nagios自定义监控API插件
监控思路：通过url访问某一接口文件的具体返回内容，正则匹配某一接口存活必定含有的字符，若有则证明接口存活，若无则接口有问题。
废话不多说，上插件：
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import re
import urllib
import sys
import getopt
def usage():
print """Usage: check_api [-h|--help] [-u|--url url] [-S|--Str String]
"
Url: the url that you want to check;
String: the string that you want to match;
"
For example,#/usr/local/nagios/libexec/check_api -u 'http://xxx.com/ch1.ashx?jsoncallback=jQuery111104933076921983046_1479864376576&classid=12&systemtype=2&dataType=json&cityid=129&videoid=36065812&pageid=1&_=1479864376577' -S AdList
"""
sys.exit(3)
def getHtml(url):
page = urllib.urlopen(url)
html = page.read()
return html
def getString(Str, html):
matchObj = re.search(Str, html, re.M)
if matchObj:
print("GET API OK：get %s successfully!" % Str)
sys.exit(0)
elif not matchObj:
print("GET API CRITICAL：the API was error!")
sys.exit(2)
else:
print("GET API UNKNOWN：the API was unknow!")
sys.exit(3)
try:
options, args = getopt.getopt(sys.argv,
"hu:S:",
"--help --url= --Str=",
)
except getopt.GetoptError:
usage()
sys.exit(3)
for name, value in options:
if name in ("-h", "--help"):
usage()
if name in ("-u", "--url"):
url = value
if name in ("-S", "--Str"):
Str = value
html = getHtml(url)
getString(Str, html) 返回结果：
# /usr/local/nagios/libexec/check_api -u 'http://xxx.com/ch1.ashx?jsoncallback=jQuery111104933076921983046_1479864376576&classid=12&systemtype=2&dataType=json&cityid=129&videoid=36065812&pageid=1&_=1479864376577' -S AdList
GET API OK：get AdList successfully! 一、上述插件在客户机上部署，将此插件放入/usr/local/nagios/libexec/赋予可执行权限和属主组，修改/usr/local/nagios/etc/nrpe.cfg配置文件，添加
command=/usr/local/nagios/libexec/check_api -u 'http://xxx.com/ch1.ashx?jsoncallback=jQuery111104933076921983046_1479864376576&classid=12&systemtype=2&dataType=json&cityid=129&videoid=36065812&pageid=1&_=1479864376577' -S AdList 重启nagios客户端。
二、修改监控主机/usr/local/nagios/etc/objects/commands.cfg文件，添加
define command{
command_name check_api
command_line $USER1$/check_api -u $ARG1$ -S $ARG2$
} 修改监控主机/usr/local/nagios/etc/objects/services.cfg文件，添加
##############################M-WEB-065 check_api#####################################
define service{
host_name M-WEB-065
service_description check_api
check_command check_nrpe!check_api
max_check_attempts 5
normal_check_interval 5
retry_check_interval 2
check_period 24x7
notification_interval 10
notification_period 24x7
notification_options u,c,r
contact_groups yunwei
} 最后重启nagios，查看监控结果
http://s4.运维网.com/wyfs02/M02/8A/A0/wKiom1g1YHHQfSKQAAAngyVqCUQ707.png
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