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I have no idea what went on in my mind when I used a path in /var/ for
the tpm2 event log we now keep for userspace measurements. The
measurements are only valid for the current boot, hence should not be
persisted (in particular as they cannot be rotated, hence should not
grow without bounds).
Fix that, simply move from /var/log/ to /run/log/.
Before this fix, when recursive-errors was set to 'no' during a systemd-analyze
verification, the parent slice was checked regardless. The 'no' setting means that,
only the specified unit should be looked at and verified and errors in the slices should be
ignored. This commit fixes that issue.
Example:
Say we have a sample.service file:
[Unit]
Description=Sample Service
[Service]
ExecStart=/bin/echo "a"
Slice=support.slice
Before Change:
systemd-analyze verify --recursive-errors=no maanya/sample.service
Assertion 'u' failed at src/core/unit.c:153, function unit_has_name(). Aborting.
Aborted (core dumped)
After Change:
systemd-analyze verify --recursive-errors=no maanya/sample.service
{No errors}
Add a new boolean for units, SurviveFinalKillSignal=yes/no. Units that
set it will not have their process receive the final sigterm/sigkill in
the shutdown phase.
This is implemented by checking if a process is part of a cgroup marked
with a user.survive_final_kill_signal xattr (or a trusted xattr if we
can't set a user one, which were added only in kernel v5.7 and are not
supported in CentOS 8).
'systemctl status /../dev' now looks for 'dev.mount', not '-..-dev.service',
and 'systemctl status /../foo' looks for 'foo.mount', not '-..-foo.service'. I
think this much more useful. I think the escaping is not very useful, so I plan
to submit a later series which changes that behaviour. But I think this first
step here is already useful on its own.
Note that the patch is smaller than it seems: before, is_device_path() would
return true only for absolute paths, so moving of is_device_path() under the
path_is_absolute() conditional doesn't influence the logic.
From RFC 9476:
Because names beneath .alt are in an alternative namespace, they have no
significance in the regular DNS context. DNS stub and recursive
resolvers do not need to look them up in the DNS context.
See: https://datatracker.ietf.org/doc/html/rfc9476#name-the-alt-namespace
`MatchPattern` for regular-file and directory as target can now match
subdirectories This is useful to install files for examples in `.extra.d`
directories:
```
[Target]
Type=regular-file
Path=/EFI/Linux
PathRelativeTo=boot
MatchPattern=gnomeos_@v.efi.extra.d/apparmor.addon.efi
```
The if the directories in the path do not exist, they will be created. Whereas
the part in `Path` is not created.
The tool initially just measured the boot phase, but was subsequently
extended to measure file system and machine IDs, too. At AllSystemsGo
there were request to add more, and make the tool generically
accessible.
Hence, let's rename the binary (but not the pcrphase services), to make
clear the tool is not just measureing the boot phase, but a lot of other
things too.
The tool is located in /usr/lib/ and still relatively new, hence let's
just rename the binary and be done with it, while keeping the unit names
stable.
While we are at it, also move the tool out of src/boot/ and into its own
src/pcrextend/ dir, since it's not really doing boot related stuff
anymore.
The existing signal doesn't say which type of shutdown is going to happen.
With the introduction of soft-reboot, it is useful to have this information
broadcasted, so that clients can choose to do different things based on the
reboot type.
Add a{sv} as the payload so that more metadata can be added later if
needed, without needing to add yet another signal.
Send both old and new signal for backward compatibility, and send the new
one first so that clients can just wait for the first one on both old and
new systems.
In general, it's better to avoid a negation. And "!" is special, because it is
used for history expansion, i.e. the same command would behave differently if
pasted on the command line.
Inspired by 4a899c5a23.
Otherwise we'll get stuck waiting indefinitely if the test socket unit
fails to fail due the trigger limit, i.e.:
[ 111.104906] testsuite-07.sh[743]: + systemctl start issue2467.socket
[ OK ] Listening on issue2467.socket.
[ 111.746465] testsuite-07.sh[743]: + nc -w20 -U /run/test.ctl
Starting systemd-tmpfiles-clean.service...
[ OK ] Finished systemd-tmpfiles-clean.service.
qemu-system-x86_64: terminating on signal 15 from pid 565814 (timeout)
E: Test timed out after 1800s
With the idle timeout we should give up after 20 seconds, allowing the next
statement to properly fail:
[ 34.233084] testsuite-07.sh[450]: + systemctl start issue2467.socket
[ 35.475392] testsuite-07.sh[450]: + nc -i20 -w20 -U /run/test.ctl
[ 56.122941] testsuite-07.sh[458]: Ncat: Idle timeout expired (20000 ms).
[ 56.140871] testsuite-07.sh[450]: + :
[ 56.145460] testsuite-07.sh[450]: + timeout 10 bash -c 'while ! [[ "$(systemctl show issue2467.socket -P ActiveState)" == failed ]]; do sleep .5; done'
[ 66.197623] testsuite-07.sh[446]: + echo 'Subtest /usr/lib/systemd/tests/testdata/units/testsuite-07.issue-2467.sh failed'
Mount units can do it, but the command line tool cannot, as it needs a
valid 'what'. If --tmpfs/-T if passed, parse the argument as 'where'
and send a literal 'tmpfs' as the 'what' if not specified.
This metadata (EXTENSION_RELOAD_MANAGER) can be set to "1" to reload the manager
when merging/refreshing/unmerging a system extension image. This can be useful in case the sysext
image provides systemd units that need to be loaded.
With `--no-reload`, one can deactivate the EXTENSION_RELOAD_MANAGER metadata interpretation.
Signed-off-by: Mathieu Tortuyaux <mtortuyaux@microsoft.com>
If someone reads /run/host/os-release at the exact same time it is being updated, and it
is large enough, they might read a half-written file. This is very unlikely as
os-release is typically small and very rarely changes, but it is not
impossible.
Bind mount a staging directory instead of the file, and symlink the file
into into, so that we can do atomic file updates and close this gap.
Atomic replacement creates a new inode, so existing bind mounts would
continue to see the old file, and only new services would see the new file.
The indirection via the directory allows to work around this, as the
directory is fixed and never changes so the bind mount is always valid,
and its content is shared with all existing services.
Fixes https://github.com/systemd/systemd/issues/28794
Follow-up for 3f37a82545
This makes tmpfiles, sysusers, and udevd invoked in the following order:
1. systemd-tmpfiles-setup-dev-early.service
Create device nodes gracefully, that is, create device nodes anyway
by ignoring unknown users and groups.
2. systemd-sysusers.service
Create users and groups, to make later invocations of tmpfiles and
udevd can resolve necessary users and groups.
3. systemd-tmpfiles-setup-dev.service
Adjust owners of previously created device nodes.
4. systemd-udevd.service
Process all devices. Especially to make block devices active and can
be mountable.
5. systemd-tmpfiles-setup.service
Setup basic filesystem.
Follow-up for b42482af90.
Fixes#28653.
Replaces #28681 and #28732.
This reverts commits 112a41b6ec,
3178698bb5, and
b768379e8b.
The commit 112a41b6ec introduces #28765,
as systemd-tmpfiles-setup.service has ordering after local-fs.target,
but usually the target requires block devices processed by udevd.
Hence, the service can only start after the block devices timed out.
Fixes#28765.
Otherwise if the os-release file shrinks between updates, there
will be a merge of the two.
Also remove redundant ENOENT check.
Follow-up for 3f37a82545
But the directories are changed from /dev/loop/by-ref/ -> /dev/disk/by-loop-ref/
and /dev/loop/by-inode/ -> /dev/disk/by-loop-inode/.
As /dev/loop/ is used by losetup command for other purpose.
See issue #28475.
This effectively reverts commits 9915cc6086,
5022fab15f, and
c0d998248e.
