shell监控脚本-监控mysql 主从复制

cat chk_mysql_rep.sh

#!/bin/bash

#

#script_name:chk_mysql_rep.sh

#check mysql replication

#

#last update 20130320 by dongnan

#bbs# http://bbs.ywwd.net/ 
#blog# http://dngood.blog.51cto.com 
#

#ssh root@xen "/usr/local/mysql/bin/mysql -uroot -pdongnan -e 'show slave status\G' -ss" | awk '/Running:/ {print $2}'

#Yes

#Yes

#

#variables

ssh=/usr/bin/ssh

sh_dir=/root/sh/

crondir=${sh_dir}crontab

source ${sh_dir}CONFIG

hosts="$DB_SLAVE_HOSTS"

#main

#主循环遍历机器

for HOST in $hosts;do

log=$crondir/log/mysql_replication_error.log

key=$($ssh root@$HOST "/usr/local/mysql/bin/mysql -uroot -pdongnan -e 'show slave status\G' -ss" | awk '/Running:/ {printf $2}')

#无法连接的主机,跳过本次循环

test -z "$key" && continue

#返回结果真

if [ "$key" == "YesYes" ];then

#flag真,解除报警

if [ -f "${crondir}/log/$HOST.mysql" ];then

#sms

#for mobile in $MOBILES;do

#echo "$HOST replication ok" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode

#done

#mail

for mail in $MAILS;do

echo "$HOST replication ok" | mail -s "$HOST replication ok" $mail

done

#flag

rm -f "${crondir}/log/$HOST.mysql"

fi

#返回结果假

else

check_date=$(date '+ %F %T')

#flag假，报警

if [ ! -f "${crondir}/log/$HOST.mysql" ];then

#sms

#for mobile in $MOBILES;do

#echo "$HOST replication error" | /usr/local/bin/gammu --sendsms TEXT "$mobile" -unicode

#done

#mail

for mail in $MAILS;do

echo "$HOST replication error" | mail -s "$HOST replication error" $mail

done

#flag

echo "replication error" >"${crondir}/log/$HOST.mysql"

#log

echo "$check_date $HOST mysql replicaton error" >> $log

fi

fi

#

done