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

     1  // +build linux freebsd
     2  
     3  package daemon
     4  
     5  import (
     6  	"net"
     7  
     8  	"github.com/docker/docker/opts"
     9  	flag "github.com/docker/docker/pkg/mflag"
    10  	"github.com/docker/docker/pkg/ulimit"
    11  )
    12  
    13  var (
    14  	defaultPidFile = "/var/run/docker.pid"
    15  	defaultGraph   = "/var/lib/docker"
    16  	defaultExec    = "native"
    17  )
    18  
    19  // Config defines the configuration of a docker daemon.
    20  type Config struct {
    21  	CommonConfig
    22  
    23  	// Fields below here are platform specific.
    24  
    25  	CorsHeaders          string
    26  	EnableCors           bool
    27  	EnableSelinuxSupport bool
    28  	RemappedRoot         string
    29  	SocketGroup          string
    30  	Ulimits              map[string]*ulimit.Ulimit
    31  }
    32  
    33  // bridgeConfig stores all the bridge driver specific
    34  // configuration.
    35  type bridgeConfig struct {
    36  	EnableIPv6                  bool
    37  	EnableIPTables              bool
    38  	EnableIPForward             bool
    39  	EnableIPMasq                bool
    40  	EnableUserlandProxy         bool
    41  	DefaultIP                   net.IP
    42  	Iface                       string
    43  	IP                          string
    44  	FixedCIDR                   string
    45  	FixedCIDRv6                 string
    46  	DefaultGatewayIPv4          net.IP
    47  	DefaultGatewayIPv6          net.IP
    48  	InterContainerCommunication bool
    49  }
    50  
    51  // InstallFlags adds command-line options to the top-level flag parser for
    52  // the current process.
    53  // Subsequent calls to `flag.Parse` will populate config with values parsed
    54  // from the command-line.
    55  func (config *Config) InstallFlags(cmd *flag.FlagSet, usageFn func(string) string) {
    56  	// First handle install flags which are consistent cross-platform
    57  	config.InstallCommonFlags(cmd, usageFn)
    58  
    59  	// Then platform-specific install flags
    60  	cmd.BoolVar(&config.EnableSelinuxSupport, []string{"-selinux-enabled"}, false, usageFn("Enable selinux support"))
    61  	cmd.StringVar(&config.SocketGroup, []string{"G", "-group"}, "docker", usageFn("Group for the unix socket"))
    62  	config.Ulimits = make(map[string]*ulimit.Ulimit)
    63  	cmd.Var(opts.NewUlimitOpt(&config.Ulimits), []string{"-default-ulimit"}, usageFn("Set default ulimits for containers"))
    64  	cmd.BoolVar(&config.Bridge.EnableIPTables, []string{"#iptables", "-iptables"}, true, usageFn("Enable addition of iptables rules"))
    65  	cmd.BoolVar(&config.Bridge.EnableIPForward, []string{"#ip-forward", "-ip-forward"}, true, usageFn("Enable net.ipv4.ip_forward"))
    66  	cmd.BoolVar(&config.Bridge.EnableIPMasq, []string{"-ip-masq"}, true, usageFn("Enable IP masquerading"))
    67  	cmd.BoolVar(&config.Bridge.EnableIPv6, []string{"-ipv6"}, false, usageFn("Enable IPv6 networking"))
    68  	cmd.StringVar(&config.Bridge.IP, []string{"#bip", "-bip"}, "", usageFn("Specify network bridge IP"))
    69  	cmd.StringVar(&config.Bridge.Iface, []string{"b", "-bridge"}, "", usageFn("Attach containers to a network bridge"))
    70  	cmd.StringVar(&config.Bridge.FixedCIDR, []string{"-fixed-cidr"}, "", usageFn("IPv4 subnet for fixed IPs"))
    71  	cmd.StringVar(&config.Bridge.FixedCIDRv6, []string{"-fixed-cidr-v6"}, "", usageFn("IPv6 subnet for fixed IPs"))
    72  	cmd.Var(opts.NewIPOpt(&config.Bridge.DefaultGatewayIPv4, ""), []string{"-default-gateway"}, usageFn("Container default gateway IPv4 address"))
    73  	cmd.Var(opts.NewIPOpt(&config.Bridge.DefaultGatewayIPv6, ""), []string{"-default-gateway-v6"}, usageFn("Container default gateway IPv6 address"))
    74  	cmd.BoolVar(&config.Bridge.InterContainerCommunication, []string{"#icc", "-icc"}, true, usageFn("Enable inter-container communication"))
    75  	cmd.Var(opts.NewIPOpt(&config.Bridge.DefaultIP, "0.0.0.0"), []string{"#ip", "-ip"}, usageFn("Default IP when binding container ports"))
    76  	cmd.BoolVar(&config.Bridge.EnableUserlandProxy, []string{"-userland-proxy"}, true, usageFn("Use userland proxy for loopback traffic"))
    77  	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"))
    78  	cmd.StringVar(&config.CorsHeaders, []string{"-api-cors-header"}, "", usageFn("Set CORS headers in the remote API"))
    79  
    80  	config.attachExperimentalFlags(cmd, usageFn)
    81  }