discovery

type Config struct {
	Id                  string
	ServiceName         string
	ServiceRegisterAddr string
	ServiceRegisterPort int
	ServiceCheckAddr    string
	ServiceCheckPort    int
	Tags                []string
	IntervalTime        int // 健康检查间隔
	DeregisterTime      int //check失败后30秒删除本服务，注销时间，相当于过期时间
	TimeOut             int
	CheckHTTP           string
	Router              Router
}

type Discovery interface {
	Register() error
	Deregister() error
}

type KV interface {
	Get(key string) ([]byte, error)
	Set(key string, value string) error
	Delete(key string) error
	List(key string) (map[string][]byte, error)
}

type Option func(*Config)

type Router func(url string)