package main import ( "bufio" "bytes" "fmt" "io/ioutil" "net" "os" "os/exec" "path" "path/filepath" "reflect" "regexp" "sort" "strconv" "strings" "sync" "testing" "time" "github.com/docker/docker/nat" "github.com/docker/docker/pkg/mount" "github.com/docker/docker/pkg/networkfs/resolvconf" "github.com/kr/pty" ) // "test123" should be printed by docker run func TestRunEchoStdout(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "busybox", "echo", "test123") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatalf("failed to run container: %v, output: %q", err, out) } if out != "test123\n" { t.Errorf("container should've printed 'test123'") } deleteAllContainers() logDone("run - echo test123") } // "test" should be printed func TestRunEchoStdoutWithMemoryLimit(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "-m", "16m", "busybox", "echo", "test") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatalf("failed to run container: %v, output: %q", err, out) } out = strings.Trim(out, "\r\n") if expected := "test"; out != expected { t.Errorf("container should've printed %q but printed %q", expected, out) } deleteAllContainers() logDone("run - echo with memory limit") } // "test" should be printed func TestRunEchoStdoutWitCPULimit(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "busybox", "echo", "test") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatalf("failed to run container: %v, output: %q", err, out) } if out != "test\n" { t.Errorf("container should've printed 'test'") } deleteAllContainers() logDone("run - echo with CPU limit") } // "test" should be printed func TestRunEchoStdoutWithCPUAndMemoryLimit(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "-c", "1000", "-m", "16m", "busybox", "echo", "test") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatalf("failed to run container: %v, output: %q", err, out) } if out != "test\n" { t.Errorf("container should've printed 'test', got %q instead", out) } deleteAllContainers() logDone("run - echo with CPU and memory limit") } // "test" should be printed func TestRunEchoNamedContainer(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "--name", "testfoonamedcontainer", "busybox", "echo", "test") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatalf("failed to run container: %v, output: %q", err, out) } if out != "test\n" { t.Errorf("container should've printed 'test'") } if err := deleteContainer("testfoonamedcontainer"); err != nil { t.Errorf("failed to remove the named container: %v", err) } deleteAllContainers() logDone("run - echo with named container") } // docker run should not leak file descriptors func TestRunLeakyFileDescriptors(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "busybox", "ls", "-C", "/proc/self/fd") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.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" { t.Errorf("container should've printed '0 1 2 3', not: %s", out) } deleteAllContainers() logDone("run - check file descriptor leakage") } // it should be possible to ping Google DNS resolver // this will fail when Internet access is unavailable func TestRunPingGoogle(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "busybox", "ping", "-c", "1", "8.8.8.8") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatalf("failed to run container: %v, output: %q", err, out) } deleteAllContainers() logDone("run - ping 8.8.8.8") } // the exit code should be 0 // some versions of lxc might make this test fail func TestRunExitCodeZero(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "busybox", "true") if out, _, err := runCommandWithOutput(runCmd); err != nil { t.Errorf("container should've exited with exit code 0: %s, %v", out, err) } deleteAllContainers() logDone("run - exit with 0") } // the exit code should be 1 // some versions of lxc might make this test fail func TestRunExitCodeOne(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "busybox", "false") exitCode, err := runCommand(runCmd) if err != nil && !strings.Contains("exit status 1", fmt.Sprintf("%s", err)) { t.Fatal(err) } if exitCode != 1 { t.Errorf("container should've exited with exit code 1") } deleteAllContainers() logDone("run - exit with 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 TestRunStdinPipe(t *testing.T) { runCmd := exec.Command("bash", "-c", `echo "blahblah" | docker run -i -a stdin busybox cat`) out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatalf("failed to run container: %v, output: %q", err, out) } out = stripTrailingCharacters(out) inspectCmd := exec.Command(dockerBinary, "inspect", out) if out, _, err := runCommandWithOutput(inspectCmd); err != nil { t.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 { t.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err) } logsCmd := exec.Command(dockerBinary, "logs", out) logsOut, _, err := runCommandWithOutput(logsCmd) if err != nil { t.Fatalf("error thrown while trying to get container logs: %s, %v", logsOut, err) } containerLogs := stripTrailingCharacters(logsOut) if containerLogs != "blahblah" { t.Errorf("logs didn't print the container's logs %s", containerLogs) } rmCmd := exec.Command(dockerBinary, "rm", out) if out, _, err = runCommandWithOutput(rmCmd); err != nil { t.Fatalf("rm failed to remove container: %s, %v", out, err) } deleteAllContainers() logDone("run - pipe in with -i -a stdin") } // the container's ID should be printed when starting a container in detached mode func TestRunDetachedContainerIDPrinting(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatalf("failed to run container: %v, output: %q", err, out) } out = stripTrailingCharacters(out) inspectCmd := exec.Command(dockerBinary, "inspect", out) if inspectOut, _, err := runCommandWithOutput(inspectCmd); err != nil { t.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 { t.Fatalf("error thrown while waiting for container: %s, %v", waitOut, err) } rmCmd := exec.Command(dockerBinary, "rm", out) rmOut, _, err := runCommandWithOutput(rmCmd) if err != nil { t.Fatalf("rm failed to remove container: %s, %v", rmOut, err) } rmOut = stripTrailingCharacters(rmOut) if rmOut != out { t.Errorf("rm didn't print the container ID %s %s", out, rmOut) } deleteAllContainers() logDone("run - print container ID in detached mode") } // the working directory should be set correctly func TestRunWorkingDirectory(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "-w", "/root", "busybox", "pwd") out, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatalf("failed to run container: %v, output: %q", err, out) } out = stripTrailingCharacters(out) if out != "/root" { t.Errorf("-w failed to set working directory") } runCmd = exec.Command(dockerBinary, "run", "--workdir", "/root", "busybox", "pwd") out, _, _, err = runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatal(out, err) } out = stripTrailingCharacters(out) if out != "/root" { t.Errorf("--workdir failed to set working directory") } deleteAllContainers() logDone("run - run with working directory set by -w") logDone("run - run with working directory set by --workdir") } // pinging Google's DNS resolver should fail when we disable the networking func TestRunWithoutNetworking(t *testing.T) { 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 { t.Fatal(out, err) } if exitCode != 1 { t.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 { t.Fatal(out, err) } if exitCode != 1 { t.Errorf("-n=false should've disabled the network; the container shouldn't have been able to ping 8.8.8.8") } deleteAllContainers() logDone("run - disable networking with --net=none") logDone("run - disable networking with -n=false") } // Regression test for #4741 func TestRunWithVolumesAsFiles(t *testing.T) { 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 { t.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 { t.Fatal("2", out, stderr, err) } deleteAllContainers() logDone("run - regression test for #4741 - volumes from as files") } // Regression test for #4979 func TestRunWithVolumesFromExited(t *testing.T) { 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 { t.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 { t.Fatal("2", out, stderr, err) } deleteAllContainers() logDone("run - regression test for #4979 - volumes-from on exited container") } // Regression test for #4830 func TestRunWithRelativePath(t *testing.T) { runCmd := exec.Command(dockerBinary, "run", "-v", "tmp:/other-tmp", "busybox", "true") if _, _, _, err := runCommandWithStdoutStderr(runCmd); err == nil { t.Fatalf("relative path should result in an error") } deleteAllContainers() logDone("run - volume with relative path") } func TestRunVolumesMountedAsReadonly(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-v", "/test:/test:ro", "busybox", "touch", "/test/somefile") if code, err := runCommand(cmd); err == nil || code == 0 { t.Fatalf("run should fail because volume is ro: exit code %d", code) } deleteAllContainers() logDone("run - volumes as readonly mount") } func TestRunVolumesFromInReadonlyMode(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:ro", "busybox", "touch", "/test/file") if code, err := runCommand(cmd); err == nil || code == 0 { t.Fatalf("run should fail because volume is ro: exit code %d", code) } deleteAllContainers() logDone("run - volumes from as readonly mount") } // Regression test for #1201 func TestRunVolumesFromInReadWriteMode(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "true") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file") if out, _, err := runCommandWithOutput(cmd); err != nil { t.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") { t.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 { t.Fatalf("running --volumes-from parent failed with output: %q\nerror: %v", out, err) } deleteAllContainers() logDone("run - volumes from as read write mount") } func TestVolumesFromGetsProperMode(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test:/test:ro", "busybox", "true") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } // Expect this "rw" mode to be be ignored since the inheritted volume is "ro" cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent:rw", "busybox", "touch", "/test/file") if _, err := runCommand(cmd); err == nil { t.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 { t.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 { t.Fatal("Expected volumes-from to inherit read-only volume even when passing in `ro`") } deleteAllContainers() logDone("run - volumes from ignores `rw` if inherrited volume is `ro`") } // Test for #1351 func TestRunApplyVolumesFromBeforeVolumes(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--name", "parent", "-v", "/test", "busybox", "touch", "/test/foo") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "--volumes-from", "parent", "-v", "/test", "busybox", "cat", "/test/foo") if out, _, err := runCommandWithOutput(cmd); err != nil { t.Fatal(out, err) } deleteAllContainers() logDone("run - volumes from mounted first") } func TestRunMultipleVolumesFrom(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--name", "parent1", "-v", "/test", "busybox", "touch", "/test/foo") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "--name", "parent2", "-v", "/other", "busybox", "touch", "/other/bar") if _, err := runCommand(cmd); err != nil { t.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 { t.Fatal(err) } deleteAllContainers() logDone("run - multiple volumes from") } // this tests verifies the ID format for the container func TestRunVerifyContainerID(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "true") out, exit, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err) } if exit != 0 { t.Fatalf("expected exit code 0 received %d", exit) } match, err := regexp.MatchString("^[0-9a-f]{64}$", strings.TrimSuffix(out, "\n")) if err != nil { t.Fatal(err) } if !match { t.Fatalf("Invalid container ID: %s", out) } deleteAllContainers() logDone("run - verify container ID") } // Test that creating a container with a volume doesn't crash. Regression test for #995. func TestRunCreateVolume(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-v", "/var/lib/data", "busybox", "true") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } deleteAllContainers() logDone("run - create docker managed volume") } // 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 TestRunCreateVolumeWithSymlink(t *testing.T) { buildCmd := exec.Command(dockerBinary, "build", "-t", "docker-test-createvolumewithsymlink", "-") buildCmd.Stdin = strings.NewReader(`FROM busybox RUN mkdir /foo && ln -s /foo /bar`) buildCmd.Dir = workingDirectory err := buildCmd.Run() if err != nil { t.Fatalf("could not build 'docker-test-createvolumewithsymlink': %v", err) } cmd := exec.Command(dockerBinary, "run", "-v", "/bar/foo", "--name", "test-createvolumewithsymlink", "docker-test-createvolumewithsymlink", "sh", "-c", "mount | grep -q /foo/foo") exitCode, err := runCommand(cmd) if err != nil || exitCode != 0 { t.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 { t.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 { t.Fatalf("[rm] err: %v, exitcode: %d", err, exitCode) } f, err := os.Open(volPath) defer f.Close() if !os.IsNotExist(err) { t.Fatalf("[open] (expecting 'file does not exist' error) err: %v, volPath: %s", err, volPath) } deleteImages("docker-test-createvolumewithsymlink") deleteAllContainers() logDone("run - create volume with symlink") } // Tests that a volume path that has a symlink exists in a container mounting it with `--volumes-from`. func TestRunVolumesFromSymlinkPath(t *testing.T) { name := "docker-test-volumesfromsymlinkpath" buildCmd := exec.Command(dockerBinary, "build", "-t", name, "-") buildCmd.Stdin = strings.NewReader(`FROM busybox RUN mkdir /baz && ln -s /baz /foo VOLUME ["/foo/bar"]`) buildCmd.Dir = workingDirectory err := buildCmd.Run() if err != nil { t.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 { t.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 { t.Fatalf("[run] err: %v, exitcode: %d", err, exitCode) } deleteAllContainers() deleteImages(name) logDone("run - volumes-from symlink path") } func TestRunExitCode(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "busybox", "/bin/sh", "-c", "exit 72") exit, err := runCommand(cmd) if err == nil { t.Fatal("should not have a non nil error") } if exit != 72 { t.Fatalf("expected exit code 72 received %d", exit) } deleteAllContainers() logDone("run - correct exit code") } func TestRunUserDefaultsToRoot(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if !strings.Contains(out, "uid=0(root) gid=0(root)") { t.Fatalf("expected root user got %s", out) } deleteAllContainers() logDone("run - default user") } func TestRunUserByName(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-u", "root", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if !strings.Contains(out, "uid=0(root) gid=0(root)") { t.Fatalf("expected root user got %s", out) } deleteAllContainers() logDone("run - user by name") } func TestRunUserByID(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-u", "1", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if !strings.Contains(out, "uid=1(daemon) gid=1(daemon)") { t.Fatalf("expected daemon user got %s", out) } deleteAllContainers() logDone("run - user by id") } func TestRunUserByIDBig(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-u", "2147483648", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err == nil { t.Fatal("No error, but must be.", out) } if !strings.Contains(out, "Uids and gids must be in range") { t.Fatalf("expected error about uids range, got %s", out) } deleteAllContainers() logDone("run - user by id, id too big") } func TestRunUserByIDNegative(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-u", "-1", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err == nil { t.Fatal("No error, but must be.", out) } if !strings.Contains(out, "Uids and gids must be in range") { t.Fatalf("expected error about uids range, got %s", out) } deleteAllContainers() logDone("run - user by id, id negative") } func TestRunUserByIDZero(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-u", "0", "busybox", "id") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if !strings.Contains(out, "uid=0(root) gid=0(root) groups=10(wheel)") { t.Fatalf("expected daemon user got %s", out) } deleteAllContainers() logDone("run - user by id, zero uid") } func TestRunUserNotFound(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-u", "notme", "busybox", "id") _, err := runCommand(cmd) if err == nil { t.Fatal("unknown user should cause container to fail") } deleteAllContainers() logDone("run - user not found") } func TestRunTwoConcurrentContainers(t *testing.T) { group := sync.WaitGroup{} group.Add(2) for i := 0; i < 2; i++ { go func() { defer group.Done() cmd := exec.Command(dockerBinary, "run", "busybox", "sleep", "2") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } }() } group.Wait() deleteAllContainers() logDone("run - two concurrent containers") } func TestRunEnvironment(t *testing.T) { 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 { t.Fatal(err, out) } actualEnv := strings.Split(out, "\n") if actualEnv[len(actualEnv)-1] == "" { actualEnv = actualEnv[:len(actualEnv)-1] } 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) { t.Fatalf("Wrong environment: should be %d variables, not: %q\n", len(goodEnv), strings.Join(actualEnv, ", ")) } for i := range goodEnv { if actualEnv[i] != goodEnv[i] { t.Fatalf("Wrong environment variable: should be %s, not %s", goodEnv[i], actualEnv[i]) } } deleteAllContainers() logDone("run - verify environment") } func TestRunContainerNetwork(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "busybox", "ping", "-c", "1", "127.0.0.1") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } deleteAllContainers() logDone("run - test container network via ping") } // Issue #4681 func TestRunLoopbackWhenNetworkDisabled(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ping", "-c", "1", "127.0.0.1") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } deleteAllContainers() logDone("run - test container loopback when networking disabled") } func TestRunNetHostNotAllowedWithLinks(t *testing.T) { _, _, err := dockerCmd(t, "run", "--name", "linked", "busybox", "true") cmd := exec.Command(dockerBinary, "run", "--net=host", "--link", "linked:linked", "busybox", "true") _, _, err = runCommandWithOutput(cmd) if err == nil { t.Fatal("Expected error") } deleteAllContainers() logDone("run - don't allow --net=host to be used with links") } func TestRunLoopbackOnlyExistsWhenNetworkingDisabled(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--net=none", "busybox", "ip", "-o", "-4", "a", "show", "up") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } var ( count = 0 parts = strings.Split(out, "\n") ) for _, l := range parts { if l != "" { count++ } } if count != 1 { t.Fatalf("Wrong interface count in container %d", count) } if !strings.HasPrefix(out, "1: lo") { t.Fatalf("Wrong interface in test container: expected [1: lo], got %s", out) } deleteAllContainers() logDone("run - test loopback only exists when networking disabled") } // #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 TestRunFullHostnameSet(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-h", "foo.bar.baz", "busybox", "hostname") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "foo.bar.baz" { t.Fatalf("expected hostname 'foo.bar.baz', received %s", actual) } deleteAllContainers() logDone("run - test fully qualified hostname set with -h") } func TestRunPrivilegedCanMknod(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { t.Fatalf("expected output ok received %s", actual) } deleteAllContainers() logDone("run - test privileged can mknod") } func TestRunUnPrivilegedCanMknod(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { t.Fatalf("expected output ok received %s", actual) } deleteAllContainers() logDone("run - test un-privileged can mknod") } func TestRunCapDropInvalid(t *testing.T) { defer deleteAllContainers() cmd := exec.Command(dockerBinary, "run", "--cap-drop=CHPASS", "busybox", "ls") out, _, err := runCommandWithOutput(cmd) if err == nil { t.Fatal(err, out) } logDone("run - test --cap-drop=CHPASS invalid") } func TestRunCapDropCannotMknod(t *testing.T) { 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 { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual == "ok" { t.Fatalf("expected output not ok received %s", actual) } deleteAllContainers() logDone("run - test --cap-drop=MKNOD cannot mknod") } func TestRunCapDropCannotMknodLowerCase(t *testing.T) { 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 { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual == "ok" { t.Fatalf("expected output not ok received %s", actual) } deleteAllContainers() logDone("run - test --cap-drop=mknod cannot mknod lowercase") } func TestRunCapDropALLCannotMknod(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok") out, _, err := runCommandWithOutput(cmd) if err == nil { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual == "ok" { t.Fatalf("expected output not ok received %s", actual) } deleteAllContainers() logDone("run - test --cap-drop=ALL cannot mknod") } func TestRunCapDropALLAddMknodCannotMknod(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--cap-drop=ALL", "--cap-add=MKNOD", "busybox", "sh", "-c", "mknod /tmp/sda b 8 0 && echo ok") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { t.Fatalf("expected output ok received %s", actual) } deleteAllContainers() logDone("run - test --cap-drop=ALL --cap-add=MKNOD can mknod") } func TestRunCapAddInvalid(t *testing.T) { defer deleteAllContainers() cmd := exec.Command(dockerBinary, "run", "--cap-add=CHPASS", "busybox", "ls") out, _, err := runCommandWithOutput(cmd) if err == nil { t.Fatal(err, out) } logDone("run - test --cap-add=CHPASS invalid") } func TestRunCapAddCanDownInterface(t *testing.T) { 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 { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { t.Fatalf("expected output ok received %s", actual) } deleteAllContainers() logDone("run - test --cap-add=NET_ADMIN can set eth0 down") } func TestRunCapAddALLCanDownInterface(t *testing.T) { 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 { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { t.Fatalf("expected output ok received %s", actual) } deleteAllContainers() logDone("run - test --cap-add=ALL can set eth0 down") } func TestRunCapAddALLDropNetAdminCanDownInterface(t *testing.T) { 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 { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual == "ok" { t.Fatalf("expected output not ok received %s", actual) } deleteAllContainers() logDone("run - test --cap-add=ALL --cap-drop=NET_ADMIN cannot set eth0 down") } func TestRunPrivilegedCanMount(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err) } if actual := strings.Trim(out, "\r\n"); actual != "ok" { t.Fatalf("expected output ok received %s", actual) } deleteAllContainers() logDone("run - test privileged can mount") } func TestRunUnPrivilegedCannotMount(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "mount -t tmpfs none /tmp && echo ok") out, _, err := runCommandWithOutput(cmd) if err == nil { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual == "ok" { t.Fatalf("expected output not ok received %s", actual) } deleteAllContainers() logDone("run - test un-privileged cannot mount") } func TestRunSysNotWritableInNonPrivilegedContainers(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/sys/kernel/profiling") if code, err := runCommand(cmd); err == nil || code == 0 { t.Fatal("sys should not be writable in a non privileged container") } deleteAllContainers() logDone("run - sys not writable in non privileged container") } func TestRunSysWritableInPrivilegedContainers(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/sys/kernel/profiling") if code, err := runCommand(cmd); err != nil || code != 0 { t.Fatalf("sys should be writable in privileged container") } deleteAllContainers() logDone("run - sys writable in privileged container") } func TestRunProcNotWritableInNonPrivilegedContainers(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "busybox", "touch", "/proc/sysrq-trigger") if code, err := runCommand(cmd); err == nil || code == 0 { t.Fatal("proc should not be writable in a non privileged container") } deleteAllContainers() logDone("run - proc not writable in non privileged container") } func TestRunProcWritableInPrivilegedContainers(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--privileged", "busybox", "touch", "/proc/sysrq-trigger") if code, err := runCommand(cmd); err != nil || code != 0 { t.Fatalf("proc should be writable in privileged container") } deleteAllContainers() logDone("run - proc writable in privileged container") } func TestRunWithCpuset(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--cpuset", "0", "busybox", "true") if code, err := runCommand(cmd); err != nil || code != 0 { t.Fatalf("container should run successfuly with cpuset of 0: %s", err) } deleteAllContainers() logDone("run - cpuset 0") } func TestRunDeviceNumbers(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "busybox", "sh", "-c", "ls -l /dev/null") out, _, err := runCommandWithOutput(cmd) if err != nil { t.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)) { t.Fatalf("expected output\ncrw-rw-rw- 1 root root 1, 3 May 24 13:29 /dev/null\n received\n %s\n", out) } deleteAllContainers() logDone("run - test device numbers") } func TestRunThatCharacterDevicesActLikeCharacterDevices(t *testing.T) { 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 { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual[0] == '0' { t.Fatalf("expected a new file called /zero to be create that is greater than 0 bytes long, but du says: %s", actual) } deleteAllContainers() logDone("run - test that character devices work.") } func TestRunUnprivilegedWithChroot(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "busybox", "chroot", "/", "true") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } deleteAllContainers() logDone("run - unprivileged with chroot") } func TestRunAddingOptionalDevices(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--device", "/dev/zero:/dev/nulo", "busybox", "sh", "-c", "ls /dev/nulo") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "/dev/nulo" { t.Fatalf("expected output /dev/nulo, received %s", actual) } deleteAllContainers() logDone("run - test --device argument") } func TestRunModeHostname(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-h=testhostname", "busybox", "cat", "/etc/hostname") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if actual := strings.Trim(out, "\r\n"); actual != "testhostname" { t.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 { t.Fatal(err, out) } hostname, err := os.Hostname() if err != nil { t.Fatal(err) } if actual := strings.Trim(out, "\r\n"); actual != hostname { t.Fatalf("expected %q, but says: %q", hostname, actual) } deleteAllContainers() logDone("run - hostname and several network modes") } func TestRunRootWorkdir(t *testing.T) { s, _, err := dockerCmd(t, "run", "--workdir", "/", "busybox", "pwd") if err != nil { t.Fatal(s, err) } if s != "/\n" { t.Fatalf("pwd returned %q (expected /\\n)", s) } deleteAllContainers() logDone("run - workdir /") } func TestRunAllowBindMountingRoot(t *testing.T) { s, _, err := dockerCmd(t, "run", "-v", "/:/host", "busybox", "ls", "/host") if err != nil { t.Fatal(s, err) } deleteAllContainers() logDone("run - bind mount / as volume") } func TestRunDisallowBindMountingRootToRoot(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-v", "/:/", "busybox", "ls", "/host") out, _, err := runCommandWithOutput(cmd) if err == nil { t.Fatal(out, err) } deleteAllContainers() logDone("run - bind mount /:/ as volume should fail") } // Test recursive bind mount works by default func TestRunWithVolumesIsRecursive(t *testing.T) { tmpDir, err := ioutil.TempDir("", "docker_recursive_mount_test") if err != nil { t.Fatal(err) } defer os.RemoveAll(tmpDir) // Create a temporary tmpfs mount. tmpfsDir := filepath.Join(tmpDir, "tmpfs") if err := os.MkdirAll(tmpfsDir, 0777); err != nil { t.Fatalf("failed to mkdir at %s - %s", tmpfsDir, err) } if err := mount.Mount("tmpfs", tmpfsDir, "tmpfs", ""); err != nil { t.Fatalf("failed to create a tmpfs mount at %s - %s", tmpfsDir, err) } defer mount.Unmount(tmpfsDir) f, err := ioutil.TempFile(tmpfsDir, "touch-me") if err != nil { t.Fatal(err) } defer f.Close() runCmd := exec.Command(dockerBinary, "run", "--name", "test-data", "--volume", fmt.Sprintf("%s:/tmp:ro", tmpDir), "busybox:latest", "ls", "/tmp/tmpfs") out, stderr, exitCode, err := runCommandWithStdoutStderr(runCmd) if err != nil && exitCode != 0 { t.Fatal(out, stderr, err) } if !strings.Contains(out, filepath.Base(f.Name())) { t.Fatal("Recursive bind mount test failed. Expected file not found") } deleteAllContainers() logDone("run - volumes are bind mounted recursively") } func TestRunDnsDefaultOptions(t *testing.T) { // ci server has default resolv.conf // so rewrite it for the test origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf") if os.IsNotExist(err) { t.Fatalf("/etc/resolv.conf does not exist") } // test with file tmpResolvConf := []byte("nameserver 127.0.0.1") if err := ioutil.WriteFile("/etc/resolv.conf", tmpResolvConf, 0644); err != nil { t.Fatal(err) } // put the old resolvconf back defer func() { if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil { t.Fatal(err) } }() cmd := exec.Command(dockerBinary, "run", "busybox", "cat", "/etc/resolv.conf") actual, _, err := runCommandWithOutput(cmd) if err != nil { t.Error(err, actual) return } // check that the actual defaults are there // if we ever change the defaults from google dns, this will break expected := "\nnameserver 8.8.8.8\nnameserver 8.8.4.4" if actual != expected { t.Errorf("expected resolv.conf be: %q, but was: %q", expected, actual) return } deleteAllContainers() logDone("run - dns default options") } func TestRunDnsOptions(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "--dns-search=mydomain", "busybox", "cat", "/etc/resolv.conf") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } actual := strings.Replace(strings.Trim(out, "\r\n"), "\n", " ", -1) if actual != "nameserver 127.0.0.1 search mydomain" { t.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 = runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } actual = strings.Replace(strings.Trim(strings.Trim(out, "\r\n"), " "), "\n", " ", -1) if actual != "nameserver 127.0.0.1" { t.Fatalf("expected 'nameserver 127.0.0.1', but says: %q", actual) } logDone("run - dns options") } func TestRunDnsOptionsBasedOnHostResolvConf(t *testing.T) { var out string origResolvConf, err := ioutil.ReadFile("/etc/resolv.conf") if os.IsNotExist(err) { t.Fatalf("/etc/resolv.conf does not exist") } hostNamservers := resolvconf.GetNameservers(origResolvConf) hostSearch := resolvconf.GetSearchDomains(origResolvConf) cmd := exec.Command(dockerBinary, "run", "--dns=127.0.0.1", "busybox", "cat", "/etc/resolv.conf") if out, _, err = runCommandWithOutput(cmd); err != nil { t.Fatal(err, out) } if actualNameservers := resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "127.0.0.1" { t.Fatalf("expected '127.0.0.1', but says: %q", string(actualNameservers[0])) } actualSearch := resolvconf.GetSearchDomains([]byte(out)) if len(actualSearch) != len(hostSearch) { t.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch)) } for i := range actualSearch { if actualSearch[i] != hostSearch[i] { t.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 { t.Fatal(err, out) } actualNameservers := resolvconf.GetNameservers([]byte(out)) if len(actualNameservers) != len(hostNamservers) { t.Fatalf("expected %q nameserver(s), but it has: %q", len(hostNamservers), len(actualNameservers)) } for i := range actualNameservers { if actualNameservers[i] != hostNamservers[i] { t.Fatalf("expected %q nameserver, but says: %q", actualNameservers[i], hostNamservers[i]) } } if actualSearch = resolvconf.GetSearchDomains([]byte(out)); string(actualSearch[0]) != "mydomain" { t.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 { t.Fatal(err) } // put the old resolvconf back defer func() { if err := ioutil.WriteFile("/etc/resolv.conf", origResolvConf, 0644); err != nil { t.Fatal(err) } }() resolvConf, err := ioutil.ReadFile("/etc/resolv.conf") if os.IsNotExist(err) { t.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 { t.Fatal(err, out) } if actualNameservers = resolvconf.GetNameservers([]byte(out)); string(actualNameservers[0]) != "12.34.56.78" || len(actualNameservers) != 1 { t.Fatalf("expected '12.34.56.78', but has: %v", actualNameservers) } actualSearch = resolvconf.GetSearchDomains([]byte(out)) if len(actualSearch) != len(hostSearch) { t.Fatalf("expected %q search domain(s), but it has: %q", len(hostSearch), len(actualSearch)) } for i := range actualSearch { if actualSearch[i] != hostSearch[i] { t.Fatalf("expected %q domain, but says: %q", actualSearch[i], hostSearch[i]) } } deleteAllContainers() logDone("run - dns options based on host resolv.conf") } func TestRunAddHost(t *testing.T) { defer deleteAllContainers() cmd := exec.Command(dockerBinary, "run", "--add-host=extra:86.75.30.9", "busybox", "grep", "extra", "/etc/hosts") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } actual := strings.Trim(out, "\r\n") if actual != "86.75.30.9\textra" { t.Fatalf("expected '86.75.30.9\textra', but says: %q", actual) } logDone("run - add-host option") } // Regression test for #6983 func TestRunAttachStdErrOnlyTTYMode(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stderr", "busybox", "true") exitCode, err := runCommand(cmd) if err != nil { t.Fatal(err) } else if exitCode != 0 { t.Fatalf("Container should have exited with error code 0") } deleteAllContainers() logDone("run - Attach stderr only with -t") } // Regression test for #6983 func TestRunAttachStdOutOnlyTTYMode(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "busybox", "true") exitCode, err := runCommand(cmd) if err != nil { t.Fatal(err) } else if exitCode != 0 { t.Fatalf("Container should have exited with error code 0") } deleteAllContainers() logDone("run - Attach stdout only with -t") } // Regression test for #6983 func TestRunAttachStdOutAndErrTTYMode(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-t", "-a", "stdout", "-a", "stderr", "busybox", "true") exitCode, err := runCommand(cmd) if err != nil { t.Fatal(err) } else if exitCode != 0 { t.Fatalf("Container should have exited with error code 0") } deleteAllContainers() logDone("run - Attach stderr and stdout with -t") } func TestRunState(t *testing.T) { defer deleteAllContainers() cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } id := strings.TrimSpace(out) state, err := inspectField(id, "State.Running") if err != nil { t.Fatal(err) } if state != "true" { t.Fatal("Container state is 'not running'") } pid1, err := inspectField(id, "State.Pid") if err != nil { t.Fatal(err) } if pid1 == "0" { t.Fatal("Container state Pid 0") } cmd = exec.Command(dockerBinary, "stop", id) out, _, err = runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } state, err = inspectField(id, "State.Running") if err != nil { t.Fatal(err) } if state != "false" { t.Fatal("Container state is 'running'") } pid2, err := inspectField(id, "State.Pid") if err != nil { t.Fatal(err) } if pid2 == pid1 { t.Fatalf("Container state Pid %s, but expected %s", pid2, pid1) } cmd = exec.Command(dockerBinary, "start", id) out, _, err = runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } state, err = inspectField(id, "State.Running") if err != nil { t.Fatal(err) } if state != "true" { t.Fatal("Container state is 'not running'") } pid3, err := inspectField(id, "State.Pid") if err != nil { t.Fatal(err) } if pid3 == pid1 { t.Fatalf("Container state Pid %s, but expected %s", pid2, pid1) } logDone("run - test container state.") } // Test for #1737 func TestRunCopyVolumeUidGid(t *testing.T) { name := "testrunvolumesuidgid" defer deleteImages(name) defer deleteAllContainers() _, 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 { t.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 { t.Fatal(err, out) } out = strings.TrimSpace(out) if out != "dockerio:dockerio" { t.Fatalf("Wrong /hello ownership: %s, expected dockerio:dockerio", out) } logDone("run - copy uid/gid for volume") } // Test for #1582 func TestRunCopyVolumeContent(t *testing.T) { name := "testruncopyvolumecontent" defer deleteImages(name) defer deleteAllContainers() _, err := buildImage(name, `FROM busybox RUN mkdir -p /hello/local && echo hello > /hello/local/world`, true) if err != nil { t.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 { t.Fatal(err, out) } if !(strings.Contains(out, "/hello/local/world") && strings.Contains(out, "/hello/local")) { t.Fatal("Container failed to transfer content to volume") } logDone("run - copy volume content") } func TestRunCleanupCmdOnEntrypoint(t *testing.T) { name := "testrunmdcleanuponentrypoint" defer deleteImages(name) defer deleteAllContainers() if _, err := buildImage(name, `FROM busybox ENTRYPOINT ["echo"] CMD ["testingpoint"]`, true); err != nil { t.Fatal(err) } runCmd := exec.Command(dockerBinary, "run", "--entrypoint", "whoami", name) out, exit, err := runCommandWithOutput(runCmd) if err != nil { t.Fatalf("Error: %v, out: %q", err, out) } if exit != 0 { t.Fatalf("expected exit code 0 received %d, out: %q", exit, out) } out = strings.TrimSpace(out) if out != "root" { t.Fatalf("Expected output root, got %q", out) } logDone("run - cleanup cmd on --entrypoint") } // TestRunWorkdirExistsAndIsFile checks that if 'docker run -w' with existing file can be detected func TestRunWorkdirExistsAndIsFile(t *testing.T) { defer deleteAllContainers() 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")) { t.Fatalf("Docker must complains about making dir, but we got out: %s, exit: %d, err: %s", out, exit, err) } logDone("run - error on existing file for workdir") } func TestRunExitOnStdinClose(t *testing.T) { name := "testrunexitonstdinclose" defer deleteAllContainers() runCmd := exec.Command(dockerBinary, "run", "--name", name, "-i", "busybox", "/bin/cat") stdin, err := runCmd.StdinPipe() if err != nil { t.Fatal(err) } stdout, err := runCmd.StdoutPipe() if err != nil { t.Fatal(err) } if err := runCmd.Start(); err != nil { t.Fatal(err) } if _, err := stdin.Write([]byte("hello\n")); err != nil { t.Fatal(err) } r := bufio.NewReader(stdout) line, err := r.ReadString('\n') if err != nil { t.Fatal(err) } line = strings.TrimSpace(line) if line != "hello" { t.Fatalf("Output should be 'hello', got '%q'", line) } if err := stdin.Close(); err != nil { t.Fatal(err) } finish := make(chan struct{}) go func() { if err := runCmd.Wait(); err != nil { t.Fatal(err) } close(finish) }() select { case <-finish: case <-time.After(1 * time.Second): t.Fatal("docker run failed to exit on stdin close") } state, err := inspectField(name, "State.Running") if err != nil { t.Fatal(err) } if state != "false" { t.Fatal("Container must be stopped after stdin closing") } logDone("run - exit on stdin closing") } // Test for #2267 func TestRunWriteHostsFileAndNotCommit(t *testing.T) { defer deleteAllContainers() 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 { t.Fatal(err, out) } if !strings.Contains(out, "test2267") { t.Fatal("/etc/hosts should contain 'test2267'") } cmd = exec.Command(dockerBinary, "diff", name) if err != nil { t.Fatal(err, out) } out, _, err = runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if len(strings.Trim(out, "\r\n")) != 0 { t.Fatal("diff should be empty") } logDone("run - write to /etc/hosts and not commited") } // Test for #2267 func TestRunWriteHostnameFileAndNotCommit(t *testing.T) { defer deleteAllContainers() 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 { t.Fatal(err, out) } if !strings.Contains(out, "test2267") { t.Fatal("/etc/hostname should contain 'test2267'") } cmd = exec.Command(dockerBinary, "diff", name) if err != nil { t.Fatal(err, out) } out, _, err = runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if len(strings.Trim(out, "\r\n")) != 0 { t.Fatal("diff should be empty") } logDone("run - write to /etc/hostname and not commited") } // Test for #2267 func TestRunWriteResolvFileAndNotCommit(t *testing.T) { defer deleteAllContainers() 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 { t.Fatal(err, out) } if !strings.Contains(out, "test2267") { t.Fatal("/etc/resolv.conf should contain 'test2267'") } cmd = exec.Command(dockerBinary, "diff", name) if err != nil { t.Fatal(err, out) } out, _, err = runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } if len(strings.Trim(out, "\r\n")) != 0 { t.Fatal("diff should be empty") } logDone("run - write to /etc/resolv.conf and not commited") } func TestRunWithBadDevice(t *testing.T) { defer deleteAllContainers() name := "baddevice" cmd := exec.Command(dockerBinary, "run", "--name", name, "--device", "/etc", "busybox", "true") out, _, err := runCommandWithOutput(cmd) if err == nil { t.Fatal("Run should fail with bad device") } expected := `\"/etc\": not a device node` if !strings.Contains(out, expected) { t.Fatalf("Output should contain %q, actual out: %q", expected, out) } logDone("run - error with bad device") } func TestRunEntrypoint(t *testing.T) { defer deleteAllContainers() name := "entrypoint" cmd := exec.Command(dockerBinary, "run", "--name", name, "--entrypoint", "/bin/echo", "busybox", "-n", "foobar") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } expected := "foobar" if out != expected { t.Fatalf("Output should be %q, actual out: %q", expected, out) } logDone("run - entrypoint") } func TestRunBindMounts(t *testing.T) { defer deleteAllContainers() tmpDir, err := ioutil.TempDir("", "docker-test-container") if err != nil { t.Fatal(err) } defer os.RemoveAll(tmpDir) writeFile(path.Join(tmpDir, "touch-me"), "", t) // 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 { t.Fatal(err, out) } if !strings.Contains(out, "touch-me") { t.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 { t.Fatal(err, out) } readFile(path.Join(tmpDir, "holla"), t) // 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 { t.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 { t.Fatal(err, out) } content := readFile(path.Join(tmpDir, "holla"), t) // Will fail if the file doesn't exist expected := "yotta" if content != expected { t.Fatalf("Output should be %q, actual out: %q", expected, content) } logDone("run - bind mounts") } func TestRunMutableNetworkFiles(t *testing.T) { defer deleteAllContainers() for _, fn := range []string{"resolv.conf", "hosts"} { deleteAllContainers() content, err := runCommandAndReadContainerFile(fn, exec.Command(dockerBinary, "run", "-d", "--name", "c1", "busybox", "sh", "-c", fmt.Sprintf("echo success >/etc/%s; while true; do sleep 1; done", fn))) if err != nil { t.Fatal(err) } if strings.TrimSpace(string(content)) != "success" { t.Fatal("Content was not what was modified in the container", string(content)) } out, _, err := runCommandWithOutput(exec.Command(dockerBinary, "run", "-d", "--name", "c2", "busybox", "sh", "-c", fmt.Sprintf("while true; do cat /etc/%s; sleep 1; done", fn))) if err != nil { t.Fatal(err) } contID := strings.TrimSpace(out) resolvConfPath := containerStorageFile(contID, fn) f, err := os.OpenFile(resolvConfPath, os.O_WRONLY|os.O_SYNC|os.O_APPEND, 0644) if err != nil { t.Fatal(err) } if _, err := f.Seek(0, 0); err != nil { f.Close() t.Fatal(err) } if err := f.Truncate(0); err != nil { f.Close() t.Fatal(err) } if _, err := f.Write([]byte("success2\n")); err != nil { f.Close() t.Fatal(err) } f.Close() time.Sleep(2 * time.Second) // don't race sleep out, _, err = runCommandWithOutput(exec.Command(dockerBinary, "logs", "c2")) if err != nil { t.Fatal(err) } lines := strings.Split(out, "\n") if strings.TrimSpace(lines[len(lines)-2]) != "success2" { t.Fatalf("Did not find the correct output in /etc/%s: %s %#v", fn, out, lines) } } } // Ensure that CIDFile gets deleted if it's empty // Perform this test by making `docker run` fail func TestRunCidFileCleanupIfEmpty(t *testing.T) { tmpDir, err := ioutil.TempDir("", "TestRunCidFile") if err != nil { t.Fatal(err) } defer os.RemoveAll(tmpDir) tmpCidFile := path.Join(tmpDir, "cid") cmd := exec.Command(dockerBinary, "run", "--cidfile", tmpCidFile, "scratch") out, _, err := runCommandWithOutput(cmd) t.Log(out) if err == nil { t.Fatal("Run without command must fail") } if _, err := os.Stat(tmpCidFile); err == nil { t.Fatalf("empty CIDFile %q should've been deleted", tmpCidFile) } deleteAllContainers() logDone("run - cleanup empty cidfile on fail") } // #2098 - Docker cidFiles only contain short version of the containerId //sudo docker run --cidfile /tmp/docker_test.cid ubuntu echo "test" // TestRunCidFile tests that run --cidfile returns the longid func TestRunCidFileCheckIDLength(t *testing.T) { tmpDir, err := ioutil.TempDir("", "TestRunCidFile") if err != nil { t.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 { t.Fatal(err) } id := strings.TrimSpace(out) buffer, err := ioutil.ReadFile(tmpCidFile) if err != nil { t.Fatal(err) } cid := string(buffer) if len(cid) != 64 { t.Fatalf("--cidfile should be a long id, not %q", id) } if cid != id { t.Fatalf("cid must be equal to %s, got %s", id, cid) } deleteAllContainers() logDone("run - cidfile contains long id") } func TestRunNetworkNotInitializedNoneMode(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-d", "--net=none", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err) } id := strings.TrimSpace(out) res, err := inspectField(id, "NetworkSettings.IPAddress") if err != nil { t.Fatal(err) } if res != "" { t.Fatalf("For 'none' mode network must not be initialized, but container got IP: %s", res) } deleteAllContainers() logDone("run - network must not be initialized in 'none' mode") } func TestRunSetMacAddress(t *testing.T) { mac := "12:34:56:78:9a:bc" cmd := exec.Command("/bin/bash", "-c", dockerBinary+` run -i --rm --mac-address=`+mac+` busybox /bin/sh -c "ip link show eth0 | tail -1 | awk '{ print \$2 }'"`) out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err) } actualMac := strings.TrimSpace(out) if actualMac != mac { t.Fatalf("Set MAC address with --mac-address failed. The container has an incorrect MAC address: %q, expected: %q", actualMac, mac) } deleteAllContainers() logDone("run - setting MAC address with --mac-address") } func TestRunInspectMacAddress(t *testing.T) { 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 { t.Fatal(err) } id := strings.TrimSpace(out) inspectedMac, err := inspectField(id, "NetworkSettings.MacAddress") if err != nil { t.Fatal(err) } if inspectedMac != mac { t.Fatalf("docker inspect outputs wrong MAC address: %q, should be: %q", inspectedMac, mac) } deleteAllContainers() logDone("run - inspecting MAC address") } func TestRunDeallocatePortOnMissingIptablesRule(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err) } id := strings.TrimSpace(out) ip, err := inspectField(id, "NetworkSettings.IPAddress") if err != nil { t.Fatal(err) } iptCmd := exec.Command("iptables", "-D", "FORWARD", "-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 { t.Fatal(err, out) } if err := deleteContainer(id); err != nil { t.Fatal(err) } cmd = exec.Command(dockerBinary, "run", "-d", "-p", "23:23", "busybox", "top") out, _, err = runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } deleteAllContainers() logDone("run - port should be deallocated even on iptables error") } func TestRunPortInUse(t *testing.T) { port := "1234" l, err := net.Listen("tcp", ":"+port) if err != nil { t.Fatal(err) } defer l.Close() cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err == nil { t.Fatalf("Binding on used port must fail") } if !strings.Contains(out, "address already in use") { t.Fatalf("Out must be about \"address already in use\", got %s", out) } deleteAllContainers() logDone("run - fail if port already in use") } // https://github.com/docker/docker/issues/8428 func TestRunPortProxy(t *testing.T) { defer deleteAllContainers() port := "12345" cmd := exec.Command(dockerBinary, "run", "-d", "-p", port+":80", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatalf("Failed to run and bind port %s, output: %s, error: %s", port, out, err) } // connect 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 { t.Errorf("list docker process failed with output %s, error %s", out, err) } if strings.Contains(out, "docker ") { t.Errorf("Unexpected defunct docker process") } if !strings.Contains(out, "docker-proxy -proto tcp -host-ip 0.0.0.0 -host-port 12345") { t.Errorf("Failed to find docker-proxy process, got %s", out) } logDone("run - proxy should work with unavailable port") } // Regression test for #7792 func TestRunMountOrdering(t *testing.T) { tmpDir, err := ioutil.TempDir("", "docker_nested_mount_test") if err != nil { t.Fatal(err) } defer os.RemoveAll(tmpDir) tmpDir2, err := ioutil.TempDir("", "docker_nested_mount_test2") if err != nil { t.Fatal(err) } defer os.RemoveAll(tmpDir2) // Create a temporary tmpfs mount. fooDir := filepath.Join(tmpDir, "foo") if err := os.MkdirAll(filepath.Join(tmpDir, "foo"), 0755); err != nil { t.Fatalf("failed to mkdir at %s - %s", fooDir, err) } if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", fooDir), []byte{}, 0644); err != nil { t.Fatal(err) } if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir), []byte{}, 0644); err != nil { t.Fatal(err) } if err := ioutil.WriteFile(fmt.Sprintf("%s/touch-me", tmpDir2), []byte{}, 0644); err != nil { t.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 { t.Fatal(out, err) } deleteAllContainers() logDone("run - volumes are mounted in the correct order") } func TestRunExecDir(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } id := strings.TrimSpace(out) execDir := filepath.Join(execDriverPath, id) stateFile := filepath.Join(execDir, "state.json") contFile := filepath.Join(execDir, "container.json") { fi, err := os.Stat(execDir) if err != nil { t.Fatal(err) } if !fi.IsDir() { t.Fatalf("%q must be a directory", execDir) } fi, err = os.Stat(stateFile) if err != nil { t.Fatal(err) } fi, err = os.Stat(contFile) if err != nil { t.Fatal(err) } } stopCmd := exec.Command(dockerBinary, "stop", id) out, _, err = runCommandWithOutput(stopCmd) if err != nil { t.Fatal(err, out) } { fi, err := os.Stat(execDir) if err != nil { t.Fatal(err) } if !fi.IsDir() { t.Fatalf("%q must be a directory", execDir) } fi, err = os.Stat(stateFile) if err == nil { t.Fatalf("Statefile %q is exists for stopped container!", stateFile) } if !os.IsNotExist(err) { t.Fatalf("Error should be about non-existing, got %s", err) } fi, err = os.Stat(contFile) if err == nil { t.Fatalf("Container file %q is exists for stopped container!", contFile) } if !os.IsNotExist(err) { t.Fatalf("Error should be about non-existing, got %s", err) } } startCmd := exec.Command(dockerBinary, "start", id) out, _, err = runCommandWithOutput(startCmd) if err != nil { t.Fatal(err, out) } { fi, err := os.Stat(execDir) if err != nil { t.Fatal(err) } if !fi.IsDir() { t.Fatalf("%q must be a directory", execDir) } fi, err = os.Stat(stateFile) if err != nil { t.Fatal(err) } fi, err = os.Stat(contFile) if err != nil { t.Fatal(err) } } rmCmd := exec.Command(dockerBinary, "rm", "-f", id) out, _, err = runCommandWithOutput(rmCmd) if err != nil { t.Fatal(err, out) } { _, err := os.Stat(execDir) if err == nil { t.Fatal(err) } if err == nil { t.Fatalf("Exec directory %q is exists for removed container!", execDir) } if !os.IsNotExist(err) { t.Fatalf("Error should be about non-existing, got %s", err) } } logDone("run - check execdriver dir behavior") } // #6509 func TestRunRedirectStdout(t *testing.T) { defer deleteAllContainers() checkRedirect := func(command string) { _, tty, err := pty.Open() if err != nil { t.Fatalf("Could not open pty: %v", err) } cmd := exec.Command("sh", "-c", command) cmd.Stdin = tty cmd.Stdout = tty cmd.Stderr = tty ch := make(chan struct{}) if err := cmd.Start(); err != nil { t.Fatalf("start err: %v", err) } go func() { if err := cmd.Wait(); err != nil { t.Fatalf("wait err=%v", err) } close(ch) }() select { case <-time.After(10 * time.Second): t.Fatal("command timeout") case <-ch: } } checkRedirect(dockerBinary + " run -i busybox cat /etc/passwd | grep -q root") checkRedirect(dockerBinary + " run busybox cat /etc/passwd | grep -q root") logDone("run - redirect stdout") } // Regression test for https://github.com/docker/docker/issues/8259 func TestRunReuseBindVolumeThatIsSymlink(t *testing.T) { tmpDir, err := ioutil.TempDir(os.TempDir(), "testlink") if err != nil { t.Fatal(err) } defer os.RemoveAll(tmpDir) linkPath := os.TempDir() + "/testlink2" if err := os.Symlink(tmpDir, linkPath); err != nil { t.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 { t.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 { t.Fatal(err, out) } deleteAllContainers() logDone("run - can remount old bindmount volume") } func TestVolumesNoCopyData(t *testing.T) { defer deleteImages("dataimage") defer deleteAllContainers() if _, err := buildImage("dataimage", `FROM busybox RUN mkdir -p /foo RUN touch /foo/bar`, true); err != nil { t.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "--name", "test", "-v", "/foo", "busybox") if _, err := runCommand(cmd); err != nil { t.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") { t.Fatalf("Data was copied on volumes-from but shouldn't be:\n%q", out) } tmpDir, err := ioutil.TempDir("", "docker_test_bind_mount_copy_data") if err != nil { t.Fatal(err) } defer os.RemoveAll(tmpDir) 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") { t.Fatalf("Data was copied on bind-mount but shouldn't be:\n%q", out) } logDone("run - volumes do not copy data for volumes-from and bindmounts") } func TestRunVolumesNotRecreatedOnStart(t *testing.T) { // Clear out any remnants from other tests deleteAllContainers() info, err := ioutil.ReadDir(volumesConfigPath) if err != nil { t.Fatal(err) } if len(info) > 0 { for _, f := range info { if err := os.RemoveAll(volumesConfigPath + "/" + f.Name()); err != nil { t.Fatal(err) } } } defer deleteAllContainers() cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "--name", "lone_starr", "busybox") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } cmd = exec.Command(dockerBinary, "start", "lone_starr") if _, err := runCommand(cmd); err != nil { t.Fatal(err) } info, err = ioutil.ReadDir(volumesConfigPath) if err != nil { t.Fatal(err) } if len(info) != 1 { t.Fatalf("Expected only 1 volume have %v", len(info)) } logDone("run - volumes not recreated on start") } func TestRunNoOutputFromPullInStdout(t *testing.T) { defer deleteAllContainers() // just run with unknown image cmd := exec.Command(dockerBinary, "run", "asdfsg") stdout := bytes.NewBuffer(nil) cmd.Stdout = stdout if err := cmd.Run(); err == nil { t.Fatal("Run with unknown image should fail") } if stdout.Len() != 0 { t.Fatalf("Stdout contains output from pull: %s", stdout) } logDone("run - no output from pull in stdout") } func TestRunVolumesCleanPaths(t *testing.T) { if _, err := buildImage("run_volumes_clean_paths", `FROM busybox VOLUME /foo/`, true); err != nil { t.Fatal(err) } defer deleteImages("run_volumes_clean_paths") defer deleteAllContainers() cmd := exec.Command(dockerBinary, "run", "-v", "/foo", "-v", "/bar/", "--name", "dark_helmet", "run_volumes_clean_paths") if out, _, err := runCommandWithOutput(cmd); err != nil { t.Fatal(err, out) } out, err := inspectFieldMap("dark_helmet", "Volumes", "/foo/") if err != nil { t.Fatal(err) } if out != "" { t.Fatalf("Found unexpected volume entry for '/foo/' in volumes\n%q", out) } out, err = inspectFieldMap("dark_helmet", "Volumes", "/foo") if err != nil { t.Fatal(err) } if !strings.Contains(out, volumesStoragePath) { t.Fatalf("Volume was not defined for /foo\n%q", out) } out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar/") if err != nil { t.Fatal(err) } if out != "" { t.Fatalf("Found unexpected volume entry for '/bar/' in volumes\n%q", out) } out, err = inspectFieldMap("dark_helmet", "Volumes", "/bar") if err != nil { t.Fatal(err) } if !strings.Contains(out, volumesStoragePath) { t.Fatalf("Volume was not defined for /bar\n%q", out) } logDone("run - volume paths are cleaned") } // Regression test for #3631 func TestRunSlowStdoutConsumer(t *testing.T) { defer deleteAllContainers() c := exec.Command("/bin/bash", "-c", dockerBinary+` run --rm -i busybox /bin/sh -c "dd if=/dev/zero of=/foo bs=1024 count=2000 &>/dev/null; catv /foo"`) stdout, err := c.StdoutPipe() if err != nil { t.Fatal(err) } if err := c.Start(); err != nil { t.Fatal(err) } n, err := consumeWithSpeed(stdout, 10000, 5*time.Millisecond, nil) if err != nil { t.Fatal(err) } expected := 2 * 1024 * 2000 if n != expected { t.Fatalf("Expected %d, got %d", expected, n) } logDone("run - slow consumer") } func TestRunAllowPortRangeThroughExpose(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-d", "--expose", "3000-3003", "-P", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err) } id := strings.TrimSpace(out) portstr, err := inspectFieldJSON(id, "NetworkSettings.Ports") if err != nil { t.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 { t.Fatalf("Port is out of range ", portnum, binding, out) } if binding == nil || len(binding) != 1 || len(binding[0].HostPort) == 0 { t.Fatal("Port is not mapped for the port "+port, out) } } if err := deleteContainer(id); err != nil { t.Fatal(err) } logDone("run - allow port range through --expose flag") } func TestRunUnknownCommand(t *testing.T) { defer deleteAllContainers() runCmd := exec.Command(dockerBinary, "create", "busybox", "/bin/nada") cID, _, _, err := runCommandWithStdoutStderr(runCmd) if err != nil { t.Fatalf("Failed to create container: %v, output: %q", err, cID) } cID = strings.TrimSpace(cID) runCmd = exec.Command(dockerBinary, "start", cID) _, _, _, err = runCommandWithStdoutStderr(runCmd) if err == nil { t.Fatalf("Container should not have been able to start!") } runCmd = exec.Command(dockerBinary, "inspect", "--format={{.State.ExitCode}}", cID) rc, _, _, err2 := runCommandWithStdoutStderr(runCmd) rc = strings.TrimSpace(rc) if err2 != nil { t.Fatalf("Error getting status of container: %v", err2) } if rc != "-1" { t.Fatalf("ExitCode(%v) was supposed to be -1", rc) } logDone("run - Unknown Command") } func TestRunModeIpcHost(t *testing.T) { hostIpc, err := os.Readlink("/proc/1/ns/ipc") if err != nil { t.Fatal(err) } cmd := exec.Command(dockerBinary, "run", "--ipc=host", "busybox", "readlink", "/proc/self/ns/ipc") out2, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if hostIpc != out2 { t.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 { t.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if hostIpc == out2 { t.Fatalf("IPC should be different without --ipc=host %s != %s\n", hostIpc, out2) } deleteAllContainers() logDone("run - hostname and several network modes") } func TestRunModeIpcContainer(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } id := strings.TrimSpace(out) state, err := inspectField(id, "State.Running") if err != nil { t.Fatal(err) } if state != "true" { t.Fatal("Container state is 'not running'") } pid1, err := inspectField(id, "State.Pid") if err != nil { t.Fatal(err) } parentContainerIpc, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/ipc", pid1)) if err != nil { t.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 { t.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if parentContainerIpc != out2 { t.Fatalf("IPC different with --ipc=container:%s %s != %s\n", id, parentContainerIpc, out2) } deleteAllContainers() logDone("run - hostname and several network modes") } func TestContainerNetworkMode(t *testing.T) { cmd := exec.Command(dockerBinary, "run", "-d", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(err, out) } id := strings.TrimSpace(out) if err := waitRun(id); err != nil { t.Fatal(err) } pid1, err := inspectField(id, "State.Pid") if err != nil { t.Fatal(err) } parentContainerNet, err := os.Readlink(fmt.Sprintf("/proc/%s/ns/net", pid1)) if err != nil { t.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 { t.Fatal(err, out2) } out2 = strings.Trim(out2, "\n") if parentContainerNet != out2 { t.Fatalf("NET different with --net=container:%s %s != %s\n", id, parentContainerNet, out2) } deleteAllContainers() logDone("run - container shared network namespace") } func TestRunTLSverify(t *testing.T) { cmd := exec.Command(dockerBinary, "ps") out, ec, err := runCommandWithOutput(cmd) if err != nil || ec != 0 { t.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") { t.Fatalf("Should have failed: \nec:%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") { t.Fatalf("Should have failed: \nec:%v\nout:%v\nerr:%v", ec, out, err) } logDone("run - verify tls is set for --tlsverify") } func TestRunPortFromDockerRangeInUse(t *testing.T) { defer deleteAllContainers() // first find allocator current position cmd := exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top") out, _, err := runCommandWithOutput(cmd) if err != nil { t.Fatal(out, err) } id := strings.TrimSpace(out) cmd = exec.Command(dockerBinary, "port", id) out, _, err = runCommandWithOutput(cmd) if err != nil { t.Fatal(out, err) } out = strings.TrimSpace(out) out = strings.Split(out, ":")[1] lastPort, err := strconv.Atoi(out) if err != nil { t.Fatal(err) } port := lastPort + 1 l, err := net.Listen("tcp", ":"+strconv.Itoa(port)) if err != nil { t.Fatal(err) } defer l.Close() cmd = exec.Command(dockerBinary, "run", "-d", "-p", ":80", "busybox", "top") out, _, err = runCommandWithOutput(cmd) if err != nil { t.Fatalf(out, err) } id = strings.TrimSpace(out) cmd = exec.Command(dockerBinary, "port", id) out, _, err = runCommandWithOutput(cmd) if err != nil { t.Fatal(out, err) } logDone("run - find another port if port from autorange already bound") }