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This fix unfortunately introduced a much worse regression that
is affecting many users, so let's revert it for now and rework
it in the next release.
This reverts commit 5ded3917a1.
Fixes https://github.com/systemd/systemd/issues/24984
The precise bounds of the scheduling priority depend on the scheduling policy,
so depending on the order in which the two settings are specified the
validation might pass or fail.
When checking the setting only validate the outer range (valid values in general are 0 to 99),
and let the execution fail later if the priority does not match the
specified policy (1 to 99 for RR/FIFO, 0 for the rest).
Fixes https://github.com/systemd/systemd/issues/20320
Quoting https://github.com/systemd/systemd/pull/25050#discussion_r998721845:
This part seems to be quite racy, at least in the C8S job:
[ 1767.520856] H testsuite-15.sh[35]: *** test transient slice drop-ins
[ 1767.520856] H testsuite-15.sh[35]: + mkdir -p /etc/systemd/system/slice.d
[ 1767.522480] H testsuite-15.sh[35]: + mkdir -p /etc/systemd/system/a-.slice.d
[ 1767.524992] H testsuite-15.sh[35]: + mkdir -p /etc/systemd/system/a-b-.slice.d
[ 1767.526799] H testsuite-15.sh[35]: + mkdir -p /etc/systemd/system/a-b-c.slice.d
[ 1767.528302] H testsuite-15.sh[35]: + echo -e '[Unit]\nDocumentation=man:drop1'
[ 1767.528434] H testsuite-15.sh[35]: + echo -e '[Unit]\nDocumentation=man:drop2'
[ 1767.528519] H testsuite-15.sh[35]: + echo -e '[Unit]\nDocumentation=man:drop3'
[ 1767.528595] H testsuite-15.sh[35]: + echo -e '[Unit]\nDocumentation=man:drop4'
[ 1767.528676] H testsuite-15.sh[35]: + systemctl cat a-b-c.slice
[ 1767.541321] H systemctl[1042]: No files found for a-b-c.slice.
[ 1767.542854] H systemd[1]: testsuite-15.service: Main process exited, code=exited, status=1/FAILURE
[ 1767.542995] H systemd[1]: testsuite-15.service: Failed with result 'exit-code'.
[ 1767.543360] H systemd[1]: Failed to start testsuite-15.service.
[ 1767.543542] H systemd[1]: testsuite-15.service: Consumed 1.586s CPU time.
[ 1767.543938] H systemd[1]: Reached target testsuite.target.
[ 1767.545737] H systemd[1]: Starting end.service...
Otherwise we might hit a race where we read the test log just before
it's fully written to the disk:
```
======================================================================
FAIL: test_interleaved (__main__.ExecutionResumeTest.test_interleaved)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/root/systemd/test/test-exec-deserialization.py", line 170, in test_interleaved
self.check_output(expected_output)
File "/root/systemd/test/test-exec-deserialization.py", line 111, in check_output
self.assertEqual(output, expected_output)
AssertionError: 'foo\n' != 'foo\nbar\n'
foo
+ bar
```
With some debug:
```
test_interleaved (__main__.ExecutionResumeTest.test_interleaved) ...
Assertion failed; file contents just after the assertion:
b'foo\n'
File contents 5 seconds later:
b'foo\nbar\n'
FAIL
```
Seen quite often in CentOS CI on the fast baremetal machines.
(s) is just ugly with a vibe of DOS. In most cases just using the normal plural
form is more natural and gramatically correct.
There are some log_debug() statements left, and texts in foreign licenses or
headers. Those are not touched on purpose.
TEST-69 uses a Python wrapper around the systemd-nspawn call, which on
error calls the `spawn.terminate()` method. However, with no arguments
it will only use SIGHUP and SIGINT signals - this might leave a stuck
container around, causing fails if the test is run again. With `force=True`
SIGKILL is used as well (if necessary).
TEST-34 complains in `test_check_writable` when running with gcov, as
the build directory tree is not writable with DynamicUser=true. As I had
no luck with $GCOV_PREFIX and other runtime gcov configuration, let's
just ignore the gcov errors for this test.
We want to test four things:
- that the transient units are successfully started when drop-ins exist
- that the transient setings override the defaults
- the drop-ins override the transient settings (the same as for a normal unit)
- that things are the same before and after a reload
To make things more fun, we start and stop units in two different ways: via
systemctl and via a direct busctl invocation. This gives us a bit more coverage
of different code paths.
Slices are worth testing too, because they don't need a fragment path so they
behave slightly differently than service units. I'm making this a separate
patch from the actual tests that I wanted to add later because it's complex
enough on its own.
clear_services() is renamed to clear_units() and now takes a full
unit name including the suffix as an argument.
_clear_service() is renamed to clear_unit() and changed likewise.
create_service() didn't have the same underscore prefix, and I don't think
it's useful or needed for a local function, so it is removed.
No functional change.
The glibc stuff on ppc64le C8S is a little bit wild, as there are two
versions:
```
$ ldconfig -p | grep libc.so
libc.so.6 (libc6,64bit, hwcap: "power9", OS ABI: Linux 3.10.0) => /lib64/glibc-hwcaps/power9/libc-2.28.so
libc.so.6 (libc6,64bit, OS ABI: Linux 3.10.0) => /lib64/libc.so.6
```
and with `/etc/ld.so.cache` present all binaries use the first one:
```
$ ldd /bin/cat
linux-vdso64.so.1 (0x00007fffa8070000)
libc.so.6 => /lib64/glibc-hwcaps/power9/libc-2.28.so (0x00007fffa7e20000)
/lib64/ld64.so.2 (0x00007fffa8090000)
```
However, without the cache the binaries will fall back to `/lib64/libc.so.6`
which breaks tests that use the minimal verity images (like TEST-29),
because we install only the first version (that's shown by `ldd` at
the time the images are created):
```
[ 91.595343] testsuite-29.sh[747]: + portablectl --profile=trusted attach --now --runtime /usr/share/minimal_0.raw minimal-app0
Starting systemd-portabled.service...
[ OK ] Started systemd-portabled.service.
Starting minimal-app0-foo.service...
Starting minimal-app0.service...
[ 104.432217] cat[858]: cat: error while loading shared libraries: libc.so.6: cannot open shared object file: No such file or directory
[ 104.435080] cat[857]: cat: error while loading shared libraries: libc.so.6: cannot open shared object file: No such file or directory
[FAILED] Failed to start minimal-app0.service.
See 'systemctl status minimal-app0.service' for details.
```
```
$ chroot /var/tmp/systemd-test.nMHPfc/minimal/
/bin/bash: error while loading shared libraries: libc.so.6: cannot open shared object file: No such file or directory
```
With the ldconfig's cache it seems to work as expected:
```
$ chroot /var/tmp/systemd-test.gVtYLg/minimal
bash-4.4# cat --version
cat (GNU coreutils) 8.30
...
```
The iscsi-init.service calls `sh` which might, in certain circumstances,
pull in instrumented systemd NSS modules causing `sh` to fail. Let's mitigate
this by pulling in an env file crafted by `create_asan_wrapper()` that
(among others) pre-loads ASan's DSO.
Allows to skip check that ensures units must not be running.
I have a use case that would use reattach, except the orchestrator
is using a non-standard versioning scheme, so image matching cannot
work. As a workaround, need to be able to detach and then attach
manually, without stopping the units to avoid extended downtimes
and loss of FD store.
Let's remove some sleep loops, and instead:
1. Use Type=notify to wait until "resolvectl monitor" successfully
installed its monitor, so that we know that queries enqueued later
will definitely be seen.
2. Use "grep -m1" to watch "journalctl -f" output to wait precisely for
the RR data we want to see, and immediately exit.
This shortens code quite a bit, and should make it more robust.
Otherwise we might read an incomplete log and fail:
```
test_added_after (__main__.ExecutionResumeTest) ... FAIL
test_added_before (__main__.ExecutionResumeTest) ... ok
test_interleaved (__main__.ExecutionResumeTest) ... ok
test_issue_6533 (__main__.ExecutionResumeTest) ... ok
test_no_change (__main__.ExecutionResumeTest) ... ok
test_removal (__main__.ExecutionResumeTest) ... ok
test_swapped (__main__.ExecutionResumeTest) ... ok
======================================================================
FAIL: test_added_after (__main__.ExecutionResumeTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/build/./test/test-exec-deserialization.py", line 152, in test_added_after
self.check_output(expected_output)
File "/build/./test/test-exec-deserialization.py", line 107, in check_output
self.assertEqual(output, expected_output)
AssertionError: 'foo\n' != 'foo\nbar\n'
foo
+ bar
----------------------------------------------------------------------
Ran 7 tests in 27.470s
```
