hermetic.yml

name: Run Hermetic tests

on:
  pull_request:
    branches: [ "main" ]
  merge_group:
    branches: [ "main" ]
  schedule:
    - cron: "0 0/8 * * *" # Every 8 hours
  workflow_dispatch: # manually triggered
    inputs:
      test_selector:
        type: string
        description: Path regex passed to Jest to select which tests to run
        required: true
        default: fast

env:
  CARGO_TERM_COLOR: always
  SCCACHE_GHA_ENABLED: "true"
  RUSTC_WRAPPER: "sccache"

jobs:
  generate-matrix:
    name: Generate Matrix
    runs-on: ubuntu-latest
    outputs:
      networks: ${{ steps.generate-matrix.outputs.networks }}
      build_tag: ${{ steps.generate-matrix.outputs.build_tag }}
    steps:
      -
        name: Checkout
        uses: actions/checkout@v3
      -
        name: Generate network matrix
        id: generate-matrix
        run: |
          NETWORKS=$(ls networks | jq -R -s -c '. | gsub(".yaml"; "") | split("\n")[:-1]')
          echo "Networks:"
          echo ${NETWORKS}
          echo "networks=${NETWORKS}" >> $GITHUB_OUTPUT
          # Choose unique name for this build
          BUILD_TAG="$(echo ${{ github.sha }} | head -c 8)-${{ github.run_id }}"
          echo "Build tag:"
          echo ${BUILD_TAG}
          echo "build_tag=${BUILD_TAG}" >> $GITHUB_OUTPUT
          cat $GITHUB_OUTPUT

  publish-suite:
    name: Publish Suite
    runs-on: ubuntu-latest
    needs: generate-matrix
    steps:
    - uses: actions/checkout@v3
    - name: Set up Docker Buildx
      uses: docker/setup-buildx-action@v2
    - name: Login to Public ECR
      uses: docker/login-action@v2
      with:
        registry: public.ecr.aws
        username: ${{ secrets.AWS_ACCESS_KEY_ID }}
        password: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
      env:
        AWS_REGION: us-east-1
    - name: Build and Publish
      run: make BUILD_TAG=${{ needs.generate-matrix.outputs.build_tag }} publish-suite

  build-driver:
    name: Build 'hermetic-driver' binary
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
    - uses: dtolnay/rust-toolchain@stable
    - uses: Swatinem/rust-cache@v2
      with:
        # The prefix cache key, this can be changed to start a new cache manually.
        # default: "v0-rust"
        prefix-key: v0
        # Cache only the cargo registry
        cache-targets: false
    - uses: mozilla-actions/sccache-action@v0.0.3
    - name: Build Tester
      run: make BUILD_PROFILE=release driver
    - uses: actions/upload-artifact@master
      with:
        name: hermetic-driver
        path: ./target/release/hermetic-driver
        retention-days: 1

  run-tests:
    name: Test
    runs-on: ubuntu-latest
    environment: test
    needs:
      - generate-matrix
      - build-driver
      - publish-suite
    strategy:
      fail-fast: false
      matrix:
        networks: ${{ fromJSON(needs.generate-matrix.outputs.networks) }}
    steps:
      -
        name: Checkout
        uses: actions/checkout@v3
      -
        name: Setup GKE auth
        uses: 'google-github-actions/auth@v1'
        with:
          credentials_json: ${{ secrets.GKE_SA_KEY }}
      -
        name: Get GKE credentials
        uses: 'google-github-actions/get-gke-credentials@v1'
        with:
          cluster_name: ${{ vars.GKE_CLUSTER }}
          location: ${{ vars.GKE_ZONE }}
      - uses: actions/download-artifact@master
        with:
          name: hermetic-driver
          path: ./bin
      -
        name: Test ${{ matrix.networks }}
        run: |
          set -euxo pipefail
          export BUILD_TAG=${{ needs.generate-matrix.outputs.build_tag }}
          export TEST_NETWORK=./networks/${{ matrix.networks }}.yaml
          chmod +x ./bin/hermetic-driver

          # For scheduled events, "test_selector" will be null, so default to running all tests.
          test_selector=${{ github.event.inputs.test_selector || '.' }}

          # For PR and merge group events, run only "fast" tests.
          # Note it is not possible to override "test_selector" for these types of events.
          if [[ ${{ github.event_name == 'pull_request' || github.event_name == 'merge_group' }} == 'true' ]]; then
              test_selector="fast"
          fi
          make TEST_SELECTOR="$test_selector" HERMETIC_CMD=./bin/hermetic-driver hermetic-tests

  collect-results:
    name: Hermetic Test Results
    if: ${{ always() }}
    runs-on: ubuntu-latest
    needs: [run-tests]
    steps:
      - run: exit 1
        # see https://stackoverflow.com/a/67532120/4907315
        if: >-
          ${{
               contains(needs.*.result, 'failure')
            || contains(needs.*.result, 'cancelled')
          }}