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moby--moby/daemon/config.go
Tim Smith 69a75c673c Add daemon flag to specify public registry mirrors
Adds support for a --registry-mirror=scheme://<host>[:port]
daemon flag. The flag may be present multiple times. If
provided, mirrors are prepended to the list of endpoints used
for image pull. Note that only mirrors of the public
index.docker.io registry are supported, and image/tag resolution
is still performed via the official index.

Docker-DCO-1.1-Signed-off-by: Tim Smith <timbot@google.com> (github: timbot)
2014-09-09 19:03:38 +00:00

72 lines
3.8 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
DefaultIp net.IP
BridgeIface string
BridgeIP string
InterContainerCommunication bool
GraphDriver string
GraphOptions []string
ExecDriver string
Mtu int
DisableNetwork bool
EnableSelinuxSupport bool
Context map[string][]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.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.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")
}
func GetDefaultNetworkMtu() int {
if iface, err := networkdriver.GetDefaultRouteIface(); err == nil {
return iface.MTU
}
return defaultNetworkMtu
}