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- 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 -d -e lxc`
- type Config struct {
- CommonConfig
- // Fields below here are platform specific.
- // Bridge holds bridge network specific configuration.
- Bridge bridgeConfig
- 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() {
- // First handle install flags which are consistent cross-platform
- config.InstallCommonFlags()
- // Then platform-specific install flags
- flag.BoolVar(&config.EnableSelinuxSupport, []string{"-selinux-enabled"}, false, "Enable selinux support")
- flag.StringVar(&config.SocketGroup, []string{"G", "-group"}, "docker", "Group for the unix socket")
- config.Ulimits = make(map[string]*ulimit.Ulimit)
- opts.UlimitMapVar(config.Ulimits, []string{"-default-ulimit"}, "Set default ulimits for containers")
- flag.BoolVar(&config.Bridge.EnableIPTables, []string{"#iptables", "-iptables"}, true, "Enable addition of iptables rules")
- flag.BoolVar(&config.Bridge.EnableIPForward, []string{"#ip-forward", "-ip-forward"}, true, "Enable net.ipv4.ip_forward")
- flag.BoolVar(&config.Bridge.EnableIPMasq, []string{"-ip-masq"}, true, "Enable IP masquerading")
- flag.BoolVar(&config.Bridge.EnableIPv6, []string{"-ipv6"}, false, "Enable IPv6 networking")
- flag.StringVar(&config.Bridge.IP, []string{"#bip", "-bip"}, "", "Specify network bridge IP")
- flag.StringVar(&config.Bridge.Iface, []string{"b", "-bridge"}, "", "Attach containers to a network bridge")
- flag.StringVar(&config.Bridge.FixedCIDR, []string{"-fixed-cidr"}, "", "IPv4 subnet for fixed IPs")
- flag.StringVar(&config.Bridge.FixedCIDRv6, []string{"-fixed-cidr-v6"}, "", "IPv6 subnet for fixed IPs")
- opts.IPVar(&config.Bridge.DefaultGatewayIPv4, []string{"-default-gateway"}, "", "Container default gateway IPv4 address")
- opts.IPVar(&config.Bridge.DefaultGatewayIPv6, []string{"-default-gateway-v6"}, "", "Container default gateway IPv6 address")
- flag.BoolVar(&config.Bridge.InterContainerCommunication, []string{"#icc", "-icc"}, true, "Enable inter-container communication")
- opts.IPVar(&config.Bridge.DefaultIP, []string{"#ip", "-ip"}, "0.0.0.0", "Default IP when binding container ports")
- flag.BoolVar(&config.Bridge.EnableUserlandProxy, []string{"-userland-proxy"}, true, "Use userland proxy for loopback traffic")
- config.attachExperimentalFlags()
- }
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