Exported glucose measurements from your freestyle libre in your monitoring setup

Notes

[!CAUTION] Im pretty sure this is not official, so i wont take any warrenty of anything. This is experimental and just a fun project. Use at your own risk.

Usage

Prepare

Even if you run the Libre app on your phone, you also have to install the LibreLinkUp app. This is the app for family or friends to receive glucose values. This is how this software gets its data from. It fetches it from that api.

1. So install the app and create an account
2. Link it to the Libre app

Running the exporter

The easiest way to install and running the exporter is through docker. Please check the release page for the latest release.

Configuration

Environment variable	Description
EMAIL	Email login data for LibreLinkUp
PASSWORD	LibreLinkUp password. Consider using PASSWORD_FILE
PASSWORD_FILE	File with the account password in it. Nice to use in combination with docker compose secrets
CACHE_DIR	Where to store cache data. Defaults to /var/cache/glucose_exporter
DEBUG	Enabling debug logging

Exported metrics

Metrics	Description
value_in_mg_per_dl	The glucose level itself
trend_arrow	A integer representing the glucose trend

Trend interpretation

Trend	Meaning
1	⬇️
2	↘️
3	➡️
4	↗️
5	⬆️

Thanks

• https://github.com/FokkeZB/libreview-unofficial
• https://gist.github.com/khskekec/6c13ba01b10d3018d816706a32ae8ab2
• https://libreview-unofficial.stoplight.io