| package daemon |
| |
| import ( |
| "net" |
| |
| "github.com/docker/docker/daemon/networkdriver" |
| "github.com/docker/docker/opts" |
| flag "github.com/docker/docker/pkg/mflag" |
| "github.com/docker/docker/pkg/ulimit" |
| "github.com/docker/docker/runconfig" |
| ) |
| |
| const ( |
| defaultNetworkMtu = 1500 |
| disableNetworkBridge = "none" |
| ) |
| |
| // Config define the configuration of a docker daemon |
| // These are the configuration settings that you pass |
| // to the docker daemon when you launch it with say: `docker -d -e lxc` |
| // FIXME: separate runtime configuration from http api configuration |
| type Config struct { |
| Pidfile string |
| Root string |
| AutoRestart bool |
| Dns []string |
| DnsSearch []string |
| EnableIPv6 bool |
| EnableIptables bool |
| EnableIpForward bool |
| EnableIpMasq bool |
| DefaultIp net.IP |
| BridgeIface string |
| BridgeIP string |
| FixedCIDR string |
| FixedCIDRv6 string |
| InterContainerCommunication bool |
| GraphDriver string |
| GraphOptions []string |
| ExecDriver string |
| Mtu int |
| SocketGroup string |
| EnableCors bool |
| CorsHeaders string |
| DisableNetwork bool |
| EnableSelinuxSupport bool |
| Context map[string][]string |
| TrustKeyPath string |
| Labels []string |
| Ulimits map[string]*ulimit.Ulimit |
| LogConfig runconfig.LogConfig |
| } |
| |
| // InstallFlags adds command-line options to the top-level flag parser for |
| // the current process. |
| // Subsequent calls to `flag.Parse` will populate config with values parsed |
| // from the command-line. |
| func (config *Config) InstallFlags() { |
| flag.StringVar(&config.Pidfile, []string{"p", "-pidfile"}, "/var/run/docker.pid", "Path to use for daemon PID file") |
| flag.StringVar(&config.Root, []string{"g", "-graph"}, "/var/lib/docker", "Root of the Docker runtime") |
| flag.BoolVar(&config.AutoRestart, []string{"#r", "#-restart"}, true, "--restart on the daemon has been deprecated in favor of --restart policies on docker run") |
| flag.BoolVar(&config.EnableIptables, []string{"#iptables", "-iptables"}, true, "Enable addition of iptables rules") |
| flag.BoolVar(&config.EnableIpForward, []string{"#ip-forward", "-ip-forward"}, true, "Enable net.ipv4.ip_forward") |
| flag.BoolVar(&config.EnableIpMasq, []string{"-ip-masq"}, true, "Enable IP masquerading") |
| flag.BoolVar(&config.EnableIPv6, []string{"-ipv6"}, false, "Enable IPv6 networking") |
| flag.StringVar(&config.BridgeIP, []string{"#bip", "-bip"}, "", "Specify network bridge IP") |
| flag.StringVar(&config.BridgeIface, []string{"b", "-bridge"}, "", "Attach containers to a network bridge") |
| flag.StringVar(&config.FixedCIDR, []string{"-fixed-cidr"}, "", "IPv4 subnet for fixed IPs") |
| flag.StringVar(&config.FixedCIDRv6, []string{"-fixed-cidr-v6"}, "", "IPv6 subnet for fixed IPs") |
| flag.BoolVar(&config.InterContainerCommunication, []string{"#icc", "-icc"}, true, "Enable inter-container communication") |
| flag.StringVar(&config.GraphDriver, []string{"s", "-storage-driver"}, "", "Storage driver to use") |
| flag.StringVar(&config.ExecDriver, []string{"e", "-exec-driver"}, "native", "Exec driver to use") |
| flag.BoolVar(&config.EnableSelinuxSupport, []string{"-selinux-enabled"}, false, "Enable selinux support") |
| flag.IntVar(&config.Mtu, []string{"#mtu", "-mtu"}, 0, "Set the containers network MTU") |
| flag.StringVar(&config.SocketGroup, []string{"G", "-group"}, "docker", "Group for the unix socket") |
| 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") |
| flag.StringVar(&config.CorsHeaders, []string{"-api-cors-header"}, "", "Set CORS headers in the remote API") |
| opts.IPVar(&config.DefaultIp, []string{"#ip", "-ip"}, "0.0.0.0", "Default IP when binding container ports") |
| opts.ListVar(&config.GraphOptions, []string{"-storage-opt"}, "Set storage driver options") |
| // FIXME: why the inconsistency between "hosts" and "sockets"? |
| opts.IPListVar(&config.Dns, []string{"#dns", "-dns"}, "DNS server to use") |
| opts.DnsSearchListVar(&config.DnsSearch, []string{"-dns-search"}, "DNS search domains to use") |
| opts.LabelListVar(&config.Labels, []string{"-label"}, "Set key=value labels to the daemon") |
| config.Ulimits = make(map[string]*ulimit.Ulimit) |
| opts.UlimitMapVar(config.Ulimits, []string{"-default-ulimit"}, "Set default ulimits for containers") |
| flag.StringVar(&config.LogConfig.Type, []string{"-log-driver"}, "json-file", "Containers logging driver") |
| } |
| |
| func getDefaultNetworkMtu() int { |
| if iface, err := networkdriver.GetDefaultRouteIface(); err == nil { |
| return iface.MTU |
| } |
| return defaultNetworkMtu |
| } |