package daemon import ( "github.com/docker/docker/opts" flag "github.com/docker/docker/pkg/mflag" "github.com/docker/docker/runconfig" ) const ( defaultNetworkMtu = 1500 disableNetworkBridge = "none" ) // CommonConfig defines the configuration of a docker daemon which are // common across platforms. type CommonConfig struct { AutoRestart bool Bridge bridgeConfig // Bridge holds bridge network specific configuration. Context map[string][]string DisableBridge bool DNS []string DNSOptions []string DNSSearch []string ExecOptions []string ExecRoot string GraphDriver string GraphOptions []string Labels []string LogConfig runconfig.LogConfig Mtu int Pidfile string RemappedRoot string Root string TrustKeyPath string // ClusterStore is the storage backend used for the cluster information. It is used by both // multihost networking (to store networks and endpoints information) and by the node discovery // mechanism. ClusterStore string // ClusterOpts is used to pass options to the discovery package for tuning libkv settings, such // as TLS configuration settings. ClusterOpts map[string]string // ClusterAdvertise is the network endpoint that the Engine advertises for the purpose of node // discovery. This should be a 'host:port' combination on which that daemon instance is // reachable by other hosts. ClusterAdvertise string } // InstallCommonFlags 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) InstallCommonFlags(cmd *flag.FlagSet, usageFn func(string) string) { cmd.Var(opts.NewListOptsRef(&config.GraphOptions, nil), []string{"-storage-opt"}, usageFn("Set storage driver options")) cmd.Var(opts.NewListOptsRef(&config.ExecOptions, nil), []string{"-exec-opt"}, usageFn("Set exec driver options")) cmd.StringVar(&config.Pidfile, []string{"p", "-pidfile"}, defaultPidFile, usageFn("Path to use for daemon PID file")) cmd.StringVar(&config.Root, []string{"g", "-graph"}, defaultGraph, usageFn("Root of the Docker runtime")) cmd.StringVar(&config.ExecRoot, []string{"-exec-root"}, "/var/run/docker", usageFn("Root of the Docker execdriver")) cmd.BoolVar(&config.AutoRestart, []string{"#r", "#-restart"}, true, usageFn("--restart on the daemon has been deprecated in favor of --restart policies on docker run")) cmd.StringVar(&config.GraphDriver, []string{"s", "-storage-driver"}, "", usageFn("Storage driver to use")) cmd.IntVar(&config.Mtu, []string{"#mtu", "-mtu"}, 0, usageFn("Set the containers network MTU")) // FIXME: why the inconsistency between "hosts" and "sockets"? cmd.Var(opts.NewListOptsRef(&config.DNS, opts.ValidateIPAddress), []string{"#dns", "-dns"}, usageFn("DNS server to use")) cmd.Var(opts.NewListOptsRef(&config.DNSOptions, nil), []string{"-dns-opt"}, usageFn("DNS options to use")) cmd.Var(opts.NewListOptsRef(&config.DNSSearch, opts.ValidateDNSSearch), []string{"-dns-search"}, usageFn("DNS search domains to use")) cmd.Var(opts.NewListOptsRef(&config.Labels, opts.ValidateLabel), []string{"-label"}, usageFn("Set key=value labels to the daemon")) cmd.StringVar(&config.LogConfig.Type, []string{"-log-driver"}, "json-file", usageFn("Default driver for container logs")) cmd.Var(opts.NewMapOpts(config.LogConfig.Config, nil), []string{"-log-opt"}, usageFn("Set log driver options")) cmd.StringVar(&config.ClusterAdvertise, []string{"-cluster-advertise"}, "", usageFn("Address or interface name to advertise")) cmd.StringVar(&config.ClusterStore, []string{"-cluster-store"}, "", usageFn("Set the cluster store")) cmd.Var(opts.NewMapOpts(config.ClusterOpts, nil), []string{"-cluster-store-opt"}, usageFn("Set cluster store options")) }