nightly-fuzz.yml

# https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions
# See also: https://github.com/marketplace/actions/bazel-action

name: Nightly Fuzz
on:
  schedule:
    # Nightly at midnight -- uses UTC, so 7am.
    - cron:  '0 7 * * *'
  # This lets us trigger manually from the UI.
  workflow_dispatch:

jobs:
  build:
    name: Nightly Fuzz
    runs-on:
      labels: ubuntu-20.04-64core
    steps:
      - uses: actions/checkout@v2
      - name: Mount Bazel Cache
        uses: actions/cache@v3
        with:
          path: "~/.cache/bazel"
          # Create/use a cache called bazel-cache-20_04-<commit hash>
          # and read the latest cache with prefix bazel-cache-20_04-
          # if it doesn't already exist.
          key: bazel-cache-20_04-${{ github.sha }}
          restore-keys: bazel-cache-20_04-
      - name: Install bazelisk
        run: |
          curl -LO "https://github.com/bazelbuild/bazelisk/releases/download/v1.19.0/bazelisk-linux-amd64"
          mkdir -p "${GITHUB_WORKSPACE}/bin/"
          mv bazelisk-linux-amd64 "${GITHUB_WORKSPACE}/bin/bazel"
          chmod +x "${GITHUB_WORKSPACE}/bin/bazel"
      - name: Bazel Build Fuzz Driver (opt)
        run: |
          "${GITHUB_WORKSPACE}/bin/bazel" build -c opt xls/fuzzer:run_fuzz_multiprocess
      - name: Bazel Run Fuzz (opt)
        run: |
          "${GITHUB_WORKSPACE}/bin/bazel" run -c opt xls/fuzzer:run_fuzz_multiprocess -- --crash_path "${GITHUB_WORKSPACE}/crashers" --sample_count=2048 --summary_path "${GITHUB_WORKSPACE}/crashers"
      - name: Upload Fuzz Crashers
        uses: actions/upload-artifact@v2
        with:
          name: crashers
          path: "${GITHUB_WORKSPACE}/crashers"