saas-backend-agent
1a917a3472
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问题： - 116 是阿里云杭州 ECS，之前 oss_endpoint=oss-cn-hangzhou.aliyuncs.com（公网）， worker 上传/下载 OSS 走公网卡到 0.3~0.7 MB/s，mezzanine 上传 104s + 成片上传 55s， 吃掉 160s+ 渲染耗时。 - oss_helpers 自己维护一套 bucket 实例，和 SharedStorageService 重复实现，且 normalize_storage_key 没做 URL decode（unquote），带编码字符的 key 签名出来 返回 403，触发 _verify_url_accessible 2 次重试延迟。 改造： 1. config/base.py 新增 oss_internal_endpoint 配置项 + effective_oss_internal_endpoint 属性：阿里云公网域名（oss-cn-<region>.aliyuncs.com）自动推导 -internal 内网 域名，显式配置可覆盖；非阿里云/MinIO 回退公网。 2. packages/shared/storage.py 维护两个 bucket： - self.bucket：internal endpoint（VPC 千兆带宽），SDK 上传/下载/删除/exists - self.public_bucket：public endpoint，仅用于 sign_url 生成公网可访问 URL public_url 永远拼公网域名，对外不可感知。 3. apps/worker/video_processing/oss_helpers.py 收敛为 SharedStorageService 的 薄 wrapper（-226 行），保留所有旧函数签名兼容现有调用： - oss_bucket() 返回 internal bucket - upload_to_oss/download_asset/delete_from_oss 转发到 storage 走 internal - get_signed_download_url 转发到 storage.get_download_url 用 public_bucket 签名 - resolve_asset_path 转发到 storage 统一逻辑 4. normalize_storage_key 统一 unquote，修复签名 403。 5. config/api_settings.py 增加 OSS_INTERNAL_ENDPOINT 属性方便诊断。 预期效果： - OSS 上传/下载从 0.3~0.7 MB/s → VPC 千兆（~100 MB/s），两段上传 160s 压到 <3s - 签名 URL 不再 403，_verify_url_accessible 首试即过，不再重试 - 整体渲染耗时目标 <30s（GPU 编码链路 ~10s + OSS 传输 <5s + 合成/封面 <15s） - 前端/P4000/MediaKit 外网访问 OSS 完全不变（public_url 仍是公网域名）