Golang skel.PluginMain函数代码示例

func main() {
	var (
		justVersion      bool
		cniNet           bool
		cniIpam          bool
		address          string
		meshAddress      string
		logLevel         string
		noMulticastRoute bool
	)

	flag.BoolVar(&justVersion, "version", false, "print version and exit")
	flag.BoolVar(&cniNet, "cni-net", false, "act as a CNI network plugin")
	flag.BoolVar(&cniIpam, "cni-ipam", false, "act as a CNI IPAM plugin")
	flag.StringVar(&logLevel, "log-level", "info", "logging level (debug, info, warning, error)")
	flag.StringVar(&address, "socket", "/run/docker/plugins/weave.sock", "socket on which to listen")
	flag.StringVar(&meshAddress, "meshsocket", "/run/docker/plugins/weavemesh.sock", "socket on which to listen in mesh mode")
	flag.BoolVar(&noMulticastRoute, "no-multicast-route", false, "deprecated (this is now the default)")

	flag.Parse()

	if justVersion {
		fmt.Printf("weave plugin %s\n", version)
		os.Exit(0)
	}

	common.SetLogLevel(logLevel)

	weave := weaveapi.NewClient(os.Getenv("WEAVE_HTTP_ADDR"), Log)

	switch {
	case cniIpam || strings.HasSuffix(os.Args[0], "weave-ipam"):
		i := ipamplugin.NewIpam(weave)
		cni.PluginMain(i.CmdAdd, i.CmdDel)
		os.Exit(0)
	case cniNet || strings.HasSuffix(os.Args[0], "weave-net"):
		n := netplugin.NewCNIPlugin(weave)
		cni.PluginMain(n.CmdAdd, n.CmdDel)
		os.Exit(0)
	}

	// API 1.21 is the first version that supports docker network commands
	dockerClient, err := docker.NewVersionedClientFromEnv("1.21")
	if err != nil {
		Log.Fatalf("unable to connect to docker: %s", err)
	}

	Log.Println("Weave plugin", version, "Command line options:", os.Args[1:])
	if noMulticastRoute {
		Log.Warning("--no-multicast-route option has been removed; multicast is off by default")
	}
	Log.Info(dockerClient.Info())

	err = run(dockerClient, weave, address, meshAddress)
	if err != nil {
		Log.Fatal(err)
	}
}

func main() {
	if len(os.Args) > 1 && os.Args[1] == "daemon" {
		runDaemon()
	} else {
		skel.PluginMain(cmdAdd, cmdDel)
	}
}

func main() {
	skel.PluginMain(cmdAdd, cmdDel)
}