name: Regenerate test state

on:
  workflow_dispatch:
    inputs:
      network:
        default: 'mainnet'

env:
  PROJECT_ID: ${{ secrets.GCP_PROJECT_ID }}
  ZONE: europe-west1-b
  MACHINE_TYPE: n2-standard-4
  DEPLOY_SA: cos-vm@${{ secrets.GCP_PROJECT_ID }}.iam.gserviceaccount.com

jobs:

  regenerate:
    name: Regenerate test state
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2.4.0
        with:
          persist-credentials: false

      - name: Inject slug/short variables
        uses: rlespinasse/github-slug-action@v4

      - name: Set up gcloud
        uses: google-github-actions/setup-gcloud@v0.4.0
        with:
          project_id: ${{ env.PROJECT_ID }}
          service_account_key: ${{ secrets.GCLOUD_AUTH }}

      # Creates Compute Engine virtual machine instance w/ disks
      - name: Create instance
        run: |
          gcloud compute instances create-with-container "zebrad-tests-${{ env.GITHUB_HEAD_REF_SLUG || env.GITHUB_REF_SLUG }}-${{ env.GITHUB_SHA_SHORT }}" \
          --boot-disk-size 100GB \
          --boot-disk-type pd-ssd \
          --container-image rust:buster \
          --container-mount-disk mount-path='/${{ github.event.inputs.network }}',name="zebrad-cache-${{ env.GITHUB_SHA_SHORT }}-${{ github.event.inputs.network }}-canopy" \
          --container-restart-policy never \
          --create-disk name="zebrad-cache-${{ env.GITHUB_SHA_SHORT }}-${{ github.event.inputs.network }}-canopy",size=100GB,type=pd-balanced \
          --machine-type ${{ env.MACHINE_TYPE }} \
          --service-account ${{ env.DEPLOY_SA }} \
          --scopes cloud-platform \
          --tags zebrad \
          --zone "${{ env.ZONE }}"
      # Build and run test container to sync up to activation and no further
      - name: Regenerate state for tests
        id: regenerate-state
        run: |
          gcloud compute ssh "zebrad-tests-${{ env.GITHUB_HEAD_REF_SLUG || env.GITHUB_REF_SLUG }}-${{ env.GITHUB_SHA_SHORT }}" --zone "${{ env.ZONE }}" --command \
          "git clone -b ${{ env.GITHUB_HEAD_REF_SLUG || env.GITHUB_REF_SLUG }} https://github.com/ZcashFoundation/zebra.git &&
          cd zebra/ &&
          docker build --build-arg SHORT_SHA=${{ env.GITHUB_SHA_SHORT }} -f docker/Dockerfile.test -t zebrad-test . &&
          docker run -i -e "ZEBRA_SKIP_IPV6_TESTS=1" --mount type=bind,source=/mnt/disks/gce-containers-mounts/gce-persistent-disks/zebrad-cache-${{ env.GITHUB_SHA_SHORT }}-${{ github.event.inputs.network }}-canopy,target=/zebrad-cache zebrad-test:latest cargo test --verbose --features test_sync_to_mandatory_checkpoint_${{ github.event.inputs.network }} --manifest-path zebrad/Cargo.toml sync_to_mandatory_checkpoint_${{ github.event.inputs.network }};
          "
      # Create image from disk that will be used in test.yml workflow
      - name: Create image from state disk
        # Only run if the earlier step succeeds
        if: steps.regenerate-state.outcome == 'success'
        run: |
          gcloud compute images create "zebrad-cache-${{ env.GITHUB_SHA_SHORT }}-${{ github.event.inputs.network }}-canopy" --source-disk="zebrad-cache-${{ env.GITHUB_SHA_SHORT }}-${{ github.event.inputs.network }}-canopy" --source-disk-zone="${{ env.ZONE }}"
      # Clean up
      - name: Delete test instance
        # Always run even if the earlier step fails
        if: ${{ always() }}
        run: |
          gcloud compute instances delete "zebrad-tests-${{ env.GITHUB_HEAD_REF_SLUG || env.GITHUB_REF_SLUG }}-${{ env.GITHUB_SHA_SHORT }}" --delete-disks all --zone "${{ env.ZONE }}"