fix:数据库备份3

database/scripts/backup_database.py

@@ -19,11 +19,12 @@ def run_command(command, description):
     """执行命令并处理错误"""
     print(f"🔄 {description}...")
     try:
+        # 使用bash -c来确保命令正确执行
         result = subprocess.run(
-            command, 
-            shell=True, 
-            check=True, 
-            capture_output=True, 
+            f"bash -c '{command}'",
+            shell=True,
+            check=True,
+            capture_output=True,
             text=True,
             cwd=project_root
         )
@@ -40,25 +41,45 @@ def backup_database():
     """备份数据库"""
     print("🚀 数据库备份工具启动")
     print(f"📍 项目根目录: {project_root}")
-    
+
     # 确保备份目录存在
     backup_dir = project_root / "database" / "backups"
     backup_dir.mkdir(exist_ok=True)
-    
+
     # 生成带时间戳的备份文件名
     timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
     backup_file = backup_dir / f"auto_backup_{timestamp}.sql"
-    
-    # 构建备份命令（容器内直接连接MySQL）
-    backup_command = f"mysqldump -h mysql -u callback_user -pdev_password_123 callback_system > {backup_file}"
-    
+
     print(f"📁 备份文件: {backup_file}")
-    
-    if run_command(backup_command, f"备份数据库到 {backup_file.name}"):
-        print("🎉 数据库备份完成")
-        return True
-    else:
-        print("❌ 数据库备份失败")
+    print(f"🔄 备份数据库到 {backup_file.name}...")
+
+    try:
+        # 分步执行备份（使用已验证的方法）
+        # 1. 创建配置文件
+        config_cmd = "echo '[client]\nhost=mysql\nuser=callback_user\npassword=dev_password_123\nssl=0' > /tmp/backup.cnf"
+        subprocess.run(config_cmd, shell=True, check=True)
+
+        # 2. 执行备份
+        backup_cmd = f"mysqldump --defaults-file=/tmp/backup.cnf --single-transaction --routines --triggers callback_system > {backup_file}"
+        result = subprocess.run(backup_cmd, shell=True, capture_output=True, text=True)
+
+        # 3. 清理配置文件
+        subprocess.run("rm -f /tmp/backup.cnf", shell=True)
+
+        # 检查备份文件大小
+        if backup_file.exists() and backup_file.stat().st_size > 0:
+            print("✅ 备份数据库成功")
+            print(f"📊 备份文件大小: {backup_file.stat().st_size} 字节")
+            print("🎉 数据库备份完成")
+            return True
+        else:
+            print(f"❌ 备份数据库失败")
+            if result.stderr:
+                print(f"错误: {result.stderr}")
+            return False
+
+    except Exception as e:
+        print(f"❌ 备份过程中发生异常: {e}")
         return False
 
 if __name__ == '__main__':

docker-compose.yml

@@ -49,6 +49,8 @@ services:
       - DB_PASSWORD=dev_password_123
       - DB_NAME=callback_system
       - DB_CHARSET=utf8mb4
+    volumes:
+      - ./database/backups:/app/database/backups
     depends_on:
       mysql:
         condition: service_healthy