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85 lines
4.5 KiB
Go
85 lines
4.5 KiB
Go
package daemon
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import (
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"github.com/docker/docker/daemon/networkdriver"
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"github.com/docker/docker/daemon/networkdriver/bridge"
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"github.com/docker/docker/opts"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/docker/pkg/ulimit"
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"github.com/docker/docker/runconfig"
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)
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const (
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defaultNetworkMtu = 1500
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disableNetworkBridge = "none"
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)
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// Config define the configuration of a docker daemon
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// These are the configuration settings that you pass
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// to the docker daemon when you launch it with say: `docker -d -e lxc`
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// FIXME: separate runtime configuration from http api configuration
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type Config struct {
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Bridge bridge.Config
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Pidfile string
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Root string
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AutoRestart bool
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Dns []string
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DnsSearch []string
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GraphDriver string
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GraphOptions []string
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ExecDriver string
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Mtu int
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SocketGroup string
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EnableCors bool
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CorsHeaders string
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DisableNetwork bool
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EnableSelinuxSupport bool
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Context map[string][]string
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TrustKeyPath string
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Labels []string
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Ulimits map[string]*ulimit.Ulimit
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LogConfig runconfig.LogConfig
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}
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// InstallFlags adds command-line options to the top-level flag parser for
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// the current process.
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// Subsequent calls to `flag.Parse` will populate config with values parsed
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// from the command-line.
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func (config *Config) InstallFlags() {
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flag.StringVar(&config.Pidfile, []string{"p", "-pidfile"}, "/var/run/docker.pid", "Path to use for daemon PID file")
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flag.StringVar(&config.Root, []string{"g", "-graph"}, "/var/lib/docker", "Root of the Docker runtime")
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flag.BoolVar(&config.AutoRestart, []string{"#r", "#-restart"}, true, "--restart on the daemon has been deprecated in favor of --restart policies on docker run")
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flag.BoolVar(&config.Bridge.EnableIptables, []string{"#iptables", "-iptables"}, true, "Enable addition of iptables rules")
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flag.BoolVar(&config.Bridge.EnableIpForward, []string{"#ip-forward", "-ip-forward"}, true, "Enable net.ipv4.ip_forward")
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flag.BoolVar(&config.Bridge.EnableIpMasq, []string{"-ip-masq"}, true, "Enable IP masquerading")
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flag.BoolVar(&config.Bridge.EnableIPv6, []string{"-ipv6"}, false, "Enable IPv6 networking")
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flag.StringVar(&config.Bridge.IP, []string{"#bip", "-bip"}, "", "Specify network bridge IP")
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flag.StringVar(&config.Bridge.Iface, []string{"b", "-bridge"}, "", "Attach containers to a network bridge")
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flag.StringVar(&config.Bridge.FixedCIDR, []string{"-fixed-cidr"}, "", "IPv4 subnet for fixed IPs")
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flag.StringVar(&config.Bridge.FixedCIDRv6, []string{"-fixed-cidr-v6"}, "", "IPv6 subnet for fixed IPs")
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flag.BoolVar(&config.Bridge.InterContainerCommunication, []string{"#icc", "-icc"}, true, "Enable inter-container communication")
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flag.StringVar(&config.GraphDriver, []string{"s", "-storage-driver"}, "", "Storage driver to use")
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flag.StringVar(&config.ExecDriver, []string{"e", "-exec-driver"}, "native", "Exec driver to use")
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flag.BoolVar(&config.EnableSelinuxSupport, []string{"-selinux-enabled"}, false, "Enable selinux support")
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flag.IntVar(&config.Mtu, []string{"#mtu", "-mtu"}, 0, "Set the containers network MTU")
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flag.StringVar(&config.SocketGroup, []string{"G", "-group"}, "docker", "Group for the unix socket")
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flag.BoolVar(&config.EnableCors, []string{"#api-enable-cors", "#-api-enable-cors"}, false, "Enable CORS headers in the remote API, this is deprecated by --api-cors-header")
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flag.StringVar(&config.CorsHeaders, []string{"-api-cors-header"}, "", "Set CORS headers in the remote API")
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opts.IPVar(&config.Bridge.DefaultIp, []string{"#ip", "-ip"}, "0.0.0.0", "Default IP when binding container ports")
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opts.ListVar(&config.GraphOptions, []string{"-storage-opt"}, "Set storage driver options")
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// FIXME: why the inconsistency between "hosts" and "sockets"?
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opts.IPListVar(&config.Dns, []string{"#dns", "-dns"}, "DNS server to use")
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opts.DnsSearchListVar(&config.DnsSearch, []string{"-dns-search"}, "DNS search domains to use")
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opts.LabelListVar(&config.Labels, []string{"-label"}, "Set key=value labels to the daemon")
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config.Ulimits = make(map[string]*ulimit.Ulimit)
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opts.UlimitMapVar(config.Ulimits, []string{"-default-ulimit"}, "Set default ulimits for containers")
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flag.StringVar(&config.LogConfig.Type, []string{"-log-driver"}, "json-file", "Default driver for container logs")
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}
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func getDefaultNetworkMtu() int {
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if iface, err := networkdriver.GetDefaultRouteIface(); err == nil {
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return iface.MTU
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}
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return defaultNetworkMtu
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}
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