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Central - data hub spine. Adapters -> NATS/JetStream -> archive.
- Python 90.5%
- HTML 9.1%
- PLpgSQL 0.4%
Adds the NASA Earth Observatory Natural Event Tracker (EONET v3) adapter, publishing on the existing CENTRAL_DISASTER stream under central.disaster.eonet.<category>.global subjects. - One Central event per EONET event id; geo = most-recent geometry point. - Composite dedup key (eonet:<id>:<latest_geometry_date_iso>) — timeline advance re-publishes, idle re-poll suppresses. - category_allowlist defaults to all 13 upstream categories; operator opts OUT per-category if GDACS overlap (wildfires/floods/severeStorms/volcanoes) produces unwanted dupes on gdacs.* subjects. - camelCase upstream IDs (seaLakeIce, dustHaze, etc.) mapped to lower_snake_case subject components by a single _subject_category helper. - Country resolves to literal 'global' (no reverse-geocode in v1). - Fall-off: missing-from-feed event emits central.disaster.eonet.<cat>.removed.global, subtype before 'removed' per §8 canonical pattern. Adapter ships disabled; operator enables via GUI. |
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| CHANGELOG.md | ||
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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.