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When the interpeter is missing, we get an exit code of 127. Let's treat those
tests as skipped too. If we could run the test far enough so that it could do
the check itself, it would return 77 anyway.
$ test/asdf; echo $?
exec: Failed to execute process 'test/asdf': The file specified the interpreter '/bin/asdf', which is not an executable command.
127
$ test/asdf; echo $?
/usr/bin/env: ‘/bin/asdf’: No such file or directory
127
This should resolve the problem that TEST-02 fails or Debian's 'unit-tests' fail
when python3 is not installed. Installing python3 via the mechanism that is
used to construct TEST images, i.e. the dracut dependency chasing scheme, would
be a lot of work for python with its modules in multiple locations and hundreds
of little files. So I think it OK to just skip the test there, and also in
other cases where python is not available.
As part of the build, we would populate build/test/sys/ using
sys-script.py, and then udev-test.p[ly] would create a tmpfs instance
on build/test/tmpfs and copy the sys tree to build/test/tmpfs/sys.
Also, we had udev-test.p[ly] which called test-udev. test-udev was
marked as a manual test and installed, but neither udev-test.p[ly] or
sys-script.py were.
test-udev is renamed to udev-rule-runner, which reduces confusion and
frees up the test-udev name. udev-test.py is renamed to test-udev.py.
All three files are now installed.
test-udev.py is modified to internally call sys-script.py to set up the
sys tree. Copying and creating it from scratch should take the same
amount of time. We avoid having a magic directory, everything is now
done underneath a temporary directory.
test-udev.py is now a normal installed test, and run-unit-tests.py will
pick it up. When test-udev.py is invoked from meson, the path to
udev-rule-runner is passed via envvar; when it is invoked via
run-unit-tests.py or directly, it looks for udev-rule-runner in a relative
path.
The goal of this whole change is to let Debian drop the 'udev' test.
It called sys-script.py and udev-test.pl from the source directory and
had to recreate a bunch of the logic. Now test-udev.py will now be called
via 'upstream'.
I tried to keep this a 1:1 rewrite with the same field names.
Nevertheless, some changes were made:
- exp_add_error and exp_rem_error are dropped. Those fields meant that
"./test-udev add <devpath>" actually succeeded, but symlinks were not
created, and exp_links was ignored and could contain bogus content.
Instead, exp_links and not_exp_links are adjusted to not contain
garbage and the tests check that "./test-udev add" succeeds and that
the links are as expected from exp_links and not_exp_links.
- cleanup was only used in one rule, and that rule was expected to fail,
so cleanup wasn't actually necessary. So the cleanup field and the
logic to call cleanup from individual tests is removed.
- a bunch of fields were set, but didn't seem to be connected to any
implementation: not_exp_name, not_exp_test.
e62acc3159935781f05fa59c48e5a74e85c61ce2 did a rewrite of some of the
tests and it seems that not_exp_test was added by mistake and
not_exp_name was left behind by mistake.
In Python, the field list is declared in the class, so it's harder to
assign an unused attribute. Those uses were converted to not_exp_links.
- in most rules, r"""…""" is used, so that escaping is not necessary.
- the logic to generate devices was only used in one place, and the
generator function also had provisions to handle arguments that were
never given. all_block_devs() is made much simpler.
- Descriptions that started with a capital letter were shortened
and lowercased.
- no special test case counting is done. pytest just counts the cases
(Rules objects).
- the output for failures is also removed. If something goes wrong, the
user can use pytest --pdb or such to debug the issue.
- perl version used a semaphore to manage udev runners, and would fork,
optionally wait a bit, and then start the runner. In the python
version, we just spawn them all and wait for them to exit. It's not
very convenient to call fork() from python, so instead the runner
was modified (in previous commit) to wait.
The test can be called as:
(cd build && sudo pytest -v ../test/udev-test.py)
sudo meson test -C build udev-test.py -v
I think this generally provides functionality that is close to the perl
version. It seems some of the checks are now more fully implemented.
Support for strace/gdb/valgrind is missing.
Runtime goes down: 8.36 s → 5.78 s.
Instead of /home/zbyszek/src/systemd-work/build/../src/xdg-autostart-generator/xdg-autostart-service.h:11,
print just src/xdg-autostart-generator/xdg-autostart-service.h:11.
This is a bit annoying that this requires so much verbosity, but the output
with the full names was too annoying.
The tests wants to call some workers with a delay. This implements the delay
directly in test-udev so that the caller can be simplified.
Note that the argument is to be used by the other test file, so this is
purposefully implemented in a simple way.
The previous error code -ERANGE is slightly ambiguous, and use more
specific one. This also drops unnecessary error handlings.
Follow-up for 754d8b9c330150fdb3767491e24975f7dfe2a203 and
e652663a043cb80936bb12ad5c87766fc5150c24.
This retains the use of policy sessions instead of trial sessions
in most cases, based on the code comment that some TPMs do not
implement trial sessions correctly. However, it's likely that the
issue was not the TPMs, but our code's incorrect use of PolicyPCR
inside a trial session; we are not providing expected PCR values
with our call to PolicyPCR inside a trial session, but the spec
indicates that in a trial session, the TPM *may* return error if
the expected PCR value(s) are not provided. That may have been the
source of the original confusion about trial sessions.
More details:
https://github.com/systemd/systemd/pull/26357#pullrequestreview-1409983694
Also, future commits will replace the use of trial sessions with
policy calculations, which avoids the problem entirely.
The usage of PREFIX in this completion is mostly counter to the intended
usage of compsys in zsh. It is generally expected that completion code
provide the available completions and tags in that word position so that
compsys, with user configuration, can filter them to the appropriate set.
One egregious error caused by the usage of PREFIX here is the caching of
SYS_ALL_UNITS, which stored only the unit names prematurely filtered by
the completion prefix, affecting all future completions. For example,
$ systemctl cat nonsense<TAB>
might find no matching units if nonsense* has no matches, but now
$ systemctl cat <TAB>
will fail in all future completions even though every unit file
is a valid match, because the cached set has been erroneously filtered
by the last prefix.
If a container manager does not follow the guidance in
https://systemd.io/CONTAINER_INTERFACE/ regarding audit capabilities,
then the current check may not be sufficient to determine that audit
will function properly. In particular, when calling bind() on the audit
fd, we will get EPERM if running in a user-namespaced container.
Expand the check to make an AUDIT_GET_FEATURE request on the audit fd to
test if it is working. If this fails with ECONNREFUSED, we know it is
because the kernel does not support the use of audit outside of the
initial user namespace.
Note that the approach of this patch was suggested here:
https://github.com/systemd/systemd/pull/19443#issuecomment-829566659Fixes: #6519
As in mkosi(1), let's describe the config file and commandline options
together. This is nice for us, because we don't need to duplicate descriptions
and we're less likely to forget to update one place or the other. This is also
nice for users, because they can easily figure out what can be configured
where.
The options are now ordered by config file section.
--summary was not described before.
More examples are added.
The usual approach is to put 'addopts = --flakes' in setup.cfg. Unfortunately
this fails badly when pytest-flakes is not installed:
ERROR: usage: test_ukify.py [options] [file_or_dir] [file_or_dir] [...]
test_ukify.py: error: unrecognized arguments: --flakes
pytest-flakes is not packaged everywhere, and this test is not very important,
so let's just do it only if pytest-flakes is available. We now detect if
pytest-flakes is available and only add '--flakes' conditionally. This
unfortunately means that when invoked via 'pytest' or directly as
'src/ukify/test/test_ukify.py', '--flakes' will not be appended automatically.
But I don't see a nice way to achieve previous automatic behaviour.
(I first considered making 'setup.cfg' templated. But then it is created
in the build directory, but we would need it in the source directory for
pytest to load it automatically. So to load the file, we'd need to give an
argument to pytest anyway, so we don't gain anything with this more complex
approach.)
Note to self: PEP 585 introduced using collection types as types,
and is available since 3.9. PEP 604 allows writing unions with "|",
but is only available since 3.10, so not yet here because we maintain
compat with 3.9.
We install a kernel with layout=uki and uki_generator=ukify, and test
that a UKI gets installed in the expected place. The two plugins cooperate,
so it's easiest to test them together.
60-ukify.install calls ukify with a config file, so singing and policies and
splash will be done through the ukify config file, without 60-ukify.install
knowing anything directly.
In meson.py, the variable for loaderentry.install.in is used just once, let's
drop it. (I guess this approach was copied from kernel_install_in, which is
used in another file.)
The general idea is based on cvlc12's #27119, but now in Python instead of
bash.
In some ways this is similar to mkosi: we have a argparse.ArgumentParser()
with a bunch of options, and a configparser.ConfigParser() with an
overlapping set of options. Many options are settable in both places, but
not all. In mkosi, we define this in three places (a dataclass, and a
function for argparse, and a function for configparser). Here, we have one
huge list of ConfigItem instances. Each instance specifies the full metadata
for both parsers. Argparse generates a --help string for all the options,
and we also append a config file sample to --help based on the ConfigItem
data:
$ python src/ukify/ukify.py --help|tail -n 25
config file:
[UKI]
Linux = LINUX
Initrd = INITRD…
Cmdline = TEXT|@PATH
OSRelease = TEXT|@PATH
DeviceTree = PATH
Splash = BMP
PCRPKey = KEY
Uname = VERSION
EFIArch = ia32|x64|arm|aa64|riscv64
Stub = STUB
PCRBanks = BANK…
SigningEngine = ENGINE
SecureBootPrivateKey = SB_KEY
SecureBootCertificate = SB_CERT
SignKernel = SIGN_KERNEL
[PCRSignature:NAME]
PCRPrivateKey = PATH
PCRPublicKey = PATH
Phases = PHASE-PATH…
While writing this I needed to check the argument parsing, so I added
a --summary switch. It just pretty-prints the resulting option dictionary:
$ python src/ukify/ukify.py /efi//3a9d668b4db749398a4a5e78a03bffa5/6.2.11-300.fc38.x86_64/linux /efi//3a9d668b4db749398a4a5e78a03bffa5/6.2.11-300.fc38.x86_64/initrd --pcr-private-key=PRIV.key --pcr-public-key=PUB.key --config=man/ukify-example.conf --summary
Host arch 'x86_64', EFI arch 'x64'
{'_groups': [0, 'initrd', 'system'],
'cmdline': 'A1 B2 C3',
'config': 'man/ukify-example.conf',
'devicetree': None,
'efi_arch': 'x64',
'initrd': [PosixPath('initrd1'),
PosixPath('initrd2'),
PosixPath('initrd3'),
PosixPath('/efi/3a9d668b4db749398a4a5e78a03bffa5/6.2.11-300.fc38.x86_64/initrd')],
'linux': PosixPath('/efi/3a9d668b4db749398a4a5e78a03bffa5/6.2.11-300.fc38.x86_64/linux'),
'measure': None,
'os_release': PosixPath('/etc/os-release'),
'output': 'linux.efi',
'pcr_banks': ['sha1', 'sha384'],
'pcr_private_keys': [PosixPath('PRIV.key'),
PosixPath('pcr-private-initrd-key.pem'),
PosixPath('pcr-private-system-key.pem')],
'pcr_public_keys': [PosixPath('PUB.key'),
PosixPath('pcr-public-initrd-key.pem'),
PosixPath('pcr-public-system-key.pem')],
'pcrpkey': None,
'phase_path_groups': [None,
['enter-initrd'],
['enter-initrd:leave-initrd',
'enter-initrd:leave-initrd:sysinit',
'enter-initrd:leave-initrd:sysinit:ready']],
'sb_cert': PosixPath('mkosi.secure-boot.crt'),
'sb_key': PosixPath('mkosi.secure-boot.key'),
'sections': [],
'sign_kernel': None,
'signing_engine': None,
'splash': None,
'stub': PosixPath('/usr/lib/systemd/boot/efi/linuxx64.efi.stub'),
'summary': True,
'tools': None,
'uname': None}
With --summary, existence of input paths is not checked. I think we'll
want to show them, instead of throwing an error, but in red, similarly to
'bootctl list'.
This also fixes tests which were failing with e.g.
E FileNotFoundError: [Errno 2] No such file or directory: '/ARG1'
=========================== short test summary info ============================
FAILED ../src/ukify/test/test_ukify.py::test_parse_args_minimal - FileNotFoun...
FAILED ../src/ukify/test/test_ukify.py::test_parse_args_many - FileNotFoundEr...
FAILED ../src/ukify/test/test_ukify.py::test_parse_sections - FileNotFoundErr...
=================== 3 failed, 10 passed, 3 skipped in 1.51s ====================
