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开发堡垒机之前，先来学习Python的paramiko模块，该模块机遇SSH用于连接远程服务器并执行相关操作
SSHClient
用于连接远程服务器并执行基本命令
基于用户名密码连接：
import paramiko # 创建SSH对象 ssh = paramiko.SSHClient() # 允许连接不在know_hosts文件中的主机 ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) # 连接服务器 ssh.connect(hostname=‘c1.salt.com‘, port=22, username=‘Jerry‘, password=‘123456‘) # 执行命令 stdin, stdout, stderr = ssh.exec_command(‘df‘) # 获取命令结果 result = stdout.read() print(result.decode()) # 关闭连接 ssh.close()
import paramiko transport = paramiko.Transport((‘hostname‘, 22)) transport.connect(username=‘Jerry‘, password=‘123456‘) ssh = paramiko.SSHClient() ssh._transport = transport stdin, stdout, stderr = ssh.exec_command(‘df‘) print stdout.read() transport.close()
基于公钥密钥连接：
import paramiko private_key = paramiko.RSAKey.from_private_key_file(‘/home/auto/.ssh/id_rsa‘) # 创建SSH对象 ssh = paramiko.SSHClient() # 允许连接不在know_hosts文件中的主机 ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) # 连接服务器 ssh.connect(hostname=‘192.168.1.6‘, port=22, username=‘Jerry‘, pkey=private_key) # 执行命令 stdin, stdout, stderr = ssh.exec_command(‘df‘) # 获取命令结果 result = stdout.read() # 关闭连接 ssh.close()
import paramiko private_key = paramiko.RSAKey.from_private_key_file(‘/home/auto/.ssh/id_rsa‘) transport = paramiko.Transport((‘hostname‘, 22)) transport.connect(username=‘jerry‘, pkey=private_key) ssh = paramiko.SSHClient() ssh._transport = transport stdin, stdout, stderr = ssh.exec_command(‘df‘) transport.close()
SFTPClient
用于连接远程服务器并执行上传下载
基于用户名密码上传下载
import paramiko transport = paramiko.Transport((‘hostname‘,22)) transport.connect(username=‘jerry‘,password=‘123456‘) sftp = paramiko.SFTPClient.from_transport(transport) # 将location.py 上传至服务器 /tmp/test.py sftp.put(‘/tmp/location.py‘, ‘/tmp/test.py‘) # 将remove_path 下载到本地 local_path sftp.get(‘remove_path‘, ‘local_path‘) transport.close()
基于公钥密钥上传下载
import paramiko private_key = paramiko.RSAKey.from_private_key_file(‘/home/auto/.ssh/id_rsa‘) transport = paramiko.Transport((‘hostname‘, 22)) transport.connect(username=‘jerry‘, pkey=private_key ) sftp = paramiko.SFTPClient.from_transport(transport) # 将location.py 上传至服务器 /tmp/test.py sftp.put(‘/tmp/location.py‘, ‘/tmp/test.py‘) # 将remove_path 下载到本地 local_path sftp.get(‘remove_path‘, ‘local_path‘) transport.close()
#!/usr/bin/env python # -*- coding:utf-8 -*- import paramiko import uuid class Haproxy(object): def __init__(self): self.host = ‘172.16.103.191‘ self.port = 22 self.username = ‘wupeiqi‘ self.pwd = ‘123‘ self.__k = None def create_file(self): file_name = str(uuid.uuid4()) with open(file_name,‘w‘) as f: f.write(‘sb‘) return file_name def run(self): self.connect() self.upload() self.rename() self.close() 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): # 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(file_name, ‘/home/wupeiqi/tttttttttttt.py‘) def rename(self): ssh = paramiko.SSHClient() ssh._transport = self.__transport # 执行命令 stdin, stdout, stderr = ssh.exec_command(‘mv /home/wupeiqi/tttttttttttt.py /home/wupeiqi/ooooooooo.py‘) # 获取命令结果 result = stdout.read() ha = Haproxy() ha.run()
Python之路第一课Day9--随堂笔记之一(堡垒机实例以及数据库操作)未完待续....
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原文地址：http://www.cnblogs.com/youngcheung/p/5880005.html
