mqtt-prometheus-adapter

Adapter to subscribe to mqtt topics and log them into prometheus.

Configuration

In order to use the adapter, please update the config.yml:

• host: Server ip / url
• port: MQTT Port e.g. 1883
• topics: Export name of datapoints
  • path: Topic name e.g. sensors/temperature
  • conversion: optional if you need to extract values from a string
    • re_pattern: Regular Expressions filter pattern
    • exports: names of the datapoints as array
      • mapping: string to number mapping pairs‚
  • type: gauge (default), counter
  • filter: regular expressions filter pattern (only for counter)
• polling: Send payload to topics every n seconds
  • interval: Send interval in seconds
  • topics: Array of key-value pairs (- topic: payload)
• log_topic_updates: If true, print all data received on subscribed topics

How to compile

In some cases you might need to export a .docker precompiled image:

• Compile: sudo docker buildx build --platform linux/amd64/v2 --tag mqtt-prometheus-adapter .
• Save to file: sudo docker save -o mqtt-prometheus-adapter.docker mqtt-prometheus-adapter
• Edit read/write rights (optional): sudo chmod 777 mqtt-prometheus-adapter.docker

You can find more informations about compiling for different plattforms here.

Resources

• Build your Python image
• Prometheus-Client Python
• Paho MQTT Client