feat: Use cached kernel

.github/workflows/reusable-build.yml

@@ -3,7 +3,7 @@ on:
   workflow_call:
     inputs:
       fedora_version:
-        description: 'The Fedora release version: 39, 40, etc'
+        description: "The Fedora release version: 39, 40, etc"
         required: true
         type: string
 env:
@@ -161,17 +161,6 @@ jobs:
           containers: akmods-nvidia:${{ matrix.kernel_flavor}}-${{ matrix.fedora_version }}
           registry: ${{ env.IMAGE_REGISTRY }}
 
-      - name: Pull main and akmods-nvidia images
-        uses: Wandalen/wretry.action@v3.5.0
-        with:
-          attempt_limit: 3
-          attempt_delay: 15000
-          command: |
-            # pull the base image used for FROM in containerfile so
-            # we can retry on that unfortunately common failure case
-            podman pull ${{ env.IMAGE_REGISTRY }}/${{ env.SOURCE_IMAGE }}:${{ matrix.fedora_version }}
-            podman pull ${{ env.IMAGE_REGISTRY }}/akmods-nvidia:${{ matrix.kernel_flavor }}-${{ matrix.fedora_version }}
-
       - name: Get current version
         id: labels
         uses: Wandalen/wretry.action@v3.5.0
@@ -187,15 +176,26 @@ jobs:
               exit 1
             fi
             echo "SOURCE_IMAGE_VERSION=$ver" >> $GITHUB_ENV
-
-            skopeo inspect docker://${{ env.IMAGE_REGISTRY }}/akmods-nvidia:${{ matrix.kernel_flavor }}-${{ matrix.fedora_version }} > akmods.json
-            linux=$(jq -r '.Labels["ostree.linux"]' akmods.json)
+            skopeo inspect docker://${{ env.IMAGE_REGISTRY }}/${{ matrix.kernel_flavor }}-kernel:${{ matrix.fedora_version }} > kernel.json
+            linux=$(jq -r '.Labels["ostree.linux"]' kernel.json)
             if [ -z "$linux" ] || [ "null" = "$linux" ]; then
               echo "inspected image linux version must not be empty or null"
               exit 1
             fi
             echo "KERNEL_VERSION=$linux" >> $GITHUB_ENV
 
+      - name: Pull main and akmods-nvidia images
+        uses: Wandalen/wretry.action@v3.5.0
+        with:
+          attempt_limit: 3
+          attempt_delay: 15000
+          command: |
+            # pull the base image used for FROM in containerfile so
+            # we can retry on that unfortunately common failure case
+            podman pull ${{ env.IMAGE_REGISTRY }}/${{ env.SOURCE_IMAGE }}:${{ matrix.fedora_version }}
+            podman pull ${{ env.IMAGE_REGISTRY }}/akmods-nvidia:${{ matrix.kernel_flavor }}-${{ matrix.fedora_version }}
+            podman pull ${{ env.IMAGE_REGISTRY }}/${{ matrix.kernel_flavor}}-kernel:${{ env.KERNEL_VERSION }}
+
       # Build metadata
       - name: Image Metadata
         uses: docker/metadata-action@v5
@@ -226,6 +226,7 @@ jobs:
             SOURCE_IMAGE=${{ env.SOURCE_IMAGE }}
             FEDORA_MAJOR_VERSION=${{ matrix.fedora_version }}
             KERNEL_FLAVOR=${{ matrix.kernel_flavor }}
+            KERNEL_VERSION=${{ env.KERNEL_VERSION }}
             RPMFUSION_MIRROR=${{ vars.RPMFUSION_MIRROR }}
           labels: ${{ steps.meta.outputs.labels }}
           oci: false

Containerfile

@@ -3,6 +3,10 @@ ARG SOURCE_IMAGE="${SOURCE_IMAGE:-silverblue-main}"
 ARG SOURCE_ORG="${SOURCE_ORG:-ublue-os}"
 ARG BASE_IMAGE="ghcr.io/${SOURCE_ORG}/${SOURCE_IMAGE}"
 ARG FEDORA_MAJOR_VERSION="${FEDORA_MAJOR_VERSION:-40}"
+ARG KERNEL_FLAVOR="${KERNEL_FLAVOR:-main}"
+ARG KERNEL_VERSION="${KERNEL_VERSION:-6.9.7-200.fc40.x86_64}"
+
+FROM ghcr.io/${SOURCE_ORG}/${KERNEL_FLAVOR}-kernel:${KERNEL_VERSION} AS kernel
 
 FROM ${BASE_IMAGE}:${FEDORA_MAJOR_VERSION} AS main
 
@@ -11,16 +15,15 @@ ARG KERNEL_FLAVOR="${KERNEL_FLAVOR:-main}"
 ARG IMAGE_NAME="${IMAGE_NAME:-silverblue}"
 ARG IMAGE_VENDOR="${IMAGE_VENDOR:-ublue-os}"
 ARG RPMFUSION_MIRROR=""
+ARG KERNEL_VERSION="${KERNEL_VERSION:-6.9.7-200.fc40.x86_64}"
 
 COPY *.sh /tmp/
 COPY ${KERNEL_FLAVOR}/ /tmp/
+COPY --from=kernel /tmp/rpms /tmp/kernel-rpms/
 
 RUN mkdir -p /var/lib/alternatives && \
     IMAGE_FLAVOR=main /tmp/image-info.sh && \
     /tmp/install.sh && \
-    if [ "${KERNEL_FLAVOR}" != "main" ]; then \
-       /tmp/build-initramfs.sh \
-    ; fi && \
     mv /var/lib/alternatives /staged-alternatives && \
     rm -rf /tmp/* /var/* && \
     ostree container commit && \

install.sh

@@ -27,36 +27,44 @@ fi
 if [ "${KERNEL_FLAVOR}" = "asus" ]; then
     echo "install.sh: steps for KERNEL_FLAVOR: ${KERNEL_FLAVOR}"
     # Install Asus kernel
-    wget https://copr.fedorainfracloud.org/coprs/lukenukem/asus-linux/repo/fedora-${RELEASE}/lukenukem-asus-linux-fedora-${RELEASE}.repo -O /etc/yum.repos.d/_copr_lukenukem-asus-linux.repo
-    wget https://copr.fedorainfracloud.org/coprs/lukenukem/asus-kernel/repo/fedora-${RELEASE}/lukenukem-asus-kernel-fedora-${RELEASE}repo -O /etc/yum.repos.d/_copr_lukenukem-asus-kernel.repo
+    curl -Lo /etc/yum.repos.d/_copr_lukenukem-asus-linux.repo \
+        https://copr.fedorainfracloud.org/coprs/lukenukem/asus-linux/repo/fedora-"${RELEASE}"/lukenukem-asus-linux-fedora-"${RELEASE}".repo
     rpm-ostree cliwrap install-to-root /
     rpm-ostree override replace \
-    --experimental \
-    --from repo=copr:copr.fedorainfracloud.org:lukenukem:asus-kernel \
-        kernel \
-        kernel-core \
-        kernel-modules \
-        kernel-modules-core \
-        kernel-modules-extra
+        --experimental \
+        /tmp/kernel-rpms/kernel-"${KERNEL_VERSION}".rpm \
+        /tmp/kernel-rpms/kernel-core-"${KERNEL_VERSION}".rpm \
+        /tmp/kernel-rpms/kernel-modules-"${KERNEL_VERSION}".rpm \
+        /tmp/kernel-rpms/kernel-modules-core-"${KERNEL_VERSION}".rpm \
+        /tmp/kernel-rpms/kernel-modules-extra-"${KERNEL_VERSION}".rpm
     git clone https://gitlab.com/asus-linux/firmware.git --depth 1 /tmp/asus-firmware
     cp -rf /tmp/asus-firmware/* /usr/lib/firmware/
     rm -rf /tmp/asus-firmware
 elif [ "${KERNEL_FLAVOR}" = "surface" ]; then
     echo "install.sh: steps for KERNEL_FLAVOR: ${KERNEL_FLAVOR}"
+    curl -Lo /etc/yum.repos.d/linux-surface.repo \
+        https://pkg.surfacelinux.com/fedora/linux-surface.repo
+    curl -Lo /tmp/surface-kernel.rpm \
+        https://github.com/linux-surface/linux-surface/releases/download/silverblue-20201215-1/kernel-20201215-1.x86_64.rpm
     # Install Surface kernel
-    wget https://pkg.surfacelinux.com/fedora/linux-surface.repo -P /etc/yum.repos.d
-    wget https://github.com/linux-surface/linux-surface/releases/download/silverblue-20201215-1/kernel-20201215-1.x86_64.rpm -O /tmp/surface-kernel.rpm
     rpm-ostree cliwrap install-to-root /
-    rpm-ostree override replace /tmp/surface-kernel.rpm \
+    rpm-ostree override replace \
+        --experimental \
+        --remove kernel \
         --remove kernel-core \
         --remove kernel-modules \
+        --remove kernel-modules-core \
         --remove kernel-modules-extra \
         --remove libwacom \
         --remove libwacom-data \
-        --install kernel-surface \
-        --install iptsd \
-        --install libwacom-surface \
-        --install libwacom-surface-data
+        /tmp/kernel-rpms/kernel-surface-"${KERNEL_VERSION}".rpm \
+        /tmp/kernel-rpms/kernel-surface-core-"${KERNEL_VERSION}".rpm \
+        /tmp/kernel-rpms/kernel-surface-modules-"${KERNEL_VERSION}".rpm \
+        /tmp/kernel-rpms/kernel-surface-modules-core-"${KERNEL_VERSION}".rpm \
+        /tmp/kernel-rpms/kernel-surface-modules-extra-"${KERNEL_VERSION}".rpm \
+        /tmp/kernel-rpms/kernel-surface-default-watchdog-"${KERNEL_VERSION}".rpm \
+        /tmp/kernel-rpms/libwacom-surface*.rpm \
+        /tmp/kernel-rpms/iptsd*.rpm
 else
     echo "install.sh: steps for unexpected KERNEL_FLAVOR: ${KERNEL_FLAVOR}"
 fi
@@ -94,4 +102,6 @@ if [ -n "${RPMFUSION_MIRROR}" ]; then
     # reset forced use of single rpmfusion mirror
     echo "Revert from single rpmfusion mirror: ${RPMFUSION_MIRROR}"
     rename -v .repo.bak .repo /etc/yum.repos.d/rpmfusion-*repo.bak
-fi
+fi
+
+/tmp/build-initramfs.sh