vip

type ConnRejecter interface {
	RejectConns() (bool, string)
}

type NetworkOperation interface {
	HasIP() (bool, error)
	AddIP(context.Context) error
	DeleteIP(context.Context) error
	SendARP(context.Context) error
	Addr() string
}

type VIPManager interface {
	Start(context.Context, *clientv3.Client) error
	// SetConnRejecter configures the checker that decides whether the instance is
	// rejecting new connections. When it reports a rejection, the manager resigns
	// the VIP owner so a healthy node takes over, and re-campaigns once it stops
	// rejecting.
	SetConnRejecter(ConnRejecter)
	PreClose()
	Close()
}