paramiko模块(并发编程)
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。
使用:
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:
######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='120.92.84.249', port=22, username='root', password='xxx') # 执行命令 stdin, stdout, stderr = ssh.exec_command('df') # 获取命令结果 result = stdout.read() print(result.decode('utf-8')) # 关闭连接 ssh.close()
########## SSHClient 封装 Transport ######### import paramiko transport = paramiko.Transport(('120.92.84.249', 22)) transport.connect(username='root', password='xxx') ssh = paramiko.SSHClient() ssh._transport = transport stdin, stdout, stderr = ssh.exec_command('df') res=stdout.read() print(res.decode('utf-8')) transport.close()
基于公钥密钥连接:
客户端文件名:id_rsa
服务端必须有文件名:authorized_keys(在用ssh-keygen时,必须制作一个authorized_keys,可以用ssh-copy-id来制作)
#######基于公钥密匙连接######## import paramiko private_key = paramiko.RSAKey.from_private_key_file('/tmp/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='120.92.84.249', port=22, username='root', pkey=private_key) # 执行命令 stdin, stdout, stderr = ssh.exec_command('df') # 获取命令结果 result = stdout.read() print(result.decode('utf-8')) # 关闭连接 ssh.close()
########SSHClient 封装 Transport######## import paramiko private_key = paramiko.RSAKey.from_private_key_file('/tmp/id_rsa') transport = paramiko.Transport(('120.92.84.249', 22)) transport.connect(username='root', pkey=private_key) ssh = paramiko.SSHClient() ssh._transport = transport stdin, stdout, stderr = ssh.exec_command('df') result=stdout.read() print(result.decode('utf-8')) transport.close()
########基于私钥字符串进行连接######## import paramiko from io import StringIO key_str = """-----BEGIN RSA PRIVATE KEY----- ...xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx... -----END RSA PRIVATE KEY-----""" private_key = paramiko.RSAKey(file_obj=StringIO(key_str)) transport = paramiko.Transport(('120.92.84.249', 22)) transport.connect(username='root', pkey=private_key) ssh = paramiko.SSHClient() ssh._transport = transport stdin, stdout, stderr = ssh.exec_command('df') result = stdout.read() print(result.decode('utf-8')) transport.close() print(result)
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
###########基于用户名密码上传下载########## import paramiko transport = paramiko.Transport(('120.92.84.249',22)) transport.connect(username='root',password='xxx') sftp = paramiko.SFTPClient.from_transport(transport) # 将location.py 上传至服务器 /tmp/test.py sftp.put('/tmp/id_rsa', '/etc/test.rsa') # 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
###########基于公钥密匙上传下载########### import paramiko private_key = paramiko.RSAKey.from_private_key_file('/tmp/id_rsa') transport = paramiko.Transport(('120.92.84.249', 22)) transport.connect(username='root', pkey=private_key ) sftp = paramiko.SFTPClient.from_transport(transport) # 将location.py 上传至服务器 /tmp/test.py sftp.put('/tmp/id_rsa', '/tmp/a.txt') # 将remove_path 下载到本地 local_path sftp.get('remove_path', 'local_path') transport.close()