標籤：python dns.resolver
‘‘‘ 192.168.0.1--> www.xxx.com 192.168.0.2 192.168.0.3擷取業務網域名稱A記錄，查詢出所有IP地址清單，在使用httplib模組的request()方法以get方式請求監控頁面，監控業務所有服務IP是否服務正常‘‘‘#！/usr/bin/env pythonimport dns.resolverimport osimport http.clientimport socketiplist=[] #定義ip列表變數appdomain="51cto.com" #定義業務網域名稱（例）def get_iplist(domain=""): #網域名稱解析函數，解析成功後IP將追加到iplist try: A=dns.resolver.query(domain,‘A‘) except Exception as e: print("dns resolver error:"+str(e)) return for i in A.response.answer: for j in i.items: iplist.append(j.address) return Truedef checkip(ip): checkurl=ip + ":80" getcontent="" #socket.setdefaulttimeout(5) #使用socet模組定義逾時時間為5秒 http.client.socket.setdefaulttimeout(5) conn=http.client.HTTPConnection(checkurl) #建立http連結化物件 try: conn.request("GET","/",headers={"HOST":appdomain}) #發起URL請求，添加host主機t頭 r=conn.getresponse() getcontent=r.read(15) #擷取URL頁面前1個字元，以便可用性校正 finally: if getcontent=="<!doctype html>": #監控URL頁的內容一般事先定義好的，比如“HTTP200”等 print(ip+"[Ok]") else: print(ip+"[ERROR]") #此處可放置警告程式，可以是郵件，可以是簡訊if __name__=="__main__": if get_iplist(appdomain) and len(iplist) > 0 : #條件：網域名稱解析正確至少返回一個IP for ip in iplist: checkip(ip) else: print("DNS resolver error.")
DNS網域名稱輪循業務監控
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
