OpenDTU logger adds detailed, long-term storage and visualisation of Hoymiles solar inverter metrics monitored with OpenDTU
| .gitea/workflows | ||
| docker | ||
| grafana | ||
| .gitignore | ||
| Dockerfile | ||
| go.mod | ||
| go.sum | ||
| main.go | ||
| README.md | ||
OpenDTU logger
OpenDTU logger connects to the OpenDTU livedata websocket and captures metrics. These metrics are inserted into a PostgreSQL database. Optionally, TimescaleDB can be used.
PostgreSQL setup
CREATE DATABASE opendtu_logger;
CREATE USER opendtu_logger WITH password 'SECRET';
GRANT ALL privileges ON DATABASE opendtu_logger TO opendtu_logger;
GRANT ALL ON SCHEMA public TO opendtu_logger;
Optional: enable TimescaleDB extension
\c opendtu_logger
CREATE EXTENSION OF NOT EXISTS timescaledb;
Environment variables
REMOTE_URL="opendtu:80"
DB_URL="host=localhost port=5432 user=postgres password=secret dbname=dtu sslmode=disable"
TIMESCALEDB_ENABLED="true"
TZ="Europe/Amsterdam"