On Thu, Jan 15, 2009 at 04:27:20PM -0500, Bryan Kearney wrote:
>
> windowsrefund wrote:
> > augeas { "$name":
> > context => "/files",
> > changes => "set /etc/exports/foo bar",
> > require => File["/etc/exports"],
> > }
> >
> >
>
> Augeas will validate the structure of what you are setting. Look
> in /usr/share/augeas/lenses/exports.lns for a description of the
> regular expression voodoo. My guess is that you are not setting a
> valid structure.
Yes, you have to actually set something that matches the structure
of the file in question, which varies by file. Most of the lenses
have shit for documentation, unfortunately, and this one is no
exception.
So, the easiest thing to do is to set up the file with some
examples (I pulled examples from the bottom of "man 5 exports") and
see what they look like:
$ augtool
augtool> ls /files/etc/exports/
comment[1] = /etc/exports: the access control list for filesystems which
may be exported
comment[2] = to NFS clients. See exports(5).
comment[3] = sample /etc/exports file
dir[1]/ = /
dir[2]/ = /projects
dir[3]/ = /usr
dir[4]/ = /home/joe
It took several tries to get this; it turns out the augeas lens for
this file is a bit pickier than it should be: it won't accept:
/pub (ro,insecure,all_squash)
Anyways, from here you can investigate the structure, like so:
augtool> ls /files/etc/exports/dir[1]
client[1]/ = master
client[2]/ = trusty
The corresponding line in the file is:
/ master(rw) trusty(rw,no_root_squash)
Digging further:
augtool> ls /files/etc/exports/dir[1]/client[1]
option = rw
So, if you want to add a new entry, you'd do something like this:
augtool> set /files/etc/exports/dir[10000] /foo
augtool> set /files/etc/exports/dir[last()]/client[1] weeble
augtool> set /files/etc/exports/dir[last()]/client[1]/option[1] ro
augtool> set /files/etc/exports/dir[last()]/client[1]/option[2] all_squash
augtool> save
Saved 1 file(s)
Which creates the line:
/foo weeble(ro,all_squash)
Doing this in Puppet is left as an exercise for the reader. I'll
go see about getting better docs in Augeas for this thing.
-Robin
--
They say: "The first AIs will be built by the military as weapons."
And I'm thinking: "Does it even occur to you to try for something
other than the default outcome?" -- http://shorl.com/tydruhedufogre
http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/
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