update-metadata-regions.yml

name: Update Metadata Regions
on:
  workflow_dispatch:
  schedule:
    - cron: "0 0 * * *"

jobs:
  update-regions:
    name: Update Regions
    runs-on: ubuntu-latest
    steps:
      - name: Download regions
        env:
          URL: https://d3mqmgkwnwa8vm.cloudfront.net/regions.json
        id: download
        run: |
          response=$(curl $URL)
          echo "REGIONS=${response}" >> "$GITHUB_OUTPUT"
          
          status=$(curl -s -o /dev/null -w "%{http_code}" $URL)
          echo "STATUS=${status}" >> "$GITHUB_OUTPUT"
      - uses: actions/checkout@v4
      - uses: actions/github-script@v7
        if: ${{ steps.download.outputs.STATUS == 200 }}
        env:
          REGIONS: ${{ steps.download.outputs.REGIONS }}
        with:
          script: |
            const script = require('./scripts/update-metadata-regions.js')
            script()
      - name: Create Patch
        run: |-
          git add .
          git diff --patch --staged > ${{ runner.temp }}/update-spec.patch
      - name: Upload Patch
        uses: actions/upload-artifact@v4
        with:
          name: update-spec.patch
          path: ${{ runner.temp }}/update-spec.patch

  pr:
    name: Create Pull Request
    needs: update-regions
    permissions:
      contents: write
      pull-requests: write
    runs-on: ubuntu-latest
    steps:
      - name: Check Out
        uses: actions/checkout@v4

      - name: Download patch
        uses: actions/download-artifact@v4
        with:
          name: update-spec.patch
          path: ${{ runner.temp }}

      - name: Apply patch
        run: '[ -s ${{ runner.temp }}/update-spec.patch ] && git apply ${{ runner.temp }}/update-spec.patch || echo "Empty patch. Skipping."'

      - name: Make Pull Request
        uses: peter-evans/create-pull-request@v6
        with:
          # Git commit details
          branch: automation/region-update
          author: aws-cdk-automation <aws-cdk-automation@users.noreply.github.com>
          commit-message: |-
            feat(region-info): update Metadata regions
            Update the list of regions where the CDK deploys the `AWS::CDK::Metadata` resource.
          # Pull Request details
          title: "feat(region-info): update Metadata regions"
          body: |-
            Update the list of regions where the CDK deploys the `AWS::CDK::Metadata` resource.
          labels: contribution/core,dependencies,auto-approve,pr-linter/exempt-integ-test,pr-linter/exempt-readme,pr-linter/exempt-test
          team-reviewers: aws-cdk-team
          # Github prevents further Github actions to be run if the default Github token is used.
          # Instead use a privileged token here, so further GH actions can be triggered on this PR.
          token: ${{ secrets.PROJEN_GITHUB_TOKEN }}