lint-test.yaml

## Reference: https://github.com/helm/chart-testing-action
## Reference: https://github.com/quintush/helm-unittest
name: Lint and Test Charts

on:
  pull_request:
    branches:
      - master
    types:
      - opened
      - edited
      - reopened
      - ready_for_review
      - synchronize
    paths:
      - "charts/**"

concurrency:
  group: ${{ github.head_ref }}-lint-test
  cancel-in-progress: true

permissions:
  contents: read

env:
  HELM_VERSION: 3.9.2 # Also update in release.yaml

jobs:
  lint-charts:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.list-changed.outputs.matrix }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v3
        with:
          version: ${{ env.HELM_VERSION }}

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: 3.9

      - name: 'Set up jq'
        uses: dcarbone/install-jq-action@v1.0.1

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.1.0

      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          set -o xtrace
          changed=$(ct list-changed --config ct.yaml)
          charts=$(echo "$changed" | tr '\n' ' ' | xargs)
          if [[ -n "$changed" ]]; then
            echo "changed=true" >> $GITHUB_OUTPUT
            echo "changed_charts=$charts" >> $GITHUB_OUTPUT
            echo "matrix=$(echo $charts | jq -R 'split(" ")' | jq '. | if index("charts/cf-common-test") then . else . += ["charts/cf-common-test"] end' | jq -c .)" >> $GITHUB_OUTPUT
            echo $matrix
          fi

      - name: Run chart-testing (lint)
        run: ct lint --config "ct.yaml" --lint-conf "lintconf.yaml" --debug --excluded-charts "cf-common-test"

      - name: Run docs-testing (helm-docs)
        id: helm-docs
        run: |
          ./scripts/helm-docs.sh
          if [[ $(git diff --stat) != '' ]]; then
            echo -e '\033[0;31mDocumentation outdated!\033[0m ❌ Run ./scripts/helm-docs.sh before commit!'
            git diff --color
            exit 1
          else
            echo -e '\033[0;32mDocumentation up to date\033[0m ✔'
          fi

      - name: Run templates version check
        id: tpl-versions
        run: |
          ./scripts/update-tpl-version.sh
          if [[ $(git diff --stat) != '' ]]; then
            echo -e '\033[0;31mNamed templates versions outdated!\033[0m ❌ Run ./scripts/update-tpl-version.sh before commit!'
            git diff --color
            exit 1
          else
            echo -e '\033[0;32mNamed templates versions up to date\033[0m ✔'
          fi

      - name: Create kind cluster
        uses: helm/kind-action@v1.5.0

      - name: Run chart-testing (install)
        run: |
          changed=$(ct list-changed --config "ct.yaml")
          if [[ "$changed" == "charts/cf-common" ]]; then
            # Do not run `ct install` for cf-common (library chart)
            exit 0
          fi
          helm repo add cf-common https://chartmuseum.codefresh.io/cf-common
          ct install --config "ct.yaml"

  unittest-charts:
    needs:
      - lint-charts
    runs-on: ubuntu-latest
    # There are no Unit Test suites in `charts/cf-common`. They are located in `charts/cf-common-test`. So `charts/cf-common` is excluded from this job.
    if: ${{ needs.lint-charts.outputs.matrix != '[]' && needs.lint-charts.outputs.matrix != '["charts/cf-common"]' }}
    strategy:
      matrix:
        chart: ${{ fromJSON(needs.lint-charts.outputs.matrix) }}
        exclude:
          - chart: charts/cf-common
      fail-fast: true
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v3
        with:
          version: ${{ env.HELM_VERSION }}

      - name: Run unit tests
        run: |
          echo ${{ matrix.chart }}
          helm plugin install https://github.com/quintush/helm-unittest --version v0.3.1
          helm dep update ${{ matrix.chart }}
          helm unittest --color --debug -f "tests/**/*_test.yaml" ${{ matrix.chart }}

  push-charts-dev-cm:
    needs:
      - lint-charts
      - unittest-charts
    runs-on: ubuntu-latest
    strategy:
      matrix:
        chart: ${{ fromJSON(needs.lint-charts.outputs.matrix) }}
      fail-fast: true
    steps:
    - name: Checkout
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Set up Helm
      uses: azure/setup-helm@v3
      with:
        version: v3.8.2

    - name: Set up yq
      uses: chrisdickinson/setup-yq@latest

    - name: Set short SHA
      run: echo "GITHUB_SHORT_SHA=`echo ${GITHUB_SHA} | cut -c1-8`" >> $GITHUB_ENV

    - name: Normalize git branch name
      id: git-branch-name
      uses: ohueter/normalize-git-branch-name@v1
      with:
        ref: ${{ github.ref }}
        head-ref: ${{ github.head_ref }}

    - name: Print normalized branch name and checksum
      run: |
        echo "Original branch name: ${{ steps.git-branch-name.outputs.original_name }}"
        echo "Normalized branch name: ${{ steps.git-branch-name.outputs.name }}"
        echo "SHA1 checksum of branch name: ${{ steps.git-branch-name.outputs.hash }}"
        echo "Short SHA1 checksum of branch name: ${{ steps.git-branch-name.outputs.short_hash }}"

    - name: Push Helm Chart to Dev OCI quay.io
      run: |
        set -o xtrace
        CHART_NAME=$(yq read ${{ matrix.chart }}/Chart.yaml name)
        CHART_VERSION=$(yq read ${{ matrix.chart }}/Chart.yaml version)

        helm registry login quay.io -u ${{ secrets.QUAY_USERNAME }} -p ${{ secrets.QUAY_PASSWORD }}
        helm dependency update ${{ matrix.chart }}
        helm package ${{ matrix.chart }} --version $CHART_VERSION

        helm push $CHART_NAME-$CHART_VERSION.tgz oci://quay.io/codefresh/charts/dev