chart-ci.yaml

name: Chart CI

on:
  push:
    branches:
      - "dev"
      - "main"

jobs: 
  lint-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Helm
        uses: azure/setup-helm@v4.2.0
        with:
          version: v3.14.4

      - name: Add Helm repositories
        run: |
          helm repo add bitnami https://charts.bitnami.com/bitnami

      - name: Setup Helm plugins
        run: |
          helm plugin install https://github.com/jtyr/kubeconform-helm

      - name: Setup Polaris
        run: |
          mkdir -p .local/bin
          curl -s https://api.github.com/repos/FairwindsOps/polaris/releases/latest | \
            jq '.assets[] | select(.name=="polaris_linux_amd64.tar.gz")'.browser_download_url | \
            xargs curl -s -L | \
          tar xvz -C .local/bin polaris
          echo "$PWD/.local/bin" >> $GITHUB_PATH

      - uses: actions/setup-python@v5
        with:
          python-version: '3.x'
          check-latest: true

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.6.1

      - name: Run chart-testing (list-changed)
        id: list-changed
        run: |
          changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
          if [[ -n "$changed" ]]; then
            echo "changed=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Run chart-testing (lint)
        if: steps.list-changed.outputs.changed == 'true'
        run: |
          ct lint --target-branch ${{ github.event.repository.default_branch }}

      - name: Run chart-testing (kubeconform)
        if: steps.list-changed.outputs.changed == 'true'
        run: |
          helm kubeconform ./charts/redcap --output json --kubernetes-version "1.24.0" --strict --summary

      - name: Run chart-testing (polaris)
        if: steps.list-changed.outputs.changed == 'true'
        run: |
          polaris audit \
            --only-show-failed-tests \
            --set-exit-code-below-score=80 \
            --set-exit-code-on-danger=true \
            --helm-chart ./charts/redcap \
            --helm-values ./charts/redcap/tests/values.yaml \
            --format=pretty \
            --color=true

      - name: Create kind cluster
        if: steps.list-changed.outputs.changed == 'true'
        uses: helm/kind-action@v1.10.0

      - name: Run chart-testing (install)
        if: steps.list-changed.outputs.changed == 'true'
        run: ct install --target-branch ${{ github.event.repository.default_branch }}
      
  generate-doc-schema:
    needs: lint-test
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Cache chart dir
      id: cache-dir
      uses: actions/cache@v4
      with:
        path: charts
        key: ${{ github.sha }}-redcap-chart

    - name: Helm-docs
      uses: losisin/helm-docs-github-action@v1.3.3
      with:
        chart-search-root: ./charts/redcap
        values-file : ./values.yaml
        output-file: ./README.md
        template-files: ./README.md.gotpl
        sort-values-order: file

    - name: Generate values schema json
      uses: losisin/helm-values-schema-json-action@v1.5.3
      with:
        input: ./charts/redcap/values.yaml
        output: ./charts/redcap/values.schema.json


  release:
    needs: generate-doc-schema
    permissions:
      contents: write
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Cache chart dir
        id: cache-dir
        uses: actions/cache@v4
        with:
          path: charts
          key: ${{ github.sha }}-redcap-chart

      - name: Configure Git
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"

      - name: Install Helm
        uses: azure/setup-helm@v4
        env:
          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
          
      - name: Add Helm repositories
        run: |
          helm repo add bitnami https://charts.bitnami.com/bitnami
        
      ### DEV specific steps ###
      - name: Add release suffix - DEV
        if: github.ref == 'refs/heads/dev'
        run: |
          yq -i '.version |= . + "-dev"' charts/redcap/Chart.yaml
  
      - name: Run chart-releaser - DEV
        if: github.ref == 'refs/heads/dev'
        uses: helm/chart-releaser-action@v1.6.0
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
        with:
          skip_existing: true
          mark_as_latest: false
        
      ### PROD specific steps ###
      - name: Run chart-releaser - MAIN
        if: github.ref == 'refs/heads/main'
        uses: helm/chart-releaser-action@v1.6.0
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
        with:
          skip_existing: true
          mark_as_latest: true