lint_test_charts.yaml

name: Lint and Test Charts

on: pull_request

jobs:
  codespell:
    name: Check spelling
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - uses: codespell-project/actions-codespell@master
        with:
          check_filenames: true
          check_hidden: true
          skip: ./.git
          ignore_words_list: enver,NotIn,aks

  lint-test:
    name: Lint and test charts
    runs-on: ubuntu-latest
    outputs:
      charts-changed: ${{ steps.changed.outputs.charts }}
      bundle-changed: ${{ steps.changed.outputs.bundle }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v5
      - uses: helm/chart-testing-action@v2.6.1
      - uses: azure/setup-helm@v4
        with:
          version: 'v3.0.0'

      - name: Set up helm-unittest
        run: helm plugin install https://github.com/helm-unittest/helm-unittest

      - name: Lint charts
        run: ct lint --config .github/ct-lint.yaml

      - name: Run unit tests
        run: |
          for chart in $(ct list-changed --config .github/ct-lint.yaml); do
            if [ -d "$chart/tests/" ]; then
              helm unittest $chart
            fi
          done

      - name: Check for changed installable charts
        id: changed
        run: |
          set -x
          charts=$(ct list-changed --config .github/ct-install.yaml)

          if [[ -n "$charts" ]]; then
            echo "::set-output name=charts::true"
          fi
          if [[ -n "$(echo -n "$charts" | grep charts/nri-bundle)" ]]; then
            echo "::set-output name=bundle::true"
          fi

  install-test:
    name: Test chart installability
    runs-on: ubuntu-latest
    if: ${{ needs.lint-test.outputs.charts-changed == 'true' }}
    needs: [ lint-test ]
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-python@v5
      - uses: helm/chart-testing-action@v2.6.1
      - uses: azure/setup-helm@v4
        with:
          version: 'v3.0.0'

      - name: Install Minikube
        uses: manusa/actions-setup-minikube@v2.11.0
        with:
          minikube version: v1.33.1
          kubernetes version: v1.28.11
          github token: ${{ secrets.GITHUB_TOKEN }}
          driver: docker
          start args: "--container-runtime=containerd"

      - name: Create certificate manager
        run: |
          helm repo add jetstack https://charts.jetstack.io
          kubectl create ns cert-manager
          helm install cert-manager jetstack/cert-manager \
            --namespace cert-manager \
            --set crds.enabled=true

      - name: Test install charts
        run: ct install --config .github/ct-install.yaml
      - name: Test upgrade charts
        run: ct install --config .github/ct-install.yaml --upgrade

  bundle-integrity:
    name: Test nri-bundle dependencies has the same version of the common-library
    runs-on: ubuntu-latest
    if: ${{ needs.lint-test.outputs.bundle-changed == 'true' }}
    needs: [ lint-test ]
    steps:
      - uses: actions/checkout@v4
      - uses: azure/setup-helm@v4
        with:
          version: 'v3.0.0'

      - name: Add helm repositories
        run: |
          yq '.chart-repos[]' .github/ct-lint.yaml | while read line; do
            repo_name=$(cut -d= -f1 <<<"$line");
            repo_url=$(cut -d= -f2- <<<"$line");
            helm repo add "$repo_name" "$repo_url";
          done

      - name: Build nri-bundle dependencies
        run: helm dependency update ./charts/nri-bundle

      - name: Decompress nri-bundle and all its dependencies recursively
        run: |
          while [ `find charts/nri-bundle -name \*.tgz -or -name \*.tar.gz | wc -l` -gt 0 ]; do
            find charts/nri-bundle -name \*.tgz -or -name \*.tar.gz | while read line; do
              echo "Decompressing $line..."
              tar xzf "$line" -C $(dirname "$line")
              echo "Removing $line..."
              rm "$line"
            done
          done

      - name: Find versions of the common library
        run: |
          (
            echo CHART NAME: common-library VERSION
            find charts/nri-bundle -name Chart.yaml | \
              xargs yq eval-all --no-doc '{ .name: (.dependencies | map(select(contains({"name": "common-library"}))) | .[].version ) }' | \
              tee versions.txt;
          ) | column -t -s:

          echo ""
          echo Versions of the common library detected:
          cut -d\  -f2 versions.txt | sort -u

          [ $(cut -d\  -f2 versions.txt | sort -u | wc -l) -eq 1 ] || exit 1

  bundle-dependencies-check:
    name: Test the bundle dependency conditions
    runs-on: ubuntu-latest
    if: ${{ needs.lint-test.outputs.bundle-changed == 'true' }}
    needs: [ lint-test ]
    steps:
      - uses: actions/checkout@v4
      - uses: azure/setup-helm@v4
        with:
          version: 'v3.0.0'

      - name: Add helm repositories
        run: |
          yq '.chart-repos[]' .github/ct-lint.yaml | while read line; do
            repo_name=$(cut -d= -f1 <<<"$line");
            repo_url=$(cut -d= -f2- <<<"$line");
            helm repo add "$repo_name" "$repo_url";
          done

      - name: Build nri-bundle dependencies
        run: helm dependency update ./charts/nri-bundle

      - name: Run dependencies check
        run: ./scripts/check-bundle-dependencies.sh