package main import ( "flag" "fmt" "github.com/dotcloud/docker" "github.com/dotcloud/docker/sysinit" "github.com/dotcloud/docker/utils" "github.com/dotcloud/docker/engine" "log" "os" "strings" ) var ( GITCOMMIT string VERSION string ) func main() { if selfPath := utils.SelfPath(); selfPath == "/sbin/init" || selfPath == "/.dockerinit" { // Running in init mode sysinit.SysInit() return } // FIXME: Switch d and D ? (to be more sshd like) flVersion := flag.Bool("v", false, "Print version information and quit") flDaemon := flag.Bool("d", false, "Daemon mode") flDebug := flag.Bool("D", false, "Debug mode") flAutoRestart := flag.Bool("r", true, "Restart previously running containers") bridgeName := flag.String("b", "", "Attach containers to a pre-existing network bridge. Use 'none' to disable container networking") pidfile := flag.String("p", "/var/run/docker.pid", "File containing process PID") flRoot := flag.String("g", "/var/lib/docker", "Path to use as the root of the docker runtime.") flEnableCors := flag.Bool("api-enable-cors", false, "Enable CORS requests in the remote api.") flDns := flag.String("dns", "", "Set custom dns servers") flHosts := utils.ListOpts{fmt.Sprintf("unix://%s", docker.DEFAULTUNIXSOCKET)} flag.Var(&flHosts, "H", "tcp://host:port to bind/connect to or unix://path/to/socket to use") flEnableIptables := flag.Bool("iptables", true, "Disable iptables within docker") flDefaultIp := flag.String("ip", "0.0.0.0", "Default ip address to use when binding a containers ports") flInterContainerComm := flag.Bool("icc", true, "Enable inter-container communication") flag.Parse() if *flVersion { showVersion() return } if len(flHosts) > 1 { flHosts = flHosts[1:] //trick to display a nice default value in the usage } for i, flHost := range flHosts { host, err := utils.ParseHost(docker.DEFAULTHTTPHOST, docker.DEFAULTHTTPPORT, flHost) if err == nil { flHosts[i] = host } else { log.Fatal(err) } } if *flDebug { os.Setenv("DEBUG", "1") } docker.GITCOMMIT = GITCOMMIT docker.VERSION = VERSION if *flDaemon { if flag.NArg() != 0 { flag.Usage() return } eng, err := engine.New(*flRoot) if err != nil { log.Fatal(err) } job := eng.Job("serveapi") job.Setenv("Pidfile", *pidfile) job.Setenv("Root", *flRoot) job.SetenvBool("AutoRestart", *flAutoRestart) job.SetenvBool("EnableCors", *flEnableCors) job.Setenv("Dns", *flDns) job.SetenvBool("EnableIptables", *flEnableIptables) job.Setenv("BridgeIface", *bridgeName) job.SetenvList("ProtoAddresses", flHosts) job.Setenv("DefaultIp", *flDefaultIp) job.SetenvBool("InterContainerCommunication", *flInterContainerComm) if err := job.Run(); err != nil { log.Fatal(err) } } else { if len(flHosts) > 1 { log.Fatal("Please specify only one -H") } protoAddrParts := strings.SplitN(flHosts[0], "://", 2) if err := docker.ParseCommands(protoAddrParts[0], protoAddrParts[1], flag.Args()...); err != nil { if sterr, ok := err.(*utils.StatusError); ok { os.Exit(sterr.Status) } log.Fatal(err) } } } func showVersion() { fmt.Printf("Docker version %s, build %s\n", VERSION, GITCOMMIT) }