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workflows: Add weekly Linux deb build
Signed-off-by: Loïc Minier <[email protected]>
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‎.github/workflows/linux.yml‎

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name: Build Linux kernel deb
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on:
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# run weekly on Monday at 8:30am
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schedule:
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- cron: '30 8 * * 1'
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# allow manual runs
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workflow_dispatch:
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# only need permission to read repository; implicitely set all other
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# permissions to none
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permissions:
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contents: read
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env:
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# where results will be posted/hosted
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FILESERVER_URL: https://quic-yocto-fileserver-1029608027416.us-central1.run.app
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# github runs are only unique per repository and may also be re-run; create a
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# build id for the current run
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BUILD_ID: ${{ github.repository }}-${{ github.run_id }}-${{ github.run_attempt }}
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# cancel in progress builds for this workflow triggered by the same ref
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concurrency:
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group: ${{ github.workflow }}-${{ github.ref }}
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cancel-in-progress: true
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jobs:
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build-linux-deb:
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# for cross-builds
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runs-on: [self-hosted, x86]
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# alternative for native builds, but overkill to do both
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#runs-on: [self-hosted, arm64, debbuilder]
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container:
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image: debian:trixie
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volumes:
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- /srv/gh-runners/quic-yocto/builds:/fileserver-builds
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- /srv/gh-runners/quic-yocto/downloads:/fileserver-downloads
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steps:
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- uses: actions/checkout@v4
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with:
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fetch-depth: 0
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# make sure we have latest packages first, to get latest fixes, to avoid
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# an automated update while we're building, and to prevent version skews
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- name: Update OS packages
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run: |
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set -ux
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apt update
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apt -y upgrade
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apt -y full-upgrade
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- name: Build Linux kernel deb
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run: |
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set -ux
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# download arm64 package lists to install cross build-dependencies
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if [ "$(dpkg --print-architecture)" != arm64 ]; then
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dpkg --add-architecture arm64
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apt update
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fi
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# install build-dependencies; TODO: --no-install-recommends
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apt -y install git crossbuild-essential-arm64 make flex bison bc \
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libelf-dev libssl-dev libssl-dev:arm64 dpkg-dev \
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debhelper-compat kmod python3 rsync coreutils
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scripts/build-linux-deb.sh
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- name: Upload results to fileserver
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run: |
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set -ux
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# dcmd from devscripts will be used to parse .changes file
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apt -y install --no-install-recommends devscripts
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# curl will be used to talk to fileserver; should be installed by
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# default
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apt -y install curl
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# copy to fileserver builds and downloads directories
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for dir in "/fileserver-builds/${BUILD_ID}" \
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"/fileserver-downloads/qcom-deb-images/linux-deb-latest"; do
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mkdir -vp "${dir}"
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cp -av `dcmd *.changes` "${dir}"
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done
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# perhaps help NFS sync
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sync
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# instruct fileserver to publish this directory
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url="${FILESERVER_URL}/${BUILD_ID}/"
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curl -X POST -H 'Accept: text/event-stream' "${url}"

‎scripts/build-linux-deb.sh‎

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#!/bin/sh
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set -eu
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# git repo/branch to use
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GIT_REPO="https://github.com/torvalds/linux"
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GIT_BRANCH="master"
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# base config to use
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CONFIG="defconfig"
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# extra configs to set
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# systemd-boot won't implement support for compressed images (zImage); see
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# https://github.com/systemd/systemd/issues/23788
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EXTRA_CONFIGS="CONFIG_EFI_ZBOOT=y"
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log_i() {
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echo "I: $*" >&2
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}
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fatal() {
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echo "F: $*" >&2
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exit 1
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}
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# needed to clone repository
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packages="git"
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# will pull gcc-aarch64-linux-gnu; should pull a native compiler on arm64 and
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# a cross-compiler on other architectures
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packages="${packages} crossbuild-essential-arm64"
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# linux build-dependencies
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packages="${packages} make flex bison bc libelf-dev libssl-dev libssl-dev:arm64"
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# linux build-dependencies for debs
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packages="${packages} dpkg-dev debhelper-compat kmod python3 rsync"
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# for nproc
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packages="${packages} coreutils"
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log_i "Checking build-dependencies ($packages)"
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missing=""
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for pkg in ${packages}; do
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# check if package with this name is installed
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if dpkg -l "${pkg}" 2>&1 | grep -q "^ii ${pkg}"; then
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continue
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fi
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# otherwise, check if it's a virtual package and if some package providing
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# it is installed
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providers="$(apt-cache showpkg "${pkg}" |
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sed -e '1,/^Reverse Provides: *$/ d' -e 's/ .*$//' |
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sort -u)"
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provider_found="no"
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for provider in ${providers}; do
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if dpkg -l "${provider}" 2>&1 | grep -q "^ii ${provider}"; then
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provider_found="yes"
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break
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fi
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done
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if [ "${provider_found}" = yes ]; then
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continue
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fi
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missing="${missing} ${pkg}"
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done
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if [ -n "${missing}" ]; then
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fatal "Missing build-dependencies: ${missing}"
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fi
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log_i "Cloning Linux (${GIT_REPO}:${GIT_BRANCH})"
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git clone --depth=1 --branch "${GIT_BRANCH}" "${GIT_REPO}" linux
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cd linux
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log_i "Configuring Linux (${CONFIG}, ${EXTRA_CONFIGS})"
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rm -vf kernel/configs/local.config
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touch kernel/configs/local.config
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for c in ${EXTRA_CONFIGS}; do
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echo "${c}" >>kernel/configs/local.config
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done
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make ARCH=arm64 "${CONFIG}" local.config
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log_i "Building Linux deb"
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# TODO: build other packages?
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make -j$(nproc) \
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ARCH=arm64 DEB_HOST_ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- \
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bindeb-pkg
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