| package main |
| |
| import ( |
| "flag" |
| "fmt" |
| "github.com/dotcloud/docker" |
| "github.com/dotcloud/docker/engine" |
| "github.com/dotcloud/docker/sysinit" |
| "github.com/dotcloud/docker/utils" |
| "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 |
| } |
| |
| var ( |
| flVersion = flag.Bool("v", false, "Print version information and quit") |
| flDaemon = flag.Bool("d", false, "Enable daemon mode") |
| flDebug = flag.Bool("D", false, "Enable 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", "Path to use for daemon PID file") |
| 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 headers in the remote API") |
| flDns = docker.NewListOpts(docker.ValidateIp4Address) |
| flEnableIptables = flag.Bool("iptables", true, "Disable docker's addition of iptables rules") |
| flDefaultIp = flag.String("ip", "0.0.0.0", "Default IP address to use when binding container ports") |
| flInterContainerComm = flag.Bool("icc", true, "Enable inter-container communication") |
| flGraphDriver = flag.String("s", "", "Force the docker runtime to use a specific storage driver") |
| flHosts = docker.NewListOpts(docker.ValidateHost) |
| ) |
| flag.Var(&flDns, "dns", "Force docker to use specific DNS servers") |
| flag.Var(&flHosts, "H", "Multiple tcp://host:port or unix://path/to/socket to bind in daemon mode, single connection otherwise") |
| |
| flag.Parse() |
| |
| if *flVersion { |
| showVersion() |
| return |
| } |
| if flHosts.Len() == 0 { |
| // If we do not have a host, default to unix socket |
| flHosts.Set(fmt.Sprintf("unix://%s", docker.DEFAULTUNIXSOCKET)) |
| } |
| |
| 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) |
| } |
| // Load plugin: httpapi |
| job := eng.Job("initapi") |
| job.Setenv("Pidfile", *pidfile) |
| job.Setenv("Root", *flRoot) |
| job.SetenvBool("AutoRestart", *flAutoRestart) |
| job.SetenvBool("EnableCors", *flEnableCors) |
| job.SetenvList("Dns", flDns.GetAll()) |
| job.SetenvBool("EnableIptables", *flEnableIptables) |
| job.Setenv("BridgeIface", *bridgeName) |
| job.Setenv("DefaultIp", *flDefaultIp) |
| job.SetenvBool("InterContainerCommunication", *flInterContainerComm) |
| job.Setenv("GraphDriver", *flGraphDriver) |
| if err := job.Run(); err != nil { |
| log.Fatal(err) |
| } |
| // Serve api |
| job = eng.Job("serveapi", flHosts.GetAll()...) |
| job.SetenvBool("Logging", true) |
| if err := job.Run(); err != nil { |
| log.Fatal(err) |
| } |
| } else { |
| if flHosts.Len() > 1 { |
| log.Fatal("Please specify only one -H") |
| } |
| protoAddrParts := strings.SplitN(flHosts.GetAll()[0], "://", 2) |
| if err := docker.ParseCommands(protoAddrParts[0], protoAddrParts[1], flag.Args()...); err != nil { |
| if sterr, ok := err.(*utils.StatusError); ok { |
| if sterr.Status != "" { |
| log.Println(sterr.Status) |
| } |
| os.Exit(sterr.StatusCode) |
| } |
| log.Fatal(err) |
| } |
| } |
| } |
| |
| func showVersion() { |
| fmt.Printf("Docker version %s, build %s\n", VERSION, GITCOMMIT) |
| } |