LVS動態健康檢查腳本

[root@proxy ~]# vim check.sh
#!/bin/bash
VIP=192.168.4.5:80
RIP1=192.168.4.10
RIP2=192.168.4.20
while :
do
   for IP in $RIP1 $RIP2
   do
           curl -s http://$IP &>/dev/vnull
web_stat=$?
           ipvsadm -Ln | grep -q $IP
           web_in_lvs=$?
      if [ $web_stat -ne 0 -a $web_in_lvs -eq 0 ];then
               ipvsadm -d -t $VIP -r $IP
      elif [ $web_stat -eq 0 -a $web_in_lvs -ne 0 ];then
               ipvsadm -a -t $VIP -r $IP
           fi
    done
    sleep 1
done