func (cli *DockerCli) CmdInfo(args ...string) error {
	cmd := Cli.Subcmd("info", nil, Cli.DockerCommands["info"].Description, true)
	cmd.Require(flag.Exact, 0)

	cmd.ParseFlags(args, true)

	serverResp, err := cli.call("GET", "/info", nil, nil)
	if err != nil {
		return err
	}

	defer serverResp.body.Close()

	info := &types.Info{}
	if err := json.NewDecoder(serverResp.body).Decode(info); err != nil {
		return fmt.Errorf("Error reading remote info: %v", err)
	}

	fmt.Fprintf(cli.out, "Containers: %d\n", info.Containers)
	fmt.Fprintf(cli.out, "Images: %d\n", info.Images)
	ioutils.FprintfIfNotEmpty(cli.out, "Server Version: %s\n", info.ServerVersion)
	ioutils.FprintfIfNotEmpty(cli.out, "Storage Driver: %s\n", info.Driver)
	if info.DriverStatus != nil {
		for _, pair := range info.DriverStatus {
			fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
		}
	}
	ioutils.FprintfIfNotEmpty(cli.out, "Execution Driver: %s\n", info.ExecutionDriver)
	ioutils.FprintfIfNotEmpty(cli.out, "Logging Driver: %s\n", info.LoggingDriver)
	ioutils.FprintfIfNotEmpty(cli.out, "Kernel Version: %s\n", info.KernelVersion)
	ioutils.FprintfIfNotEmpty(cli.out, "Operating System: %s\n", info.OperatingSystem)
	fmt.Fprintf(cli.out, "CPUs: %d\n", info.NCPU)
	fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
	ioutils.FprintfIfNotEmpty(cli.out, "Name: %s\n", info.Name)
	ioutils.FprintfIfNotEmpty(cli.out, "ID: %s\n", info.ID)

	if info.Debug {
		fmt.Fprintf(cli.out, "Debug mode (server): %v\n", info.Debug)
		fmt.Fprintf(cli.out, " File Descriptors: %d\n", info.NFd)
		fmt.Fprintf(cli.out, " Goroutines: %d\n", info.NGoroutines)
		fmt.Fprintf(cli.out, " System Time: %s\n", info.SystemTime)
		fmt.Fprintf(cli.out, " EventsListeners: %d\n", info.NEventsListener)
		fmt.Fprintf(cli.out, " Init SHA1: %s\n", info.InitSha1)
		fmt.Fprintf(cli.out, " Init Path: %s\n", info.InitPath)
		fmt.Fprintf(cli.out, " Docker Root Dir: %s\n", info.DockerRootDir)
	}

	ioutils.FprintfIfNotEmpty(cli.out, "Http Proxy: %s\n", info.HTTPProxy)
	ioutils.FprintfIfNotEmpty(cli.out, "Https Proxy: %s\n", info.HTTPSProxy)
	ioutils.FprintfIfNotEmpty(cli.out, "No Proxy: %s\n", info.NoProxy)

	if info.IndexServerAddress != "" {
		u := cli.configFile.AuthConfigs[info.IndexServerAddress].Username
		if len(u) > 0 {
			fmt.Fprintf(cli.out, "Username: %v\n", u)
			fmt.Fprintf(cli.out, "Registry: %v\n", info.IndexServerAddress)
		}
	}

	// Only output these warnings if the server does not support these features
	if h, err := httputils.ParseServerHeader(serverResp.header.Get("Server")); err == nil {
		if h.OS != "windows" {
			if !info.MemoryLimit {
				fmt.Fprintf(cli.err, "WARNING: No memory limit support\n")
			}
			if !info.SwapLimit {
				fmt.Fprintf(cli.err, "WARNING: No swap limit support\n")
			}
			if !info.IPv4Forwarding {
				fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled\n")
			}
			if !info.BridgeNfIptables {
				fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-iptables is disabled\n")
			}
			if !info.BridgeNfIP6tables {
				fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-ip6tables is disabled\n")
			}
		}
	}

	if info.Labels != nil {
		fmt.Fprintln(cli.out, "Labels:")
		for _, attribute := range info.Labels {
			fmt.Fprintf(cli.out, " %s\n", attribute)
		}
	}

	ioutils.FprintfIfTrue(cli.out, "Experimental: %v\n", info.ExperimentalBuild)
	if info.ClusterStore != "" {
		fmt.Fprintf(cli.out, "Cluster store: %s\n", info.ClusterStore)
	}

	if info.ClusterAdvertise != "" {
		fmt.Fprintf(cli.out, "Cluster advertise: %s\n", info.ClusterAdvertise)
	}
	return nil
}
// CmdInfo displays system-wide information.
//
// Usage: docker info
CmdInfo displays system-wide information.

docker info
// CmdInfo displays system - wide information . // // Usage : docker info
func (cli *DockerCli) CmdInfo(args ...string) error {
	cmd := Cli.Subcmd("info", nil, Cli.DockerCommands["info"].Description, true)
	cmd.Require(flag.Exact, 0)
	cmd.ParseFlags(args, true)
	serverResp, err := cli.call("GET", "/info", nil, nil)
	if err != nil {
		return err
	}
	defer serverResp.body.Close()
	info := &types.Info{}
	if err := json.NewDecoder(serverResp.body).Decode(info); err != nil {
		return fmt.Errorf("Error reading remote info: %v", err)
	}
	fmt.Fprintf(cli.out, "Containers: %d\n", info.Containers)
	fmt.Fprintf(cli.out, "Images: %d\n", info.Images)
	ioutils.FprintfIfNotEmpty(cli.out, "Server Version: %s\n", info.ServerVersion)
	ioutils.FprintfIfNotEmpty(cli.out, "Storage Driver: %s\n", info.Driver)
	if info.DriverStatus != nil {
		for _, pair := range info.DriverStatus {
			fmt.Fprintf(cli.out, " %s: %s\n", pair[0], pair[1])
		}
	}
	ioutils.FprintfIfNotEmpty(cli.out, "Execution Driver: %s\n", info.ExecutionDriver)
	ioutils.FprintfIfNotEmpty(cli.out, "Logging Driver: %s\n", info.LoggingDriver)
	ioutils.FprintfIfNotEmpty(cli.out, "Kernel Version: %s\n", info.KernelVersion)
	ioutils.FprintfIfNotEmpty(cli.out, "Operating System: %s\n", info.OperatingSystem)
	fmt.Fprintf(cli.out, "CPUs: %d\n", info.NCPU)
	fmt.Fprintf(cli.out, "Total Memory: %s\n", units.BytesSize(float64(info.MemTotal)))
	ioutils.FprintfIfNotEmpty(cli.out, "Name: %s\n", info.Name)
	ioutils.FprintfIfNotEmpty(cli.out, "ID: %s\n", info.ID)
	if info.Debug {
		fmt.Fprintf(cli.out, "Debug mode (server): %v\n", info.Debug)
		fmt.Fprintf(cli.out, " File Descriptors: %d\n", info.NFd)
		fmt.Fprintf(cli.out, " Goroutines: %d\n", info.NGoroutines)
		fmt.Fprintf(cli.out, " System Time: %s\n", info.SystemTime)
		fmt.Fprintf(cli.out, " EventsListeners: %d\n", info.NEventsListener)
		fmt.Fprintf(cli.out, " Init SHA1: %s\n", info.InitSha1)
		fmt.Fprintf(cli.out, " Init Path: %s\n", info.InitPath)
		fmt.Fprintf(cli.out, " Docker Root Dir: %s\n", info.DockerRootDir)
	}
	ioutils.FprintfIfNotEmpty(cli.out, "Http Proxy: %s\n", info.HTTPProxy)
	ioutils.FprintfIfNotEmpty(cli.out, "Https Proxy: %s\n", info.HTTPSProxy)
	ioutils.FprintfIfNotEmpty(cli.out, "No Proxy: %s\n", info.NoProxy)
	if info.IndexServerAddress != "" {
		u := cli.configFile.AuthConfigs[info.IndexServerAddress].Username
		if len(u) > 0 {
			fmt.Fprintf(cli.out, "Username: %v\n", u)
			fmt.Fprintf(cli.out, "Registry: %v\n", info.IndexServerAddress)
		}
	}
	if h, err := httputils.ParseServerHeader(serverResp.header.Get("Server")); err == nil {
		if h.OS != "windows" {
			if !info.MemoryLimit {
				fmt.Fprintf(cli.err, "WARNING: No memory limit support\n")
			}
			if !info.SwapLimit {
				fmt.Fprintf(cli.err, "WARNING: No swap limit support\n")
			}
			if !info.IPv4Forwarding {
				fmt.Fprintf(cli.err, "WARNING: IPv4 forwarding is disabled\n")
			}
			if !info.BridgeNfIptables {
				fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-iptables is disabled\n")
			}
			if !info.BridgeNfIP6tables {
				fmt.Fprintf(cli.err, "WARNING: bridge-nf-call-ip6tables is disabled\n")
			}
		}
	}
	if info.Labels != nil {
		fmt.Fprintln(cli.out, "Labels:")
		for _, attribute := range info.Labels {
			fmt.Fprintf(cli.out, " %s\n", attribute)
		}
	}
	ioutils.FprintfIfTrue(cli.out, "Experimental: %v\n", info.ExperimentalBuild)
	if info.ClusterStore != "" {
		fmt.Fprintf(cli.out, "Cluster store: %s\n", info.ClusterStore)
	}
	if info.ClusterAdvertise != "" {
		fmt.Fprintf(cli.out, "Cluster advertise: %s\n", info.ClusterAdvertise)
	}
	return nil
}
func ( cli * DockerCli ) CmdInfo ( args ... string ) error { cmd := Cli . Subcmd ( " " , nil , Cli . DockerCommands [ " " ] . Description , true ) cmd . Require ( flag . Exact , 0 ) cmd . ParseFlags ( args , true ) serverResp , err := cli . call ( " " , " " , nil , nil ) if err != nil { return err } defer serverResp . body . Close ( ) info := & types . Info { } if err := json . NewDecoder ( serverResp . body ) . Decode ( info ) ; err != nil { return fmt . Errorf ( " " , err ) } fmt . Fprintf ( cli . out , " \n " , info . Containers ) fmt . Fprintf ( cli . out , " \n " , info . Images ) ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . ServerVersion ) ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . Driver ) if info . DriverStatus != nil { for _ , pair := range info . DriverStatus { fmt . Fprintf ( cli . out , " \n " , pair [ 0 ] , pair [ 1 ] ) } } ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . ExecutionDriver ) ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . LoggingDriver ) ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . KernelVersion ) ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . OperatingSystem ) fmt . Fprintf ( cli . out , " \n " , info . NCPU ) fmt . Fprintf ( cli . out , " \n " , units . BytesSize ( float64 ( info . MemTotal ) ) ) ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . Name ) ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . ID ) if info . Debug { fmt . Fprintf ( cli . out , " \n " , info . Debug ) fmt . Fprintf ( cli . out , " \n " , info . NFd ) fmt . Fprintf ( cli . out , " \n " , info . NGoroutines ) fmt . Fprintf ( cli . out , " \n " , info . SystemTime ) fmt . Fprintf ( cli . out , " \n " , info . NEventsListener ) fmt . Fprintf ( cli . out , " \n " , info . InitSha1 ) fmt . Fprintf ( cli . out , " \n " , info . InitPath ) fmt . Fprintf ( cli . out , " \n " , info . DockerRootDir ) } ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . HTTPProxy ) ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . HTTPSProxy ) ioutils . FprintfIfNotEmpty ( cli . out , " \n " , info . NoProxy ) if info . IndexServerAddress != " " { u := cli . configFile . AuthConfigs [ info . IndexServerAddress ] . Username if len ( u ) > 0 { fmt . Fprintf ( cli . out , " \n " , u ) fmt . Fprintf ( cli . out , " \n " , info . IndexServerAddress ) } } if h , err := httputils . ParseServerHeader ( serverResp . header . Get ( " " ) ) ; err == nil { if h . OS != " " { if ! info . MemoryLimit { fmt . Fprintf ( cli . err , " \n " ) } if ! info . SwapLimit { fmt . Fprintf ( cli . err , " \n " ) } if ! info . IPv4Forwarding { fmt . Fprintf ( cli . err , " \n " ) } if ! info . BridgeNfIptables { fmt . Fprintf ( cli . err , " \n " ) } if ! info . BridgeNfIP6tables { fmt . Fprintf ( cli . err , " \n " ) } } } if info . Labels != nil { fmt . Fprintln ( cli . out , " " ) for _ , attribute := range info . Labels { fmt . Fprintf ( cli . out , " \n " , attribute ) } } ioutils . FprintfIfTrue ( cli . out , " \n " , info . ExperimentalBuild ) if info . ClusterStore != " " { fmt . Fprintf ( cli . out , " \n " , info . ClusterStore ) } if info . ClusterAdvertise != " " { fmt . Fprintf ( cli . out , " \n " , info . ClusterAdvertise ) } return nil }
CmdInfo displays system-wide information.
CmdInfo displays system - wide information .
// Only output these warnings if the server does not support these features