Cache Kernels #351
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name: Cache Kernels | |
on: | |
merge_group: | |
schedule: | |
- cron: "5 0 * * *" # 0005 UTC everyday | |
workflow_dispatch: | |
pull_request: | |
branches: | |
- main | |
paths-ignore: | |
- '.github/workflows/cleanup*.yml' | |
env: | |
IMAGE_REGISTRY: ghcr.io/${{ github.repository_owner }} | |
concurrency: | |
group: ${{ github.workflow }}-${{ github.ref || github.run_id }}-${{ inputs.fedora_version }} | |
cancel-in-progress: true | |
jobs: | |
build: | |
name: kernel-cache | |
runs-on: ubuntu-24.04 | |
permissions: | |
contents: read | |
packages: write | |
id-token: write | |
strategy: | |
fail-fast: false | |
matrix: | |
kernel_flavor: | |
- asus | |
- fsync | |
- fsync-ba | |
- bazzite | |
- surface | |
- main | |
- coreos-stable | |
- coreos-testing | |
fedora_version: | |
- 40 | |
- 41 | |
exclude: | |
- fedora_version: 41 | |
kernel_flavor: fsync | |
- fedora_version: 41 | |
kernel_flavor: fsync-ba | |
- fedora_version: 40 | |
kernel_flavor: bazzite | |
- fedora_version: 40 | |
kernel_flavor: coreos-testing | |
- fedora_version: 41 | |
kernel_flavor: surface | |
steps: | |
- name: Checkout Push to Registry action | |
uses: actions/checkout@v4 | |
- name: Pull Image | |
uses: Wandalen/[email protected] | |
with: | |
attempt_limit: 3 | |
attempt_delay: 15000 | |
command: | | |
build_image="quay.io/fedora/fedora:${{ matrix.fedora_version }}" | |
echo "build_image=$build_image" >> "$GITHUB_ENV" | |
podman pull "$build_image" | |
- name: Get Kernel Version | |
id: Version | |
uses: Wandalen/[email protected] | |
with: | |
attempt_limit: 3 | |
attempt_delay: 15000 | |
command: | | |
if [[ ${{ matrix.kernel_flavor }} =~ asus|fsync|fsync-ba|surface ]]; then | |
container_name="fq-$(uuidgen)" | |
dnf="podman exec $container_name dnf" | |
podman run --entrypoint /bin/bash --name "$container_name" -dt "${{ env.build_image }}" | |
$dnf install -y dnf-plugins-core | |
fi | |
coreos_kernel () { | |
coreos_version=${1} | |
image_linux=$(skopeo inspect docker://quay.io/fedora/fedora-coreos:${coreos_version} | jq -r '.Labels["ostree.linux"]') | |
# Pin a kernel here, gross workaround TODO: Make this cleaner | |
# if [[ "${{ matrix.kernel_flavor }}" == "coreos-stable" ]]; then | |
# image_linux="6.11.3-300.fc41.x86_64" | |
# fi | |
major_minor_patch=$(echo $image_linux | grep -oP '^\d+\.\d+\.\d+') | |
kernel_rel_part=$(echo $image_linux | grep -oP '^\d+\.\d+\.\d+\-\K([123][0]{2})') | |
arch=$(echo $image_linux | grep -oP 'fc\d+\.\K.*$') | |
kernel_rel="$kernel_rel_part.fc${{ matrix.fedora_version }}" | |
kernel_version="$major_minor_patch-$kernel_rel.$arch" | |
URL="https://kojipkgs.fedoraproject.org/packages/kernel/"$major_minor_patch"/"$kernel_rel"/"$arch"/kernel-"$kernel_version".rpm" | |
echo "Querying koji for ${coreos_version} kernel: $kernel_version" | |
echo "$URL" | |
HTTP_RESP=$(curl -sI "$URL" | grep ^HTTP) | |
linux="" | |
if grep -qv "200 OK" <<< "${HTTP_RESP}"; then | |
echo "Koji failed to find $coreos_version kernel: $kernel_version" | |
case "$kernel_rel_part" in | |
"300") | |
kernel_rel_part="200" | |
;; | |
"200") | |
kernel_rel_part="100" | |
;; | |
"100") | |
;; | |
*) | |
echo "unexpected kernel_rel_part ${kernel_rel_part}" | |
;; | |
esac | |
kernel_rel="$kernel_rel_part.fc${{ matrix.fedora_version }}" | |
kernel_version="$major_minor_patch-$kernel_rel.$arch" | |
URL="https://kojipkgs.fedoraproject.org/packages/kernel/"$major_minor_patch"/"$kernel_rel"/"$arch"/kernel-"$kernel_version".rpm" | |
echo "Re-querying koji for ${coreos_version} kernel: $kernel_version" | |
echo "$URL" | |
HTTP_RESP=$(curl -sI "$URL" | grep ^HTTP) | |
if grep -qv "200 OK" <<< "${HTTP_RESP}"; then | |
echo "Koji failed to find $coreos_version kernel: $kernel_version" | |
fi | |
fi | |
if grep -q "200 OK" <<< "${HTTP_RESP}"; then | |
linux=$kernel_version | |
fi | |
} | |
case ${{ matrix.kernel_flavor }} in | |
"asus") | |
$dnf copr enable -y lukenukem/asus-kernel | |
linux=$($dnf repoquery --repoid copr:copr.fedorainfracloud.org:lukenukem:asus-kernel --whatprovides kernel | sort -V | tail -n1 | sed 's/.*://') | |
;; | |
"fsync") | |
$dnf copr enable -y sentry/kernel-fsync | |
linux=$($dnf repoquery --repoid copr:copr.fedorainfracloud.org:sentry:kernel-fsync --whatprovides kernel | sort -V | tail -n1 | sed 's/.*://') | |
;; | |
"fsync-ba") | |
$dnf copr enable -y sentry/kernel-ba | |
linux=$($dnf repoquery --repoid copr:copr.fedorainfracloud.org:sentry:kernel-ba --whatprovides kernel | sort -V | tail -n1 | sed 's/.*://') | |
;; | |
"bazzite") | |
latest="$(curl "https://api.github.com/repos/hhd-dev/kernel-bazzite/releases/latest" )" | |
linux=$(echo -E "$latest" | jq -r '.assets[].name' | grep -E 'kernel-.*.rpm' | grep "fc${{ matrix.fedora_version }}.x86_64" | head -1 | sed "s/kernel-//g" | sed "s/.rpm//g" ) | |
build_tag=$(echo -E $latest | jq -r '.tag_name') | |
;; | |
"surface") | |
$dnf config-manager --add-repo=https://pkg.surfacelinux.com/fedora/linux-surface.repo | |
linux=$($dnf repoquery --repoid linux-surface --whatprovides kernel-surface | sort -V | tail -n1 | sed 's/.*://') | |
;; | |
"main") | |
linux=$(skopeo inspect docker://quay.io/fedora-ostree-desktops/base:${{ matrix.fedora_version }} | jq -r '.Labels["ostree.linux"]' ) | |
;; | |
"coreos-stable") | |
coreos_kernel stable | |
;; | |
"coreos-testing") | |
coreos_kernel testing | |
;; | |
*) | |
echo "unexpected kernel_flavor '${{ matrix.kernel_flavor }}' for query" | |
;; | |
esac | |
if [ -z "$linux" ] || [ "null" = "$linux" ]; then | |
echo "inspected image linux version must not be empty or null" | |
exit 1 | |
fi | |
major=$(echo "$linux" | cut -d '.' -f 1) | |
minor=$(echo "$linux" | cut -d '.' -f 2) | |
patch=$(echo "$linux" | cut -d '.' -f 3) | |
kernel_major_minor_patch="${major}.${minor}.${patch}" | |
echo "Kernel Version is ${linux}" | |
echo "kernel_release=${linux}" >> $GITHUB_ENV | |
echo "kernel_build_tag=${build_tag}" >> $GITHUB_ENV | |
echo "kernel_major_minor_patch=${kernel_major_minor_patch}" >> $GITHUB_ENV | |
- name: Generate Tags | |
id: generate_tags | |
shell: bash | |
run: | | |
tag="${{ env.kernel_release }}" | |
short_tag=$(echo ${{ env.kernel_major_minor_patch }} | cut -d "-" -f 1) | |
COMMIT_TAGS=() | |
COMMIT_TAGS+=("pr-${{ github.event.number }}-${{ matrix.fedora_version }}") | |
COMMIT_TAGS+=("pr-${{ github.event.number }}-${{ matrix.fedora_version }}-${short_tag}") | |
COMMIT_TAGS+=("pr-${{ github.event.number }}-${{ matrix.fedora_version }}-${tag}") | |
COMMIT_TAGS+=("pr-${{ github.event.number }}-${tag}") | |
COMMIT_TAGS+=("${GITHUB_SHA::7}-${{ matrix.fedora_version }}") | |
COMMIT_TAGS+=("${GITHUB_SHA::7}-${{ matrix.fedora_version }}-${short_tag}") | |
COMMIT_TAGS+=("${GITHUB_SHA::7}-${{ matrix.fedora_version }}-${tag}") | |
COMMIT_TAGS+=("${GITHUB_SHA::7}-${tag}") | |
BUILD_TAGS=() | |
BUILD_TAGS+=("${{ matrix.fedora_version }}") | |
BUILD_TAGS+=(${{ matrix.fedora_version }}-${short_tag}) | |
BUILD_TAGS+=(${{ matrix.fedora_version }}-${tag}) | |
BUILD_TAGS+=(${tag}) | |
if [[ "${{ github.event_name }}" == "pull_request" ]]; then | |
# echo "Generated the following commit tags: " | |
# for TAG in "${COMMIT_TAGS[@]}"; do | |
# echo "${TAG}" | |
# done | |
alias_tags=("${COMMIT_TAGS[@]}") | |
else | |
alias_tags=("${BUILD_TAGS[@]}") | |
fi | |
echo "Generated the following tags: " | |
for TAG in "${alias_tags[@]}"; do | |
echo "${TAG}" | |
done | |
echo "alias_tags=${alias_tags[*]}" >> $GITHUB_OUTPUT | |
echo "date=$(date '+%Y%m%d.0')" >> $GITHUB_ENV | |
- name: Build Metadata | |
uses: docker/metadata-action@v5 | |
id: meta | |
with: | |
images: | | |
${{ matrix.kernel_flavor }}-kernel | |
labels: | | |
org.opencontainers.image.title=${{ matrix.kernel_flavor }} cached kernel | |
org.opencontainers.image.description=A caching layer for kernels. Contains ${{ matrix.kernel_flavor }} kernel. | |
org.opencontainers.image.version=${{ env.kernel_release}}.${{ env.date }} | |
ostree.linux=${{ env.kernel_release }} | |
io.artifacthub.package.readme-url=https://raw.githubusercontent.com/${{ github.repository }}/main/README.md | |
io.artifacthub.package.logo-url=https://avatars.githubusercontent.com/u/1728152?s=200&v=4 | |
- name: Retrieve Signing Key | |
if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || github.event_name == 'merge_group' | |
shell: bash | |
run: | | |
mkdir -p certs | |
if [[ "${{ github.event_name }}" == 'pull_request' ]]; then | |
echo "This should not have run... exiting..." | |
exit 1 | |
else | |
echo "${{ secrets.KERNEL_PRIVKEY }}" > certs/private_key.priv | |
echo "${{ secrets.AKMOD_PRIVKEY_20230518 }}" > certs/private_key_2.priv | |
# DEBUG: get character count of key | |
wc -c certs/private_key.priv | |
wc -c certs/private_key_2.priv | |
fi | |
- name: Build Image | |
id: build_image | |
uses: redhat-actions/buildah-build@v2 | |
with: | |
containerfiles: | | |
./Containerfile | |
image: ${{ matrix.kernel_flavor }}-kernel | |
tags: ${{ steps.generate_tags.outputs.alias_tags }} | |
build-args: | | |
FEDORA_VERSION=${{ matrix.fedora_version }} | |
KERNEL_VERSION=${{ env.kernel_release }} | |
KERNEL_BUILD_TAG=${{ env.kernel_build_tag }} | |
KERNEL_FLAVOR=${{ matrix.kernel_flavor }} | |
DUAL_SIGN=true | |
labels: ${{ steps.meta.outputs.labels }} | |
oci: false | |
- name: Check Secureboot Signatures | |
shell: bash | |
run: | | |
set -x | |
if [[ ! $(command -v sbverify) || ! $(command -v curl) || ! $(command -v openssl) || ! $(command -v rpm2cpio) ]]; then | |
sudo apt update | |
sudo apt install sbsigntool curl openssl rpm2cpio | |
fi | |
podman create --name "${{ matrix.kernel_flavor}}"-kernel-"$(echo "${{ steps.generate_tags.outputs.alias_tags }}" | cut -d " " -f 1)" "${{ matrix.kernel_flavor}}"-kernel:$(echo "${{ steps.generate_tags.outputs.alias_tags }}" | cut -d " " -f 1) sh | |
podman export "${{ matrix.kernel_flavor}}"-kernel-"$(echo "${{ steps.generate_tags.outputs.alias_tags }}" | cut -d " " -f 1)" > /tmp/"${{ matrix.kernel_flavor}}"-kernel-"$(echo "${{ steps.generate_tags.outputs.alias_tags }}" | cut -d " " -f 1)".tar | |
tar xvf /tmp/"${{ matrix.kernel_flavor}}"-kernel-"$(echo "${{ steps.generate_tags.outputs.alias_tags }}" | cut -d " " -f 1)".tar -C /tmp | |
cd /tmp/tmp/rpms/ | |
if [[ "${{ matrix.kernel_flavor }}" == "surface" ]]; then | |
rpm2cpio kernel-surface-core-"${{ env.kernel_release }}".rpm | cpio -idmv | |
else | |
rpm2cpio kernel-core-"${{ env.kernel_release }}".rpm | cpio -idmv | |
fi | |
cd ./lib/modules/"${{ env.kernel_release }}"/ | |
sbverify --list vmlinuz | |
if [[ "${{ github.event_name }}" == "pull_request" ]]; then | |
curl --retry 3 -Lo kernel-sign.der https://github.com/ublue-os/kernel-cache/raw/main/certs/public_key.der.test | |
curl --retry 3 -Lo akmods.der https://github.com/ublue-os/kernel-cache/raw/main/certs/public_key_2.der.test | |
else | |
curl --retry 3 -Lo kernel-sign.der https://github.com/ublue-os/kernel-cache/raw/main/certs/public_key.der | |
curl --retry 3 -Lo akmods.der https://github.com/ublue-os/kernel-cache/raw/main/certs/public_key_2.der | |
fi | |
openssl x509 -in kernel-sign.der -out kernel-sign.crt | |
openssl x509 -in akmods.der -out akmods.crt | |
sbverify --cert kernel-sign.crt vmlinuz || exit 1 | |
sbverify --cert akmods.crt vmlinuz || exit 1 | |
cd $HOME | |
- name: Lowercase Registry | |
id: registry_case | |
uses: ASzc/change-string-case-action@v6 | |
with: | |
string: ${{ env.IMAGE_REGISTRY }} | |
- name: Push to GHCR | |
uses: Wandalen/[email protected] | |
id: push | |
if: github.event_name != 'pull_request' | |
env: | |
REGISTRY_USER: ${{ github.actor }} | |
REGISTRY_PASSWORD: ${{ github.token }} | |
with: | |
action: redhat-actions/push-to-registry@v2 | |
attempt_limit: 3 | |
attempt_delay: 15000 | |
with: | | |
image: ${{ steps.build_image.outputs.image }} | |
tags: ${{ steps.build_image.outputs.tags }} | |
registry: ${{ steps.registry_case.outputs.lowercase }} | |
username: ${{ env.REGISTRY_USER }} | |
password: ${{ env.REGISTRY_PASSWORD }} | |
extra-args: | | |
--disable-content-trust | |
- name: Login to GitHub Container Registry | |
uses: docker/login-action@v3 | |
if: github.event_name != 'pull_request' | |
with: | |
registry: ghcr.io | |
username: ${{ github.actor }} | |
password: ${{ secrets.GITHUB_TOKEN }} | |
# Sign container | |
- uses: sigstore/[email protected] | |
if: github.event_name != 'pull_request' | |
- name: Sign container image | |
if: github.event_name != 'pull_request' | |
run: | | |
cosign sign -y --key env://COSIGN_PRIVATE_KEY ${{ steps.registry_case.outputs.lowercase }}/${{ steps.build_image.outputs.image }}@${TAGS} | |
env: | |
TAGS: ${{ steps.push.outputs.outputs && fromJSON(steps.push.outputs.outputs).digest }} | |
COSIGN_EXPERIMENTAL: false | |
COSIGN_PRIVATE_KEY: ${{ secrets.SIGNING_SECRET }} | |
- name: Echo outputs | |
if: github.event_name != 'pull_request' | |
run: | | |
echo "${{ toJSON(steps.push.outputs) }}" | |
check: | |
name: Check all builds successful | |
runs-on: ubuntu-latest | |
needs: [build] | |
steps: | |
- name: Exit on failure | |
if: ${{ needs.build.result == 'failure' }} | |
shell: bash | |
run: exit 1 | |
- name: Exit | |
shell: bash | |
run: exit 0 |