update-kernel/Dockerfile

FROM alt:sisyphus

# Trace execution.
SHELL ["/bin/bash", "-xec"]

ENV UPDATE_KERNEL_SYS_FLAVOUR=std-def

ARG branch=sisyphus
ARG repo=http://ftp.altlinux.org/pub/distributions/archive/$branch/date
ARG a=2022/05/19
ARG b=2022/06/12

# Initialize the system and start from some arbitrary date.
# update-kernel is installed just for dependencies.
RUN \
    echo "rpm $repo/$a/ x86_64 classic" >  /etc/apt/sources.list && \
    echo "rpm $repo/$a/ noarch classic" >> /etc/apt/sources.list && \
    rm /etc/apt/sources.list.d/*.list && \
    apt-get update && \
    apt-get install -y update-kernel toilet dkms

# Overwrite update-kernel with the local copy.
# Docker will notice and rebuild if files are changed.
COPY update-kernel remove-old-kernels /usr/sbin/

# Install base kernel for upgrading later.
# Check if the kernel appeared.
RUN toilet -w 150 First install && \
    update-kernel -v -f --headers -A lkrg && \
    ls -l /boot/vmlinuz /boot/vmlinuz-std-def /boot/initrd.img /boot/initrd-std-def.img && \
    ls -l /boot/$(readlink /boot/vmlinuz)

# Second call should succeed not installing anything, thus
# no -f for it to fail if it will try to install something.
RUN update-kernel -v -t std-def 

# Forward to some future.
RUN \
    echo "rpm $repo/$b/ x86_64 classic" >  /etc/apt/sources.list && \
    echo "rpm $repo/$b/ noarch classic" >> /etc/apt/sources.list && \
    apt-get update

# Update kernel.
RUN toilet Upgrading && \
    update-kernel -v -f && \
    update-kernel -v -l && \
    ls -la /boot

RUN remove-old-kernels --all --verbose --force

COPY analyze-kmodules /usr/sbin/

# There now should be two kernels.