name: Charts Tests

on:
  pull_request:
    paths:
      - library/**
      - '!library/common'
      - '!library/common-test'
      - .github/ct-install-config/**
      - '!.github/ct-install-config/common*'
      - .github/workflows/charts_test.yaml

jobs:
  lint:
    name: Lint Charts
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        helm-version:
          - v3.9.4
          - v3.10.3
          - v3.12.1
    steps:
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # tag=v4.1.1
        with:
          # Depth 0 is required for chart-testing to work properly
          fetch-depth: 0

      - name: Install Helm
        uses: azure/setup-helm@5119fcb9089d432beecbf79bb2c7915207344b78 # tag=v3
        with:
          version: ${{ matrix.helm-version }}

      - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # tag=v4
        with:
          python-version: "3.10"

      - name: Set up chart-testing
        uses: helm/chart-testing-action@b43128a8b25298e1e7b043b78ea6613844e079b1 # tag=v2.6.0

      - name: Run chart-testing (lint)
        id: lint
        run: |
          ct lint --config .github/ct-install-config/charts-ct-lint.yaml

  list-changed:
    needs:
      - lint
    name: List Changed Charts
    runs-on: ubuntu-22.04
    outputs:
      changed_json: ${{ steps.list-changed.outputs.changed_json }}
    steps:
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # tag=v4.1.1
        with:
          # Depth 0 is required for chart-testing to work properly
          fetch-depth: 0

      - name: Set up chart-testing
        uses: helm/chart-testing-action@b43128a8b25298e1e7b043b78ea6613844e079b1 # tag=v2.6.0

      - name: List Changed Charts
        id: list-changed
        shell: bash
        run: |
          changed_json=$(ct list-changed \
            --config .github/ct-install-config/charts-ct-install.yaml | \
            jq --raw-input '.' | jq --compact-output --slurp '.')

          echo "changed_json=$changed_json" >> $GITHUB_OUTPUT
          echo 'Detected changes in the following charts:'
          echo "$changed_json" | jq --raw-output '.[]'

  install:
    needs:
      - lint
      - list-changed
    name: Install Chart
    runs-on: ubuntu-22.04
    strategy:
      fail-fast: false
      matrix:
        chart: ${{ fromJson(needs.list-changed.outputs.changed_json) }}
        # We run tests on Helm version of latest SCALE release, SCALE nightly and manually defined "latest"
        helm-version:
          - v3.9.4
          - v3.12.1
        # We run tests on k3s version of latest SCALE release
        k3s-version:
          - v1.26.15+k3s1

    steps:
      - name: Checkout
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # tag=v4.1.1
        with:
          # Depth 0 is required for chart-testing to work properly
          fetch-depth: 0

      - name: Install Helm
        uses: azure/setup-helm@f382f75448129b3be48f8121b9857be18d815a82 # tag=v3
        with:
          version: ${{ matrix.helm-version }}

      - uses: actions/setup-python@65d7f2d534ac1bc67fcd62888c5f4f3d2cb2b236 # tag=v4
        with:
          python-version: "3.10"

      - name: Set up chart-testing
        uses: helm/chart-testing-action@b43128a8b25298e1e7b043b78ea6613844e079b1 # tag=v2.6.0

      - name: Create k3d cluster - Attempt 1/3
        continue-on-error: true
        id: createc1
        uses: nolar/setup-k3d-k3s@293b8e5822a20bc0d5bcdd4826f1a665e72aba96 # tag=v1.0.9
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          version: ${{ matrix.k3s-version }}
          # Flags found here https://github.com/k3d-io/k3d
          k3d-args: --k3s-arg --disable=metrics-server@server:*

      - name: Wait 10 second to retry
        if: steps.createc1.outcome=='failure'
        run: |
          sleep 10
      - name: Create k3d cluster - Attempt 2/3
        continue-on-error: true
        if: steps.createc1.outcome=='failure'
        id: createc2
        uses: nolar/setup-k3d-k3s@293b8e5822a20bc0d5bcdd4826f1a665e72aba96 # tag=v1.0.9
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          version: ${{ matrix.k3s-version }}
          # Flags found here https://github.com/k3d-io/k3d
          k3d-args: --k3s-arg --disable=metrics-server@server:*

      - name: Wait 10 second to retry
        if: steps.createc2.outcome=='failure'
        run: |
          sleep 10
      - name: Create k3d cluster - Attempt 3/3
        id: createc3
        if: steps.createc2.outcome=='failure'
        uses: nolar/setup-k3d-k3s@293b8e5822a20bc0d5bcdd4826f1a665e72aba96 # tag=v1.0.9
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          version: ${{ matrix.k3s-version }}
          # Flags found here https://github.com/k3d-io/k3d
          k3d-args: --k3s-arg --disable=metrics-server@server:*

      - name: Run chart-testing (install)
        shell: bash
        run: |
          ct install --config .github/ct-install-config/charts-ct-install.yaml --charts ${{ matrix.chart }}
