main.yml

name: CI

on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          submodules: recursive

      - uses: ruby/setup-ruby@v1
        with:
          ruby-version: "2.7"
          bundler-cache: true

      - uses: actions/setup-node@v2
        with:
          node-version: "14"
          cache: yarn
          cache-dependency-path: "**/yarn.lock"

      # Yarn dependencies
      - name: Yarn Install
        run: yarn install

      # Build
      - name: Set production DEPLOY_ENV
        if: github.ref == 'refs/heads/main'
        run: echo "DEPLOY_ENV=production" >> $GITHUB_ENV
      - name: Set staging DEPLOY_ENV
        if: github.ref != 'refs/heads/main'
        run: echo "DEPLOY_ENV=staging" >> $GITHUB_ENV
      - name: Build
        env:
          DOCS_API_KEY: ${{ secrets.DOCS_API_KEY }}
        run: bundle exec middleman build --clean --verbose --environment=${{ env.DEPLOY_ENV }}

      # Lint
      - name: Lint
        run: bundle exec rake lint

      # Artifact
      - uses: actions/upload-artifact@v1
        if: success() && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/staging')
        with:
          name: build
          path: ./build

      # Push production builds to "build-history" branch to maintain history of
      # built and deployed versions.
      - name: Commit Build History
        if: success() && github.ref == 'refs/heads/main'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: yarn run gh-pages --dist ./build/ --branch build-history --user "$GITHUB_ACTOR <$GITHUB_ACTOR@users.noreply.github.com>" --repo "https://${GITHUB_ACTOR}:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"

  deploy:
    if: success() && github.repository_owner == 'NREL' && (github.ref == 'refs/heads/main' || github.ref == 'refs/heads/staging')
    needs: build
    runs-on: ubuntu-latest
    container:
      image: rclone/rclone:1.57.0
    steps:
      # Deploy to S3 bucket.
      - uses: actions/download-artifact@v1
        with:
          name: build
          path: ./build
      - name: Set production S3_DEST
        if: github.ref == 'refs/heads/main'
        run: echo "S3_DEST=:s3,env_auth=true:${{ secrets.PRODUCTION_BUCKET_NAME }}/public/production/" >> $GITHUB_ENV
      - name: Set staging S3_DEST
        if: github.ref != 'refs/heads/main'
        run: echo "S3_DEST=:s3,env_auth=true:${{ secrets.STAGING_BUCKET_NAME }}/public/staging/" >> $GITHUB_ENV
      - name: Deploy
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          AWS_DEFAULT_REGION: ${{ secrets.AWS_DEFAULT_REGION }}
        run: |
          # Sync all cache-busted assets with long cache-control expirations.
          rclone \
            copy \
            --verbose \
            --checksum \
            --no-update-modtime \
            --s3-no-check-bucket \
            --s3-no-head \
            --header-upload "Cache-Control: public, max-age=31536000, immutable" \
            --include "/assets/**" \
            ./build/ \
            "$S3_DEST"
          # Sync the remaining files, disallowing caching on those.
          rclone \
            copy \
            --verbose \
            --checksum \
            --no-update-modtime \
            --s3-no-check-bucket \
            --s3-no-head \
            --header-upload "Cache-Control: no-cache, max-age=0, must-revalidate" \
            ./build/ \
            "$S3_DEST"
          # Run the sync one more time to delete old files. Keep old asset
          # files around, so that if old HTML pages continue to load for a few
          # minutes, they can still load older assets.
          rclone \
            sync \
            --verbose \
            --checksum \
            --no-update-modtime \
            --s3-no-check-bucket \
            --s3-no-head \
            --exclude "/assets/**" \
            ./build/ \
            "$S3_DEST"