name: Regenerate test state

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

env:
  PROJECT_ID: zealous-zebra
  ZONE: europe-west1-b

jobs:

  regenerate:
    name: Regenerate test state
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2.3.4
        with:
          persist-credentials: false

      - name: Set project and image names
        run: |
          BRANCH_NAME=$(expr $GITHUB_REF : '.*/\(.*\)') && \
          BRANCH_NAME=${BRANCH_NAME,,} && \
          REPOSITORY=${GITHUB_REPOSITORY,,} && \
          echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV && \
          echo "SHORT_SHA=$(git rev-parse --short=7 $GITHUB_SHA)" >> $GITHUB_ENV && \
          echo "REPOSITORY=$REPOSITORY" >> $GITHUB_ENV
      - name: Set up gcloud
        uses: google-github-actions/setup-gcloud@master
        with:
          version: '295.0.0'
          project_id: ${{ env.PROJECT_ID }}
          service_account_key: ${{ secrets.GCLOUD_AUTH }}

      # Run once: create firewall rule to allow incoming traffic to the nodes
      # - name: Create Zcash incoming traffic firewall rule
      #   run: |
      #     gcloud compute firewall-rules create "allow-zcash" \
      #     --target-tags zebrad \
      #     --allow tcp:8233,tcp:18233 \
      #     --source-ranges 0.0.0.0/0 \
      #     --description="Allow incoming Zcash traffic from anywhere" \

      # Creates Compute Engine virtual machine instance w/ disks
      - name: Create instance
        run: |
          gcloud compute instances create-with-container "zebrad-tests-$BRANCH_NAME-$SHORT_SHA" \
          --boot-disk-size 100GB \
          --boot-disk-type pd-ssd \
          --container-image rust:buster \
          --container-mount-disk mount-path='/${{ github.event.inputs.network }}',name="zebrad-cache-$SHORT_SHA-${{ github.event.inputs.network }}-canopy" \
          --container-restart-policy never \
          --create-disk name="zebrad-cache-$SHORT_SHA-${{ github.event.inputs.network }}-canopy",size=100GB,type=pd-balanced \
          --machine-type n2-standard-4 \
          --service-account cos-vm@zealous-zebra.iam.gserviceaccount.com \
          --scopes cloud-platform \
          --tags zebrad \
          --zone "$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-$BRANCH_NAME-$SHORT_SHA" --zone "$ZONE" --command \
          "git clone -b $BRANCH_NAME https://github.com/ZcashFoundation/zebra.git &&
          cd zebra/ &&
          docker build --build-arg SHORT_SHA=$SHORT_SHA -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-$SHORT_SHA-${{ 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-$SHORT_SHA-${{ github.event.inputs.network }}-canopy" --source-disk="zebrad-cache-$SHORT_SHA-${{ github.event.inputs.network }}-canopy" --source-disk-zone="$ZONE"
      # Clean up
      - name: Delete test instance
        # Always run even if the earlier step fails
        if: ${{ always() }}
        run: |
          gcloud compute instances delete "zebrad-tests-$BRANCH_NAME-$SHORT_SHA" --delete-disks all --zone "$ZONE"