ha.mdown

Script used to check if HAProxy is running

vrrp_script check_haproxy { script "killall -0 haproxy" interval 2 weight 2 }

Virtual interface

The priority specifies the order in which the assigned interface to take over in a failover

vrrp_instance VI_01 { state MASTER interface ens33 virtual_router_id 1 priority 101 # 101 on master, 100 on backup

The virtual ip address shared between the two loadbalancers

virtual_ipaddress {
    172.16.69.254/24
}
track_script {
    check_haproxy
}

}

ipvsadm -A -t 172.16.69.254:80 -s rr ipvsadm -a -t 172.16.69.254:80 -r 10.10.10.20:80 -g ipvsadm -a -t 172.16.69.254:80 -r 10.10.10.30:80 -g

iptables -t nat -A PREROUTING -d 172.16.69.254 -j REDIRECT 00:50:56:30:FC:C4 ipvsadm -S >> /etc/ipvsadm.rules