本脚本使用了函数功能。

#!/bin/bash

#Author: Daihaijun. 2008-8-26

IP1=192.168.1.5

IP2=192.168.1.104

IP3=192.168.1.181

IP4=192.168.1.182

IP5=192.168.1.193

IP6=192.168.1.194

IP7=192.168.1.196

MYSQLMONLOG=/data/shell/monmysqld/mysqldmon.log

mkdir -p /data/shell/monmysqld

if [ -e $MYSQLMONLOG ];then

echo "file exist!"

else

touch $MYSQLMONLOG

fi

######Difine function#######

fun()

{

echo "------------Backup start at `date +%Y-%m-%d_%H:%M:%S`-----\

---------" >>$MYSQLMONLOG

for i in "IP1" "IP2" "IP3" "IP4" "IP5" "IP6" "IP7"

do

/usr/bin/mysqladmin -h ${!i} -uroot -p9210 ping &>/dev/null

if [ $? == 0 ];then

echo "Code:$? ${!i} myslqd is alive." >> $MYSQLMONLOG

else

echo "Code:$? ${!i} myslqd is no service" >> $MYSQLMONLOG

sendEmail -f alert@jsharer.com -u "myslqd error" \

-m "${!i} myslqd is no service" -xu alert@jsharer.com -xp 29019853 \

-t alarm@jsharer.com -s 210.51.44.184:25

fi;

done

#

IP8=192.168.1.1

/usr/bin/mysqladmin -h $IP8 -uroot -pstandalonesite ping &>/dev/null

if [ $? == 0 ];then

echo "Code:$? $IP8 myslqd is alive." >> $MYSQLMONLOG

else

echo "Code:$? $IP8 myslqd is no service" >> $MYSQLMONLOG

sendEmail -f alert@jsharer.com -u "myslqd error" \

-m "$IP8 myslqd is no service" -xu alert@jsharer.com -xp 29019853 \

-t alarm@jsharer.com -s 210.51.44.184:25

fi

IP9=192.168.1.184

/usr/bin/mysqladmin -uroot -pyuanwanga ping &>/dev/null

if [ $? == 0 ];then

echo "Code:$? $IP9 myslqd is alive." >> $MYSQLMONLOG

else

echo "Code:$? $IP9 myslqd is no service" >> $MYSQLMONLOG

sendEmail -f alert@jsharer.com -u "myslqd error" \

-m "$IP9 myslqd is no service" -xu alert@jsharer.com -xp 29019853 \

-t alarm@jsharer.com -s 210.51.44.184:25

fi

IP10=192.168.1.250

/usr/bin/mysqladmin -h $IP10 -uadmin2 -pyuanwanga ping &>/dev/null

if [ $? == 0 ];then

echo "Code:$? $IP10 myslqd is alive." >> $MYSQLMONLOG

else

echo "Code:$? $IP10 myslqd is no service" >> $MYSQLMONLOG

sendEmail -f alert@jsharer.com -u "myslqd error" \

-m "$IP10 myslqd is no service" -xu alert@jsharer.com -xp 29019853 \

-t alarm@jsharer.com -s 210.51.44.184:25

fi

#IP11=192.168.1.187

#/usr/bin/mysqladmin -h $IP11 -uadmin2 -pyuanwanga ping &>/dev/null

#if [ $? == 0 ];then

#    echo "Code:$? $IP11 myslqd is alive." >> $MYSQLMONLOG

#else

#    echo "Code:$? $IP11 myslqd is no service" >> $MYSQLMONLOG

#    sendEmail -f alert@jsharer.com -u "myslqd error" \

#-m "$IP11 myslqd is no service" -xu alert@jsharer.com -xp 29019853 \

#-t alarm@jsharer.com -s 210.51.44.184:25

#fi

echo "------------Backup end at `date +%Y-%m-%d_%H:%M:%S`-----\

---------" >>$MYSQLMONLOG

}

for((var=1;var<4;var++))

do

fun

done

exit 0

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