This is a simple client that connects to a MQTT broker and publishes basic system information to a topic. It can also be used to control the system's power state (suspend, shutdown) via MQTT.

The tool was written with the intention to be used with Home Assistant and it will publish the necessary metadata to be used with the MQTT Discovery feature.

This is a list of the sensors that are currently implemented:

Publishes the current CPU temperature as reported by the sensors command. The sensor to use needs to be specified in the configuration file as chip:feature:subfeature (e.g. coretemp-isa-0000:Core 0:Tdie). You can reference the output of the example code from pysensors (linked here) to find the correct values.

Publishes the current CPU usage as reported by the psutil library.

Publishes the idle time of the X server as reported by the xprintidle command, in seconds.

Publishes the active window of the X server as well as the process that owns it.

The possibility to suspend or power off the system is provided by a command topic. The actions are also exposed as button entities in Home Assistant.

Much of the code was written with the help of GitHub Copilot within a single day, so it's not perfect.