Christian Werner
5476a5db28
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Introduce a workflow to build kernel modules for multiple header packages on PRs and releases. PR builds verify compilation, while release builds package outputs and publish them to a Gitea release. This enhances automation and ensures compatibility across target environments.
93 lines
3.4 KiB
YAML
93 lines
3.4 KiB
YAML
name: Build kernel module
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on:
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# Release flow: triggered when a version tag is pushed (tag a commit on master).
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# Builds every target and publishes the modules to a Gitea release.
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push:
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tags:
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- 'v*'
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# Compile-check flow: every PR that targets master. Builds only, no release.
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pull_request:
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branches:
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- master
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jobs:
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# Build (and thereby compile-check) the module for each header package. Runs on
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# both triggers — on a PR this is the whole story; on a tag the `release` job
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# below consumes the artifacts. All packages build against the latest archive
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# kernel; the exact version is auto-resolved from the image at build time.
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build:
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runs-on: ubuntu-latest
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strategy:
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# Don't cancel the other targets if one package fails to build.
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fail-fast: false
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matrix:
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headers_pkg:
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- linux-headers-rpi-v8 # 64-bit (Pi Zero 2 W)
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- linux-headers-rpi-v7 # 32-bit
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- linux-headers-rpi-v6 # 32-bit (older Pis)
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Build module (${{ matrix.headers_pkg }})
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working-directory: kernel
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env:
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HEADERS_PKG: ${{ matrix.headers_pkg }}
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run: ./build-in-docker.sh
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- name: Stage build output (<kernel_version>/<headers_pkg>.ko)
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working-directory: kernel
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run: |
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# Ask the just-built image which kernel tree it installed, then drop the
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# -rpi-vN arch suffix so every package shares one version folder.
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kver=$(docker run --rm --platform linux/arm64 --entrypoint sh \
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"${IMAGE:-iec-kbuild}" -c 'ls -1 /lib/modules | sort -V | tail -n1')
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ver="${kver%-rpi-*}"
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echo "resolved kernel: $kver -> version folder: $ver"
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mkdir -p "out/$ver"
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mv iec_listener.ko "out/$ver/${{ matrix.headers_pkg }}.ko"
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- name: Upload build output
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uses: actions/upload-artifact@v4
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with:
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# Name by headers_pkg so artifact names stay unique; the shared
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# <kernel_version>/ folder is reassembled at download via merge-multiple.
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name: ${{ matrix.headers_pkg }}
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path: kernel/out
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if-no-files-found: error
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# Release flow only: reassembles the <kernel_version>/ folders, wraps them in a
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# single repo-named top folder alongside selftest.sh, zips it and attaches it to
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# the Gitea release for the pushed tag. Skipped entirely on pull requests.
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release:
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needs: build
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if: startsWith(github.ref, 'refs/tags/')
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Download all build output
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uses: actions/download-artifact@v4
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with:
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path: modules
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# Merge every artifact back into the shared <kernel_version>/ tree.
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merge-multiple: true
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- name: Assemble release package
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run: |
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repo="${{ github.event.repository.name }}"
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root="package/$repo"
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mkdir -p "$root"
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cp -r modules/. "$root"/ # <kernel_version>/<headers_pkg>.ko
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cp kernel/selftest.sh "$root"/ # selftest.sh only at the package root
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(cd package && zip -r "../${repo}-${{ github.ref_name }}.zip" "$repo")
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- name: Publish to Gitea release
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uses: actions/gitea-release-action@v1.3.6
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with:
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api_key: ${{ secrets.GITEA_TOKEN }}
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files: |-
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*.zip
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