Bridger is a Meshtastic MQTT to InfluxDB metrics bridge. It listens to MQTT for protobuf messages and uses those to push metrics to InfluxDB.

Usage

You will need InfluxDB and a MQTT broker running or available already.

Copy the the .env.default file to .env and view for the environment variables that can be set. The following are required:

• MQTT_TOPIC
• MQTT_BROKER
• MQTT_USER
• MQTT_PASS
• INFLUXDB_V2_BUCKET
• INFLUXDB_V2_ORG
• INFLUXDB_V2_TOKEN
• INFLUXDB_V2_URL

There are some other tunables as well:

• INFLUXDB_V2_WRITE_PRECISION
• MESHTASTIC_API_CACHE_TTL: The time to cache the Meshtastic API data. Defaults to 6 hours.
• MESHTASTIC_KEY: The base64 encoded encryption key for the primary channel. Defaults to the the key provided by AQ==
• MQTT_TEST_CHANNEL
• MQTT_TEST_CHANNEL_ID
• DISCORD_BOT_TOKEN
• DISCORD_BOT_OWNER_ID
• BRIDGER_ADMIN_ROLE
• EMQX_API_KEY
• EMQX_SECRET_KEY
• EMQX_URL
• LOG_PATH: Set this to a file path to log to a file. Defaults to logs/bridger.log

Then install the required packages in a Python virtual environment:

pip install -r requirements.txt

And run the script:

python -m bridger

Node Setup

To get your Meshtastic node to send metrics to the MQTT broker you will need to set the following settings:

MQTT Module:

• Enabled: Checked
• MQTT Server Address: mqtt.austinmesh.org
• MQTT Username: <created_per_user>
• MQTT Password: <created_per_user>
• Encryption Enabled: Unchecked
• JSON Enabled: Unchecked
• TLS Enabled: Unchecked
• Root topic: egr/home

Primary Channel:

• Uplink Enabled: Checked