github.com/squaremo/docker@v1.3.2-0.20150516120342-42cfc9554972/daemon/config.go (about) 1 package daemon 2 3 import ( 4 "github.com/docker/docker/daemon/networkdriver" 5 "github.com/docker/docker/daemon/networkdriver/bridge" 6 "github.com/docker/docker/opts" 7 flag "github.com/docker/docker/pkg/mflag" 8 "github.com/docker/docker/runconfig" 9 ) 10 11 const ( 12 defaultNetworkMtu = 1500 13 disableNetworkBridge = "none" 14 ) 15 16 // CommonConfig defines the configuration of a docker daemon which are 17 // common across platforms. 18 type CommonConfig struct { 19 AutoRestart bool 20 Bridge bridge.Config 21 Context map[string][]string 22 CorsHeaders string 23 DisableNetwork bool 24 Dns []string 25 DnsSearch []string 26 EnableCors bool 27 ExecDriver string 28 ExecRoot string 29 GraphDriver string 30 Labels []string 31 LogConfig runconfig.LogConfig 32 Mtu int 33 Pidfile string 34 Root string 35 TrustKeyPath string 36 } 37 38 // InstallCommonFlags adds command-line options to the top-level flag parser for 39 // the current process. 40 // Subsequent calls to `flag.Parse` will populate config with values parsed 41 // from the command-line. 42 43 func (config *Config) InstallCommonFlags() { 44 flag.StringVar(&config.Pidfile, []string{"p", "-pidfile"}, defaultPidFile, "Path to use for daemon PID file") 45 flag.StringVar(&config.Root, []string{"g", "-graph"}, defaultGraph, "Root of the Docker runtime") 46 flag.StringVar(&config.ExecRoot, []string{"-exec-root"}, "/var/run/docker", "Root of the Docker execdriver") 47 flag.BoolVar(&config.AutoRestart, []string{"#r", "#-restart"}, true, "--restart on the daemon has been deprecated in favor of --restart policies on docker run") 48 flag.BoolVar(&config.Bridge.EnableIptables, []string{"#iptables", "-iptables"}, true, "Enable addition of iptables rules") 49 flag.BoolVar(&config.Bridge.EnableIpForward, []string{"#ip-forward", "-ip-forward"}, true, "Enable net.ipv4.ip_forward") 50 flag.BoolVar(&config.Bridge.EnableIpMasq, []string{"-ip-masq"}, true, "Enable IP masquerading") 51 flag.BoolVar(&config.Bridge.EnableIPv6, []string{"-ipv6"}, false, "Enable IPv6 networking") 52 flag.StringVar(&config.Bridge.IP, []string{"#bip", "-bip"}, "", "Specify network bridge IP") 53 flag.StringVar(&config.Bridge.Iface, []string{"b", "-bridge"}, "", "Attach containers to a network bridge") 54 flag.StringVar(&config.Bridge.FixedCIDR, []string{"-fixed-cidr"}, "", "IPv4 subnet for fixed IPs") 55 flag.StringVar(&config.Bridge.FixedCIDRv6, []string{"-fixed-cidr-v6"}, "", "IPv6 subnet for fixed IPs") 56 flag.StringVar(&config.Bridge.DefaultGatewayIPv4, []string{"-default-gateway"}, "", "Container default gateway IPv4 address") 57 flag.StringVar(&config.Bridge.DefaultGatewayIPv6, []string{"-default-gateway-v6"}, "", "Container default gateway IPv6 address") 58 flag.BoolVar(&config.Bridge.InterContainerCommunication, []string{"#icc", "-icc"}, true, "Enable inter-container communication") 59 flag.StringVar(&config.GraphDriver, []string{"s", "-storage-driver"}, "", "Storage driver to use") 60 flag.StringVar(&config.ExecDriver, []string{"e", "-exec-driver"}, "native", "Exec driver to use") 61 flag.IntVar(&config.Mtu, []string{"#mtu", "-mtu"}, 0, "Set the containers network MTU") 62 flag.BoolVar(&config.EnableCors, []string{"#api-enable-cors", "#-api-enable-cors"}, false, "Enable CORS headers in the remote API, this is deprecated by --api-cors-header") 63 flag.StringVar(&config.CorsHeaders, []string{"-api-cors-header"}, "", "Set CORS headers in the remote API") 64 opts.IPVar(&config.Bridge.DefaultIp, []string{"#ip", "-ip"}, "0.0.0.0", "Default IP when binding container ports") 65 // FIXME: why the inconsistency between "hosts" and "sockets"? 66 opts.IPListVar(&config.Dns, []string{"#dns", "-dns"}, "DNS server to use") 67 opts.DnsSearchListVar(&config.DnsSearch, []string{"-dns-search"}, "DNS search domains to use") 68 opts.LabelListVar(&config.Labels, []string{"-label"}, "Set key=value labels to the daemon") 69 flag.StringVar(&config.LogConfig.Type, []string{"-log-driver"}, "json-file", "Default driver for container logs") 70 opts.LogOptsVar(config.LogConfig.Config, []string{"-log-opt"}, "Set log driver options") 71 flag.BoolVar(&config.Bridge.EnableUserlandProxy, []string{"-userland-proxy"}, true, "Use userland proxy for loopback traffic") 72 73 } 74 75 func getDefaultNetworkMtu() int { 76 if iface, err := networkdriver.GetDefaultRouteIface(); err == nil { 77 return iface.MTU 78 } 79 return defaultNetworkMtu 80 }