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We now run repart before starting systemd-nspawn to make sure that
the root partition is also generated when we boot the image in a
container instead of a VM.
To make sure we start from scratch for both the container boot and
the VM boot, we also enable Ephemeral to make sure all changes to
the image are ephemeral.
vsock should work properly after the latest release of mkosi. But
to make sure it works, let's exit with 123 in case of success and
check for that in Github Actions.
Upload results from CIFuzz using SARIF.
This will allow CIFuzz to report issues in the security tab.
This is a better UI than having to look through logs.
TODO(google/oss-fuzz#10452): Add proper descriptions of UBSAN bugs.
We only really care about lowering the device timeout so we get to
a shell faster when the root device doesn't appear so let's only
lower that timeout instead of lowering all default timeouts.
Let's start moving towards a more involved partitioning setup to
test our stuff more when using mkosi.
The root partition is generated on boot with systemd-repart.
CentOS supports neither erofs nor btrfs so we use squashfs and xfs
instead.
We also enable SecureBoot= locally for additional coverage. This
and the use of verity means users need to run `mkosi genkey` once
to generate the keys necessary to do secure boot and verity.
Let's make sure we log more of what mkosi's doing so we can debug
issues better. Note this also makes mkosi set SYSTEMD_LOG_LEVEL=debug
when running programs so we'll get all the systemd debug logging as
well.
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.
Let's use the new support for matching against any distribution in
a list of distributions to start sharing most things between the
ubuntu/debian configs and centos/fedora configs.
follow-up to https://github.com/systemd/systemd/pull/27071
in order to create Github Releases, the job needs permissions to write
contents
also:
- pinned the `softprops/action-gh-release` action to a specific commit
- made it only active on the `systemd` organization repos (so not on
forks)
This also migrates the configuration to the new format that was
just merged in mkosi. Specifically, we make use of the new [Match]
sections to only include specific config snippets per distro.
We have some missing coverage in the CI, all builds enable these features,
but there are often changes and they cover a lot of code. Do one build
without them to ensure we don't break builds.
