#!/bin/bash
 
echo "=== 修复 MySQL 监听配置 ==="
 
# 1. 备份配置文件
sudo cp /etc/mysql/mysql.conf.d/mysqld.cnf /etc/mysql/mysql.conf.d/mysqld.cnf.backup.$(date +%Y%m%d_%H%M%S)
echo "✅ 已备份配置文件"
 
# 2. 修改 bind-address
sudo sed -i 's/^bind-address.*127.0.0.1/bind-address = 0.0.0.0/' /etc/mysql/mysql.conf.d/mysqld.cnf
echo "✅ 已修改 bind-address"
 
# 3. 显示修改后的配置
echo ""
echo "修改后的配置："
sudo grep "bind-address" /etc/mysql/mysql.conf.d/mysqld.cnf
echo ""
 
# 4. 重启 MySQL
echo "正在重启 MySQL..."
sudo systemctl restart mysql
sleep 2
 
# 5. 验证
echo ""
echo "验证 MySQL 监听状态："
sudo netstat -tlnp | grep 3306
echo ""
 
# 6. 测试连接
DOCKER0_IP=$(ip addr show docker0 | grep -oP '(?<=inet\s)\d+(\.\d+){3}')
echo "测试从本机连接 MySQL (IP: $DOCKER0_IP):"
mysql -h $DOCKER0_IP -u railway -p'Railway01.' -e "SELECT 'Connection OK' as status, DATABASE() as current_db, VERSION() as version;" 2>&1
 
echo ""
echo "=== 修复完成 ==="