github.com/walkingsparrow/docker@v1.4.2-0.20151218153551-b708a2249bfa/daemon/config.go (about)

     1  package daemon
     2  
     3  import (
     4  	"github.com/docker/docker/opts"
     5  	flag "github.com/docker/docker/pkg/mflag"
     6  	"github.com/docker/docker/runconfig"
     7  )
     8  
     9  const (
    10  	defaultNetworkMtu    = 1500
    11  	disableNetworkBridge = "none"
    12  )
    13  
    14  // CommonConfig defines the configuration of a docker daemon which are
    15  // common across platforms.
    16  type CommonConfig struct {
    17  	AuthZPlugins  []string // AuthZPlugins holds list of authorization plugins
    18  	AutoRestart   bool
    19  	Bridge        bridgeConfig // Bridge holds bridge network specific configuration.
    20  	Context       map[string][]string
    21  	DisableBridge bool
    22  	DNS           []string
    23  	DNSOptions    []string
    24  	DNSSearch     []string
    25  	ExecOptions   []string
    26  	ExecRoot      string
    27  	GraphDriver   string
    28  	GraphOptions  []string
    29  	Labels        []string
    30  	LogConfig     runconfig.LogConfig
    31  	Mtu           int
    32  	Pidfile       string
    33  	RemappedRoot  string
    34  	Root          string
    35  	TrustKeyPath  string
    36  
    37  	// ClusterStore is the storage backend used for the cluster information. It is used by both
    38  	// multihost networking (to store networks and endpoints information) and by the node discovery
    39  	// mechanism.
    40  	ClusterStore string
    41  
    42  	// ClusterOpts is used to pass options to the discovery package for tuning libkv settings, such
    43  	// as TLS configuration settings.
    44  	ClusterOpts map[string]string
    45  
    46  	// ClusterAdvertise is the network endpoint that the Engine advertises for the purpose of node
    47  	// discovery. This should be a 'host:port' combination on which that daemon instance is
    48  	// reachable by other hosts.
    49  	ClusterAdvertise string
    50  }
    51  
    52  // InstallCommonFlags adds command-line options to the top-level flag parser for
    53  // the current process.
    54  // Subsequent calls to `flag.Parse` will populate config with values parsed
    55  // from the command-line.
    56  func (config *Config) InstallCommonFlags(cmd *flag.FlagSet, usageFn func(string) string) {
    57  	cmd.Var(opts.NewListOptsRef(&config.GraphOptions, nil), []string{"-storage-opt"}, usageFn("Set storage driver options"))
    58  	cmd.Var(opts.NewListOptsRef(&config.AuthZPlugins, nil), []string{"-authz-plugin"}, usageFn("List authorization plugins in order from first evaluator to last"))
    59  	cmd.Var(opts.NewListOptsRef(&config.ExecOptions, nil), []string{"-exec-opt"}, usageFn("Set exec driver options"))
    60  	cmd.StringVar(&config.Pidfile, []string{"p", "-pidfile"}, defaultPidFile, usageFn("Path to use for daemon PID file"))
    61  	cmd.StringVar(&config.Root, []string{"g", "-graph"}, defaultGraph, usageFn("Root of the Docker runtime"))
    62  	cmd.StringVar(&config.ExecRoot, []string{"-exec-root"}, "/var/run/docker", usageFn("Root of the Docker execdriver"))
    63  	cmd.BoolVar(&config.AutoRestart, []string{"#r", "#-restart"}, true, usageFn("--restart on the daemon has been deprecated in favor of --restart policies on docker run"))
    64  	cmd.StringVar(&config.GraphDriver, []string{"s", "-storage-driver"}, "", usageFn("Storage driver to use"))
    65  	cmd.IntVar(&config.Mtu, []string{"#mtu", "-mtu"}, 0, usageFn("Set the containers network MTU"))
    66  	// FIXME: why the inconsistency between "hosts" and "sockets"?
    67  	cmd.Var(opts.NewListOptsRef(&config.DNS, opts.ValidateIPAddress), []string{"#dns", "-dns"}, usageFn("DNS server to use"))
    68  	cmd.Var(opts.NewListOptsRef(&config.DNSOptions, nil), []string{"-dns-opt"}, usageFn("DNS options to use"))
    69  	cmd.Var(opts.NewListOptsRef(&config.DNSSearch, opts.ValidateDNSSearch), []string{"-dns-search"}, usageFn("DNS search domains to use"))
    70  	cmd.Var(opts.NewListOptsRef(&config.Labels, opts.ValidateLabel), []string{"-label"}, usageFn("Set key=value labels to the daemon"))
    71  	cmd.StringVar(&config.LogConfig.Type, []string{"-log-driver"}, "json-file", usageFn("Default driver for container logs"))
    72  	cmd.Var(opts.NewMapOpts(config.LogConfig.Config, nil), []string{"-log-opt"}, usageFn("Set log driver options"))
    73  	cmd.StringVar(&config.ClusterAdvertise, []string{"-cluster-advertise"}, "", usageFn("Address or interface name to advertise"))
    74  	cmd.StringVar(&config.ClusterStore, []string{"-cluster-store"}, "", usageFn("Set the cluster store"))
    75  	cmd.Var(opts.NewMapOpts(config.ClusterOpts, nil), []string{"-cluster-store-opt"}, usageFn("Set cluster store options"))
    76  }