We default to quiet operation everywhere except for repart, where
we disable quiet and have the mkfs tools write to stdout.
We also make sure --quiet or equivalent is implemented for all mkfs
tools.
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'.
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 754d8b9c33 and
e652663a04.
There's no need to fchdir() out of the rootfs and back into it around
the umount2(), hence don't.
This brings the logic closer to what the pivot_root() man page suggests.
While we are at it, always operate based on fds, once we opened the
original dir, and pass the path string along only for generating
messages (i.e. as "decoration").
Add tests for both code paths: the pivot_root() one and the MS_MOUNT.
This slightly extends the symbol file test and checks which symbols are
listed in one list but missing in the other. This is tremendously useful
to quickly determine which symbols wheren't exposed properly but should
have been.
(This is is implemented in pure C, no systemd helpers, to ensure we see
libsystemd.so API as any other tool would.)
Let's clean up validation/escaping of cgroup names. i.e. split out code
that tests if name needs escaping. Return proper error codes, and extend
test a bit.
When encoding partition policy flags we allow parts of the flags to be
"unspecified" (i.e. entirely zeros), which when actually checking the
policy we'll automatically consider equivalent to "any" (i.e. entirely
ones). This "extension" of the flags was so far done as part of
partition_policy_normalized_flags(). Let's split this logic out into a
new function partition_policy_flags_extend() that simply sets all bits
in a specific part of the flags field if they were entirely zeroes so
far.
When comparing policy objects for equivalence we so far used
partition_policy_normalized_flags() to compare the per-designator flags,
which thus meant that "underspecified" flags, and fully specified ones
that are set to "any" were considered equivalent. Which is great.
However, we forgot to do that for the fallback policy flags, the flags
that apply to all partitions for which no explicit policy flags are
specified.
Let's use the new partition_policy_flags_extend() call to compare them
in extended form, so that there two we can hide the difference between
"underspecified" and "any" flags.
Realistically, the only thing that the caller can do is ignore failures related
to missing credentials. If the caller requires some credentials to be present,
they should just check which output variables are not NULL. One of the callers
was already doing that, and the other wanted to, but missed -ENOENT. By
suppressing -ENOENT and -ENXIO, both callers are simplified.
Fixes a warning at boot:
systemd-vconsole-setup[221]: Failed to import credentials, ignoring: No such file or directory
Unfortunately we can't escape $ when ':' is used to prohibit variable expansion:
ExecStart=:echo $$
is not the same as
ExecStart=:echo $
This just adds the functionality and the unittests, without using it anywhere
for real yet.
Our escaping of '$' is '$$', not '\$'. We would write unit files that
were not valid:
$ systemd-run --user bash -c 'echo $$; sleep 1000'
Running as unit: run-r1c7c45b5b69f487c86ae205e12100808.service
$ systemctl cat --user run-r1c7c45b5b69f487c86ae205e12100808
# /run/user/1000/systemd/transient/run-r1c7c45b5b69f487c86ae205e12100808.service
...
ExecStart="/usr/bin/bash" "-c" "echo \$\$\; sleep 1000"
$ systemd-analyze verify /run/user/1000/systemd/transient/run-r1c7c45b5b69f487c86ae205e12100808.service
/run/user/1000/systemd/transient/run-r1c7c45b5b69f487c86ae205e12100808.service:7:
Ignoring unknown escape sequences: "echo \$\$\; sleep 1000"
Similarly, ';' cannot be escaped as '\;'. Only a handful of characters
listed in "Supported escapes" is allowed.
Escaping of "'" can be done, but it's not useful because we use double quotes
around the string anyway whenever we do escaping.
unit_write_setting() is called all over the place. In a great majority of
places we write either fixed strings or something that we generate ourselves,
so no escaping or quoting is needed. (And it's not allowed, e.g.
'Type="oneshot"' would not work.) But if we forgot to add escaping or quoting
for a free-style string, it would probably allow writing a unit file that would
be read completely wrong. I looked over various places where
unit_write_setting() is called, and I couldn't find any place where
quoting/escaping was forgotten. But trying to figure out the full
ramifications of this change is not easy.
__builtin_popcount() is a bit of a mouthful, so let's provide a helper.
Using _Generic has the advantage that if a type other then the ones on
the list is given, compilation will fail. This is nice, because if by any
change we pass a wider type, it is rejected immediately instead of being
truncated.
log.h is also needed. It is included transitively, but let's include it
directly.
macro.h is *not* needed.
The function path_prefix_root_cwd() was introduced for prefixing the
result from chaseat() with root, but
- it is named slightly generic,
- the logic is different from what chase() does.
This makes the name more explanative and specific for the result of the
chaseat(), and make the logic consistent with chase().
Fixes https://github.com/systemd/systemd/pull/27199#issuecomment-1511387731.
Follow-up for #27199.
Usually, we pass the file descriptor of the root directory to chaseat()
when `--root=` is not specified. Previously, even in such case, the
result was relative, and we need to prefix the path with "/" when we
want to pass the path to other functions that do not support dir_fd, or
log or show the path. That's inconvenient.
The ignore directive specifies to not do anything with the given
unit and leave existing configuration intact. This allows distributions
to gradually adopt preset files by shipping a ignore * preset file.
Mike Yuan
Yu Watanabe
Daan De Meyer
Zbigniew Jędrzejewski-Szmek
Luca Boccassi
OMOJOLA
David Tardon
Lennart Poettering
