python代码

#!/usr/bin/env python
import paramiko
import socket
import sys,os
host = sys.argv[1]
user = sys.argv[2]
port = int(sys.argv[3])
auth_method = sys.argv[4]
if auth_method == 'PASSWORD':
    password = sys.argv[5]
    cmd = sys.argv[6]
else:
    cmd = sys.argv[5]
s = paramiko.SSHClient()
s.load_system_host_keys()
s.set_missing_host_key_policy(paramiko.AutoAddPolicy())
#pkey_file = '/home/alex/.ssh/id_rsa'
#key = paramiko.RSAKey.from_private_key_file(pkey_file)
#s.connect(host,port,username,pkey=key,timeout=5)
try:
 if auth_method == 'SSH_KEY':
    pkey_file = '/home/alex/.ssh/id_rsa'
    key = paramiko.RSAKey.from_private_key_file(pkey_file)
    s.connect(host,port,user,pkey=key,timeout=5)
              
 elif auth_method == 'PASSWORD':
    s.connect(host,port,user,password,timeout=5)
 stdin,stdout,stderr = s.exec_command(cmd)
 cmd_result = stdout.read(),stderr.read()
 print "--------Result from  %s -------" % host
 for line in cmd_result:
    print line,
 s.close()
except paramiko.AuthenticationException:
        print "\033[31;1m%s Authentication Error!\033[0m" % host
except socket.error:
        print "\033[31;1m%s Connection Refused!\033[0m" % host