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nagios監控slave(借助腳本)

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修改后的腳本如下（需添加指示燈的狀態）

# vi slave.sh

#!/bin/bash
IO_env=`/usr/local/mysql/bin/mysql -u root -p123456 -e "show slave status \G" | grep Slave_IO_Running | awk -F[:" "]+ '{print $3}'`
SQL_env=`/usr/local/mysql/bin/mysql -u root -p123456 -e "show slave status \G" | grep Slave_SQL_Running | awk -F[:" "]+ '{print $3}'`
if [ $IO_env == "Yes" -a $SQL_env == "Yes" ];then
echo "slave is running at time:`date +%y/%m/%d-%H:%M`"
exit 0
else
echo "slave is down at time:`date +%y/%m/%d-%H:%M`"
$(/sbin/mysql -u root -p123456 -e "stop slave")
$(/sbin/mysql -u root -p123456 -e "reset slave")
$(/sbin/mysql -u root -p123456 -e "start slave")
exit 2
fi
:wq

注：
1、0 指的是狀態燈綠燈，2指的是紅燈，黃燈不用
2、slave宕時執行重啟slave的命令，并顯示紅燈（注：命令執行后slave就已經正常了，顯示紅燈只是想告訴有這么個事件slave宕過）

# cp slave.sh? /usr/local/nagios/libexec

# chmod +x /usr/local/nagios/libexec/slave.sh
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# mount /dev/cdrom /media/cdrom

# rpm -ivh sudo-1.6.9pl7-3.el5.i386.rpm

# visudo

#Defaults??? requiretty??????? (注釋掉)

nagios ALL=(ALL) NOPASSWD:/usr/local/nagios/libexec/slave.sh??? (多個腳本的話設置多行)
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:wq
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# su - nagios -c 'sudo /usr/local/nagios/libexec/slave.sh'??? (看看執行是否成功)
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# vi /usr/local/nagios/etc/nrpe.cfg
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command[check_slave]=/usr/bin/sudo /usr/local/nagios/libexec/slave.sh
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:wq
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# killall nrpe
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# /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg -d
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# vi /usr/local/nagios/etc/objects/ming.cfg

define service{
????????? use????????????? generic-service
????????? host_name??????? ming
????????? service_description slave
????????? check_command????? check_nrpe!check_slave
????????? notifications_enabled?? 1
}
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:wq
?
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# service nagios restart

轉載于:https://blog.51cto.com/yangzhiming/839868

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