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Prometheus Remote Write Exporter Example

This example uses Docker Compose to set up:

  1. A Python program that creates 5 instruments with 5 unique aggregators and a randomized load generator
  2. An instance of Cortex to recieve the metrics data
  3. An instance of Grafana to visualizse the exported data

Requirements

Users do not need to install Python as the app will be run in the Docker Container

Instructions

  1. Run docker-compose up -d in the the examples/ directory

The -d flag causes all services to run in detached mode and frees up your terminal session. This also causes no logs to show up. Users can attach themselves to the service's logs manually using docker logs ${CONTAINER_ID} --follow

  1. Log into the Grafana instance at http://localhost:3000

    • login credentials are username: admin and password: admin
    • There may be an additional screen on setting a new password. This can be skipped and is optional

  2. Navigate to the Data Sources page

    • Look for a gear icon on the left sidebar and select Data Sources

  3. Add a new Prometheus Data Source

    • Use http://cortex:9009/api/prom as the URL
    • (OPTIONAl) set the scrape interval to 2s to make updates appear quickly
    • click Save & Test

  4. Go to Metrics Explore to query metrics

    • Look for a compass icon on the left sidebar
    • click Metrics for a dropdown list of all the available metrics
    • (OPTIONAL) Adjust time range by clicking the Last 6 hours button on the upper right side of the graph
    • (OPTIONAL) Set up auto-refresh by selecting an option under the dropdown next to the refresh button on the upper right side of the graph
    • Click the refresh button and data should show up on hte graph

  5. Shutdown the services when finished

    • Run docker-compose down in the examples directory