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Commit Graph

3428 Commits

Author SHA1 Message Date
Lennart Poettering
e78ee06de1 core: add a new sd_notify() message for removing fds from the FD store again
Currenly the only way to remove fds from the fdstore is to fully
stop the service, or to somehow trigger POLLERR/POLLHUP on the fd, in
which case systemd will remove the fd automatically.

Let's add another way: a new message that can be sent to remove fds
explicitly, given their name.
2017-11-27 17:04:04 +01:00
Lennart Poettering
8d1ab18a46 man: slightly improve the sd_notify() documentation regarding READY=1
READY=1 may be used to signal when a service finished startup, but also
when it finished reloading. Say so.
2017-11-27 17:01:09 +01:00
Lennart Poettering
c45d11cb30 service: reorder sd_notify() handling a bit
Let's keep handling of WATCHDOG= and WATCHDOG_USEC= together. No
functional changes.
2017-11-27 16:59:52 +01:00
Zbigniew Jędrzejewski-Szmek
559d215b67 meson: restore building of man pages on demand even if -Dman=false
I want to configure -Dman=false for speed, but be able to build a specific
man page sometimes to check my edits. Commit 5b316b9ea6 broke this by mistake.
Let's adjust the condition to better match the logic of disabling tests only
if xsltproc is really not found.
2017-11-24 14:00:29 +01:00
Lennart Poettering
b8afec2107 man: reorder/add sections to systemd.exec(5) (#7412)
The long long list of settings is getting too confusing, let's add some
sections and reorder things in them.

This makes no changes regarding contents, it only reorders things,
sometimes reindents them, and adds sections that made sense to me to
some degree.

Within each sections the settings are ordered by relevance (at least
according to how relevant I personally find them), and not
alphabetically.
2017-11-23 21:20:48 +01:00
Zbigniew Jędrzejewski-Szmek
bfbcf21d75
Merge pull request #7406 from poettering/timestamp-rework
timestamping rework
2017-11-22 11:55:04 +01:00
Susant Sahani
d6df583c87 networkd: introduce vxcan netdev. (#7150)
Similar to the virtual ethernet driver veth, vxcan implements a
local CAN traffic tunnel between two virtual CAN network devices.
When creating a vxcan, two vxcan devices are created as pair
When one end receives the packet it appears on its pair and vice
versa. The vxcan can be used for cross namespace communication.
2017-11-22 08:23:22 +01:00
Zbigniew Jędrzejewski-Szmek
ffb70e4424
Merge pull request #7381 from poettering/cgroup-unified-delegate-rework
Fix delegation in the unified hierarchy + more cgroup work
2017-11-22 07:42:08 +01:00
Lennart Poettering
0b0c55fafd
Merge pull request #7363 from poettering/success-action
Generalize FailureAction=, and add SuccessAction=
2017-11-21 11:57:42 +01:00
Lennart Poettering
99f3baa983 man: clarify that the controllers listed on Delegate= might not be the only ones 2017-11-21 11:54:08 +01:00
Susant Sahani
762e2659b9 networkd: support incoming/outgoing device for rule matching (#7223)
Closes #7210
2017-11-21 11:51:50 +01:00
Lennart Poettering
213242a36b man: bootup(7) is one of our own man pages 2017-11-21 11:01:34 +01:00
Lennart Poettering
e7dfbb4e74 core: introduce SuccessAction= as unit file property
SuccessAction= is similar to FailureAction= but declares what to do on
success of a unit, rather than on failure. This is useful for running
commands in qemu/nspawn images, that shall power down on completion. We
frequently see "ExecStopPost=/usr/bin/systemctl poweroff" or so in unit
files like this. Offer a simple, more declarative alternative for this.

While we are at it, hook up failure action with unit_dump() and
transient units too.
2017-11-20 16:37:22 +01:00
Lennart Poettering
53c35a766f core: generalize FailureAction= move it from service to unit
All kinds of units can fail, hence it makes sense to offer this as
generic concept for all unit types.
2017-11-20 16:37:22 +01:00
Zbigniew Jędrzejewski-Szmek
5d9adb5b60 man: fix description of --force in halt(8) (#7392)
https://bugzilla.redhat.com/show_bug.cgi?id=1449751
2017-11-20 14:27:46 +01:00
Lennart Poettering
4ff183d419
Merge pull request #7154 from keszybz/bootspec
List bootspec entries in bootctl and use the default for kexec
2017-11-20 13:06:33 +01:00
Zbigniew Jędrzejewski-Szmek
f9753b0c79
Merge pull request #7373 from poettering/analyze-calendar
add nifty little "systemd-analyze calendar" command
2017-11-20 11:25:55 +01:00
Lennart Poettering
6d86f4bd11 analyze: add new "calendar" command
This little new command can parse, validate, normalize calendar events,
and calculate when they will elapse next. This should be useful for
anyone writing calendar events and who'd like to validate the expression
before running them as timer units.
2017-11-20 10:57:41 +01:00
John Lin
e79eabdb1b man: Requires= stops this unit when dependencies get deactivated (#7391)
Fixes: #7372
2017-11-20 10:55:52 +01:00
Lennart Poettering
0133d5553a
Merge pull request #7198 from poettering/stdin-stdout
Add StandardInput=data, StandardInput=file:... and more
2017-11-19 19:49:11 +01:00
Zbigniew Jędrzejewski-Szmek
3a726fcd08 Add license headers and SPDX identifiers to meson.build files
So far I avoided adding license headers to meson files, but they are pretty
big and important and should carry license headers like everything else.
I added my own copyright, even though other people modified those files too.
But this is mostly symbolic, so I hope that's OK.
2017-11-19 19:08:15 +01:00
Zbigniew Jędrzejewski-Szmek
f48f7543ca Add missing headers and SPDX identifiers to man pages 2017-11-19 19:08:15 +01:00
Zbigniew Jędrzejewski-Szmek
572eb058cf Add SPDX license identifiers to man pages 2017-11-19 19:08:15 +01:00
Lennart Poettering
5c856d1e6c
Merge pull request #7388 from keszybz/doc-tweak
Add link to kernel docs about no_new_privs and drop note about CPU controller
2017-11-19 17:50:35 +01:00
Lennart Poettering
d3590acede machined: support "machinectl bind" on non-directories (#7349)
Fixes: #7195
2017-11-19 14:23:29 +01:00
Zbigniew Jędrzejewski-Szmek
c12ad58c41 man: remove note about CPU controller being unmerged
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0d5936344f30aba0f6ddb92b030cb6a05168efe6

In principle we shouldn't merge this until after 4.15 is released, but the
chances of a revert upstream are low, and in that unlikely scenario we can just
revert this patch, it's a trivial documentation update after all.
2017-11-19 14:15:42 +01:00
Zbigniew Jędrzejewski-Szmek
34b3f471f8
Merge pull request #7365 from poettering/nspawn-bind-userns
nspawn: document --bind= and --private-users relationship, and make recursive chown()ing safe
2017-11-19 14:01:39 +01:00
Zbigniew Jędrzejewski-Szmek
30b5047762 bootctl: add a convenient way to print the path to EFI 2017-11-19 12:36:20 +01:00
Zbigniew Jędrzejewski-Szmek
a6fabe384d man: add link to kernel docs about no_new_privs 2017-11-19 11:58:45 +01:00
John Lin
c37b4f3f9f man: rescue.target could be seen as single-user.target (#7323) 2017-11-17 15:20:48 +01:00
Lennart Poettering
b94f4313e8 man: document that start limiting of GC'ed units doesn't work (#7337)
Fixes: #7139
2017-11-17 15:18:30 +01:00
Lennart Poettering
8adf53582c man: document that ExecStop= is executed during restarts
Fixes: #7126
2017-11-17 11:25:02 +01:00
Lennart Poettering
78a263f432 man: add missing suffixing "=" for setting name 2017-11-17 11:25:02 +01:00
Lennart Poettering
ff946d8243 man: write "stop and start" instead of "restart" when explaining the reload fallback operations
We already made a similar change when talking about the "restart"
command, let's also do this for "systemctl reload" and friends.

Follow-up for: 6539dd7c42

See: #7126
2017-11-17 11:25:02 +01:00
Lennart Poettering
c4f2aaa45b man: document the interaction of "systemctl restart" and the FD store
See: #7126
2017-11-17 11:25:02 +01:00
Lennart Poettering
fc8d038130 man: document all the new options we acquired 2017-11-17 11:13:44 +01:00
Lennart Poettering
994a6364d2 man: document how nspawn's --bind= and --private-users interact
Fixes: #5900
2017-11-17 11:12:33 +01:00
Lennart Poettering
bb84995789 nspawn: correctly document the relationship of --keep-unit and --register=no (#7364)
Fixes: #7228
2017-11-17 10:54:50 +01:00
Yu Watanabe
1bdfc7b951 core/cgroup: assigning empty string to Delegate= resets list of controllers (#7336)
Before this, assigning empty string to Delegate= makes no change to the
controller list. This is inconsistent to the other options that take list
of strings. After this, when empty string is assigned to Delegate=, the
list of controllers is reset. Such behavior is consistent to other options
and useful for drop-in configs.

Closes #7334.
2017-11-17 10:04:25 +01:00
Yu Watanabe
dc3364832c mount: add "-G" as shortcut for "--property=CollectMode=inactive-or-failed" 2017-11-17 16:43:33 +09:00
Lennart Poettering
fe9d0be90b run: add "-G" as shortcut for "--property=CollectMode=inactive-or-failed"
This option is likely to be very useful for systemd-run invocations,
hence let's add a shortcut for it.

With this new concepts it's now very easy to put together systemd-run
invocations that leave zero artifacts in the system, including when they
fail.
2017-11-16 14:38:36 +01:00
Lennart Poettering
5afe510c89 core: add a new unit file setting CollectMode= for tweaking the GC logic
Right now, the option only takes one of two possible values "inactive"
or "inactive-or-failed", the former being the default, and exposing same
behaviour as the status quo ante. If set to "inactive-or-failed" units
may be collected by the GC logic when in the "failed" state too.

This logic should be a nicer alternative to using the "-" modifier for
ExecStart= and friends, as the exit data is collected and logged about
and only removed when the GC comes along. This should be useful in
particular for per-connection socket-activated services, as well as
"systemd-run" command lines that shall leave no artifacts in the
system.

I was thinking about whether to expose this as a boolean, but opted for
an enum instead, as I have the suspicion other tweaks like this might be
a added later on, in which case we extend this setting instead of having
to add yet another one.

Also, let's add some documentation for the GC logic.
2017-11-16 14:38:36 +01:00
Zbigniew Jędrzejewski-Szmek
6af6a50a0b
Merge pull request #7246 from poettering/journal-extra-fields
add new per-unit LogLevelMax= and LogExtraField= setting
2017-11-16 14:24:53 +01:00
Zbigniew Jędrzejewski-Szmek
12c4ee0af3 man: mention how to provision Ubuntu and Tanglu for nspawn (#7359)
Also add urls. Urls are nice.
2017-11-16 13:40:35 +01:00
Lennart Poettering
8b8de13d54 man: document LogFieldMax= and LogExtraFields= 2017-11-16 12:40:17 +01:00
Lennart Poettering
4d14b2bd35 man: update SyslogXYZ= documentation a bit
Let's clarify that these settings only apply to stdout/stderr logging.
Always mention the journal before syslog (as the latter is in most ways
just a legacy alias these days). Always mention the +console cases too.
2017-11-16 12:40:17 +01:00
Lennart Poettering
fc5f5706d3 man: rework the discussion of Storage= a bit
Most distributions default to persistent storage these days, hence don't
claim otherwise.
2017-11-16 12:40:17 +01:00
Yu Watanabe
798499278a man: fix wrong tag (#7358) 2017-11-16 11:35:30 +01:00
Lennart Poettering
0c08bc7f09 man: document that noauto doesn't affect automount units configured through /etc/fstab (#7350)
Fixes: #6937
2017-11-16 12:05:15 +09:00
Lennart Poettering
3e54b900e6 man: document interaction of --root= and the user/group databases (#7344)
Fixes: #7032
2017-11-16 12:00:56 +09:00