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Since d8f9686c0f we use the chattr +i flag
for marking containers in directories as reead-only. But to do so we
need the cap for it, hence grant it.
Fixes: #19115
I'm working on building initramfs images directly from normal packages, and it
doesn't make sense for those units to be started. Pristine system rpms need to
behave correctly as much as possible also in the initrd, and those units are
enabled by the rpms. There usually isn't enough time for the timer to actually
fire, but starting it gives a line on the console and generally looks confusing
and sloppy. Flushing the journal means that its actually lost, since the real
/var is not available yet.
Another approach would be not enable those units, but right now they are
statically enabled, and changing that would be more work, and doesn't really
seem necessary, since the condition checks are very quick.
Checking for /etc/initrd-release is the standard condition that the initrd
units use, so let's do the same here.
The comment talks about upstream development steps and doesn't make
sense for users. We used special '## ' syntax to strip it out during
build, but it got inadvertently reformatted as a normal comment
in 3982becc92.
We don't need two (and half) templating systems anymore, yay!
I'm keeping the changes minimal, to make the diff manageable. Some enhancements
due to a better templating system might be possible in the future.
For handling of '## ' — see the next commit.
Old meson fails with:
Element not a string: [<Holder: <ExternalProgram 'sh' -> ['/bin/sh']>>, '-c', 'test -n "$DESTDIR" || /bin/journalctl --update-catalog']
I'm doing it as a revert so that it's easy to undo the revert when we require
newer meson. The effect is not so bad, maybe a dozen or so lines about finding
'sh'.
Meson 0.58 has gotten quite bad with emitting a message every time
a quoted command is used:
Program /home/zbyszek/src/systemd-work/tools/meson-make-symlink.sh found: YES (/home/zbyszek/src/systemd-work/tools/meson-make-symlink.sh)
Program sh found: YES (/usr/bin/sh)
Program sh found: YES (/usr/bin/sh)
Program sh found: YES (/usr/bin/sh)
Program sh found: YES (/usr/bin/sh)
Program sh found: YES (/usr/bin/sh)
Program sh found: YES (/usr/bin/sh)
Program xsltproc found: YES (/usr/bin/xsltproc)
Configuring custom-entities.ent using configuration
Message: Skipping bootctl.1 because ENABLE_EFI is false
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Message: Skipping journal-remote.conf.5 because HAVE_MICROHTTPD is false
Message: Skipping journal-upload.conf.5 because HAVE_MICROHTTPD is false
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Message: Skipping loader.conf.5 because ENABLE_EFI is false
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
Program ln found: YES (/usr/bin/ln)
...
Let's suffer one message only for each command. Hopefully we can silence
even this when https://github.com/mesonbuild/meson/issues/8642 is
resolved.
This reverts commit 7c20dd4b6e.
Debian has now been updated to patch the issue, so SemaphoreCI should
no longer fail. The fix has also been backported to the affected
stable branches.
Otherwise a coredump started at the inconvinient moment can stop
shutdown.target leaving the system in a halfway-down state:
Pulling in shutdown.target/start from systemd-poweroff.service/start
Added job shutdown.target/start to transaction.
...
Keeping job shutdown.target/start because of systemd-poweroff.service/start
...
[ OK ] Stopped target Remote File Systems.
shutdown.target: starting held back, waiting for: systemd-networkd.socket
sysinit.target: stopping held back, waiting for: remount_tmp.service
systemd-coredump.socket: Incoming traffic
...
systemd-coredump@0-243-0.service: Trying to enqueue job systemd-coredump@0-243-0.service/start/replace
Added job systemd-coredump@0-243-0.service/start to transaction.
Pulling in systemd-journald.socket/start from systemd-coredump@0-243-0.service/start
Added job systemd-journald.socket/start to transaction.
Pulling in system.slice/start from systemd-journald.socket/start
Added job system.slice/start to transaction.
Pulling in -.slice/start from system.slice/start
Added job -.slice/start to transaction.
Pulling in system-systemd\x2dcoredump.slice/start from systemd-coredump@0-243-0.service/start
Added job system-systemd\x2dcoredump.slice/start to transaction.
Pulling in system.slice/start from system-systemd\x2dcoredump.slice/start
Pulling in shutdown.target/stop from system-systemd\x2dcoredump.slice/start
Added job shutdown.target/stop to transaction.
...
Keeping job systemd-poweroff.service/stop because of umount.target/stop
Keeping job shutdown.target/stop because of systemd-coredump@0-243-0.service/start
This changes the fstab-generator to handle mounting of /usr/ a bit
differently than before. Instead of immediately mounting the fs to
/sysroot/usr/ we'll first mount it to /sysusr/usr/ and then add a
separate bind mount that mounts it from /sysusr/usr/ to /sysroot/usr/.
This way we can access /usr independently of the root fs, without for
waiting to be mounted via the /sysusr/ hierarchy. This is useful for
invoking systemd-repart while a root fs doesn't exist yet and for
creating it, with partition data read from the /usr/ hierarchy.
This introduces a new generic target initrd-usr-fs.target that may be
used to generically order services against /sysusr/ to become available.
systemd-networkd.socket can re-start systemd-networkd.service in
shutdown and by doing this even stop shutdown.target leaving the
system in halfway-down state.
Fixes#4955.
Single-param LoadCredential= in units causes systemd v247/v248 to
assert when parsing. Disable it for now, until the fix is merged
in the stable trees, released and available (eg: in Debian
for the CI)
See: https://github.com/systemd/systemd/issues/19178
With 8f20232fcb systemd-localed supports
generating locales when required. This fails if the locale directory is
read-only, so make it writable.
Closes#19138
Let's make use of our own credentials infrastructure in our tools: let's
hook up systemd-sysusers with the credentials logic, so that the root
password can be provisioned this way. This is really useful when working
with stateless systems, in particular nspawn's "--volatile=yes" switch,
as this works now:
# systemd-nspawn -i foo.raw --volatile=yes --set-credential=passwd.plaintext-password:foo
For the first time we have a nice, non-interactive way to provision the
root password for a fully stateless system from the container manager.
Yay!
We have a chicken and egg problem: validation of DNSSEC signatures
doesn't work without a correct clock, but to set the correct clock we
need to contact NTP servers which requires resolving a hostname, which
would normally require DNSSEC validation.
Let's break the cycle by excluding NTP hostname resolution from
validation for now.
Of course, this leaves NTP traffic unprotected. To cover that we need
NTPSEC support, which we can add later.
Fixes: #5873#15607
Even though many of those scripts are very simple, it is easier to include
the header than to try to say whether each of those files is trivial enough
not to require one.
We'll leave this as opt-in (i.e. a unit that must be enabled
explicitly), since this is supposed to be a debug/developer feature
primarily, and thus no be around in regular production systems.
This adds the support for veritytab.
The veritytab file contains at most five fields, the first four are
mandatory, the last one is optional:
- The first field contains the name of the resulting verity volume; its
block device is set up /dev/mapper/</filename>.
- The second field contains a path to the underlying block data device,
or a specification of a block device via UUID= followed by the UUID.
- The third field contains a path to the underlying block hash device,
or a specification of a block device via UUID= followed by the UUID.
- The fourth field is the roothash in hexadecimal.
- The fifth field, if present, is a comma-delimited list of options.
The following options are recognized only: ignore-corruption,
restart-on-corruption, panic-on-corruption, ignore-zero-blocks,
check-at-most-once and root-hash-signature. The others options will
be implemented later.
Also, this adds support for the new kernel verity command line boolean
option "veritytab" which enables the read for veritytab, and the new
environment variable SYSTEMD_VERITYTAB which sets the path to the file
veritytab to read.
Instead of invoking meson-add-wants.sh once for each wants that has
to be added, we pass all wants to a single invocation of
meson-add-wants.sh and in meson-add-wants.sh, loop over the
arguments.
This saves about 300ms on the install step.
Before:
```
‣ Running build script...
[1/418] Generating version.h with a custom command
Installing /root/build/po/be.gmo to /root/dest/usr/share/locale/be/LC_MESSAGES/systemd.mo
Installing /root/build/po/be@latin.gmo to /root/dest/usr/share/locale/be@latin/LC_MESSAGES/systemd.mo
Installing /root/build/po/bg.gmo to /root/dest/usr/share/locale/bg/LC_MESSAGES/systemd.mo
Installing /root/build/po/ca.gmo to /root/dest/usr/share/locale/ca/LC_MESSAGES/systemd.mo
Installing /root/build/po/cs.gmo to /root/dest/usr/share/locale/cs/LC_MESSAGES/systemd.mo
Installing /root/build/po/da.gmo to /root/dest/usr/share/locale/da/LC_MESSAGES/systemd.mo
Installing /root/build/po/de.gmo to /root/dest/usr/share/locale/de/LC_MESSAGES/systemd.mo
Installing /root/build/po/el.gmo to /root/dest/usr/share/locale/el/LC_MESSAGES/systemd.mo
Installing /root/build/po/es.gmo to /root/dest/usr/share/locale/es/LC_MESSAGES/systemd.mo
Installing /root/build/po/fr.gmo to /root/dest/usr/share/locale/fr/LC_MESSAGES/systemd.mo
Installing /root/build/po/gl.gmo to /root/dest/usr/share/locale/gl/LC_MESSAGES/systemd.mo
Installing /root/build/po/hr.gmo to /root/dest/usr/share/locale/hr/LC_MESSAGES/systemd.mo
Installing /root/build/po/hu.gmo to /root/dest/usr/share/locale/hu/LC_MESSAGES/systemd.mo
Installing /root/build/po/id.gmo to /root/dest/usr/share/locale/id/LC_MESSAGES/systemd.mo
Installing /root/build/po/it.gmo to /root/dest/usr/share/locale/it/LC_MESSAGES/systemd.mo
Installing /root/build/po/ja.gmo to /root/dest/usr/share/locale/ja/LC_MESSAGES/systemd.mo
Installing /root/build/po/ko.gmo to /root/dest/usr/share/locale/ko/LC_MESSAGES/systemd.mo
Installing /root/build/po/lt.gmo to /root/dest/usr/share/locale/lt/LC_MESSAGES/systemd.mo
Installing /root/build/po/pl.gmo to /root/dest/usr/share/locale/pl/LC_MESSAGES/systemd.mo
Installing /root/build/po/pt_BR.gmo to /root/dest/usr/share/locale/pt_BR/LC_MESSAGES/systemd.mo
Installing /root/build/po/ro.gmo to /root/dest/usr/share/locale/ro/LC_MESSAGES/systemd.mo
Installing /root/build/po/ru.gmo to /root/dest/usr/share/locale/ru/LC_MESSAGES/systemd.mo
Installing /root/build/po/sk.gmo to /root/dest/usr/share/locale/sk/LC_MESSAGES/systemd.mo
Installing /root/build/po/sr.gmo to /root/dest/usr/share/locale/sr/LC_MESSAGES/systemd.mo
Installing /root/build/po/sv.gmo to /root/dest/usr/share/locale/sv/LC_MESSAGES/systemd.mo
Installing /root/build/po/tr.gmo to /root/dest/usr/share/locale/tr/LC_MESSAGES/systemd.mo
Installing /root/build/po/uk.gmo to /root/dest/usr/share/locale/uk/LC_MESSAGES/systemd.mo
Installing /root/build/po/zh_CN.gmo to /root/dest/usr/share/locale/zh_CN/LC_MESSAGES/systemd.mo
Installing /root/build/po/zh_TW.gmo to /root/dest/usr/share/locale/zh_TW/LC_MESSAGES/systemd.mo
Installing /root/build/po/pa.gmo to /root/dest/usr/share/locale/pa/LC_MESSAGES/systemd.mo
real 0m1.465s
user 0m1.025s
sys 0m0.426s
```
After:
```
‣ Running build script...
[1/418] Generating version.h with a custom command
Installing /root/build/po/be.gmo to /root/dest/usr/share/locale/be/LC_MESSAGES/systemd.mo
Installing /root/build/po/be@latin.gmo to /root/dest/usr/share/locale/be@latin/LC_MESSAGES/systemd.mo
Installing /root/build/po/bg.gmo to /root/dest/usr/share/locale/bg/LC_MESSAGES/systemd.mo
Installing /root/build/po/ca.gmo to /root/dest/usr/share/locale/ca/LC_MESSAGES/systemd.mo
Installing /root/build/po/cs.gmo to /root/dest/usr/share/locale/cs/LC_MESSAGES/systemd.mo
Installing /root/build/po/da.gmo to /root/dest/usr/share/locale/da/LC_MESSAGES/systemd.mo
Installing /root/build/po/de.gmo to /root/dest/usr/share/locale/de/LC_MESSAGES/systemd.mo
Installing /root/build/po/el.gmo to /root/dest/usr/share/locale/el/LC_MESSAGES/systemd.mo
Installing /root/build/po/es.gmo to /root/dest/usr/share/locale/es/LC_MESSAGES/systemd.mo
Installing /root/build/po/fr.gmo to /root/dest/usr/share/locale/fr/LC_MESSAGES/systemd.mo
Installing /root/build/po/gl.gmo to /root/dest/usr/share/locale/gl/LC_MESSAGES/systemd.mo
Installing /root/build/po/hr.gmo to /root/dest/usr/share/locale/hr/LC_MESSAGES/systemd.mo
Installing /root/build/po/hu.gmo to /root/dest/usr/share/locale/hu/LC_MESSAGES/systemd.mo
Installing /root/build/po/id.gmo to /root/dest/usr/share/locale/id/LC_MESSAGES/systemd.mo
Installing /root/build/po/it.gmo to /root/dest/usr/share/locale/it/LC_MESSAGES/systemd.mo
Installing /root/build/po/ja.gmo to /root/dest/usr/share/locale/ja/LC_MESSAGES/systemd.mo
Installing /root/build/po/ko.gmo to /root/dest/usr/share/locale/ko/LC_MESSAGES/systemd.mo
Installing /root/build/po/lt.gmo to /root/dest/usr/share/locale/lt/LC_MESSAGES/systemd.mo
Installing /root/build/po/pl.gmo to /root/dest/usr/share/locale/pl/LC_MESSAGES/systemd.mo
Installing /root/build/po/pt_BR.gmo to /root/dest/usr/share/locale/pt_BR/LC_MESSAGES/systemd.mo
Installing /root/build/po/ro.gmo to /root/dest/usr/share/locale/ro/LC_MESSAGES/systemd.mo
Installing /root/build/po/ru.gmo to /root/dest/usr/share/locale/ru/LC_MESSAGES/systemd.mo
Installing /root/build/po/sk.gmo to /root/dest/usr/share/locale/sk/LC_MESSAGES/systemd.mo
Installing /root/build/po/sr.gmo to /root/dest/usr/share/locale/sr/LC_MESSAGES/systemd.mo
Installing /root/build/po/sv.gmo to /root/dest/usr/share/locale/sv/LC_MESSAGES/systemd.mo
Installing /root/build/po/tr.gmo to /root/dest/usr/share/locale/tr/LC_MESSAGES/systemd.mo
Installing /root/build/po/uk.gmo to /root/dest/usr/share/locale/uk/LC_MESSAGES/systemd.mo
Installing /root/build/po/zh_CN.gmo to /root/dest/usr/share/locale/zh_CN/LC_MESSAGES/systemd.mo
Installing /root/build/po/zh_TW.gmo to /root/dest/usr/share/locale/zh_TW/LC_MESSAGES/systemd.mo
Installing /root/build/po/pa.gmo to /root/dest/usr/share/locale/pa/LC_MESSAGES/systemd.mo
real 0m1.162s
user 0m0.803s
sys 0m0.338s
```
systemd-timesyncd.service only applies the much weaker monotonic clock
from file logic, i.e should pull in and order itself before
time-set.target. The strong time-sync.target unit is pulled in by
systemd-time-wait-sync.service.
In hostnamed this is exposed as a dbus property, and in the logs in both
places.
This is of interest to network management software and such: if the fallback
hostname is used, it's not as useful as the real configured thing. Right now
various programs try to guess the source of hostname by looking at the string.
E.g. "localhost" is assumed to be not the real hostname, but "fedora" is. Any
such attempts are bound to fail, because we cannot distinguish "fedora" (a
fallback value set by a distro), from "fedora" (received from reverse dns),
from "fedora" read from /etc/hostname.
/run/systemd/fallback-hostname is written with the fallback hostname when
either pid1 or hostnamed sets the kernel hostname to the fallback value. Why
remember the fallback value and not the transient hostname in /run/hostname
instead?
We have three hostname types: "static", "transient", fallback".
– Distinguishing "static" is easy: the hostname that is set matches what
is in /etc/hostname.
– Distingiushing "transient" and "fallback" is not easy. And the
"transient" hostname may be set outside of pid1+hostnamed. In particular,
it may be set by container manager, some non-systemd tool in the initramfs,
or even by a direct call. All those mechanisms count as "transient". Trying
to get those cases to write /run/hostname is futile. It is much easier to
isolate the "fallback" case which is mostly under our control.
And since the file is only used as a flag to mark the hostname as fallback,
it can be hidden inside of our /run/systemd directory.
For https://bugzilla.redhat.com/show_bug.cgi?id=1892235.
MESON_INSTALL_QUIET is set when --quiet is passed to meson install.
Make sure we check the variable in our custom install scripts and
don't output anything if it is set.
Commit 42cc2855ba incorrectly removed the condition on sysfs in both
sys-fs-fuse-connections.mount and sys-kernel-config.mount. However there are
still needed in case modprobe of one of these modules is intentionally skipped
(due to lack of privs for example).
This patch restores the 2 conditions which should be safe for the common case,
since all conditions are only checked after all deps ordered before are
complete.
Follow-up for 42cc2855ba.
udev requests to start the fs mount units when their respective module is
loaded. For that it monitors uevents of type "ADD" for the relevant fs modules.
However the uevent is sent by the kernel too early, ie before the init() of the
module is called hence before directories in /sys/fs/ are created.
This patch workarounds adds "Requires/After=modprobe@<fs-module>.service" to
the mount unit, which means that modprobe(8) will be called once the fs module
is announced to be loaded. This sounds pointless, but given that modprobe only
returns after the initialization of the module is complete, it should
workaround the issue.
As a side effect, the module will be automatically loaded if the mount unit is
started manually.
Fixes#17586.
This reverts commit 9cbf1e58f9.
The presence of /sys/module/%I directory can't be used to assert that the load
of a given module is complete and therefore the call to modprobe(8) can be
skipped. Indeed this directory is created before the init() function of the
module is called.
Users of modprobe@.service needs to be sure that once this service returns the
module is fully operational.
This is useful for development where overwriting files out side
the configured prefix will affect the host as well as stateless
systems such as NixOS that don't let packages install to /etc but handle
configuration on their own.
Alternative to https://github.com/systemd/systemd/pull/17501
tested with:
$ mkdir inst build && cd build
$ meson \
-Dcreate-log-dirs=false \
-Dsysvrcnd-path=$(realpath ../inst)/etc/rc.d \
-Dsysvinit-path=$(realpath ../inst)/etc/init.d \
-Drootprefix=$(realpath ../inst) \
-Dinstall-sysconfdir=false \
--prefix=$(realpath ../inst) ..
$ ninja install
To make things simple and robust when debugging journald, we'll leave
the SO_TIMESTAMP invocations in the C code in place, even if they are
now typically redundant, given that the sockets are already passed into
the process with SO_TIMESTAMP turned on now.
[zjs: Replaces #17149.
I took half of the patch in
https://github.com/systemd/systemd/pull/17149#issuecomment-698399194,
hence I'm keeping Jonathan's authorship.
The original reasoning for 6c5496c492 was that we
enable remote-cryptsetup.target via presets, and since presets are not used for
the initrd, we need a different target. But since parts of the unit and target
tree are shared between the initramfs and the main system, we can't just create
a separate target for the initramfs. All the targets that depend on this one
would need to be split also. That condition is true for initrd-fs.target, but
not for sysinit.target.
So let's instead just uncoditionally pull in remote-cryptsetup.target in the
initramfs. It should normally be empty, so there should be no impact on boots
that don't have units in the target.
Jonathan's patch used initrd-root-fs.target, this version instead uses
initrd-root-device.target. initrd-root-device.target is ordered before
sysroot.mount, which means that the decrypted devices will be available earlier
too.]
This reverts commit 6c5496c492.
sysinit.target is shared between the initrd and the host system. Pulling in
initrd-cryptsetup.target into sysinit.target causes the following warning at
boot:
Oct 27 10:42:30 workstation-uefi systemd[1]: initrd-cryptsetup.target: Starting requested but asserts failed.
Oct 27 10:42:30 workstation-uefi systemd[1]: Assertion failed for initrd-cryptsetup.target.
For encrypted block devices that we need to unlock from the initramfs,
we currently rely on dracut shipping `cryptsetup.target`. This works,
but doesn't cover the case where the encrypted block device requires
networking (i.e. the `remote-cryptsetup.target` version). That target
however is traditionally dynamically enabled.
Instead, let's rework things here by adding a `initrd-cryptsetup.target`
specifically for initramfs encrypted block device setup. This plays the
role of both `cryptsetup.target` and `remote-cryptsetup.target` in the
initramfs.
Then, adapt `systemd-cryptsetup-generator` to hook all generated
services to this new unit when running from the initrd. This is
analogous to `systemd-fstab-generator` hooking all mounts to
`initrd-fs.target`, regardless of whether they're network-backed or not.
Ensure that systemd-random-seed.service has completed before marking
a first boot as completed to guarantee that a saved seed will only be
used after it has been initialized at least once.
Make sure systemd-firstboot completes before reaching first-boot-complete.target
and thus marking the first boot as completed. This way, it is
guaranteed that systemd-firstboot has a chance to complete provisioning
at least once, even in cases of the first boot getting aborted early.
Add a new target for synchronizing units that wish to run once during
the first boot of the system. The machine-id will be committed to disk
only after the target has been reached, thus ensuring that all units
ordered before it had a chance to complete.
Let's explicitly deactivate all home dirs on shutdown, in order to
properly synchronizing unmounting and avoiding blocking devices.
Previously, we'd rely on automatic deactivation when home directories
become unused. However, that scheme is asynchronous, and ongoing
deactviations might conflicts with attempts to unmount /home. Let's fix
that by providing an explicit service systemd-homed-activate.service
whose only job is to have a ExecStop= line that explicitly deactivates
all home directories on shutdown. This service can the be ordered after
home.mount and similar, ensuring that we'll first deactivate all homes
before deactivating /home itself during shutdown.
This is kept separate from systemd-homed.service so that it is possible
to restart systemd-homed.service without deactivating all home
directories.
Fixes: #16842
RC_LOCAL_SCRIPT_PATH_START and RC_LOCAL_SCRIPT_PATH_STOP were was originally
added in the conversion to meson based on the autotools name. In
4450894653 RC_LOCAL_SCRIPT_PATH_STOP was dropped.
We don't need to use such a long name.
Add After=systemd-networkd.socket to avoid a race condition and networkd
falling back to the non-socket activation code.
Also add Wants=systemd-networkd.socket, so the socket is started when
networkd is started via `systemctl start systemd-networkd.service`.
A Requires is not strictly necessary, as networkd still ships the
non-socket activation code. Should this code be removed one day, the
Wants should be bumped to Requires accordingly.
See also 5544ee8516.
Fixes: #16809
This should make /home as automount work reasonably well.
If /home is an automount this has little effect at boot, because if the
automount is not triggered it doesn't matter how the associated mount is
ordered.
It does matter at shutdown however, where home.mount is likely active
now. There the ordering means we'll end sessions first, and only then
deactivate home.mount.
Fixes: #16291
Combining Requires= with Before= doesn't really make sense, since this
means we are requiring something that runs after us, which logically
cannot be fulfilled.
Let's hence downgrade Requires= to Wants= so that the ordering is kept
but no failure propagation implied.
This should be enough to fix https://bugzilla.redhat.com/show_bug.cgi?id=1856514.
But the limit should be significantly higher than 10% anyway. By setting a
limit on /tmp at 10% we'll break many reasonable use cases, even though the
machine would deal fine with a much larger fraction devoted to /tmp.
(In the first version of this patch I made it 25% with the comment that
"Even 25% might be too low.". The kernel default is 50%, and we have been using
that seemingly without trouble since https://fedoraproject.org/wiki/Features/tmp-on-tmpfs.
So let's just make it 50% again.)
See 7d85383edb.
(Another consideration is that we learned from from the whole initiative with
zram in Fedora that a reasonable size for zram is 0.5-1.5 of RAM, and that pretty
much all systems benefit from having zram or zswap enabled. Thus it is reasonable
to assume that it'll become widely used. Taking the usual compression effectiveness
of 0.2 into account, machines have effective memory available of between
1.0 - 0.2*0.5 + 0.5 = 1.4 (for zram sized to 0.5 of RAM) and
1.0 - 0.2*1.5 + 1.5 = 2.2 (for zram 1.5 sized to 1.5 of RAM) times RAM size.
This means that the 10% was really like 7-4% of effective memory.)
A comment is added to mount-util.h to clarify that tmp.mount is separate.
This reverts commit c7220ca802.
The removal was done as a reaction to the messages from systemd:
initrd-root-fs.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail).
initrd.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail).
initrd-root-device.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail).
initrd-fs.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail).
local-fs.target: Requested dependency OnFailure=emergency.target ignored (target units cannot fail).
...
But it seems that the messages themselves are wrong, and the units were OK.
Strictly speaking you can run homed without userdb. But it doesn't
really make much sense: they go hand in hand and implement the same
concepts, just for different sets of users. Let's hence disable both
automatically by default if homed is requested.
(We don't do the reverse: opting into userdbd shouldn't mean that you
are OK with homed.)
And of course, users can always deviate from our defaults easily, and
turn off userbd again right-away if they don't like it, and things will
generally work.
This generator can be used by desktop environments to launch autostart
applications and services. The feature is an opt-in, triggered by
xdg-desktop-autostart.target being activated.
Also included is the new binary xdg-autostart-condition. This binary is
used as an ExecCondition to test the OnlyShowIn and NotShowIn XDG
desktop file keys. These need to be evaluated against the
XDG_CURRENT_DESKTOP environment variable which may not be known at
generation time.
Co-authored-by: Henri Chain <henri.chain@enioka.com>
In our regular gettys the actual shell commands live the the session
scope anyway (as long as logind is used). Hence, let's avoid
KillMode=process, it serves no purpose and is simply unsafe since it
disables systemd's own process lifecycle management.
We want to watch USB sticks being plugged in, and that requires
AF_NETLINK to work correctly and get the host's events. But if we live
in a network namespace AF_NETLINK is disconnected too and we'll not get
the host udev events.
Fixes: #15287
Limit size of various tmpfs mounts to 10% of RAM, except volatile root and /var
to 25%. Another exception is made for /dev (also /devs for PrivateDevices) and
/sys/fs/cgroup since no (or very few) regular files are expected to be used.
In addition, since directories, symbolic links, device specials and xattrs are
not counted towards the size= limit, number of inodes is also limited
correspondingly: 4MB size translates to 1k of inodes (assuming 4k each), 10% of
RAM (using 16GB of RAM as baseline) translates to 400k and 25% to 1M inodes.
Because nr_inodes option can't use ratios like size option, there's an
unfortunate side effect that with small memory systems the limit may be on the
too large side. Also, on an extremely small device with only 256MB of RAM, 10%
of RAM for /run may not be enough for re-exec of PID1 because 16MB of free
space is required.
"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.
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
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
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.
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.
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.
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.
/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
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.
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.
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.
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.
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.
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
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.
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>
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.
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)
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.
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
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.
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.
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.
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.
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
