Python multi-Master remote operation

#!/usr/bin/python#-*-coding:utf-8-*-' Create on 2014.12.13@author: feifei ' import  Osimport sysimport paramikoips = []def read_ip (ipfile):     try:         if os.path.isfile (ipfile):             allip = open (ipfile,  ' R ')              for ip in allip:         ips.append (Ip.strip ())              allip.close () else:    sys.exit ()     except:print  ' Open  ip.txt is failure. ' Sys.exit () def remote_action ():     username= ' root '     pkey= '/root/ . Ssh/id_rsa '     port=22    fail_host = []     for hostname in ips:        try:     paramiko.util.log_to_file (' Paramiko.log ')     key=paramiko. Rsakey.from_private_key_file (Pkey)     s=paramiko. Sshclient ()     s.load_system_host_keys ()     s.connect (Hostname,port, Username,pkey=key)     print  '%s: '  % hostname    stdin, Stdout,stderr=s.exec_command (' hostname;free m ')     print stdout.read ()      s.close () Except:    fail_host.append (hostname)     if  not fail_host:print  ' \033[1;31;40mall host is succeed.\033[0m '      else:        print  "\033[1;31;40mplease check  fail host:\033[0m ",         FOR&NBSp;index, value in enumerate (fail_host):         print   "\033[1;31;40m%s\033[0m"  % value,if __name__ ==  "__main__":     read_ip (' Ip.txt ')     remote_action ()

PS: Use Python to implement remote operations on multiple target hosts.

Python multi-Master remote operation