def ssh(ip,port,username,password,command): try: ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect(ip,port,username,password,timeout=9) __stdin, stdout, __stderr = ssh.exec_command(command) out = stdout.readlines() return platform.linesep.join(out) print '%s\tOK\n'%(ip) ssh.close() except: print '%s\tError\n'%(ip) tb.print_exc()