Мониторинг MySQL

Для мониторинга MySQL существует стандартный шаблон Template App MySQL, но для его работы необходим дополнительный конфиг.
/etc/zabbix/zabbix_agentd.d/userparameter_mysql.conf

# For all the following commands HOME should be set to the directory that has .my.cnf file with password information.

# Flexible parameter to grab global variables. On the frontend side, use keys like mysql.status[Com_insert].
# Key syntax is mysql.status[variable].
UserParameter=mysql.status[*],echo "show global status where Variable_name='$1';" | HOME=/var/lib/zabbix mysql -N | awk '{print $$2}'

# Flexible parameter to determine database or table size. On the frontend side, use keys like mysql.size[zabbix,history,data].
# Key syntax is mysql.size[<database>,<table>,<type>].
# Database may be a database name or "all". Default is "all".
# Table may be a table name or "all". Default is "all".
# Type may be "data", "index", "free" or "both". Both is a sum of data and index. Default is "both".
# Database is mandatory if a table is specified. Type may be specified always.
# Returns value in bytes.
# 'sum' on data_length or index_length alone needed when we are getting this information for whole database instead of a single table
UserParameter=mysql.size[*],echo "select sum($(case "$3" in both|"") echo "data_length+index_length";; data|index) echo "$3_length";; free) echo "data_free";; esac)) from information_schema.tables$([[ "$1" = "all" || ! "$1" ]] || echo " where table_schema='$1'")$([[ "$2" = "all" || ! "$2" ]] || echo "and table_name='$2'");" | HOME=/var/lib/zabbix mysql -N

UserParameter=mysql.ping,HOME=/var/lib/zabbix mysqladmin ping | grep -c alive
UserParameter=mysql.version,mysql -V

UserParameter=mysql.srt, HOME=/var/lib/zabbix mysqladmin extended-status|/bin/grep -i 'Slave_retried_transactions' | cut -f3 -d'|'
UserParameter=mysql.sott,HOME=/var/lib/zabbix mysqladmin extended-status|/bin/grep -i 'Slave_open_temp_tables' | cut -f3 -d'|'
UserParameter=mysql.sr,  HOME=/var/lib/zabbix mysqladmin extended-status|/bin/grep -i 'Slave_running' | cut -f3 -d'|' | sed "s/OFF/0/; s/ON/1/"
UserParameter=mysql.sbm, HOME=/var/lib/zabbix mysql -e 'show slave status\G' | /bin/grep  Seconds_Behind_Master | /usr/bin/cut -f2 -d: | tr -d '[:space:]'
UserParameter=mysql.sle, HOME=/var/lib/zabbix mysql -e 'show slave status\G' | /bin/grep  Last_Errno | /usr/bin/cut -f2 -d: | tr -d '[:space:]'

В HOME=/var/lib/zabbix или другом каталоге должен лежать .my.cnf с логином и паролем пользователя от имени которого будут выполняться команды.