torch-mlir/.github/workflows/bazelBuildAndTest.yml

# yamllint disable rule:line-length
name: Bazel Build and Test

on:
  push:
    branches: [main]
  workflow_dispatch:

# Ensure that only a single job or workflow using the same
# concurrency group will run at a time. This would cancel
# any in-progress jobs in the same github workflow and github
# ref (e.g. refs/heads/main or refs/pull/<pr_number>/merge).
concurrency:
  # A PR number if a pull request and otherwise the commit hash. This cancels
  # queued and in-progress runs for the same PR (presubmit) or commit
  # (postsubmit). The workflow name is prepended to avoid conflicts between
  # different workflows.
  group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
  cancel-in-progress: true


jobs:
  ubuntu-build:
    name: ubuntu-x86_64
    runs-on: ubuntu-latest

    steps:
      - name: Prepare workspace
        run: |
          # Clear the workspace directory so that we don't run into errors about
          # existing lock files.
          sudo rm -rf $GITHUB_WORKSPACE/*

      - name: Checkout torch-mlir
        uses: actions/checkout@v3
        with:
          submodules: 'true'

      # Continually update cache even if there's a "hit" during
      # restore to avoid the cache going stale over time
      # https://github.com/actions/cache/blob/main/workarounds.md#update-a-cache
      - name: Setup cache for bazel
        uses: actions/cache@v3
        with:
          path: ~/.cache/bazel
          key: torch_mlir-bazel-build-cache-${{ runner.os }}-${{ github.sha }}
          restore-keys: |
            torch_mlir-bazel-build-cache-${{ runner.os }}

      # Change bazel cache directory to root ownership
      # to allow writing to it from within the docker container.
      # If no cache hits, this directory is not present
      # so don't run chown (will error otherwise).
      - name: Set bazel cache permissions
        run: |
          if [ -d "${HOME}/.cache/bazel" ]; then
            sudo chown -R root:root "${HOME}/.cache/bazel"
          fi

      - name: Build docker image
        run: |
          docker build -f utils/bazel/docker/Dockerfile \
                      -t torch-mlir:ci \
                      .

      - name: Verify buildifier was run (bazel lint)
        run: |
          docker run --rm \
                    -v "$(pwd)":"/opt/src/torch-mlir" \
                    -v "${HOME}/.cache/bazel":"/root/.cache/bazel" \
                    torch-mlir:ci \
                    bazel run @torch-mlir//:buildifier
          if [ -n "$(git status --porcelain)" ]; then
            echo "Please 'bazel run @torch-mlir//:buildifier' and commit changes."
            exit 1
          fi

      - name: Bazel build torch-mlir
        run: |
          docker run --rm \
                    -v "$(pwd)":"/opt/src/torch-mlir" \
                    -v "${HOME}/.cache/bazel":"/root/.cache/bazel" \
                    torch-mlir:ci \
                    bazel build @torch-mlir//:torch-mlir-opt

      - name: Bazel test torch-mlir (lit tests)
        run: |
          docker run --rm \
                    -v "$(pwd)":"/opt/src/torch-mlir" \
                    -v "${HOME}/.cache/bazel":"/root/.cache/bazel" \
                    torch-mlir:ci \
                    bazel test @torch-mlir//test/...

      # Switch back bazel cache directory to user ownership
      # to allow GHA post-cache step to save cache without
      # permissions issue.
      - name: Switch bazel cache permissions
        run: |
          if [ -d "${HOME}/.cache/bazel" ]; then
            sudo chown -R "$USER":"$USER" "${HOME}/.cache/bazel"
          fi

      - name: Send mail
        if: failure()
        uses: dawidd6/action-send-mail@v3
        with:
          server_address: ${{ secrets.SMTP_SERVER }}
          server_port: ${{ secrets.SMTP_PORT }}
          username: ${{ secrets.SMTP_USERNAME }}
          password: ${{ secrets.SMTP_PASSWORD }}
          subject: GitHub Action Bazel Build and Test failed!
          body: Bazel Build job failed! See https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }} for more information.
          to: ${{ secrets.MAIL_RECEIVER }}
          from: Torch-MLIR Bazel Build GitHub Actions