pr-deploy.yml

name: Pull Request CI

env:
  PATH_PREFIX: /docs/${{ github.ref }}
  GATSBY_DEFAULT_MAIN_URL: https://staging.k6.io
  GATSBY_DEFAULT_DOC_URL: https://mdr-ci.staging.k6.io/docs/${{ github.ref }}
  GATSBY_DEFAULT_BLOG_URL: https://k6.io/blog
  GATSBY_DEFAULT_APP_URL: https://app.staging.k6.io
  GATSBY_NEWSLETTER_FORM_URL: https://go2.grafana.com
  GATSBY_NEWSLETTER_FORM_MUNCHKIN_ID: 356-YFG-389
  GATSBY_NEWSLETTER_FORM_ID: 1420

on:
  pull_request:
    branches: main

jobs:
  lint:
    name: Lint code
    runs-on: ubuntu-latest
    steps:
      - name: Checkout project
        uses: actions/checkout@v4
      - name: Use Node.js 20.xs
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          registry-url: 'https://registry.npmjs.org'
          cache: 'npm'
      - name: Restore cache
        uses: actions/cache@v4
        with:
          path: '**/node_modules'
          key: ${{ runner.os }}-modules-${{ hashFiles('**/package-lock.json') }}
      - name: Install dependencies
        run: npm install
      - name: Check formatting
        run: |
          npm run format
      - name: Lint code
        run: |
          npm run lint
      - name: Lint code examples
        run: |
          npm run lint:examples
  lint-prose:
    name: Lint prose
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: errata-ai/vale-action@reviewdog
        env:
          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
        with:
          files: ./src/data/markdown
          version: 2.17.0
          fail_on_error: true
          vale_flags: '--glob=**/{docs,translated-guides/en}/**/*.md'
  build:
    name: Build and deploy pull request
    runs-on: ubuntu-latest
    needs: lint
    steps:
      - uses: actions/checkout@v4

      - name: Print build settings
        run: |
          echo "PATH_PREFIX: $PATH_PREFIX"
          echo "GATSBY_DEFAULT_MAIN_URL: $GATSBY_DEFAULT_MAIN_URL"
          echo "GATSBY_DEFAULT_DOC_URL: $GATSBY_DEFAULT_DOC_URL"
          echo "GATSBY_DEFAULT_BLOG_URL: $GATSBY_DEFAULT_BLOG_URL"
          echo "GATSBY_DEFAULT_APP_URL: $GATSBY_DEFAULT_APP_URL"

      - name: Use Node.js 20.xs
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          registry-url: 'https://registry.npmjs.org'
          cache: 'npm'

      - name: Restore node_modules cache
        uses: actions/cache@v4
        with:
          path: '**/node_modules'
          key: ${{ runner.os }}-modules-${{ hashFiles('**/package-lock.json') }}

      - name: Install
        run: npm install

      - name: Restore build cache
        uses: actions/cache@v4
        with:
          # Gatsby requires both .cache and public. It will refuse to use .cache/ if public/ is not present.
          path: |
            .cache
            public
          # Cache will not be used by Gatsby if the following files change:
          # https://www.gatsbyjs.com/docs/build-caching/
          key:  pr-gatsby-${{ hashFiles('package.json', 'gatsby-config.js', 'gatsby-node.js') }}-${{ github.ref }}
          restore-keys: |
            pr-gatsby-${{ hashFiles('package.json', 'gatsby-config.js', 'gatsby-node.js') }}-

      - name: Build
        run: npm run build

      - name: Sync to S3
        id: upload
        # Run only if PR does not come from a fork and it is not from dependabot.
        if: github.event.pull_request.head.repo.full_name == github.repository && github.actor != 'dependabot[bot]'
        uses: jakejarvis/s3-sync-action@v0.5.1
        with:
          args: --delete
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.PR_CI_AWS_ACCESS_KEY }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.PR_CI_AWS_SECRET_KEY }}
          AWS_REGION: 'eu-west-1'
          AWS_S3_BUCKET: ${{ secrets.PR_CI_AWS_S3_BUCKET }}
          SOURCE_DIR: public/
          DEST_DIR: docs/${{ github.ref }}

      - name: Invalidate Cloudfront
        # Run only if we did not skip the upload step
        if: steps.upload.outcome == 'success'
        uses: chetan/invalidate-cloudfront-action@v1.2
        env:
          AWS_ACCESS_KEY_ID: ${{ secrets.PR_CI_AWS_ACCESS_KEY }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.PR_CI_AWS_SECRET_KEY }}
          AWS_REGION: 'eu-west-1'
          DISTRIBUTION: ${{ secrets.PR_CI_CLOUDFRONT_DISTRIBUTION_ID }}
          PATHS: '/docs/*'