瞻博网络交换机上的MAC地址搜索

 import paramiko import time import sys import json import threading import logging login = 'user1' password = 'pass1234' searchpass = [] port = 22 class LogPipe(threading.Thread): def __init__(self, level): threading.Thread.__init__(self) self.daemon = False self.level = level self.fdRead, self.fdWrite = os.pipe() self.pipeReader = os.fdopen(self.fdRead) self.start() def fileno(self): return self.fdWrite def run(self): for line in iter(self.pipeReader.readline, ''): logging.log(self.level, line.strip('\n')) self.pipeReader.close() def close(self): os.close(self.fdWrite) def execute_ssh_command(host, port, username, password, command): try: # Create the SSH client. ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) # Connect to the host. ssh.connect(host, port, username, password, look_for_keys=False) # Send the command (non-blocking) stdin, stdout, stderr = ssh.exec_command(command) # Wait for the command to terminate while not stdout.channel.exit_status_ready() and not stdout.channel.recv_ready(): time.sleep(1) stdoutstring = stdout.readlines() stderrstring = stderr.readlines() return stdoutstring, stderrstring finally: if ssh is not None: # Close client connection. ssh.close() def sendCommand (hostname,command): returnvalue = 0 logging.info('Host '+hostname+', command: '+command) Try: #add .mydomain for FQDN (stdoutstring, stderrstring) = execute_ssh_command(hostname+'.mydomain', port, login, password, command+'\n') if (len(stdoutstring)>0): logging.info(stdoutstring[0]) if (len(stderrstring)>0): logging.info(stderrstring[0]) except Exception as e: return returnvalue else: returnvalue = stdoutstring[0] finally: return returnvalue def checkswitch(hostname,mac_addr): try: returnvalue = {} returnvalue['host']=hostname answer = sendCommand(hostname,'show ethernet-switching table | match '+mac_addr) if(answer!=0): iface = answer.split()[4] returnvalue['iface']=iface #cut .0 prefix in the interface name answer = sendCommand(hostname,'show interfaces '+iface[:-2]+' descriptions | last 1 | no-more') iface = answer.split() if(len(iface)>2): iface=iface[3] returnvalue['description']=iface else: returnvalue['description']='none' searchpass.append(returnvalue) if (iface[:3]=='SW>'): checkswitch(iface[3:],mac_addr) else: returnvalue['iface']='none' searchpass.append(returnvalue) except Exception as e: logging.info(e) def main(argv): mac_addr = argv[0] #configure log logging.basicConfig(filename='/var/log/findmac.log', level=logging.INFO, format='%(asctime)s %(message)s') logging.info('Find MAC: '+mac_addr) checkswitch('CORE',mac_addr) for switch in searchpass: print (json.dumps(switch, ensure_ascii=False)) if __name__ == "__main__": main(sys.argv[1:])