cleanup.yml

name: CLEANUP

on:
  workflow_dispatch:

jobs:
    build:
      runs-on: ubuntu-latest

      steps:
      - uses: 'actions/checkout@v3'
  
      - id: 'auth'
        # here we authenticate with GCP using Service Account
        # json stored in github secrets
        name: 'Authenticate to Google Cloud'
        uses: 'google-github-actions/auth@v1'
        with:
          credentials_json: ${{ secrets.GCP_SERVICE_ACCOUNT }}

      - id: 'setup'
        # here we setup gcloud / Cloud SDK to use it
        # later in the workflow
        name: 'Set up Cloud SDK'
        uses: 'google-github-actions/setup-gcloud@v1'
    
      - id: 'list_buckets'
        # here we list existing buckets to decide if
        # the bucket needs to be deleted
        name: 'List buckets'
        run: echo buckets=$(gcloud storage buckets list --filter=name=${{ vars.GCS_BUCKET_NAME }} 2>&1) >> $GITHUB_OUTPUT

      - id: 'remove_bucket'
        name: "(OPT) Remove Cloud Storage bucket"
        run: gcloud storage rm -r gs://${{ vars.GCS_BUCKET_NAME }}
        if: ${{ steps.list_buckets.outputs.buckets != 'Listed 0 items.' }}
        
      - id: 'list_functions'
        # here we list existing functions to decide if
        # the function needs to be deleted
        name: 'List functions'
        run: echo functions=$(gcloud functions list --filter=name~${{ vars.CLOUD_FUNCTION_NAME }} 2>&1) >> $GITHUB_OUTPUT

      - id: 'remove_function'
        # here we remove the function if we found it during last step
        name: "(OPT) Remove Cloud Function"
        run: gcloud functions delete ${{ vars.CLOUD_FUNCTION_NAME }}
        if: ${{ steps.list_functions.outputs.functions != 'Listed 0 items.' }}

      - id: 'notify'
        # here we notify of successful build using pushover
        # see https://pushover.net/ for details
        name: "(OPT) Send push notification on success"
        if: ${{ vars.NOTIFY }}
        run: |
          curl -s \
          --form-string "token=${{ secrets.NOTIFY_TOKEN }}" \
          --form-string "user=${{ secrets.NOTIFY_USER }}" \
          --form-string "message=\"$GITHUB_WORKFLOW\" workflow finished successfully" \
          https://api.pushover.net/1/messages.json