cleanup.yml

name: 'Cleanup'

on:
  schedule:
    - cron: '0 */6 * * *'
  workflow_dispatch:

permissions:
  contents: 'read'
  id-token: 'write'

jobs:
  cleanup:
    runs-on: 'ubuntu-latest'

    steps:
      - uses: 'actions/checkout@v4'

      - uses: 'google-github-actions/auth@v2'
        with:
          workload_identity_provider: '${{ vars.WIF_PROVIDER_NAME }}'
          service_account: '${{ vars.SERVICE_ACCOUNT_EMAIL }}'

      - uses: 'google-github-actions/setup-gcloud@v2'

      - name: Delete services
        run: |-
          gcloud config set core/project "${{ vars.PROJECT_ID }}"
          gcloud config set functions/region "us-central1"

          # List and delete all functions that were deployed 30 minutes ago or
          # earlier. The date math here is a little weird, but we're looking for
          # deployments "earlier than" 30 minutes ago, so it's less than since
          # time increases.
          (IFS=$'\n'; for NAME in $(gcloud functions list --format="value(name)" --filter="updateTime < '-pt30m'"); do
            echo "Deleting ${NAME}..."
            gcloud functions delete ${NAME} --quiet
          done)