nagios note
1 server: nagios nagios_plugin nrpe ip:192.168.1.22 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/1024/1024),(mem/1024/1024),(mem/1024/1024),mem,"%")
18 swap = psutil.swap_memory()
19 print "swap_volume:%sM swap_used:%sM swap_free:%sM percent:%s%s" % ((swap/1024/1024),(swap/1024/1024),(swap/1024/1024),swap,"%")
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,user,datetime.datetime.fromtimestamp(user).strftime("%Y-%m-%d %H:%M"),user)
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/1024/1024/1024),(disk_usage/1024/1024/1024),(disk_usage/1024/1024/1024),disk_usage,"%")
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=/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
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