Zabbix使用fpmmm(mpm)模塊實現對Mysql的全面監控
(Performance Monitor for MySQL)
fpmmm is the FromDualPerformance Monitor for MySQL and MariaDB and the counterpart to the MySQL EnterpriseMonitor from Oracle.With fpmmm you can monitor your MySQL/MariaDB databases andalso your database hosts (machines).fpmmm works on Linux and should also workon Mac OSX (and possibly some other *BSD derivatives). Windows support is plannedfor the next major release.fpmmm is the successor of mpm. mpm was renamed tofpmmm because of the naming conflict with the Apache Multi-Processing Modules(MPM).fpmmm needs a Zabbix Server for storing its performance data. There youcan see the graphs, and alerts are sent to you from there.
上話摘自官網,簡單來說mpm改名爲fpmmm,可配合zabbix監控數據庫。用了一段時間後感覺挺好使的。使用fpmmm可以很全面的監控mysql數據庫。
被監控主機操作:
1.安裝依賴的程序包:
[root@test-master-mysql-42 bin]# yum install php-cli php-process php-mysqli
2.下載fpmmm:
http://down.51cto.com/data/2239742
https://support.fromdual.com/admin/public/download.php?product_id=0
[root@test-app-server-130 install]#
wget https://support.fromdual.com/admin/download/fpmmm-0.10.6.tar.gz
3.解壓:
[root@test-app-server-130 install]# tar -xvf fpmmm-0.10.6.tar.gz
4.移動到部署位置:
[root@test-app-server-130 install]# mv fpmmm-0.10.6 /data/server/zabbix_agent/fpmmm/
[root@test-app-server-130 install]# cd /data/server/zabbix_agent/fpmmm/
[root@test-app-server-130 fpmmm]# ls
bin CHANGELOG INSTALL lib tpl
5.mysql創建監控帳號:
mysql> grant PROCESS,REPLICATION CLIENT,REPLICATION SLAVE on *.* to zabbix_fpmmm@'127.0.0.1' identified by '密碼';
mysql> grant select on mysql.user to zabbix_fpmmm@'127.0.0.1';
6.創建並修改配置文件:
(注意:事例裏配置的目錄上一級已存在,自己在搭建時注意目錄是否存在,若嫌麻煩和權限問題可以都放在tmp目錄)
[root@test-app-server-130 fpmmm]# cp -pr tpl/fpmmm.conf.templatetpl/fpmmm.conf
[root@test-app-server-130 fpmmm]# vim tpl/fpmmm.conf
####################################
1 [default]
5 Type = mysqld
#####修改日誌等級,建議在部署時調高些,便於排查問題######
13 LogLevel = 2
#####日誌位置,部署時多察看日誌,便於排錯#####
14 LogFile = /data/logs/zabbix/fpmmm.log
15 # Directory where the cache files shouldbe written to:
#####CacheFileBase會以fpmmm+”.”+”hostname”+”.”cache命名,注意權限,zabbix對這個文件要有讀寫權限#####
16 CacheFileBase =/data/server/zabbix_agent/fpmmm/fpmmm
17 AgentLockFile =/data/server/zabbix_agent/fpmmm/fpmmm.lock
#####本地被監控mysql的帳號密碼等信息,注意創建相應監控帳號#####
25 Username = zabbix_fpmmm
26 Password = 密碼
27 MysqlHost = 127.0.0.1
28 MysqlPort = 3306
29
30 # Zabbix Server IP address
#####zabbix服務端的地址#####
31 ZabbixServer = zabbix服務端ip
32
33 # If section is disabled
34 Disabled = false
46 Modules = innodb master myisam mysql processsecurity
47
48 # Special parameter which is used formodule process (MySQL PID file!)
#####mysql的pid,可以從my.cnf裏查找,未指定 pid文件時,pid 文件默認名爲 主機名.pid,存放的路徑在默認MySQL的date數據目錄######
49 PidFile = /data/server/mysql/data/mysqld.pid
#####只是監控mysql,db_hos註釋掉#####
62 #[db_host] # This MUST match Hostname in Zabbix!
63
64 #Type = mysqld
65 #Modules = fpmmm server
#####配置監控主機信息,下面的hostname可以自己隨意取名字,但要和zabbix網頁上添加主機時的配置主機hostname一致#####
72 [hostname] # This MUST match Hostname in Zabbix!
73
74 Type = mysqld
75
76 MysqlPort = 3306
#####pid跟上面相同#####
77 Modules = process mysql myisam innodb masterslave security
78 PidFile = /data/server/mysql/data/mysqld.pid
#####只監控mysql,memcached註釋掉#####
81 #[memcached] # This MUST match Hostname in Zabbix!
82
83 #Type = memcached
84 #Modules = memcached
85
86 #MemcachedHost = 127.0.0.1
87 #MemcachedPort = 11211
#####################################
7.第一次嘗試運行:
[root@test-master-mysql-42 bin]#/data/server/zabbix_agent/fpmmm/bin/fpmmm --config=/data/server/zabbix_agent/fpmmm/tpl/fpmmm.conf
PHP Notice: Undefined index: PATH in /data/server/zabbix_agent/fpmmm/bin/fpmmm.phpon line 29
PHP Notice: Undefined index: PATH in /data/server/zabbix_agent/fpmmm/bin/fpmmm.phpon line 29
PHP Warning: gettimeofday(): It is not safe to rely on thesystem's timezone settings. You are *required* to use the date.timezone settingor the date_default_timezone_set() function. In case you used any of those methodsand you are still getting this warning, you most likely misspelled the timezoneidentifier. We selected 'Asia/Chongqing' for 'CST/8.0/no DST' instead in/data/server/zabbix_agent/fpmmm/lib/log.inc on line 103
這裏有兩個問題:
1).php時區錯誤。
解決方法:
修改php.ini,在php.ini中找到;date.timezone= 去掉它前面的;號,然後設置data.timezone= "Asia/Shanghai";
[root@test-master-mysql-42~]# vim /etc/php.ini
2).未找到zabbix_sender。
可以再次執行命令的同時監控日誌(tail -f /data/logs/zabbix/fpmmm.log)看到報錯信息:7887:2016-09-0621:35:11.983 - ERR : which: nozabbix_sender in (/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/data/server/mysql/bin:/root/bi)
解決方法:在/usr/local/bin/添加zabbix_sender軟鏈接
[root@test-master-mysql-42 ~]# ln -s /data/server/zabbix_agent/bin/zabbix_sender /usr/local/bin/
同時註釋掉/data/server/zabbix_agent/fpmmm/bin/fpmmm.php的第29行。
8. 第二次運行:
[root@test-master-mysql-42 bin]#/data/server/zabbix_agent/fpmmm/bin/fpmmm --config=/data/server/zabbix_agent/fpmmm/tpl/fpmmm.conf
1
沒有報錯,日誌也正常(tail -f /data/logs/zabbix/fpmmm.log)。
9. 但是,在測試運行後需要修改幾個文件的權限和所屬者,不然在以後的運行中會報錯:
1). 修改新產生的cache文件權限:
[root@test-master-mysql-42 zabbix_agent]# chown zabbix.zabbix /data/server/zabbix_agent/fpmmm/ -R
2). 修改日誌權限:
[root@test-master-mysql-42 logs]# chown zabbix.zabbix /data/logs/zabbix/ -R
3).修改mysql的pid權限讓zabbix可讀(但下次mysql重啓後pid權限會改變),或直接把zabbix用戶加到mysql組:
[root@test-master-mysql-42 ~]# chmod 664 /data/server/mysql/data/mysql.pid
或
[root@test-master-mysql-42 ~]# usermod -a -G mysql zabbix
注意:在刪除日誌後需要重新給權限,有問題一定要看日誌,根據日誌報錯來排查。
10.修改zabbix的agent配置文件,在最末尾添加鍵值:
[root@test-master-mysql-42 fpmmm]# vim
/data/server/zabbix_agent/etc/zabbix_agentd.conf
UserParameter=FromDual.MySQL.check,/data/server/zabbix_agent/fpmmm/bin/fpmmm--config=/data/server/zabbix_agent/fpmmm/tpl/fpmmm.conf
重啓zabbix-aget服務。
11.導入模版
模版就在下載的安裝包的tpl目錄
下載後解壓出模板導入
只需要導入需要的就行,可以導入:
Template_FromDual.MySQL.server.xml Template_FromDual.MySQL.innodb.xml Template_FromDual.MySQL.master.xmlTemplate_FromDual.MySQL.mysql.xml Template_FromDual.MySQL.process.xml Template_FromDual.MySQL.server.xml Template_FromDual.MySQL.slave.xml
12.添加主機:
添加完畢後,可以去最新數據裏看是否收到數據
13.添加到計劃任務:
遇到沒有數據的情況,將fpmmm加到crontab計劃任務發送數據到zabbix_server(需要添加SHELL和PATH),如下:
執行set命令獲取PATH:
[root@test-master-mysql-42 fpmmm]# crontab -e
*/2 * * * * SHELL=/bin/bash;PATH=/data/server/java/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/curl/bin:/root/bin;/bin/bash /data/server/zabbix_agent/fpmmm/bin/fpmmm --config=/data/server/zabbix_agent/fpmmm/tpl/fpmmm.conf >/dev/null
參考: http://www.fromdual.com/fpmmm-installation-guide