VRRP Keepalived

gistfile1.txt

! Configuration file for keepalived

vrrp_script chk_nginx {
	script "pidof nginx"
        interval 2
	weight -60
}

vrrp_instance VI_1 {
   debug 2
   interface eth0                # interface to monitor
   state MASTER
   virtual_router_id 51          # Assign one ID for this route
   priority 150                  # 150 on master, 100 on backup
   unicast_src_ip 100.0.0.151     # My IP
   unicast_peer {
       100.0.0.120                # peer IP
   }
   virtual_ipaddress {
        100.0.0.255 dev eth0
   }
   authentication {
        auth_type PASS
        auth_pass pass-string-goes-here
   }

   track_script {
       chk_nginx
   }
   
   notify_master "/etc/keepalived/vrrp.master.sh"
   notify_backup "/etc/keepalived/vrrp.backup.sh"
   notify_fault  "/etc/keepalived/vrrp.fault.sh"
   
}