spec-deploy.yml

name: Build & Deploy spec to Netlify

on:
  pull_request:
    branches:
      - main
  push:
    branches:
      # testing only, not allowed to run on OpenLineage/OpenLineage repo
      - test-docs-deploy

jobs:
  generate_spec:
    if: |
      (github.ref == 'refs/heads/test-docs-deploy' && github.repository != 'OpenLineage/OpenLineage' ) || 
      (github.event.pull_request.merged == true && github.repository == 'OpenLineage/OpenLineage')
    name: 'Commit Spec definition'
    runs-on: ubuntu-latest
    env:
      branch: ${{ github.head_ref || github.ref_name }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 2
      - uses: shogo82148/actions-setup-perl@v1
        with:
          perl-version: "5.38"
      - name: Check changes
        id: check-changes
        run: |
          if git diff --name-only --exit-code HEAD^ HEAD -- 'spec/*.json' 'spec/OpenLineage.yml' >> /dev/null; then
            echo "no changes in spec detected, skipping publishing spec"
            exit 1
          fi
          echo "spec changes detected"
          exit 0
        continue-on-error: true
      - name: Check spec changes
        if: steps.check-changes.outcome == 'success'
        run: |
          # Copy changed spec JSON files to target location
          git diff --name-only HEAD^ HEAD -- 'spec/*.json' | while read LINE; do
            # ignore registry files
            if [[ $LINE =~ "registry.json" ]]; then
              continue
            fi
          
            # extract target file name from $id field in spec files
            URL=$(cat $LINE | jq -r '.["$id"]')
          
            # extract target location in website repo
            LOC="website/static/${URL#*//*/}"
            LOC_DIR="${LOC%/*}"
          
            # create dir if necessary, and copy files
            echo "change detected in $LINE"
            mkdir -p $LOC_DIR
            cp $LINE $LOC
          done
      - name: Generate openapi
        if: steps.check-changes.outcome == 'success'
        run: |
          SPEC_DIR="$(pwd)/website/static/spec"
          APIDOC_DIR="$(pwd)/website/static/apidocs"

          pushd $SPEC_DIR
          LATEST_VERSION=$(find . -maxdepth 1 | grep -v 'facets' | grep '[0-9]*-[0-9]-[0-9]' | sort -Vr | head -1)
          echo latest version is $LATEST_VERSION
          rm -f ./OpenLineage.json 2>/dev/null
          perl -i -pe"s/version: [[:alnum:]\.-]*/version: ${LATEST_VERSION:2}/g" ./OpenLineage.yml
          echo Versions updated

          mkdir "${LATEST_VERSION}/facets"
          for i in $(ls -d ./facets/* | sort); do cp $i/*.json ${LATEST_VERSION}/facets; done;
          
          echo "LATEST_VERSION=${LATEST_VERSION}" >> "$GITHUB_ENV"
          
          pushd $LATEST_VERSION
          ln -sf ../OpenLineage.yml .
          popd
      - name: Generate redoc
        uses: seeebiii/redoc-cli-github-action@v10
        with:
          args: 'build --output "${APIDOC_DIR}/openapi/index.html" "${SPEC_DIR}/${LATEST_VERSION}/OpenLineage.yml" --title 'OpenLineage API Docs''
      - name: Clean temp files
          pushd $LATEST_VERSION
          rm -rf facets
          rm OpenLineage.yml
          popd
      - name: Commit changes
        if: steps.check-changes.outcome == 'success'
        run: |    
          # verify if there are any changes
          if [[ $(git status --porcelain | wc -l) -gt 0 ]]; then
              git config user.name github-actions
              git config user.email github-actions@github.com
              git fetch
              git checkout ${{ env.branch }}
              git add website/static/*
              git commit -m "[generated] adding spec changes"
              git push
            else
              echo "nothing to commit"
          fi

  netlify-deploy-changes:
    uses: ./.github/workflows/netlify-deploy.yml
    needs: generate_spec
    with:
      branch: ${{ github.head_ref || github.ref_name }} # shall be `main` or `test-docs-deploy` for testing
    secrets:
      NETLIFY_SITE_ID: ${{ secrets.NETLIFY_SITE_ID }}
      NETLIFY_TOKEN_SECRET: ${{ secrets.NETLIFY_TOKEN_SECRET }}