python第三方模块之paramiko模块

目录：

• paramiko模块介绍
• paramiko模块安装
• paramiko模块使用

一、paramiko模块介绍

paramiko是一个用于做远程控制的模块，使用该模块可以对远程服务器进行命令或文件操作，值得一说的是，fabric和ansible内部的远程管理就是使用的paramiko来现实。它包含两个常用模块，SSHClient()模块，SFTPClient()模块。

二、paramiko模块安装

pycrypto，由于 paramiko 模块内部依赖pycrypto，所以先下载安装pycrypto
pip3 install pycrypto
pip3 install paramiko

三、paramiko模块使用

1、执行远程命令SSHClient()模块

 #!/usr/bin/python

 import paramiko

 ssh = paramiko.SSHClient()

 ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

 ssh.connect("某IP地址",22,"用户名", "口令")

 stdin, stdout, stderr = ssh.exec_command("你的命令")

 print stdout.readlines()

 ssh.close()

2、执行远程命令SSHClient()模块之密钥登录

 import paramiko

 private_key_path = '/home/auto/.ssh/id_rsa'
 key = paramiko.RSAKey.from_private_key_file(private_key_path)

 ssh = paramiko.SSHClient()
 ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
 ssh.connect('主机名 ', 端口, '用户名', key)

 stdin, stdout, stderr = ssh.exec_command('df')
 print stdout.read()
 ssh.close()

 import paramiko

 pravie_key_path = '/home/auto/.ssh/id_rsa'
 key = paramiko.RSAKey.from_private_key_file(pravie_key_path)

 t = paramiko.Transport(('182.92.219.86',22))
 t.connect(username='wupeiqi',pkey=key)

 sftp = paramiko.SFTPClient.from_transport(t)
 sftp.put('/tmp/test3.py','/tmp/test3.py')

 t.close()

 import paramiko

 pravie_key_path = '/home/auto/.ssh/id_rsa'
 key = paramiko.RSAKey.from_private_key_file(pravie_key_path)

 t = paramiko.Transport(('182.92.219.86',22))
 t.connect(username='wupeiqi',pkey=key)

 sftp = paramiko.SFTPClient.from_transport(t)
 sftp.get('/tmp/test3.py','/tmp/test4.py')

 t.close()

3、上传文件到远程SFTPClient()模块

 #!/usr/bin/python

 import paramiko

 t = paramiko.Transport(("某IP地址",22))

 t.connect(username = "用户名", password = "口令")

 sftp = paramiko.SFTPClient.from_transport(t)

 remotepath='/tmp/test.txt'

 localpath='/tmp/test.txt'

 sftp.put(localpath,remotepath)

 t.close()

4、远程下载到本地SFTPClient()模块

 import paramiko

 t = paramiko.Transport(("某IP地址",22))

 t.connect(username = "用户名", password = "口令")

 sftp = paramiko.SFTPClient.from_transport(t)

 remotepath='/tmp/test.txt'

 localpath='/tmp/test.txt'

 sftp.get(remotepath, localpath)

 t.close()

5、整合使用：

 #coding:utf-8
 import paramiko
 import uuid

 class SSHConnection(object):

     def __init__(self, host='192.168.2.103', port=22, username='root',pwd=''):
         self.host = host
         self.port = port
         self.username = username
         self.pwd = pwd
         self.__k = None

     def connect(self):
         transport = paramiko.Transport((self.host,self.port))
         transport.connect(username=self.username,password=self.pwd)
         self.__transport = transport

     def close(self):
         self.__transport.close()

     def upload(self,local_path,target_path):
         # 连接，上传
         # file_name = self.create_file()
         sftp = paramiko.SFTPClient.from_transport(self.__transport)
         # 将location.py 上传至服务器 /tmp/test.py
         sftp.put(local_path, target_path)

     def download(self,remote_path,local_path):
         sftp = paramiko.SFTPClient.from_transport(self.__transport)
         sftp.get(remote_path,local_path)

     def cmd(self, command):
         ssh = paramiko.SSHClient()
         ssh._transport = self.__transport
         # 执行命令
         stdin, stdout, stderr = ssh.exec_command(command)
         # 获取命令结果
         result = stdout.read()
         print (str(result,encoding='utf-8'))
         return result

 ssh = SSHConnection()
 ssh.connect()
 ssh.cmd("ls")
 ssh.upload('s1.py','/tmp/ks77.py')
 ssh.download('/tmp/test.py','kkkk',)
 ssh.cmd("df")
 ssh.close()