vrrp_script chk_redis {
    script "/etc/keepalived/check_redis.sh"
    interval 5
}

vrrp_instance VI_1 {
    interface eth0
    state MASTER
    virtual_router_id 51
    priority 101
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass password
    }
    virtual_ipaddress {
        192.168.1.100/24
    }
    track_script {
        chk_redis
    }
}