Prometheus exporter for Dremio metrics

This runs a prometheus endpoint which publishes all dremio metrics to Prometheus

Build

1. change parent pom version in pom.xml to your dremio version (see https://github.com/dremio/dremio-oss to find the correct version)
2. mvn clean install
3. move dremio-telemetry-prometheus-{version}-shaded.jar to the jars directory in your dremio installation
4. restart dremio

configuration

The file dremio-telemetry.yaml must exist on the classpath for your dremio installation and must contain the following

metrics:
  - name: prometheus_reporter
    comment: >
      Publish metrics on prometheus
    reporter:
    type: prometheus
    port: 12543

An example has been provided in the root of this repo