在产品开发过程中,有时候需要web端对服务器进行操作,如修改ip、重启设备、关机等。前后端交互有很多方法,常见的有web端直接调用系统命令、通过数据库交互和Restful接口交互。直接调用系统命令最简单,但是最不安全,基本上没人会使用;数据库交互鼻尖安全,但是比较消耗硬件资源。所以Restful交互是一种很好的方式。
下面代码是对Restful形式交互的实现:
#-*- coding:utf-8 -*- #!/usr/bin/env python ‘‘‘ Created on 2017.5.9 @desc: 对系统操作的模块,负责关机、重启、ping地址和修改网络 @useMethord shutdown: http://127.0.0.1:7777/ins/json?Command=shutdown @useMethord restart: http://127.0.0.1:7777/ins/json?Command=restart @useMethord ping: http://127.0.0.1:7777/ins/json?ip=120.25.160.121 @useMethord changeNetwork: http://127.0.0.1:7777/ins/json?ip_addr="$ip"&gateway="$gateway"&netmask="$mask"&dns="$dns"&device="eth0" ‘‘‘ import os import traceback import ipaddr import commands import socket,sys,urllib from BaseHTTPServer import * class Restful(BaseHTTPRequestHandler): def __init__(self,request,client_address,server): BaseHTTPRequestHandler.__init__(self, request, client_address, server) self.dp = None self.router = None def basepath(self): pass def getresetlet(self): pass def send(self,src): """ @desc: 返回结果的函数 """ try: self.send_response(200) self.send_header("Content-type", "text/html") self.end_headers() self.wfile.write(src) self.wfile.close() except: traceback.print_exc() def done(self): self.dp = self.basepath() self.router = self.getresetlet() class doService(Restful): def do_GET(self): try: self.done() query = None query = urllib.splitquery(self.path) print self.path print query #关机 if "Command=shutdown" in self.path: self.shutdown() #重启 elif "Command=restart" in self.path: self.restart() #ping地址 elif "ip=" in self.path: query_string = query[1] print query_string if query_string: ip = query_string.split(‘=‘)[1] self.ping(ip) else: self.send(‘False‘) #修改网络参数 else: paramsInput=[‘ip_addr‘,‘netmask‘,‘gateway‘,‘dns‘,‘device‘] for pInput in paramsInput: if self.path.find(pInput) < 0: self.send(‘False‘) return param=query[1].split(‘&‘) pdict={} for p in param: tmp=p.split(‘=‘) pdict[tmp[0]]=tmp[1] print ‘change network success...‘ res = self.changeNetwork(pdict[‘ip_addr‘], pdict[‘gateway‘], pdict[‘netmask‘],pdict[‘dns‘], pdict[‘device‘]) if res: self.send("True") else: self.send("False") except: traceback.print_exc() self.send("False") def basepath(self): return "/ins" def shutdown(self): try: os.system("sudo init 0") print "power off success..." self.send("True") except: traceback.print_exc() self.send("False") def restart(self): try: os.system("sudo init 6") print "restart success..." self.send("True") except: traceback.print_exc() self.send("False") def ping(self,ip): try: if ip: ipaddr.IPAddress(ip) output = commands.getoutput("ping %s -c 4"%ip) if "100% packet loss" in output: self.send("False") else: self.send("True") except: traceback.print_exc() self.send("False") def changeNetwork(self,ip,gateway,mask,dns,device): try: if ip and gateway and mask and dns and device: ipaddr.IPAddress(ip) if ip == "1.1.1.1": self.send("please change another ip...") return False else: try: files = open("/etc/network/interfaces", ‘r‘) interface_content=files.read() files.close() net_split_contents = interface_content.split("########") #8个 for data in net_split_contents: if device in data: content = """\nauto %s\niface %s inet static\n address %s\n netmask %s\n gateway %s\n dns-nameservers %s\n\n""" %(device,device,ip,mask,gateway,dns) interface_content=interface_content.replace(data,content) break files = open("/etc/network/interfaces", ‘w+‘) files.write(interface_content) files.close() result = commands.getoutput("sudo ifdown %s && sudo ifup %s" %(device,device)) if "Failed" in result: return False else: return True except: traceback.print_exc() return False except: traceback.print_exc() return False def main(): try: server=HTTPServer((‘127.0.0.1‘,7777),doService) server.serve_forever() except KeyboardInterrupt: sys.exit(0) if __name__ == "__main__": main()
运行上面的代码,会监控本机的7777端口,只要监控到相应的命令就会执行相应的动作。web端只需要吧相应的操作发送到777端口即可。
参考:http://www.cnblogs.com/wuchaofan/p/3432596.html
时间: 2024-10-13 00:38:46