package main import ( "bufio" "bytes" "fmt" "io/ioutil" "net" "os" "os/exec" "path" "path/filepath" "reflect" "regexp" "sort" "strconv" "strings" "sync" "time" "github.com/docker/docker/nat" "github.com/docker/docker/pkg/resolvconf" "github.com/go-check/check" ) // "test123" should be printed by docker run func (s *DockerSuite) TestRunEchoStdout(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "busybox", "echo", "test123") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } if out != "test123\n" { c.Fatalf("container should've printed 'test123'") } } // "test" should be printed func (s *DockerSuite) TestRunEchoStdoutWithMemoryLimit(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "busybox", "echo", "test") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } out = strings.Trim(out, "\r\n") if expected := "test"; out != expected { c.Fatalf("container should've printed %q but printed %q", expected, out) } } // should run without memory swap func (s *DockerSuite) TestRunWithoutMemoryswapLimit(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "--memory-swap", "-1", "busybox", "true") out, _, err := runCommandWithOutput(runCmd) if err != nil { c.Fatalf("failed to run container, output: %q", out) } } // "test" should be printed func (s *DockerSuite) TestRunEchoStdoutWitCPULimit(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "busybox", "echo", "test") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } if out != "test\n" { c.Errorf("container should've printed 'test'") } } // "test" should be printed func (s *DockerSuite) TestRunEchoStdoutWithCPUAndMemoryLimit(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "-m", "16m", "busybox", "echo", "test") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } if out != "test\n" { c.Errorf("container should've printed 'test', got %q instead", out) } } // "test" should be printed func (s *DockerSuite) TestRunEchoStdoutWitCPUQuota(c *check.C) { 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 strings.Contains(out, "Your kernel does not support CPU cfs quota") { c.Skip("Your kernel does not support CPU cfs quota, skip this test") } if out != "test" { c.Errorf("container should've printed 'test'") } cmd := exec.Command(dockerBinary, "inspect", "-f", "{{.HostConfig.CpuQuota}}", "test") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to inspect container: %s, %v", out, err) } out = strings.TrimSpace(out) if out != "8000" { c.Errorf("setting the CPU CFS quota failed") } } // "test" should be printed func (s *DockerSuite) TestRunEchoNamedContainer(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "--name", "testfoonamedcontainer", "busybox", "echo", "test") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } if out != "test\n" { c.Errorf("container should've printed 'test'") } if err := deleteContainer("testfoonamedcontainer"); err != nil { c.Errorf("failed to remove the named container: %v", err) } } // docker run should not leak file descriptors func (s *DockerSuite) TestRunLeakyFileDescriptors(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "busybox", "ls", "-C", "/proc/self/fd") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } // normally, we should only get 0, 1, and 2, but 3 gets created by "ls" when it does "opendir" on the "fd" directory if out != "0 1 2 3\n" { c.Errorf("container should've printed '0 1 2 3', not: %s", out) } } // it should be possible to lookup Google DNS // this will fail when Internet access is unavailable func (s *DockerSuite) TestRunLookupGoogleDns(c *check.C) { testRequires(c, Network) out, _, _, err := runCommandWithStdoutStderr(exec.Command(dockerBinary, "run", "busybox", "nslookup", "google.com")) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } } // the exit code should be 0 // some versions of lxc might make this test fail func (s *DockerSuite) TestRunExitCodeZero(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "busybox", "true") if out, _, err := runCommandWithOutput(runCmd); err != nil { c.Errorf("container should've exited with exit code 0: %s, %v", out, err) } } // the exit code should be 1 // some versions of lxc might make this test fail func (s *DockerSuite) TestRunExitCodeOne(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "busybox", "false") exitCode, err := runCommand(runCmd) if err != nil && !strings.Contains("exit status 1", fmt.Sprintf("%s", err)) { c.Fatal(err) } if exitCode != 1 { c.Errorf("container should've exited with exit code 1") } } // it should be possible to pipe in data via stdin to a process running in a container // some versions of lxc might make this test fail func (s *DockerSuite) TestRunStdinPipe(c *check.C) { runCmd := exec.Command("bash", "-c", `echo "blahblah" | docker run -i -a stdin busybox cat`) out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } out = strings.TrimSpace(out) inspectCmd := exec.Command(dockerBinary, "inspect", out) if out, _, err := runCommandWithOutput(inspectCmd); err != nil { c.Fatalf("out should've been a container id: %s %v", out, err) } waitCmd := exec.Command(dockerBinary, "wait", out) if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil { c.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err) } logsCmd := exec.Command(dockerBinary, "logs", out) logsOut, _, err := runCommandWithOutput(logsCmd) if err != nil { c.Fatalf("error thrown while trying to get container logs: %s, %v", logsOut, err) } containerLogs := strings.TrimSpace(logsOut) if containerLogs != "blahblah" { c.Errorf("logs didn't print the container's logs %s", containerLogs) } rmCmd := exec.Command(dockerBinary, "rm", out) if out, _, err = runCommandWithOutput(rmCmd); err != nil { c.Fatalf("rm failed to remove container: %s, %v", out, err) } } // the container's ID should be printed when starting a container in detached mode func (s *DockerSuite) TestRunDetachedContainerIDPrinting(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } out = strings.TrimSpace(out) inspectCmd := exec.Command(dockerBinary, "inspect", out) if inspectOut, _, err := runCommandWithOutput(inspectCmd); err != nil { c.Fatalf("out should've been a container id: %s %v", inspectOut, err) } waitCmd := exec.Command(dockerBinary, "wait", out) if waitOut, _, err := runCommandWithOutput(waitCmd); err != nil { c.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err) } rmCmd := exec.Command(dockerBinary, "rm", out) rmOut, _, err := runCommandWithOutput(rmCmd) if err != nil { c.Fatalf("rm failed to remove container: %s, %v", rmOut, err) } rmOut = strings.TrimSpace(rmOut) if rmOut != out { c.Errorf("rm didn't print the container ID %s %s", out, rmOut) } } // the working directory should be set correctly func (s *DockerSuite) TestRunWorkingDirectory(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-w", "/root", "busybox", "pwd") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } out = strings.TrimSpace(out) if out != "/root" { c.Errorf("-w failed to set working directory") } runCmd = exec.Command(dockerBinary, "run", "--workdir", "/root", "busybox", "pwd") out, _, _, err = runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatal(out, err) } out = strings.TrimSpace(out) if out != "/root" { c.Errorf("--workdir failed to set working directory") } } // pinging Google's DNS resolver should fail when we disable the networking func (s *DockerSuite) TestRunWithoutNetworking(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "8.8.8.8") out, _, exitCode, err := runCommandWithStdoutStderr(runCmd) if err != nil && exitCode != 1 { c.Fatal(out, err) } if exitCode != 1 { c.Errorf("--net=none should've disabled the network; the container shouldn't have been able to ping 8.8.8.8") } runCmd = exec.Command(dockerBinary, "run", "-n=false", "busybox", "ping", "-c", "1", "8.8.8.8") out, _, exitCode, err = runCommandWithStdoutStderr(runCmd) if err != nil && exitCode != 1 { c.Fatal(out, err) } if exitCode != 1 { c.Errorf("-n=false should've disabled the network; the container shouldn't have been able to ping 8.8.8.8") } } //test --link use container name to link target func (s *DockerSuite) TestRunLinksContainerWithContainerName(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-i", "-t", "-d", "--name", "parent", "busybox") out, _, _, err := runCommandWithStdoutStderr(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.NetworkSettings.IPAddress}}", "parent") ip, _, _, err := runCommandWithStdoutStderr(cmd) if err != nil { c.Fatalf("failed to inspect container: %v, output: %q", err, ip) } ip = strings.TrimSpace(ip) cmd = exec.Command(dockerBinary, "run", "--link", "parent:test", "busybox", "/bin/cat", "/etc/hosts") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } if !strings.Contains(out, ip+" test") { c.Fatalf("use a container name to link target failed") } } //test --link use container id to link target func (s *DockerSuite) TestRunLinksContainerWithContainerId(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-i", "-t", "-d", "busybox") cID, _, _, err := runCommandWithStdoutStderr(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, cID) } cID = strings.TrimSpace(cID) cmd = exec.Command(dockerBinary, "inspect", "-f", "{{.NetworkSettings.IPAddress}}", cID) ip, _, _, err := runCommandWithStdoutStderr(cmd) if err != nil { c.Fatalf("failed to inspect container: %v, output: %q", err, ip) } ip = strings.TrimSpace(ip) cmd = exec.Command(dockerBinary, "run", "--link", cID+":test", "busybox", "/bin/cat", "/etc/hosts") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } if !strings.Contains(out, ip+" test") { c.Fatalf("use a container id to link target failed") } } func (s *DockerSuite) TestRunLinkToContainerNetMode(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--name", "test", "-d", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } cmd = exec.Command(dockerBinary, "run", "--name", "parent", "-d", "--net=container:test", "busybox", "top") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } cmd = exec.Command(dockerBinary, "run", "-d", "--link=parent:parent", "busybox", "top") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } cmd = exec.Command(dockerBinary, "run", "--name", "child", "-d", "--net=container:parent", "busybox", "top") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } cmd = exec.Command(dockerBinary, "run", "-d", "--link=child:child", "busybox", "top") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } } func (s *DockerSuite) TestRunModeNetContainerHostname(c *check.C) { testRequires(c, ExecSupport) cmd := exec.Command(dockerBinary, "run", "-i", "-d", "--name", "parent", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } cmd = exec.Command(dockerBinary, "exec", "parent", "cat", "/etc/hostname") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to exec command: %v, output: %q", err, out) } cmd = exec.Command(dockerBinary, "run", "--net=container:parent", "busybox", "cat", "/etc/hostname") out1, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out1) } if out1 != out { c.Fatal("containers with shared net namespace should have same hostname") } } // Regression test for #4741 func (s *DockerSuite) TestRunWithVolumesAsFiles(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/etc/hosts:/target-file", "busybox", "true") out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd) if err != nil && exitCode != 0 { c.Fatal("1", out, stderr, err) } runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/target-file") out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd) if err != nil && exitCode != 0 { c.Fatal("2", out, stderr, err) } } // Regression test for #4979 func (s *DockerSuite) TestRunWithVolumesFromExited(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", "/some/dir", "busybox", "touch", "/some/dir/file") out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd) if err != nil && exitCode != 0 { c.Fatal("1", out, stderr, err) } runCmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-data", "busybox", "cat", "/some/dir/file") out, stderr, exitCode, err = runCommandWithStdoutStderr(runCmd) if err != nil && exitCode != 0 { c.Fatal("2", out, stderr, err) } } // Volume path is a symlink which also exists on the host, and the host side is a file not a dir // But the volume call is just a normal volume, not a bind mount func (s *DockerSuite) TestRunCreateVolumesInSymlinkDir(c *check.C) { testRequires(c, SameHostDaemon) testRequires(c, NativeExecDriver) name := "test-volume-symlink" dir, err := ioutil.TempDir("", name) if err != nil { c.Fatal(err) } defer os.RemoveAll(dir) f, err := os.OpenFile(filepath.Join(dir, "test"), os.O_CREATE, 0700) if err != nil { c.Fatal(err) } f.Close() dockerFile := fmt.Sprintf("FROM busybox\nRUN mkdir -p %s\nRUN ln -s %s /test", dir, dir) if _, err := buildImage(name, dockerFile, false); err != nil { c.Fatal(err) } out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-v", "/test/test", name)) if err != nil { c.Fatalf("Failed with errors: %s, %v", out, err) } } // Regression test for #4830 func (s *DockerSuite) TestRunWithRelativePath(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-v", "tmp:/other-tmp", "busybox", "true") if _, _, _, err := runCommandWithStdoutStderr(runCmd); err == nil { c.Fatalf("relative path should result in an error") } } func (s *DockerSuite) TestRunVolumesMountedAsReadonly(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-v", "/test:/test:ro", "busybox", "touch", "/test/somefile") if code, err := runCommand(cmd); err == nil || code == 0 { c.Fatalf("run should fail because volume is ro: exit code %d", code) } } func (s *DockerSuite) TestRunVolumesFromInReadonlyMode(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:ro", "busybox", "touch", "/test/file") if code, err := runCommand(cmd); err == nil || code == 0 { c.Fatalf("run should fail because volume is ro: exit code %d", code) } } // Regression test for #1201 func (s *DockerSuite) TestRunVolumesFromInReadWriteMode(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file") if out, _, err := runCommandWithOutput(cmd); err != nil { c.Fatalf("running --volumes-from parent:rw failed with output: %q\nerror: %v", out, err) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:bar", "busybox", "touch", "/test/file") if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "invalid mode for volumes-from: bar") { c.Fatalf("running --volumes-from foo:bar should have failed with invalid mount mode: %q", out) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "busybox", "touch", "/test/file") if out, _, err := runCommandWithOutput(cmd); err != nil { c.Fatalf("running --volumes-from parent failed with output: %q\nerror: %v", out, err) } } func (s *DockerSuite) TestVolumesFromGetsProperMode(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test:/test:ro", "busybox", "true") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } // Expect this "rw" mode to be be ignored since the inherited volume is "ro" cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file") if _, err := runCommand(cmd); err == nil { c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `rw`") } cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/test:/test:ro", "busybox", "true") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } // Expect this to be read-only since both are "ro" cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent2:ro", "busybox", "touch", "/test/file") if _, err := runCommand(cmd); err == nil { c.Fatal("Expected volumes-from to inherit read-only volume even when passing in `ro`") } } // Test for GH#10618 func (s *DockerSuite) TestRunNoDupVolumes(c *check.C) { mountstr1 := randomUnixTmpDirPath("test1") + ":/someplace" mountstr2 := randomUnixTmpDirPath("test2") + ":/someplace" cmd := exec.Command(dockerBinary, "run", "-v", mountstr1, "-v", mountstr2, "busybox", "true") if out, _, err := runCommandWithOutput(cmd); err == nil { c.Fatal("Expected error about duplicate volume definitions") } else { if !strings.Contains(out, "Duplicate volume") { c.Fatalf("Expected 'duplicate volume' error, got %v", err) } } } // Test for #1351 func (s *DockerSuite) TestRunApplyVolumesFromBeforeVolumes(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "touch", "/test/foo") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "-v", "/test", "busybox", "cat", "/test/foo") if out, _, err := runCommandWithOutput(cmd); err != nil { c.Fatal(out, err) } } func (s *DockerSuite) TestRunMultipleVolumesFrom(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--name", "parent1", "-v", "/test", "busybox", "touch", "/test/foo") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/other", "busybox", "touch", "/other/bar") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent1", "--volumes-from", "parent2", "busybox", "sh", "-c", "cat /test/foo && cat /other/bar") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } } // this tests verifies the ID format for the container func (s *DockerSuite) TestRunVerifyContainerID(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true") out, exit, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err) } if exit != 0 { c.Fatalf("expected exit code 0 received %d", exit) } match, err := regexp.MatchString("^[0-9a-f]{64}$", strings.TrimSuffix(out, "\n")) if err != nil { c.Fatal(err) } if !match { c.Fatalf("Invalid container ID: %s", out) } } // Test that creating a container with a volume doesn't crash. Regression test for #995. func (s *DockerSuite) TestRunCreateVolume(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-v", "/var/lib/data", "busybox", "true") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } } // Test that creating a volume with a symlink in its path works correctly. Test for #5152. // Note that this bug happens only with symlinks with a target that starts with '/'. func (s *DockerSuite) TestRunCreateVolumeWithSymlink(c *check.C) { image := "docker-test-createvolumewithsymlink" buildCmd := exec.Command(dockerBinary, "build", "-t", image, "-") buildCmd.Stdin = strings.NewReader(`FROM busybox RUN ln -s home /bar`) buildCmd.Dir = workingDirectory err := buildCmd.Run() if err != nil { c.Fatalf("could not build '%s': %v", image, err) } cmd := exec.Command(dockerBinary, "run", "-v", "/bar/foo", "--name", "test-createvolumewithsymlink", image, "sh", "-c", "mount | grep -q /home/foo") exitCode, err := runCommand(cmd) if err != nil || exitCode != 0 { c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode) } var volPath string cmd = exec.Command(dockerBinary, "inspect", "-f", "{{range .Volumes}}{{.}}{{end}}", "test-createvolumewithsymlink") volPath, exitCode, err = runCommandWithOutput(cmd) if err != nil || exitCode != 0 { c.Fatalf("[inspect] err: %v, exitcode: %d", err, exitCode) } cmd = exec.Command(dockerBinary, "rm", "-v", "test-createvolumewithsymlink") exitCode, err = runCommand(cmd) if err != nil || exitCode != 0 { c.Fatalf("[rm] err: %v, exitcode: %d", err, exitCode) } f, err := os.Open(volPath) defer f.Close() if !os.IsNotExist(err) { c.Fatalf("[open] (expecting 'file does not exist' error) err: %v, volPath: %s", err, volPath) } } // Tests that a volume path that has a symlink exists in a container mounting it with `--volumes-from`. func (s *DockerSuite) TestRunVolumesFromSymlinkPath(c *check.C) { name := "docker-test-volumesfromsymlinkpath" buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-") buildCmd.Stdin = strings.NewReader(`FROM busybox RUN ln -s home /foo VOLUME ["/foo/bar"]`) buildCmd.Dir = workingDirectory err := buildCmd.Run() if err != nil { c.Fatalf("could not build 'docker-test-volumesfromsymlinkpath': %v", err) } cmd := exec.Command(dockerBinary, "run", "--name", "test-volumesfromsymlinkpath", name) exitCode, err := runCommand(cmd) if err != nil || exitCode != 0 { c.Fatalf("[run] (volume) err: %v, exitcode: %d", err, exitCode) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "test-volumesfromsymlinkpath", "busybox", "sh", "-c", "ls /foo | grep -q bar") exitCode, err = runCommand(cmd) if err != nil || exitCode != 0 { c.Fatalf("[run] err: %v, exitcode: %d", err, exitCode) } } func (s *DockerSuite) TestRunExitCode(c *check.C) { cmd := exec.Command(dockerBinary, "run", "busybox", "/bin/sh", "-c", "exit 72") exit, err := runCommand(cmd) if err == nil { c.Fatal("should not have a non nil error") } if exit != 72 { c.Fatalf("expected exit code 72 received %d", exit) } } func (s *DockerSuite) TestRunUserDefaultsToRoot(c *check.C) { cmd := exec.Command(dockerBinary, "run", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if !strings.Contains(out, "uid=0(root) gid=0(root)") { c.Fatalf("expected root user got %s", out) } } func (s *DockerSuite) TestRunUserByName(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-u", "root", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if !strings.Contains(out, "uid=0(root) gid=0(root)") { c.Fatalf("expected root user got %s", out) } } func (s *DockerSuite) TestRunUserByID(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-u", "1", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if !strings.Contains(out, "uid=1(daemon) gid=1(daemon)") { c.Fatalf("expected daemon user got %s", out) } } func (s *DockerSuite) TestRunUserByIDBig(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-u", "2147483648", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal("No error, but must be.", out) } if !strings.Contains(out, "Uids and gids must be in range") { c.Fatalf("expected error about uids range, got %s", out) } } func (s *DockerSuite) TestRunUserByIDNegative(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-u", "-1", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal("No error, but must be.", out) } if !strings.Contains(out, "Uids and gids must be in range") { c.Fatalf("expected error about uids range, got %s", out) } } func (s *DockerSuite) TestRunUserByIDZero(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-u", "0", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if !strings.Contains(out, "uid=0(root) gid=0(root) groups=10(wheel)") { c.Fatalf("expected daemon user got %s", out) } } func (s *DockerSuite) TestRunUserNotFound(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-u", "notme", "busybox", "id") _, err := runCommand(cmd) if err == nil { c.Fatal("unknown user should cause container to fail") } } func (s *DockerSuite) TestRunTwoConcurrentContainers(c *check.C) { group := sync.WaitGroup{} group.Add(2) errChan := make(chan error, 2) for i := 0; i < 2; i++ { go func() { defer group.Done() cmd := exec.Command(dockerBinary, "run", "busybox", "sleep", "2") _, err := runCommand(cmd) errChan <- err }() } group.Wait() close(errChan) for err := range errChan { c.Assert(err, check.IsNil) } } func (s *DockerSuite) TestRunEnvironment(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-h", "testing", "-e=FALSE=true", "-e=TRUE", "-e=TRICKY", "-e=HOME=", "busybox", "env") cmd.Env = append(os.Environ(), "TRUE=false", "TRICKY=tri\ncky\n", ) out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n") actualEnv := []string{} for i := range actualEnvLxc { if actualEnvLxc[i] != "container=lxc" { actualEnv = append(actualEnv, actualEnvLxc[i]) } } sort.Strings(actualEnv) goodEnv := []string{ "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "HOSTNAME=testing", "FALSE=true", "TRUE=false", "TRICKY=tri", "cky", "", "HOME=/root", } sort.Strings(goodEnv) if len(goodEnv) != len(actualEnv) { c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", ")) } for i := range goodEnv { if actualEnv[i] != goodEnv[i] { c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i]) } } } func (s *DockerSuite) TestRunEnvironmentErase(c *check.C) { // Test to make sure that when we use -e on env vars that are // not set in our local env that they're removed (if present) in // the container cmd := exec.Command(dockerBinary, "run", "-e", "FOO", "-e", "HOSTNAME", "busybox", "env") cmd.Env = appendBaseEnv([]string{}) out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n") actualEnv := []string{} for i := range actualEnvLxc { if actualEnvLxc[i] != "container=lxc" { actualEnv = append(actualEnv, actualEnvLxc[i]) } } sort.Strings(actualEnv) goodEnv := []string{ "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "HOME=/root", } sort.Strings(goodEnv) if len(goodEnv) != len(actualEnv) { c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", ")) } for i := range goodEnv { if actualEnv[i] != goodEnv[i] { c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i]) } } } func (s *DockerSuite) TestRunEnvironmentOverride(c *check.C) { // Test to make sure that when we use -e on env vars that are // already in the env that we're overriding them cmd := exec.Command(dockerBinary, "run", "-e", "HOSTNAME", "-e", "HOME=/root2", "busybox", "env") cmd.Env = appendBaseEnv([]string{"HOSTNAME=bar"}) out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } actualEnvLxc := strings.Split(strings.TrimSpace(out), "\n") actualEnv := []string{} for i := range actualEnvLxc { if actualEnvLxc[i] != "container=lxc" { actualEnv = append(actualEnv, actualEnvLxc[i]) } } sort.Strings(actualEnv) goodEnv := []string{ "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin", "HOME=/root2", "HOSTNAME=bar", } sort.Strings(goodEnv) if len(goodEnv) != len(actualEnv) { c.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", ")) } for i := range goodEnv { if actualEnv[i] != goodEnv[i] { c.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i]) } } } func (s *DockerSuite) TestRunContainerNetwork(c *check.C) { cmd := exec.Command(dockerBinary, "run", "busybox", "ping", "-c", "1", "127.0.0.1") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } } // Issue #4681 func (s *DockerSuite) TestRunLoopbackWhenNetworkDisabled(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "127.0.0.1") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } } func (s *DockerSuite) TestRunNetHostNotAllowedWithLinks(c *check.C) { out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--name", "linked", "busybox", "true")) if err != nil { c.Fatalf("Failed with errors: %s, %v", out, err) } cmd := exec.Command(dockerBinary, "run", "--net=host", "--link", "linked:linked", "busybox", "true") _, _, err = runCommandWithOutput(cmd) if err == nil { c.Fatal("Expected error") } } func (s *DockerSuite) TestRunLoopbackOnlyExistsWhenNetworkingDisabled(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ip", "-o", "-4", "a", "show", "up") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } var ( count = 0 parts = strings.Split(out, "\n") ) for _, l := range parts { if l != "" { count++ } } if count != 1 { c.Fatalf("Wrong interface count in container %d", count) } if !strings.HasPrefix(out, "1: lo") { c.Fatalf("Wrong interface in test container: expected [1: lo], got %s", out) } } // #7851 hostname outside container shows FQDN, inside only shortname // For testing purposes it is not required to set host's hostname directly // and use "--net=host" (as the original issue submitter did), as the same // codepath is executed with "docker run -h ". Both were manually // tested, but this testcase takes the simpler path of using "run -h .." func (s *DockerSuite) TestRunFullHostnameSet(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-h", "foo.bar.baz", "busybox", "hostname") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "foo.bar.baz" { c.Fatalf("expected hostname 'foo.bar.baz', received %s", actual) } } func (s *DockerSuite) TestRunPrivilegedCanMknod(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { c.Fatalf("expected output ok received %s", actual) } } func (s *DockerSuite) TestRunUnPrivilegedCanMknod(c *check.C) { cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { c.Fatalf("expected output ok received %s", actual) } } func (s *DockerSuite) TestRunCapDropInvalid(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cap-drop=CHPASS", "busybox", "ls") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal(err, out) } } func (s *DockerSuite) TestRunCapDropCannotMknod(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cap-drop=MKNOD", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual == "ok" { c.Fatalf("expected output not ok received %s", actual) } } func (s *DockerSuite) TestRunCapDropCannotMknodLowerCase(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cap-drop=mknod", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual == "ok" { c.Fatalf("expected output not ok received %s", actual) } } func (s *DockerSuite) TestRunCapDropALLCannotMknod(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual == "ok" { c.Fatalf("expected output not ok received %s", actual) } } func (s *DockerSuite) TestRunCapDropALLAddMknodCanMknod(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=MKNOD", "--cap-add=SETGID", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { c.Fatalf("expected output ok received %s", actual) } } func (s *DockerSuite) TestRunCapAddInvalid(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cap-add=CHPASS", "busybox", "ls") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal(err, out) } } func (s *DockerSuite) TestRunCapAddCanDownInterface(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cap-add=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { c.Fatalf("expected output ok received %s", actual) } } func (s *DockerSuite) TestRunCapAddALLCanDownInterface(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cap-add=ALL", "busybox", "sh", "-c", "ip link set eth0 down && echo ok") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { c.Fatalf("expected output ok received %s", actual) } } func (s *DockerSuite) TestRunCapAddALLDropNetAdminCanDownInterface(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cap-add=ALL", "--cap-drop=NET_ADMIN", "busybox", "sh", "-c", "ip link set eth0 down && echo ok") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual == "ok" { c.Fatalf("expected output not ok received %s", actual) } } func (s *DockerSuite) TestRunPrivilegedCanMount(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { c.Fatalf("expected output ok received %s", actual) } } func (s *DockerSuite) TestRunUnPrivilegedCannotMount(c *check.C) { cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual == "ok" { c.Fatalf("expected output not ok received %s", actual) } } func (s *DockerSuite) TestRunSysNotWritableInNonPrivilegedContainers(c *check.C) { cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/sys/kernel/profiling") if code, err := runCommand(cmd); err == nil || code == 0 { c.Fatal("sys should not be writable in a non privileged container") } } func (s *DockerSuite) TestRunSysWritableInPrivilegedContainers(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/sys/kernel/profiling") if code, err := runCommand(cmd); err != nil || code != 0 { c.Fatalf("sys should be writable in privileged container") } } func (s *DockerSuite) TestRunProcNotWritableInNonPrivilegedContainers(c *check.C) { cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/proc/sysrq-trigger") if code, err := runCommand(cmd); err == nil || code == 0 { c.Fatal("proc should not be writable in a non privileged container") } } func (s *DockerSuite) TestRunProcWritableInPrivilegedContainers(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/proc/sysrq-trigger") if code, err := runCommand(cmd); err != nil || code != 0 { c.Fatalf("proc should be writable in privileged container") } } func (s *DockerSuite) TestRunWithCpuset(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cpuset", "0", "busybox", "true") if code, err := runCommand(cmd); err != nil || code != 0 { c.Fatalf("container should run successfully with cpuset of 0: %s", err) } } func (s *DockerSuite) TestRunWithCpusetCpus(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cpuset-cpus", "0", "busybox", "true") if code, err := runCommand(cmd); err != nil || code != 0 { c.Fatalf("container should run successfully with cpuset-cpus of 0: %s", err) } } func (s *DockerSuite) TestRunWithCpusetMems(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--cpuset-mems", "0", "busybox", "true") if code, err := runCommand(cmd); err != nil || code != 0 { c.Fatalf("container should run successfully with cpuset-mems of 0: %s", err) } } func (s *DockerSuite) TestRunDeviceNumbers(c *check.C) { cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "ls -l /dev/null") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } deviceLineFields := strings.Fields(out) deviceLineFields[6] = "" deviceLineFields[7] = "" deviceLineFields[8] = "" expected := []string{"crw-rw-rw-", "1", "root", "root", "1,", "3", "", "", "", "/dev/null"} if !(reflect.DeepEqual(deviceLineFields, expected)) { c.Fatalf("expected output\ncrw-rw-rw- 1 root root 1, 3 May 24 13:29 /dev/null\n received\n %s\n", out) } } func (s *DockerSuite) TestRunThatCharacterDevicesActLikeCharacterDevices(c *check.C) { cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "dd if=/dev/zero of=/zero bs=1k count=5 2> /dev/null ; du -h /zero") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual[0] == '0' { c.Fatalf("expected a new file called /zero to be create that is greater than 0 bytes long, but du says: %s", actual) } } func (s *DockerSuite) TestRunUnprivilegedWithChroot(c *check.C) { cmd := exec.Command(dockerBinary, "run", "busybox", "chroot", "/", "true") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } } func (s *DockerSuite) TestRunAddingOptionalDevices(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--device", "/dev/zero:/dev/nulo", "busybox", "sh", "-c", "ls /dev/nulo") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "/dev/nulo" { c.Fatalf("expected output /dev/nulo, received %s", actual) } } func (s *DockerSuite) TestRunModeHostname(c *check.C) { testRequires(c, SameHostDaemon) cmd := exec.Command(dockerBinary, "run", "-h=testhostname", "busybox", "cat", "/etc/hostname") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "testhostname" { c.Fatalf("expected 'testhostname', but says: %q", actual) } cmd = exec.Command(dockerBinary, "run", "--net=host", "busybox", "cat", "/etc/hostname") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } hostname, err := os.Hostname() if err != nil { c.Fatal(err) } if actual := strings.Trim(out, "\r\n"); actual != hostname { c.Fatalf("expected %q, but says: %q", hostname, actual) } } func (s *DockerSuite) TestRunRootWorkdir(c *check.C) { out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--workdir", "/", "busybox", "pwd")) if err != nil { c.Fatalf("Failed with errors: %s, %v", out, err) } if out != "/\n" { c.Fatalf("pwd returned %q (expected /\\n)", s) } } func (s *DockerSuite) TestRunAllowBindMountingRoot(c *check.C) { out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-v", "/:/host", "busybox", "ls", "/host")) if err != nil { c.Fatalf("Failed with errors: %s, %v", out, err) } } func (s *DockerSuite) TestRunDisallowBindMountingRootToRoot(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-v", "/:/", "busybox", "ls", "/host") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal(out, err) } } // Verify that a container gets default DNS when only localhost resolvers exist func (s *DockerSuite) TestRunDnsDefaultOptions(c *check.C) { testRequires(c, SameHostDaemon) // preserve original resolv.conf for restoring after test origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf") if os.IsNotExist(err) { c.Fatalf("/etc/resolv.conf does not exist") } // defer restored original conf defer func() { if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil { c.Fatal(err) } }() // test 3 cases: standard IPv4 localhost, commented out localhost, and IPv6 localhost // 2 are removed from the file at container start, and the 3rd (commented out) one is ignored by // GetNameservers(), leading to a replacement of nameservers with the default set tmpResolvConf := []byte("nameserver 127.0.0.1\n#nameserver 127.0.2.1\nnameserver ::1") if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil { c.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf") actual, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, actual) } // check that the actual defaults are appended to the commented out // localhost resolver (which should be preserved) // NOTE: if we ever change the defaults from google dns, this will break expected := "#nameserver 127.0.2.1\n\nnameserver 8.8.8.8\nnameserver 8.8.4.4" if actual != expected { c.Fatalf("expected resolv.conf be: %q, but was: %q", expected, actual) } } func (s *DockerSuite) TestRunDnsOptions(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf") out, stderr, _, err := runCommandWithStdoutStderr(cmd) if err != nil { c.Fatal(err, out) } // The client will get a warning on stderr when setting DNS to a localhost address; verify this: if !strings.Contains(stderr, "Localhost DNS setting") { c.Fatalf("Expected warning on stderr about localhost resolver, but got %q", stderr) } actual := strings.Replace(strings.Trim(out, "\r\n"), "\n", " ", -1) if actual != "nameserver 127.0.0.1 search mydomain" { c.Fatalf("expected 'nameserver 127.0.0.1 search mydomain', but says: %q", actual) } cmd = exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=.", "busybox", "cat", "/etc/resolv.conf") out, _, _, err = runCommandWithStdoutStderr(cmd) if err != nil { c.Fatal(err, out) } actual = strings.Replace(strings.Trim(strings.Trim(out, "\r\n"), " "), "\n", " ", -1) if actual != "nameserver 127.0.0.1" { c.Fatalf("expected 'nameserver 127.0.0.1', but says: %q", actual) } } func (s *DockerSuite) TestRunDnsOptionsBasedOnHostResolvConf(c *check.C) { testRequires(c, SameHostDaemon) origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf") if os.IsNotExist(err) { c.Fatalf("/etc/resolv.conf does not exist") } hostNamservers := resolvconf.GetNameservers(origResolvConf) hostSearch := resolvconf.GetSearchDomains(origResolvConf) var out string cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "busybox", "cat", "/etc/resolv.conf") if out, _, _, err = runCommandWithStdoutStderr(cmd); err != nil { c.Fatal(err, out) } if actualNameservers := resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "127.0.0.1" { c.Fatalf("expected '127.0.0.1', but says: %q", string(actualNameservers[0])) } actualSearch := resolvconf.GetSearchDomains([]byte(out)) if len(actualSearch) != len(hostSearch) { c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch)) } for i := range actualSearch { if actualSearch[i] != hostSearch[i] { c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i]) } } cmd = exec.Command(dockerBinary, "run", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf") if out, _, err = runCommandWithOutput(cmd); err != nil { c.Fatal(err, out) } actualNameservers := resolvconf.GetNameservers([]byte(out)) if len(actualNameservers) != len(hostNamservers) { c.Fatalf("expected %q nameserver(s), but it has: %q", len(hostNamservers), len(actualNameservers)) } for i := range actualNameservers { if actualNameservers[i] != hostNamservers[i] { c.Fatalf("expected %q nameserver, but says: %q", actualNameservers[i], hostNamservers[i]) } } if actualSearch = resolvconf.GetSearchDomains([]byte(out)); string(actualSearch[0]) != "mydomain" { c.Fatalf("expected 'mydomain', but says: %q", string(actualSearch[0])) } // test with file tmpResolvConf := []byte("search example.com\nnameserver 12.34.56.78\nnameserver 127.0.0.1") if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil { c.Fatal(err) } // put the old resolvconf back defer func() { if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil { c.Fatal(err) } }() resolvConf, err := ioutil.ReadFile("/etc/resolv.conf") if os.IsNotExist(err) { c.Fatalf("/etc/resolv.conf does not exist") } hostNamservers = resolvconf.GetNameservers(resolvConf) hostSearch = resolvconf.GetSearchDomains(resolvConf) cmd = exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf") if out, _, err = runCommandWithOutput(cmd); err != nil { c.Fatal(err, out) } if actualNameservers = resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "12.34.56.78" || len(actualNameservers) != 1 { c.Fatalf("expected '12.34.56.78', but has: %v", actualNameservers) } actualSearch = resolvconf.GetSearchDomains([]byte(out)) if len(actualSearch) != len(hostSearch) { c.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch)) } for i := range actualSearch { if actualSearch[i] != hostSearch[i] { c.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i]) } } } // Test the file watch notifier on docker host's /etc/resolv.conf // A go-routine is responsible for auto-updating containers which are // stopped and have an unmodified copy of resolv.conf, as well as // marking running containers as requiring an update on next restart func (s *DockerSuite) TestRunResolvconfUpdater(c *check.C) { // Because overlay doesn't support inotify properly, we need to skip // this test if the docker daemon has Storage Driver == overlay testRequires(c, SameHostDaemon, NotOverlay) tmpResolvConf := []byte("search pommesfrites.fr\nnameserver 12.34.56.78") tmpLocalhostResolvConf := []byte("nameserver 127.0.0.1") //take a copy of resolv.conf for restoring after test completes resolvConfSystem, err := ioutil.ReadFile("/etc/resolv.conf") if err != nil { c.Fatal(err) } // This test case is meant to test monitoring resolv.conf when it is // a regular file not a bind mounc. So we unmount resolv.conf and replace // it with a file containing the original settings. cmd := exec.Command("umount", "/etc/resolv.conf") if _, err = runCommand(cmd); err != nil { c.Fatal(err) } //cleanup defer func() { if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil { c.Fatal(err) } }() //1. test that a non-running container gets an updated resolv.conf cmd = exec.Command(dockerBinary, "run", "--name='first'", "busybox", "true") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } containerID1, err := getIDByName("first") if err != nil { c.Fatal(err) } // replace resolv.conf with our temporary copy bytesResolvConf := []byte(tmpResolvConf) if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil { c.Fatal(err) } time.Sleep(time.Second / 2) // check for update in container containerResolv, err := readContainerFile(containerID1, "resolv.conf") if err != nil { c.Fatal(err) } if !bytes.Equal(containerResolv, bytesResolvConf) { c.Fatalf("Stopped container does not have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv)) } //2. test that a non-running container does not receive resolv.conf updates // if it modified the container copy of the starting point resolv.conf cmd = exec.Command(dockerBinary, "run", "--name='second'", "busybox", "sh", "-c", "echo 'search mylittlepony.com' >>/etc/resolv.conf") if _, err = runCommand(cmd); err != nil { c.Fatal(err) } containerID2, err := getIDByName("second") if err != nil { c.Fatal(err) } containerResolvHashBefore, err := readContainerFile(containerID2, "resolv.conf.hash") if err != nil { c.Fatal(err) } //make a change to resolv.conf (in this case replacing our tmp copy with orig copy) if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil { c.Fatal(err) } time.Sleep(time.Second / 2) containerResolvHashAfter, err := readContainerFile(containerID2, "resolv.conf.hash") if err != nil { c.Fatal(err) } if !bytes.Equal(containerResolvHashBefore, containerResolvHashAfter) { c.Fatalf("Stopped container with modified resolv.conf should not have been updated; expected hash: %v, new hash: %v", containerResolvHashBefore, containerResolvHashAfter) } //3. test that a running container's resolv.conf is not modified while running cmd = exec.Command(dockerBinary, "run", "-d", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err) } runningContainerID := strings.TrimSpace(out) containerResolvHashBefore, err = readContainerFile(runningContainerID, "resolv.conf.hash") if err != nil { c.Fatal(err) } // replace resolv.conf if err := ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil { c.Fatal(err) } // make sure the updater has time to run to validate we really aren't // getting updated time.Sleep(time.Second / 2) containerResolvHashAfter, err = readContainerFile(runningContainerID, "resolv.conf.hash") if err != nil { c.Fatal(err) } if !bytes.Equal(containerResolvHashBefore, containerResolvHashAfter) { c.Fatalf("Running container's resolv.conf should not be updated; expected hash: %v, new hash: %v", containerResolvHashBefore, containerResolvHashAfter) } //4. test that a running container's resolv.conf is updated upon restart // (the above container is still running..) cmd = exec.Command(dockerBinary, "restart", runningContainerID) if _, err = runCommand(cmd); err != nil { c.Fatal(err) } // check for update in container containerResolv, err = readContainerFile(runningContainerID, "resolv.conf") if err != nil { c.Fatal(err) } if !bytes.Equal(containerResolv, bytesResolvConf) { c.Fatalf("Restarted container should have updated resolv.conf; expected %q, got %q", tmpResolvConf, string(containerResolv)) } //5. test that additions of a localhost resolver are cleaned from // host resolv.conf before updating container's resolv.conf copies // replace resolv.conf with a localhost-only nameserver copy bytesResolvConf = []byte(tmpLocalhostResolvConf) if err = ioutil.WriteFile("/etc/resolv.conf", bytesResolvConf, 0644); err != nil { c.Fatal(err) } time.Sleep(time.Second / 2) // our first exited container ID should have been updated, but with default DNS // after the cleanup of resolv.conf found only a localhost nameserver: containerResolv, err = readContainerFile(containerID1, "resolv.conf") if err != nil { c.Fatal(err) } expected := "\nnameserver 8.8.8.8\nnameserver 8.8.4.4" if !bytes.Equal(containerResolv, []byte(expected)) { c.Fatalf("Container does not have cleaned/replaced DNS in resolv.conf; expected %q, got %q", expected, string(containerResolv)) } //6. Test that replacing (as opposed to modifying) resolv.conf triggers an update // of containers' resolv.conf. // Restore the original resolv.conf if err := ioutil.WriteFile("/etc/resolv.conf", resolvConfSystem, 0644); err != nil { c.Fatal(err) } // Run the container so it picks up the old settings cmd = exec.Command(dockerBinary, "run", "--name='third'", "busybox", "true") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } containerID3, err := getIDByName("third") if err != nil { c.Fatal(err) } // Create a modified resolv.conf.aside and override resolv.conf with it bytesResolvConf = []byte(tmpResolvConf) if err := ioutil.WriteFile("/etc/resolv.conf.aside", bytesResolvConf, 0644); err != nil { c.Fatal(err) } err = os.Rename("/etc/resolv.conf.aside", "/etc/resolv.conf") if err != nil { c.Fatal(err) } time.Sleep(time.Second / 2) // check for update in container containerResolv, err = readContainerFile(containerID3, "resolv.conf") if err != nil { c.Fatal(err) } if !bytes.Equal(containerResolv, bytesResolvConf) { c.Fatalf("Stopped container does not have updated resolv.conf; expected\n%q\n got\n%q", tmpResolvConf, string(containerResolv)) } //cleanup, restore original resolv.conf happens in defer func() } func (s *DockerSuite) TestRunAddHost(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--add-host=extra:86.75.30.9", "busybox", "grep", "extra", "/etc/hosts") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } actual := strings.Trim(out, "\r\n") if actual != "86.75.30.9\textra" { c.Fatalf("expected '86.75.30.9\textra', but says: %q", actual) } } // Regression test for #6983 func (s *DockerSuite) TestRunAttachStdErrOnlyTTYMode(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stderr", "busybox", "true") exitCode, err := runCommand(cmd) if err != nil { c.Fatal(err) } else if exitCode != 0 { c.Fatalf("Container should have exited with error code 0") } } // Regression test for #6983 func (s *DockerSuite) TestRunAttachStdOutOnlyTTYMode(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "busybox", "true") exitCode, err := runCommand(cmd) if err != nil { c.Fatal(err) } else if exitCode != 0 { c.Fatalf("Container should have exited with error code 0") } } // Regression test for #6983 func (s *DockerSuite) TestRunAttachStdOutAndErrTTYMode(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "-a", "stderr", "busybox", "true") exitCode, err := runCommand(cmd) if err != nil { c.Fatal(err) } else if exitCode != 0 { c.Fatalf("Container should have exited with error code 0") } } // Test for #10388 - this will run the same test as TestRunAttachStdOutAndErrTTYMode // but using --attach instead of -a to make sure we read the flag correctly func (s *DockerSuite) TestRunAttachWithDettach(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-d", "--attach", "stdout", "busybox", "true") _, stderr, _, err := runCommandWithStdoutStderr(cmd) if err == nil { c.Fatal("Container should have exited with error code different than 0") } else if !strings.Contains(stderr, "Conflicting options: -a and -d") { c.Fatal("Should have been returned an error with conflicting options -a and -d") } } func (s *DockerSuite) TestRunState(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } id := strings.TrimSpace(out) state, err := inspectField(id, "State.Running") if err != nil { c.Fatal(err) } if state != "true" { c.Fatal("Container state is 'not running'") } pid1, err := inspectField(id, "State.Pid") if err != nil { c.Fatal(err) } if pid1 == "0" { c.Fatal("Container state Pid 0") } cmd = exec.Command(dockerBinary, "stop", id) out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } state, err = inspectField(id, "State.Running") if err != nil { c.Fatal(err) } if state != "false" { c.Fatal("Container state is 'running'") } pid2, err := inspectField(id, "State.Pid") if err != nil { c.Fatal(err) } if pid2 == pid1 { c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1) } cmd = exec.Command(dockerBinary, "start", id) out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } state, err = inspectField(id, "State.Running") if err != nil { c.Fatal(err) } if state != "true" { c.Fatal("Container state is 'not running'") } pid3, err := inspectField(id, "State.Pid") if err != nil { c.Fatal(err) } if pid3 == pid1 { c.Fatalf("Container state Pid %s, but expected %s", pid2, pid1) } } // Test for #1737 func (s *DockerSuite) TestRunCopyVolumeUidGid(c *check.C) { name := "testrunvolumesuidgid" _, err := buildImage(name, `FROM busybox RUN echo 'dockerio:x:1001:1001::/bin:/bin/false' >> /etc/passwd RUN echo 'dockerio:x:1001:' >> /etc/group RUN mkdir -p /hello && touch /hello/test && chown dockerio.dockerio /hello`, true) if err != nil { c.Fatal(err) } // Test that the uid and gid is copied from the image to the volume cmd := exec.Command(dockerBinary, "run", "--rm", "-v", "/hello", name, "sh", "-c", "ls -l / | grep hello | awk '{print $3\":\"$4}'") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } out = strings.TrimSpace(out) if out != "dockerio:dockerio" { c.Fatalf("Wrong /hello ownership: %s, expected dockerio:dockerio", out) } } // Test for #1582 func (s *DockerSuite) TestRunCopyVolumeContent(c *check.C) { name := "testruncopyvolumecontent" _, err := buildImage(name, `FROM busybox RUN mkdir -p /hello/local && echo hello > /hello/local/world`, true) if err != nil { c.Fatal(err) } // Test that the content is copied from the image to the volume cmd := exec.Command(dockerBinary, "run", "--rm", "-v", "/hello", name, "find", "/hello") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if !(strings.Contains(out, "/hello/local/world") && strings.Contains(out, "/hello/local")) { c.Fatal("Container failed to transfer content to volume") } } func (s *DockerSuite) TestRunCleanupCmdOnEntrypoint(c *check.C) { name := "testrunmdcleanuponentrypoint" if _, err := buildImage(name, `FROM busybox ENTRYPOINT ["echo"] CMD ["testingpoint"]`, true); err != nil { c.Fatal(err) } runCmd := exec.Command(dockerBinary, "run", "--entrypoint", "whoami", name) out, exit, err := runCommandWithOutput(runCmd) if err != nil { c.Fatalf("Error: %v, out: %q", err, out) } if exit != 0 { c.Fatalf("expected exit code 0 received %d, out: %q", exit, out) } out = strings.TrimSpace(out) if out != "root" { c.Fatalf("Expected output root, got %q", out) } } // TestRunWorkdirExistsAndIsFile checks that if 'docker run -w' with existing file can be detected func (s *DockerSuite) TestRunWorkdirExistsAndIsFile(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-w", "/bin/cat", "busybox") out, exit, err := runCommandWithOutput(runCmd) if !(err != nil && exit == 1 && strings.Contains(out, "Cannot mkdir: /bin/cat is not a directory")) { c.Fatalf("Docker must complains about making dir, but we got out: %s, exit: %d, err: %s", out, exit, err) } } func (s *DockerSuite) TestRunExitOnStdinClose(c *check.C) { name := "testrunexitonstdinclose" runCmd := exec.Command(dockerBinary, "run", "--name", name, "-i", "busybox", "/bin/cat") stdin, err := runCmd.StdinPipe() if err != nil { c.Fatal(err) } stdout, err := runCmd.StdoutPipe() if err != nil { c.Fatal(err) } if err := runCmd.Start(); err != nil { c.Fatal(err) } if _, err := stdin.Write([]byte("hello\n")); err != nil { c.Fatal(err) } r := bufio.NewReader(stdout) line, err := r.ReadString('\n') if err != nil { c.Fatal(err) } line = strings.TrimSpace(line) if line != "hello" { c.Fatalf("Output should be 'hello', got '%q'", line) } if err := stdin.Close(); err != nil { c.Fatal(err) } finish := make(chan error) go func() { finish <- runCmd.Wait() close(finish) }() select { case err := <-finish: c.Assert(err, check.IsNil) case <-time.After(1 * time.Second): c.Fatal("docker run failed to exit on stdin close") } state, err := inspectField(name, "State.Running") c.Assert(err, check.IsNil) if state != "false" { c.Fatal("Container must be stopped after stdin closing") } } // Test for #2267 func (s *DockerSuite) TestRunWriteHostsFileAndNotCommit(c *check.C) { name := "writehosts" cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hosts && cat /etc/hosts") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if !strings.Contains(out, "test2267") { c.Fatal("/etc/hosts should contain 'test2267'") } cmd = exec.Command(dockerBinary, "diff", name) if err != nil { c.Fatal(err, out) } out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) { c.Fatal("diff should be empty") } } func eqToBaseDiff(out string, c *check.C) bool { cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "echo", "hello") out1, _, err := runCommandWithOutput(cmd) cID := strings.TrimSpace(out1) cmd = exec.Command(dockerBinary, "diff", cID) baseDiff, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, baseDiff) } baseArr := strings.Split(baseDiff, "\n") sort.Strings(baseArr) outArr := strings.Split(out, "\n") sort.Strings(outArr) return sliceEq(baseArr, outArr) } func sliceEq(a, b []string) bool { if len(a) != len(b) { return false } for i := range a { if a[i] != b[i] { return false } } return true } // Test for #2267 func (s *DockerSuite) TestRunWriteHostnameFileAndNotCommit(c *check.C) { name := "writehostname" cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/hostname && cat /etc/hostname") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if !strings.Contains(out, "test2267") { c.Fatal("/etc/hostname should contain 'test2267'") } cmd = exec.Command(dockerBinary, "diff", name) if err != nil { c.Fatal(err, out) } out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) { c.Fatal("diff should be empty") } } // Test for #2267 func (s *DockerSuite) TestRunWriteResolvFileAndNotCommit(c *check.C) { name := "writeresolv" cmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "sh", "-c", "echo test2267 >> /etc/resolv.conf && cat /etc/resolv.conf") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if !strings.Contains(out, "test2267") { c.Fatal("/etc/resolv.conf should contain 'test2267'") } cmd = exec.Command(dockerBinary, "diff", name) if err != nil { c.Fatal(err, out) } out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if len(strings.Trim(out, "\r\n")) != 0 && !eqToBaseDiff(out, c) { c.Fatal("diff should be empty") } } func (s *DockerSuite) TestRunWithBadDevice(c *check.C) { name := "baddevice" cmd := exec.Command(dockerBinary, "run", "--name", name, "--device", "/etc", "busybox", "true") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatal("Run should fail with bad device") } expected := `\"/etc\": not a device node` if !strings.Contains(out, expected) { c.Fatalf("Output should contain %q, actual out: %q", expected, out) } } func (s *DockerSuite) TestRunEntrypoint(c *check.C) { name := "entrypoint" cmd := exec.Command(dockerBinary, "run", "--name", name, "--entrypoint", "/bin/echo", "busybox", "-n", "foobar") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } expected := "foobar" if out != expected { c.Fatalf("Output should be %q, actual out: %q", expected, out) } } func (s *DockerSuite) TestRunBindMounts(c *check.C) { testRequires(c, SameHostDaemon) tmpDir, err := ioutil.TempDir("", "docker-test-container") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir) writeFile(path.Join(tmpDir, "touch-me"), "", c) // Test reading from a read-only bind mount cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox", "ls", "/tmp") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } if !strings.Contains(out, "touch-me") { c.Fatal("Container failed to read from bind mount") } // test writing to bind mount cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp:rw", tmpDir), "busybox", "touch", "/tmp/holla") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist // test mounting to an illegal destination directory cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:.", tmpDir), "busybox", "ls", ".") _, err = runCommand(cmd) if err == nil { c.Fatal("Container bind mounted illegal directory") } // test mount a file cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s/holla:/tmp/holla:rw", tmpDir), "busybox", "sh", "-c", "echo -n 'yotta' > /tmp/holla") _, err = runCommand(cmd) if err != nil { c.Fatal(err, out) } content := readFile(path.Join(tmpDir, "holla"), c) // Will fail if the file doesn't exist expected := "yotta" if content != expected { c.Fatalf("Output should be %q, actual out: %q", expected, content) } } // Ensure that CIDFile gets deleted if it's empty // Perform this test by making `docker run` fail func (s *DockerSuite) TestRunCidFileCleanupIfEmpty(c *check.C) { tmpDir, err := ioutil.TempDir("", "TestRunCidFile") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir) tmpCidFile := path.Join(tmpDir, "cid") cmd := exec.Command(dockerBinary, "run", "--cidfile", tmpCidFile, "emptyfs") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatalf("Run without command must fail. out=%s", out) } else if !strings.Contains(out, "No command specified") { c.Fatalf("Run without command failed with wrong output. out=%s\nerr=%v", out, err) } if _, err := os.Stat(tmpCidFile); err == nil { c.Fatalf("empty CIDFile %q should've been deleted", tmpCidFile) } } // #2098 - Docker cidFiles only contain short version of the containerId //sudo docker run --cidfile /tmp/docker_tesc.cid ubuntu echo "test" // TestRunCidFile tests that run --cidfile returns the longid func (s *DockerSuite) TestRunCidFileCheckIDLength(c *check.C) { tmpDir, err := ioutil.TempDir("", "TestRunCidFile") if err != nil { c.Fatal(err) } tmpCidFile := path.Join(tmpDir, "cid") defer os.RemoveAll(tmpDir) cmd := exec.Command(dockerBinary, "run", "-d", "--cidfile", tmpCidFile, "busybox", "true") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err) } id := strings.TrimSpace(out) buffer, err := ioutil.ReadFile(tmpCidFile) if err != nil { c.Fatal(err) } cid := string(buffer) if len(cid) != 64 { c.Fatalf("--cidfile should be a long id, not %q", id) } if cid != id { c.Fatalf("cid must be equal to %s, got %s", id, cid) } } func (s *DockerSuite) TestRunNetworkNotInitializedNoneMode(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-d", "--net=none", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err) } id := strings.TrimSpace(out) res, err := inspectField(id, "NetworkSettings.IPAddress") if err != nil { c.Fatal(err) } if res != "" { c.Fatalf("For 'none' mode network must not be initialized, but container got IP: %s", res) } } func (s *DockerSuite) TestRunSetMacAddress(c *check.C) { mac := "12:34:56:78:9a:bc" cmd := exec.Command(dockerBinary, "run", "-i", "--rm", fmt.Sprintf("--mac-address=%s", mac), "busybox", "/bin/sh", "-c", "ip link show eth0 | tail -1 | awk '{print $2}'") out, ec, err := runCommandWithOutput(cmd) if err != nil { c.Fatalf("exec failed:\nexit code=%v\noutput=%s", ec, out) } actualMac := strings.TrimSpace(out) if actualMac != mac { c.Fatalf("Set MAC address with --mac-address failed. The container has an incorrect MAC address: %q, expected: %q", actualMac, mac) } } func (s *DockerSuite) TestRunInspectMacAddress(c *check.C) { mac := "12:34:56:78:9a:bc" cmd := exec.Command(dockerBinary, "run", "-d", "--mac-address="+mac, "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err) } id := strings.TrimSpace(out) inspectedMac, err := inspectField(id, "NetworkSettings.MacAddress") if err != nil { c.Fatal(err) } if inspectedMac != mac { c.Fatalf("docker inspect outputs wrong MAC address: %q, should be: %q", inspectedMac, mac) } } // test docker run use a invalid mac address func (s *DockerSuite) TestRunWithInvalidMacAddress(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "--mac-address", "92:d0:c6:0a:29", "busybox") out, _, err := runCommandWithOutput(runCmd) //use a invalid mac address should with a error out if err == nil || !strings.Contains(out, "is not a valid mac address") { c.Fatalf("run with an invalid --mac-address should with error out") } } func (s *DockerSuite) TestRunDeallocatePortOnMissingIptablesRule(c *check.C) { testRequires(c, SameHostDaemon) cmd := exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err) } id := strings.TrimSpace(out) ip, err := inspectField(id, "NetworkSettings.IPAddress") if err != nil { c.Fatal(err) } iptCmd := exec.Command("iptables", "-D", "DOCKER", "-d", fmt.Sprintf("%s/32", ip), "!", "-i", "docker0", "-o", "docker0", "-p", "tcp", "-m", "tcp", "--dport", "23", "-j", "ACCEPT") out, _, err = runCommandWithOutput(iptCmd) if err != nil { c.Fatal(err, out) } if err := deleteContainer(id); err != nil { c.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } } func (s *DockerSuite) TestRunPortInUse(c *check.C) { testRequires(c, SameHostDaemon) port := "1234" l, err := net.Listen("tcp", ":"+port) if err != nil { c.Fatal(err) } defer l.Close() cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err == nil { c.Fatalf("Binding on used port must fail") } if !strings.Contains(out, "address already in use") { c.Fatalf("Out must be about \"address already in use\", got %s", out) } } // https://github.com/docker/docker/issues/8428 func (s *DockerSuite) TestRunPortProxy(c *check.C) { testRequires(c, SameHostDaemon) port := "12345" cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatalf("Failed to run and bind port %s, output: %s, error: %s", port, out, err) } // connett for 10 times here. This will trigger 10 EPIPES in the child // process and kill it when it writes to a closed stdout/stderr for i := 0; i < 10; i++ { net.Dial("tcp", fmt.Sprintf("0.0.0.0:%s", port)) } listPs := exec.Command("sh", "-c", "ps ax | grep docker") out, _, err = runCommandWithOutput(listPs) if err != nil { c.Errorf("list docker process failed with output %s, error %s", out, err) } if strings.Contains(out, "docker ") { c.Errorf("Unexpected defunct docker process") } if !strings.Contains(out, "docker-proxy -proto tcp -host-ip 0.0.0.0 -host-port 12345") { c.Errorf("Failed to find docker-proxy process, got %s", out) } } // Regression test for #7792 func (s *DockerSuite) TestRunMountOrdering(c *check.C) { testRequires(c, SameHostDaemon) tmpDir, err := ioutil.TempDir("", "docker_nested_mount_test") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir) tmpDir2, err := ioutil.TempDir("", "docker_nested_mount_test2") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir2) // Create a temporary tmpfs mounc. fooDir := filepath.Join(tmpDir, "foo") if err := os.MkdirAll(filepath.Join(tmpDir, "foo"), 0755); err != nil { c.Fatalf("failed to mkdir at %s - %s", fooDir, err) } if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", fooDir), []byte{}, 0644); err != nil { c.Fatal(err) } if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir), []byte{}, 0644); err != nil { c.Fatal(err) } if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir2), []byte{}, 0644); err != nil { c.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp", tmpDir), "-v", fmt.Sprintf("%s:/tmp/foo", fooDir), "-v", fmt.Sprintf("%s:/tmp/tmp2", tmpDir2), "-v", fmt.Sprintf("%s:/tmp/tmp2/foo", fooDir), "busybox:latest", "sh", "-c", "ls /tmp/touch-me && ls /tmp/foo/touch-me && ls /tmp/tmp2/touch-me && ls /tmp/tmp2/foo/touch-me") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(out, err) } } // Regression test for https://github.com/docker/docker/issues/8259 func (s *DockerSuite) TestRunReuseBindVolumeThatIsSymlink(c *check.C) { testRequires(c, SameHostDaemon) tmpDir, err := ioutil.TempDir(os.TempDir(), "testlink") if err != nil { c.Fatal(err) } defer os.RemoveAll(tmpDir) linkPath := os.TempDir() + "/testlink2" if err := os.Symlink(tmpDir, linkPath); err != nil { c.Fatal(err) } defer os.RemoveAll(linkPath) // Create first container cmd := exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } // Create second container with same symlinked path // This will fail if the referenced issue is hit with a "Volume exists" error cmd = exec.Command(dockerBinary, "run", "-v", fmt.Sprintf("%s:/tmp/test", linkPath), "busybox", "ls", "-lh", "/tmp/test") if out, _, err := runCommandWithOutput(cmd); err != nil { c.Fatal(err, out) } } //GH#10604: Test an "/etc" volume doesn't overlay special bind mounts in container func (s *DockerSuite) TestRunCreateVolumeEtc(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "-v", "/etc", "busybox", "cat", "/etc/resolv.conf") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } if !strings.Contains(out, "nameserver 127.0.0.1") { c.Fatal("/etc volume mount hides /etc/resolv.conf") } cmd = exec.Command(dockerBinary, "run", "-h=test123", "-v", "/etc", "busybox", "cat", "/etc/hostname") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } if !strings.Contains(out, "test123") { c.Fatal("/etc volume mount hides /etc/hostname") } cmd = exec.Command(dockerBinary, "run", "--add-host=test:192.168.0.1", "-v", "/etc", "busybox", "cat", "/etc/hosts") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } out = strings.Replace(out, "\n", " ", -1) if !strings.Contains(out, "192.168.0.1\ttest") || !strings.Contains(out, "127.0.0.1\tlocalhost") { c.Fatal("/etc volume mount hides /etc/hosts") } } func (s *DockerSuite) TestVolumesNoCopyData(c *check.C) { if _, err := buildImage("dataimage", `FROM busybox RUN mkdir -p /foo RUN touch /foo/bar`, true); err != nil { c.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "--name", "test", "-v", "/foo", "busybox") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "test", "dataimage", "ls", "-lh", "/foo/bar") if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "No such file or directory") { c.Fatalf("Data was copied on volumes-from but shouldn't be:\n%q", out) } tmpDir := randomUnixTmpDirPath("docker_test_bind_mount_copy_data") cmd = exec.Command(dockerBinary, "run", "-v", tmpDir+":/foo", "dataimage", "ls", "-lh", "/foo/bar") if out, _, err := runCommandWithOutput(cmd); err == nil || !strings.Contains(out, "No such file or directory") { c.Fatalf("Data was copied on bind-mount but shouldn't be:\n%q", out) } } func (s *DockerSuite) TestRunVolumesNotRecreatedOnStart(c *check.C) { testRequires(c, SameHostDaemon) // Clear out any remnants from other tests info, err := ioutil.ReadDir(volumesConfigPath) if err != nil { c.Fatal(err) } if len(info) > 0 { for _, f := range info { if err := os.RemoveAll(volumesConfigPath + "/" + f.Name()); err != nil { c.Fatal(err) } } } cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "--name", "lone_starr", "busybox") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } cmd = exec.Command(dockerBinary, "start", "lone_starr") if _, err := runCommand(cmd); err != nil { c.Fatal(err) } info, err = ioutil.ReadDir(volumesConfigPath) if err != nil { c.Fatal(err) } if len(info) != 1 { c.Fatalf("Expected only 1 volume have %v", len(info)) } } func (s *DockerSuite) TestRunNoOutputFromPullInStdout(c *check.C) { // just run with unknown image cmd := exec.Command(dockerBinary, "run", "asdfsg") stdout := bytes.NewBuffer(nil) cmd.Stdout = stdout if err := cmd.Run(); err == nil { c.Fatal("Run with unknown image should fail") } if stdout.Len() != 0 { c.Fatalf("Stdout contains output from pull: %s", stdout) } } func (s *DockerSuite) TestRunVolumesCleanPaths(c *check.C) { if _, err := buildImage("run_volumes_clean_paths", `FROM busybox VOLUME /foo/`, true); err != nil { c.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "-v", "/bar/", "--name", "dark_helmet", "run_volumes_clean_paths") if out, _, err := runCommandWithOutput(cmd); err != nil { c.Fatal(err, out) } out, err := inspectFieldMap("dark_helmet", "Volumes", "/foo/") if err != nil { c.Fatal(err) } if out != "" { c.Fatalf("Found unexpected volume entry for '/foo/' in volumes\n%q", out) } out, err = inspectFieldMap("dark_helmet", "Volumes", "/foo") if err != nil { c.Fatal(err) } if !strings.Contains(out, volumesStoragePath) { c.Fatalf("Volume was not defined for /foo\n%q", out) } out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar/") if err != nil { c.Fatal(err) } if out != "" { c.Fatalf("Found unexpected volume entry for '/bar/' in volumes\n%q", out) } out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar") if err != nil { c.Fatal(err) } if !strings.Contains(out, volumesStoragePath) { c.Fatalf("Volume was not defined for /bar\n%q", out) } } // Regression test for #3631 func (s *DockerSuite) TestRunSlowStdoutConsumer(c *check.C) { cont := exec.Command(dockerBinary, "run", "--rm", "busybox", "/bin/sh", "-c", "dd if=/dev/zero of=/dev/stdout bs=1024 count=2000 | catv") stdout, err := cont.StdoutPipe() if err != nil { c.Fatal(err) } if err := cont.Start(); err != nil { c.Fatal(err) } n, err := consumeWithSpeed(stdout, 10000, 5*time.Millisecond, nil) if err != nil { c.Fatal(err) } expected := 2 * 1024 * 2000 if n != expected { c.Fatalf("Expected %d, got %d", expected, n) } } func (s *DockerSuite) TestRunAllowPortRangeThroughExpose(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-P", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err) } id := strings.TrimSpace(out) portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports") if err != nil { c.Fatal(err) } var ports nat.PortMap if err = unmarshalJSON([]byte(portstr), &ports); err != nil { c.Fatal(err) } for port, binding := range ports { portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0]) if portnum < 3000 || portnum > 3003 { c.Fatalf("Port %d is out of range ", portnum) } if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 { c.Fatalf("Port is not mapped for the port %d", port) } } if err := deleteContainer(id); err != nil { c.Fatal(err) } } // test docker run expose a invalid port func (s *DockerSuite) TestRunExposePort(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "--expose", "80000", "busybox") out, _, err := runCommandWithOutput(runCmd) //expose a invalid port should with a error out if err == nil || !strings.Contains(out, "Invalid range format for --expose") { c.Fatalf("run --expose a invalid port should with error out") } } func (s *DockerSuite) TestRunUnknownCommand(c *check.C) { testRequires(c, NativeExecDriver) runCmd := exec.Command(dockerBinary, "create", "busybox", "/bin/nada") cID, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { c.Fatalf("Failed to create container: %v, output: %q", err, cID) } cID = strings.TrimSpace(cID) runCmd = exec.Command(dockerBinary, "start", cID) _, _, _, _ = runCommandWithStdoutStderr(runCmd) runCmd = exec.Command(dockerBinary, "inspect", "--format={{.State.ExitCode}}", cID) rc, _, _, err2 := runCommandWithStdoutStderr(runCmd) rc = strings.TrimSpace(rc) if err2 != nil { c.Fatalf("Error getting status of container: %v", err2) } if rc == "0" { c.Fatalf("ExitCode(%v) cannot be 0", rc) } } func (s *DockerSuite) TestRunModeIpcHost(c *check.C) { testRequires(c, SameHostDaemon) hostIpc, err := os.Readlink("/proc/1/ns/ipc") if err != nil { c.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "--ipc=host", "busybox", "readlink", "/proc/self/ns/ipc") out2, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if hostIpc != out2 { c.Fatalf("IPC different with --ipc=host %s != %s\n", hostIpc, out2) } cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/ipc") out2, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if hostIpc == out2 { c.Fatalf("IPC should be different without --ipc=host %s == %s\n", hostIpc, out2) } } func (s *DockerSuite) TestRunModeIpcContainer(c *check.C) { testRequires(c, SameHostDaemon) cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } id := strings.TrimSpace(out) state, err := inspectField(id, "State.Running") if err != nil { c.Fatal(err) } if state != "true" { c.Fatal("Container state is 'not running'") } pid1, err := inspectField(id, "State.Pid") if err != nil { c.Fatal(err) } parentContainerIpc, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/ipc", pid1)) if err != nil { c.Fatal(err) } cmd = exec.Command(dockerBinary, "run", fmt.Sprintf("--ipc=container:%s", id), "busybox", "readlink", "/proc/self/ns/ipc") out2, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if parentContainerIpc != out2 { c.Fatalf("IPC different with --ipc=container:%s %s != %s\n", id, parentContainerIpc, out2) } } func (s *DockerSuite) TestRunModeIpcContainerNotExists(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-d", "--ipc", "container:abcd1234", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if !strings.Contains(out, "abcd1234") || err == nil { c.Fatalf("run IPC from a non exists container should with correct error out") } } func (s *DockerSuite) TestContainerNetworkMode(c *check.C) { testRequires(c, SameHostDaemon) cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } id := strings.TrimSpace(out) if err := waitRun(id); err != nil { c.Fatal(err) } pid1, err := inspectField(id, "State.Pid") if err != nil { c.Fatal(err) } parentContainerNet, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1)) if err != nil { c.Fatal(err) } cmd = exec.Command(dockerBinary, "run", fmt.Sprintf("--net=container:%s", id), "busybox", "readlink", "/proc/self/ns/net") out2, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if parentContainerNet != out2 { c.Fatalf("NET different with --net=container:%s %s != %s\n", id, parentContainerNet, out2) } } func (s *DockerSuite) TestContainerNetworkModeToSelf(c *check.C) { cmd := exec.Command(dockerBinary, "run", "--name=me", "--net=container:me", "busybox", "true") out, _, err := runCommandWithOutput(cmd) if err == nil || !strings.Contains(out, "cannot join own network") { c.Fatalf("using container net mode to self should result in an error") } } func (s *DockerSuite) TestRunModePidHost(c *check.C) { testRequires(c, NativeExecDriver, SameHostDaemon) hostPid, err := os.Readlink("/proc/1/ns/pid") if err != nil { c.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "--pid=host", "busybox", "readlink", "/proc/self/ns/pid") out2, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if hostPid != out2 { c.Fatalf("PID different with --pid=host %s != %s\n", hostPid, out2) } cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/pid") out2, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if hostPid == out2 { c.Fatalf("PID should be different without --pid=host %s == %s\n", hostPid, out2) } } func (s *DockerSuite) TestRunTLSverify(c *check.C) { cmd := exec.Command(dockerBinary, "ps") out, ec, err := runCommandWithOutput(cmd) if err != nil || ec != 0 { c.Fatalf("Should have worked: %v:\n%v", err, out) } // Regardless of whether we specify true or false we need to // test to make sure tls is turned on if --tlsverify is specified at all cmd = exec.Command(dockerBinary, "--tlsverify=false", "ps") out, ec, err = runCommandWithOutput(cmd) if err == nil || ec == 0 || !strings.Contains(out, "trying to connect") { c.Fatalf("Should have failed: \net:%v\nout:%v\nerr:%v", ec, out, err) } cmd = exec.Command(dockerBinary, "--tlsverify=true", "ps") out, ec, err = runCommandWithOutput(cmd) if err == nil || ec == 0 || !strings.Contains(out, "cert") { c.Fatalf("Should have failed: \net:%v\nout:%v\nerr:%v", ec, out, err) } } func (s *DockerSuite) TestRunPortFromDockerRangeInUse(c *check.C) { // first find allocator current position cmd := exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(out, err) } id := strings.TrimSpace(out) cmd = exec.Command(dockerBinary, "port", id) out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(out, err) } out = strings.TrimSpace(out) if out == "" { c.Fatal("docker port command output is empty") } out = strings.Split(out, ":")[1] lastPort, err := strconv.Atoi(out) if err != nil { c.Fatal(err) } port := lastPort + 1 l, err := net.Listen("tcp", ":"+strconv.Itoa(port)) if err != nil { c.Fatal(err) } defer l.Close() cmd = exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatalf(out, err) } id = strings.TrimSpace(out) cmd = exec.Command(dockerBinary, "port", id) out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(out, err) } } func (s *DockerSuite) TestRunTtyWithPipe(c *check.C) { errChan := make(chan error) go func() { defer close(errChan) cmd := exec.Command(dockerBinary, "run", "-ti", "busybox", "true") if _, err := cmd.StdinPipe(); err != nil { errChan <- err return } expected := "cannot enable tty mode" if out, _, err := runCommandWithOutput(cmd); err == nil { errChan <- fmt.Errorf("run should have failed") return } else if !strings.Contains(out, expected) { errChan <- fmt.Errorf("run failed with error %q: expected %q", out, expected) return } }() select { case err := <-errChan: c.Assert(err, check.IsNil) case <-time.After(3 * time.Second): c.Fatal("container is running but should have failed") } } func (s *DockerSuite) TestRunNonLocalMacAddress(c *check.C) { addr := "00:16:3E:08:00:50" cmd := exec.Command(dockerBinary, "run", "--mac-address", addr, "busybox", "ifconfig") if out, _, err := runCommandWithOutput(cmd); err != nil || !strings.Contains(out, addr) { c.Fatalf("Output should have contained %q: %s, %v", addr, out, err) } } func (s *DockerSuite) TestRunNetHost(c *check.C) { testRequires(c, SameHostDaemon) hostNet, err := os.Readlink("/proc/1/ns/net") if err != nil { c.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "--net=host", "busybox", "readlink", "/proc/self/ns/net") out2, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if hostNet != out2 { c.Fatalf("Net namespace different with --net=host %s != %s\n", hostNet, out2) } cmd = exec.Command(dockerBinary, "run", "busybox", "readlink", "/proc/self/ns/net") out2, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if hostNet == out2 { c.Fatalf("Net namespace should be different without --net=host %s == %s\n", hostNet, out2) } } func (s *DockerSuite) TestRunNetContainerWhichHost(c *check.C) { testRequires(c, SameHostDaemon) hostNet, err := os.Readlink("/proc/1/ns/net") if err != nil { c.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "-d", "--net=host", "--name=test", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } cmd = exec.Command(dockerBinary, "run", "--net=container:test", "busybox", "readlink", "/proc/self/ns/net") out, _, err = runCommandWithOutput(cmd) if err != nil { c.Fatal(err, out) } out = strings.Trim(out, "\n") if hostNet != out { c.Fatalf("Container should have host network namespace") } } func (s *DockerSuite) TestRunAllowPortRangeThroughPublish(c *check.C) { cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-p", "3000-3003", "busybox", "top") out, _, err := runCommandWithOutput(cmd) id := strings.TrimSpace(out) portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports") if err != nil { c.Fatal(err) } var ports nat.PortMap err = unmarshalJSON([]byte(portstr), &ports) for port, binding := range ports { portnum, _ := strconv.Atoi(strings.Split(string(port), "/")[0]) if portnum < 3000 || portnum > 3003 { c.Fatalf("Port %d is out of range ", portnum) } if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 { c.Fatal("Port is not mapped for the port "+port, out) } } } func (s *DockerSuite) TestRunOOMExitCode(c *check.C) { errChan := make(chan error) go func() { defer close(errChan) runCmd := exec.Command(dockerBinary, "run", "-m", "4MB", "busybox", "sh", "-c", "x=a; while true; do x=$x$x$x$x; done") out, exitCode, _ := runCommandWithOutput(runCmd) 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(30 * time.Second): c.Fatal("Timeout waiting for container to die on OOM") } } func (s *DockerSuite) TestRunSetDefaultRestartPolicy(c *check.C) { runCmd := exec.Command(dockerBinary, "run", "-d", "--name", "test", "busybox", "top") if out, _, err := runCommandWithOutput(runCmd); err != nil { c.Fatalf("failed to run container: %v, output: %q", err, out) } cmd := exec.Command(dockerBinary, "inspect", "-f", "{{.HostConfig.RestartPolicy.Name}}", "test") out, _, err := runCommandWithOutput(cmd) if err != nil { c.Fatalf("failed to inspect container: %v, output: %q", err, out) } out = strings.Trim(out, "\r\n") if out != "no" { c.Fatalf("Set default restart policy failed") } } func (s *DockerSuite) TestRunRestartMaxRetries(c *check.C) { out, err := exec.Command(dockerBinary, "run", "-d", "--restart=on-failure:3", "busybox", "false").CombinedOutput() if err != nil { c.Fatal(string(out), err) } id := strings.TrimSpace(string(out)) if err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 10); err != nil { c.Fatal(err) } count, err := inspectField(id, "RestartCount") if err != nil { c.Fatal(err) } if count != "3" { c.Fatalf("Container was restarted %s times, expected %d", count, 3) } MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount") if err != nil { c.Fatal(err) } if MaximumRetryCount != "3" { c.Fatalf("Container Maximum Retry Count is %s, expected %s", MaximumRetryCount, "3") } } func (s *DockerSuite) TestRunContainerWithWritableRootfs(c *check.C) { out, err := exec.Command(dockerBinary, "run", "--rm", "busybox", "touch", "/file").CombinedOutput() if err != nil { c.Fatal(string(out), err) } } func (s *DockerSuite) TestRunContainerWithReadonlyRootfs(c *check.C) { testRequires(c, NativeExecDriver) for _, f := range []string{"/file", "/etc/hosts", "/etc/resolv.conf", "/etc/hostname"} { testReadOnlyFile(f, c) } } func testReadOnlyFile(filename string, c *check.C) { testRequires(c, NativeExecDriver) out, err := exec.Command(dockerBinary, "run", "--read-only", "--rm", "busybox", "touch", filename).CombinedOutput() if err == nil { c.Fatal("expected container to error on run with read only error") } expected := "Read-only file system" if !strings.Contains(string(out), expected) { c.Fatalf("expected output from failure to contain %s but contains %s", expected, out) } } func (s *DockerSuite) TestRunContainerWithReadonlyEtcHostsAndLinkedContainer(c *check.C) { testRequires(c, NativeExecDriver) _, err := runCommand(exec.Command(dockerBinary, "run", "-d", "--name", "test-etc-hosts-ro-linked", "busybox", "top")) c.Assert(err, check.IsNil) out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--read-only", "--link", "test-etc-hosts-ro-linked:testlinked", "busybox", "cat", "/etc/hosts")) c.Assert(err, check.IsNil) if !strings.Contains(string(out), "testlinked") { c.Fatal("Expected /etc/hosts to be updated even if --read-only enabled") } } func (s *DockerSuite) TestRunContainerWithReadonlyRootfsWithDnsFlag(c *check.C) { testRequires(c, NativeExecDriver) out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--read-only", "--dns", "1.1.1.1", "busybox", "/bin/cat", "/etc/resolv.conf")) c.Assert(err, check.IsNil) if !strings.Contains(string(out), "1.1.1.1") { c.Fatal("Expected /etc/resolv.conf to be updated even if --read-only enabled and --dns flag used") } } func (s *DockerSuite) TestRunContainerWithReadonlyRootfsWithAddHostFlag(c *check.C) { testRequires(c, NativeExecDriver) out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "--read-only", "--add-host", "testreadonly:127.0.0.1", "busybox", "/bin/cat", "/etc/hosts")) c.Assert(err, check.IsNil) if !strings.Contains(string(out), "testreadonly") { c.Fatal("Expected /etc/hosts to be updated even if --read-only enabled and --add-host flag used") } } func (s *DockerSuite) TestRunVolumesFromRestartAfterRemoved(c *check.C) { out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "voltest", "-v", "/foo", "busybox")) if err != nil { c.Fatal(out, err) } out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "restarter", "--volumes-from", "voltest", "busybox", "top")) if err != nil { c.Fatal(out, err) } // Remove the main volume container and restart the consuming container out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "rm", "-f", "voltest")) if err != nil { c.Fatal(out, err) } // This should not fail since the volumes-from were already applied out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "restart", "restarter")) if err != nil { c.Fatalf("expected container to restart successfully: %v\n%s", err, out) } } // run container with --rm should remove container if exit code != 0 func (s *DockerSuite) TestRunContainerWithRmFlagExitCodeNotEqualToZero(c *check.C) { name := "flowers" runCmd := exec.Command(dockerBinary, "run", "--name", name, "--rm", "busybox", "ls", "/notexists") out, _, err := runCommandWithOutput(runCmd) if err == nil { c.Fatal("Expected docker run to fail", out, err) } out, err = getAllContainers() if err != nil { c.Fatal(out, err) } if out != "" { c.Fatal("Expected not to have containers", out) } } func (s *DockerSuite) TestRunContainerWithRmFlagCannotStartContainer(c *check.C) { name := "sparkles" runCmd := exec.Command(dockerBinary, "run", "--name", name, "--rm", "busybox", "commandNotFound") out, _, err := runCommandWithOutput(runCmd) if err == nil { c.Fatal("Expected docker run to fail", out, err) } out, err = getAllContainers() if err != nil { c.Fatal(out, err) } if out != "" { c.Fatal("Expected not to have containers", out) } } func (s *DockerSuite) TestRunPidHostWithChildIsKillable(c *check.C) { name := "ibuildthecloud" if out, err := exec.Command(dockerBinary, "run", "-d", "--pid=host", "--name", name, "busybox", "sh", "-c", "sleep 30; echo hi").CombinedOutput(); err != nil { c.Fatal(err, out) } time.Sleep(1 * time.Second) errchan := make(chan error) go func() { if out, err := exec.Command(dockerBinary, "kill", name).CombinedOutput(); err != nil { errchan <- fmt.Errorf("%v:\n%s", err, out) } close(errchan) }() select { case err := <-errchan: c.Assert(err, check.IsNil) case <-time.After(5 * time.Second): c.Fatal("Kill container timed out") } }