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Commit Graph

56 Commits

Author SHA1 Message Date
Kay Sievers
2f3b873a49 tmpfiles: copy/link /usr/share/factory/ files when the source argument is omitted 2014-06-20 15:57:43 +02:00
Lennart Poettering
e156347e04 tmpfiles: make sure "C" doesn't copy anything if the destination already exists
Previously it would recursively copy the entire tree in, and descend
into subdirectories even if the destination already exists. Let's do
what the documentation says and not do that.

If files down the tree shall be copied too, they should get their own
"C" lines.
2014-06-19 19:36:08 +02:00
Lennart Poettering
1554afae54 tmpfiles: add "+" modifier support to b, c, p lines in addition to L 2014-06-18 00:09:46 +02:00
Lennart Poettering
2e78fa79bb tmpfiles: add new "L+" command as stronger version of "L", that removes the destination before creating a symlink
Also, make use of this for mtab as long as mount insists on creating it
even if we invoke it with "-n".
2014-06-16 13:21:07 +02:00
Lennart Poettering
abef3f91ce tmpfiles: add ability to mask access mode by pre-existing access mode on files/directories
This way it makes a lot more sense to specify an access mode for "Z"
lines.
2014-06-11 10:14:07 +02:00
Lennart Poettering
1910cd0e05 tmpfiles: when processing lines, always process prefixes before suffixes
If two lines refer to paths that are suffix and prefix of each other,
then always process the prefix first, the suffix second. In all other
cases strictly process rules in the order they appear in the files.

This makes creating /var/run as symlink to /run a lot more fun, since it
is automatically created first.
2014-06-11 01:37:35 +02:00
Lennart Poettering
e73a03e059 tmpfiles: get rid of "m" lines, make them redundant by "z"
"m" so far has been a non-globbing version of "z". Since this makes it
quite redundant, let's get rid of it. Remove "m" from the man pages,
beef up "z" docs instead, and make "m" nothing more than a compatibility
alias for "z".
2014-06-10 23:42:16 +02:00
Lennart Poettering
849958d1ba tmpfiles: add new "C" line for copying files or directories 2014-06-10 23:02:40 +02:00
Jan Engelhardt
b8bde11658 doc: comma placement corrections and word order
Set commas where there should be some.
Some improvements to word order.
2014-05-07 20:13:27 -04:00
Lennart Poettering
e66cf1a3f9 core: introduce new RuntimeDirectory= and RuntimeDirectoryMode= unit settings
As discussed on the ML these are useful to manage runtime directories
below /run for services.
2014-03-03 17:55:32 +01:00
Zbigniew Jędrzejewski-Szmek
41a55c46ab Replace /var/run with /run in remaining places
/run was already used almost everywhere, fix the remaining places
for consistency.
2014-02-25 20:41:24 -05:00
Lennart Poettering
9fccdb0f64 man: always place <programlisting> and </programlisting> in a line with actual sources, so that we don't get spurious newlines in the man page output 2014-02-14 15:56:19 +01:00
Lennart Poettering
82adf6af7c nspawn,man: use a common vocabulary when referring to selinux security contexts
Let's always call the security labels the same way:

  SMACK: "Smack Label"
  SELINUX: "SELinux Security Context"

And the low-level encapsulation is called "seclabel". Now let's hope we
stick to this vocabulary in future, too, and don't mix "label"s and
"security contexts" and so on wildly.
2014-02-10 13:18:16 +01:00
Zbigniew Jędrzejewski-Szmek
8181565124 tmpfiles: rename --unsafe to --boot
As suggested by Kay, it is better to describe what is done,
not what might happen.
2013-12-30 13:01:27 -05:00
Jan Engelhardt
494a668218 man: resolve word omissions
This is a recurring submission and includes corrections to:
word omissions and word class choice.
2013-12-25 22:53:45 -05:00
Zbigniew Jędrzejewski-Szmek
c4708f1323 tmpfiles: introduce the concept of unsafe operations
Various operations done by systemd-tmpfiles may only be safely done at
boot (e.g. removal of X lockfiles in /tmp, creation of /run/nologin).
Other operations may be done at any point in time (e.g. setting the
ownership on /{run,var}/log/journal). This distinction is largely
orthogonal to the type of operation.

A new switch --unsafe is added, and operations which should only be
executed during bootup are marked with an exclamation mark in the
configuration files. systemd-tmpfiles.service is modified to use this
switch, and guards are added so it is hard to re-start it by mistake.

If we install a new version of systemd, we actually want to enforce
some changes to tmpfiles configuration immediately. This should now be
possible to do safely, so distribution packages can be modified to
execute the "safe" subset at package installation time.

/run/nologin creation is split out into a separate service, to make it
easy to override.

https://bugzilla.redhat.com/show_bug.cgi?id=1043212
https://bugzilla.redhat.com/show_bug.cgi?id=1045849
2013-12-24 15:48:06 -05:00
Zbigniew Jędrzejewski-Szmek
ef72c1f06e man,units: tmpfiles.d(5) cleanup
Condition for /lib (necessary for split /usr) was missing from the unit.

Some changes which were done in tmpfiles.d(5) were not carried over to
systemd-tmpfiles(1).

Also use markup where possible.
2013-12-24 15:48:06 -05:00
Jan Engelhardt
72f4d9669c man: wording and grammar updates
This is a recurring submission and includes corrections to various
issue spotted. I guess I can just skip over reporting ubiquitous comma
placement fixes…
2013-10-15 08:19:49 -04:00
Václav Pavlín
e776c8cfcd man: Improve the description of parameter X in tmpfiles.d page 2013-10-03 15:49:03 +02:00
Lennart Poettering
265ffa1e05 tmpfiles: add a new "m" line type that adjusts user/group/mode of a file if it exists 2013-09-17 16:55:37 -05:00
Lennart Poettering
1731e34a4e tmpfiles: support simple specifier expansion for specified paths 2013-09-17 11:02:54 -05:00
Jan Engelhardt
7964042405 man: wording and grammar updates
This is a recurring submission and includes corrections to various
issue spotted. I guess I can just skip over reporting ubiquitous
comma placement fixes…

Highligts in this particular commit:
- the "unsigned" type qualifier is completed to form a full type
  "unsigned int"
- alphabetic -> lexicographic (that way we automatically define how
  numbers get sorted)
2013-09-12 22:09:57 +02:00
Kay Sievers
7b4977254c man: fix description of file order application 2013-09-12 04:01:20 +02:00
Lukas Nykryn
1e44448168 man: one more example in tmpfiles.d 2013-09-10 18:51:43 +02:00
Jan Engelhardt
6b4991cfde man: wording and grammar updates
This includes regularly-submitted corrections to comma setting and
orthographical mishaps that appeared in man/ in recent commits.

In this particular commit:
- the usual comma fixes
- expand contractions (this is prose)
2013-09-10 18:34:41 +02:00
Jason St. John
e9dd9f9547 man: improve grammar and word formatting in numerous man pages
Use proper grammar, word usage, adjective hyphenation, commas,
capitalization, spelling, etc.

To improve readability, some run-on sentences or sentence fragments were
revised.

[zj: remove the space from 'file name', 'host name', and 'time zone'.]
2013-07-02 23:06:22 -04:00
Michal Sekletar
78a92a5a23 tmpfiles: introduce type X
Type X will exclude path itself from clean-up. However, if the path is a
directory systemd-tmpfiles will clean-up its content.

In contrast to type x, where path is ignored completely, type X needs some
Age parameter. In order to determine Age parameter, we will look for config
entries of type d or D and pick the best match.  Best match is either
exact match or longest prefix match.
2013-01-25 10:38:46 -05:00
Thomas Hindoe Paaboel Andersen
bb31a4ac19 man: typo fixes
https://bugs.freedesktop.org/show_bug.cgi?id=55890

Fixed typos, serial comma, and removed "either" as there were more
than two options. Also did an extra rename of "system-shutdown"
to "systemd-shutdown" that was forgotten in commit
8bd3b8620c
2012-10-26 00:16:47 +02:00
Tom Gundersen
ef44ed4e2d man: fix typo in tmpfiles.d
Reported-by: Jason St. John <jstjohn@purdue.edu>
2012-10-23 22:15:05 +02:00
Tom Gundersen
a2558205f7 tmpfiles: allow Age to be set to 0
Mostly useful for testing purposes. Setting Age to 1s works just as
well, but it is surprising that using 0s (or just 0) does not work.

Also clarify this in the documentation.
2012-10-23 21:53:20 +02:00
Dave Reisner
54693d9bfa tmpfiles: use write(2) for the 'w' action
This resolves problems with filesystems which do not implement the
aio_write file operation. In this case, the kernel will fall back using
a loop writing technique for each pointer in a received iovec. The
result is strange errors in dmesg such as:

[   31.855871] elevator: type  not found
[   31.856262] elevator: switch to
[   31.856262]  failed

It does not make sense to implement a synchronous aio_write method for
sysfs as this isn't a real filesystem where a reasonable use case for
using writev exists, nor is there an expectation that tmpfiles will be
used to write more data than can be reasonably written in a single write
syscall.

In addition, some sysfs attrs are currently buggy and will NOT reject
the second write with the newline, causing the sysfs value to be zeroed
out. This of course should be fixed in the kernel regardless of any
wrongdoing in userspace, but this simple change makes us immune to such
a bug.

This change means that we do not write a trailing newline by default, as
the expected use case of 'w' is for sysfs and procfs. In exchange, honor
C-style backslash escapes so that if the newline is really needed, the
user can add it.
2012-09-16 17:18:04 +02:00
Dave Reisner
d4e9eb91ea tmpfiles: support globbing for w option
Break out the write logic into a separate function and simply use it as
a callback to glob_item.

This allows users to consolidate writes to sysfs with multiple similar
pathnames, e.g.

  w /sys/class/block/sd[a-z]/queue/read_ahead_kb - - - - 1024
2012-09-12 08:46:03 +02:00
Paul Menzel
1532449274 man/tmpfiles.d.xml: Add missing full stop 2012-07-09 15:57:58 +02:00
Lennart Poettering
75945badd2 man: add reference to systemd-delta to tmpfiles 2012-06-27 16:30:57 +02:00
Lennart Poettering
24f3a374b9 tmpfiles: exclude the first level directories in /run/user from automatic clean up
It's logind's job to maintain those user dirs, so avoid automatic clean
up for them. However, we do cover everything within them.
2012-06-20 09:05:50 +02:00
Kay Sievers
0e25e94ea7 man: replace tabs with spaces 2012-06-10 18:32:11 +02:00
Kay Sievers
6110885c2c man: systemd-tmpfiles - document proper config-file-stack order 2012-06-10 18:26:11 +02:00
Lennart Poettering
5430f7f2bc relicense to LGPLv2.1 (with exceptions)
We finally got the OK from all contributors with non-trivial commits to
relicense systemd from GPL2+ to LGPL2.1+.

Some udev bits continue to be GPL2+ for now, but we are looking into
relicensing them too, to allow free copy/paste of all code within
systemd.

The bits that used to be MIT continue to be MIT.

The big benefit of the relicensing is that closed source code may now
link against libsystemd-login.so and friends.
2012-04-12 00:24:39 +02:00
Lennart Poettering
fc1a2e06a2 conf: when looking for configurations look in /etc first, in /run second
After long consideration we came to the conclusion that user
configuration in /etc should always override the (generally computer
generated) configuration in /run. User configuration should always be
what matters over anything else. Hence rearrange the search orders
accordingly.

In general this should change very little as overriding like this is
seldomn done so far, and the order between /etc and /usr stays the same.
2012-03-14 14:25:05 +01:00
Lennart Poettering
669e49fe2c man: reword tmpfiles selinux bits 2012-03-12 21:51:39 +01:00
Lennart Poettering
31ed59c511 tmpfiles: support writing short strings to files, in order to support /sys manipulations at boot time, a la sysctl 2012-01-18 16:39:04 +01:00
Lennart Poettering
468d726bdd tmpfiles: add support for creating symlinks, char/block device nodes 2012-01-18 13:56:02 +01:00
Michal Schmidt
777b87e702 tmpfiles: add 'z', like 'Z' but not recursive 2011-12-16 18:27:35 +01:00
Michal Schmidt
062e01bbdb tmpfiles: apply chown, chmod for 'Z' entries too
If changing ownership or permissions is not desired, they can be
configured to '-' or omitted entirely.
2011-12-16 18:04:54 +01:00
Michal Schmidt
a37b560a63 man: mention that 'Z' ignores uid/gid/mode 2011-12-16 00:38:22 +01:00
Michal Schmidt
462d63db06 man: document 'Z' in tmpfiles 2011-12-16 00:31:21 +01:00
Lennart Poettering
ee17ee7c5c tmpfiles: allow creation of named pipes with tmpfiles 2011-07-12 03:56:56 +02:00
Kay Sievers
772f83719e tmpfiles.d: switch to stacked config dirs in /lib, /etc, /run 2011-04-25 21:38:21 +02:00
Lennart Poettering
bb29785e0d general: replace a few uses of /var/run by /run 2011-04-01 15:25:46 +02:00
Lennart Poettering
522d4a495a systemd: document systemd-tmpfiles 2011-02-13 15:08:15 +01:00