativeExecDriver)
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out, _, err := dockerCmdWithError("run", "--cpu-shares", "1", "busybox", "echo", "test")
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c.Assert(err, check.NotNil, check.Commentf(out))
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expected := "The minimum allowed cpu-shares is 2"
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c.Assert(out, checker.Contains, expected)
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out, _, err = dockerCmdWithError("run", "--cpu-shares", "-1", "busybox", "echo", "test")
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c.Assert(err, check.NotNil, check.Commentf(out))
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expected = "shares: invalid argument"
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c.Assert(out, checker.Contains, expected)
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out, _, err = dockerCmdWithError("run", "--cpu-shares", "99999999", "busybox", "echo", "test")
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c.Assert(err, check.NotNil, check.Commentf(out))
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expected = "The maximum allowed cpu-shares is"
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c.Assert(out, checker.Contains, expected)
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}
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func (s *DockerSuite) TestRunWithCorrectMemorySwapOnLXC(c *check.C) {
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testRequires(c, memoryLimitSupport)
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testRequires(c, swapMemorySupport)
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testRequires(c, SameHostDaemon)
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out, _ := dockerCmd(c, "run", "-d", "-m", "16m", "--memory-swap", "64m", "busybox", "top")
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if _, err := os.Stat("/sys/fs/cgroup/memory/lxc"); err != nil {
|
|
c.Skip("Excecution driver must be LXC for this test")
|
|
}
|
|
id := strings.TrimSpace(out)
|
|
memorySwap, err := ioutil.ReadFile(fmt.Sprintf("/sys/fs/cgroup/memory/lxc/%s/memory.memsw.limit_in_bytes", id))
|
|
c.Assert(err, check.IsNil)
|
|
cgSwap, err := strconv.ParseInt(strings.TrimSpace(string(memorySwap)), 10, 64)
|
|
c.Assert(err, check.IsNil)
|
|
swap, err := units.RAMInBytes("64m")
|
|
c.Assert(err, check.IsNil)
|
|
c.Assert(cgSwap, check.Equals, swap)
|
|
}
|