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Allow to setup new bind mounts for a service at runtime (via either
DBUS or a new 'systemctl bind' verb) with a new helper that forks into
the unit's mount namespace.
Add a new integration test to cover this.
Useful for zero-downtime addition to services that are running inside
mount namespaces, especially when using RootImage/RootDirectory.
If a service runs with a read-only root, a tmpfs is added on /run
to ensure we can create the airlock directory for incoming mounts
under /run/host/incoming.
As described in #2680, systemctl did ignore inhibitors if it is not
attached to a tty to allow scripts to ignore inhibitors automatically.
This pull request preserves this behavior but allows scripts to
explicit check inhibitors if required.
The new parameter '--check-inhibitors=yes' enables this feature.
The old parameter '-i'/'--ignore-inhibitors' was deprecated in favor
of '--check-inhibitors=no', the default behaviour can be specified
with '--check-inhibitors=auto'.
The new parameter is also described in the documentations and shell
completions found here.
unset-environment is completed with variable names in the environment block.
set-environment the same, but suffixed with "=".
import-environment is completed with variable names in the client environment.
Timestamps for unit start/stop are recorded with microsecond granularity,
but status and show truncate to second granularity by default.
Add a --timestamp=pretty|us|utc option to allow including the microseconds
or to use the UTC TZ to all timestamps printed by systemctl.
The "preset" column introduced in
b01c1f305c breaks zsh completion for
systemctl disable/enable. Fix by ignoring everything after the last
space in a line.
Hiding the first column, which may contain bullet circles, with --no-legend
is undocumented and potentially unexpected. On the other hand, not printing
bullet circles with --plain is documented so hiding the column with that
switch is sensible.
The combination "--full --no-legend --no-pager --plain" is appropriate for
automated processing of systemctl output.
- Don't redefine helpers on every call
- Prefix helper names with main function name
- Adjust some helper names for consistency and convention adherance
Currently the completion adds template units for commands such as
is-active, is-failed, is-enabled, status, show and others.
At the same time systemctl barfs at us, since an instanced template unit
is needed. Follow the example list from bash-completion as to which
commands should not list template units.
Note: The above is observed regardless of DefaultInstance.
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Template units lacking DefaultInstance cannot be enabled/disabled or
started/restarted.
By adding DefaultInstance the unit can be enabled/disabled but it
still cannot be started/restarted.
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Earlier patch added the current word to the performance critical paths.
Here we add it to every place, for consistency sake.
Suggested-by: Yu Watanabe (yuwata)
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
This effectively ports over b1bdb6496c
from the bash completion to zsh.
Modulo the new function, since it's unrelated perf. improvement.
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Using a leading * and $SUFFIX produces misleading results. Let's imagine
that one mistypes nect instead of netc, they will get a rather
misleading completion like: sys-fs-fuse-connections.mount
Not to mention that the execution time is up by ~1/3.
time systemctl list-unit-files netctl* -> ~12ms
time systemctl list-unit-files *netctl* -> ~17ms
Furthermore more units are matched, leading to greater execution time
of `systemctl show' in _filter_units_by_property
Use only $PREFIX*, removing the leading * and trailing $SUFFIX*.
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Suspend to Hibernate is a new sleep method that invokes suspend
for a predefined period of time before automatically waking up
and hibernating the system.
It's similar to HybridSleep however there isn't a performance
impact on every suspend cycle.
It's intended to use with systems that may have a higher power
drain in their supported suspend states to prevent battery and
data loss over an extended suspend cycle.
Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
This change noticeably increases completion performance at the expense
of preventing possible _correct, _approximate or any matcher-list rules.
Still, responsiveness increase so huge seems to make it worth the price.
'systemctl --failed' is an extremely common operation and it's nice to have
a shortcut for it.
Revert "man: don't document systemctl --failed" and add the option back to
systemctl's help and shell completion scripts.
This reverts commit 036359ba8d.
I found several issues with zsh completion code:
1. typo in cache filename: "SYS_ALL_PROPRTIES", so cache just not loading from this file
2. cache stored in one file, despite user or system mode. So it can be loaded later in wrong mode
3. most serious problem: broken logic - it retrieves cache when _cache_invalid is true
How to reproduce: type "systemctl --user status <TAB>" and you will see user units. Then press
control+C and type "systemctl --system status <TAB>" in same session and you'll see user units again
Escape unit names for the eval call in _call_program
The value of the Id property is transformed back into a unit name
usable by systemctl.
system-systemd\x5cx2dcryptsetup.slice -> system-systemd\x2dcryptsetup.slice
Also filter units by property via parameter expansion, not a for loop
In 68c4f6d the following was added:
local -a _modes; _modes=("--user" "--system")
local _sys_service_mgr=${${words:*_modes}[(R)(${(j.|.)_modes})]:---system}
With the following comment:
> If neither are on the line, --system is set; for system services to be
> completed.
But it does not work as documented:
% _modes=(--user --system)
% words=()
% echo ${${words:*_modes}[(R)(${(j.|.)_modes})]:---system}
However, it should not use `--system` in that case anyway, so this patch
removes the part that should cause a default to be used and adds some
comments.
Use `$_sys_service_mgr` to handle `--user`, so that `systemctl --user
stop` will correctly filter the active (user) units. Before this patch,
only user units that also exist as system units and are stoppable there
would be listed.
But also keep the old name as (undocumented) compatibility around.
The reload-or-try-restart was documented to be a NOP if the unit is not running, since the previous commits this is
also implemented. The old name suggests that the "try" logic only applies to restarting. Fix this, by moving the "try-"
to the front, to indicate that the whole option is a NOP if the service isn't running.
Snapshots were never useful or used for anything. Many systemd
developers that I spoke to at systemd.conf2015, didn't even know they
existed, so it is fairly safe to assume that this type can be deleted
without harm.
The fundamental problem with snapshots is that the state of the system
is dynamic, devices come and go, users log in and out, timers fire...
and restoring all units to some state from the past would "undo"
those changes, which isn't really possible.
Tested by creating a snapshot, running the new binary, and checking
that the transition did not cause errors, and the snapshot is gone,
and snapshots cannot be created anymore.
New systemctl says:
Unknown operation snapshot.
Old systemctl says:
Failed to create snapshot: Support for snapshots has been removed.
IgnoreOnSnaphost settings are warned about and ignored:
Support for option IgnoreOnSnapshot= has been removed and it is ignored
http://lists.freedesktop.org/archives/systemd-devel/2015-November/034872.html
Optimize _filter_units_by_property by calling `systemctl` only once with
a list of units, and not once per unit.
I could not reproduce the "Unknown unit" error mentioned in a FIXME,
which might have made this necessary previously.
using _wanted instead of calling compadd directly. this allows the user to customize
possible matches.
An example being, grouping units by type:
autoload -Uz compinit; compinit
zstyle ':completion:*' menu select
zstyle ':completion:*' group-name ''
zstyle ':completion:*' format 'Completing %d'
zstyle -e ':completion:*:*:systemctl-(((re|)en|dis)able|(*re|)start|reload*):*' \
tag-order 'local type; for type in service template target socket;
reply+=( systemd-units:-${type}:${type} ); reply=( "$reply systemd-units:-misc:misc" )'
zstyle ':completion:*:systemd-units-template' ignored-patterns '^*@'
zstyle ':completion:*:systemd-units-target' ignored-patterns '^*.target'
zstyle ':completion:*:systemd-units-socket' ignored-patterns '^*.socket'
zstyle ':completion:*:systemd-units-service' ignored-patterns '^*.service'
zstyle ':completion:*:systemd-units-misc' ignored-patterns '*(@|.(service|socket|target))'
also, <poke> http://lists.freedesktop.org/archives/systemd-devel/2015-May/032012.html
By the time __systemctl is called, --user/--system are shifted out of
`words' by _arguments. This patch queries the array sooner.
In the case that both --user and --system are on the line when compsys runs,
_sys_service_mgr is set to the latter. Which is seemingly how systemctl behaves.
If neither are on the line, --system is set; for system services to be completed.
compadd's -a option treats non-option arguments as arrays. So
$(_systemctl_get_template_names) expands to some words that aren't
legal array names. Even if there were, they would be empty; thus adding
nothing.
deduplicated a few functions too.
