kubeasz/roles/lb/templates/keepalived-backup.conf.j2

global_defs {
    router_id lb-backup
}

vrrp_script check-haproxy {
    script "killall -0 haproxy"
    interval 5
    weight -60
}

vrrp_instance VI-kube-master {
    state BACKUP
    priority {{ 119 | random(61, 1) }}
    unicast_src_ip {{ inventory_hostname }}
    unicast_peer {
{% for h in groups['lb'] %}{% if h != inventory_hostname %}
        {{ h }}
{% endif %}{% endfor %}
    }
    dont_track_primary
    interface {{ LB_IF }}
    virtual_router_id {{ ROUTER_ID }} 
    advert_int 3
    track_script {
        check-haproxy
    }
    virtual_ipaddress {
        {{ MASTER_IP }}
    }
}