zabbix 如何实现监控mysql

[root@localhost ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 33 Server version: 5.5.65-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> grant all on *.* to 'check'@'localhost' identified by '123'; Query OK, 0 rows affected (0.00 sec)

[root@localhost ~]# mkdir /etc/zabbix/scipts [root@localhost ~]# cd /etc/zabbix/scipts/ [root@localhost scipts]# vim mysql.sh #!/bin/bash mysql="mysql -ucheck -p123" case $1 in # mysql主从状态 slave_status) $mysql -e "show slave status\G" |grep "Yes" |wc -l ;; # mysql流量接受 Bytes_received) mysqladmin extended-status |grep "Bytes_received" |awk '{print $4}' ;; # mysql流量发送 Bytes_sent) mysqladmin extended-status |grep "Bytes_sent" |awk '{print $4}' ;; # mysql常规操作增 Com_insert) mysqladmin extended-status |grep -w "Com_insert" |awk '{print $4}' ;; # mysql常规操作删 Com_delete) mysqladmin extended-status |grep -w "Com_delete" |awk '{print $4}' ;; # mysql常规操作改 Com_update) mysqladmin extended-status |grep -w "Com_update" |awk '{print $4}' ;; # mysql常规操作查 Com_select) mysqladmin extended-status |grep -w "Com_select" |awk '{print $4}' ;; # mysql tps tps) mysqladmin status |awk '{print $6/$2}' ;; # mysql qps=(rollback+commit)/uptime qps) rollback=$(mysqladmin extended-status |grep -w "Com_rollback" |awk '{print $4}') commit=$(mysqladmin extended-status |grep -w "Com_commit" |awk '{print $4}') uptime=$(mysqladmin status |awk '{print $2}') count=$[$rollback+$commit] echo "$count $uptime" > /tmp/a.txt cat /tmp/a.txt |awk '{print $1/$2}' ;; # 库大小我们这里拿mysql库举例 db) $mysql -e "select sum(data_length) from information_schema.tables where table_schema='mysql'" |sed -n '2p' ;; # 表大小我们这里拿mysql下面的user表举例 tb) $mysql -e "select sum(data_length) from information_schema.tables where table_schema='mysql' and table_name='user'" |sed -n '2p' ;; esac

[root@localhost scipts]# cd /etc/zabbix/zabbix_agentd.d/ [root@localhost zabbix_agentd.d]# vim mysql.conf UserParameter=mysql[*],/etc/zabbix/scipts/mysql.sh $1 [root@localhost zabbix_agentd.d]# systemctl restart zabbix-agent

[root@localhost ~]# yum -y install zabbix-get [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[slave_status] 2 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Bytes_received] 850970 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Bytes_sent] 224906 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Com_insert] 3001 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Com_delete] 135 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Com_update] 128 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[Com_select] 19 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[qps] 0.864842 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[tps] 1.92936 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[db] 555118 [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[tb] 420

[root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[slave_status] sh: /etc/zabbix/scipts/mysql.sh: 权限不够脚本执行权限不够去zabbix-agent 加权限 [root@localhost zabbix_agentd.d]# chmod +x /etc/zabbix/scipts/mysql.sh [root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[slave_status] ERROR 1227 (42000) at line 1: Access denied; you need (at least one of) the SUPER,REPLICATION CLIENT privilege(s) for this operation 是因为用户没有权限查看去zabbix-agent 授权个用户在脚本里面加上 [root@localhost ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 33 Server version: 5.5.65-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> grant all on *.* to 'check'@'localhost' identified by '123'; Query OK, 0 rows affected (0.00 sec) [root@localhost scipts]# vim mysql.sh #!/bin/bash mysql="mysql -ucheck -p123" case $1 in # mysql主从状态 slave_status) $mysql -e "show slave status\G" |grep "Yes" |wc -l ;;

[root@localhost ~]# systemctl restart mariadb [root@localhost ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 7 Server version: 5.5.65-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> show master status; +------------------+----------+--------------+------------------+ | File | Position | Binlog_Do_DB | Binlog_Ignore_DB | +------------------+----------+--------------+------------------+ | mysql-bin.000001 | 175170 | | | +------------------+----------+--------------+------------------+ 1 row in set (0.00 sec) MariaDB [(none)]> grant all on *.* to 'tom'@'%' identified by '123'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.00 sec)

[root@localhost ~]# systemctl restart mariadb [root@localhost ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 2 Server version: 5.5.65-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> change master to -> master_host='192.168.27.136', -> master_user='tom', -> master_password='123', -> master_log_file='mysql-bin.000001', -> master_log_pos=175170; Query OK, 0 rows affected (0.01 sec) MariaDB [(none)]> start slave; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> show slave status \G; *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.27.136 Master_User: tom Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000001 Read_Master_Log_Pos: 175170 Relay_Log_File: mysql-relay.000004 Relay_Log_Pos: 529 Relay_Master_Log_File: mysql-bin.000001 Slave_IO_Running: Yes Slave_SQL_Running: No Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 1146 Last_Error: Error 'Table 'zabbix.history_uint' doesn't exist' on query. Default database: 'zabbix'. Query: 'insert into history_uint (itemid,clock,ns,value) values (23287,1602301747,810415730,1)' Skip_Counter: 0 Exec_Master_Log_Pos: 173424 Relay_Log_Space: 2565 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: NULL Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 1146 Last_SQL_Error: Error 'Table 'zabbix.history_uint' doesn't exist' on query. Default database: 'zabbix'. Query: 'insert into history_uint (itemid,clock,ns,value) values (23287,1602301747,810415730,1)' Replicate_Ignore_Server_Ids: Master_Server_Id: 1 1 row in set (0.00 sec) ERROR: No query specified

[root@localhost ~]# systemctl restart mariadb [root@localhost ~]# mysql Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 4 Server version: 5.5.65-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> show slave status \G; *************************** 1. row *************************** Slave_IO_State: Waiting for master to send event Master_Host: 192.168.27.136 Master_User: tom Master_Port: 3306 Connect_Retry: 60 Master_Log_File: mysql-bin.000001 Read_Master_Log_Pos: 199126 Relay_Log_File: mysql-relay.000006 Relay_Log_Pos: 3950 Relay_Master_Log_File: mysql-bin.000001 Slave_IO_Running: Yes Slave_SQL_Running: Yes Replicate_Do_DB: Replicate_Ignore_DB: Replicate_Do_Table: Replicate_Ignore_Table: Replicate_Wild_Do_Table: Replicate_Wild_Ignore_Table: Last_Errno: 0 Last_Error: Skip_Counter: 0 Exec_Master_Log_Pos: 199126 Relay_Log_Space: 4240 Until_Condition: None Until_Log_File: Until_Log_Pos: 0 Master_SSL_Allowed: No Master_SSL_CA_File: Master_SSL_CA_Path: Master_SSL_Cert: Master_SSL_Cipher: Master_SSL_Key: Seconds_Behind_Master: 0 Master_SSL_Verify_Server_Cert: No Last_IO_Errno: 0 Last_IO_Error: Last_SQL_Errno: 0 Last_SQL_Error: Replicate_Ignore_Server_Ids: Master_Server_Id: 1 1 row in set (0.00 sec)

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