Containerfile.zfs

###
### Containerfile.zfs - used to build ONLY ZFS kmod
###

ARG FEDORA_MAJOR_VERSION="${FEDORA_MAJOR_VERSION:-40}"
ARG KERNEL_FLAVOR="${KERNEL_FLAVOR:-coreos-stable}"
ARG KERNEL_IMAGE="${KERNEL_IMAGE:-${KERNEL_FLAVOR}-kernel}"
ARG KERNEL_ORG="${KERNEL_ORG:-ublue-os}"
ARG KERNEL_BASE="ghcr.io/${KERNEL_ORG}/${KERNEL_IMAGE}:${FEDORA_MAJOR_VERSION}"
ARG BUILDER_IMAGE="${BUILDER_IMAGE:-quay.io/fedora/fedora}"
ARG BUILDER_BASE="${BUILDER_IMAGE}:${FEDORA_MAJOR_VERSION}"
FROM ${KERNEL_BASE} AS kernel_cache
FROM ${BUILDER_BASE} AS builder

ARG FEDORA_MAJOR_VERSION="${FEDORA_MAJOR_VERSION:-40}"
ARG KERNEL_FLAVOR="${KERNEL_FLAVOR:-coreos-stable}"
ARG DUAL_SIGN="true"
ARG RPMFUSION_MIRROR=""
ARG ZFS_MINOR_VERSION="${ZFS_MINOR_VERSION:-2.2}"

COPY build*.sh dual-sign*.sh /tmp/
COPY certs /tmp/certs

# cached kernel rpms
COPY --from=kernel_cache /tmp/rpms /tmp/kernel_cache

# Set kernel name
RUN --mount=type=cache,dst=/var/cache/dnf \
    /tmp/build-prep.sh && \
    if grep -qv "surface" <<< "${KERNEL_FLAVOR}"; then \
        export KERNEL_NAME="kernel" \
    ; else \
        export KERNEL_NAME="kernel-surface" \
    ; fi && \
    /tmp/build-kmod-zfs.sh && \
    /tmp/dual-sign-zfs.sh

# Remove kernel version from kmod package names
# FIXME: The sed is a gross hack, maybe PR upstream?
RUN set -e; \
    sed -i -e 's/args = \["rpmbuild", "-bb"\]/args = \["rpmbuild", "-bb", "--buildroot", "#{build_path}\/BUILD"\]/g' /usr/local/share/gems/gems/fpm-*/lib/fpm/package/rpm.rb; \
    kernel_version=$(rpm -q --qf "%{VERSION}-%{RELEASE}.%{ARCH}\n" kernel-core | head -n 1); \
    for rpm in $(find /var/cache/rpms/kmods -type f -name \*.rpm); do \
        basename=$(basename ${rpm}); \
        name=${basename%%-${kernel_version}*}; \
        if [[ "$basename" == *"$kernel_version"* ]]; then \
            fpm --verbose -s rpm -t rpm -p ${rpm} -f --name ${name} ${rpm}; \
        else \
            echo "Skipping $basename rebuild as its name does not contain $kernel_version"; \
        fi; \
    done

FROM scratch

COPY --from=builder /var/cache/rpms /rpms