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.github	5e8cb7a57e pipeline: run apt-get as root	3 years ago
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systemctl-mqtt

MQTT client triggering shutdown on systemd-based systems

Setup

$ pip3 install --user --upgrade systemctl-mqtt
$ systemctl-mqtt --mqtt-host HOSTNAME_OR_IP_ADDRESS

On debian-based systems, dependencies can optionally be installed via:

$ sudo apt-get install --no-install-recommends python3-dbus python3-paho-mqtt

Schedule poweroff by sending a MQTT message to topic systemctl/hostname/poweroff.

$ mosquitto_pub -h MQTT_BROKER -t systemctl/hostname/poweroff -n

Home Assistant 🏡

Sample Setup

# https://www.home-assistant.io/docs/mqtt/broker/#configuration-variables
mqtt:
  broker: BROKER_HOSTNAME_OR_IP_ADDRESS
  # credentials, additional options…

script:
  poweroff_raspberry_pi:
    sequence:
      service: mqtt.publish
      data:
        topic: systemctl/raspberrypi/poweroff

homeassistant:
  customize:
    script.poweroff_raspberry_pi:
      friendly_name: poweroff pi
      icon: mdi:power

Docker 🐳

Clone this repository.
Edit docker-compose.yml.
docker-compose up --build

MQTT Authentication

systemctl-mqtt --mqtt-username me --mqtt-password secret …
# or
systemctl-mqtt --mqtt-username me --mqtt-password-file /var/lib/secrets/mqtt/password …

README.md