lint-build-commits.yaml

name: Build Commits

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

permissions: read-all

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

jobs:
  build_commits:
    name: Check if build works for every commit
    runs-on: ubuntu-22.04
    timeout-minutes: 180
    steps:
      - name: Collect Workflow Telemetry
        uses: catchpoint/workflow-telemetry-action@94c3c3d9567a0205de6da68a76c428ce4e769af1 # v2.0.0
        with:
          comment_on_pr: false

      - name: Configure git
        run: |
          git config --global user.name "GitHub Actions"
          git config --global user.email "github-actions@users.noreply.github.com"

      - name: Checkout code
        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
        with:
          persist-credentials: false
          ref: ${{ github.event.pull_request.head.sha }}
          fetch-depth: 0

      - name: Install Go
        uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
        with:
          cache: false
          # renovate: datasource=golang-version depName=go
          go-version: 1.23.1

      # Load Golang cache build from GitHub
      - name: Load Golang cache build from GitHub
        uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
        id: go-cache
        with:
          path: /tmp/.cache/go
          key: ${{ runner.os }}-go-all-cache-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-all-cache-
            ${{ runner.os }}-go-

      # Load CCache build from GitHub
      - name: Load ccache cache build from GitHub
        uses: actions/cache@0c45773b623bea8c8e75f6c82b208c3cf94ea4f9 # v4.0.2
        id: ccache-cache
        with:
          path: /tmp/.cache/ccache
          key: ${{ runner.os }}-ccache-${{ hashFiles('bpf/**') }}
          restore-keys: |
            ${{ runner.os }}-ccache-

      - name: Create cache directories if they don't exist
        if: ${{ steps.go-cache.outputs.cache-hit != 'true' || steps.ccache-cache.outputs.cache-hit != 'true' }}
        shell: bash
        run: |
          mkdir -p /tmp/.cache/go/.cache/go-build
          mkdir -p /tmp/.cache/go/pkg
          mkdir -p /tmp/.cache/ccache/.ccache

      - name: Check if build works for every commit
        env:
          CLANG: "ccache clang"
          BUILDER_GOCACHE_DIR: "/tmp/.cache/go/.cache/go-build"
          BUILDER_GOMODCACHE_DIR: "/tmp/.cache/go/pkg"
          BUILDER_CCACHE_DIR: "/tmp/.cache/ccache/.ccache"
        run: |
          set -eu -o pipefail
          COMMITS=$(git rev-list ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }})
          for commit in $COMMITS ; do
            git checkout $commit || exit 1
            contrib/scripts/builder.sh make CLANG="${CLANG}" build -j $(nproc) || exit 1
          done

      - name: Check bpf code changes
        uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
        id: bpf-tree
        with:
          # If these filters are modified, also modify the step below where we
          # do a git diff
          filters: |
            src:
              - 'bpf/**'

      # Runs only if code under bpf/ is changed.
      - name: Check if datapath build works for every commit
        if: steps.bpf-tree.outputs.src == 'true'
        env:
          CLANG: "ccache clang"
          BUILDER_GOCACHE_DIR: "/tmp/.cache/go/.cache/go-build"
          BUILDER_GOMODCACHE_DIR: "/tmp/.cache/go/pkg"
          BUILDER_CCACHE_DIR: "/tmp/.cache/ccache/.ccache"
        run: |
          set -eu -o pipefail
          COMMITS=$(git rev-list ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }})
          for commit in $COMMITS ; do
            git checkout $commit || exit 1
            # Do not run make if there aren't any files modified in these
            # directories from the previous commit to the current commit.
            # If these filters are modified, also modify the step above where we
            # run dorny/paths-filter.
            if ! git diff --quiet HEAD^ bpf/ ; then
              contrib/scripts/builder.sh make CLANG="${CLANG}" -C bpf build_all -j $(nproc) || exit 1
            fi
          done

      - name: Reset cache ownership to GitHub runners user
        if: ${{ steps.go-cache.outputs.cache-hit != 'true' || steps.ccache-cache.outputs.cache-hit != 'true' }}
        shell: bash
        run: |
          sudo du -sh /tmp/.cache/
          sudo chown $USER:$USER -R /tmp/.cache

      - name: Check test code changes
        uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
        id: test-tree
        with:
          # If these filters are modified, also modify the step below where we
          # do a git diff
          filters: |
            src:
              - 'pkg/**'
              - 'test/**'

      - name: Set clang directory
        if: steps.test-tree.outputs.src == 'true'
        id: set_clang_dir
        run: echo "clang_dir=$HOME/.clang" >> $GITHUB_OUTPUT

      - name: Install LLVM and Clang prerequisites
        if: steps.test-tree.outputs.src == 'true'
        run: |
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends libtinfo5

      - name: Install LLVM and Clang
        if: steps.test-tree.outputs.src == 'true'
        uses: KyleMayes/install-llvm-action@e0a8dc9cb8a22e8a7696e8a91a4e9581bec13181 # v2.0.5
        with:
          version: "17.0.6"
          directory: ${{ steps.set_clang_dir.outputs.clang_dir }}

      - name: Install ginkgo
        if: steps.test-tree.outputs.src == 'true'
        run: |
          go install github.com/onsi/ginkgo/ginkgo@cc0216944b25a88d3259699a029d4e601fb8a222 # v1.12.1

      # Runs only if code under test/ is changed.
      - name: Check if ginkgo test suite build works for every commit
        if: steps.test-tree.outputs.src == 'true'
        run: |
          set -eu -o pipefail
          COMMITS=$(git rev-list ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }})
          for commit in $COMMITS ; do
            git checkout $commit || exit 1
            # Do not run make if there aren't any files modified in these
            # directories from the previous commit to the current commit.
            # If these filters are modified, also modify the step above where we
            # run dorny/paths-filter.
            if ! git diff --quiet HEAD^ pkg/ test/ ; then
              (make -C test build -j $(nproc) && make -C test build-darwin -j $(nproc)) || exit 1
            fi
          done

      - name: Failed commit during the build
        if: ${{ failure() }}
        run: git --no-pager log --format=%B -n 1