nagios note

359025439

1 server:    nagios    nagios_plugin    nrpe　　ip:192.168.1.2
2 client    nagios_plugin    xinetd    nrpe     ip:192.168.1.3

　　一篇介绍nagios很好的博文 http://www.cnblogs.com/mchina/archive/2013/02/20/2883404.html
　　
　　nagios插件(python + psutil)(client 被监控点)(收集system信息)



1 yum install -y gcc python-devel
2 yum install python-setuptools -y
3 easy_install psutil


1 #client side
2 #vim /usr/local/nagios/libexec/get_sys_info.py
3
4 #!/usr/bin/env python
5 __author__ = 'metasequoia'
6
7 import psutil
8 import datetime
9 import platform
10
11 def info():
12     system_info = platform.version()
13     print "system_version:%s" % system_info
14     cpu_count = psutil.cpu_count()
15     print "logical_cpu_count:%score" % cpu_count
16     mem = psutil.virtual_memory()
17     print "memory_volume:%sM memory_used:%sM memory_free:%sM percent:%s%s" % ((mem[0]/1024/1024),(mem[3]/1024/1024),(mem[4]/1024/1024),mem[2],"%")
18     swap = psutil.swap_memory()
19     print "swap_volume:%sM swap_used:%sM swap_free:%sM percent:%s%s" % ((swap[0]/1024/1024),(swap[1]/1024/1024),(swap[2]/1024/1024),swap[3],"%")
20     print datetime.datetime.fromtimestamp(psutil.boot_time()).strftime("%Y-%m-%d %H:%M:%S") + " UP"
21     users = psutil.users()
22     for user in users:
23         print "%s\t%s\t%s (%s)" % (user[0],user[1],datetime.datetime.fromtimestamp(user[3]).strftime("%Y-%m-%d %H:%M"),user[2])
24     #disk_partitions = psutil.disk_partitions()
25     disk_usage = psutil.disk_usage('/')
26     print "disk_volume:%sG disk_used:%sG disk_free:%sG percent:%s%s" % ((disk_usage[0]/1024/1024/1024),(disk_usage[1]/1024/1024/1024),(disk_usage[2]/1024/1024/1024),disk_usage[3],"%")
27
28 if __name__ == "__main__":
29     info()
　　chmod + /usr/local/nagios/libexec/get_sys_info.py
　　client define command



1 vim /usr/local/nagios/etc/nrpe.cfg  
2     command[check_sys_info]=/usr/local/nagios/libexec/get_sys_info.py
　　server define command



1 vim commands.cfg
2 define command{
3         command_name    check_nrpe
4         command_line    $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1
5 }
　　server register service



1 vim services.cfg
2
3 define service{
4         use                     local-service
5         host_name               Nagios-Linux
6         service_description     Check sys_info
7         check_command           check_nrpe!check_sys_info
8         }
　　server test



1 /usr/local/nagios/libexec/check_nrpe -H 192.168.1.3 -c check_sys_info