nagios和python检测插件的不同点

一个检测http和https状态和返回时间的程序,nagios可以使用的插件 代码中饱含注释, 如果不明之处和认为有错误的地方, 请各位指出 nagios安装 [ /leeyd/blog/472064#]?

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#!/bin/env python #coding:utf8 ######################################################################### # #File name: check_http_status.py #Description: 利用python的pycurl模块,获取url的返回状态和返回时间 #Author:pangli #mail: # ######################################################################### import pycurl import fcntl import sys import os import StringIO import time from optparse import OptionParser TIME = int(time.time()) data_path = os.path.split(os.path.realpath(__file__))[0] + "/http_data/" #判断数据文件夹是否存在 if not os.path.isdir(data_path): os.makedirs(data_path) #返回代码:200-207成功状态,300-307重定向状态,此处也划分到成功里 code_rule = [200, 201, 202, 203, 204, 205, 206, 207, 300, 301, 302, 303, 304, 305, 306, 307] usage = "python %(script_name)s -u <url|ipaddress> -w <connectTime,totalTime> -c <connectTime,totalTime> -t <http|https>" parser = OptionParser(usage=usage % {"script_name" : sys.argv[0]}) parser.add_option("-u", "--url", dest="url", help="url or ipaddress") parser.add_option("-t", "--type", dest="type", help="transport protocols type,http|https") 开源监控软件 parser.add_option("-w", "--warning", dest="w_value", help="alarm value(warning)") parser.add_option("-c", "--critical", dest="c_value", help="alarm value(critical)") option,args = parser.parse_args() if option.url == -1 or option.w_value == -1 or option.c_value == -1 or option.type == -1: parser.print_help() sys.exit(3) def http_url_req(url): try: buf = StringIO.StringIO() status = dict() #去掉用户输入的url头 format_url = url.replace("", "") req = pycurl.Curl() #perform返回写入缓存忽略掉 req.setopt(req.WRITEFUNCTION, buf.write) #设置请求的URL req.setopt(req.URL,"" + format_url) #设置连接超时 req.setopt(req.TIMEOUT,5) #执行请求 req.perform() status["return_code"] = req.getinfo(pycurl.HTTP_CODE) status["con_time"] = float("%0.3f" % req.getinfo(pycurl.CONNECT_TIME)) status["tol_time"] = float("%0.3f" % req.getinfo(pycurl.TOTAL_TIME)) req.close() return status except pycurl.error,e: print "The http status : CRITICAL | connect failed " sys.exit(2) except Exception, e: print str(e) sys.exit(3) def https_url_req(url): try: buf = StringIO.StringIO() status = dict() #去掉用户输入的url头 format_url = url.replace("", "") req = pycurl.Curl() #perform返回写入缓存忽略掉 req.setopt(req.WRITEFUNCTION, buf.write) nagios配置 #忽略证书检查 req.setopt(req.SSL_VERIFYPEER, 0) #忽略主机验证 req.setopt(req.SSL_VERIFYHOST, 0) #设置请求的URL req.setopt(req.URL,"" + format_url) #设置超时连接 req.setopt(req.TIMEOUT,5) #执行请求 req.perform() status["return_code"] = req.getinfo(pycurl.HTTP_CODE) status["con_time"] = float("%0.3f" % req.getinfo(pycurl.CONNECT_TIME)) status["tol_time"] = float("%0.3f" % req.getinfo(pycurl.TOTAL_TIME)) req.close() return status except pycurl.error: print "The https status : CRITICAL | connect failed " sys.exit(2) except Exception, e: print str(e) sys.exit(3) #判断报警状态 def alarm(**params): w = dict() c = dict() print_result = "The http status : %(status)s | URL=%(ip)s http_return_code=%(return_code)s connect_time=%(c_time)s total_time=%(t_time)s" code = params["return_code"] con_time = round(params["con_time"],3) tol_time = round(params["tol_time"],3) URL = params["url"] w["cTime"],w["tTime"] = 监控软件 c["cTime"],c["tTime"] = #报警判断 if cmp(con_time,c["cTime"]) >= 0 or cmp(tol_time,c["tTime"]) >= 0 or code not in code_rule: print print_result % {"status":"CRITICAL","ip":URL, "return_code":code,"c_time":con_time,"t_time":tol_time} sys.exit(2) elif cmp(con_time,w["cTime"]) >= 0 or cmp(tol_time,w["tTime"]) >= 0 or code not in code_rule: print print_result % {"status":"WARNING","ip":URL, "return_code":code,"c_time":con_time,"t_time":tol_time} sys.exit(1) else: print print_result % {"status":"OK","ip":URL,"return_code":code,"c_time":con_time,"t_time":tol_time} sys.exit(0) if __name__ == '__main__': url = option.url if option.type == "http": return_data = http_url_req(url) alarm(return_code = return_data["return_code"], nagios实施 url=option.url, con_time = return_data["con_time"], tol_time = return_data["tol_time"]) elif option.type == "https": return_data = https_url_req(url) alarm(return_code = return_data["return_code"], url=option.url, con_time = return_data["con_time"], tol_time = return_data["tol_time"]) else: print "ERROR: transport protocols type error" nagios培训 parser.print_help() sys.exit(3)

执行结果展示