代码语言：javascript复制
1 vim /etc/keepalived/check_MySQL.sh
2 #!/bin/bash
3 MYSQL=/usr/bin/mysql
4 MYSQL_HOST=localhost
5 MYSQL_USER=root
6 CHECK_COUNT=5
7 counter=1
8 while true
9 do
10 mysql -h $MYSQL_HOST -u $MYSQL_USER -e "show status;" >/dev/null 2>&1
11 i=$?
12 ps aux | grep mysqld | grep -v grep > /dev/null 2>&1
13 j=$?
14 if [ $i = 0 ] && [ $j = 0 ]
15 then
16 exit 0
17 else
18 if [ $i = 1 ] && [ $j = 0 ]
19 then
20 exit 0
21 else
22 if [ $counter -gt $CHECK_COUNT ]
23 then
24 break
25 fi
26 let counter
27 continue
28 fi
29 fi
30 done
31 /etc/init.d/keepalived stop
32 exit 1
