通过云堡垒机连接服务器

import paramiko

# 配置云堡垒机的连接信息
hostname = 'your_cloud_bastion_host'
port = 22
username = 'your_username'
password = 'your_password'

# 创建SSH客户端
ssh_client = paramiko.SSHClient()
ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())

# 连接到云堡垒机
ssh_client.connect(hostname, port, username, password)

# 通过云堡垒机连接到目标服务器
target_hostname = 'your_target_server_host'
target_port = 22
target_username = 'your_target_username'
target_password = 'your_target_password'

# 创建通道
transport = ssh_client.get_transport()
channel = transport.open_channel("direct-tcpip", (target_hostname, target_port), ('localhost', 0))

# 创建目标服务器的SSH客户端
target_ssh_client = paramiko.SSHClient()
target_ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())

# 连接到目标服务器
target_ssh_client.connect(target_hostname, port=target_port, username=target_username, password=target_password, sock=channel)

# 执行命令
stdin, stdout, stderr = target_ssh_client.exec_command('ls -l')
print(stdout.read().decode())

# 关闭连接
target_ssh_client.close()
ssh_client.close()