| package client |
| |
| import ( |
| "bufio" |
| "bytes" |
| "encoding/base64" |
| "encoding/json" |
| "fmt" |
| "io" |
| "io/ioutil" |
| "net/http" |
| "net/url" |
| "os" |
| "os/exec" |
| "path" |
| "runtime" |
| "strconv" |
| "strings" |
| "syscall" |
| "text/tabwriter" |
| "text/template" |
| "time" |
| |
| "github.com/dotcloud/docker/api" |
| "github.com/dotcloud/docker/archive" |
| "github.com/dotcloud/docker/dockerversion" |
| "github.com/dotcloud/docker/engine" |
| "github.com/dotcloud/docker/nat" |
| "github.com/dotcloud/docker/opts" |
| "github.com/dotcloud/docker/pkg/signal" |
| "github.com/dotcloud/docker/pkg/term" |
| "github.com/dotcloud/docker/pkg/units" |
| "github.com/dotcloud/docker/registry" |
| "github.com/dotcloud/docker/runconfig" |
| "github.com/dotcloud/docker/utils" |
| "github.com/dotcloud/docker/utils/filters" |
| ) |
| |
| func (cli *DockerCli) CmdHelp(args ...string) error { |
| if len(args) > 0 { |
| method, exists := cli.getMethod(args[0]) |
| if !exists { |
| fmt.Fprintf(cli.err, "Error: Command not found: %s\n", args[0]) |
| } else { |
| method("--help") |
| return nil |
| } |
| } |
| help := fmt.Sprintf("Usage: docker [OPTIONS] COMMAND [arg...]\n -H=[unix://%s]: tcp://host:port to bind/connect to or unix://path/to/socket to use\n\nA self-sufficient runtime for linux containers.\n\nCommands:\n", api.DEFAULTUNIXSOCKET) |
| for _, command := range [][]string{ |
| {"attach", "Attach to a running container"}, |
| {"build", "Build an image from a Dockerfile"}, |
| {"commit", "Create a new image from a container's changes"}, |
| {"cp", "Copy files/folders from the containers filesystem to the host path"}, |
| {"diff", "Inspect changes on a container's filesystem"}, |
| {"events", "Get real time events from the server"}, |
| {"export", "Stream the contents of a container as a tar archive"}, |
| {"history", "Show the history of an image"}, |
| {"images", "List images"}, |
| {"import", "Create a new filesystem image from the contents of a tarball"}, |
| {"info", "Display system-wide information"}, |
| {"inspect", "Return low-level information on a container"}, |
| {"kill", "Kill a running container"}, |
| {"load", "Load an image from a tar archive"}, |
| {"login", "Register or Login to the docker registry server"}, |
| {"logs", "Fetch the logs of a container"}, |
| {"port", "Lookup the public-facing port which is NAT-ed to PRIVATE_PORT"}, |
| {"pause", "Pause all processes within a container"}, |
| {"ps", "List containers"}, |
| {"pull", "Pull an image or a repository from the docker registry server"}, |
| {"push", "Push an image or a repository to the docker registry server"}, |
| {"restart", "Restart a running container"}, |
| {"rm", "Remove one or more containers"}, |
| {"rmi", "Remove one or more images"}, |
| {"run", "Run a command in a new container"}, |
| {"save", "Save an image to a tar archive"}, |
| {"search", "Search for an image in the docker index"}, |
| {"start", "Start a stopped container"}, |
| {"stop", "Stop a running container"}, |
| {"tag", "Tag an image into a repository"}, |
| {"top", "Lookup the running processes of a container"}, |
| {"unpause", "Unpause a paused container"}, |
| {"version", "Show the docker version information"}, |
| {"wait", "Block until a container stops, then print its exit code"}, |
| } { |
| help += fmt.Sprintf(" %-10.10s%s\n", command[0], command[1]) |
| } |
| fmt.Fprintf(cli.err, "%s\n", help) |
| return nil |
| } |
| |
| // FIXME: 'insert' is deprecated. |
| func (cli *DockerCli) CmdInsert(args ...string) error { |
| fmt.Fprintf(os.Stderr, "Warning: '%s' is deprecated and will be removed in a future version. Please use 'docker build' and 'ADD' instead.\n") |
| cmd := cli.Subcmd("insert", "IMAGE URL PATH", "Insert a file from URL in the IMAGE at PATH") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() != 3 { |
| cmd.Usage() |
| return nil |
| } |
| |
| v := url.Values{} |
| v.Set("url", cmd.Arg(1)) |
| v.Set("path", cmd.Arg(2)) |
| |
| return cli.stream("POST", "/images/"+cmd.Arg(0)+"/insert?"+v.Encode(), nil, cli.out, nil) |
| } |
| |
| func (cli *DockerCli) CmdBuild(args ...string) error { |
| cmd := cli.Subcmd("build", "[OPTIONS] PATH | URL | -", "Build a new image from the source code at PATH") |
| tag := cmd.String([]string{"t", "-tag"}, "", "Repository name (and optionally a tag) to be applied to the resulting image in case of success") |
| suppressOutput := cmd.Bool([]string{"q", "-quiet"}, false, "Suppress the verbose output generated by the containers") |
| noCache := cmd.Bool([]string{"#no-cache", "-no-cache"}, false, "Do not use cache when building the image") |
| rm := cmd.Bool([]string{"#rm", "-rm"}, true, "Remove intermediate containers after a successful build") |
| forceRm := cmd.Bool([]string{"-force-rm"}, false, "Always remove intermediate containers, even after unsuccessful builds") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var ( |
| context archive.Archive |
| isRemote bool |
| err error |
| ) |
| |
| _, err = exec.LookPath("git") |
| hasGit := err == nil |
| if cmd.Arg(0) == "-" { |
| // As a special case, 'docker build -' will build from an empty context with the |
| // contents of stdin as a Dockerfile |
| dockerfile, err := ioutil.ReadAll(cli.in) |
| if err != nil { |
| return err |
| } |
| context, err = archive.Generate("Dockerfile", string(dockerfile)) |
| } else if utils.IsURL(cmd.Arg(0)) && (!utils.IsGIT(cmd.Arg(0)) || !hasGit) { |
| isRemote = true |
| } else { |
| root := cmd.Arg(0) |
| if utils.IsGIT(root) { |
| remoteURL := cmd.Arg(0) |
| if !strings.HasPrefix(remoteURL, "git://") && !strings.HasPrefix(remoteURL, "git@") && !utils.IsURL(remoteURL) { |
| remoteURL = "https://" + remoteURL |
| } |
| |
| root, err = ioutil.TempDir("", "docker-build-git") |
| if err != nil { |
| return err |
| } |
| defer os.RemoveAll(root) |
| |
| if output, err := exec.Command("git", "clone", "--recursive", remoteURL, root).CombinedOutput(); err != nil { |
| return fmt.Errorf("Error trying to use git: %s (%s)", err, output) |
| } |
| } |
| if _, err := os.Stat(root); err != nil { |
| return err |
| } |
| filename := path.Join(root, "Dockerfile") |
| if _, err = os.Stat(filename); os.IsNotExist(err) { |
| return fmt.Errorf("no Dockerfile found in %s", cmd.Arg(0)) |
| } |
| if err = utils.ValidateContextDirectory(root); err != nil { |
| return fmt.Errorf("Error checking context is accessible: '%s'. Please check permissions and try again.", err) |
| } |
| context, err = archive.Tar(root, archive.Uncompressed) |
| } |
| var body io.Reader |
| // Setup an upload progress bar |
| // FIXME: ProgressReader shouldn't be this annoying to use |
| if context != nil { |
| sf := utils.NewStreamFormatter(false) |
| body = utils.ProgressReader(context, 0, cli.err, sf, true, "", "Sending build context to Docker daemon") |
| } |
| // Send the build context |
| v := &url.Values{} |
| |
| //Check if the given image name can be resolved |
| if *tag != "" { |
| repository, _ := utils.ParseRepositoryTag(*tag) |
| if _, _, err := registry.ResolveRepositoryName(repository); err != nil { |
| return err |
| } |
| } |
| |
| v.Set("t", *tag) |
| |
| if *suppressOutput { |
| v.Set("q", "1") |
| } |
| if isRemote { |
| v.Set("remote", cmd.Arg(0)) |
| } |
| if *noCache { |
| v.Set("nocache", "1") |
| } |
| if *rm { |
| v.Set("rm", "1") |
| } else { |
| v.Set("rm", "0") |
| } |
| |
| if *forceRm { |
| v.Set("forcerm", "1") |
| } |
| |
| cli.LoadConfigFile() |
| |
| headers := http.Header(make(map[string][]string)) |
| buf, err := json.Marshal(cli.configFile) |
| if err != nil { |
| return err |
| } |
| headers.Add("X-Registry-Config", base64.URLEncoding.EncodeToString(buf)) |
| |
| if context != nil { |
| headers.Set("Content-Type", "application/tar") |
| } |
| err = cli.stream("POST", fmt.Sprintf("/build?%s", v.Encode()), body, cli.out, headers) |
| if jerr, ok := err.(*utils.JSONError); ok { |
| // If no error code is set, default to 1 |
| if jerr.Code == 0 { |
| jerr.Code = 1 |
| } |
| return &utils.StatusError{Status: jerr.Message, StatusCode: jerr.Code} |
| } |
| return err |
| } |
| |
| // 'docker login': login / register a user to registry service. |
| func (cli *DockerCli) CmdLogin(args ...string) error { |
| cmd := cli.Subcmd("login", "[OPTIONS] [SERVER]", "Register or Login to a docker registry server, if no server is specified \""+registry.IndexServerAddress()+"\" is the default.") |
| |
| var username, password, email string |
| |
| cmd.StringVar(&username, []string{"u", "-username"}, "", "Username") |
| cmd.StringVar(&password, []string{"p", "-password"}, "", "Password") |
| cmd.StringVar(&email, []string{"e", "-email"}, "", "Email") |
| err := cmd.Parse(args) |
| if err != nil { |
| return nil |
| } |
| serverAddress := registry.IndexServerAddress() |
| if len(cmd.Args()) > 0 { |
| serverAddress = cmd.Arg(0) |
| } |
| |
| promptDefault := func(prompt string, configDefault string) { |
| if configDefault == "" { |
| fmt.Fprintf(cli.out, "%s: ", prompt) |
| } else { |
| fmt.Fprintf(cli.out, "%s (%s): ", prompt, configDefault) |
| } |
| } |
| |
| readInput := func(in io.Reader, out io.Writer) string { |
| reader := bufio.NewReader(in) |
| line, _, err := reader.ReadLine() |
| if err != nil { |
| fmt.Fprintln(out, err.Error()) |
| os.Exit(1) |
| } |
| return string(line) |
| } |
| |
| cli.LoadConfigFile() |
| authconfig, ok := cli.configFile.Configs[serverAddress] |
| if !ok { |
| authconfig = registry.AuthConfig{} |
| } |
| |
| if username == "" { |
| promptDefault("Username", authconfig.Username) |
| username = readInput(cli.in, cli.out) |
| if username == "" { |
| username = authconfig.Username |
| } |
| } |
| if username != authconfig.Username { |
| if password == "" { |
| oldState, _ := term.SaveState(cli.terminalFd) |
| fmt.Fprintf(cli.out, "Password: ") |
| term.DisableEcho(cli.terminalFd, oldState) |
| |
| password = readInput(cli.in, cli.out) |
| fmt.Fprint(cli.out, "\n") |
| |
| term.RestoreTerminal(cli.terminalFd, oldState) |
| if password == "" { |
| return fmt.Errorf("Error : Password Required") |
| } |
| } |
| |
| if email == "" { |
| promptDefault("Email", authconfig.Email) |
| email = readInput(cli.in, cli.out) |
| if email == "" { |
| email = authconfig.Email |
| } |
| } |
| } else { |
| password = authconfig.Password |
| email = authconfig.Email |
| } |
| authconfig.Username = username |
| authconfig.Password = password |
| authconfig.Email = email |
| authconfig.ServerAddress = serverAddress |
| cli.configFile.Configs[serverAddress] = authconfig |
| |
| stream, statusCode, err := cli.call("POST", "/auth", cli.configFile.Configs[serverAddress], false) |
| if statusCode == 401 { |
| delete(cli.configFile.Configs, serverAddress) |
| registry.SaveConfig(cli.configFile) |
| return err |
| } |
| if err != nil { |
| return err |
| } |
| var out2 engine.Env |
| err = out2.Decode(stream) |
| if err != nil { |
| cli.configFile, _ = registry.LoadConfig(os.Getenv("HOME")) |
| return err |
| } |
| registry.SaveConfig(cli.configFile) |
| if out2.Get("Status") != "" { |
| fmt.Fprintf(cli.out, "%s\n", out2.Get("Status")) |
| } |
| return nil |
| } |
| |
| // 'docker wait': block until a container stops |
| func (cli *DockerCli) CmdWait(args ...string) error { |
| cmd := cli.Subcmd("wait", "CONTAINER [CONTAINER...]", "Block until a container stops, then print its exit code.") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() < 1 { |
| cmd.Usage() |
| return nil |
| } |
| var encounteredError error |
| for _, name := range cmd.Args() { |
| status, err := waitForExit(cli, name) |
| if err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| encounteredError = fmt.Errorf("Error: failed to wait one or more containers") |
| } else { |
| fmt.Fprintf(cli.out, "%d\n", status) |
| } |
| } |
| return encounteredError |
| } |
| |
| // 'docker version': show version information |
| func (cli *DockerCli) CmdVersion(args ...string) error { |
| cmd := cli.Subcmd("version", "", "Show the docker version information.") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| |
| if cmd.NArg() > 0 { |
| cmd.Usage() |
| return nil |
| } |
| if dockerversion.VERSION != "" { |
| fmt.Fprintf(cli.out, "Client version: %s\n", dockerversion.VERSION) |
| } |
| fmt.Fprintf(cli.out, "Client API version: %s\n", api.APIVERSION) |
| fmt.Fprintf(cli.out, "Go version (client): %s\n", runtime.Version()) |
| if dockerversion.GITCOMMIT != "" { |
| fmt.Fprintf(cli.out, "Git commit (client): %s\n", dockerversion.GITCOMMIT) |
| } |
| |
| body, _, err := readBody(cli.call("GET", "/version", nil, false)) |
| if err != nil { |
| return err |
| } |
| |
| out := engine.NewOutput() |
| remoteVersion, err := out.AddEnv() |
| if err != nil { |
| utils.Errorf("Error reading remote version: %s\n", err) |
| return err |
| } |
| if _, err := out.Write(body); err != nil { |
| utils.Errorf("Error reading remote version: %s\n", err) |
| return err |
| } |
| out.Close() |
| fmt.Fprintf(cli.out, "Server version: %s\n", remoteVersion.Get("Version")) |
| if apiVersion := remoteVersion.Get("ApiVersion"); apiVersion != "" { |
| fmt.Fprintf(cli.out, "Server API version: %s\n", apiVersion) |
| } |
| fmt.Fprintf(cli.out, "Go version (server): %s\n", remoteVersion.Get("GoVersion")) |
| fmt.Fprintf(cli.out, "Git commit (server): %s\n", remoteVersion.Get("GitCommit")) |
| return nil |
| } |
| |
| // 'docker info': display system-wide information. |
| func (cli *DockerCli) CmdInfo(args ...string) error { |
| cmd := cli.Subcmd("info", "", "Display system-wide information") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() > 0 { |
| cmd.Usage() |
| return nil |
| } |
| |
| body, _, err := readBody(cli.call("GET", "/info", nil, false)) |
| if err != nil { |
| return err |
| } |
| |
| out := engine.NewOutput() |
| remoteInfo, err := out.AddEnv() |
| if err != nil { |
| return err |
| } |
| |
| if _, err := out.Write(body); err != nil { |
| utils.Errorf("Error reading remote info: %s\n", err) |
| return err |
| } |
| out.Close() |
| |
| fmt.Fprintf(cli.out, "Containers: %d\n", remoteInfo.GetInt("Containers")) |
| fmt.Fprintf(cli.out, "Images: %d\n", remoteInfo.GetInt("Images")) |
| fmt.Fprintf(cli.out, "Storage Driver: %s\n", remoteInfo.Get("Driver")) |
| var driverStatus [][2]string |
| if err := remoteInfo.GetJson("DriverStatus", &driverStatus); err != nil { |
| return err |
| } |
| for _, pair := range driverStatus { |
| fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1]) |
| } |
| fmt.Fprintf(cli.out, "Execution Driver: %s\n", remoteInfo.Get("ExecutionDriver")) |
| fmt.Fprintf(cli.out, "Kernel Version: %s\n", remoteInfo.Get("KernelVersion")) |
| |
| if remoteInfo.GetBool("Debug") || os.Getenv("DEBUG") != "" { |
| fmt.Fprintf(cli.out, "Debug mode (server): %v\n", remoteInfo.GetBool("Debug")) |
| fmt.Fprintf(cli.out, "Debug mode (client): %v\n", os.Getenv("DEBUG") != "") |
| fmt.Fprintf(cli.out, "Fds: %d\n", remoteInfo.GetInt("NFd")) |
| fmt.Fprintf(cli.out, "Goroutines: %d\n", remoteInfo.GetInt("NGoroutines")) |
| fmt.Fprintf(cli.out, "EventsListeners: %d\n", remoteInfo.GetInt("NEventsListener")) |
| |
| if initSha1 := remoteInfo.Get("InitSha1"); initSha1 != "" { |
| fmt.Fprintf(cli.out, "Init SHA1: %s\n", initSha1) |
| } |
| if initPath := remoteInfo.Get("InitPath"); initPath != "" { |
| fmt.Fprintf(cli.out, "Init Path: %s\n", initPath) |
| } |
| } |
| |
| if len(remoteInfo.GetList("IndexServerAddress")) != 0 { |
| cli.LoadConfigFile() |
| u := cli.configFile.Configs[remoteInfo.Get("IndexServerAddress")].Username |
| if len(u) > 0 { |
| fmt.Fprintf(cli.out, "Username: %v\n", u) |
| fmt.Fprintf(cli.out, "Registry: %v\n", remoteInfo.GetList("IndexServerAddress")) |
| } |
| } |
| if !remoteInfo.GetBool("MemoryLimit") { |
| fmt.Fprintf(cli.err, "WARNING: No memory limit support\n") |
| } |
| if !remoteInfo.GetBool("SwapLimit") { |
| fmt.Fprintf(cli.err, "WARNING: No swap limit support\n") |
| } |
| if !remoteInfo.GetBool("IPv4Forwarding") { |
| fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled.\n") |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdStop(args ...string) error { |
| cmd := cli.Subcmd("stop", "[OPTIONS] CONTAINER [CONTAINER...]", "Stop a running container (Send SIGTERM, and then SIGKILL after grace period)") |
| nSeconds := cmd.Int([]string{"t", "-time"}, 10, "Number of seconds to wait for the container to stop before killing it.") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() < 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| v := url.Values{} |
| v.Set("t", strconv.Itoa(*nSeconds)) |
| |
| var encounteredError error |
| for _, name := range cmd.Args() { |
| _, _, err := readBody(cli.call("POST", "/containers/"+name+"/stop?"+v.Encode(), nil, false)) |
| if err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| encounteredError = fmt.Errorf("Error: failed to stop one or more containers") |
| } else { |
| fmt.Fprintf(cli.out, "%s\n", name) |
| } |
| } |
| return encounteredError |
| } |
| |
| func (cli *DockerCli) CmdRestart(args ...string) error { |
| cmd := cli.Subcmd("restart", "[OPTIONS] CONTAINER [CONTAINER...]", "Restart a running container") |
| nSeconds := cmd.Int([]string{"t", "-time"}, 10, "Number of seconds to try to stop for before killing the container. Once killed it will then be restarted. Default=10") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() < 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| v := url.Values{} |
| v.Set("t", strconv.Itoa(*nSeconds)) |
| |
| var encounteredError error |
| for _, name := range cmd.Args() { |
| _, _, err := readBody(cli.call("POST", "/containers/"+name+"/restart?"+v.Encode(), nil, false)) |
| if err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| encounteredError = fmt.Errorf("Error: failed to restart one or more containers") |
| } else { |
| fmt.Fprintf(cli.out, "%s\n", name) |
| } |
| } |
| return encounteredError |
| } |
| |
| func (cli *DockerCli) forwardAllSignals(cid string) chan os.Signal { |
| sigc := make(chan os.Signal, 1) |
| signal.CatchAll(sigc) |
| go func() { |
| for s := range sigc { |
| if s == syscall.SIGCHLD { |
| continue |
| } |
| var sig string |
| for sigStr, sigN := range signal.SignalMap { |
| if sigN == s { |
| sig = sigStr |
| break |
| } |
| } |
| if sig == "" { |
| utils.Errorf("Unsupported signal: %d. Discarding.", s) |
| } |
| if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/kill?signal=%s", cid, sig), nil, false)); err != nil { |
| utils.Debugf("Error sending signal: %s", err) |
| } |
| } |
| }() |
| return sigc |
| } |
| |
| func (cli *DockerCli) CmdStart(args ...string) error { |
| var ( |
| cErr chan error |
| tty bool |
| |
| cmd = cli.Subcmd("start", "CONTAINER [CONTAINER...]", "Restart a stopped container") |
| attach = cmd.Bool([]string{"a", "-attach"}, false, "Attach container's stdout/stderr and forward all signals to the process") |
| openStdin = cmd.Bool([]string{"i", "-interactive"}, false, "Attach container's stdin") |
| ) |
| |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() < 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| if *attach || *openStdin { |
| if cmd.NArg() > 1 { |
| return fmt.Errorf("You cannot start and attach multiple containers at once.") |
| } |
| |
| steam, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/json", nil, false) |
| if err != nil { |
| return err |
| } |
| |
| env := engine.Env{} |
| if err := env.Decode(steam); err != nil { |
| return err |
| } |
| config := env.GetSubEnv("Config") |
| tty = config.GetBool("Tty") |
| |
| if !tty { |
| sigc := cli.forwardAllSignals(cmd.Arg(0)) |
| defer signal.StopCatch(sigc) |
| } |
| |
| var in io.ReadCloser |
| |
| v := url.Values{} |
| v.Set("stream", "1") |
| |
| if *openStdin && config.GetBool("OpenStdin") { |
| v.Set("stdin", "1") |
| in = cli.in |
| } |
| |
| v.Set("stdout", "1") |
| v.Set("stderr", "1") |
| |
| cErr = utils.Go(func() error { |
| return cli.hijack("POST", "/containers/"+cmd.Arg(0)+"/attach?"+v.Encode(), tty, in, cli.out, cli.err, nil) |
| }) |
| } |
| |
| var encounteredError error |
| for _, name := range cmd.Args() { |
| _, _, err := readBody(cli.call("POST", "/containers/"+name+"/start", nil, false)) |
| if err != nil { |
| if !*attach || !*openStdin { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| } |
| encounteredError = fmt.Errorf("Error: failed to start one or more containers") |
| } else { |
| if !*attach || !*openStdin { |
| fmt.Fprintf(cli.out, "%s\n", name) |
| } |
| } |
| } |
| if encounteredError != nil { |
| if *openStdin || *attach { |
| cli.in.Close() |
| <-cErr |
| } |
| return encounteredError |
| } |
| |
| if *openStdin || *attach { |
| if tty && cli.isTerminal { |
| if err := cli.monitorTtySize(cmd.Arg(0)); err != nil { |
| utils.Errorf("Error monitoring TTY size: %s\n", err) |
| } |
| } |
| return <-cErr |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdUnpause(args ...string) error { |
| cmd := cli.Subcmd("unpause", "CONTAINER", "Unpause all processes within a container") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var encounteredError error |
| for _, name := range cmd.Args() { |
| if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/unpause", name), nil, false)); err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| encounteredError = fmt.Errorf("Error: failed to unpause container named %s", name) |
| } else { |
| fmt.Fprintf(cli.out, "%s\n", name) |
| } |
| } |
| return encounteredError |
| } |
| |
| func (cli *DockerCli) CmdPause(args ...string) error { |
| cmd := cli.Subcmd("pause", "CONTAINER", "Pause all processes within a container") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var encounteredError error |
| for _, name := range cmd.Args() { |
| if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/pause", name), nil, false)); err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| encounteredError = fmt.Errorf("Error: failed to pause container named %s", name) |
| } else { |
| fmt.Fprintf(cli.out, "%s\n", name) |
| } |
| } |
| return encounteredError |
| } |
| |
| func (cli *DockerCli) CmdInspect(args ...string) error { |
| cmd := cli.Subcmd("inspect", "CONTAINER|IMAGE [CONTAINER|IMAGE...]", "Return low-level information on a container/image") |
| tmplStr := cmd.String([]string{"f", "#format", "-format"}, "", "Format the output using the given go template.") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() < 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var tmpl *template.Template |
| if *tmplStr != "" { |
| var err error |
| if tmpl, err = template.New("").Funcs(funcMap).Parse(*tmplStr); err != nil { |
| fmt.Fprintf(cli.err, "Template parsing error: %v\n", err) |
| return &utils.StatusError{StatusCode: 64, |
| Status: "Template parsing error: " + err.Error()} |
| } |
| } |
| |
| indented := new(bytes.Buffer) |
| indented.WriteByte('[') |
| status := 0 |
| |
| for _, name := range cmd.Args() { |
| obj, _, err := readBody(cli.call("GET", "/containers/"+name+"/json", nil, false)) |
| if err != nil { |
| obj, _, err = readBody(cli.call("GET", "/images/"+name+"/json", nil, false)) |
| if err != nil { |
| if strings.Contains(err.Error(), "No such") { |
| fmt.Fprintf(cli.err, "Error: No such image or container: %s\n", name) |
| } else { |
| fmt.Fprintf(cli.err, "%s", err) |
| } |
| status = 1 |
| continue |
| } |
| } |
| |
| if tmpl == nil { |
| if err = json.Indent(indented, obj, "", " "); err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| status = 1 |
| continue |
| } |
| } else { |
| // Has template, will render |
| var value interface{} |
| if err := json.Unmarshal(obj, &value); err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| status = 1 |
| continue |
| } |
| if err := tmpl.Execute(cli.out, value); err != nil { |
| return err |
| } |
| cli.out.Write([]byte{'\n'}) |
| } |
| indented.WriteString(",") |
| } |
| |
| if indented.Len() > 1 { |
| // Remove trailing ',' |
| indented.Truncate(indented.Len() - 1) |
| } |
| indented.WriteByte(']') |
| |
| if tmpl == nil { |
| if _, err := io.Copy(cli.out, indented); err != nil { |
| return err |
| } |
| } |
| |
| if status != 0 { |
| return &utils.StatusError{StatusCode: status} |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdTop(args ...string) error { |
| cmd := cli.Subcmd("top", "CONTAINER [ps OPTIONS]", "Lookup the running processes of a container") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() == 0 { |
| cmd.Usage() |
| return nil |
| } |
| val := url.Values{} |
| if cmd.NArg() > 1 { |
| val.Set("ps_args", strings.Join(cmd.Args()[1:], " ")) |
| } |
| |
| stream, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/top?"+val.Encode(), nil, false) |
| if err != nil { |
| return err |
| } |
| var procs engine.Env |
| if err := procs.Decode(stream); err != nil { |
| return err |
| } |
| w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0) |
| fmt.Fprintln(w, strings.Join(procs.GetList("Titles"), "\t")) |
| processes := [][]string{} |
| if err := procs.GetJson("Processes", &processes); err != nil { |
| return err |
| } |
| for _, proc := range processes { |
| fmt.Fprintln(w, strings.Join(proc, "\t")) |
| } |
| w.Flush() |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdPort(args ...string) error { |
| cmd := cli.Subcmd("port", "CONTAINER PRIVATE_PORT", "Lookup the public-facing port which is NAT-ed to PRIVATE_PORT") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() != 2 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var ( |
| port = cmd.Arg(1) |
| proto = "tcp" |
| parts = strings.SplitN(port, "/", 2) |
| ) |
| |
| if len(parts) == 2 && len(parts[1]) != 0 { |
| port = parts[0] |
| proto = parts[1] |
| } |
| |
| steam, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/json", nil, false) |
| if err != nil { |
| return err |
| } |
| |
| env := engine.Env{} |
| if err := env.Decode(steam); err != nil { |
| return err |
| } |
| ports := nat.PortMap{} |
| if err := env.GetSubEnv("NetworkSettings").GetJson("Ports", &ports); err != nil { |
| return err |
| } |
| |
| if frontends, exists := ports[nat.Port(port+"/"+proto)]; exists && frontends != nil { |
| for _, frontend := range frontends { |
| fmt.Fprintf(cli.out, "%s:%s\n", frontend.HostIp, frontend.HostPort) |
| } |
| return nil |
| } |
| |
| return fmt.Errorf("Error: No public port '%s' published for %s", cmd.Arg(1), cmd.Arg(0)) |
| } |
| |
| // 'docker rmi IMAGE' removes all images with the name IMAGE |
| func (cli *DockerCli) CmdRmi(args ...string) error { |
| var ( |
| cmd = cli.Subcmd("rmi", "IMAGE [IMAGE...]", "Remove one or more images") |
| force = cmd.Bool([]string{"f", "-force"}, false, "Force") |
| noprune = cmd.Bool([]string{"-no-prune"}, false, "Do not delete untagged parents") |
| ) |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() < 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| v := url.Values{} |
| if *force { |
| v.Set("force", "1") |
| } |
| if *noprune { |
| v.Set("noprune", "1") |
| } |
| |
| var encounteredError error |
| for _, name := range cmd.Args() { |
| body, _, err := readBody(cli.call("DELETE", "/images/"+name+"?"+v.Encode(), nil, false)) |
| if err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| encounteredError = fmt.Errorf("Error: failed to remove one or more images") |
| } else { |
| outs := engine.NewTable("Created", 0) |
| if _, err := outs.ReadListFrom(body); err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| encounteredError = fmt.Errorf("Error: failed to remove one or more images") |
| continue |
| } |
| for _, out := range outs.Data { |
| if out.Get("Deleted") != "" { |
| fmt.Fprintf(cli.out, "Deleted: %s\n", out.Get("Deleted")) |
| } else { |
| fmt.Fprintf(cli.out, "Untagged: %s\n", out.Get("Untagged")) |
| } |
| } |
| } |
| } |
| return encounteredError |
| } |
| |
| func (cli *DockerCli) CmdHistory(args ...string) error { |
| cmd := cli.Subcmd("history", "[OPTIONS] IMAGE", "Show the history of an image") |
| quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs") |
| noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output") |
| |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| body, _, err := readBody(cli.call("GET", "/images/"+cmd.Arg(0)+"/history", nil, false)) |
| if err != nil { |
| return err |
| } |
| |
| outs := engine.NewTable("Created", 0) |
| if _, err := outs.ReadListFrom(body); err != nil { |
| return err |
| } |
| |
| w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0) |
| if !*quiet { |
| fmt.Fprintln(w, "IMAGE\tCREATED\tCREATED BY\tSIZE") |
| } |
| |
| for _, out := range outs.Data { |
| outID := out.Get("Id") |
| if !*quiet { |
| if *noTrunc { |
| fmt.Fprintf(w, "%s\t", outID) |
| } else { |
| fmt.Fprintf(w, "%s\t", utils.TruncateID(outID)) |
| } |
| |
| fmt.Fprintf(w, "%s ago\t", units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0)))) |
| |
| if *noTrunc { |
| fmt.Fprintf(w, "%s\t", out.Get("CreatedBy")) |
| } else { |
| fmt.Fprintf(w, "%s\t", utils.Trunc(out.Get("CreatedBy"), 45)) |
| } |
| fmt.Fprintf(w, "%s\n", units.HumanSize(out.GetInt64("Size"))) |
| } else { |
| if *noTrunc { |
| fmt.Fprintln(w, outID) |
| } else { |
| fmt.Fprintln(w, utils.TruncateID(outID)) |
| } |
| } |
| } |
| w.Flush() |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdRm(args ...string) error { |
| cmd := cli.Subcmd("rm", "[OPTIONS] CONTAINER [CONTAINER...]", "Remove one or more containers") |
| v := cmd.Bool([]string{"v", "-volumes"}, false, "Remove the volumes associated to the container") |
| link := cmd.Bool([]string{"l", "#link", "-link"}, false, "Remove the specified link and not the underlying container") |
| force := cmd.Bool([]string{"f", "-force"}, false, "Force removal of running container") |
| |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() < 1 { |
| cmd.Usage() |
| return nil |
| } |
| val := url.Values{} |
| if *v { |
| val.Set("v", "1") |
| } |
| if *link { |
| val.Set("link", "1") |
| } |
| if *force { |
| val.Set("force", "1") |
| } |
| |
| var encounteredError error |
| for _, name := range cmd.Args() { |
| _, _, err := readBody(cli.call("DELETE", "/containers/"+name+"?"+val.Encode(), nil, false)) |
| if err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| encounteredError = fmt.Errorf("Error: failed to remove one or more containers") |
| } else { |
| fmt.Fprintf(cli.out, "%s\n", name) |
| } |
| } |
| return encounteredError |
| } |
| |
| // 'docker kill NAME' kills a running container |
| func (cli *DockerCli) CmdKill(args ...string) error { |
| cmd := cli.Subcmd("kill", "[OPTIONS] CONTAINER [CONTAINER...]", "Kill a running container (send SIGKILL, or specified signal)") |
| signal := cmd.String([]string{"s", "-signal"}, "KILL", "Signal to send to the container") |
| |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() < 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var encounteredError error |
| for _, name := range cmd.Args() { |
| if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/kill?signal=%s", name, *signal), nil, false)); err != nil { |
| fmt.Fprintf(cli.err, "%s\n", err) |
| encounteredError = fmt.Errorf("Error: failed to kill one or more containers") |
| } else { |
| fmt.Fprintf(cli.out, "%s\n", name) |
| } |
| } |
| return encounteredError |
| } |
| |
| func (cli *DockerCli) CmdImport(args ...string) error { |
| cmd := cli.Subcmd("import", "URL|- [REPOSITORY[:TAG]]", "Create an empty filesystem image and import the contents of the tarball (.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz) into it, then optionally tag it.") |
| |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() < 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var src, repository, tag string |
| |
| if cmd.NArg() == 3 { |
| fmt.Fprintf(cli.err, "[DEPRECATED] The format 'URL|- [REPOSITORY [TAG]]' as been deprecated. Please use URL|- [REPOSITORY[:TAG]]\n") |
| src, repository, tag = cmd.Arg(0), cmd.Arg(1), cmd.Arg(2) |
| } else { |
| src = cmd.Arg(0) |
| repository, tag = utils.ParseRepositoryTag(cmd.Arg(1)) |
| } |
| v := url.Values{} |
| |
| if repository != "" { |
| //Check if the given image name can be resolved |
| if _, _, err := registry.ResolveRepositoryName(repository); err != nil { |
| return err |
| } |
| } |
| |
| v.Set("repo", repository) |
| v.Set("tag", tag) |
| v.Set("fromSrc", src) |
| |
| var in io.Reader |
| |
| if src == "-" { |
| in = cli.in |
| } |
| |
| return cli.stream("POST", "/images/create?"+v.Encode(), in, cli.out, nil) |
| } |
| |
| func (cli *DockerCli) CmdPush(args ...string) error { |
| cmd := cli.Subcmd("push", "NAME[:TAG]", "Push an image or a repository to the registry") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| name := cmd.Arg(0) |
| |
| if name == "" { |
| cmd.Usage() |
| return nil |
| } |
| |
| cli.LoadConfigFile() |
| |
| remote, tag := utils.ParseRepositoryTag(name) |
| |
| // Resolve the Repository name from fqn to hostname + name |
| hostname, _, err := registry.ResolveRepositoryName(remote) |
| if err != nil { |
| return err |
| } |
| // Resolve the Auth config relevant for this server |
| authConfig := cli.configFile.ResolveAuthConfig(hostname) |
| // If we're not using a custom registry, we know the restrictions |
| // applied to repository names and can warn the user in advance. |
| // Custom repositories can have different rules, and we must also |
| // allow pushing by image ID. |
| if len(strings.SplitN(name, "/", 2)) == 1 { |
| username := cli.configFile.Configs[registry.IndexServerAddress()].Username |
| if username == "" { |
| username = "<user>" |
| } |
| return fmt.Errorf("You cannot push a \"root\" repository. Please rename your repository in <user>/<repo> (ex: %s/%s)", username, name) |
| } |
| |
| v := url.Values{} |
| v.Set("tag", tag) |
| push := func(authConfig registry.AuthConfig) error { |
| buf, err := json.Marshal(authConfig) |
| if err != nil { |
| return err |
| } |
| registryAuthHeader := []string{ |
| base64.URLEncoding.EncodeToString(buf), |
| } |
| |
| return cli.stream("POST", "/images/"+remote+"/push?"+v.Encode(), nil, cli.out, map[string][]string{ |
| "X-Registry-Auth": registryAuthHeader, |
| }) |
| } |
| |
| if err := push(authConfig); err != nil { |
| if strings.Contains(err.Error(), "Status 401") { |
| fmt.Fprintln(cli.out, "\nPlease login prior to push:") |
| if err := cli.CmdLogin(hostname); err != nil { |
| return err |
| } |
| authConfig := cli.configFile.ResolveAuthConfig(hostname) |
| return push(authConfig) |
| } |
| return err |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdPull(args ...string) error { |
| cmd := cli.Subcmd("pull", "NAME[:TAG]", "Pull an image or a repository from the registry") |
| tag := cmd.String([]string{"#t", "#-tag"}, "", "Download tagged image in repository") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| remote, parsedTag := utils.ParseRepositoryTag(cmd.Arg(0)) |
| if *tag == "" { |
| *tag = parsedTag |
| } |
| |
| // Resolve the Repository name from fqn to hostname + name |
| hostname, _, err := registry.ResolveRepositoryName(remote) |
| if err != nil { |
| return err |
| } |
| |
| cli.LoadConfigFile() |
| |
| // Resolve the Auth config relevant for this server |
| authConfig := cli.configFile.ResolveAuthConfig(hostname) |
| v := url.Values{} |
| v.Set("fromImage", remote) |
| v.Set("tag", *tag) |
| |
| pull := func(authConfig registry.AuthConfig) error { |
| buf, err := json.Marshal(authConfig) |
| if err != nil { |
| return err |
| } |
| registryAuthHeader := []string{ |
| base64.URLEncoding.EncodeToString(buf), |
| } |
| |
| return cli.stream("POST", "/images/create?"+v.Encode(), nil, cli.out, map[string][]string{ |
| "X-Registry-Auth": registryAuthHeader, |
| }) |
| } |
| |
| if err := pull(authConfig); err != nil { |
| if strings.Contains(err.Error(), "Status 401") { |
| fmt.Fprintln(cli.out, "\nPlease login prior to pull:") |
| if err := cli.CmdLogin(hostname); err != nil { |
| return err |
| } |
| authConfig := cli.configFile.ResolveAuthConfig(hostname) |
| return pull(authConfig) |
| } |
| return err |
| } |
| |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdImages(args ...string) error { |
| cmd := cli.Subcmd("images", "[OPTIONS] [NAME]", "List images") |
| quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only show numeric IDs") |
| all := cmd.Bool([]string{"a", "-all"}, false, "Show all images (by default filter out the intermediate image layers)") |
| noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output") |
| // FIXME: --viz and --tree are deprecated. Remove them in a future version. |
| flViz := cmd.Bool([]string{"#v", "#viz", "#-viz"}, false, "Output graph in graphviz format") |
| flTree := cmd.Bool([]string{"#t", "#tree", "#-tree"}, false, "Output graph in tree format") |
| |
| var flFilter opts.ListOpts |
| cmd.Var(&flFilter, []string{"f", "-filter"}, "Provide filter values (i.e. 'dangling=true')") |
| |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() > 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| // Consolidate all filter flags, and sanity check them early. |
| // They'll get process in the daemon/server. |
| imageFilterArgs := filters.Args{} |
| for _, f := range flFilter.GetAll() { |
| var err error |
| imageFilterArgs, err = filters.ParseFlag(f, imageFilterArgs) |
| if err != nil { |
| return err |
| } |
| } |
| |
| matchName := cmd.Arg(0) |
| // FIXME: --viz and --tree are deprecated. Remove them in a future version. |
| if *flViz || *flTree { |
| v := url.Values{ |
| "all": []string{"1"}, |
| } |
| if len(imageFilterArgs) > 0 { |
| filterJson, err := filters.ToParam(imageFilterArgs) |
| if err != nil { |
| return err |
| } |
| v.Set("filters", filterJson) |
| } |
| |
| body, _, err := readBody(cli.call("GET", "/images/json?"+v.Encode(), nil, false)) |
| if err != nil { |
| return err |
| } |
| |
| outs := engine.NewTable("Created", 0) |
| if _, err := outs.ReadListFrom(body); err != nil { |
| return err |
| } |
| |
| var ( |
| printNode func(cli *DockerCli, noTrunc bool, image *engine.Env, prefix string) |
| startImage *engine.Env |
| |
| roots = engine.NewTable("Created", outs.Len()) |
| byParent = make(map[string]*engine.Table) |
| ) |
| |
| for _, image := range outs.Data { |
| if image.Get("ParentId") == "" { |
| roots.Add(image) |
| } else { |
| if children, exists := byParent[image.Get("ParentId")]; exists { |
| children.Add(image) |
| } else { |
| byParent[image.Get("ParentId")] = engine.NewTable("Created", 1) |
| byParent[image.Get("ParentId")].Add(image) |
| } |
| } |
| |
| if matchName != "" { |
| if matchName == image.Get("Id") || matchName == utils.TruncateID(image.Get("Id")) { |
| startImage = image |
| } |
| |
| for _, repotag := range image.GetList("RepoTags") { |
| if repotag == matchName { |
| startImage = image |
| } |
| } |
| } |
| } |
| |
| if *flViz { |
| fmt.Fprintf(cli.out, "digraph docker {\n") |
| printNode = (*DockerCli).printVizNode |
| } else { |
| printNode = (*DockerCli).printTreeNode |
| } |
| |
| if startImage != nil { |
| root := engine.NewTable("Created", 1) |
| root.Add(startImage) |
| cli.WalkTree(*noTrunc, root, byParent, "", printNode) |
| } else if matchName == "" { |
| cli.WalkTree(*noTrunc, roots, byParent, "", printNode) |
| } |
| if *flViz { |
| fmt.Fprintf(cli.out, " base [style=invisible]\n}\n") |
| } |
| } else { |
| v := url.Values{} |
| if len(imageFilterArgs) > 0 { |
| filterJson, err := filters.ToParam(imageFilterArgs) |
| if err != nil { |
| return err |
| } |
| v.Set("filters", filterJson) |
| } |
| |
| if cmd.NArg() == 1 { |
| // FIXME rename this parameter, to not be confused with the filters flag |
| v.Set("filter", matchName) |
| } |
| if *all { |
| v.Set("all", "1") |
| } |
| |
| body, _, err := readBody(cli.call("GET", "/images/json?"+v.Encode(), nil, false)) |
| |
| if err != nil { |
| return err |
| } |
| |
| outs := engine.NewTable("Created", 0) |
| if _, err := outs.ReadListFrom(body); err != nil { |
| return err |
| } |
| |
| w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0) |
| if !*quiet { |
| fmt.Fprintln(w, "REPOSITORY\tTAG\tIMAGE ID\tCREATED\tVIRTUAL SIZE") |
| } |
| |
| for _, out := range outs.Data { |
| for _, repotag := range out.GetList("RepoTags") { |
| |
| repo, tag := utils.ParseRepositoryTag(repotag) |
| outID := out.Get("Id") |
| if !*noTrunc { |
| outID = utils.TruncateID(outID) |
| } |
| |
| if !*quiet { |
| fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\n", repo, tag, outID, units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))), units.HumanSize(out.GetInt64("VirtualSize"))) |
| } else { |
| fmt.Fprintln(w, outID) |
| } |
| } |
| } |
| |
| if !*quiet { |
| w.Flush() |
| } |
| } |
| return nil |
| } |
| |
| // FIXME: --viz and --tree are deprecated. Remove them in a future version. |
| func (cli *DockerCli) WalkTree(noTrunc bool, images *engine.Table, byParent map[string]*engine.Table, prefix string, printNode func(cli *DockerCli, noTrunc bool, image *engine.Env, prefix string)) { |
| length := images.Len() |
| if length > 1 { |
| for index, image := range images.Data { |
| if index+1 == length { |
| printNode(cli, noTrunc, image, prefix+"└─") |
| if subimages, exists := byParent[image.Get("Id")]; exists { |
| cli.WalkTree(noTrunc, subimages, byParent, prefix+" ", printNode) |
| } |
| } else { |
| printNode(cli, noTrunc, image, prefix+"\u251C─") |
| if subimages, exists := byParent[image.Get("Id")]; exists { |
| cli.WalkTree(noTrunc, subimages, byParent, prefix+"\u2502 ", printNode) |
| } |
| } |
| } |
| } else { |
| for _, image := range images.Data { |
| printNode(cli, noTrunc, image, prefix+"└─") |
| if subimages, exists := byParent[image.Get("Id")]; exists { |
| cli.WalkTree(noTrunc, subimages, byParent, prefix+" ", printNode) |
| } |
| } |
| } |
| } |
| |
| // FIXME: --viz and --tree are deprecated. Remove them in a future version. |
| func (cli *DockerCli) printVizNode(noTrunc bool, image *engine.Env, prefix string) { |
| var ( |
| imageID string |
| parentID string |
| ) |
| if noTrunc { |
| imageID = image.Get("Id") |
| parentID = image.Get("ParentId") |
| } else { |
| imageID = utils.TruncateID(image.Get("Id")) |
| parentID = utils.TruncateID(image.Get("ParentId")) |
| } |
| if parentID == "" { |
| fmt.Fprintf(cli.out, " base -> \"%s\" [style=invis]\n", imageID) |
| } else { |
| fmt.Fprintf(cli.out, " \"%s\" -> \"%s\"\n", parentID, imageID) |
| } |
| if image.GetList("RepoTags")[0] != "<none>:<none>" { |
| fmt.Fprintf(cli.out, " \"%s\" [label=\"%s\\n%s\",shape=box,fillcolor=\"paleturquoise\",style=\"filled,rounded\"];\n", |
| imageID, imageID, strings.Join(image.GetList("RepoTags"), "\\n")) |
| } |
| } |
| |
| // FIXME: --viz and --tree are deprecated. Remove them in a future version. |
| func (cli *DockerCli) printTreeNode(noTrunc bool, image *engine.Env, prefix string) { |
| var imageID string |
| if noTrunc { |
| imageID = image.Get("Id") |
| } else { |
| imageID = utils.TruncateID(image.Get("Id")) |
| } |
| |
| fmt.Fprintf(cli.out, "%s%s Virtual Size: %s", prefix, imageID, units.HumanSize(image.GetInt64("VirtualSize"))) |
| if image.GetList("RepoTags")[0] != "<none>:<none>" { |
| fmt.Fprintf(cli.out, " Tags: %s\n", strings.Join(image.GetList("RepoTags"), ", ")) |
| } else { |
| fmt.Fprint(cli.out, "\n") |
| } |
| } |
| |
| func (cli *DockerCli) CmdPs(args ...string) error { |
| cmd := cli.Subcmd("ps", "[OPTIONS]", "List containers") |
| quiet := cmd.Bool([]string{"q", "-quiet"}, false, "Only display numeric IDs") |
| size := cmd.Bool([]string{"s", "-size"}, false, "Display sizes") |
| all := cmd.Bool([]string{"a", "-all"}, false, "Show all containers. Only running containers are shown by default.") |
| noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output") |
| nLatest := cmd.Bool([]string{"l", "-latest"}, false, "Show only the latest created container, include non-running ones.") |
| since := cmd.String([]string{"#sinceId", "#-since-id", "-since"}, "", "Show only containers created since Id or Name, include non-running ones.") |
| before := cmd.String([]string{"#beforeId", "#-before-id", "-before"}, "", "Show only container created before Id or Name, include non-running ones.") |
| last := cmd.Int([]string{"n"}, -1, "Show n last created containers, include non-running ones.") |
| |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| v := url.Values{} |
| if *last == -1 && *nLatest { |
| *last = 1 |
| } |
| if *all { |
| v.Set("all", "1") |
| } |
| if *last != -1 { |
| v.Set("limit", strconv.Itoa(*last)) |
| } |
| if *since != "" { |
| v.Set("since", *since) |
| } |
| if *before != "" { |
| v.Set("before", *before) |
| } |
| if *size { |
| v.Set("size", "1") |
| } |
| |
| body, _, err := readBody(cli.call("GET", "/containers/json?"+v.Encode(), nil, false)) |
| if err != nil { |
| return err |
| } |
| |
| outs := engine.NewTable("Created", 0) |
| if _, err := outs.ReadListFrom(body); err != nil { |
| return err |
| } |
| w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0) |
| if !*quiet { |
| fmt.Fprint(w, "CONTAINER ID\tIMAGE\tCOMMAND\tCREATED\tSTATUS\tPORTS\tNAMES") |
| if *size { |
| fmt.Fprintln(w, "\tSIZE") |
| } else { |
| fmt.Fprint(w, "\n") |
| } |
| } |
| |
| for _, out := range outs.Data { |
| var ( |
| outID = out.Get("Id") |
| outNames = out.GetList("Names") |
| ) |
| |
| if !*noTrunc { |
| outID = utils.TruncateID(outID) |
| } |
| |
| // Remove the leading / from the names |
| for i := 0; i < len(outNames); i++ { |
| outNames[i] = outNames[i][1:] |
| } |
| |
| if !*quiet { |
| var ( |
| outCommand = out.Get("Command") |
| ports = engine.NewTable("", 0) |
| ) |
| if !*noTrunc { |
| outCommand = utils.Trunc(outCommand, 20) |
| } |
| ports.ReadListFrom([]byte(out.Get("Ports"))) |
| fmt.Fprintf(w, "%s\t%s\t%s\t%s ago\t%s\t%s\t%s\t", outID, out.Get("Image"), outCommand, units.HumanDuration(time.Now().UTC().Sub(time.Unix(out.GetInt64("Created"), 0))), out.Get("Status"), api.DisplayablePorts(ports), strings.Join(outNames, ",")) |
| if *size { |
| if out.GetInt("SizeRootFs") > 0 { |
| fmt.Fprintf(w, "%s (virtual %s)\n", units.HumanSize(out.GetInt64("SizeRw")), units.HumanSize(out.GetInt64("SizeRootFs"))) |
| } else { |
| fmt.Fprintf(w, "%s\n", units.HumanSize(out.GetInt64("SizeRw"))) |
| } |
| } else { |
| fmt.Fprint(w, "\n") |
| } |
| } else { |
| fmt.Fprintln(w, outID) |
| } |
| } |
| |
| if !*quiet { |
| w.Flush() |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdCommit(args ...string) error { |
| cmd := cli.Subcmd("commit", "[OPTIONS] CONTAINER [REPOSITORY[:TAG]]", "Create a new image from a container's changes") |
| flComment := cmd.String([]string{"m", "-message"}, "", "Commit message") |
| flAuthor := cmd.String([]string{"a", "#author", "-author"}, "", "Author (eg. \"John Hannibal Smith <hannibal@a-team.com>\"") |
| // FIXME: --run is deprecated, it will be replaced with inline Dockerfile commands. |
| flConfig := cmd.String([]string{"#run", "#-run"}, "", "this option is deprecated and will be removed in a future version in favor of inline Dockerfile-compatible commands") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| |
| var name, repository, tag string |
| |
| if cmd.NArg() == 3 { |
| fmt.Fprintf(cli.err, "[DEPRECATED] The format 'CONTAINER [REPOSITORY [TAG]]' as been deprecated. Please use CONTAINER [REPOSITORY[:TAG]]\n") |
| name, repository, tag = cmd.Arg(0), cmd.Arg(1), cmd.Arg(2) |
| } else { |
| name = cmd.Arg(0) |
| repository, tag = utils.ParseRepositoryTag(cmd.Arg(1)) |
| } |
| |
| if name == "" { |
| cmd.Usage() |
| return nil |
| } |
| |
| //Check if the given image name can be resolved |
| if repository != "" { |
| if _, _, err := registry.ResolveRepositoryName(repository); err != nil { |
| return err |
| } |
| } |
| |
| v := url.Values{} |
| v.Set("container", name) |
| v.Set("repo", repository) |
| v.Set("tag", tag) |
| v.Set("comment", *flComment) |
| v.Set("author", *flAuthor) |
| var ( |
| config *runconfig.Config |
| env engine.Env |
| ) |
| if *flConfig != "" { |
| config = &runconfig.Config{} |
| if err := json.Unmarshal([]byte(*flConfig), config); err != nil { |
| return err |
| } |
| } |
| stream, _, err := cli.call("POST", "/commit?"+v.Encode(), config, false) |
| if err != nil { |
| return err |
| } |
| if err := env.Decode(stream); err != nil { |
| return err |
| } |
| |
| fmt.Fprintf(cli.out, "%s\n", env.Get("Id")) |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdEvents(args ...string) error { |
| cmd := cli.Subcmd("events", "[OPTIONS]", "Get real time events from the server") |
| since := cmd.String([]string{"#since", "-since"}, "", "Show all events created since timestamp") |
| until := cmd.String([]string{"-until"}, "", "Stream events until this timestamp") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| |
| if cmd.NArg() != 0 { |
| cmd.Usage() |
| return nil |
| } |
| var ( |
| v = url.Values{} |
| loc = time.FixedZone(time.Now().Zone()) |
| ) |
| var setTime = func(key, value string) { |
| format := "2006-01-02 15:04:05 -0700 MST" |
| if len(value) < len(format) { |
| format = format[:len(value)] |
| } |
| if t, err := time.ParseInLocation(format, value, loc); err == nil { |
| v.Set(key, strconv.FormatInt(t.Unix(), 10)) |
| } else { |
| v.Set(key, value) |
| } |
| } |
| if *since != "" { |
| setTime("since", *since) |
| } |
| if *until != "" { |
| setTime("until", *until) |
| } |
| if err := cli.stream("GET", "/events?"+v.Encode(), nil, cli.out, nil); err != nil { |
| return err |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdExport(args ...string) error { |
| cmd := cli.Subcmd("export", "CONTAINER", "Export the contents of a filesystem as a tar archive to STDOUT") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| if err := cli.stream("GET", "/containers/"+cmd.Arg(0)+"/export", nil, cli.out, nil); err != nil { |
| return err |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdDiff(args ...string) error { |
| cmd := cli.Subcmd("diff", "CONTAINER", "Inspect changes on a container's filesystem") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| body, _, err := readBody(cli.call("GET", "/containers/"+cmd.Arg(0)+"/changes", nil, false)) |
| |
| if err != nil { |
| return err |
| } |
| |
| outs := engine.NewTable("", 0) |
| if _, err := outs.ReadListFrom(body); err != nil { |
| return err |
| } |
| for _, change := range outs.Data { |
| var kind string |
| switch change.GetInt("Kind") { |
| case archive.ChangeModify: |
| kind = "C" |
| case archive.ChangeAdd: |
| kind = "A" |
| case archive.ChangeDelete: |
| kind = "D" |
| } |
| fmt.Fprintf(cli.out, "%s %s\n", kind, change.Get("Path")) |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdLogs(args ...string) error { |
| var ( |
| cmd = cli.Subcmd("logs", "CONTAINER", "Fetch the logs of a container") |
| follow = cmd.Bool([]string{"f", "-follow"}, false, "Follow log output") |
| times = cmd.Bool([]string{"t", "-timestamps"}, false, "Show timestamps") |
| ) |
| |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| name := cmd.Arg(0) |
| |
| steam, _, err := cli.call("GET", "/containers/"+name+"/json", nil, false) |
| if err != nil { |
| return err |
| } |
| |
| env := engine.Env{} |
| if err := env.Decode(steam); err != nil { |
| return err |
| } |
| |
| v := url.Values{} |
| v.Set("stdout", "1") |
| v.Set("stderr", "1") |
| |
| if *times { |
| v.Set("timestamps", "1") |
| } |
| |
| if *follow { |
| v.Set("follow", "1") |
| } |
| |
| return cli.streamHelper("GET", "/containers/"+name+"/logs?"+v.Encode(), env.GetSubEnv("Config").GetBool("Tty"), nil, cli.out, cli.err, nil) |
| } |
| |
| func (cli *DockerCli) CmdAttach(args ...string) error { |
| var ( |
| cmd = cli.Subcmd("attach", "[OPTIONS] CONTAINER", "Attach to a running container") |
| noStdin = cmd.Bool([]string{"#nostdin", "-no-stdin"}, false, "Do not attach stdin") |
| proxy = cmd.Bool([]string{"#sig-proxy", "-sig-proxy"}, true, "Proxify all received signal to the process (even in non-tty mode)") |
| ) |
| |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| name := cmd.Arg(0) |
| |
| stream, _, err := cli.call("GET", "/containers/"+name+"/json", nil, false) |
| if err != nil { |
| return err |
| } |
| |
| env := engine.Env{} |
| if err := env.Decode(stream); err != nil { |
| return err |
| } |
| |
| if !env.GetSubEnv("State").GetBool("Running") { |
| return fmt.Errorf("You cannot attach to a stopped container, start it first") |
| } |
| |
| var ( |
| config = env.GetSubEnv("Config") |
| tty = config.GetBool("Tty") |
| ) |
| |
| if tty && cli.isTerminal { |
| if err := cli.monitorTtySize(cmd.Arg(0)); err != nil { |
| utils.Debugf("Error monitoring TTY size: %s", err) |
| } |
| } |
| |
| var in io.ReadCloser |
| |
| v := url.Values{} |
| v.Set("stream", "1") |
| if !*noStdin && config.GetBool("OpenStdin") { |
| v.Set("stdin", "1") |
| in = cli.in |
| } |
| |
| v.Set("stdout", "1") |
| v.Set("stderr", "1") |
| |
| if *proxy && !tty { |
| sigc := cli.forwardAllSignals(cmd.Arg(0)) |
| defer signal.StopCatch(sigc) |
| } |
| |
| if err := cli.hijack("POST", "/containers/"+cmd.Arg(0)+"/attach?"+v.Encode(), tty, in, cli.out, cli.err, nil); err != nil { |
| return err |
| } |
| |
| _, status, err := getExitCode(cli, cmd.Arg(0)) |
| if err != nil { |
| return err |
| } |
| if status != 0 { |
| return &utils.StatusError{StatusCode: status} |
| } |
| |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdSearch(args ...string) error { |
| cmd := cli.Subcmd("search", "TERM", "Search the docker index for images") |
| noTrunc := cmd.Bool([]string{"#notrunc", "-no-trunc"}, false, "Don't truncate output") |
| trusted := cmd.Bool([]string{"#t", "#trusted", "#-trusted"}, false, "Only show trusted builds") |
| automated := cmd.Bool([]string{"-automated"}, false, "Only show automated builds") |
| stars := cmd.Int([]string{"s", "#stars", "-stars"}, 0, "Only displays with at least xxx stars") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| v := url.Values{} |
| v.Set("term", cmd.Arg(0)) |
| |
| body, _, err := readBody(cli.call("GET", "/images/search?"+v.Encode(), nil, true)) |
| |
| if err != nil { |
| return err |
| } |
| outs := engine.NewTable("star_count", 0) |
| if _, err := outs.ReadListFrom(body); err != nil { |
| return err |
| } |
| w := tabwriter.NewWriter(cli.out, 10, 1, 3, ' ', 0) |
| fmt.Fprintf(w, "NAME\tDESCRIPTION\tSTARS\tOFFICIAL\tAUTOMATED\n") |
| for _, out := range outs.Data { |
| if ((*automated || *trusted) && (!out.GetBool("is_trusted") && !out.GetBool("is_automated"))) || (*stars > out.GetInt("star_count")) { |
| continue |
| } |
| desc := strings.Replace(out.Get("description"), "\n", " ", -1) |
| desc = strings.Replace(desc, "\r", " ", -1) |
| if !*noTrunc && len(desc) > 45 { |
| desc = utils.Trunc(desc, 42) + "..." |
| } |
| fmt.Fprintf(w, "%s\t%s\t%d\t", out.Get("name"), desc, out.GetInt("star_count")) |
| if out.GetBool("is_official") { |
| fmt.Fprint(w, "[OK]") |
| |
| } |
| fmt.Fprint(w, "\t") |
| if out.GetBool("is_automated") || out.GetBool("is_trusted") { |
| fmt.Fprint(w, "[OK]") |
| } |
| fmt.Fprint(w, "\n") |
| } |
| w.Flush() |
| return nil |
| } |
| |
| // Ports type - Used to parse multiple -p flags |
| type ports []int |
| |
| func (cli *DockerCli) CmdTag(args ...string) error { |
| cmd := cli.Subcmd("tag", "[OPTIONS] IMAGE [REGISTRYHOST/][USERNAME/]NAME[:TAG]", "Tag an image into a repository") |
| force := cmd.Bool([]string{"f", "#force", "-force"}, false, "Force") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| if cmd.NArg() != 2 && cmd.NArg() != 3 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var repository, tag string |
| |
| if cmd.NArg() == 3 { |
| fmt.Fprintf(cli.err, "[DEPRECATED] The format 'IMAGE [REPOSITORY [TAG]]' as been deprecated. Please use IMAGE [REGISTRYHOST/][USERNAME/]NAME[:TAG]]\n") |
| repository, tag = cmd.Arg(1), cmd.Arg(2) |
| } else { |
| repository, tag = utils.ParseRepositoryTag(cmd.Arg(1)) |
| } |
| |
| v := url.Values{} |
| |
| //Check if the given image name can be resolved |
| if _, _, err := registry.ResolveRepositoryName(repository); err != nil { |
| return err |
| } |
| v.Set("repo", repository) |
| v.Set("tag", tag) |
| |
| if *force { |
| v.Set("force", "1") |
| } |
| |
| if _, _, err := readBody(cli.call("POST", "/images/"+cmd.Arg(0)+"/tag?"+v.Encode(), nil, false)); err != nil { |
| return err |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdRun(args ...string) error { |
| // FIXME: just use runconfig.Parse already |
| config, hostConfig, cmd, err := runconfig.ParseSubcommand(cli.Subcmd("run", "[OPTIONS] IMAGE [COMMAND] [ARG...]", "Run a command in a new container"), args, nil) |
| if err != nil { |
| return err |
| } |
| if config.Image == "" { |
| cmd.Usage() |
| return nil |
| } |
| |
| // Retrieve relevant client-side config |
| var ( |
| flName = cmd.Lookup("name") |
| flRm = cmd.Lookup("rm") |
| flSigProxy = cmd.Lookup("sig-proxy") |
| autoRemove, _ = strconv.ParseBool(flRm.Value.String()) |
| sigProxy, _ = strconv.ParseBool(flSigProxy.Value.String()) |
| ) |
| |
| // Disable sigProxy in case on TTY |
| if config.Tty { |
| sigProxy = false |
| } |
| |
| var containerIDFile io.WriteCloser |
| if len(hostConfig.ContainerIDFile) > 0 { |
| if _, err := os.Stat(hostConfig.ContainerIDFile); err == nil { |
| return fmt.Errorf("Container ID file found, make sure the other container isn't running or delete %s", hostConfig.ContainerIDFile) |
| } |
| if containerIDFile, err = os.Create(hostConfig.ContainerIDFile); err != nil { |
| return fmt.Errorf("Failed to create the container ID file: %s", err) |
| } |
| defer func() { |
| containerIDFile.Close() |
| var ( |
| cidFileInfo os.FileInfo |
| err error |
| ) |
| if cidFileInfo, err = os.Stat(hostConfig.ContainerIDFile); err != nil { |
| return |
| } |
| if cidFileInfo.Size() == 0 { |
| if err := os.Remove(hostConfig.ContainerIDFile); err != nil { |
| fmt.Printf("failed to remove CID file '%s': %s \n", hostConfig.ContainerIDFile, err) |
| } |
| } |
| }() |
| } |
| |
| containerValues := url.Values{} |
| if name := flName.Value.String(); name != "" { |
| containerValues.Set("name", name) |
| } |
| |
| //create the container |
| stream, statusCode, err := cli.call("POST", "/containers/create?"+containerValues.Encode(), config, false) |
| //if image not found try to pull it |
| if statusCode == 404 { |
| fmt.Fprintf(cli.err, "Unable to find image '%s' locally\n", config.Image) |
| |
| v := url.Values{} |
| repos, tag := utils.ParseRepositoryTag(config.Image) |
| // pull only the image tagged 'latest' if no tag was specified |
| if tag == "" { |
| tag = "latest" |
| } |
| v.Set("fromImage", repos) |
| v.Set("tag", tag) |
| |
| // Resolve the Repository name from fqn to hostname + name |
| hostname, _, err := registry.ResolveRepositoryName(repos) |
| if err != nil { |
| return err |
| } |
| |
| // Load the auth config file, to be able to pull the image |
| cli.LoadConfigFile() |
| |
| // Resolve the Auth config relevant for this server |
| authConfig := cli.configFile.ResolveAuthConfig(hostname) |
| buf, err := json.Marshal(authConfig) |
| if err != nil { |
| return err |
| } |
| |
| registryAuthHeader := []string{ |
| base64.URLEncoding.EncodeToString(buf), |
| } |
| if err = cli.stream("POST", "/images/create?"+v.Encode(), nil, cli.err, map[string][]string{"X-Registry-Auth": registryAuthHeader}); err != nil { |
| return err |
| } |
| if stream, _, err = cli.call("POST", "/containers/create?"+containerValues.Encode(), config, false); err != nil { |
| return err |
| } |
| } else if err != nil { |
| return err |
| } |
| |
| var runResult engine.Env |
| if err := runResult.Decode(stream); err != nil { |
| return err |
| } |
| |
| for _, warning := range runResult.GetList("Warnings") { |
| fmt.Fprintf(cli.err, "WARNING: %s\n", warning) |
| } |
| |
| if len(hostConfig.ContainerIDFile) > 0 { |
| if _, err = containerIDFile.Write([]byte(runResult.Get("Id"))); err != nil { |
| return fmt.Errorf("Failed to write the container ID to the file: %s", err) |
| } |
| } |
| |
| if sigProxy { |
| sigc := cli.forwardAllSignals(runResult.Get("Id")) |
| defer signal.StopCatch(sigc) |
| } |
| |
| var ( |
| waitDisplayId chan struct{} |
| errCh chan error |
| ) |
| |
| if !config.AttachStdout && !config.AttachStderr { |
| // Make this asynchrone in order to let the client write to stdin before having to read the ID |
| waitDisplayId = make(chan struct{}) |
| go func() { |
| defer close(waitDisplayId) |
| fmt.Fprintf(cli.out, "%s\n", runResult.Get("Id")) |
| }() |
| } |
| |
| // We need to instanciate the chan because the select needs it. It can |
| // be closed but can't be uninitialized. |
| hijacked := make(chan io.Closer) |
| |
| // Block the return until the chan gets closed |
| defer func() { |
| utils.Debugf("End of CmdRun(), Waiting for hijack to finish.") |
| if _, ok := <-hijacked; ok { |
| utils.Errorf("Hijack did not finish (chan still open)") |
| } |
| }() |
| |
| if config.AttachStdin || config.AttachStdout || config.AttachStderr { |
| var ( |
| out, stderr io.Writer |
| in io.ReadCloser |
| v = url.Values{} |
| ) |
| v.Set("stream", "1") |
| |
| if config.AttachStdin { |
| v.Set("stdin", "1") |
| in = cli.in |
| } |
| if config.AttachStdout { |
| v.Set("stdout", "1") |
| out = cli.out |
| } |
| if config.AttachStderr { |
| v.Set("stderr", "1") |
| if config.Tty { |
| stderr = cli.out |
| } else { |
| stderr = cli.err |
| } |
| } |
| |
| errCh = utils.Go(func() error { |
| return cli.hijack("POST", "/containers/"+runResult.Get("Id")+"/attach?"+v.Encode(), config.Tty, in, out, stderr, hijacked) |
| }) |
| } else { |
| close(hijacked) |
| } |
| |
| // Acknowledge the hijack before starting |
| select { |
| case closer := <-hijacked: |
| // Make sure that hijack gets closed when returning. (result |
| // in closing hijack chan and freeing server's goroutines. |
| if closer != nil { |
| defer closer.Close() |
| } |
| case err := <-errCh: |
| if err != nil { |
| utils.Debugf("Error hijack: %s", err) |
| return err |
| } |
| } |
| |
| //start the container |
| if _, _, err = readBody(cli.call("POST", "/containers/"+runResult.Get("Id")+"/start", hostConfig, false)); err != nil { |
| return err |
| } |
| |
| if (config.AttachStdin || config.AttachStdout || config.AttachStderr) && config.Tty && cli.isTerminal { |
| if err := cli.monitorTtySize(runResult.Get("Id")); err != nil { |
| utils.Errorf("Error monitoring TTY size: %s\n", err) |
| } |
| } |
| |
| if errCh != nil { |
| if err := <-errCh; err != nil { |
| utils.Debugf("Error hijack: %s", err) |
| return err |
| } |
| } |
| |
| // Detached mode: wait for the id to be displayed and return. |
| if !config.AttachStdout && !config.AttachStderr { |
| // Detached mode |
| <-waitDisplayId |
| return nil |
| } |
| |
| var status int |
| |
| // Attached mode |
| if autoRemove { |
| // Autoremove: wait for the container to finish, retrieve |
| // the exit code and remove the container |
| if _, _, err := readBody(cli.call("POST", "/containers/"+runResult.Get("Id")+"/wait", nil, false)); err != nil { |
| return err |
| } |
| if _, status, err = getExitCode(cli, runResult.Get("Id")); err != nil { |
| return err |
| } |
| if _, _, err := readBody(cli.call("DELETE", "/containers/"+runResult.Get("Id")+"?v=1", nil, false)); err != nil { |
| return err |
| } |
| } else { |
| if !config.Tty { |
| // In non-tty mode, we can't dettach, so we know we need to wait. |
| if status, err = waitForExit(cli, runResult.Get("Id")); err != nil { |
| return err |
| } |
| } else { |
| // In TTY mode, there is a race. If the process dies too slowly, the state can be update after the getExitCode call |
| // and result in a wrong exit code. |
| // No Autoremove: Simply retrieve the exit code |
| if _, status, err = getExitCode(cli, runResult.Get("Id")); err != nil { |
| return err |
| } |
| } |
| } |
| if status != 0 { |
| return &utils.StatusError{StatusCode: status} |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdCp(args ...string) error { |
| cmd := cli.Subcmd("cp", "CONTAINER:PATH HOSTPATH", "Copy files/folders from the PATH to the HOSTPATH") |
| if err := cmd.Parse(args); err != nil { |
| return nil |
| } |
| |
| if cmd.NArg() != 2 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var copyData engine.Env |
| info := strings.Split(cmd.Arg(0), ":") |
| |
| if len(info) != 2 { |
| return fmt.Errorf("Error: Path not specified") |
| } |
| |
| copyData.Set("Resource", info[1]) |
| copyData.Set("HostPath", cmd.Arg(1)) |
| |
| stream, statusCode, err := cli.call("POST", "/containers/"+info[0]+"/copy", copyData, false) |
| if stream != nil { |
| defer stream.Close() |
| } |
| if statusCode == 404 { |
| return fmt.Errorf("No such container: %v", info[0]) |
| } |
| if err != nil { |
| return err |
| } |
| |
| if statusCode == 200 { |
| if err := archive.Untar(stream, copyData.Get("HostPath"), &archive.TarOptions{NoLchown: true}); err != nil { |
| return err |
| } |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdSave(args ...string) error { |
| cmd := cli.Subcmd("save", "IMAGE", "Save an image to a tar archive (streamed to stdout by default)") |
| outfile := cmd.String([]string{"o", "-output"}, "", "Write to an file, instead of STDOUT") |
| |
| if err := cmd.Parse(args); err != nil { |
| return err |
| } |
| |
| if cmd.NArg() != 1 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var ( |
| output io.Writer = cli.out |
| err error |
| ) |
| if *outfile != "" { |
| output, err = os.Create(*outfile) |
| if err != nil { |
| return err |
| } |
| } |
| image := cmd.Arg(0) |
| if err := cli.stream("GET", "/images/"+image+"/get", nil, output, nil); err != nil { |
| return err |
| } |
| return nil |
| } |
| |
| func (cli *DockerCli) CmdLoad(args ...string) error { |
| cmd := cli.Subcmd("load", "", "Load an image from a tar archive on STDIN") |
| infile := cmd.String([]string{"i", "-input"}, "", "Read from a tar archive file, instead of STDIN") |
| |
| if err := cmd.Parse(args); err != nil { |
| return err |
| } |
| |
| if cmd.NArg() != 0 { |
| cmd.Usage() |
| return nil |
| } |
| |
| var ( |
| input io.Reader = cli.in |
| err error |
| ) |
| if *infile != "" { |
| input, err = os.Open(*infile) |
| if err != nil { |
| return err |
| } |
| } |
| if err := cli.stream("POST", "/images/load", input, cli.out, nil); err != nil { |
| return err |
| } |
| return nil |
| } |