ci.yaml

# Ref: https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions
name: ci

on:
  workflow_dispatch:
  
  pull_request:
    branches:
      - 'main'

    paths:
      - charts/** 
      - .github/workflows/publish.yaml

jobs:
  ci:
    runs-on: ubuntu-22.04

    strategy:
      matrix:
        # The following strategy matrix is for Minikube.
        # Ref: https://kubernetes.io/releases/
        k8s: [ "1.32.1" ]

    permissions:
      contents: read  # Required to read repo contents
      packages: write # Required to push to GHCR

    steps:
      - name: Preamble
        run: |
          whoami
          echo github ref $GITHUB_REF
          echo workflow $GITHUB_WORKFLOW
          echo home $HOME
          echo event name $GITHUB_EVENT_NAME
          echo workspace $GITHUB_WORKSPACE

          df -h

      # Ref: https://github.com/actions/checkout
      - name: Checkout Source
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      # Ref: https://github.com/helm/chart-testing-action
      - name: Install chart-testing
        uses: helm/chart-testing-action@v2.7.0

      # Ref: https://github.com/helm/chart-testing-action
      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed --config ct.yaml)
          if [[ -n "$changed" ]]; then
            echo "::set-output name=changed::true"
          fi

      - name: Run chart-testing (lint)
        run: ct lint --config ct.yaml

      # Ref: https://github.com/manusa/actions-setup-minikube
      - name: Install Minikube
        if: steps.list-changed.outputs.changed == 'true'
        uses: manusa/actions-setup-minikube@v2.13.1
        with:
          driver: docker
          container runtime: docker
          minikube version: 'v1.35.0'
          kubernetes version: ${{ matrix.k8s }}
          start args: "--addons registry --memory 2048 --cpus 2"
          github token: ${{ secrets.GHCR_TOKEN }}

      # Ref: https://artifacthub.io/packages/helm/cert-manager/cert-manager
      - name: Install cert-manager
        if: steps.list-changed.outputs.changed == 'true'
        run: |
          helm install cert-manager jetstack/cert-manager --namespace cert-manager --create-namespace --set crds.enabled=true

      # Ref: https://github.com/helm/chart-testing/blob/main/doc/ct_install.md
      - name: Run chart-testing (install)
        if: steps.list-changed.outputs.changed == 'true'
        run: ct install --config ct.yaml --debug