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moby--moby/daemon/config_unix.go
root f53902aa77 Fix some mistakes in dockerd.md
Signed-off-by: Wang Xing <hzwangxing@corp.netease.com>
2016-05-19 20:41:37 +08:00

87 lines
5.1 KiB
Go

// +build linux freebsd
package daemon
import (
"net"
"github.com/docker/docker/opts"
flag "github.com/docker/docker/pkg/mflag"
runconfigopts "github.com/docker/docker/runconfig/opts"
"github.com/docker/go-units"
)
var (
defaultPidFile = "/var/run/docker.pid"
defaultGraph = "/var/lib/docker"
defaultExecRoot = "/var/run/docker"
)
// Config defines the configuration of a docker daemon.
// It includes json tags to deserialize configuration from a file
// using the same names that the flags in the command line uses.
type Config struct {
CommonConfig
// Fields below here are platform specific.
CgroupParent string `json:"cgroup-parent,omitempty"`
ContainerdAddr string `json:"containerd,omitempty"`
EnableSelinuxSupport bool `json:"selinux-enabled,omitempty"`
ExecRoot string `json:"exec-root,omitempty"`
RemappedRoot string `json:"userns-remap,omitempty"`
Ulimits map[string]*units.Ulimit `json:"default-ulimits,omitempty"`
}
// bridgeConfig stores all the bridge driver specific
// configuration.
type bridgeConfig struct {
commonBridgeConfig
// Fields below here are platform specific.
EnableIPv6 bool `json:"ipv6,omitempty"`
EnableIPTables bool `json:"iptables,omitempty"`
EnableIPForward bool `json:"ip-forward,omitempty"`
EnableIPMasq bool `json:"ip-masq,omitempty"`
EnableUserlandProxy bool `json:"userland-proxy,omitempty"`
DefaultIP net.IP `json:"ip,omitempty"`
IP string `json:"bip,omitempty"`
FixedCIDRv6 string `json:"fixed-cidr-v6,omitempty"`
DefaultGatewayIPv4 net.IP `json:"default-gateway,omitempty"`
DefaultGatewayIPv6 net.IP `json:"default-gateway-v6,omitempty"`
InterContainerCommunication bool `json:"icc,omitempty"`
}
// 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]*units.Ulimit)
cmd.Var(runconfigopts.NewUlimitOpt(&config.Ulimits), []string{"-default-ulimit"}, usageFn("Set default ulimits for containers"))
cmd.BoolVar(&config.bridgeConfig.EnableIPTables, []string{"#iptables", "-iptables"}, true, usageFn("Enable addition of iptables rules"))
cmd.BoolVar(&config.bridgeConfig.EnableIPForward, []string{"#ip-forward", "-ip-forward"}, true, usageFn("Enable net.ipv4.ip_forward"))
cmd.BoolVar(&config.bridgeConfig.EnableIPMasq, []string{"-ip-masq"}, true, usageFn("Enable IP masquerading"))
cmd.BoolVar(&config.bridgeConfig.EnableIPv6, []string{"-ipv6"}, false, usageFn("Enable IPv6 networking"))
cmd.StringVar(&config.ExecRoot, []string{"-exec-root"}, defaultExecRoot, usageFn("Root directory for execution state files"))
cmd.StringVar(&config.bridgeConfig.IP, []string{"#bip", "-bip"}, "", usageFn("Specify network bridge IP"))
cmd.StringVar(&config.bridgeConfig.Iface, []string{"b", "-bridge"}, "", usageFn("Attach containers to a network bridge"))
cmd.StringVar(&config.bridgeConfig.FixedCIDR, []string{"-fixed-cidr"}, "", usageFn("IPv4 subnet for fixed IPs"))
cmd.StringVar(&config.bridgeConfig.FixedCIDRv6, []string{"-fixed-cidr-v6"}, "", usageFn("IPv6 subnet for fixed IPs"))
cmd.Var(opts.NewIPOpt(&config.bridgeConfig.DefaultGatewayIPv4, ""), []string{"-default-gateway"}, usageFn("Container default gateway IPv4 address"))
cmd.Var(opts.NewIPOpt(&config.bridgeConfig.DefaultGatewayIPv6, ""), []string{"-default-gateway-v6"}, usageFn("Container default gateway IPv6 address"))
cmd.BoolVar(&config.bridgeConfig.InterContainerCommunication, []string{"#icc", "-icc"}, true, usageFn("Enable inter-container communication"))
cmd.Var(opts.NewIPOpt(&config.bridgeConfig.DefaultIP, "0.0.0.0"), []string{"#ip", "-ip"}, usageFn("Default IP when binding container ports"))
cmd.BoolVar(&config.bridgeConfig.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.CgroupParent, []string{"-cgroup-parent"}, "", usageFn("Set parent cgroup for all containers"))
cmd.StringVar(&config.RemappedRoot, []string{"-userns-remap"}, "", usageFn("User/Group setting for user namespaces"))
cmd.StringVar(&config.ContainerdAddr, []string{"-containerd"}, "", usageFn("Path to containerd socket"))
config.attachExperimentalFlags(cmd, usageFn)
}