etcdmain/grpc_proxy.go
func newGRPCProxyCommand() *cobra.Command {
	lpc := &cobra.Command{
		Use:   "grpc-proxy <subcommand>",
		Short: "grpc-proxy related command",
	}
	lpc.AddCommand(newGRPCProxyStartCommand())

	return lpc
}
func newGRPCProxyCommand() *cobra.Command {
	lpc := &cobra.Command{
		Use:   "grpc-proxy <subcommand>",
		Short: "grpc-proxy related command",
	}
	lpc.AddCommand(newGRPCProxyStartCommand())

	return lpc
}
// newGRPCProxyCommand returns the cobra command for "grpc-proxy".