zabbix 監(jiān)控mysql的方法
發(fā)布日期：2022-01-18 14:28 | 文章來源：腳本之家
zabbix部署文檔
zabbix部署完之后
zabbix-agent操作
1.監(jiān)控mysql，首先要先安裝mysql
[root@localhost ~]# yum -y install mariadb mariadb-server
2.編寫mysql監(jiān)控項的腳本
在zabbix-agent先授權(quán)個用戶 不然測試時沒有權(quán)限
[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)
mysql監(jiān)控的內(nèi)容主要有
- 主從的狀態(tài) (得先配置主從 在下面)
- 流量檢測 發(fā)送，接受常規(guī)操作 增刪改查
- 某個庫、某個表的大小
- tps(每秒查詢處理的事務(wù)數(shù)）qps(每秒能處理多少次請求數(shù))
[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主從狀態(tài)
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 發(fā)送
Bytes_sent)
mysqladmin extended-status |grep "Bytes_se
3.自定義鍵值key 重啟zabbix-agent
[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
4.在zabbix-server測試 先安裝zabbix-get
[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
報錯處理
[root@localhost ~]# zabbix_get -s 192.168.27.137 -k mysql[slave_status] sh: /etc/zabbix/scipts/mysql.sh: 權(quán)限不夠 腳本執(zhí)行權(quán)限不夠 去zabbix-agent 加權(quán)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 是因為用戶沒有權(quán)限查看 去zabbix-agent 授權(quán)個用戶在腳本里面加上 [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主從狀態(tài) slave_status) $mysql -e "show slave status\G" |grep "Yes" |wc -l ;;
zabbix頁面上添加監(jiān)控項和圖形
查看mysql流量數(shù)據(jù)
查看mysql qps tps
查看mysql主從狀態(tài)
查看mysql常規(guī)操作
查看mysql庫表大小
mysql主從配置
一.zabbix-server端
[root@localhost ~]# vim /etc/my.cnf
[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)
二.zabbix-agent端
[root@localhost ~]# vim /etc/my.cnf
[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
報錯處理
[root@localhost ~]# vim /etc/my.cnf
[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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