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mkosi now supports -R to rerun build scripts without rebuilding the
image so let's document that instead of the current hack to prevent
the rebuild by changing the output format.
(cherry picked from commit 031a474c916758f906ed556c7d2ea3e92ff481a6)
In https://github.com/systemd/mkosi/pull/3497, mkosi has started parsing
options passed after the verb as regular mkosi options instead of options
for the invoked command. We adapt to this change by adding '--' as a delimiter
everywhere where required.
(cherry picked from commit b429f82eaf774d9b9f67c201770074a9ec72647e)
This is advanced level stuff that regular contributors don't care
about in the slightest, so move it further down. Also reword the
section a little while we're at it.
(cherry picked from commit f017a5521305987fdeadf85b975b8ed44a9950b6)
This isn't relevant for regular development, so let's move it to a
separate section.
(cherry picked from commit 728a88e54998d143287ffe89faaeb9512cdf24e1)
The test commands now use mkosi sandbox which always makes sure the
required dependencies for systemd-journal-remote are enabled so no
need to reconfigure meson explicitly anymore.
(cherry picked from commit 284a56ff60bc8ff90c7f0e0614b1c30edd875288)
The journal isn't the best at being fast, especially when writing
to disk and not to memory, which can cause integration tests to
grind to a halt on beefy systems due to all the systemd-journal-remote
instances not being able to write journal entries to disk fast enough.
Let's introduce an option to allow writing in progress test journals
to use /tmp which can be used on beefy systems with lots of memory to
speed things up.
(cherry picked from commit e49fdecd161b3d391e55311652fda3220d851fa1)
When running the integration tests downstream, it's useful to be
able to test that a new systemd version doesn't introduce any AVC
denials, so let's add a knob to make that possible.
(cherry picked from commit de19520ec979902fd457515d1a795210fdaedf93)
Otherwise, we get the following warning:
mkosi.local.conf: Setting Environment should be configured in [Build], not [Content].
(cherry picked from commit 78ef3959474a760679e50eb57b52563cb6f9b66d)
We put a timeline of 257 to remove the old bash test runner so since
we're about to release 257, let's remove the old bash test runner in
favor of the meson + mkosi test runner.
We want to make sure the integration tests that don't require qemu
can run successfully both in an nspawn container and in a qemu VM.
So let's add one more knob TEST_PREFER_QEMU=1 to run jobs that normally
require nspawn in qemu instead.
Running these tests in qemu is also possible by not running as root but
that's very implicit so we add an explicit knob instead to make it explicit
that we want to run these in qemu instead of nspawn.
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.
Let's document in detail how to build the integration test image and run
the integration tests without building systemd. To streamline the process,
we stop automatically using binaries from build/ when invoking mkosi directly
and don't automatically use a tools tree anymore if systemd on the host is too
old. Instead, we document these options in HACKING.md and change the mkosi meson
target to automatically use the current build directory as an extra binary search
path for mkosi.
We cannot mark a test suite as excluded by default in meson. Instead,
let's require that SYSTEMD_INTEGRATION_TESTS=1 and skip any integration
test if it's not set. This is effectively the same as excluding it by
default. If the integration-test option is enabled, we'll set the
environment variable by default, just like we do with SYSTEMD_SLOW_TESTS
and the slow-tests meson option.
- Stop using logging module since the default output formatting is
pretty bad. Prefer print() for now.
- Log less, logging the full mkosi command line is rather verbose,
especially when it contains multi-line dropins.
- Streamline the journalctl command we output for debugging failed
tests.
- Don't force usage of the disk image format.
- Don't force running without unit tests.
- Don't force disabling RuntimeBuildSources.
- Update documentation to streamline the command for running a single
test and remove sudo as it's not required anymore.
- Improve the console output by having the test unit's output logged
to both the journal and the console.
- Disable journal console log forwarding as we have journal forwarding
as a better alternative.
- Delete existing journal file before running test.
- Delete journal files of succeeded tests to reduce disk usage.
- Rename system_mkosi target to just mkosi
- Pass in mkosi source directory explicitly to accomodate arbitrary
build directory locations.
- Add test interactive debugging if stdout is connected to a tty
- Stop explicitly using the 'system' image since it'll likely be
dropped soon.
- Only forward journal if we're not running in debugging mode.
- Stop using testsuite.target and instead just add the necessary
extras to the main testsuite unit via the credential dropin.
- Override type to idle so test output is not interleaved with
status output.
- Don't build mkosi target by default
- Always add the mkosi target if mkosi is found
- Remove dependency of the integration tests on the mkosi target
as otherwise the image is always built, even though we configure
it to not be built by default.
- Move mkosi output, cache and build directory into build/ so that
invocations from meson and regular invocations share the same
directories.
- Various aesthetic cleanups.
This requires a Coverity license, so the usefulness of the instructions
is somewhat limited, but at least I won't have to re-discover everything
from scratch when I need to debug something Coverity-related again in the
future.
KERNEL_APPEND="systemd.unit=multi-user.target" is not very useful, because the
machine will still shut down as soon as the tests succeeds or fails. But
INTERACTIVE_DEBUG=1 works great, so let's simplify the instructions and
recommend that.
In most cases we refernced the concept as "initrd". Let's convert most
remaining uses of "initramfs" to "initrd" too, to stay internally
consistent.
This leaves "initramfs" only where it's relevant to explain historical
concepts or where "initramfs" is part of the API (i.e. in
/run/initramfs).
Follow-up for: b66a6e1a5838b874b789820c090dd6850cf10513
We used both "qemu" and "QEMU", let's use the lower-case version everywhere
since it's also the name of the binary and the version that people are
most familiar with.
The stuff under test/ is not only for the integeration tests, but also
for various other test-related stuff, so adjust the docs a bit.
Every time I need it I have to first relearn autopkgtest and find where
all the necessary stuff lives, so let's document it somewhere close to
systemd for (at least) future me.
