restore-staging.yml

name: Restore staging environment
env:
  FIREBASE_TOKEN: ${{ secrets.FIREBASE_TOKEN }}
on:
  pull_request:
    branches:
      - master
jobs:
  remove-staging-backups:
    runs-on: ubuntu-latest
    steps:
      - name: Setup gcloud environment
        uses: GoogleCloudPlatform/github-actions@0.1.2
        with:
          project_id: example-staging
          service_account_key: ${{ secrets.GCLOUD_AUTH_KEY_STAGING }}

      - name: Select project
        run: gcloud config set project example-staging

      # The staging backups bucket will be soiled with production project backups
      # since we're copying buckets in the subsequent job
      - name: Remove redundant RTDB backups
        run: |
          gsutil rm gs://example-staging-backups/*prod_rules.json.gz
          gsutil rm gs://example-staging-backups/*prod_data.json.gz

      - name: Remove Firestore backups
        run: gsutil rm -r gs://example-staging-backups/firestore

      - name: Remove RTDB backups
        run: gsutil rm -r gs://example-staging-backups/rtdb

  copy-cloud-storage:
    runs-on: ubuntu-latest
    needs: remove-staging-backups
    strategy:
      fail-fast: true
      matrix:
        # Copy the backups bucket in order to restore Firestore from same bucket in same project
        bucket: [".appspot.com", "-upload", "-backups"]
    steps:
      - name: Setup gcloud environment
        uses: GoogleCloudPlatform/github-actions@0.1.2
        with:
          project_id: example-staging
          service_account_key: ${{ secrets.GCLOUD_AUTH_KEY_STAGING }}

      - name: Select project
        run: gcloud config set project example-staging

      - name: Copy default storage bucket
        run: gsutil cp -r gs://example-prod${{ matrix.bucket }}/* gs://example-staging${{ matrix.bucket }}

  restore-firestore:
    runs-on: ubuntu-latest
    needs: copy-cloud-storage
    steps:
      - name: Setup gcloud environment
        uses: GoogleCloudPlatform/github-actions@0.1.2
        with:
          project_id: example-staging
          service_account_key: ${{ secrets.GCLOUD_AUTH_KEY_STAGING }}

      - name: Select project
        run: gcloud config set project example-staging

      - name: Import Firestore from Cloud Storage bucket
        run: gcloud firestore import gs://example-staging-backups/firestore/snapshot --async

  reset-rtdb:
    runs-on: ubuntu-latest
    needs: copy-cloud-storage
    steps:
      - uses: actions/checkout@v2

      - name: Setup gcloud environment
        uses: GoogleCloudPlatform/github-actions@0.1.2
        with:
          project_id: example-staging
          service_account_key: ${{ secrets.GCLOUD_AUTH_KEY_STAGING }}

      - name: Select project
        run: gcloud config set project example-staging

      - name: Select Firebase project
        uses: w9jds/firebase-action@v1.3.0
        with:
          args: use staging

      - name: Download RTDB data from Cloud Storage Bucket
        run: gsutil cp gs://example-staging-backups/rtdb/snapshot.json .

      - name: Set RTDB data
        uses: w9jds/firebase-action@v1.3.0
        with:
          args: database:set --confirm / snapshot.json