Table of Contents
搭建步骤
1.创建模板
2.为模板添加 自动发现宏(自动发现宏声明的途径就是下图的脚本,脚本里只有生成固定的格式,zabbix就会认定他是 自动发现宏)
3.创建监控项(监控项和监控的脚本都是要改的,因为自动发现功能,至少脚本会多了一个参数)
4.创建 主机宏
Home Database Mysql Tutorial How to use zabbix to monitor multiple mysql

How to use zabbix to monitor multiple mysql

Jun 02, 2023 pm 02:25 PM
mysql zabbix

How to use zabbix to monitor multiple mysql

用到的主要工具: 宏(分为模板宏,主机宏,自动发现宏)

     主机宏格式:$MACRO   (直接就可以 填  值)
          自动发现宏:#MACRO    (需要配合 创建的 key 取值)
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大体架构

1.agent主机 — agent 主机创建 宏变量 $MYSQLPORT ,宏变量的值为 Discovery rules的 自动发现脚本参数 2.模板 — 模板里创建自动发现规则,靠的是自动发现脚本,得到自动发现宏变量。 3.监控项– 在Discovery rules 里创建监控项,监控项名称和key值里都有自动发现宏变量,会自动生成相关端口的监控项 4.客户端 脚本和键创建,来支持整个架构运行

搭建步骤

1.创建模板
How to use zabbix to monitor multiple mysql

可以忽略这个模板的 items 和 triggers,因为它是默认的克隆 mysql 监控模板。 监控项都在 Discovery rules 里。

2.为模板添加 自动发现宏(自动发现宏声明的途径就是下图的脚本,脚本里只有生成固定的格式,zabbix就会认定他是 自动发现宏)
How to use zabbix to monitor multiple mysql

在上面的图中,mysql.discovery指的是获取自动发现宏的脚本,该脚本位于代理端。

后面的 为此脚本执行时带的参数,MYSQLPORT 是主机宏。

discovery rule 右边的 filters 是过滤规则的意思,比方你 只想取脚本里的 某某 自动发现宏,就可以在里面设置。 这里就只有一个自动发现宏,所有不做 配置。

3.创建监控项(监控项和监控的脚本都是要改的,因为自动发现功能,至少脚本会多了一个参数)
How to use zabbix to monitor multiple mysql
4.创建 主机宏
How to use zabbix to monitor multiple mysql

点开主机,添加主机宏,宏名称是 自动发现脚本里的 参数, 宏的值就是 此 主机上需要监控的端口。

这样就实现了 只要改动主机宏的 值,就可以改变主机宏的监控项。

脚本展示

1.discovery_mysql.sh 自动发现端口脚本 (网上抄的脚本做了修改)

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"fidoneprintf '\t ]\n'printf '}\n'
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执行实例: 以_ 为分隔符,格式化输出 自动发现宏 ./discovery_mysql.sh 3306_3307_3308

{
             "data":[
             {
                               "{#MYSQLPORT}":"3306"},
             {
                               "{#MYSQLPORT}":"3307"},
             {
                               "{#MYSQLPORT}":"3308"}
             ]
}
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2.mysql_filestype.sh 监控mysql的一些挂载盘

var=$1MYSQL_PORT=$2MYSQL_NAME=`ps -ef |grep '/mysql/app/bin/mysqld'| grep "$MYSQL_PORT" |grep -v grep | awk -F" " '{print $11}' |awk -F"/" '{print $2}'` ;
MYSQL_SOCk_DIR="/$MYSQL_NAME/" ;
df -h "${MYSQL_SOCk_DIR}${var}" |grep -v Filesystem |awk -F" " '{print $5}' | awk -F"%" '{print $1}' ;
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3.mysql_ping.sh 监控mysql状态

MYSQL_PORT=$1;

[ "${MYSQL_USER}"     = '' ] &&  MYSQL_USER=xxx
[ "${MYSQL_PASSWORD}" = '' ] &&  MYSQL_PASSWORD=xxxxx

mysqladmin=/mysql/app/bin/mysqladmin  ;

MYSQL_SOCk_DIR=`ps -ef |grep 'mysql'| grep "${MYSQL_PORT}" |grep -v 'grep' | awk -F" " '{print $16}'`  ;${mysqladmin}   -u${MYSQL_USER} -p${MYSQL_PASSWORD}  ${MYSQL_SOCk_DIR}  ping   2> /dev/null |grep 'alive'|wc -l  ;
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注意: 这边连接实例 都是 mysql -u -p -S /xxx/mysql.sock

但是后来发现部分客户端总是无法正确显示值,而且就是这条 语句报错, 感觉是环境变量的问题

所以拿 –socket=/xxx/mysql.sock 来代替 -S/xxx/mysql.sock 。 这里的变量${MYSQL_SOCk_DIR} 就是–socket=/xxx/mysql.sock 。

4.mysql_repl.sh mysql主从状态监控

var=$1MYSQL_PORT=$2MYSQL_SOCk_DIR=`ps -ef |grep 'mysql'| grep "${MYSQL_PORT}" |grep -v 'grep' | awk -F" " '{print $16}'`  ;
mysql=/mysql/app/bin/mysql
[ "${MYSQL_USER}"     = '' ] &&  MYSQL_USER=xxx
[ "${MYSQL_PASSWORD}" = '' ] &&  MYSQL_PASSWORD=xxxx${mysql}  -u${MYSQL_USER} -p${MYSQL_PASSWORD} ${MYSQL_SOCk_DIR} -e "show slave status\G;"  2> /dev/null |grep "\b${var}\b"|awk -F" " '{print $2}'   ;
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主从状态 有几个端口的值是 空的, 这个得 具体问题具体设置

5.mysql_status2 mysql性能之类的监控

mysql=/mysql/app/bin/mysql
var=$1MYSQL_PORT=$2[ "${MYSQL_USER}"     = '' ] &&  MYSQL_USER=xxx
[ "${MYSQL_PASSWORD}" = '' ] &&  MYSQL_PASSWORD=xxxxx

MYSQL_SOCk_DIR=`ps -ef |grep 'mysql'| grep "${MYSQL_PORT}" |grep -v 'grep' | awk -F" " '{print $16}'`  ;${mysql}  -u${MYSQL_USER} -p${MYSQL_PASSWORD} ${MYSQL_SOCk_DIR} -e "show global status;" 2> /dev/null |grep -v Variable_name|grep "\b${var}\b"|awk '{print $2}'   ;
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发现有些监控项 或因为数字过长而无法显示,待解决

6.mysql_version.sh mysql版本监控

MYSQL_PORT=$1;

MYSQL_SOCk_DIR=`ps -ef |grep 'mysql'| grep "${MYSQL_PORT}" |grep -v 'grep' | awk -F" " '{print $16}'`  ;

mysql=/mysql/app/bin/mysql ;

[ "${MYSQL_USER}"     = '' ] &&  MYSQL_USER=xxx
[ "${MYSQL_PASSWORD}" = '' ] &&  MYSQL_PASSWORD=xxxx${mysql}  -u${MYSQL_USER} -p${MYSQL_PASSWORD} ${MYSQL_SOCk_DIR}  -e "select version();" 2> /dev/null |awk 'END {print}'
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7.mysql_status_many.conf 生成可用键 配置文件

UserParameter=mysql.discovery[*],/patrol/zabbix/bin/duoshili_discovery/discovery_mysql.sh $1  
UserParameter=mysql.status_many[*],/patrol/zabbix/bin/duoshili_discovery/mysql_status2 $1 $2UserParameter=mysql.ping_many[*],/patrol/zabbix/bin/duoshili_discovery/mysql_ping.sh $1UserParameter=mysql.version_many[*],/patrol/zabbix/bin/duoshili_discovery/mysql_version.sh $1UserParameter=mysqlcheck_repl[*],/patrol/zabbix/bin/duoshili_discovery/mysql_repl.sh $1 $2UserParameter=mysql.filestyle_many[*],/patrol/zabbix/bin/duoshili_discovery/mysql_filestype
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