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 getoptdef 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 htmldef 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[1:],"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 = valueif name in ("-S", "--Str"):Str = valuehtml = getHtml(url)
getString(Str, html)

返回结果：

[root@M-WEB-065 ~]# /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[check_api]=/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_apicommand_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-065service_description     check_apicheck_command           check_nrpe!check_apimax_check_attempts      5normal_check_interval   5retry_check_interval    2check_period            24x7notification_interval   10notification_period     24x7notification_options    u,c,rcontact_groups          yunwei
}

最后重启nagios，查看监控结果