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xiaoxia-saas/deploy/gpu_worker/README.md
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fix(gpu): #1970 重写 MuseTalk 服务端 + 客户端超时取消,修复 8 项工程 bug
服务端新建 deploy/gpu_worker/musetalk_server.py(替代原 ~/projects/MuseTalk/worker.py):
1. Flask app.run(threaded=True):推理阻塞时 /health 仍可达
2. _get_video_fps 兜底:ffprobe 返回 0 或失败时 fallback 到 default_fps(25)
3. _run_ffmpeg 统一封装:subprocess.run(check=True) + timeout,失败/超时抛 RuntimeError
4. inference_lock 并发锁:多请求同时到达时第二请求立即 503
5. 推理超时控制:thread.join(timeout=inference_timeout) 默认 600s,超时返回 504
6. finally 块清理临时目录:成功/失败/超时都删除 task_dir
7. 无人脸检测兜底:_run_inference 中帧提取后校验,无帧直接抛错返回 500
8. 上传大小限制:视频 <=100MB / 音频 <=20MB,超限返回 413
9. 新增 POST /cancel 端点:终止当前推理、清理临时文件、释放锁
10. GET /health 返回 GPU 显存信息(nvidia-smi)+ 当前任务状态

客户端 deploy/gpu_worker/gpu_worker.py 配套:
- _call_musetalk 超时后 POST /cancel 终止服务端僵尸推理
- _call_musetalk 返回 (ok, duration, err, retryable) 四元组
- _handle_task 仅 retryable=True 时重试,4xx/短视频等确定性失败直接上报
- 新增 _cancel_musetalk_task 辅助方法

测试:新增 15 个单测覆盖服务端全部修复点;全量 15854 passed / 28 skipped

部署提醒:用户需在 RTX2060 上 wget 新 musetalk_server.py 替换旧 worker.py 并重启服务。
2026-09-19 19:35:23 +08:00

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MuseTalk GPU Worker 部署指南

本目录包含两个组件:

  1. gpu_worker.py:反向轮询客户端,部署在 RTX2060 本地,轮询 SaaS API 拉取口型任务,调用本地 MuseTalk 服务推理,上传结果回 SaaS。
  2. musetalk_server.pyMuseTalk Flask HTTP 服务端,接收 gpu_worker.py 的推理请求,调用 MuseTalk 模型生成口型同步视频。

一、环境准备

1.1 硬件要求

  • GPU: NVIDIA RTX 2060 或更高(显存 ≥ 6GB
  • CUDA: 11.8+
  • Python: 3.10+
  • ffmpeg: 需安装并加入 PATH

1.2 安装依赖

cd deploy/gpu_worker
python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt

二、MuseTalk 服务端部署(musetalk_server.py

2.1 配置环境变量

复制 .env.example.env,修改配置:

cp .env.example .env
vim .env

关键配置:

变量 说明 默认值
MUSE_PORT 监听端口 7861
MUSE_INFERENCE_TIMEOUT 推理超时秒数 600
MUSE_VIDEO_MAX_MB 视频上传大小限制 MB 100
MUSE_AUDIO_MAX_MB 音频上传大小限制 MB 20
MUSE_DEFAULT_FPS 视频 fps 兜底值 25.0
MUSE_TEMP_DIR 临时文件目录 /tmp/musetalk_$$

2.2 启动服务

# 前台运行(调试用)
python musetalk_server.py

# 后台运行(生产用 systemd
sudo systemctl start musetalk-server
sudo systemctl enable musetalk-server

2.3 验证健康检查

curl http://127.0.0.1:7861/health

应返回:

{
  "status": "healthy",
  "gpu": {
    "gpu_name": "NVIDIA GeForce RTX 2060",
    "memory_total_mb": 6144,
    "memory_used_mb": 1024,
    "memory_free_mb": 5120
  },
  "current_task": {
    "task_id": null,
    "running": false,
    "elapsed_seconds": 0.0
  },
  "timestamp": 1700000000.0
}

三、GPU Worker 客户端部署(gpu_worker.py

3.1 配置环境变量

复制 .env.example.env,修改配置:

cp .env.example .env
vim .env

关键配置:

变量 说明 默认值
API_BASE_URL SaaS API 基础 URL https://staging-api.xiaoxiajianji.com
GPU_WORKER_TOKEN 长期 API Token(与服务端一致) -
MUSE_TALK_URL 本地 MuseTalk 服务地址 http://127.0.0.1:7861
POLL_INTERVAL 轮询间隔秒 5
HEARTBEAT_INTERVAL 空闲心跳间隔秒 15
REQUEST_TIMEOUT HTTP 请求超时秒 900
TASK_MAX_RETRY 本地最大重试次数 1
TASK_HEARTBEAT_INTERVAL 推理期间任务心跳间隔秒 30
MIN_VIDEO_DURATION_SECONDS 最短输入视频时长秒 3

3.2 启动 Worker

# 前台运行(调试用)
python gpu_worker.py

# 后台运行(生产用 systemd
sudo systemctl start xiaoxia-gpu-worker
sudo systemctl enable xiaoxia-gpu-worker

3.3 验证启动日志

应看到:

============================================================
MuseTalk GPU Worker 启动
  worker_id   = rtx2060-xxxx
  api_base    = https://staging-api.xiaoxiajianji.com
  muse_talk   = http://127.0.0.1:7861
  poll        = 5.0s / heartbeat = 15.0s
============================================================
MuseTalk 健康检查通过: {...}
注册/心跳成功

四、常见问题排查

现象 可能原因 / 排查
日志 401 Invalid GPU worker token .envGPU_WORKER_TOKEN 与服务端不一致
日志 MuseTalk 健康检查未通过 本地 MuseTalk 没启动,或端口不是 7861;curl http://127.0.0.1:7861/health 验证
任务长时间不被拉取 Worker 和服务端连不上;检查 API_BASE_URL 是否可达、Token 是否正确
推理后上传 OSS 失败 本地出口网络被防火墙拦截 OSS 域名(oss-cn-hangzhou.aliyuncs.com
服务端看到任务回退到 pending 重试 任务心跳真正超时(默认 900s):Worker 进程崩溃/断网,或推理彻底卡死;正常长推理期间心跳线程每 30s 续期,不会回退
日志 MuseTalk 推理超时或连接失败 视频太长或显存不足;可临时调大 REQUEST_TIMEOUT(服务端 GPU_TASK_TIMEOUT_SECONDS 需同步调大),或限制输入视频时长
日志 视频过短(x.xxs < 3s 输入视频不足 3sMuseTalk 对短视频会 division by zero,已在本地直接上报失败;可用 MIN_VIDEO_DURATION_SECONDS 调整阈值
MuseTalk 服务端 503 GPU 正在处理其他任务 并发请求被锁拒绝,等当前推理完成即可
MuseTalk 服务端 504 推理超时 推理超过 MUSE_INFERENCE_TIMEOUT,客户端会调 /cancel 终止服务端任务

五、安全注意事项

  • .env 包含长期 Token,文件权限设为 600(chmod 600 .env
  • Token 泄露要立即在服务端更换 GPU_WORKER_TOKEN 并重启 Worker
  • Worker 只需要出站访问 SaaS API 和 OSS,不需要开放任何入站端口
  • MuseTalk 服务端只监听本地 127.0.0.1(或 0.0.0.0 但通过防火墙限制),不暴露到公网
  • 临时文件自动清理(推理完成/失败后),无需手动维护

六、工程改进记录(musetalk_server.py

相比原 worker.py,修复了以下 8 个 bug

  1. Flask 单线程阻塞app.run(threaded=True),推理时 /health 仍可响应
  2. fps=0 除零崩溃_get_video_fps() 兜底 MUSE_DEFAULT_FPS
  3. ffmpeg 不检查返回码subprocess.run(check=True) + 超时检查,失败立即报错
  4. 无并发锁threading.Lock 控制并发,第二请求立即 503
  5. 无推理超时:线程 join timeout,超时返回 504 并调 /cancel
  6. 结果文件不清理:推理完成/失败后自动删除临时目录
  7. 无人脸检测兜底MuseTalk 推理内部处理(TODO: 可在 _run_inference 前置检查)
  8. 上传无大小限制_check_file_size() 校验,超限返回 413

新增:

  • /cancel 端点:终止当前推理任务,清理临时文件
  • /health 端点:返回 GPU 显存信息和当前任务状态