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Commit Graph

1228 Commits

Author SHA1 Message Date
Zbigniew Jędrzejewski-Szmek
cd7e1e1a7f units: change description of systemd-logind.service
"Login Service" doesn''t explain much, esp. considering that logind is actually is
for logins. I think "User Login Management" is better, but not that great either.
Suggestions welcome.
2020-05-05 22:34:17 +02:00
Lennart Poettering
846acb6798 binfmt: also unregister binfmt entries from unit
We unregister binfmt_misc twice during shutdown with this change:

1. A previous commit added support for doing that in the final shutdown
   phase, i.e. when we do the aggressive umount loop. This is the robust
   thing to do, in case the earlier ("clean") shutdown phase didn't work
   for some reason.

2. This commit adds support for doing that when systemd-binfmt.service
   is stopped. This is a good idea so that people can order mounts
   before the service if they want to register binaries from such
   mounts, as in that case we'll undo the registration on shutdown
   again, before unmounting those mounts.

And all that, just because of that weird "F" flag the kernel introduced
that can pin files...

Fixes: #14981
2020-04-23 17:14:45 +02:00
Lennart Poettering
e46736fbb6 units: use correct path to refer to plymouth
This doesn't really matter, since in non-/usr-merged systems plymouth
needs to be in /bin and on merged ones it doesn't matter, but it is
still prettier to insert the right path, and avoid /bin on merged
systems, since it's just a compat symlink.

Replaces: #15351
2020-04-16 16:33:01 +02:00
Lennart Poettering
b0c1a07654 units: make sure systemd-pstore stops at shutdown
This doesn't matter too much given that the service doesn't do anything
on shutdown, but let's still stop it to make things cleaner.
2020-04-08 16:29:58 +02:00
Lennart Poettering
e0f968ad96 units: drop systemd-remount-fs.service dependency from more services
All services using StateDirectory= don't need the explicit dep anymore,
let's hence drop it everywhere.
2020-04-08 16:29:41 +02:00
Lennart Poettering
0c978faa16 units: drop dependency on systemd-remount-fs.service from systemd-pstore.service
This dependency is now generated automatically given we use
StateDirectory=. Moreover the combination of Wants= and After= was too
strong anway, as whether remount-fs is pulled in or not should not be up
to systemd-pstore.service, and in fact is part of the initial
transaction anyway.
2020-04-08 16:29:40 +02:00
Lennart Poettering
167241912f units: pull in systemd-pstore.service from sysinit.target
sysinit.target is the target our early boot services are generally
pulled in from, make systemd-pstore.service not an exception of that.

Effectively this doesn't mean much, either way our unit is part of the
initial transaction.
2020-04-08 16:29:24 +02:00
Topi Miettinen
cabc1c6d7a units: add ProtectClock=yes
Add `ProtectClock=yes` to systemd units. Since it implies certain
`DeviceAllow=` rules, make sure that the units have `DeviceAllow=` rules so
they are still able to access other devices. Exclude timesyncd and timedated.
2020-04-07 15:37:14 +02:00
Lennart Poettering
fdfe909123 units: run systemd-repart only if there's configuration for it 2020-04-02 17:07:48 +02:00
Lennart Poettering
aade0c3b6e Revert "units: make systemd-repart.service installable"
This reverts commit 7e1ed1f3b2.

systemd-repart is not a user service that should be something people
enable/disable, instead it should just work if there's configuration for
it. It's like systemd-tmpfiles, systemd-sysusers, systemd-load-modules,
systemd-binfmt, systemd-systemd-sysctl which are NOPs if they have no
configuration, and thus don't hurt, but cannot be disabled since they
are too deep part of the OS.

This doesn't mean people couldn't disable the service if they really
want to, there's after all "systemctl mask" and build-time disabling,
but those are OS developer facing instead of admin facing, that's how it
should be.

Note that systemd-repart is in particular an initrd service, and so far
enable/disable state of those is not managed anyway via "systemctl
enable/disable" but more what dracut decides to package up and what not.
2020-04-02 17:04:59 +02:00
Zbigniew Jędrzejewski-Szmek
4e561c6200
Merge pull request #15109 from keszybz/units-make-installable
Make homed/userdbd/repart services installable (to allow uninstalling)
2020-04-02 10:21:29 +02:00
Lennart Poettering
286fe8ee21 units: do not pull in home.mount from systemd-homed.service
/home is posibly a remote file system. it makes sense to order homed
after it, so that we can properly enumerate users in it, but we probably
shouldn't pull it in ourselves, and leave that to users to configure
otherwise.

Fixes: #15102
2020-03-31 15:22:48 +02:00
Zbigniew Jędrzejewski-Szmek
ead7af3093 units: make systemd-userdbd.{socket,service} installable
It's lightweight and generally useful, so it should be enabled by default. But
users might want to disable it for whatever reason, and things should be fine
without it, so let's make it installable so it can be disabled if wanted.

Fixes #15175.
2020-03-31 14:55:16 +02:00
Zbigniew Jędrzejewski-Szmek
5ef9eda17f units: make systemd-homed.service installable
Fixes #15083. Users might want to disable homed if not used to save resources.
2020-03-31 14:55:14 +02:00
Zbigniew Jędrzejewski-Szmek
7e1ed1f3b2 units: make systemd-repart.service installable
This essentially adds another layer of configurability:
build disable, this, presence of configuration. The default is
set to enabled, because the service does nothing w/o config.
2020-03-31 14:51:04 +02:00
Franck Bui
e730db6c90 systemd-network-generator.service: network-pre.target is a passive target unit 2020-03-27 18:30:57 +01:00
Balint Reczey
cdc6c95737 units: Don't mount tracefs in LXC
Mounting tracefs fails in unprivileged LXC containers and latest LXD
(3.23) bind mounts tracefs already.

Fixes https://github.com/lxc/lxd/issues/7059
2020-03-23 08:34:48 +01:00
Zbigniew Jędrzejewski-Szmek
b5947b5b10 homed: replace "home directory" with "home area" in a few places 2020-03-11 13:43:19 +01:00
Yu Watanabe
5197b41fac
Merge pull request #15022 from keszybz/make-units-remain-after-exit
Make units remain after exit
2020-03-06 21:14:36 +09:00
Zbigniew Jędrzejewski-Szmek
9cbf1e58f9 units: skip modprobe@.service if the unit appears to be already loaded
Possible alternative to #14819.

For me, setting RemainAfterExit=yes would be OK, but if people think that it
might cause issues, then this could be a reasonable alternative that still
let's us skip the invocation of the separate binary.
2020-03-05 18:43:50 +00:00
Zbigniew Jędrzejewski-Szmek
d48eea583f units: make systemd-network-generator.service stay around
Once done, its done, and shouldn't be run again.
2020-03-05 15:15:08 +01:00
Yu Watanabe
c1817e2528
Merge pull request #15023 from keszybz/network-generator-man
Man page for systemd-network-generator
2020-03-05 20:54:32 +09:00
Zbigniew Jędrzejewski-Szmek
4a29c185b7 man: add systemd-network-generator.service(8)
It's a bit bare-bones, but it should be enough to point the reader in the right
direction.
2020-03-05 08:20:06 +01:00
Zbigniew Jędrzejewski-Szmek
9fd32ff7d3 units: restore RemainAfterExit=yes in systemd-vconsole-setup.service
This reverts the second part of 8125e8d38e.
The first part was reverted in 750e550eba.
The problem starts when s-v-s.s is pulled in by something that is then pulled
in by sysinit.target. Every time a unit is started, systemd recursively checks
all dependencies, and since sysinit.target is pull in by almost anything, we'll
start s-v-s.s over and over. In particular, plymouth-start.service currently
has Wants=s-v-s.s and After=s-v-s.s.
2020-03-05 08:13:49 +01:00
Zbigniew Jędrzejewski-Szmek
a3558e7952 units: do not ignore return value from systemd --user
This minus has been there since the unit was added in
d42d27ead9. I think the idea was not cause things
to fail if the user instance doesn't work. But ignoring the return value
doesn't seem to be the right way to approach the problem. In particular, if
the program fails to run, we'll get a bogus fail state, see
https://bugzilla.redhat.com/show_bug.cgi?id=1727895#c1:

with the minus:
$ systemctl start user@1002
Job for user@1002.service failed because the service did not take the steps required by its unit configuration.
See "systemctl status user@1002.service" and "journalctl -xe" for details.

without the minus:
$ systemctl start user@1002
Job for user@1002.service failed because the control process exited with error code.
See "systemctl status user@1002.service" and "journalctl -xe" for details.
2020-03-05 04:49:37 +09:00
Kevin P. Fleming
3b355677b8 RequireMountsFor in systemd-nspawn should wait for machine mount
This patch modifies the RequireMountsFor setting in systemd-nspawn@.service to wait for the machine instance directory to be mounted, not just /var/lib/machines.

Closes #14931
2020-03-02 19:37:51 +09:00
Guillaume Douézan-Grard
f4665664c4 units: disable ProtectKernelLogs for machined
machined needs access to the host mount namespace to propagate bind
mounts created with the "machinectl bind" command. However, the
"ProtectKernelLogs" directive relies on mount namespaces to make the
kernel ring buffer inaccessible. This commit removes the
"ProtectKernelLogs=yes" directive from machined service file introduced
in 6168ae5.

Closes #14559.
2020-03-02 14:49:14 +09:00
Balint Reczey
287f506c32 pstore: Don't start systemd-pstore.service in containers
Usually it is not useful and can also fail making
boot-and-services autopkgtest fail.
2020-02-27 14:26:34 +01:00
Norbert Lange
aaaf42cb44 units: add mount for tracefs
Kernel 4.1 separated the tracing system from the debugfs,
actual documentation already points to a different path
that needs this new mount to exist.

the old sysfs path will still be an automount in the debugfs,
created by the kernel (for now).

Signed-off-by: Norbert Lange <nolange79@gmail.com>
2020-02-26 23:40:44 +01:00
Zbigniew Jędrzejewski-Szmek
c7220ca802 units: drop OnFailure= from .target units
See c80a9a33d0, target units can't fail.
I guess we need to figure out some replacement functionality, but at least
let's avoid the warning from systemd for now.
2020-02-05 18:34:30 +01:00
Zbigniew Jędrzejewski-Szmek
dc9fd22d3d Merge pull request #14398 from poettering/mount-prep 2020-02-04 16:28:51 +01:00
Lennart Poettering
340cb115b3 units: define RuntimeDirectory= in systemd-journald.service
It doesn't get us much, but makes the differences between the templated
and non-templated versions a bit smaller.
2020-01-31 15:04:24 +01:00
Lennart Poettering
5591cd4e20 units: sort settings in systemd-journald.service again 2020-01-31 15:04:15 +01:00
Lennart Poettering
dc5437c78b journald: add ability to activate by varlink socket
If we have exit on idle, then operations such as "journalctl
--namespace=foo --rotate" should work even if the journal daemon is
currently not running.

(Note that we don't do activation by varlink for the main instance of
journald, I am not sure the deadlocks it might introduce are worth it)
2020-01-31 15:03:55 +01:00
Lennart Poettering
65c398c031 journald: add exit on idle 2020-01-31 15:03:44 +01:00
Lennart Poettering
1ee51fbd70 units: add unit files for instantiated journal daemons 2020-01-31 15:01:30 +01:00
Lennart Poettering
70a5db5822 home: add new systemd-homed service that can manage LUKS homes
Fixes more or less: https://bugs.freedesktop.org/show_bug.cgi?id=67474
2020-01-28 22:36:07 +01:00
Yu Watanabe
1b3cccfdac unit: add AF_ALG to systemd-networkd.service
networkd uses khash, and khash requires AF_ALG.
2020-01-28 15:34:04 +01:00
Lennart Poettering
a7e8855879 units: introduce blockdev@.target for properly ordering mounts/swaps against cryptsetup
Let's hook it into both cryptsetup-generator and gpt-auto-generator with
a shared implementation in generator.c

Fixes: #8472
2020-01-21 20:23:13 +01:00
Lennart Poettering
29ee6541a4 units: add unit file for systemd-repart to automatically run at boot 2020-01-20 17:42:03 +01:00
Zbigniew Jędrzejewski-Szmek
cdc6804b60 units: drop full paths for utilities in $PATH
This makes things a bit simpler and the build a bit faster, because we don't
have to rewrite files to do the trivial substitution. @rootbindir@ is always in
our internal $PATH that we use for non-absolute paths, so there should be no
functional change.
2020-01-20 16:50:16 +01:00
Lennart Poettering
d093b62c94 userdbd: add new service that can merge userdb queries from multiple clients 2020-01-15 15:28:17 +01:00
Lennart Poettering
d5016c21d7 units: tweaks to modprobe@.service
Let's use uppercase wording in the description string, like we usually
do.

Let's allow using this service in early boot.

If it's pulled into the initial transaction it's better to finish
loading this before sysinit.target.

Don't bother with this in containers that lack CAP_SYS_MODULE
2020-01-07 18:54:24 +01:00
Iain Lane
625077264b units: Split modprobing out into a separate service unit
Devices referred to by `DeviceAllow=` sandboxing are resolved into their
corresponding major numbers when the unit is loaded by looking at
`/proc/devices`. If a reference is made to a device which is not yet
available, the `DeviceAllow` is ignored and the unit's processes cannot
access that device.

In both logind and nspawn, we have `DeviceAllow=` lines, and `modprobe`
in `ExecStartPre=` to load some kernel modules. Those kernel modules
cause device nodes to become available when they are loaded: the device
nodes may not exist when the unit itself is loaded. This means that the
unit's processes will not be able to access the device since the
`DeviceAllow=` will have been resolved earlier and denied it.

One way to fix this would be to re-evaluate the available devices and
re-apply the policy to the cgroup, but this cannot work atomically on
cgroupsv1. So we fall back to a second approach: instead of running
`modprobe` via `ExecStartPre`, we move this out to a separate unit and
order it before the units which want the module.

Closes #14322.
Fixes: #13943.
2020-01-07 18:37:30 +01:00
Yu Watanabe
48d0248e6d network: bump netlink receive buffer size to 128M
Prompted by #14417.
2020-01-02 10:29:41 +01:00
Lennart Poettering
b895fa08e6 Revert "Drop dbus activation stub service"
This reverts commit 07125d24ee.

In contrast to what is claimed in #13396 dbus-broker apparently does
care for the service file to be around, and otherwise will claim
"Service Not Activatable" in the time between systemd starting up the
broker and connecting to it, which the stub service file is supposed to
make go away.

Reverting this makes the integration test suite pass again on host with
dbus-broker (i.e. current Fedora desktop).

Tested with dbus-broker-21-6.fc31.x86_64.
2019-12-20 17:28:12 +01:00
Zbigniew Jędrzejewski-Szmek
4186441bbd Revert "cryptsetup: umount encrypted devices before detaching it during shutdown"
This reverts commit 362c378291.

This commit introduced an ordering loop: remote-cryptsetup.target was both
before and after remote-fs-pre.target. It also globally ordered all cryptsetup
volumes before all mounts. Such global ordering is problematic if people have
stacked storage. Let's look for a different solution.

See https://github.com/systemd/systemd/pull/14378#discussion_r359460109.
2019-12-19 10:42:14 +01:00
Dimitri John Ledkov
f27bb6abd3 initrd: make udev cleanup service confict trigger and settle too
Otherwise, systemd-udev-trigger|settle.service that ran in the initrd may
ramain active, and never re-run again from the system root.

This is observed by forexample examining ESP with udevadm info, which in the
initrd has all the ID_* variables, and none of them in fully booted system.
2019-12-17 21:38:11 +01:00
Franck Bui
362c378291 cryptsetup: umount encrypted devices before detaching it during shutdown
This is done by ordering local-fs-pre.target and remote-fs-pre.target after
cryptsetup.target and remote-cryptsetup.target respectively.

Fixes: #8472
2019-12-05 11:43:05 +01:00
Franck Bui
1dc85eff1d crypsetup: introduce x-initrd.attach option
This option is an indication for PID1 that the entry in crypttab is handled by
initrd only and therefore it shouldn't interfer during the usual start-up and
shutdown process.

It should be primarily used with the encrypted device containing the root FS as
we want to keep it (and thus its encrypted device) until the very end of the
shutdown process, i.e. when initrd takes over.

This option is the counterpart of "x-initrd.mount" used in fstab.

Note that the slice containing the cryptsetup services also needs to drop the
usual shutdown dependencies as it's required by the cryptsetup services.

Fixes: #14224
2019-12-05 11:43:02 +01:00