diff --git a/commands.go b/commands.go index 8c4630b828..5333ec40c3 100644 --- a/commands.go +++ b/commands.go @@ -30,8 +30,8 @@ var ( GIT_COMMIT string ) -func ParseCommands(args ...string) error { - cli := NewDockerCli("0.0.0.0", 4243) +func ParseCommands(addr string, port int, args ...string) error { + cli := NewDockerCli(addr, port) if len(args) > 0 { methodName := "Cmd" + strings.ToUpper(args[0][:1]) + strings.ToLower(args[0][1:]) @@ -53,7 +53,7 @@ func ParseCommands(args ...string) error { } func (cli *DockerCli) CmdHelp(args ...string) error { - help := "Usage: docker COMMAND [arg...]\n\nA self-sufficient runtime for linux containers.\n\nCommands:\n" + help := fmt.Sprintf("Usage: docker [OPTIONS] COMMAND [arg...]\n -H=\"%s:%d\": Host:port to bind/connect to\n\nA self-sufficient runtime for linux containers.\n\nCommands:\n", cli.addr, cli.port) for cmd, description := range map[string]string{ "attach": "Attach to a running container", "build": "Build a container from Dockerfile or via stdin", @@ -1167,7 +1167,7 @@ func (cli *DockerCli) call(method, path string, data interface{}) ([]byte, int, params = bytes.NewBuffer(buf) } - req, err := http.NewRequest(method, fmt.Sprintf("http://%s:%d/v%f", cli.host, cli.port, API_VERSION)+path, params) + req, err := http.NewRequest(method, fmt.Sprintf("http://%s:%d/v%g%s", cli.addr, cli.port, API_VERSION, path), params) if err != nil { return nil, -1, err } @@ -1199,7 +1199,7 @@ func (cli *DockerCli) stream(method, path string, in io.Reader, out io.Writer) e if (method == "POST" || method == "PUT") && in == nil { in = bytes.NewReader([]byte{}) } - req, err := http.NewRequest(method, fmt.Sprintf("http://%s:%d/v%f%s", cli.host, cli.port, API_VERSION, path), in) + req, err := http.NewRequest(method, fmt.Sprintf("http://%s:%d/v%g%s", cli.addr, cli.port, API_VERSION, path), in) if err != nil { return err } @@ -1230,12 +1230,12 @@ func (cli *DockerCli) stream(method, path string, in io.Reader, out io.Writer) e } func (cli *DockerCli) hijack(method, path string, setRawTerminal bool) error { - req, err := http.NewRequest(method, fmt.Sprintf("/v%f%s", API_VERSION, path), nil) + req, err := http.NewRequest(method, fmt.Sprintf("/v%g%s", API_VERSION, path), nil) if err != nil { return err } req.Header.Set("Content-Type", "plain/text") - dial, err := net.Dial("tcp", fmt.Sprintf("%s:%d", cli.host, cli.port)) + dial, err := net.Dial("tcp", fmt.Sprintf("%s:%d", cli.addr, cli.port)) if err != nil { return err } @@ -1289,11 +1289,11 @@ func Subcmd(name, signature, description string) *flag.FlagSet { return flags } -func NewDockerCli(host string, port int) *DockerCli { - return &DockerCli{host, port} +func NewDockerCli(addr string, port int) *DockerCli { + return &DockerCli{addr, port} } type DockerCli struct { - host string + addr string port int } diff --git a/docker/docker.go b/docker/docker.go index c8c1a65603..28b4d7f927 100644 --- a/docker/docker.go +++ b/docker/docker.go @@ -10,6 +10,7 @@ import ( "os" "os/signal" "strconv" + "strings" "syscall" ) @@ -23,18 +24,34 @@ func main() { docker.SysInit() return } + host:= "127.0.0.1" + port:= 4243 // FIXME: Switch d and D ? (to be more sshd like) flDaemon := flag.Bool("d", false, "Daemon mode") flDebug := flag.Bool("D", false, "Debug mode") flAutoRestart := flag.Bool("r", false, "Restart previously running containers") bridgeName := flag.String("b", "", "Attach containers to a pre-existing network bridge") pidfile := flag.String("p", "/var/run/docker.pid", "File containing process PID") + flHost := flag.String("H", fmt.Sprintf("%s:%d", host, port), "Host:port to bind/connect to") flag.Parse() if *bridgeName != "" { docker.NetworkBridgeIface = *bridgeName } else { docker.NetworkBridgeIface = docker.DefaultNetworkBridge } + + if strings.Contains(*flHost, ":") && len(strings.Split(*flHost, ":")) == 2 { + hostParts := strings.Split(*flHost, ":") + if hostParts[0] != "" { + host = hostParts[0] + } + if p, err := strconv.Atoi(hostParts[1]); err == nil { + port = p + } + } else if !strings.Contains(*flHost, ":") { + host = *flHost + } + if *flDebug { os.Setenv("DEBUG", "1") } @@ -44,12 +61,12 @@ func main() { flag.Usage() return } - if err := daemon(*pidfile, *flAutoRestart); err != nil { + if err := daemon(*pidfile, host, port, *flAutoRestart); err != nil { log.Fatal(err) os.Exit(-1) } } else { - if err := docker.ParseCommands(flag.Args()...); err != nil { + if err := docker.ParseCommands(host, port, flag.Args()...); err != nil { log.Fatal(err) os.Exit(-1) } @@ -83,7 +100,10 @@ func removePidFile(pidfile string) { } } -func daemon(pidfile string, autoRestart bool) error { +func daemon(pidfile, addr string, port int, autoRestart bool) error { + if addr != "127.0.0.1" { + log.Println("/!\\ DON'T BIND ON ANOTHER IP ADDRESS THAN 127.0.0.1 IF YOU DON'T KNOW WHAT YOU'RE DOING /!\\") + } if err := createPidFile(pidfile); err != nil { log.Fatal(err) } @@ -103,5 +123,5 @@ func daemon(pidfile string, autoRestart bool) error { return err } - return docker.ListenAndServe("0.0.0.0:4243", server, true) + return docker.ListenAndServe(fmt.Sprintf("%s:%d", addr, port), server, true) } diff --git a/docs/sources/commandline/cli.rst b/docs/sources/commandline/cli.rst index 1a341d3e5d..02691b4f56 100644 --- a/docs/sources/commandline/cli.rst +++ b/docs/sources/commandline/cli.rst @@ -14,7 +14,8 @@ To list available commands, either run ``docker`` with no parameters or execute ``docker help``:: $ docker - Usage: docker COMMAND [arg...] + Usage: docker [OPTIONS] COMMAND [arg...] + -H="127.0.0.1:4243": Host:port to bind/connect to A self-sufficient runtime for linux containers. diff --git a/docs/sources/use/basics.rst b/docs/sources/use/basics.rst index 6ae0711f11..378028703c 100644 --- a/docs/sources/use/basics.rst +++ b/docs/sources/use/basics.rst @@ -33,6 +33,19 @@ Running an interactive shell # allocate a tty, attach stdin and stdout docker run -i -t base /bin/bash +Bind Docker to another host/port +-------------------------------- + +If you want Docker to listen to another port and bind to another ip +use -host and -port on both deamon and client + +.. code-block:: bash + + # Run docker in daemon mode + sudo /docker -H 0.0.0.0:5555 & + # Download a base image + docker -H :5555 pull base + Starting a long-running worker process --------------------------------------