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#!/bin/sh
cat << EOF
+-----------------------------------------------------------------------------+
| === Welcome to LinuxTone=== |
|---------------------[url]http://www.linuxtone.org[/url]-------------------------|
+-------------------------------By:hamgua--------------------------------+
EOF
MYPORT=`netstat -na|grep "tcp"|grep "3306"|awk -F[:" "]+ '{print $5}'`
HAPORT=`netstat -na|grep "udp"|grep "694"|awk -F[:" "]+ '{print $5}'`
PING=`ping -c 5 [url]www.linuxtone.org[/url]|awk -F, '/packets/{print $3}'|cut -c 2-|awk '{print $1}'`
DB1IP=`ifconfig eth0|awk '/inet/{print $2}'|cut -c 6-`
#DB2IP is your next mysqlserver and haserver IP,According to it own IP to fill
while [ "$PING" != "100\%" ]
do
touch /var/log/mysql_ha.log
if [ "$MYPORT" == "3306"];then
if [ "$HAPORT" == "694" ];then
echo "$DB1IPmysql and ha is running......"
else
echo "$DB1IPmysql is running,but ha is down,start ha now"
/etc/rc.d/init.d/heartbeat start
if [ "$HAPORT" == "694"];then
echo "$DB1IPha start successful,mysql and ha all running......"
else
echo "$DB1IPha is down,let (DB2IP) to take over mysql,please start ha now!" > /var/log/mysql_ha.log
mail -s "mysql and ha warning!server: $DB1IP ha is down" [email]hamgua@gmail.com[/email] < /var/log/mysql_ha.log
fi
fi
else
if [ "$HAPORT" == "694" ];then
echo "$DB1IP mysql is down,but ha is runing,now shutdown ha,let (DB2IP) to take over mysql,then restart mysql....." > /var/log/mysql_ha.log
mail -s "mysql and ha warning!server: $DB1IP mysql is down" [email]hamgua@gmail.com[/email] < /var/log/mysql_ha.log
/etc/rc.d/init.d/heartbeat stop
/etc/rc.d/init.d/mysqld start
if [ "$MYPORT" == "3306"];then
/etc/rc.d/init.d/heartbeat start
echo "$DB1IP$mysql restart successful,now mysql and ha all running......"
fi
else
echo "$DB1IPmysql and ha all down,first restart msyql,when mysql is run,restart ha"
/etc/rc.d/init.d/mysqld start
if [ "$MYPORT" == "3306"];then
/etc/rc.d/init.d/heartbeat start
if [ "$HAPORT" == "694" ];then
echo "$DB1IPmysql and ha all running......"
else
echo "$DB1IPmysql is running,ha is down,please restart ha" > /var/log/mysql_ha.log
mail -s "mysql and ha warning!server: $DB1IP ha is down" [email]hamgua@gmail.com[/email] < /var/log/mysql_ha.log
fi
else
echo "$DB1IPmysql and ha all down,let (DB2IP) to take over mysql,please restart mysql" > /var/log/mysql_ha.log
mail -s "mysql and ha warning!server: $DB1IP mysql and ha all down" [email]hamgua@gmail.com[/email] < /var/log/mysql_ha.log
fi
fi
fi
sleep 10
done

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