chart-test.yml

name: Test Helm Chart

concurrency:
  group: ci-${{ github.run_id }}
  cancel-in-progress: true

on:
  push:
    branches:
      - main
      - v[0-9]+
      - v[0-9]+.[0-9]+
      - cryostat-v[0-9]+.[0-9]+

  pull_request:
    types:
      - opened
      - reopened
      - synchronize
      - labeled
      - unlabeled
    branches:
      - main
      - v[0-9]+
      - v[0-9]+.[0-9]+
      - cryostat-v[0-9]+.[0-9]+
      # TODO: Remove after approval
      - separate-db-storage

jobs:
  helm-test:
    runs-on: ubuntu-latest
    env:
      TARGET_BRANCH: ${{ github.event.pull_request.base.ref || github.ref_name }}
      TEST_NAMESPACE: helm-test
      WRAPPER_LOCATION: .github/helm
    strategy:
      matrix:
        # Supported strategies
        upgrade-strategy: ["reset-values", "reset-then-reuse-values"]
        upgrade-force: [true, false]
    steps:
      - name: Fail if safe-to-test label NOT applied
        if: ${{ github.event_name == 'pull_request' && !contains(github.event.pull_request.labels.*.name, 'safe-to-test') }}
        run: exit 1
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          version: v3.14.4
      - uses: actions/setup-python@v5
        with:
          python-version: "3.x"
          check-latest: true
      - uses: helm/chart-testing-action@v2.6.1
      - name: Set up Kind cluster
        uses: helm/kind-action@v1
        with:
          cluster_name: ci-${{ github.run_id }}
      - name: Wrap Helm in Wrapper Command
        run: |
          # FIXME: Remvove after https://github.com/helm/chart-testing/issues/525
          HELM_LOCATION="$(which helm)"
          HELM_NEW_LOCATION="$(dirname $HELM_LOCATION)/.helm"
          
          sudo mv "$HELM_LOCATION" "$HELM_NEW_LOCATION"
          chmod +x "$WRAPPER_LOCATION" && sudo mv "$WRAPPER_LOCATION" "$HELM_LOCATION"

          # Export env var
          echo "HELM_LOCATION=$HELM_NEW_LOCATION" >> $GITHUB_ENV
          echo "UPGRADE_STRATEGY_OVERWRITE=${{ matrix.upgrade-strategy }}" >> $GITHUB_ENV
          echo "UPGRADE_FORCE=${{ matrix.upgrade-force }}" >> $GITHUB_ENV
      - name: Install and test chart
        run: bash ct.bash --upgrade

  helm-unittest:
    runs-on: ubuntu-latest
    steps:
      - name: fail if safe-to-test label NOT applied
        if: ${{ github.event_name == 'pull_request' && !contains(github.event.pull_request.labels.*.name, 'safe-to-test') }}
        run: exit 1
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Set up Helm
        uses: azure/setup-helm@v4
        with:
          version: v3.14.4
      - name: Install unit test plugin
        run: helm plugin install https://github.com/helm-unittest/helm-unittest.git --version v0.5.1
      - name: Run Helm unit tests
        run: helm unittest --debug ./charts/cryostat