discovery

type Discovery interface {
	// 获取服务器的一个地址
	GetServiceAddr(serviceName string) (string, error)
	// 监控服务地址变化
	WatchService(serviceName string) error
}

type EtcdDiscovery struct {
	// contains filtered or unexported fields
}

type EtcdRegisty struct {
	// contains filtered or unexported fields
}

type Option func(er *EtcdRegisty)

type Registry interface {
	// 注册
	Regisrty(srv Service) error
	// 注销
	DeRegistry(srv Service) error
}

type Service interface {
	Name() string
	Addr() string
}