Puppet users - Jul 2009 - Array input of dirs, ensuring their existence

Hi.

I''m VERY new to puppet (had quite a bit of fun for a few days!).

I''m trying to set up a variable amount of watch dirs - i.e when
something happens execute a command.

I''ve defined watch::config ( $command, $paths,
$watchType="recursive",
$events="default" ) - the specifics aren''t that
important.

This has been working ok with $paths just being $path. Now that I''ve
switched to an array of paths,
I''m having some trouble ensuring that all paths exist (if they
don''t
the watch fails). I''m unsure how to
got about this...

With one path I could easily ensure it''s existence, but with a
variable amount I just don''t know. There
are, afaik, no looping in puppet (except for erb but that won''t do
it). Perhaps I''m going about this the wrong way...

Any tips?

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What exactly are you trying to do?

If this is a Linux system, I would use Puppet to set up some Inotify
functionality using something like fsniper:
http://projects.l3ib.org/trac/fsniper

Trevor

On 07/24/2009 09:09 PM, grandpa wrote:
> Hi.
> 
> I''m VERY new to puppet (had quite a bit of fun for a few days!).
> 
> I''m trying to set up a variable amount of watch dirs - i.e when
> something happens execute a command.
> 
> I''ve defined watch::config ( $command, $paths,
$watchType="recursive",
> $events="default" ) - the specifics aren''t that
> important.
> 
> This has been working ok with $paths just being $path. Now that
I''ve
> switched to an array of paths,
> I''m having some trouble ensuring that all paths exist (if they
don''t
> the watch fails). I''m unsure how to
> got about this...
> 
> With one path I could easily ensure it''s existence, but with a
> variable amount I just don''t know. There
> are, afaik, no looping in puppet (except for erb but that won''t do
> it). Perhaps I''m going about this the wrong way...
> 
> Any tips?
> 
> > 
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grandpa wrote:
> I''m VERY new to puppet (had quite a bit of fun for a few days!).
Great, welcome to the community!
> I''m trying to set up a variable amount of watch dirs - i.e when
> something happens execute a command.
> 
> I''ve defined watch::config ( $command, $paths,
$watchType="recursive",
> $events="default" ) - the specifics aren''t that
> important.
> 
> This has been working ok with $paths just being $path. Now that
I''ve
> switched to an array of paths,
> I''m having some trouble ensuring that all paths exist (if they
don''t
> the watch fails). I''m unsure how to
> got about this...
> 
> With one path I could easily ensure it''s existence, but with a
> variable amount I just don''t know. There
> are, afaik, no looping in puppet (except for erb but that won''t do
> it). Perhaps I''m going about this the wrong way...
> 
> Any tips?
Resources can take arrays as "title":

| $paths = [ "/foo", "/bar" ]
| file { $paths: ensure => directory }

Be aware though, that File doesn''t manage the parent directories. If
you
need that too, I think there is a recipe on the wiki using mkdir -p in a 
define.


Regards, DavidS

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To continue and close this one, I''m using iwatch right now which
internally uses inotify, though I find iwatch to be
a bit slow at times and can''t keep up with lots of fs changes.
Together with iwatch I''m using csync2 to keep
a few servers in sync. This is working fine so far.

What I was actually wondering about was puppet syntax and not really
so much about how to setup watch paths.

I''ve found a way to do what I needed using erb and iwatch''s
xml config
file. I guess though that David Schmitts
suggestion was what I was looking for.

Thanks!

On Jul 27, 8:41 am, David Schmitt <da...@dasz.at>
wrote:
> grandpawrote:
> > I''m VERY new to puppet (had quite a bit of fun for a few
days!).
>
> Great, welcome to the community!
>
>
>
>
>
> > I''m trying to set up a variable amount of watch dirs - i.e
when
> > something happens execute a command.
>
> > I''ve defined watch::config ( $command, $paths,
$watchType="recursive",
> > $events="default" ) - the specifics aren''t that
> > important.
>
> > This has been working ok with $paths just being $path. Now that
I''ve
> > switched to an array of paths,
> > I''m having some trouble ensuring that all paths exist (if
they don''t
> > the watch fails). I''m unsure how to
> > got about this...
>
> > With one path I could easily ensure it''s existence, but with
a
> > variable amount I just don''t know. There
> > are, afaik, no looping in puppet (except for erb but that
won''t do
> > it). Perhaps I''m going about this the wrong way...
>
> > Any tips?
>
> Resources can take arrays as "title":
>
> | $paths = [ "/foo", "/bar" ]
> | file { $paths: ensure => directory }
>
> Be aware though, that File doesn''t manage the parent directories.
If you
> need that too, I think there is a recipe on the wiki using mkdir -p in a
> define.
>
> Regards, DavidS
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