lint-bpf-checks.yaml

name: BPF checks

# Any change in triggers needs to be reflected in the concurrency group.
on:
  pull_request: {}
  push:
    branches:
      - master

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.event.after }}
  cancel-in-progress: true

jobs:
  check_changes:
    name: Deduce required tests from code changes
    runs-on: ubuntu-latest
    outputs:
      bpf-tree: ${{ steps.changes.outputs.bpf-tree }}
      coccinelle: ${{ steps.changes.outputs.coccinelle }}
    steps:
      - name: Checkout code
        if: ${{ !github.event.pull_request }}
        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
        with:
          persist-credentials: false
      - name: Check code changes
        uses: dorny/paths-filter@b2feaf19c27470162a626bd6fa8438ae5b263721
        id: changes
        with:
          filters: |
            bpf-tree:
              - 'bpf/**'
            coccinelle:
              - 'contrib/coccinelle/**'

  checkpatch:
    name: checkpatch
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
        with:
          persist-credentials: false
          fetch-depth: 0
      - name: Run checkpatch.pl
        uses: docker://quay.io/cilium/cilium-checkpatch:514a240252e61d47b8814a5e57843505c0325b77@sha256:f88bbc4dbd8ace809c84581fae8b2dbbbc89433d641f1edf0f892d92be996020
      - name: Send slack notification
        if: ${{ (cancelled() || failure()) && (github.event_name == 'schedule' || github.event_name == 'push') }}
        uses: 8398a7/action-slack@dcc8c8e9dd8802e21a712dc0c003db97b42efe43
        with:
          status: ${{ job.status }}
          fields: repo,message,commit,author,action,eventName,ref,workflow,job,took # selectable (default: repo,message)
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}

  # Runs only if code under bpf/ or contrib/coccinnelle/ is changed.
  coccicheck:
    needs: check_changes
    if: ${{ needs.check_changes.outputs.bpf-tree == 'true' || needs.check_changes.outputs.coccinelle == 'true' }}
    name: coccicheck
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
        with:
          persist-credentials: false
      - uses: docker://cilium/coccicheck:2.0
        with:
          entrypoint: ./contrib/coccinelle/check-cocci.sh
      - name: Send slack notification
        if: ${{ (cancelled() || failure()) && (github.event_name == 'schedule' || github.event_name == 'push') }}
        uses: 8398a7/action-slack@dcc8c8e9dd8802e21a712dc0c003db97b42efe43
        with:
          status: ${{ job.status }}
          fields: repo,message,commit,author,action,eventName,ref,workflow,job,took # selectable (default: repo,message)
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}

  # Runs only if code under bpf/ is changed.
  build_all:
    needs: check_changes
    if: ${{ needs.check_changes.outputs.bpf-tree == 'true' }}
    name: build datapath
    runs-on: ubuntu-latest
    steps:
      - name: Install Go
        uses: actions/setup-go@37335c7bb261b353407cff977110895fa0b4f7d8
        with:
          go-version: 1.16.5
      - name: Cache LLVM and Clang
        id: cache-llvm
        uses: actions/cache@c64c572235d810460d0d6876e9c705ad5002b353
        with:
          path: $HOME/.clang
          key: llvm-10.0
      - name: Install LLVM and Clang
        uses: KyleMayes/install-llvm-action@94441eb6f611486ec059130719cca525263ac2be
        with:
          version: "10.0"
          directory: $HOME/.clang
          cached: ${{ steps.cache-llvm.outputs.cache-hit }}
      - name: Checkout code
        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
        with:
          persist-credentials: false
          fetch-depth: 0
      - name: Build all BPF datapath permutations
        env:
          V: 0
        run: |
          make --quiet -C bpf build_all || (echo "Run 'make -C bpf build_all' locally to investigate build breakages"; exit 1)
      - name: Run BPF_PROG_TEST_RUN tests
        run: |
          make -C bpf go_prog_test || (echo "Run 'make -C bpf go_prog_test' locally to investigate failures"; exit 1)
      - name: Send slack notification
        if: ${{ (cancelled() || failure()) && (github.event_name == 'schedule' || github.event_name == 'push') }}
        uses: 8398a7/action-slack@dcc8c8e9dd8802e21a712dc0c003db97b42efe43
        with:
          status: ${{ job.status }}
          fields: repo,message,commit,author,action,eventName,ref,workflow,job,took # selectable (default: repo,message)
        env:
          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}