在Python3中使用ssh

#encoding: utf-8
#author: walker
#date: 2017-03-29
#summary: 在python代码中使用ssh
#Python sys.version 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 18:41:36) [MSC v.1900 64 bit (AMD64)]

import paramiko 

class SSHUser(object):
	def __init__(self, host, port, usr, pwd, pkeyFile, pkeyPwd='walker'):		
		self.client = paramiko.SSHClient()
		key = paramiko.RSAKey.from_private_key_file(pkeyFile, password=pkeyPwd)
		self.client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) #通过公共方式进行认证 (不需要在known_hosts 文件中存在)
		self.client.connect(host, port, username=usr, password=pwd, pkey=key) 		
	
	def exec_cmd(self, cmd):
		return self.client.exec_command(cmd)
	
	def close(self):
		self.client.close()
		
if __name__ == '__main__':
	ssh = SSHUser(host='192.168.2.3', 
					port=22, 
					usr='walker', 
					pwd='walker', 
					pkeyFile=r'D:\key\id_rsa', #密钥文件
					pkeyPwd='walker')
	stdin, stdout, stderr=ssh.exec_cmd('hostname')  
	print(stdout.read().decode('utf-8'))
	stdin, stdout, stderr=ssh.exec_cmd('ls')  
	print(stdout.read().decode('utf-8'))  
	ssh.close()