Simple service to update a prometheus service discovery file for nomad server and client nodes.

Run the below command and view the results of nomad-nodes.yaml in the current directory.

docker run -it \
	-e NOMAD_API_URL="http://127.0.0.1:4646" \
	-e OUTPUT_FILE_PATH="/tmp/nomad-nodes.yaml" \
	-v "$(pwd):/tmp" \
	chrispruitt/nomad-node-sd

Example prometheus scrape configs (assuming you are writing running the service above to write to /etc/prometheus/sd-configs/nomad-nodes.yaml)

scrape_configs:
  - job_name: 'nomad'
    metrics_path: /v1/metrics
    params:
      format: ['prometheus']
    file_sd_configs:
      - files:
        - '/etc/prometheus/sd-configs/nomad-nodes.yaml'
        refresh_interval: 5m