ssh 通道连接mysql

import paramiko
import pymysql

# SSH 连接配置
ssh_host = 'your_ssh_host'
ssh_port = 22
ssh_username = 'your_ssh_username'
ssh_password = 'your_ssh_password'

# MySQL 连接配置
mysql_host = 'localhost'
mysql_port = 3306
mysql_user = 'your_mysql_user'
mysql_password = 'your_mysql_password'
mysql_db = 'your_mysql_db'

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

# 连接 SSH 服务器
ssh_client.connect(ssh_host, ssh_port, ssh_username, ssh_password)

# 创建 SSH 通道
transport = ssh_client.get_transport()
local_port = 3307
remote_port = mysql_port
transport.request_port_forward('', local_port)

# 通过本地端口转发连接 MySQL
conn = pymysql.connect(host='127.0.0.1', port=local_port, user=mysql_user, password=mysql_password, db=mysql_db)

# 执行 SQL 查询
cursor = conn.cursor()
cursor.execute("SELECT * FROM your_table")
results = cursor.fetchall()

for row in results:
    print(row)

# 关闭连接
cursor.close()
conn.close()
ssh_client.close()