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Now that mkfs.btrfs is adding support for compressing the generated
filesystem (https://github.com/kdave/btrfs-progs/pull/882), let's
add general support for specifying the compression algorithm and
compression level to use.
We opt to not parse the specified compression algorithm and instead
pass it on as is to the mkfs tool. This has a few benefits:
- We support every compression algorithm supported by every tool
automatically.
- Users don't need to modify systemd-repart if a mkfs tool learns a
new compression algorithm in the future
- We don't need to maintain a bunch of tables for filesystem to map
from our generic compression algorithm enum to the filesystem specific
names.
We don't add support for btrfs just yet until the corresponding PR
in btrfs-progs is merged.
Force means force, we skip checks with PID1 for existing units, but
then bail out with EEXIST if the files are actually there. Overwrite
everything instead.
These operations might require slow I/O, and thus might block PID1's main
loop for an undeterminated amount of time. Instead of performing them
inline, fork a worker process and stash away the D-Bus message, and reply
once we get a SIGCHILD indicating they have completed. That way we don't
break compatibility and callers can continue to rely on the fact that when
they get the method reply the operation either succeeded or failed.
To keep backward compatibility, unlike reload control processes, these
are ran inside init.scope and not the target cgroup. Unlike ExecReload,
this is under our control and is not defined by the unit. This is necessary
because previously the operation also wasn't ran from the target cgroup,
so suddenly forking a copy-on-write copy of pid1 into the target cgroup
will make memory usage spike, and if there is a MemoryMax= or MemoryHigh=
set and the cgroup is already close to the limit, it will cause an OOM
kill, where previously it would have worked fine.
One of the major pait points of managing fleets of headless nodes is
that when something fails at startup, unless debug level was already
enabled (which usually isn't, as it's a firehose), one needs to manually
enable it and pray the issue can be reproduced, which often is really
hard and time consuming, just to get extra info. Usually the extra log
messages are enough to triage an issue.
This new option makes it so that when a service fails and is restarted
due to Restart=, log level for that unit is set to debug, so that all
setup code in pid1 and sd-executor logs at debug level, and also a new
DEBUG_INVOCATION=1 env var is passed to the service itself, so that it
knows it should start with a higher log level. Once the unit succeeds
or reaches the rate limit the original level is restored.
I don't actually need this anymore since we're going with a
unit based approach for the containers stuff internally so
let's just revert it.
Fixes#34085
This reverts commit ce2291730d5f91190e97e7c515ac772ae4970062.
Note, `systemd-analyze foo@.service --instance=hoge` is equivalent to
`systemd-analyze foo@hoge.service`. But, the option may be useful when
e.g. passing multiple template units that have restriction on their
instance name:
```
$ ls
template_aaa@.service template_bbb@.service template_ccc@.service
$ systemd-analyze ./template_* --instance=hoge
```
Without the option, we need to embed an instance name into each unit
name, so cannot use globs.
Prompted by #33681.
When running unprivileged, checking /proc/1/root doesn't work because
it requires privileges. Instead, let's add an environment variable so
the process that chroot's can tell (systemd) subprocesses whether
they're running in a chroot or not.
Otherwise, several messages for the last invocation have not been
stored to journal yet.
Hopefully fixes the following race:
===
[ 603.037765] H systemd-run[10503]: Running as unit: invocation-id-test-26448.service; invocation ID: 1a49edeb05a641aaa2def72411134822
[ 603.099587] H bash[10504]: invocation 10 1a49edeb05a641aaa2def72411134822
[ 603.212069] H systemd[1]: invocation-id-test-26448.service: Deactivated successfully.
[ 603.225092] H systemd-run[10503]: Finished with result: success
[ 603.225163] H TEST-04-JOURNAL.sh[10506]: + journalctl --list-invocation -u invocation-id-test-26448.service
[ 603.225318] H systemd-run[10503]: Main processes terminated with: code=exited, status=0/SUCCESS
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: + tee /tmp/tmp.UzSmYamXyg/10
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: IDX INVOCATION ID FIRST ENTRY LAST ENTRY
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: -9 d6efabb546014027b6bd7ee3a78386d6 Wed 2024-08-14 22:12:16 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: -8 3e402b81c28d4a8fa2c5e8e31dffd9ee Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: -7 5ebd0ba07d4f4f52bc84275f55a3ee2e Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: -6 bc53c49d6ce24bb7acd438c3e61cfb23 Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: -5 24680907919e4839a75378117bb5a816 Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: -4 ec364ed7673c4a1fa22929f95ce7047b Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: -3 2e8a4dea43044d1a9faf922f7a2f3d42 Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: -2 ac610b6e6c9c4a29bf8947890685478b Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: -1 9b7d52c3620948f9831e323910f605f5 Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.225357] H TEST-04-JOURNAL.sh[10507]: 0 1a49edeb05a641aaa2def72411134822 Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.225823] H systemd-run[10503]: Service runtime: 174ms
[ 603.225866] H TEST-04-JOURNAL.sh[10508]: + journalctl --list-invocation -u invocation-id-test-26448.service --reverse
[ 603.226110] H systemd-run[10503]: CPU time consumed: 12ms
[ 603.226142] H TEST-04-JOURNAL.sh[10509]: + tee /tmp/tmp.UzSmYamXyg/10-r
[ 603.226378] H systemd-run[10503]: Memory peak: 1.4M (swap: 0B)
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: IDX INVOCATION ID FIRST ENTRY LAST ENTRY
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: 0 1a49edeb05a641aaa2def72411134822 Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:18 UTC
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: -1 9b7d52c3620948f9831e323910f605f5 Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: -2 ac610b6e6c9c4a29bf8947890685478b Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: -3 2e8a4dea43044d1a9faf922f7a2f3d42 Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: -4 ec364ed7673c4a1fa22929f95ce7047b Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: -5 24680907919e4839a75378117bb5a816 Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: -6 bc53c49d6ce24bb7acd438c3e61cfb23 Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: -7 5ebd0ba07d4f4f52bc84275f55a3ee2e Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: -8 3e402b81c28d4a8fa2c5e8e31dffd9ee Wed 2024-08-14 22:12:17 UTC Wed 2024-08-14 22:12:17 UTC
[ 603.230161] H TEST-04-JOURNAL.sh[10509]: -9 d6efabb546014027b6bd7ee3a78386d6 Wed 2024-08-14 22:12:16 UTC Wed 2024-08-14 22:12:17 UTC
===
When unit_need_daemon_reload() calls unit_find_dropin_paths() to check
for new drop-in configs, the manager's unit path cache is used to limit
which directories are considered. If a new drop-in directory is created,
it may not be in the unit path cache, and hence unit_need_daemon_reload()
may return false, despite a new drop-in being present. However, if a
unit path cache is not given to unit_file_find_dropin_paths() at all,
then it behaves as if the target path was found in the unit path cache.
So, to fix this, adapt unit_find_dropin_paths() to take a boolean
argument indicating whether or not to pass along the unit path cache.
Set this to false in unit_need_daemon_reload().
Fixes#31752
This allows for example forcing to use /sbin/init instead of always
using /usr/lib/systemd/systemd if it exists. Or it allows using a
different path altogether.
Running the following commands:
# mkdir -p /var/lib/pcrlock.d/123-empty.pcrlock.d
# /usr/lib/systemd/systemd-pcrlock predict --pcr=1+2+3+4+5+16
Will result in:
...
Floating point exception
Running the following commands:
# mkdir -p /var/lib/pcrlock.d/123-empty.pcrlock.d
# /usr/lib/systemd/systemd-pcrlock make-policy --pcr=1+2+3+4+5+16
Will result to this (partial) log:
...
Predicted future PCRs in 133us.
[]
...
Written policy digest 0000000000000000000000000000000000000000000000000000000000000000 to NV index 0x1921da6
...
So, add missing checks to handle gracefully cases where there's no variant
inside the component.
Signed-off-by: Arnaud Patard <arnaud.patard@collabora.com>
The PrepareForShutdownWithMetadata signal was added via
e4aab5cf1a00bbb73f325f4f785dd4171ccdae77 but a corresponding property
was not. A property has to be a single type, so the bool needs to be
one of the key/value pairs as 'ba{sv}' is not a valid property.
+ Scale the x-axis of the resulting plot by a factor (default 1.0)
+ Add activation timestamps to each bar
Signed-off-by: rajmohan r <rajmohan.r@kpit.com>
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.
unit_start() advertises that start requests don't get suppressed,
so that it could be used to manually speed up auto restarts.
However, service_start() so far rejected this, stating that
clients should issue restart request in order to trigger
BindsTo=/OnFailure=.
That seems to be a red herring though, because for a long time
the service states between auto-restarts were buggy (#27594).
With the introduction of RestartMode=direct, the behavior
is sane again and customizable, hence I see no reason to refuse
this anymore. Whether those deps are triggered solely depends
on RestartMode= now.
Plus, filter out some intermediate states that should never
be seen in service_start().
Fixes#33890
Even if the glob pattern is valid, the pattern may match credentials
with invalid names. So, we need to check the names of the found
credentials.
Follow-up for 947c4d3952e30604b97f657dca08f93a0a8f4bae.
Since, at least the old framework, checks for the presence of the file
at the end and marks the whole test as skipped if it exists.
Resolves: systemd/systemd-centos-ci#728
This allows for "per-instance" credentials for units. The use case
is best explained with an example. Currently all our getty units
have the following stanzas in their unit file:
"""
ImportCredential=agetty.*
ImportCredential=login.*
"""
This means that setting agetty.autologin=root as a system credential
will make every instance of our all our getty units autologin as the
root user. This prevents us from doing autologin on /dev/hvc0 while
still requiring manual login on all other ttys.
To solve the issue, we introduce support for renaming credentials with
ImportCredential=. This will allow us to add the following to e.g.
serial-getty@.service:
"""
ImportCredential=tty.serial.%I.agetty.*:agetty.
ImportCredential=tty.serial.%I.login.*:login.
"""
which for serial-getty@hvc0.service will make the service manager read
all credentials of the form "tty.serial.hvc0.agetty.xxx" and pass them
to the service in the form "agetty.xxx" (same goes for login). We can
apply the same to each of the getty units to allow setting agetty and
login credentials for individual ttys instead of globally.
