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Commit Graph

79 Commits

Author SHA1 Message Date
Lennart Poettering
5ae4d543cb os-release: define /usr/lib/os-release as fallback for /etc/os-release
The file should have been in /usr/lib/ in the first place, since it
describes the OS container in /usr (and not the configuration in /etc),
hence, let's support os-release files in /usr/lib as fallback if no
version in /etc exists, following the usual override logic.

A prior commit already enabled tmpfiles to create /etc/os-release as a
symlink to /usr/lib/os-release should it be missing, thus providing nice
compatibility with applications only checking in /etc.

While it's probably a good idea if all apps check both locations via a
fallback logic, it is only necessary in the early boot process, as long
as the /etc/os-release symlink has not been restored, in case we boot
with an empty /etc.
2014-06-13 20:11:59 +02:00
Lennart Poettering
06c17c39a8 nspawn: add new --tmpfs= option to mount a tmpfs on specific directories, such as /var 2014-06-11 00:44:30 +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
Jan Engelhardt
dca348bcbb doc: corrections to words and forms
This patch exchange words which are inappropriate for a situation,
deletes duplicated words, and adds particles where needed.
2014-05-07 20:13:26 -04:00
Jan Engelhardt
70a44afee3 doc: typographical fine tuning 2014-05-06 23:05:39 +02:00
Lennart Poettering
1810e3dc62 man: improve nspawn's --user= documentation 2014-03-11 20:20:54 +01:00
Lennart Poettering
1b9e5b1263 nspawn: add --image= switch to boot GPT disk images that follow the Discoverable Partitions Specification 2014-03-10 20:35:52 +01:00
Lennart Poettering
c74e630d0c nspawn: add new switch --network-macvlan= to add a macvlan device to the container 2014-02-25 02:37:59 +01:00
Zbigniew Jędrzejewski-Szmek
dfdebb1b92 man: xinclude --help/--version/--no-pager 2014-02-20 22:43:27 -05:00
Lennart Poettering
08af0da269 nspawn: when adding a veth interface to a bridge, use the "vb-" rather than "ve-" interface name prefix
This way we can recognize the interfaces later on to apply different
host-side configuration to them.
2014-02-21 04:02:12 +01:00
Lennart Poettering
6afc95b736 nspawn: add new --personality= switch to make it easier to run 32bit containers on a 64bit host 2014-02-18 23:37:27 +01:00
Jan Engelhardt
66f756d437 doc: resolve missing/extraneous words or inappropriate forms
Issues fixed:
* missing words required by grammar
* duplicated or extraneous words
* inappropriate forms (e.g. singular/plural), and declinations
* orthographic misspellings
2014-02-17 19:03:07 -05:00
Jan Engelhardt
73e231abde doc: update punctuation
Resolve spotted issues related to missing or extraneous commas, dashes.
2014-02-17 19:03:07 -05:00
Tom Gundersen
ab046dde6f nspawn: add new --network-bridge= switch
This adds the host side of the veth link to the given bridge.

Also refactor the creation of the veth interfaces a bit to set it up
from the host rather than the container. This simplifies the addition
to the bridge, but otherwise the behavior is unchanged.
2014-02-16 21:40:28 +01:00
Lennart Poettering
69c79d3c32 nspawn: add new --network-veth switch to add a virtual ethernet link to the host 2014-02-13 18:47:53 +01:00
Lennart Poettering
a42c8b54b1 nspawn: --private-network should imply CAP_NET_ADMIN 2014-02-13 14:07:59 +01:00
Lennart Poettering
aa28aefe61 nspawn: add new --network-interface= switch to move an existing interface into the container 2014-02-13 03:27:39 +01:00
Lennart Poettering
39ed67d146 nspawn: introduce --capability=all for retaining all capabilities 2014-02-13 02:45:11 +01:00
Lennart Poettering
db999e0f92 nspawn: newer kernels (>= 3.14) allow resetting the audit loginuid, make use of this 2014-02-12 03:02:09 +01:00
Lennart Poettering
89f7c8465c machined: optionally, allow registration of pre-existing units (scopes
or services) as machine with machined
2014-02-11 17:16:08 +01:00
Lennart Poettering
eb91eb187b nspawn: add --register=yes|no switch to optionally disable registration of the container with machined 2014-02-11 17:16:07 +01:00
Lennart Poettering
8a96d94e4c nspawn: add new --share-system switch to run a container without PID/UTS/IPC namespacing 2014-02-10 13:18:16 +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
Lennart Poettering
ba978d7b32 nspawn: rename --file-label to --apifs-label since it's really just about the API file systems, nothing else 2014-02-07 19:29:28 +01:00
Lennart Poettering
284c0b9176 nspawn: add --quiet switch for turning off any output noise 2014-02-06 00:43:14 +01:00
Lennart Poettering
d002827b03 nspawn: various fixes in selinux hookup
- As suggested, prefix argument variables with "arg_" how we do this
  usually.

- As suggested, don't involve memory allocations when storing command
  line arguments.

- Break --help text at 80 chars

- man: explain that this is about SELinux

- don't do unnecessary memory allocations when putting together mount
  option string
2014-02-04 22:56:07 +01:00
Dan Walsh
a8828ed938 Add SELinux support to systemd-nspawn
This patch adds to new options:

-Z PROCESS_LABEL

This specifies the process label to run on processes run within the container.

-L FILE_LABEL

The file label to assign to memory file systems created within the container.

For example if you wanted to wrap an container with SELinux sandbox labels, you could execute a command line the following

chcon system_u:object_r:svirt_sandbox_file_t:s0:c0,c1 -R /srv/container
systemd-nspawn -L system_u:object_r:svirt_sandbox_file_t:s0:c0,c1 -Z system_u:system_r:svirt_lxc_net_t:s0:c0,c1 -D /srv/container /bin/sh
2014-02-04 13:33:15 -08:00
Lennart Poettering
f4889f656b nspawn: add new --setenv= switch to set an environment variable for the container to spawn 2013-12-13 16:37:16 +01:00
Zbigniew Jędrzejewski-Szmek
f9f4dd51bd man: add another nspawn example
Taken from https://bugs.freedesktop.org/show_bug.cgi?id=68369.
2013-12-12 23:19:45 -05:00
Lennart Poettering
420c7379fb nspawn: add new --drop-capability= switch 2013-11-20 22:10:42 +01:00
Zbigniew Jędrzejewski-Szmek
9cb74bcb23 man,units: fix installation of systemd-nspawn@.service and add example 2013-11-09 19:02:53 -05:00
Lennart Poettering
04d3927924 machinectl: add new command to spawn a getty inside a container 2013-10-31 01:43:38 +01:00
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
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
Zbigniew Jędrzejewski-Szmek
04ac799283 man: fix spacing issue in systemd-nspawn(1)
Same as 1e158d273.
2013-08-19 16:00:22 -04:00
Lennart Poettering
431c72dc3d man: update systemd-nspawn regarding new --slice= logic 2013-07-19 17:55:52 +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
Michael Biebl
fb69ed55e5 man: Fix small typo 2013-06-22 00:55:18 +02:00
Lennart Poettering
77b6e19458 audit: since audit is apparently never going to be fixed for containers tell the user what's going on
Let's try to be helpful to the user and give him a hint what he can do
to make nspawn work with normal OS containers.

https://bugzilla.redhat.com/show_bug.cgi?id=893751
2013-05-10 00:17:36 +02:00
Lennart Poettering
2aba426ffb man: document that the kernel's audit subsystem is currently incompatible with nspawn containers 2013-05-09 15:33:02 +02:00
Lennart Poettering
f8964235e6 nspawn: explain that we look for /etc/os-release in the container directory
https://bugs.freedesktop.org/show_bug.cgi?id=64014
2013-05-06 21:06:18 +02:00
Zbigniew Jędrzejewski-Szmek
845c53246f man: add various filenames to the index
Everything which is an absolute filename marked with <filename></filename>
lands in the index, unless noindex= attribute is present. Should make
it easier for people to find stuff when they are looking at a file on
disk.

Various formatting errors in manpages are fixed, kernel-install(1) is
restored to formatting sanity.
2013-05-03 01:00:42 -04:00
Zbigniew Jędrzejewski-Szmek
f03dc7c0c5 man: fix syntax in nsenter example
Apparently nsenter doesn't handle options concatenated together.
I'm pretty sure it worked at one point, but it seems like magic,
since each of those options can take arguments.
2013-04-17 00:09:16 -04:00
Lennart Poettering
7027ff61a3 nspawn: introduce the new /machine/ tree in the cgroup tree and move containers there
Containers will now carry a label (normally derived from the root
directory name, but configurable by the user), and the container's root
cgroup is /machine/<label>. This label is called "machine name", and can
cover both containers and VMs (as soon as libvirt also makes use of
/machine/).

libsystemd-login can be used to query the machine name from a process.

This patch also includes numerous clean-ups for the cgroup code.
2013-04-16 04:41:21 +02:00
Zbigniew Jędrzejewski-Szmek
870c4365cf man: document systemd-nspawn behaviour with -b
Cf. cb96a2c69 and 1ddf879a.
2013-02-27 22:25:40 -05:00
Lennart Poettering
17fe052346 nspawn: add --bind= and --bind-ro= to bind mount host paths into the container 2013-02-25 20:08:07 +01:00
Michal Schmidt
1ddf879acf Revert "nspawn: catch config mistake of specifying -b and args"
This reverts commit cb96a2c69a.

It is not a mistake to pass args when -b is specified. They will simply
be passed on to the container's init.

The manpage needs fixing, that's true.
2013-02-25 18:39:16 +01:00
Zbigniew Jędrzejewski-Szmek
cb96a2c69a nspawn: catch config mistake of specifying -b and args 2013-02-24 14:11:11 +01:00
Zbigniew Jędrzejewski-Szmek
1fd961211d nspawn: print PID and show how to enter the namespace
systemd-nspawn will now print the PID of the child.
An example showing how to enter the container is added
to the man page.

Support for nsenter without an explicit command was
added in https://github.com/karelzak/util-linux/commit/5758069
(post v2.22.2). So this example requires both a new kernel
and the latest util-linux.
2013-02-14 10:40:45 -05:00
Zbigniew Jędrzejewski-Szmek
e670b166a0 man: use <replaceable> in various places 2013-02-13 23:09:00 -05:00