def connect(host):
  'this is use the paramiko connect the host,return conn'
  ssh = paramiko.SSHClient()
  ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
  try:
#    ssh.connect(host,username='root',allow_agent=True,look_for_keys=True)
    ssh.connect(host,username='root',password='root',allow_agent=True)
    return ssh
  except:
    return None

def command(args,outpath):
  'this is get the command the args to return the command'
  cmd = '%s %s' % (outpath,args)
  return cmd

def exec_commands(conn,cmd):
  'this is use the conn to excute the cmd and return the results of excute the command'
  stdin,stdout,stderr = conn.exec_command(cmd)
  results=stdout.read()
  return results

def copy_moddule(conn,inpath,outpath):
  'this is copy the module to the remote server'
  ftp = conn.open_sftp()
  ftp.put(inpath,outpath)
  ftp.close()
  return outpath

def excutor(host,outpath,args):
  conn = connect(host)
  if not conn:
    return [host,None]
  exec_commands(conn,'chmod +x %s' % outpath)
  cmd =command(args,outpath)
  result = exec_commands(conn,cmd)
  print '%r' % result
  result = json.loads(result)
  return [host,result]

if __name__ == '__main__':
  print json.dumps(excutor('192.168.1.165','ls',' -l'),indent=4,sort_keys=True)
  print copy_module(connect('192.168.1.165'),'kel.txt','/root/kel.1.txt')
  exec_commands(connect('192.168.1.165'),'chmod +x %s' % '/root/kel.1.txt')

#!/usr/bin/env python
import json
import paramiko

def connect(host):
  'this is use the paramiko connect the host,return conn'
  ssh = paramiko.SSHClient()
  ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
  try:
#    ssh.connect(host,username='root',allow_agent=True,look_for_keys=True)
    ssh.connect(host,username='root',password='root',allow_agent=True)
    return ssh
  except:
    return None

def command(args,outpath):
  'this is get the command the args to return the command'
  cmd = '%s %s' % (outpath,args)
  return cmd

def exec_commands(conn,cmd):
  'this is use the conn to excute the cmd and return the results of excute the command'
  stdin,stdout,stderr = conn.exec_command(cmd)
  results=stdout.read()
  return results

def excutor(host,outpath,args):
  conn = connect(host)
  if not conn:
    return [host,None]
  #exec_commands(conn,'chmod +x %s' % outpath)
  cmd =command(args,outpath)
  result = exec_commands(conn,cmd)
  result = json.dumps(result)
  return [host,result]

def copy_module(conn,inpath,outpath):
    'this is copy the module to the remote server'
    ftp = conn.open_sftp()
    ftp.put(inpath,outpath)
    ftp.close()
    return outpath


if __name__ == '__main__':
    print json.dumps(excutor('192.168.1.165','ls',' -l'),indent=4,sort_keys=True)
    print copy_module(connect('192.168.1.165'),'kel.txt','/root/kel.1.txt')
    exec_commands(connect('192.168.1.165'),'chmod +x %s' % '/root/kel.1.txt')