OctoPrint-Enclosure-Relay-MQTT-Integration

Easy script to make a possibility to Turn ON and OFF Relays added in OctoPrint Enclosure Plugin with MQTT. Can be easliy used with gbridge.io and then with Google Home Assistant.

Instalation

0. Install paho-mqtt library.

sudo apt-get install python-pip
pip install paho-mqtt

1. Download mqtt_enclosure_plugin.py to your /home/pi/ folder.
2. Change Config parameters to your variables.

out_1,out_2 - id of relays can be found in settings of enclosure plugin in octoprint
op_api - api of octoprint 
op_ip - ip of octoprint
broker_ip, broker_port, broker_timeout - information of your MQTT broker eg. Mosquitto
topic_sub - main topic to subscribe
topic_out1, topic_out2 - topics for your relays

3. Change perrmision sudo chmod +x mqtt_enclosure_plugin.py
4. Run in background nohup /home/pi/mqtt_enclosure_plugin.py &

If you want to use it with gbridge.io and Google Home:

0. Create account on: http://gbridge.io

1. Install Mosquito newest version on your RPI: https://theembeddedlab.com/tutorials/install-mosquitto-on-a-raspberry-pi/

2. Edit sudo nano /etc/mosquitto/mosquitto.conf adding at the end (of course replacing {} with your data):

connection gbridge-io
address mqtt.gbridge.io:8883
bridge_attempt_unsubscribe true
bridge_protocol_version mqttv311
cleansession true
remote_username {gbridge-mqtt-username}
remote_password {gbridge-mqtt-password}
remote_clientid gbridge-u{userid}-{randomstring}
topic gBridge/u{uid}/octopi/+ both 0 "" ""
bridge_capath /etc/ssl/certs/
bridge_tls_version tlsv1.2

3. Restart broker sudo /etc/init.d/mosquitto restart
4. Add Device on: https://gbridge.kappelt.net/device

Device type: Outlet
Traits: On and Off
Action Topic: gBridge/u{uid}/octopi/printer
Status Topic: gBridge/u{uid}/octopi/printer

4. Add and autorize Kabbelt gBridge account in Google Home Assistant.