zabbix自定义监控项

[root@noed1 etc]# sed -n "322p"  zabbix_agentd.conf
UnsafeUserParameters=1

[root@noed1 zabbix_scripts]# cat process_check.sh 
#!/bin/bash

result=$(ps -ef |grep -Ev "grep|$0" | grep -c $1)

if [ $result -eq 0 ];then
	echo "1"
else
	echo "0"
fi

root@noed1 etc]# sed -n "332p" zabbix_agentd.conf
UserParameter=process_check[*],/usr/local/etc/zabbix_scripts/process_check.sh $1

[root@noed1 zabbix_scripts]# cat 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@noed1 etc]# sed -n "334p" zabbix_agentd.conf
UserParameter=error_log[*],/usr/local/etc/zabbix_scripts/log.py $1 $2 $3

[root@zabbix_server ~]# zabbix_get  -s 192.168.248.200 -k "error_log["/tmp/logs","/tmp/testseek", "Error"]"
1

root@noed1 etc]# for i in `seq 10`;do echo "$i" >> /tmp/logs;done

#到监控端取值
[root@zabbix_server ~]# zabbix_get  -s 192.168.248.200 -k "error_log["/tmp/logs","/tmp/testseek", "Error"]"
0

#输出Error至/tmp/logs文件中再次取值
[root@noed1 etc]# echo  "Error" >> /tmp/logs 

#取值
[root@zabbix_server ~]# zabbix_get  -s 192.168.248.200 -k "error_log["/tmp/logs","/tmp/testseek", "Error"]"
1

[root@noed1 ~]# cat /usr/local/etc/zabbix_scripts/mysql_repliction_status.sh 
#!/bin/bash
  
USER="root"
PASSWD="123123123"

result=`mysql -u${USER}  -p${PASSWD}  -e "show slave status\G" | grep "Running:"|awk ‘{print$2}‘|grep -c Yes`

if [ $result -eq 2 ];then
       echo "0"
else
       echo "1"
fi

[root@noed1 zabbix_scripts]# sed -n ‘335p‘ ../zabbix_agentd.conf
UserParameter=mysql_replication,/usr/local/etc/zabbix_scripts/mysql_repliction_status.sh

[root@zabbix_server ~]# zabbix_get  -s 192.168.248.200 -k "mysql_replication"
0

MariaDB [(none)]> stop slave;
Query OK, 0 rows affected (0.002 sec)