Introduction

This repository demonstrates how to retrieve metrics from the loved Api Gateway (Kong) using the default Grafana Dashboards.

On a daily basis, this is useful for capturing real-time data in your production environment.

How to run tests?

A number of containers will be running concurrently:

• Kong
• Prometheus
• Grafana
• Nginx (local server)
• Traefik Whoami (used for upstream metric generation)
• Seed (used to produce metrics by making queries)

docker compose up -d

Kong

Kong runs in DBLess mode, and all functionalities are described in kong.yml.

• Hello Route: http://localhost:8000
• Whoami Route: http://localhost:8000/whoami
• Coins Route: http://localhost:8000/coins
• Money Route: http://localhost:8000/money
• Kong Admin url: http://localhost:8001
• Metrics url used by Prometheus: http://localhost:8100/metrics
• Grafana url: http://localhost:9091

Prometheus

Prometheus is in charge of scraping metrics from Kong every specified number of seconds, checkout file prometheus.yml

• Prometheus url: http://localhost:9090

Grafana

Grafana is in charge of converting data sources metrics (prometheus, statsd, and others) into stunning Dashboards and Alerts, such as this:

How run seeds ?

# if you want to send more requests:
docker compose run --rm seed --env REQUESTS=11

Importing Kong Official Dash.

You should import kong_official.json on Dashboard > Manager > Import.

References:

• Kong Grafana Dashboard
• Kong Prometheus Plugin

Grafana

Default and secure credentials 🤣:

• admin/admin