环境说明:
zabbix: 192.168.44.128 服务端 (已经装好zabbix_agentd和zabbix_server,且为MySQL主)
node2: 192.168.44.129 客户端 (已经装好zabbix_agentd,已经安装好apache服务,且为MySQL从,数据库没有密码)
监视客户端的apache进程
[root@zabbix ~]# systemctl stop firewalld [root@zabbix ~]# setenfoce 0 [root@node2 ~]# systemctl stop firewalld [root@node2 ~]# setenforce 0 [root@node2 ~]# mkdir /scripts [root@node2 ~]# cd /scripts/ //以查看进程方式过滤apache进程,输出1表示进程有问题,0表示没问题 [root@node2 scripts]# vim check_process.sh #!/bin/bash count=$(ps -ef | grep -Ev "grep|$0" | grep -c "$1") if [ $count -eq 0 ];then echo "1" else echo "0" fi [root@node2 scripts]# chmod +x check_process.sh //源码安装执行此脚本要加绝对路径 [root@node2 scripts]# ./check_process.sh /usr/local/apache/bin/httpd [root@node2 scripts]# vim /usr/local/etc/zabbix_agentd.conf //在文件最后面加入两行代码 UnsafeUserParameters=1 UserParameter=check_apache,/scripts/check_process.sh /usr/local/apache/bin/httpd [root@node2 scripts]# pkill zabbix [root@node2 scripts]# zabbix_agentd //在服务端上查看能否取到刚才配置脚本的值 [root@zabbix ~]# zabbix_get -s 192.168.44.129 -k check_apache //手动触发报警 [root@node2 scripts]# apachectl stop
监控客户端的apache的日志文件
[root@node2 scripts]# yum -y install python36 //log.py作用:检查日志文件中是否有指定的关键字 第一个参数为日志文件名(必须有,相对路径、绝对路径均可) 第二个参数为seek position文件的路径(可选项,若不设置则默认为/tmp/logseek文件。相对路径、绝对路径均可) 第三个参数为搜索关键字,默认为 Error [root@node2 scripts]# vim log.py #!/usr/bin/env python3 import sys import re def prePos(seekfile): global curpos try: cf = open(seekfile) except IOError: curpos = 0 return curpos except FileNotFoundError: curpos = 0 return curpos else: try: curpos = int(cf.readline().strip()) except ValueError: curpos = 0 cf.close() return curpos cf.close() return curpos def lastPos(filename): with open(filename) as lfile: if lfile.readline(): lfile.seek(0,2) else: return 0 lastPos = lfile.tell() return lastPos def getSeekFile(): try: seekfile = sys.argv[2] except IndexError: seekfile = '/tmp/logseek' return seekfile def getKey(): try: tagKey = str(sys.argv[3]) except IndexError: tagKey = 'Error' return tagKey def getResult(filename,seekfile,tagkey): destPos = prePos(seekfile) curPos = lastPos(filename) if curPos < destPos: curpos = 0 try: f = open(filename) except IOError: print('Could not open file: %s' % filename) except FileNotFoundError: print('Could not open file: %s' % filename) else: f.seek(destPos) while curPos != 0 and f.tell() < curPos: rresult = f.readline().strip() global result if re.search(tagkey, rresult): result = 1 break else: result = 0 with open(seekfile,'w') as sf: sf.write(str(curPos)) finally: f.close() return result if __name__ == "__main__": result = 0 curpos = 0 tagkey = getKey() seekfile = getSeekFile() result = getResult(sys.argv[1],seekfile,tagkey) print(result) [root@node2 scripts]# chmod +x log.py [root@node2 scripts]# touch /usr/local/apache/logs/error.log [root@node2 scripts]# vim /usr/local/etc/zabbix_agentd.conf UserParameter=check_logs[*],/scripts/log.py $1 $2 $3 [root@node2 scripts]# pkill zabbix [root@node2 scripts]# zabbix_agentd //在服务端上查看能否取到刚才配置py脚本的值 [root@zabbix ~]# zabbix_get -s 192.168.44.129 -k check_logs["/usr/local/apache/logs/error.log","/tmp/seek","Error"] //手动触发报警 [root@node2 scripts]# echo 'Error' >> /usr/local/apache/logs/error.log
监控客户端的mysql主从状态
//输出1表示主从有问题,0表示没问题() [root@node2 scripts]# vim check_mysql_repl.sh #!/bin/bash count=$(mysql -uroot -e 'show slave statusG'|grep ' Running:'|awk '{print $2}'|grep -c 'Yes') if [ $count -ne 2 ];then echo '1' else echo '0' fi [root@node2 scripts]# chmod +x check_mysql_repl.sh [root@node2 scripts]# vim /usr/local/etc/zabbix_agentd.conf //在文件最后面加入下面这行代码 UserParameter=check_mysql_repl,/scripts/check_mysql_repl.sh [root@node2 scripts]# pkill zabbix [root@node2 scripts]# zabbix_agentd //在服务端上查看能否取到刚才配置脚本的值 [root@zabbix ~]# zabbix_get -s 192.168.44.129 -k check_mysql_repl
监控客户端的mysql主从延迟
[root@node2 ~]# vim /scripts/check_mysql_delay.sh #!/bin/bash mysql -uroot -e 'show slave status G'|grep 'Seconds_Behind_Master:'|awk '{print $2}' [root@slave ~]# chmod +x /scripts/check_mysql_delay.sh //测试脚本 [root@slave ~]# /scripts/check_mysql_delay.sh 0 [root@slave ~]# vim /usr/local/etc/zabbix_agentd.conf //在文件最下方加入这行内容 UserParameter=check_mysql_delay,/scripts/check_mysql_delay.sh [root@slave ~]# pkill zabbix [root@slave ~]# zabbix_agentd //使用服务端测试是否能获取刚才配置脚本的值 [root@zabbix ~]# zabbix_get -s 192.168.44.129 -k check_mysql_delay 0
配置监控进程流程
配置监控日志流程
配置监控MySQL主从流程
配置监控主从延迟