zabbix自定义监控

自定义监控进程

测试监控httpd，需要在监控端部署httpd，以方便监控

配置监控脚本

#在监控端
[root@localhost ~]# dnf -y install httpd
[root@localhost ~]# systemctl start httpd
[root@localhost ~]# ss -anlt | grep 80
LISTEN 0      128                *:80               *:*   

#编写脚本
[root@localhost ~]# mkdir /scripts
[root@localhost ~]# vim /scripts/check_process.sh
#!/bin/bash

count=$(ps -ef|grep -Ev "grep|$0" | grep $1 | wc -l)
if [  $count -eq 0 ];then
        echo '1'
else
        echo '0'
fi
[root@localhost ~]# chmod +x /scripts/check_process.sh 
[root@localhost ~]# ll /scripts/check_process.sh
-rwxr-xr-x. 1 root root 119 Sep  6 21:09 /scripts/check_process.sh

#在监控端，修改配置文件
[root@localhost ~]# vim /usr/local/etc/zabbix_agentd.conf
UnsafeUserParameters=1
UnsafeUserParameters=check_process[*],/bin/bash /scripts/check_process.sh $1

#服务端检查key是否可用
[root@zabbix ~]# zabbix_get -s 192.168.111.137 -k check_process[httpd]
0
[root@zabbix ~]# zabbix_get -s 192.168.111.137 -k check_process[mysql]
1
[root@zabbix ~]# zabbix_get -s 192.168.111.137 -k check_process[zabbix]
0

添加监控项

查看监控数据

添加触发器

手动关闭httpd，进行测试触发报警

[root@localhost ~]# systemctl stop httpd

查看报错

发送邮件

查看邮件

自定义监控日志

初学者复制的脚本
忘情的log脚本日志

#由于是python的脚本，需要在python环境中
[root@localhost ~]# dnf -y install python36

#编写脚本
[root@localhost ~]# cd /etc/scripts/
[root@localhost scripts]# vim log.py
#!/usr/bin/env python3
import sys
import re

def prePos(seekfile):
    global curpos
    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@localhost scripts]# chmod +x log.py 
[root@localhost scripts]# ll
total 12
-rwxr-xr-x. 1 root root  128 Sep  6 21:53  check_process.sh
-rwxr-xr-x. 1 root root 1890 Sep  6 22:49  log.py

#修改配置文件
[root@localhost ~]# vim /usr/local/etc/zabbix_agentd.conf
UserParameter=check_logs[*],/etc/scripts/log.py $1 $2 $3
[root@localhost ~]# pkill zabbix
[root@localhost ~]# zabbix_agentd 

#需要给/var/log/httpd目录添加权限
[root@localhost ~]# chmod 755 /var/log/httpd/
[root@localhost ~]# ll /var/log/httpd/
total 8
-rw-r--r--. 1 root root  704 Sep  6 21:42 access_log
-rw-r--r--. 1 root root 2635 Sep  6 22:12 error_log

#给httpd的error日志，添加一个错误信息
[root@localhost ~]# echo "Error" >> /var/log/httpd/error_log
#服务端测试
[root@zabbix ~]# zabbix_get -s 192.168.111.137 -k check_logs['/var/log/httpd/error_log']
1
[root@zabbix ~]# zabbix_get -s 192.168.111.137 -k check_logs['/var/log/httpd/error_log']
0

添加监控项

添加触发器

手动添加错误日志，触发报警

[root@localhost httpd]# echo "Error123" >> /var/log/httpd/error_log