A Dockerized Relay for Meshtastic and Matrix featuring an Integrated Virtual Meshtastic Node communicating via MQTT
This project utilizes a virtual node built using Meshtastic firmware. It emulates the capabilities of a physical device, facilitating direct communication with a conventional mesh network through the firmware's built-in MQTT functionality.
The relay operations are provided by the Meshtastic <=> Matrix Relay project.
Discover more about Meshtastic on their official site: https://meshtastic.org.
This project consists of two containers mmrealynode-app and mmrelaynode-device. Start by copying docker-compose-sample.yaml to docker-compose.yaml and tailor it to your needs.
For container setup:
git clone https://github.com/mate-dev/mmrelaynode.git
cd mmrelaynode && git submodule update --init
docker compose -f "docker-compose.yaml" up -d --build
docker compose restart
Important: Restart the containers after the initial launch. This reboot enables the virtual Meshtastic node to apply the changes from the MESHTATIC_COMMAND_X: commands after being executed by the script.
To view outputs from command_wrapper.py & MESHTASTIC_COMMAND_X commands:
docker exec -it mmrelaynode-app cat /home/mesh/app/command_output.txt
These commands are executed only upon the first launch of the container. To re-execute, remove the flag file and restart the container.
To remove the flag file:
docker exec -it mmrelaynode-app rm /home/mesh/app/.commands_executed
For script modifications and rebuilding containers from scratch, use:
docker compose down --volumes
docker compose build --no-cache
docker compose up -d --force-recreate
A Python script in the app container can sometimes hang due to a connection problem with the device container, halting its operation. Therefore, it's worth adding a health check that monitors the app container logs and restarts the container if an error is detected.
The simplest way to perform the check is to use cron, which will check the logs every minute. To do this, we go into edit mode with crontab -e and add the path to the healthcheck.sh file (remember to leave the last line empty).
user@server$ crontab -e
# m h dom mon dow command
* * * * * /bin/bash /path/to/file/mmrelaynode/healthcheck.sh
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