centos7 keepalived 配置高可用

! Configuration File for keepalived
global_defs {
   notification_email {
     xaioqiang.he@xinboxinmo.com
   }
   notification_email_from h_find@sina.com
   smtp_server 192.168.200.1
   smtp_connect_timeout 30
   router_id keepalived1
   vrrp_skip_check_adv_addr
   #vrrp_strict 如果在ping不通的情况下 要注释这条
   vrrp_garp_interval 0
   vrrp_gna_interval 0
}
vrrp_script chk_nginx {
   script "killall -0 nginx"
   interval 2
   weight -20
}
vrrp_instance VI_1 {
    state MASTER
    interface ens33
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1114
    }
    virtual_ipaddress {
        192.168.132.16/32 dev ens33 label ens33:0
    }
    track_script {
    chk_nginx
    }
}
vrrp_instance VI_2 {
    state BACKUP
    interface ens33
    virtual_router_id 59
    priority 98
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 2224
    }
    virtual_ipaddress {
        192.168.132.17/32 dev ens33 label ens33:1
    }
    track_script {
    chk_nginx
    }
}