version: v1.0
name: Hexo Serverless Build Pipeline
agent:
  machine:
    type: e1-standard-2
    os_image: ubuntu1804
blocks:
  # Prepare the build environment
  - name: Prepare
    task:
      jobs:
        # Make sure we've got the right Java version configured
        - name: Set Java Version
          commands:
            - change-java-version 8
        # Run NPM install, using Semaphore's cache where possible
        - name: NPM Install
          commands:
            # Update NPM because it's so old
            - cache restore npm
            - npm i -g npm
            - cache store npm .nvm/versions/node/v8.11.3/lib/node_modules/npm
            - checkout
            # Reuse dependencies from cache and avoid installing them from scratch:
            - cache restore node-modules-$(checksum package-lock.json)
            - npm ci
            - cache store node-modules-$(checksum package-lock.json) node_modules
  # Run the validation routines that don't require a build
  - name: Validate
    task:
      prologue:
        commands:
          - checkout
          - cache restore npm
          - cache restore node-modules-$(checksum package-lock.json)
      jobs:
        # Run the jest test suite
        - name: Run Jest Tests
          commands:
            - npm run jest
        # Run the Markdown linter
        - name: MD Lint
          commands:
            - npm run mdlint
  # Build the deployment files
  - name: Build
    task:
      prologue:
        commands:
          - checkout
          - cache restore npm
          - cache restore node-modules-$(checksum package-lock.json)
      jobs:
        # Ensure we have a clean build directory, generate the files and add asset versioning
        - name: Build Site
          commands:
            - npm run clean
            - npm run build
            - cache store public-$(find source -type f -exec cat {} + | checksum) public
  # Run tests on the deployment files
  - name: Test Locally
    task:
      prologue:
        commands:
          - checkout
          - cache restore npm
          - cache restore node-modules-$(checksum package-lock.json)
          - cache restore public-$(find source -type f -exec cat {} + | checksum)
      jobs:
        # Check that all links are valid
        - name: Test link validity
          commands:
            - npm run linkcheck
        # Check that the HTML is valid
        - name: Test W3C compatability
          commands:
            - npm run htmlcheck
        # Check if we meet a11y standards
        - name: Test Accessibility
          commands:
            - npm run a11ycheck
promotions:
  - name: Deploy Content to UAT
    pipeline_file: uat-content.yml
    auto_promote_on:
      - result: passed
        branch:
          - develop
  - name: Deploy Infra to UAT
    pipeline_file: uat-infra.yml
  - name: Deploy Content to Production
    pipeline_file: prod-content.yml
    auto_promote_on:
      - result: passed
        branch:
          - master
  - name: Deploy Infra to Production
    pipeline_file: prod-infra.yml