keepalived 非抢占模式 以及nginx状态监控

 global_defs {    notification_email {      acassen@firewall.loc      failover@firewall.loc      sysadmin@firewall.loc    }    notification_email_from Alexandre.Cassen@firewall.loc    smtp_server 192.168.200.1    smtp_connect_timeout 30    router_id f6    vrrp_mcast_group4 224.0.0.20    nopreempt } vrrp_script chk_nginx { #    script "killall -0 nginx"     script "/etc/keepalived/check_nginx.sh"     interval 2     weight -5     fall 3       rise 2 } vrrp_instance VI_1 {     state BACKUP     interface eth0     virtual_router_id 58     priority 150     advert_int 1     nopreempt     authentication {         auth_type PASS         auth_pass 1111     }     virtual_ipaddress {      172.21.10.199/24 dev eth0 label eth0:1  }      track_script {        chk_nginx     } }

[root@e7 ~]# cat  /etc/keepalived/keepalived.conf  ! Configuration File for keepalived global_defs {    notification_email {      acassen@firewall.loc      failover@firewall.loc      sysadmin@firewall.loc    }    notification_email_from Alexandre.Cassen@firewall.loc    smtp_server 192.168.200.1    smtp_connect_timeout 30    router_id e7    vrrp_mcast_group4 224.0.0.20 } vrrp_script chk_nginx { #    script "killall -0 nginx"     script "/etc/keepalived/check_nginx.sh"     interval 2     weight -5     fall 3       rise 2 } vrrp_instance VI_1 {     state BACKUP     interface eth0     virtual_router_id 58     priority 100     advert_int 1     authentication {         auth_type PASS         auth_pass 1111     }     virtual_ipaddress {    172.21.10.199/24 dev eth0 label eth0:1     }        track_script {       chk_nginx     } } [root@e7 ~]#

[root@e7 ~]# cat  /etc/keepalived/check_nginx.sh  #!/bin/bash counter=$(ps -C nginx --no-heading|wc -l) if [ "${counter}" = "0" ]; then     /usr/sbin/nginx     echo "nginx 1 start"     sleep 2     counter=$(ps -C nginx --no-heading|wc -l)     if [ "${counter}" = "0" ]; then         echo "keepalived stop" #        /etc/init.d/keepalived stop systemctl stop keepalived     fi fi [root@e7 ~]#