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running in user mode
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These printf specifiers allow us to refer to $HOME and $USER
in unit files. These are particularly helpful in instanced
units that have "User=" set, and in systemd --user domains.
The specifiers will return the pw_name and pw_dir fields
if the unit file has a User= field.
If the unit file does not have a User= field, the value
substituted is either $USER or $HOME from the environment,
or, if unset, the values from pw_name or pw_dir.
This patch is somewhat after Ran Benita's original patch,
which didn't get merged. I've split up the 2 specifiers
and extended them to do what is logically expected from
these specifiers.
Note that expansion is done at `start` time, not after
the units are parsed. Using `systemctl show` will just
show the specifiers.
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<koen> | ./src/shared/unit-name.h:29:23: error: redefinition of typedef 'UnitType'
<koen> | ./src/core/unit.h:30:23: note: previous declaration of 'UnitType' was here
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all other dependencies are in 3rd person. Change BindTo= accordingly to
BindsTo=.
Of course, the dependency is widely used, hence we parse the old name
too for compatibility.
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There's no point in reopening /dev/console if we reopen it anyway
afterwards.
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We don't do device handling in containers, hence no loop devices either.
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This is to match strappend() and the other string related functions.
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If accessing an automount point triggers more changes to
/proc/self/mountinfo than just to add the directly wanted mount, these
changes can lead to spurious -ENODEV notifications on the automount unit
causing the request to fail when in fact the mount will be setup right
afterwards.
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This makes it possible to use them from systemctl without linking
against the core.
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to unit-name.h
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This makes it possible to use them from systemctl without linking
against the core. A string->enum lookup table is added.
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The MeeGo distribution is still a supported distribution, but
will probably not see an updated version of systemd anymore.
Most of the development is focussing on Tizen now, and the
generic support for building --with-distro=other is more than
adequate enough.
This patch removes the support as a custom configuration build
target in systemd. People who are still building this for
the MeeGo distribution should build as "other" distro.
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mount but can't due to EROFS
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sd_notify() should work for daemons that chroot() as part of their
initilization, hence it's a good idea to use an abstract namespace
socket which is not affected by chroot.
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Having information from /proc/self/mountinfo is sufficient to consider a
mount unit loaded.
When there's no mountinfo, the loading of the fragment for the mount
unit is not optional. No extra dependency links must be added when the
loading fails.
https://bugzilla.redhat.com/show_bug.cgi?id=835848
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This adds a timeout if the TTY cannot be acquired and makes sure we
always output the question to the console, never to the TTY of the
respective service.
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With misconfigured mysql, which uses Restart=always, the following two
messages would loop indefinitely and the "systemctl start" would never
finish:
Job pending for unit, delaying automatic restart.
mysqld.service holdoff time over, scheduling restart.
In service_enter_dead() always set the state to SERVICE_FAILED/DEAD first
before setting SERVICE_AUTO_RESTART. This is to allow running jobs to
complete. OnFailure will be also triggered at this point, so there's no
need to do it again from service_stop() (where it was added in commit
f0c7b229).
Note that OnFailure units should better trigger only after giving up
auto-restarting, but that's for another patch to solve.
https://bugzilla.redhat.com/show_bug.cgi?id=832039
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The last argument to service_enter_dead() is bool allow_restart, not
a service result.
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Clients should always watch /dev/watchdog directly, instead of going
indirect. Let's keep our stacks small.
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The rule is that units that encapsulate our own code are prefixed with
"systemd-". Since the fsck units invoke our own code, hence add the
missing prefix. Since a long long time the fsck units didn't invoke the
naked fsck binaries anymore, and it is unlikely that this well ever
change. On the opposite: the code in systemd-fsck will probably get more
complex over time to handle fsck progress to plymouth forwarding.
Same for quotacheck (but not quotaon!)
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Names= is a source of errors, simply because alias names specified like
this only become relevant after a unit has been loaded but cannot be
used to load a unit.
Let's get rid of the confusion and drop this field. To establish alias
names peope should use symlinks, which have the the benefit of being
useful as key to load a unit, even though they are not taken into
account if unit names are listed but they haven't been explicitly
referenced before.
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People should use systemd.pc if anything at all to determine these
directories, and people should not assume that the bus fields are part
of the supported API, so let's just drop this.
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This option never made much sense. It was originally intended to make
sure that the usual startup output of sysv scripts goes to the terminal.
However, since SysV scripts started from a terminal would not output to
that terminal, but rather /dev/console this effect was more often than
not actually taking place. Nowadays systemd has much nicer boot time
status output than SysV which makes the sysv output redundant. Finally,
all output of services goes to the journal anyway, and is not lost.
Hence, let's drop this option, and simplify things a bit.
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unit names
This makes sure that
systemctl status /home
is implicitly translated to:
systemctl status /home.mount
Similar, /dev/foobar becomes dev-foobar.device.
Also, all characters that cannot be part of a unit name are implicitly
escaped.
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This generalizes a bit of the functionality already available in dracut.
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As described in
https://bugs.freedesktop.org/show_bug.cgi?id=50184
the journal currently doesn't set fields such as _SYSTEMD_UNIT
properly for messages coming from processes that have already
terminated. This means among other things that "systemctl status" may
not show some of the output of services that wrote messages just
before they exited.
This patch fixes this by having processes that log to the journal
write their unit identifier to journald when the connection to
/run/systemd/journal/stdout is opened. Journald stores the unit ID
and uses it to fill in _SYSTEMD_UNIT when it cannot be obtained
normally (i.e. from the cgroup). To prevent impersonating another
unit, this information is only used when the caller is root.
This doesn't fix the general problem of getting metadata about
messages from terminated processes (which requires some kernel
support), but it allows "systemctl status" and similar queries to do
the Right Thing for units that log via stdout/stderr.
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Let's try to standardize a bit the RPM macros used for
installing/uninstalling services.
This only covers the non-SysV compat bits, since that tends to vary
widely between the various distros.
Usage:
Add %{?systemd_requires} to the header of the spec file. And then:
%post
%systemd_post foobar.service
%preun
%systemd_preun foobar.service
%postun
%systemd_postun foobar.service
And, instead of the latter, in case the service shall be restarted on updates:
%postun
%systemd_postun_restart foobar.service
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Command systemctl stop foo.service, will print error message, when
foo.service is unknown to systemd, i.e. there is no unit file loaded for
this service.
https://bugzilla.redhat.com/show_bug.cgi?id=732874
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Add possibility to specify timeout for oneshot services.
[ https://bugzilla.redhat.com/show_bug.cgi?id=761656
Added minor fixups. -- michich ]
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Use the same function in core and in systemctl.
get_unit_path() in systemctl becomes unnecessary.
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