1name: Build with Clang/LLVM
2
3on: pull_request_target
4
5concurrency:
6  group: ${{ github.workflow }}-${{ github.event_name }}-${{ github.head_ref || github.ref }}
7  cancel-in-progress: true
8
9jobs:
10  clang-build:
11    if: github.repository_owner == 'zephyrproject-rtos'
12    runs-on:
13      group: zephyr-runner-v2-linux-x64-4xlarge
14    container:
15      image: ghcr.io/zephyrproject-rtos/ci-repo-cache:v0.27.4.20241026
16      options: '--entrypoint /bin/bash'
17    strategy:
18      fail-fast: false
19      matrix:
20        platform: ["native_sim"]
21    env:
22      CCACHE_DIR: /node-cache/ccache-zephyr
23      CCACHE_REMOTE_STORAGE: "redis://cache-*.keydb-cache.svc.cluster.local|shards=1,2,3"
24      CCACHE_REMOTE_ONLY: "true"
25      LLVM_TOOLCHAIN_PATH: /usr/lib/llvm-16
26      COMMIT_RANGE: ${{ github.event.pull_request.base.sha }}..${{ github.event.pull_request.head.sha }}
27      BASE_REF: ${{ github.base_ref }}
28    outputs:
29      report_needed: ${{ steps.twister.outputs.report_needed }}
30    steps:
31      - name: Apply container owner mismatch workaround
32        run: |
33          # FIXME: The owner UID of the GITHUB_WORKSPACE directory may not
34          #        match the container user UID because of the way GitHub
35          #        Actions runner is implemented. Remove this workaround when
36          #        GitHub comes up with a fundamental fix for this problem.
37          git config --global --add safe.directory ${GITHUB_WORKSPACE}
38
39      - name: Print cloud service information
40        run: |
41          echo "ZEPHYR_RUNNER_CLOUD_PROVIDER = ${ZEPHYR_RUNNER_CLOUD_PROVIDER}"
42          echo "ZEPHYR_RUNNER_CLOUD_NODE = ${ZEPHYR_RUNNER_CLOUD_NODE}"
43          echo "ZEPHYR_RUNNER_CLOUD_POD = ${ZEPHYR_RUNNER_CLOUD_POD}"
44
45      - name: Clone cached Zephyr repository
46        continue-on-error: true
47        run: |
48          git clone --shared /repo-cache/zephyrproject/zephyr .
49          git remote set-url origin ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}
50
51      - name: Checkout
52        uses: actions/checkout@v4
53        with:
54          ref: ${{ github.event.pull_request.head.sha }}
55          fetch-depth: 0
56          persist-credentials: false
57
58      - name: Environment Setup
59        run: |
60          echo "$HOME/.local/bin" >> $GITHUB_PATH
61          git config --global user.email "bot@zephyrproject.org"
62          git config --global user.name "Zephyr Bot"
63          rm -fr ".git/rebase-apply"
64          rm -fr ".git/rebase-merge"
65          git rebase origin/${BASE_REF}
66          git clean -f -d
67          git log  --pretty=oneline | head -n 10
68          west init -l . || true
69          west config --global update.narrow true
70          west config manifest.group-filter -- +ci,+optional
71          # In some cases modules are left in a state where they can't be
72          # updated (i.e. when we cancel a job and the builder is killed),
73          # So first retry to update, if that does not work, remove all modules
74          # and start over. (Workaround until we implement more robust module
75          # west caching).
76          west update --path-cache /repo-cache/zephyrproject 2>&1 1> west.log || west update --path-cache /repo-cache/zephyrproject 2>&1 1> west2.log || ( rm -rf ../modules ../bootloader ../tools && west update --path-cache /repo-cache/zephyrproject)
77
78          echo "ZEPHYR_SDK_INSTALL_DIR=/opt/toolchains/zephyr-sdk-$( cat SDK_VERSION )" >> $GITHUB_ENV
79
80      - name: Check Environment
81        run: |
82          cmake --version
83          ${LLVM_TOOLCHAIN_PATH}/bin/clang --version
84          gcc --version
85          ls -la
86
87      - name: Set up ccache
88        run: |
89          mkdir -p ${CCACHE_DIR}
90          ccache -M 10G
91          ccache -p
92          ccache -z -s -vv
93
94      - name: Update BabbleSim to manifest revision
95        run: |
96          export BSIM_VERSION=$( west list bsim -f {revision} )
97          echo "Manifest points to bsim sha $BSIM_VERSION"
98          cd /opt/bsim_west/bsim
99          git fetch -n origin ${BSIM_VERSION}
100          git -c advice.detachedHead=false checkout ${BSIM_VERSION}
101          west update
102          make everything -s -j 8
103
104      - name: Run Tests with Twister
105        id: twister
106        run: |
107          export ZEPHYR_BASE=${PWD}
108          export ZEPHYR_TOOLCHAIN_VARIANT=llvm
109
110          # check if we need to run a full twister or not based on files changed
111          python3 ./scripts/ci/test_plan.py --no-detailed-test-id --platform ${{ matrix.platform }} -c origin/${BASE_REF}..
112
113          # We can limit scope to just what has changed
114          if [ -s testplan.json ]; then
115            echo "report_needed=1" >> $GITHUB_OUTPUT
116            # Full twister but with options based on changes
117            ./scripts/twister --no-detailed-test-id --force-color --inline-logs -M -N -v --load-tests testplan.json --retry-failed 2
118          else
119            # if nothing is run, skip reporting step
120            echo "report_needed=0" >> $GITHUB_OUTPUT
121          fi
122
123      - name: Print ccache stats
124        if: always()
125        run: |
126          ccache -s -vv
127
128      - name: Upload Unit Test Results
129        if: always() && steps.twister.outputs.report_needed != 0
130        uses: actions/upload-artifact@v4
131        with:
132          name: Unit Test Results (Subset ${{ matrix.platform }})
133          path: twister-out/twister.xml
134
135  clang-build-results:
136    name: "Publish Unit Tests Results"
137    needs: clang-build
138    runs-on: ubuntu-22.04
139    if: (success() || failure() ) && needs.clang-build.outputs.report_needed != 0
140    steps:
141      - name: Download Artifacts
142        uses: actions/download-artifact@v4
143        with:
144          path: artifacts
145      - name: Merge Test Results
146        run: |
147          pip install junitparser junit2html
148          junitparser merge artifacts/*/twister.xml junit.xml
149          junit2html junit.xml junit-clang.html
150
151      - name: Upload Unit Test Results in HTML
152        if: always()
153        uses: actions/upload-artifact@v4
154        with:
155          name: HTML Unit Test Results
156          if-no-files-found: ignore
157          path: |
158            junit-clang.html
159
160      - name: Publish Unit Test Results
161        uses: EnricoMi/publish-unit-test-result-action@v2
162        if: always()
163        with:
164          check_name: Unit Test Results
165          files: "**/twister.xml"
166          comment_mode: off
167