Puppet users - May 2010 - Re: Puppet order

Hi,

I have a node definition that looks like:

node default {

   include mymod

   mymod::func1()... // copy a file

   mymod::func2()... // copy a file

}

The module ,mymod, defines that a certain set of directories get copied
over, and the functions define files that need to go into those directories.
I have noticed that sometimes the func1 and/or func2 occur before those
directories are copied and fail because the directories don''t exist.

Is there currently a way to ensure that either the directories exist first
in the function file copy, or, better yet, to specify an order to the
function calls?

Roshan

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On Wed, May 5, 2010 at 11:50 AM, Roshan Punnoose <roshanp@gmail.com>
wrote:
[snip
> Is there currently a way to ensure that either the directories exist first
> in the function file copy, or, better yet, to specify an order to the
> function calls?
Roshan,

This topic is something that separates puppet from many other tools.
With puppet, resources and their relationships are declared rather
than a procedure of action.  This means unless explicitly stated,
resources are managed in an arbitrary order.

Please take a look at the before, after, require, and notify
parameters.  These parameters are available with every resource type
and create explicit ordering among the resources you manage.

The language tutorial covers this, located at:
http://docs.puppetlabs.com/guides/language_tutorial.html

Hope this helps,
--
Jeff McCune

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