Files
vf-cuda-grid/controller/cuda_grid_controller
gx 155038aabb controller: stream watchdog (Phase 1 resilience, issue #3)
StreamWatchdog (watchdog.py) — polls mediamtx /v3/paths/list каждые N sec.
Если ожидаемый path missing > threshold → emit MQTT event stream_lost +
показывает text overlay 'OFFLINE'. При восстановлении — stream_restored +
remove overlay.

Config:
  watchdog:
    enabled: true
    mediamtx_api_url: http://cuda-grid-mediamtx:9997
    poll_interval_sec: 5.0
    lost_threshold_sec: 15.0
    paths:
      - mediamtx_path: live-audio
        instance: tv_grid
        label: Audio
        overlay_when_lost: true

httpx добавлен в Dockerfile.

Сегодняшний incident (audio sidecar потерял connection с mediamtx →
pipeline restart loop) — watchdog обнаружит missing live-audio через
15 sec + покажет TV-side warning. Manual restart audio sidecar still
needed (watchdog auto-restart — Phase 2).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-05-21 10:07:12 +01:00
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