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When building unprivileged, the testuser home directory ends up
owned by root:root because mkosi can't chown directories to other
owners when running unprivileged. So let's fix up the testuser
ownership on first boot with tmpfiles instead.
We generally don't care about library debuginfo so let's just disable
debuginfod so it doesn't get in the way when debugging.
We use /root/.gdbinit as the systemwide gdbinit location is distribution
specific.
Rebuilding the integration test every time is very slow. Let's
introduce a way to iterate on an integration test without rebuilding
the image every time. By making a btrfs snapshot before we run the
integration test, we can then systemctl soft-reboot after running
the test to restore the rootfs to a pristine state before running
the test again.
As /run/nextroot will get nuked on reboot or soft-reboot, we introduce
a tmpfiles snippet to make sure it is recreated every (soft-)reboot
and adapt the existing tests to deal with this new symlink.
- Stop installing the policy in the initramfs as it's not really
supported anyway (https://github.com/fedora-selinux/selinux-policy/issues/2221)
- Stop relabeling on first boot and prefer to do it at image build time
- Disable mkosi relabeling by default but enable it in CI
- Build image as root in CI so the SELinux relabeling works properly
In https://github.com/systemd/mkosi/pull/2847, the '@' specifier is
removed, CLI arguments take priority over configuration files again
and the "main" image is defined at the top level instead of in
mkosi.images/. Additionally, not every setting from the top level
configuration is inherited by the images in mkosi.images/ anymore,
only settings which make sense to be inherited are inherited.
This commit gets rid of all the usages of '@', moves the "main" image
configuration from mkosi.images/system to the top level and gets rid
of various hacks we had in place to deal with quirks of the old
configuration parsing logic.
We also remove usages of Images= and --append as these options are
removed by the mentioned PR.
Instead of building the initrds for the mkosi images with dracut,
let's switch to using mkosi presets to build the initrd with mkosi
as well.
This commit splits up our single image build into three separate
mkosi presets:
1. The "base" preset. This image contains systemd and all its runtime
dependencies. The sole purpose of this image is to serve as a base image
for the initrd and the final image. It's also responsible for building
systemd from source with the build script. The results are installed into
the base image. Note that we install the systemd and udev packages into this
image as well to prevent package managers from overriding the systemd we built
from source with the distro packaged systemd if it's pulled in as a dependency
by another package from the initrd or final profiles.
2. The "initrd" preset. This image provides the initrd. It's trivial and does
nothing more than packaging the base image up as a zstd compressed initramfs and
adds /init and /etc/initrd-release symlinks to the image.
3. The "final" preset. This image builds on top of the base image and adds
a kernel and extra packages that are useful for testing and debugging.
We also split out the optional kernel build into a separate set of config files
that are only included if a kernel to build is actually provided.
Note that this commit doesn't really change anything about how mkosi is used.
The commands remain the same, except that mkosi will now build all the presets
in order. "mkosi summary" will show the summary of all the presets. "mkosi qemu,
boot, shell" will always boot the final preset. With "-f", all presets will be
built and the final one is booted. "-i" makes a cache of each preset.
The only thing to keep in mind is that specifying config via the mkosi CLI will
apply to each of the presets. e.g. any extra packages added with "-p" will be
installed in both the initrd and the final image. To apply local configuration
to a single preset, create a file 00-local.conf in
mkosi.presets/<profile>/mkosi.conf.d and put all the preset specific configuration
in there.
- Drop Netdev= as it was removed in mkosi
- Always install python-psutil in the final image (required for networkd tests)
- Always Install python-pytest in the final image (required for ukify tests)
- Use the narrow glob for all centos python packages
- Drop the networkd mkosi config files (the default image can be used instead)
- Use ".conf" as the mkosi config file suffix everywhere
- Copy src/ to /root/src in the final image and set gdb substitute path in
.gdbinit to make gdb work properly
Let's move stuff that only applies to the final image to the
postinst script. Let's also move out some of the static files to
mkosi.extra/ instead of hardcoding them in scripts.
