aws_azs.yaml

name: Update helm/cluster-aws/files/azs-in-region.yaml with new availability zones
on:
  schedule:
    - cron:  '0 0 * * *'

jobs:
  import_new_regions_and_zones:
    runs-on: ubuntu-24.04
    container: gsoci.azurecr.io/giantswarm/golang:1.23.4
    steps:
      - name: Check out the code
        uses: actions/checkout@v4
        with:
          clean: false
      - name: Calculate md5sum of azs-in-region.yaml before the script runs
        run: |
          md5sum helm/cluster-aws/files/azs-in-region.yaml > /tmp/before
      - name: Build azs-getter
        run: |
          cd azs-getter
          go get
          go build -o ../azs-getter-bin main.go
      - name: Run azs-getter to update azs-in-region.yaml
        env:
          AWS_ACCESS_KEY_ID_CHINA: "${{ secrets.AWS_ACCESS_KEY_ID_CHINA }}"
          AWS_SECRET_ACCESS_KEY_CHINA: "${{ secrets.AWS_SECRET_ACCESS_KEY_CHINA }}"
          AWS_ACCESS_KEY_ID_EUROPE: "${{ secrets.AWS_ACCESS_KEY_ID_EUROPE }}"
          AWS_SECRET_ACCESS_KEY_EUROPE: "${{ secrets.AWS_SECRET_ACCESS_KEY_EUROPE }}"
        run: |
          ./azs-getter-bin --dest-file=./helm/cluster-aws/files/azs-in-region.yaml
          rm ./azs-getter-bin
      - name: Check for changes
        id: check_changes
        run: |
          md5sum helm/cluster-aws/files/azs-in-region.yaml > /tmp/after

          diff /tmp/before /tmp/after || echo ::set-output name=needs_pr::true
      - name: Add Changelog entry
        env:
          msg: "Update Availability Zones in helm/cluster-aws/files/azs-in-region.yaml"
        if: steps.check_changes.outputs.needs_pr == 'true'
        run: |
          # Line number containing unreleased tag
          unreleased="$(grep -En '^## \[Unreleased\]' CHANGELOG.md | cut -f1 -d:)"

          # Line number containing latest release
          latest="$(grep -En '^## \[[0-9]+' CHANGELOG.md | head -n 1|cut -f1 -d:)"

          # Current changes
          current="$(cat CHANGELOG.md | head -n $(($latest - 1))|tail -n $(($latest - $unreleased - 1)))"

          # look for "Changed" section
          changed="$(echo "$current" | grep -En '^### Changed'|cut -f1 -d:)"

          if [ "$changed" == "" ]
          then
            changed=2
            awk "NR==$(($unreleased + 1)){print \"\n## Changed\n\"}7" CHANGELOG.md >changelog.tmp
            mv changelog.tmp CHANGELOG.md
          fi

          # Add new changelog entry
          awk "NR==$(($unreleased + $changed + 2)){print \"- ${msg}\n\"}7" CHANGELOG.md >changelog.tmp
          mv changelog.tmp CHANGELOG.md

      - name: Prepare branch for PR
        env:
          remote_repo: "https://${{ github.actor }}:${{ secrets.TAYLORBOT_GITHUB_ACTION }}@github.com/${{ github.repository }}.git"
          destination_branch_name: "automated-azs"
          GITHUB_TOKEN: "${{ secrets.TAYLORBOT_GITHUB_ACTION }}"
          base: "${{ github.ref }}"
        if: steps.check_changes.outputs.needs_pr == 'true'
        run: |
          git config --global --add safe.directory "`pwd`"
          git config --local user.email "dev@giantswarm.io"
          git config --local user.name "taylorbot"
          git add -A
          git commit -m "Update Availability Zones in helm/cluster-aws/files/azs-in-region.yaml"
          git push "${remote_repo}" HEAD:${destination_branch_name} --force

      - name: Create PR
        uses: thomaseizinger/create-pull-request@1.4.0
        if: steps.check_changes.outputs.needs_pr == 'true'
        with:
          GITHUB_TOKEN: ${{ secrets.TAYLORBOT_GITHUB_ACTION }}
          head: "automated-azs"
          base: ${{ github.ref }}
          title: "Update Availability Zones in helm/cluster-aws/files/azs-in-region.yaml"