Puppet users - Sep 2013 - System manifests & parse order

Is there a way to set up my system so that I can do something like this in
my site.pp file:

import ''nodes/*.pp''
import ''node-groups/*.pp''

What I''m looking for is a way to have a node-groups/webserver.pp file
which
specifies the default configuration for a web server. Then, if I have a
one-off web server which requires a different configuration, I can drop it
into nodes/web1.pp and have that manifest be the one which is used for the
named host

Within the node-groups/*.pp files, nodes are specified using regexes.
Within the nodes/*.pp files, they''d be specified using exact strings.

I''m doing this now, but have discovered that quite often, the group
manifest gets used in preference to the individual manifest. How can I
reverse this behavior? Is it even possible?

*
*
*Bret Wortman*

http://damascusgrp.com/
http://about.me/wortmanbret

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On Sep 26, 2013, at 8:37 AM, Bret Wortman <bret.wortman@damascusgrp.com>
wrote:
> Is there a way to set up my system so that I can do something like this in
my site.pp file:
> 
> import ''nodes/*.pp''
> import ''node-groups/*.pp''
> 
> What I''m looking for is a way to have a node-groups/webserver.pp
file which specifies the default configuration for a web server. Then, if I have
a one-off web server which requires a different configuration, I can drop it
into nodes/web1.pp and have that manifest be the one which is used for the named
host
> 
> Within the node-groups/*.pp files, nodes are specified using regexes.
Within the nodes/*.pp files, they''d be specified using exact strings.
> 
> I''m doing this now, but have discovered that quite often, the
group manifest gets used in preference to the individual manifest. How can I
reverse this behavior? Is it even possible?
> 
> 
> Bret Wortman
If your regex-matched node definition is being applied in preference to an
fqdn-matched node definition, then something isn''t right. Puppet is
supposed to apply the most specific node definition. For example, if your fqdn
is "web12.domain.org", then this declaration

    node ''web12.domain.org'' { include specific_class }

should always be applied instead of this

    node /^web\d+.*/ { include general_class }

Take a look at the Matching section on this page to see how decides which node
definition to use when more than one can apply:

http://docs.puppetlabs.com/puppet/2.7/reference/lang_node_definitions.html#matching

--
Peter

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