Integrating Prometheus and Home Assistant
summary
Home Assistant exposes metrics that Prometheus scrapes directly so a local Prometheus collects temperature, humidity and luminance without extra exporters, stored for ~100 GB retention. Queries compute 16‑week maxima (observed 34–37 °C on the balcony) and rules detect sensors unavailable for 6 hours. An Alertmanager→Home Assistant webhook forwards Alertmanager JSON to Home Assistant and sends native Android/iOS notifications; the quick webhook bridge is written in under an hour and noticeably reduces flaky app alerts. Prometheus exporter built into Home Assistant Alertmanager → Home Assistant webhook
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chapters (5)
- 0:00Smart home setup
- 1:32Prometheus integration
- 2:50Analyzing sensor data
- 3:53Creating alerting rules
- 4:35Notification automation
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