Zabbix实现监控多个mysql过程解析

     UnsafeUserParameters=1
     EnableRemoteCommands=1
     Include=/etc/zabbix/etc/zabbix_agentd.conf.d/*.conf
[root@mysql zabbix]# vi /etc/zabbix/etc/zabbix_agentd.conf
     UnsafeUserParameters=1
     EnableRemoteCommands=1
     Include=/etc/zabbix/etc/zabbix_agentd.conf.d/*.conf

[root@mysql etc]# vim /etc/zabbix/etc/zabbix_agentd.conf.d/check_mysql.conf
     UserParameter=mysql_discovery[*],/etc/zabbix/bin/discovery_mysql.sh $1  ###自动发现不同端口
     UserParameter=mysql.status[*],/etc/zabbix/bin/mysql_status.sh $1 $2   ###性能监控信息
     UserParameter=mysql.ping[*],/etc/zabbix/bin/mysql_alive.sh $1      ### 是否存活
     UserParameter=mysql.ms.check[*],/etc/zabbix/bin/mysql_slave_status.sh $1 ### 从库状态是否正常
     UserParameter=mysql.ms.time[*],/etc/zabbix/bin/mysql_slave_time.sh $1  ### 从库是否有延迟

[root@mysql etc]# ll /etc/zabbix/bin/
total 716
     -rwxr-xr-x 1 root root  441 Jul 22 11:36 discovery_mysql.sh
     -rwxr-xr-x 1 root root  401 Jul 22 11:36 mysql_alive.sh
     -rwxr-xr-x 1 root root  303 Jul 22 15:10 mysql_slave_status.sh
     -rwxr-xr-x 1 root root  286 Jul 22 15:10 mysql_slave_time.sh
     -rwxr-xr-x 1 root root  299 Jul 22 11:36 mysql_status.sh
     -rwxr-xr-x 1 root root  370 Jul 22 11:36 mysql_version.sh
[root@mysql etc]# more /etc/zabbix/bin/discovery_mysql.sh
     res=`echo $1| sed "s/_/\n/g"`;
     port=($res)
     printf '{\n'
     printf '\t"data":[\n'
     for key in ${!port[@]}
     do
       if [[ "${#port[@]}" -gt 1 && "${key}" -ne "$((${#port[@]}-1))" ]];
     then
         printf '\t {\n'
         printf "\t\t\t\"{#MYSQLPORT}\":\"${port[${key}]}\"},\n"
     else [[ "${key}" -eq "((${#port[@]}-1))" ]]
         printf '\t {\n'
         printf "\t\t\t\"{#MYSQLPORT}\":\"${port[${key}]}\"}\n"
     fi
     done
     printf '\t ]\n'
     printf '}\n'
[root@mysql etc]# more /etc/zabbix/bin/mysql_status.sh
     #!/bin/bash
     var=$1
     mysql=/usr/local/mysql/bin/mysql
     MYSQL_USER="zabbixagent"
     MYSQL_PASSWORD=Zabbix131
     MYSQL_SOCK_DIR="/tmp/mysql$2.sock"
     ${mysql} -u${MYSQL_USER} -p${MYSQL_PASSWORD} -S ${MYSQL_SOCK_DIR} -e "show global status;" 2> /dev/null |grep -v Variable_name|grep "\b${var}\b"|awk '{print $2}'
[root@mysql etc]# more /etc/zabbix/bin/mysql_alive.sh
     #!/bin/bash
     mysqladmin=/usr/local/mysql/bin/mysqladmin
     MYSQL_USERdd="zabbixagent"
     MYSQL_PASSWORD=Zabbix131
     MYSQL_SOCK_DIR="/tmp/mysql$1.sock"
     ${mysqladmin} -u${MYSQL_USER} -p${MYSQL_PASSWORD} -S ${MYSQL_SOCK_DIR} ping|grep -c alive
[root@mysql etc]# more /etc/zabbix/bin/mysql_slave_status.sh
     #!/bin/bash
     #var=$1
     mysql=/usr/local/mysql/bin/mysql
     MYSQL_USERdd="zabbixagent"
     MYSQL_PASSWORD=Zabbix131
     MYSQL_SOCK_DIR="/tmp/mysql$1.sock"
     ${mysql} -u${MYSQL_USER} -p${MYSQL_PASSWORD} -S ${MYSQL_SOCK_DIR} -e "show slave status\G;" 2> /dev/null|grep -E 'Slave_IO_Running: Yes|Slave_SQL_Running: Yes'|grep -c Yes
[root@mysql etc]# more /etc/zabbix/bin/mysql_slave_time.sh
     #!/bin/bash
     #var=$1
     mysql=/usr/local/mysql/bin/mysql
     MYSQL_USERdd="zabbixagent"
     MYSQL_PASSWORD=Zabbix131
     MYSQL_SOCK_DIR="/tmp/mysql$1.sock"
     ${mysql} -u${MYSQL_USER} -p${MYSQL_PASSWORD} -S ${MYSQL_SOCK_DIR} -e "show slave status\G;" 2> /dev/null|grep -E 'Seconds_Behind_Master'|awk '{print $2}'