mysql状态监控脚本示例
Posted 一头猪的奇妙旅行
tags:
篇首语:本文由小常识网(cha138.com)小编为大家整理,主要介绍了mysql状态监控脚本示例相关的知识,希望对你有一定的参考价值。
1、获取mysql的性能参量,并且进行判断是否警告
#!/bin/bash #定义变量 v_username=‘mysql‘ v_datetime=`date +"%Y-%m-%d %H:%M:%S"` v_hostname=`hostname` v_ip=`/sbin/ifconfig bond2|grep ‘inet addr‘|awk ‘{print $2}‘|cut -d: -f2` MY_user="root" MY_pwd=*** MY_base=`ps -ef|grep mysqld|grep 3306|awk -F ‘--‘ ‘{print $2}‘|awk -F ‘=‘ ‘{print $2}‘|sed ‘s/[ \t]*$//g‘` MY_cm="$MY_base/bin/mysql" MY_admin="$MY_base/bin/mysqladmin" MY_errlog=`ps -ef|grep mysqld|grep 3306|awk -F ‘--‘ ‘{print $5}‘|awk -F ‘=‘ ‘{print $2}‘|sed ‘s/[ \t]*$//g‘` #发送人 v_sendmail=`hostname`@139.com #接收人 v_receivemail=‘[email protected] [email protected]‘ #邮件发送程序 MAIL_BIN="/home/crond/bsmtp" #设置LC_ALL export LC_ALL=en_US.UTF-8 #监控目录 v_path="/home/mysql/scripts/monitorlog" if [ ! -d "$v_path" ];then mkdir -p "$v_path" fi #数据库存活监控 rm -f /home/mysql/scripts/monitorlog/mysql_process.log ps -elf|grep mysqld|grep -v grep > /home/mysql/scripts/monitorlog/mysql_process.log if [ -s /home/mysql/scripts/monitorlog/mysql_process.log ];then echo "mysql process is ok" >> $v_path/monitor_mysql.log else echo "############################" > $v_path/monitor_mysql.log echo "USER: ${v_username}" >> $v_path/monitor_mysql.log echo "HOSTNAME: ${v_hostname}" >> $v_path/monitor_mysql.log echo "IP: ${v_ip}" >> $v_path/monitor_mysql.log echo "############################" >> $v_path/monitor_mysql.log echo "MYSQL IS DOWN" >> $v_path/monitor_mysql.log $MAIL_BIN -f ${v_sendmail} -h smtp.api.localdomain -s "${v_hostname} MYSQL PROCESS WARNING!!! - ${v_datetime}" ${v_receivemail} < $v_path/monitor_mysql.log fi #活跃会话告警 active_connect=70 sum_active_connect=`$MY_admin -u$MY_user -p$MY_pwd pr|grep -iv sleep|wc -l` monitor_active_connec=`expr $active_connect / 2 + $active_connect` if [ "$sum_active_connect" -ge "$monitor_active_connec" ];then echo "############################" > $v_path/my_active_connect.log echo "USER: ${v_username}" >> $v_path/my_active_connect.log echo "HOSTNAME: ${v_hostname}" >> $v_path/my_active_connect.log echo "IP: ${v_ip}" >> $v_path/my_active_connect.log echo "############################" >> $v_path/my_active_connect.log echo "now active connect warning,Usual active connec is $active_connect, now active connect is $sum_active_connect" >> $v_path/my_active_connect.log $MAIL_BIN -f ${v_sendmail} -h smtp.api.localdomain -s "${v_hostname} ACTIVE CONNECT WARNING!!! - ${v_datetime}" ${v_receivemail} < $v_path/my_active_connect.log fi #慢日志告警 if [ -s "$v_path/my_slow_dir.txt" ];then echo "slow_dir_ok" else $MY_cm -u$MY_user -p$MY_pwd -e "show global variables like ‘slow_query_log_file‘" > $v_path/my_slow_dir.txt fi MY_slow=`grep slow $v_path/my_slow_dir.txt|awk ‘{print $2}‘` count_slow=`wc -l $MY_slow|awk ‘{print $1}‘` #echo "$count_slow" sleep 5 count_slow_now=`wc -l $MY_slow|awk ‘{print $1}‘` if [ "$count_slow" -ne "$count_slow_now" ];then echo "############################" > $v_path/my_slow.log echo "USER: ${v_username}" >> $v_path/my_slow.log echo "HOSTNAME: ${v_hostname}" >> $v_path/my_slow.log echo "IP: ${v_ip}" >> $v_path/my_slow.log echo "############################" >> $v_path/my_slow.log /home/mysql/scripts/pt-query-digest --since=2h $MY_slow >> $v_path/my_slow.log $MAIL_BIN -f ${v_sendmail} -h smtp.api.localdomain -s "${v_hostname} SLOW LOG WARNING!!! - ${v_datetime}" ${v_receivemail} < $v_path/my_slow.log fi #锁等待告警 monitor_lock=3 $MY_cm -u$MY_user -p$MY_pwd -e "show global status like ‘Innodb_row_lock_current_waits‘" > $v_path/lock.log count_lock=`grep "[0-9]" $v_path/lock.log|awk ‘{print $2}‘` if [ "$count_lock" -ge "$monitor_lock" ];then echo "############################" >> $v_path/lock.log echo "USER: ${v_username}" >> $v_path/lock.log echo "HOSTNAME: ${v_hostname}" >> $v_path/lock.log echo "IP: ${v_ip}" >> $v_path/lock.log echo "############################" >> $v_path/lock.log $MY_cm -u$MY_user -p$MY_pwd -e "show engine innodb status\G" >> $v_path/lock.log $MAIL_BIN -f ${v_sendmail} -h smtp.api.localdomain -s "${v_hostname} SLOW LOG WARNING!!! - ${v_datetime}" ${v_receivemail} < $v_path/lock.log fi #mysql错误日志告警 if [ -s "$v_path/mysql_error.log" ];then echo "error_ok" else grep -i error $MY_errlog > $v_path/mysql_error.log fi count_error=`grep -i error $v_path/mysql_error.log|wc -l|awk ‘{print $1}‘` monitor_error=`grep -i error $MY_errlog |wc -l` #echo "$monitor_error monitor_error" if [ "$monitor_error" -ne "$count_error" ];then echo "############################" > $v_path/my_error.log echo "USER: ${v_username}" >> $v_path/my_error.log echo "HOSTNAME: ${v_hostname}" >> $v_path/my_error.log echo "IP: ${v_ip}" >> $v_path/my_error.log echo "############################" >> $v_path/my_error.log grep -i error $MY_errlog|tail -n 20 >> $v_path/my_error.log $MAIL_BIN -f ${v_sendmail} -h smtp.api.localdomain -s "${v_hostname} ERROR LOG WARNING!!! - ${v_datetime}" ${v_receivemail} < $v_path/my_error.log if [ $? == 0 ];then rm -f $v_path/mysql_error.log fi fi #连接总数告警 connect=30 sum_connect=`$MY_admin -u$MY_user -p$MY_pwd pr|wc -l` monitor_connect=`expr $connect / 10` if [ "$sum_connect" -le "$monitor_connect" ];then echo "############################" > $v_path/my_connect.log echo "USER: ${v_username}" >> $v_path/my_connect.log echo "HOSTNAME: ${v_hostname}" >> $v_path/my_connect.log echo "IP: ${v_ip}" >> $v_path/my_connect.log echo "############################" >> $v_path/my_connect.log echo "now connect warning,Usual connect is $connect, now connect is $sum_connect" >>$v_path/my_connect.log $MAIL_BIN -f ${v_sendmail} -h smtp.api.localdomain -s "${v_hostname} SUM CONNECT WARNING!!! - ${v_datetime}" ${v_receivemail} < $v_path/my_connect.log fi
以上是关于mysql状态监控脚本示例的主要内容,如果未能解决你的问题,请参考以下文章