| // +build linux freebsd |
| |
| package daemon |
| |
| import ( |
| "net" |
| |
| "github.com/docker/docker/opts" |
| flag "github.com/docker/docker/pkg/mflag" |
| runconfigopts "github.com/docker/docker/runconfig/opts" |
| "github.com/docker/go-units" |
| ) |
| |
| var ( |
| defaultPidFile = "/var/run/docker.pid" |
| defaultGraph = "/var/lib/docker" |
| defaultExec = "native" |
| ) |
| |
| // Config defines the configuration of a docker daemon. |
| // It includes json tags to deserialize configuration from a file |
| // using the same names that the flags in the command line uses. |
| type Config struct { |
| CommonConfig |
| |
| // Fields below here are platform specific. |
| |
| CorsHeaders string `json:"api-cors-headers,omitempty"` |
| EnableCors bool `json:"api-enable-cors,omitempty"` |
| EnableSelinuxSupport bool `json:"selinux-enabled,omitempty"` |
| RemappedRoot string `json:"userns-remap,omitempty"` |
| SocketGroup string `json:"group,omitempty"` |
| CgroupParent string `json:"cgroup-parent,omitempty"` |
| Ulimits map[string]*units.Ulimit `json:"default-ulimits,omitempty"` |
| } |
| |
| // bridgeConfig stores all the bridge driver specific |
| // configuration. |
| type bridgeConfig struct { |
| EnableIPv6 bool |
| EnableIPTables bool |
| EnableIPForward bool |
| EnableIPMasq bool |
| EnableUserlandProxy bool |
| DefaultIP net.IP |
| Iface string |
| IP string |
| FixedCIDR string |
| FixedCIDRv6 string |
| DefaultGatewayIPv4 net.IP |
| DefaultGatewayIPv6 net.IP |
| InterContainerCommunication bool |
| } |
| |
| // 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(cmd *flag.FlagSet, usageFn func(string) string) { |
| // First handle install flags which are consistent cross-platform |
| config.InstallCommonFlags(cmd, usageFn) |
| |
| // Then platform-specific install flags |
| cmd.BoolVar(&config.EnableSelinuxSupport, []string{"-selinux-enabled"}, false, usageFn("Enable selinux support")) |
| cmd.StringVar(&config.SocketGroup, []string{"G", "-group"}, "docker", usageFn("Group for the unix socket")) |
| config.Ulimits = make(map[string]*units.Ulimit) |
| cmd.Var(runconfigopts.NewUlimitOpt(&config.Ulimits), []string{"-default-ulimit"}, usageFn("Set default ulimits for containers")) |
| cmd.BoolVar(&config.Bridge.EnableIPTables, []string{"#iptables", "-iptables"}, true, usageFn("Enable addition of iptables rules")) |
| cmd.BoolVar(&config.Bridge.EnableIPForward, []string{"#ip-forward", "-ip-forward"}, true, usageFn("Enable net.ipv4.ip_forward")) |
| cmd.BoolVar(&config.Bridge.EnableIPMasq, []string{"-ip-masq"}, true, usageFn("Enable IP masquerading")) |
| cmd.BoolVar(&config.Bridge.EnableIPv6, []string{"-ipv6"}, false, usageFn("Enable IPv6 networking")) |
| cmd.StringVar(&config.Bridge.IP, []string{"#bip", "-bip"}, "", usageFn("Specify network bridge IP")) |
| cmd.StringVar(&config.Bridge.Iface, []string{"b", "-bridge"}, "", usageFn("Attach containers to a network bridge")) |
| cmd.StringVar(&config.Bridge.FixedCIDR, []string{"-fixed-cidr"}, "", usageFn("IPv4 subnet for fixed IPs")) |
| cmd.StringVar(&config.Bridge.FixedCIDRv6, []string{"-fixed-cidr-v6"}, "", usageFn("IPv6 subnet for fixed IPs")) |
| cmd.Var(opts.NewIPOpt(&config.Bridge.DefaultGatewayIPv4, ""), []string{"-default-gateway"}, usageFn("Container default gateway IPv4 address")) |
| cmd.Var(opts.NewIPOpt(&config.Bridge.DefaultGatewayIPv6, ""), []string{"-default-gateway-v6"}, usageFn("Container default gateway IPv6 address")) |
| cmd.BoolVar(&config.Bridge.InterContainerCommunication, []string{"#icc", "-icc"}, true, usageFn("Enable inter-container communication")) |
| cmd.Var(opts.NewIPOpt(&config.Bridge.DefaultIP, "0.0.0.0"), []string{"#ip", "-ip"}, usageFn("Default IP when binding container ports")) |
| cmd.BoolVar(&config.Bridge.EnableUserlandProxy, []string{"-userland-proxy"}, true, usageFn("Use userland proxy for loopback traffic")) |
| cmd.BoolVar(&config.EnableCors, []string{"#api-enable-cors", "#-api-enable-cors"}, false, usageFn("Enable CORS headers in the remote API, this is deprecated by --api-cors-header")) |
| cmd.StringVar(&config.CorsHeaders, []string{"-api-cors-header"}, "", usageFn("Set CORS headers in the remote API")) |
| cmd.StringVar(&config.CgroupParent, []string{"-cgroup-parent"}, "", usageFn("Set parent cgroup for all containers")) |
| cmd.StringVar(&config.RemappedRoot, []string{"-userns-remap"}, "", usageFn("User/Group setting for user namespaces")) |
| |
| config.attachExperimentalFlags(cmd, usageFn) |
| } |