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kuberhealthy-grafana-demo

Configs to setup kuberhealthy with Grafana and Prometheus.

Prerequisites

Docker
kind (or other tool to run k8s locally e.g. K3s)
Helm (version 3.xx or higher)

How to Install

Add the helm repos

helm repo add kuberhealthy https://kuberhealthy.github.io/kuberhealthy/helm-repos
helm repo add grafana https://grafana.github.io/helm-charts
helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
helm repo update

Install Kuberhealthy

helm upgrade --install kuberhealthy --create-namespace -f kuberhealthy/values.yaml kuberhealthy/kuberhealthy -n kuberhealthy

By default there are only one check enabled (deployment check).

Install Prometheus

helm upgrade --install prometheus --create-namespace -f prometheus/values.yaml prometheus-community/prometheus -n prometheus

To check if prometheus is working and is getting the kuberhealthy metrics, make a port-forward:
kubectl port-forward svc/prometheus-server 8000:80 -n prometheus

If everything is working, you will see the target in http://localhost:8000/targets?search=kuberhealthy.

Install Grafana

helm upgrade --install grafana --create-namespace -f grafana/values.yaml grafana/grafana -n grafana

Accessing the Grafana Instance

To access the Grafana instance:

kubectl port-forward svc/grafana 3000:80 -n grafana

The user is admin and the password is $ecret. You can see the kuberhealthy dashboard at http://localhost:3000/d/kuberhealthy/kuberhealthy.

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kuberhealthy-grafana-demo's Issues

Create better visualization Dashboard

Enhanced the default Dashboard view

Document the custom check behavior

Create the pipeline to build and push the custom check image

name: ci

on:
  push:
    branches:
      - main

jobs:
  docker:
    runs-on: ubuntu-22.04
    steps:
      -
        name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      -
        name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      -
        name: Login to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      -
        name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: ./custom-check-demo/
          push: true
          tags: user/app:latest

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