nagios和python检测插件的不同点
来自：网络一个检测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
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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:artie_lee@163.com
#
#########################################################################
import pycurl import fcntl import sys import os import StringIO import time from optparseimport OptionParser
TIME = int(time.time())
data_path = os.path.split(os.path.realpath(__file__)) + "/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 =
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})
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("http://", "")
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,"http://" + 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("https://", "")
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,"https://" + 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"] = each in (option.w_value).split(",")] 监控软件 c["cTime"],c["tTime"] = each in (option.c_value).split(",")]
#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
uploads/space/2015/0629/145308_zfaF_1395186.jpg
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