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moby--moby/daemon/config.go
Victor Vieux 62a7d75512 key=values -> key=value
Signed-off-by: Victor Vieux <vieux@docker.com>
2014-11-21 19:15:22 +00:00

89 lines
5.1 KiB
Go

package daemon
import (
"net"
"github.com/docker/docker/daemon/networkdriver"
"github.com/docker/docker/opts"
flag "github.com/docker/docker/pkg/mflag"
)
const (
defaultNetworkMtu = 1500
disableNetworkBridge = "none"
)
// Config define 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`
// FIXME: separate runtime configuration from http api configuration
type Config struct {
Pidfile string
Root string
AutoRestart bool
Dns []string
DnsSearch []string
Mirrors []string
EnableIptables bool
EnableIpForward bool
EnableIpMasq bool
DefaultIp net.IP
BridgeIface string
BridgeIP string
FixedCIDR string
InsecureRegistries []string
InterContainerCommunication bool
GraphDriver string
GraphOptions []string
ExecDriver string
Mtu int
DisableNetwork bool
EnableSelinuxSupport bool
Context map[string][]string
TrustKeyPath string
Labels []string
}
// 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() {
flag.StringVar(&config.Pidfile, []string{"p", "-pidfile"}, "/var/run/docker.pid", "Path to use for daemon PID file")
flag.StringVar(&config.Root, []string{"g", "-graph"}, "/var/lib/docker", "Path to use as the root of the Docker runtime")
flag.BoolVar(&config.AutoRestart, []string{"#r", "#-restart"}, true, "--restart on the daemon has been deprecated in favor of --restart policies on docker run")
flag.BoolVar(&config.EnableIptables, []string{"#iptables", "-iptables"}, true, "Enable Docker's addition of iptables rules")
flag.BoolVar(&config.EnableIpForward, []string{"#ip-forward", "-ip-forward"}, true, "Enable net.ipv4.ip_forward")
flag.BoolVar(&config.EnableIpMasq, []string{"-ip-masq"}, true, "Enable IP masquerading for bridge's IP range")
flag.StringVar(&config.BridgeIP, []string{"#bip", "-bip"}, "", "Use this CIDR notation address for the network bridge's IP, not compatible with -b")
flag.StringVar(&config.BridgeIface, []string{"b", "-bridge"}, "", "Attach containers to a pre-existing network bridge\nuse 'none' to disable container networking")
flag.StringVar(&config.FixedCIDR, []string{"-fixed-cidr"}, "", "IPv4 subnet for fixed IPs (ex: 10.20.0.0/16)\nthis subnet must be nested in the bridge subnet (which is defined by -b or --bip)")
opts.ListVar(&config.InsecureRegistries, []string{"-insecure-registry"}, "Enable insecure communication with specified registries (no certificate verification for HTTPS and enable HTTP fallback) (e.g., localhost:5000 or 10.20.0.0/16)")
flag.BoolVar(&config.InterContainerCommunication, []string{"#icc", "-icc"}, true, "Enable inter-container communication")
flag.StringVar(&config.GraphDriver, []string{"s", "-storage-driver"}, "", "Force the Docker runtime to use a specific storage driver")
flag.StringVar(&config.ExecDriver, []string{"e", "-exec-driver"}, "native", "Force the Docker runtime to use a specific exec driver")
flag.BoolVar(&config.EnableSelinuxSupport, []string{"-selinux-enabled"}, false, "Enable selinux support. SELinux does not presently support the BTRFS storage driver")
flag.IntVar(&config.Mtu, []string{"#mtu", "-mtu"}, 0, "Set the containers network MTU\nif no value is provided: default to the default route MTU or 1500 if no default route is available")
opts.IPVar(&config.DefaultIp, []string{"#ip", "-ip"}, "0.0.0.0", "Default IP address to use when binding container ports")
opts.ListVar(&config.GraphOptions, []string{"-storage-opt"}, "Set storage driver options")
// FIXME: why the inconsistency between "hosts" and "sockets"?
opts.IPListVar(&config.Dns, []string{"#dns", "-dns"}, "Force Docker to use specific DNS servers")
opts.DnsSearchListVar(&config.DnsSearch, []string{"-dns-search"}, "Force Docker to use specific DNS search domains")
opts.MirrorListVar(&config.Mirrors, []string{"-registry-mirror"}, "Specify a preferred Docker registry mirror")
opts.LabelListVar(&config.Labels, []string{"-label"}, "Set key=value labels to the daemon (displayed in `docker info`)")
// Localhost is by default considered as an insecure registry
// This is a stop-gap for people who are running a private registry on localhost (especially on Boot2docker).
//
// TODO: should we deprecate this once it is easier for people to set up a TLS registry or change
// daemon flags on boot2docker?
// If so, do not forget to check the TODO in TestIsSecure
config.InsecureRegistries = append(config.InsecureRegistries, "127.0.0.0/8")
}
func getDefaultNetworkMtu() int {
if iface, err := networkdriver.GetDefaultRouteIface(); err == nil {
return iface.MTU
}
return defaultNetworkMtu
}