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The code to print unit status formats had a long history, and became a
hard-to-manage mess of duplicate code parts. We would use sprintf() to
format a string, and then call sprintf() again… The code is reworked
to avoid repeated formattings and to streamline printing to the log
and the console.
The approach used in this patch is a bit more complex then in patches by Colin
Walter and Paweł Marciniak, because an allocation is only done if "combined"
format is used. In other cases we return the existing ->id or ->description
strings. The caller can also control whether a shorter or longer status string
should be used. This way the caller can use a shorter format where it makes
sense, for example in the cylon eye output, where we don't have enough
horizontal space.
Patch is based on Colin Walters' https://github.com/systemd/systemd/pull/15957,
and Paweł Marciniak's patch posted on fedora-devel.
Note: for some reason, the functions for printing of start and stop messages
were sepearated by some unrelated functions. They are moved to be consecutive,
but this makes the much more verbose than it would be otherwise. I found it
useful to view in gitk's "new" mode.
Co-authored-by: Colin Walters <walters@verbum.org>
Co-authored-by: Paweł Marciniak <sunwire+git@gmail.com>
Output from a Fedora Rawhide container boot (w/ some follow-up patches to
tweak Descriptions):
Welcome to Fedora 35 (Rawhide Prerelease)!
Queued start job for default target graphical.target.
[ OK ] Created slice system-getty.slice - Slice /system/getty.
[ OK ] Created slice system-modprobe.slice - Slice /system/modprobe.
[ OK ] Created slice system-sshd\x2dkeygen.slice - Slice /system/sshd-keygen.
[ OK ] Created slice user.slice - User and Session Slice.
[ OK ] Started systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch.
[ OK ] Started systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch.
[ OK ] Reached target cryptsetup.target - Local Encrypted Volumes.
[ OK ] Reached target paths.target - Path Units.
[ OK ] Reached target remote-cryptsetup.target - Remote Encrypted Volumes.
[ OK ] Reached target remote-fs.target - Remote File Systems.
[ OK ] Reached target slices.target - Slice Units.
[ OK ] Reached target swap.target - Swaps.
[ OK ] Reached target veritysetup.target - Local Verity Integrity Protected Volumes.
[ OK ] Listening on systemd-coredump.socket - Process Core Dump Socket.
[ OK ] Listening on systemd-initctl.socket - initctl Compatibility Named Pipe.
[ OK ] Listening on systemd-journald-dev-log.socket - Journal Socket (/dev/log).
[ OK ] Listening on systemd-journald.socket - Journal Socket.
[ OK ] Listening on systemd-networkd.socket - Network Service Netlink Socket.
[ OK ] Listening on systemd-userdbd.socket - User Database Manager Socket.
Mounting dev-hugepages.mount - Huge Pages File System...
Starting systemd-journald.service - Journal Service...
Starting systemd-remount-fs.service - Remount Root and Kernel File Systems...
Starting systemd-sysctl.service - Apply Kernel Variables...
[ OK ] Mounted dev-hugepages.mount - Huge Pages File System.
[ OK ] Finished systemd-remount-fs.service - Remount Root and Kernel File Systems.
Starting systemd-hwdb-update.service - Rebuild Hardware Database...
Starting systemd-sysusers.service - Create System Users...
[ OK ] Finished systemd-sysctl.service - Apply Kernel Variables.
[ OK ] Started systemd-journald.service - Journal Service.
Starting systemd-journal-flush.service - Flush Journal to Persistent Storage...
[ OK ] Finished systemd-sysusers.service - Create System Users.
Starting systemd-tmpfiles-setup-dev.service - Create Static Device Nodes in /dev...
[ OK ] Finished systemd-tmpfiles-setup-dev.service - Create Static Device Nodes in /dev.
[ OK ] Reached target local-fs-pre.target - Preparation for Local File Systems.
[ OK ] Reached target local-fs.target - Local File Systems.
[ OK ] Reached target machines.target - Containers.
Starting dracut-shutdown.service - Restore /run/initramfs on shutdown...
Starting ldconfig.service - Rebuild Dynamic Linker Cache...
[ OK ] Finished dracut-shutdown.service - Restore /run/initramfs on shutdown.
[ OK ] Finished ldconfig.service - Rebuild Dynamic Linker Cache.
[ OK ] Finished systemd-journal-flush.service - Flush Journal to Persistent Storage.
Starting systemd-tmpfiles-setup.service - Create Volatile Files and Directories...
[ OK ] Finished systemd-tmpfiles-setup.service - Create Volatile Files and Directories.
Starting systemd-journal-catalog-update.service - Rebuild Journal Catalog...
Starting systemd-oomd.service - Userspace Out-Of-Memory (OOM) Killer...
Starting systemd-update-utmp.service - Update UTMP about System Boot/Shutdown...
Starting systemd-userdbd.service - User Database Manager...
[ OK ] Finished systemd-update-utmp.service - Update UTMP about System Boot/Shutdown.
[ OK ] Finished systemd-journal-catalog-update.service - Rebuild Journal Catalog.
[ OK ] Started systemd-userdbd.service - User Database Manager.
[ OK ] Started systemd-oomd.service - Userspace Out-Of-Memory (OOM) Killer.
[ OK ] Finished systemd-hwdb-update.service - Rebuild Hardware Database.
Starting systemd-networkd.service - Network Configuration...
Starting systemd-update-done.service - Update is Completed...
[ OK ] Finished systemd-update-done.service - Update is Completed.
[ OK ] Reached target sysinit.target - System Initialization.
[ OK ] Started dnf-makecache.timer - dnf makecache --timer.
[ OK ] Started logrotate.timer - Daily rotation of log files.
[ OK ] Started systemd-tmpfiles-clean.timer - Daily Cleanup of Temporary Directories.
[ OK ] Reached target timers.target - Timer Units.
[ OK ] Listening on dbus.socket - D-Bus System Message Bus Socket.
[ OK ] Reached target sockets.target - Socket Units.
[ OK ] Reached target basic.target - Basic System.
[ OK ] Reached target sshd-keygen.target.
Starting sysstat.service - Resets System Activity Logs...
Starting systemd-homed.service - Home Area Manager...
Starting systemd-logind.service - User Login Management...
Starting dbus-broker.service - D-Bus System Message Bus...
[FAILED] Failed to start sysstat.service - Resets System Activity Logs.
See 'systemctl status sysstat.service' for details.
[ OK ] Started dbus-broker.service - D-Bus System Message Bus.
[ OK ] Started systemd-homed.service - Home Area Manager.
[ OK ] Finished systemd-homed-activate.service - Home Area Activation.
[ OK ] Started systemd-logind.service - User Login Management.
[ OK ] Started systemd-networkd.service - Network Configuration.
Starting systemd-networkd-wait-online.service - Wait for Network to be Configured...
Starting systemd-resolved.service - Network Name Resolution...
[ OK ] Started systemd-resolved.service - Network Name Resolution.
[ OK ] Reached target network.target - Network.
[ OK ] Reached target nss-lookup.target - Host and Network Name Lookups.
Starting sshd.service - OpenSSH server daemon...
Starting systemd-user-sessions.service - Permit User Sessions...
[ OK ] Finished systemd-user-sessions.service - Permit User Sessions.
[ OK ] Started console-getty.service - Console Getty.
[ OK ] Reached target getty.target - Login Prompts.
[ OK ] Started sshd.service - OpenSSH server daemon.
[ OK ] Reached target multi-user.target - Multi-User System.
[ OK ] Reached target graphical.target - Graphical Interface.
Starting systemd-update-utmp-runlevel.service - Update UTMP about System Runlevel Changes...
[ OK ] Finished systemd-update-utmp-runlevel.service - Update UTMP about System Runlevel Changes.
Fedora 35 (Rawhide Prerelease)
Kernel 5.12.12-300.fc34.x86_64 on an x86_64 (console)
rawhide login: [ OK ] Stopped session-24.scope - Session 24 of User zbyszek.
[ OK ] Removed slice system-getty.slice - Slice /system/getty.
[ OK ] Removed slice system-modprobe.slice - Slice /system/modprobe.
[ OK ] Removed slice system-sshd\x2dkeygen.slice - Slice /system/sshd-keygen.
[ OK ] Stopped target graphical.target - Graphical Interface.
[ OK ] Stopped target multi-user.target - Multi-User System.
[ OK ] Stopped target getty.target - Login Prompts.
[ OK ] Stopped target machines.target - Containers.
[ OK ] Stopped target nss-lookup.target - Host and Network Name Lookups.
[ OK ] Stopped target remote-cryptsetup.target - Remote Encrypted Volumes.
[ OK ] Stopped target timers.target - Timer Units.
[ OK ] Stopped dnf-makecache.timer - dnf makecache --timer.
[ OK ] Stopped logrotate.timer - Daily rotation of log files.
[ OK ] Stopped systemd-tmpfiles-clean.timer - Daily Cleanup of Temporary Directories.
[ OK ] Closed systemd-coredump.socket - Process Core Dump Socket.
Stopping console-getty.service - Console Getty...
Stopping dracut-shutdown.service - Restore /run/initramfs on shutdown...
Stopping sshd.service - OpenSSH server daemon...
Stopping systemd-logind.service - User Login Management...
Stopping systemd-oomd.service - Userspace Out-Of-Memory (OOM) Killer...
Stopping user@1000.service - User Manager for UID 1000...
[ OK ] Stopped systemd-oomd.service - Userspace Out-Of-Memory (OOM) Killer.
[ OK ] Stopped systemd-networkd-wait-online.service - Wait for Network to be Configured.
[ OK ] Stopped sshd.service - OpenSSH server daemon.
[ OK ] Stopped console-getty.service - Console Getty.
[ OK ] Stopped dracut-shutdown.service - Restore /run/initramfs on shutdown.
[ OK ] Stopped target sshd-keygen.target.
[ OK ] Stopped systemd-logind.service - User Login Management.
[ OK ] Stopped user@1000.service - User Manager for UID 1000.
Stopping user-runtime-dir@1000.service - User Runtime Directory /run/user/1000...
[ OK ] Unmounted run-user-1000.mount - /run/user/1000.
[ OK ] Stopped user-runtime-dir@1000.service - User Runtime Directory /run/user/1000.
[ OK ] Removed slice user-1000.slice - User Slice of UID 1000.
Stopping systemd-user-sessions.service - Permit User Sessions...
[ OK ] Stopped systemd-user-sessions.service - Permit User Sessions.
[ OK ] Stopped target network.target - Network.
[ OK ] Stopped target remote-fs.target - Remote File Systems.
Stopping systemd-homed-activate.service - Home Area Activation...
Stopping systemd-resolved.service - Network Name Resolution...
[ OK ] Stopped systemd-resolved.service - Network Name Resolution.
Stopping systemd-networkd.service - Network Configuration...
[ OK ] Stopped systemd-homed-activate.service - Home Area Activation.
Stopping systemd-homed.service - Home Area Manager...
[ OK ] Stopped systemd-homed.service - Home Area Manager.
[ OK ] Stopped target basic.target - Basic System.
[ OK ] Stopped target paths.target - Path Units.
[ OK ] Stopped target slices.target - Slice Units.
[ OK ] Removed slice user.slice - User and Session Slice.
[ OK ] Stopped target sockets.target - Socket Units.
Stopping dbus-broker.service - D-Bus System Message Bus...
[ OK ] Stopped dbus-broker.service - D-Bus System Message Bus.
[ OK ] Closed dbus.socket - D-Bus System Message Bus Socket.
[ OK ] Stopped target sysinit.target - System Initialization.
[ OK ] Stopped target cryptsetup.target - Local Encrypted Volumes.
[ OK ] Stopped systemd-ask-password-console.path - Dispatch Password Requests to Console Directory Watch.
[ OK ] Stopped systemd-ask-password-wall.path - Forward Password Requests to Wall Directory Watch.
[ OK ] Stopped target veritysetup.target - Local Verity Integrity Protected Volumes.
[ OK ] Stopped systemd-update-done.service - Update is Completed.
[ OK ] Stopped ldconfig.service - Rebuild Dynamic Linker Cache.
[ OK ] Stopped systemd-hwdb-update.service - Rebuild Hardware Database.
[ OK ] Stopped systemd-journal-catalog-update.service - Rebuild Journal Catalog.
Stopping systemd-update-utmp.service - Update UTMP about System Boot/Shutdown...
[ OK ] Stopped systemd-networkd.service - Network Configuration.
[ OK ] Closed systemd-networkd.socket - Network Service Netlink Socket.
[ OK ] Stopped systemd-sysctl.service - Apply Kernel Variables.
[ OK ] Stopped systemd-update-utmp.service - Update UTMP about System Boot/Shutdown.
[ OK ] Stopped systemd-tmpfiles-setup.service - Create Volatile Files and Directories.
[ OK ] Stopped target local-fs.target - Local File Systems.
Unmounting home.mount - /home...
Unmounting run-credentials-systemd\x2dsysusers.se…e.mount - /run/credentials/systemd-sysusers.service...
Unmounting tmp.mount - Temporary Directory /tmp...
[ OK ] Unmounted home.mount - /home.
[ OK ] Unmounted tmp.mount - Temporary Directory /tmp.
[ OK ] Unmounted run-credentials-systemd\x2dsysusers.service.mount - /run/credentials/systemd-sysusers.service.
[ OK ] Stopped target local-fs-pre.target - Preparation for Local File Systems.
[ OK ] Stopped target swap.target - Swaps.
[ OK ] Reached target umount.target - Unmount All Filesystems.
[ OK ] Stopped systemd-tmpfiles-setup-dev.service - Create Static Device Nodes in /dev.
[ OK ] Stopped systemd-sysusers.service - Create System Users.
[ OK ] Stopped systemd-remount-fs.service - Remount Root and Kernel File Systems.
[ OK ] Reached target shutdown.target - System Shutdown.
[ OK ] Reached target final.target - Late Boot Services.
[ OK ] Finished systemd-poweroff.service - System Power Off.
[ OK ] Reached target poweroff.target - System Power Off.
Sending SIGTERM to remaining processes...
Sending SIGKILL to remaining processes...
All filesystems, swaps, loop devices, MD devices and DM devices detached.
Powering off.
Strictly speaking adding this is a compatibility break, given that
previously % weren't special. But I'd argue that was simply a bug, as
for the much more prominent Environment= service setting we always
resolved specifiers, and DEfaultEnvironment= is explicitly listed as
being the default for that. Hence, let's fix that.
Replaces: #16787
User managers always pass their environment on to their children.
Make that clear in the description of ManagerEnvironment= which
states that none of those args will get passed to child processes of
service managers.
This is useful for various variables that modify process behaviour. This makes
it easy to set it for pid1 without touching the kernel command line. Even for
the *user manager* this also can be convenient for the unprivileged user, who
cannot modify user@.service definition.
Variables that could be set like this include $SD_EVENT_PROFILE_DELAYS,
$SYSTEMD_FALLBACK_HOSTNAME, $SYSTEMD_MEMPOOL, $SYSTMED_RDRAND, etc.
This changes the paths we read user manager config from in two ways:
- split-usr-root paths are dropped. The user manager is a poster boy for
non-early-boot, so reading dropins only from /usr is appropriate.
- we look at ~/.config/systemd/user.conf. Users should be allowed to override
their own config.
As user managers become more and more used, it becomes more important for users
to customize their own daemon. By reading from ~/.config, this is possible
without privileges.
Actually, systemd takes the minimum of
* a) the maximum tasks value the kernel allows on this architecture
* b) the cgroups pids_max attribute for the system
* c) the kernel's configured maximum PID value
to calculate the DefaultTasksMax. Here, kernel.thread-max should also be methioned.
For users, the square brackets already serve as markup and clearly delineate
the section name from surrounding text. Putting additional markup around that
only adds clutter. Also, we were very inconsistent in using the quotes. Let's
just drop them altogether.
This option is only used on reboot, not on other types of shutdown
modes, so it is misleading.
Keep the old name working for backward compatibility, but remove it
from the documentation.
Rather than always enabling the shutdown WD on kexec, which might be
dangerous in case the kernel driver and/or the hardware implementation
does not reset the wd on kexec, add a new timer, disabled by default,
to let users optionally enable the shutdown WD on kexec separately
from the runtime and reboot ones. Advise in the documentation to
also use the runtime WD in conjunction with it.
Fixes: a637d0f9ec ("core: set shutdown watchdog on kexec too")
Make possible to set NUMA allocation policy for manager. Manager's
policy is by default inherited to all forked off processes. However, it
is possible to override the policy on per-service basis. Currently we
support, these policies: default, prefer, bind, interleave, local.
See man 2 set_mempolicy for details on each policy.
Overall NUMA policy actually consists of two parts. Policy itself and
bitmask representing NUMA nodes where is policy effective. Node mask can
be specified using related option, NUMAMask. Default mask can be
overwritten on per-service level.
This makes the handling of this option match what we do in unit files. I think
consistency is important here. (As it happens, it is the only option in
system.conf that is "non-atomic", i.e. where there's a list of things which can
be split over multiple assignments. All other options are single-valued, so
there's no issue of how to handle multiple assignments.)
When shooting down a service with SIGABRT the user might want to have a
much longer stop timeout than on regular stops/shutdowns. Especially in
the face of short stop timeouts the time might not be sufficient to
write huge core dumps before the service is killed.
This commit adds a dedicated (Default)TimeoutAbortSec= timer that is
used when stopping a service via SIGABRT. In all other cases the
existing TimeoutStopSec= is used. The timer value is unset by default
to skip the special handling and use TimeoutStopSec= for state
'stop-watchdog' to keep the old behaviour.
If the service is in state 'stop-watchdog' and the service should be
stopped explicitly we still go to 'stop-sigterm' and re-apply the usual
TimeoutStopSec= timeout.
The "include" files had type "book" for some raeason. I don't think this
is meaningful. Let's just use the same everywhere.
$ perl -i -0pe 's^..DOCTYPE (book|refentry) PUBLIC "-//OASIS//DTD DocBook XML V4.[25]//EN"\s+"http^<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"\n "http^gms' man/*.xml
No need to waste space, and uniformity is good.
$ perl -i -0pe 's|\n+<!--\s*SPDX-License-Identifier: LGPL-2.1..\s*-->|\n<!-- SPDX-License-Identifier: LGPL-2.1+ -->|gms' man/*.xml
We had "SYSTEM MANAGER DIRECTIVES" which was a misnomer already, because
it also listed user manager stuff. Let's make this a more general section
and move the items for other services there too (from "MISCELANENOUS").
Updating due to phrase "Defaults to DefaultTimeoutStartSec= from the manager configuration file, except when Type=oneshot is used, in which case the timeout is disabled by default (see systemd-system.conf)" from [0] https://github.com/systemd/systemd/blob/master/man/systemd.service.xml
We now don't enable the CPU controller just for CPU accounting if we are
on 4.15+ and using pure unified hierarchy, as this is provided
externally to the CPU controller. This makes CPUAccounting=yes
essentially free, so enabling it by default when it's cheap seems like a
good idea.
This removes the ability to configure which cgroup controllers to mount
together. Instead, we'll now hardcode that "cpu" and "cpuacct" are
mounted together as well as "net_cls" and "net_prio".
The concept of mounting controllers together has no future as it does
not exist to cgroupsv2. Moreover, the current logic is systematically
broken, as revealed by the discussions in #10507. Also, we surveyed Red
Hat customers and couldn't find a single user of the concept (which
isn't particularly surprising, as it is broken...)
This reduced the (already way too complex) cgroup handling for us, since
we now know whenever we make a change to a cgroup for one controller to
which other controllers it applies.
The &MEMORY_ACCOUNTING_DEFAULT; resolves to "yes" or "no" while the rest
of the paragraph talked about "on" and "off". Let's adjust this and
stick to "yes" and "no"...
Quite frankly I think it's not a particularly good idea to change the
docs based configuration changes... THis can only be incomplete, and the
wording is still very awkward since we repeat the same sentence twice.
Docbook styles required those to be present, even though the templates that we
use did not show those names anywhere. But something changed semi-recently (I
would suspect docbook templates, but there was only a minor version bump in
recent years, and the changelog does not suggest anything related), and builds
now work without those entries. Let's drop this dead weight.
Tested with F26-F29, debian unstable.
$ perl -i -0pe 's/\s*<authorgroup>.*<.authorgroup>//gms' man/*xml
These lines are generally out-of-date, incomplete and unnecessary. With
SPDX and git repository much more accurate and fine grained information
about licensing and authorship is available, hence let's drop the
per-file copyright notice. Of course, removing copyright lines of others
is problematic, hence this commit only removes my own lines and leaves
all others untouched. It might be nicer if sooner or later those could
go away too, making git the only and accurate source of authorship
information.
This part of the copyright blurb stems from the GPL use recommendations:
https://www.gnu.org/licenses/gpl-howto.en.html
The concept appears to originate in times where version control was per
file, instead of per tree, and was a way to glue the files together.
Ultimately, we nowadays don't live in that world anymore, and this
information is entirely useless anyway, as people are very welcome to
copy these files into any projects they like, and they shouldn't have to
change bits that are part of our copyright header for that.
hence, let's just get rid of this old cruft, and shorten our codebase a
bit.
We have a common parser, but for the user it might be
completely unobvious that the same general rules apply
to all those files. Let's add a page about the basic syntax
so that the more specific pages don't have to repeat those
details.
Files which are installed as-is (any .service and other unit files, .conf
files, .policy files, etc), are left as is. My assumption is that SPDX
identifiers are not yet that well known, so it's better to retain the
extended header to avoid any doubt.
I also kept any copyright lines. We can probably remove them, but it'd nice to
obtain explicit acks from all involved authors before doing that.
