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moby--moby/daemon/config_unix.go

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// +build linux freebsd
package daemon
import (
"net"
"github.com/docker/docker/opts"
flag "github.com/docker/docker/pkg/mflag"
"github.com/docker/docker/pkg/ulimit"
)
var (
defaultPidFile = "/var/run/docker.pid"
defaultGraph = "/var/lib/docker"
defaultExec = "native"
)
// Config defines the configuration of a docker daemon.
// These are the configuration settings that you pass
// to the docker daemon when you launch it with say: `docker daemon -e lxc`
type Config struct {
CommonConfig
// Fields below here are platform specific.
CorsHeaders string
EnableCors bool
EnableSelinuxSupport bool
SocketGroup string
Ulimits map[string]*ulimit.Ulimit
}
// 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]*ulimit.Ulimit)
cmd.Var(opts.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"))
config.attachExperimentalFlags(cmd, usageFn)
}