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Central - data hub spine. Adapters -> NATS/JetStream -> archive.
- Python 89.1%
- HTML 9.3%
- CSS 1.3%
- PLpgSQL 0.3%
malice
1d5548c24cFirst official-state-DOT-API pattern landing. Two adapters in one PR: - itd_511 (event-class): polls Events (60s) + Advisories (300s) from https://511.idaho.gov/api/v2/get/{event,alerts}. Decodes EncodedPolyline to LineString via the polyline lib (bookend LineString or Point fallback); ITD Severity string mapped None->1 / Minor->2 / Major->3 with IsFullClosure=true forcing 3 regardless; RecurrenceSchedules / Restrictions / DetourPolyline pass through unmodified. Advisories ship as structural pass-through under data.advisory since the upstream /alerts endpoint currently returns []; per-record try/except keeps a surprise shape from sinking the cycle when ITD posts its first one. - itd_511_cameras (telemetry-class): polls Cameras (600s). One event per camera per UTC day; image URL passes straight through to <img src>. Region uniform US-ID with data.source_jurisdiction preserving the raw upstream Source field for the ~1.2% cross-DOT border-region mirrors (UDOT / ODOT / WYDOT / WSDOT / NDot / MTD / DriveBC / Lemhi County). Subject convention (v0.9.20 forward): central.traffic.<event_type>.us.id and central.traffic_cameras.us.id.<camera_id>. Castle Rock state_511_atis keeps its bare-state subject; consumers stay on central.traffic.> wildcards during the A/B comparison window. Retry predicate tightened from the Castle Rock / TomTom precedent: 5xx + connection / timeout retry; 4xx other than 429 skip-with-warn (don't burn quota on permanent errors); 429 honors Retry-After once then retries. API key (alias 'idaho_511') travels in the ?key= query string, so every error log path runs through self._redact() to scrub the URL. Both adapters ship disabled; operator enables via GUI after registering the API key with 'python -m set_api_key idaho_511'. Reuses existing CENTRAL_TRAFFIC and CENTRAL_TRAFFIC_CAMERAS streams -- no archive restart needed. Scope-cap exception: this PR is ~1.5k lines vs. the standard 500-line cap, authorized as a one-time exception for the first official-state-DOT-API pattern landing. Two adapters + their tests + real-API fixtures naturally exceed the v0.9.x adapter-cap budget. Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> |
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Central
Central is the data hub spine for the infrastructure. Adapters normalize upstream sources into a canonical event shape, publish CloudEvents to NATS/JetStream, and archive to TimescaleDB for historical query. Single-LXC deployment.
Status
Phase 0 — scaffold. Not yet operational.
Architecture
- Python 3.12 (uv-managed)
- NATS + JetStream for live event bus
- TimescaleDB + PostGIS for archive and geospatial query
- One supervisor process managing adapter lifecycle
- One archive consumer process persisting events to TimescaleDB
- Both processes systemd-managed
Testing
See docs/test-database.md for test database setup.
License
MIT. See LICENSE.