python如何利用paramiko执行服务器命令

 @staticmethod def connect(ip, server_user, server_port, server_path): """ 连接服务器 :param : :return: """ ssh = paramiko.SSHClient() private_key = paramiko.RSAKey.from_private_key_file('{}.ssh/id_rsa'.format(server_path)) ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) try: ssh.connect(ip, port=server_port, username=server_user, pkey=private_key, timeout=5, allow_agent=True) return ssh except Exception as e: app.logger.info('connect_error info is {}'.format(e.__repr__())) return { 'result': 1, 'ip': ip, 'msg': e.__repr__(), }

 def fabric_run_cmd(self, ip, server_user, server_port, server_path, cmd): """ 批量在服务器执行命令 :return: """ conn = self.connect(ip, server_user, server_port, server_path) try: if type(conn) == dict: return conn else: stdin, stdout, stderr = conn.exec_command(cmd) app.logger.info('fabric_run_cmd_stdout info is {}'.format(stdout.readlines())) app.logger.info('fabric_run_cmd_stderr info is {}'.format(stderr.readlines())) channel = stdout.channel status = channel.recv_exit_status() conn.close() app.logger.info('fabric_run_cmd_status info is {}'.format(status)) if status == 0: return { 'ip': ip, 'msg': '执行成功', 'result': 0 } else: return { 'ip': ip, 'msg': stderr.readlines(), 'result': 1 } except Exception as e: app.logger.info('fabric_run_cmd_error info is {}'.format(e.__repr__())) return { 'ip': ip, 'msg': e.__repr__(), 'result': 1 }

 def fabric_put_file(self, ip, src_file, dst_file, server_user, server_port, server_path): """ 发送文件到服务器 :return: """ conn = self.connect(ip, server_user, server_port, server_path) if type(conn) == dict: return conn else: try: ftp = conn.open_sftp() ftp.put(dst_file, src_file) # 发送文件之前先判断有没有目标文件夹 如果没有现在服务器上创建文件夹 ftp.close() # 在此判断文件是否发送成功 return { 'ip': ip, 'msg': '上传成功', 'result': 0 } except Exception as e: app.logger.info('fabric_put_file_error info is {}'.format(e.__repr__())) return { 'ip': ip, 'msg': e.__repr__(), 'result': 1 }