Method down

engine/vserver.go:1269–1295

down takes down an IP address for a vserver, then takes down all services for that IP address.

(ip seesaw.IP)

// down takes down an IP address for a vserver, then takes down all services
// for that IP address.
func (v *vserver) down(ip seesaw.IP) {
	ncc := v.ncc

	// If this is an anycast VIP, withdraw the BGP route.
	nip := ip.IP()
	if seesaw.IsAnycast(nip) {
		if v.engine.config.AnycastEnabled {
			log.Infof("%v: withdrawing BGP route for %v", v, ip)
			if err := ncc.BGPWithdrawVIP(nip); err != nil {
				log.Fatalf("%v: failed to withdraw VIP %v: %v", v, ip, err)
			}
		}
		vip := seesaw.NewVIP(nip, nil)
		if err := v.engine.lbInterface.DeleteVIP(vip); err != nil {
			log.Fatalf("%v: failed to remove VIP %v: %v", v, ip, err)
		}
		if err := v.engine.lbInterface.DeleteVserver(v.lbVservers[ip], ip.AF()); err != nil {
			log.Fatalf("%v: failed to delete Vserver: %v", v, err)
		}
		delete(v.lbVservers, ip)
	}
	// TODO(jsing): Should we delay while the BGP routes propagate?

	delete(v.active, ip)
	v.updateServices(ip)
	log.Infof("%v: VIP %v down", v, ip)
}

// updateStats updates the IPVS statistics for this vserver.
func (v *vserver) updateStats() {