fix(ai-avatar): 修复智能封面502 - cover_service视频URL重签+轮询扩容+连接池+路由异常兜底 #1843
1 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 saas-backend
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2a6da04685 |
fix(ai-avatar): 修复智能封面502 - cover_service视频URL重签+轮询扩容+连接池+路由异常兜底
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根因: smart-cover接口传入的video_url为upload_file()返回的裸public_url， OSS桶为私有桶，MediaKit GPU worker拉取时返回403 Forbidden。 修复内容: 1. cover_service新增_sign_video_url_for_mediakit()，对自家OSS URL重签7天有效期 2. 增大MediaKit抽帧轮询参数(poll_interval=3.0, max_poll_attempts=20, max_retries=1) 3. 帧下载改用httpx.Client连接池复用TCP连接，减少延迟 4. smart-cover路由增加try/except异常捕获，防止未捕获异常导致502 测试: 新增3个测试(URL重签/外部URL跳过/轮询参数验证)，全部15个测试通过 Closes #1840 |