60 lines
1.9 KiB
Markdown
60 lines
1.9 KiB
Markdown
# onstar2mqtt
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A service that utilizes the [OnStarJS](https://github.com/samrum/OnStarJS) library to expose OnStar data to MQTT topics. Mostly focused around EVs, however happy to accept PRs for other vehicle types.
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There is no official relationship with GM, Chevrolet nor OnStar. In fact, it would be nice if they'd even respond to development requests, so we wouldn't have to reverse engineer their API.
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## Running
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Collect the following information:
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1. [Generate](https://www.uuidgenerator.net/version4) a v4 uuid for the device ID
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1. OnStar login: username, password, PIN
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1. Your car's VIN. Easily found in the monthly OnStar diagnostic emails.
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1. MQTT server information: hostname, username, password
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1. If using TLS, define `MQTT_PORT` and `MQTT_TLS=true`
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Supply these values to the ENV vars below.
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### Docker
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```shell
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docker run \
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--env ONSTAR_DEVICEID= \
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--env ONSTAR_VIN= \
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--env ONSTAR_USERNAME= \
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--env ONSTAR_PASSWORD= \
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--env ONSTAR_PIN= \
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--env MQTT_HOST= \
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--env MQTT_USERNAME \
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--env MQTT_PASSWORD \
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michaelwoods/onstar2mqtt:latest
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```
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### docker-compose
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```yaml
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onstar2mqtt:
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container_name: onstar2mqtt
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image: michaelwoods/onstar2mqtt
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restart: unless-stopped
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env_file:
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- /srv/containers/secrets/onstar2mqtt.env
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environment:
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- ONSTAR_DEVICEID=
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- ONSTAR_VIN=
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- MQTT_HOST=
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```
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onstar2mqtt.env:
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```shell
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ONSTAR_USERNAME=
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ONSTAR_PASSWORD=
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ONSTAR_PIN=
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MQTT_USERNAME=
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MQTT_PASSWORD=
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```
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### Node.js
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It's a typical node.js application, define the same environment values as described in the docker sections and run with:
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`npm run start`. Currently only tested with Node.js 12.x.
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### Home Assistant configuration templates
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MQTT auto discovery is enabled, for further integrations see [HA-MQTT.md](HA-MQTT.md).
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## TODO
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1. Logging library
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1. Figure out metric->imperial unit handling
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1. Enable write actions to lock doors, flash lights, remote start, etc. |