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Using conf.set() with a boolean argument does the right thing:
either #ifdef or #undef. This means that conf.set can be used unconditionally.
Previously I used '1' as the placeholder value, and that needs to be changed to
'true' for consistency (under meson 1 cannot be used in boolean context). All
checks need to be adjusted.
Shell scripts should be executable so that meson reports their
invocation succinctly (does not print 'sh' '-e').
Python scripts should not be executable so that meson does the
detection of the right python binary itself.
Add -u everywhere to catch potential errors.
The indentation for emacs'es meson-mode is added .dir-locals.
All files are reindented automatically, using the lasest meson-mode from git.
Indentation should now be fairly consistent.
Ideally, we would chain the m4 processing, .in substitutions, and file
installation so that the commands don't have to be repeated. Unfortunately
this does not seem currently possible, because custom_target() output cannot
be fed into install_data(), so it's necessary to use the 'install',
'install_dir' arguments to control installation. Nevertheless, rework the
rules to repeat less stuff and unify handling of conditions between the
different file types.
This is the equivalent of $(INSTALL_DIRS) and install-touch-usr-hook.
I did not bother to create the directories into which we install files,
since they will be created anyway.
v2:
- remove bashism
This is the equivalent of $(SYSTEM_UNIT_ALIASES) and $(GENERAL_ALIASES)
in Makefile.am.
ninja-build uninstall does not remove the symlinks, see
https://github.com/mesonbuild/meson/issues/1602.
I don't consider this a blocker: after all either one installs into $DESTDIR,
where uninstallation doesn't make much sense, or into a real system, where a
successfull uninstallation would likely destroy the system.
v2:
- remove bashisms
- add various forgotten symlinks and fix service/timer/target confusions
It's crucial that we can build systemd using VS2010!
... er, wait, no, that's not the official reason. We need to shed old systems
by requring python 3! Oh, no, it's something else. Maybe we need to throw out
345 years of knowlege accumulated in autotools? Whatever, this new thing is
cool and shiny, let's use it.
This is not complete, I'm throwing it out here for your amusement and critique.
- rules for sd-boot are missing. Those might be quite complicated.
- rules for tests are missing too. Those are probably quite simple and
repetitive, but there's lots of them.
- it's likely that I didn't get all the conditions right, I only tested "full"
compilation where most deps are provided and nothing is disabled.
- busname.target and all .busname units are skipped on purpose.
Otherwise, installation into $DESTDIR has the same list of files and the
autoconf install, except for .la files.
It'd be great if people had a careful look at all the library linking options.
I added stuff until things compiled, and in the end there's much less linking
then in the old system. But it seems that there's still a lot of unnecessary
deps.
meson has a `shared_module` statement, which sounds like something appropriate
for our nss and pam modules. Unfortunately, I couldn't get it to work. For the
nss modules, we need an .so version of '2', but `shared_module` disallows the
version argument. For the pam module, it also didn't work, I forgot the reason.
The handling of .m4 and .in and .m4.in files is rather awkward. It's likely
that this could be simplified. If make support is ever dropped, I think it'd
make sense to switch to a different templating system so that two different
languages and not required, which would make everything simpler yet.
v2:
- use get_pkgconfig_variable
- use sh not bash
- use add_project_arguments
v3:
- drop required:true and fix progs/prog typo
v4:
- use find_library('bz2')
- add TTY_GID definition
- define __SANE_USERSPACE_TYPES__
- use join_paths(prefix, ...) is used on all paths to make them all absolute
v5:
- replace all declare_dependency's with []
- add more conf.get guards around optional components
v6:
- drop -pipe, -Wall which are the default in meson
- use compiler.has_function() and compiler.has_header_symbol instead of the
hand-rolled checks.
- fix duplication in 'liblibsystemd' library name
- use the right .sym file for pam_systemd
- rename 'compiler' to 'cc': shorter, and more idiomatic.
v7:
- use ENABLE_ENVIRONMENT_D not HAVE_ENVIRONMENT_D
- rename prefix to prefixdir, rootprefix to rootprefixdir
("prefix" is too common of a name and too easy to overwrite by mistake)
- wrap more stuff with conf.get('ENABLE...') == 1
- use rootprefix=='/' and rootbindir as install_dir, to fix paths under
split-usr==true.
v8:
- use .split() also for src/coredump. Now everything is consistent ;)
- add rootlibdir option and use it on the libraries that require it
v9:
- indentation
v10:
- fix check for qrencode and libaudit
v11:
- unify handling of executable paths, provide options for all progs
This makes the meson build behave slightly differently than the
autoconf-based one, because we always first try to find the executable in the
filesystem, and fall back to the default. I think different handling of
loadkeys, setfont, and telinit was just a historical accident.
In addition to checking in $PATH, also check /usr/sbin/, /sbin for programs.
In Fedora $PATH includes /usr/sbin, (and /sbin is is a symlink to /usr/sbin),
but in Debian, those directories are not included in the path.
C.f. https://github.com/mesonbuild/meson/issues/1576.
- call all the options 'xxx-path' for clarity.
- sort man/rules/meson.build properly so it's stable
systemd-resolved provides
1. local API via NSS and D-Bus
2. kind of a local "DNS proxy" through its stub listener
The 1st item should be started before nss-lookup.target.
The 2nd item should be started before network-online.target,
because if the networking works in general, then DNS (and DNS proxy) should too.
Fixes#5650
This makes dbus-org.freedesktop.network1.service like dbus-org.freedesktop.resolve1.service.
When systemd-networkd.service is disabled, the alias is also removed.
The commit c7fb922d62 prohibits
journal-upload to save its state in /var/lib/systemd/journal-upload/state,
thus the daemon fails and outputs the following error message even if
the directory is not read-only file system
```Cannot save state to /var/lib/systemd/journal-upload/state: Read-only file system```
This commit adds the permission the daemon to write the state file.
Creating quota on an iscsi device is causing dependency loops at next reboot.
Reason is that systemd-quotacheck and quotaon.service are ordered before
local-fs.target and quota enabled mounts have a before dependency to them.
This cannot work for _netdev mounts, because network activation is ordered
after local-fs.target.
Moving the Before dependency for systemd-quotacheck and quotaon.service
to remote-fs.target fixes this.
Commit 5ed020d8d1 already fixed this issue for
getty@.service but forgot serial console.
Note that this is not needed for emergency target as the sysinit target
conflicts against this target already.
In 58a6dd1558 s-n-wait-online.service was added
to presets to synchronize the presets with the state after installation. But it
is harmful to have s-n-wait-online.service enabled when s-n.service is
disabled, because s-n-wait-online.service has Requsite=s-n.service and cannot
be activated. Thus remove s-n-wait-online.service from presets again, and let
it be enabled whenever s-n.service is enabled.
During installation we create enablement symlinks by hand, and since s-n.service
is enabled, s-n-w-o.service should be enabled too, so the symlink should still
be created during installation.
https://bugzilla.redhat.com/show_bug.cgi?id=1433459#c15
The emergency.service and rescue.service units have become rather
convoluted. We spawn multiple shells and the help text spans multiple lines
which makes the units hard to read.
Move the logic into a single shell script and call that via ExecStart.
Ideally, plymouth should only be referenced via dependencies,
not ExecStartPre's. This at least avoids the confusing error message
on minimal installations that do not carry plymouth.
The change:
-/usr/lib/systemd/system/dbus-org.freedesktop.resolve1.service
+/etc/systemd/system/dbus-org.freedesktop.resolve1.service
If resolved is disabled, without this, talking to the resolved bus API will
activate it regardless whether it is enabled or not, let's fix that.
Basically, we turn it on for most long-running services, with the
exception of machined (whose child processes need to join containers
here and there), and importd (which sandboxes tar in a CLONE_NEWNET
namespace). machined is left unrestricted, and importd is restricted to
use only "net"
When the service is run in the initramfs, it is possible for it to get started
and not be fast enough to exit before the root switch happens. It is started
multiple times (depending on the consoles being detected), and runs
asynchronously, so this is quite likely. It'll then get killed by killall(),
and systemd will consider the service failed. To avoid all this, just wait
for the service to terminate on it's own.
Before=initrd-switch-root.target should be good for the initramfs, and
Before=shutdown.tuarget should be good for the real system, although it's
unlikely to make any difference there.
The service already has DefaultDeps disabled, so systemd should not try to stop
it. And if it *does* get stopped, we don't want the zombie process around.
KillMode=none does not change anything in the killall() phase, and we already
use argv[0][0] = '@' to protect against that anyway. KillMode=none should not
be useful in normal operation, so let's leave it out.
The service is supposed to regenerate the catalog index whenever /usr is
updated, but /var is not. Hence the ConditionNeedsUpdate= line should
actually reference /var, as that's where the index file is located.
This adds support for a new kernel command line option "systemd.volatile=" that
provides the same functionality that systemd-nspawn's --volatile= switch
provides, but for host systems (i.e. systems booting with a kernel).
It takes the same parameter and has the same effect.
In order to implement systemd.volatile=yes a new service
systemd-volatile-root.service is introduced that only runs in the initrd and
rearranges the root directory as needed to become a tmpfs instance. Note that
systemd.volatile=state is implemented different: it simply generates a
var.mount unit file that is part of the normal boot and has no effect on the
initrd execution.
The way this is implemented ensures that other explicit configuration for /var
can always override the effect of these options. Specifically, the var.mount
unit is generated in the "late" generator directory, so that it only is in
effect if nothing else overrides it.
Note: the name is "system-update-cleanup.service" rather than
"system-update-done.service", because it should not run normally, and also
because there's already "systemd-update-done.service", and having them named
so similarly would be confusing.
In https://bugzilla.redhat.com/show_bug.cgi?id=1395686 the system repeatedly
entered system-update.target on boot. Because of a packaging issue, the tool
that created the /system-update symlink could be installed without the service
unit that was supposed to perform the upgrade (and remove the symlink). In
fact, if there are no units in system-update.target, and /system-update symlink
is created, systemd always "hangs" in system-update.target. This is confusing
for users, because there's no feedback what is happening, and fixing this
requires starting an emergency shell somehow, and also knowing that the symlink
must be removed. We should be more resilient in this case, and remove the
symlink automatically ourselves, if there are no upgrade service to handle it.
This adds a service which is started after system-update.target is reached and
the symlink still exists. It nukes the symlink and reboots the machine. It
should subsequently boot into the default default.target.
This is a more general fix for
https://bugzilla.redhat.com/show_bug.cgi?id=1395686 (the packaging issue was
already fixed).
- use "service" instead of "script", because various offline updaters that we have
aren't really scripts, e.g. dnf-plugin-system-upgrade, packagekit-offline-update,
fwupd-offline-update.
- strongly recommend After=sysinit.target, Wants=sysinit.target
- clarify a bit what should happen when multiple update services are started
- replace links to the wiki with refs to the man page that replaced it.
This is a different way to implement the fix proposed by commit
a4021390fe suggested by Lennart Poettering.
In this patch we instruct PID1 to not kill "systemctl switch-root" command
started by initrd-switch-root service using the "argv[0][0]='@'" trick.
See: https://www.freedesktop.org/wiki/Software/systemd/RootStorageDaemons/ for
more details.
We had to backup argv[0] because argv is modified by dispatch_verb().
With the previous improvements, networkd.service's "After=dbus.service" can now
be dropped. That ordering effectively forced networkd.service to run in late
boot only (dbus.service was rejected to run in early boot in
https://bugs.freedesktop.org/show_bug.cgi?id=98254).
Fixes#4504
Since commit 1f0958f640, systemd considers SIGTERM for short-running
services (aka Type=oneshot) as a failure.
This can be an issue with initrd-switch-root.service as the command run by this
service (in order to switch to the new rootfs) may still be running when
systemd does the switch.
However PID1 sends SIGTERM to all remaining processes right before
switching and initrd-switch-root.service can be one of those.
After systemd is reexecuted and its previous state is deserialized, systemd
notices that initrd-switch-root.service was killed with SIGTERM and considers
this as a failure which leads to the emergency shell.
To prevent this, this patch teaches systemd to consider a SIGTERM exit as a
clean one for this service.
It also removes "KillMode=none" since this is pretty useless as the service is
never stopped by systemd but it either exits normally or it's killed by a
SIGTERM as described previously.
The mount fails, even though CAP_SYS_ADMIN is granted.
Only file systems with FU_USERNS_MOUNT in .fs_flags may be mounted in userns,
and the patch to add that fusectl was rejected [1]. It would be nice if we
could check if the kernel has FU_USERNS_MOUNT for a given fs type, since this
could change over time, but this information doesn't seem to be exported.
So let's just skip this mount in userns to avoid an error during boot.
[1] https://patchwork.kernel.org/patch/2828269/
