Puppet users - Feb 2007 - Assistance Requested

Hello,

I am currently experiencing a bit of a quandry with how to specify default
configuration applications to generic nodes.

Here is an example setup:

Classes:
Class A
Class B inherits Class A
Class C inherits Class B

Problem:

I have unique hosts (nodes) X and Y and a bunch of other standard hosts.  I
would like X and Y to be able to override attributes in Class C (thus inherit
class C) but I want the rest of the hosts to apply the configuration in Class C
without custom configuration and without having to be individually specified.

For example:

Class X inherits C { ... }
Node X { include X }

Class Y inherits C { ... }
Node Y { include Y }

generic_nodes { include C }

Unfortunately, I have been unable to determine how to approach this problem
properly.

My first thought was something like the following:

case $hostname {
   X: { node X { include X }; }
   Y: { node Y { include Y }; }
   default: { include C }
}

But, I haven''t been able to correctly generate the syntax for some
reason.

Any assistance would be appreciated.

Thank you,

-- Rob --






 
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--On Thursday, February 22, 2007 11:37 AM -0800 Robert Mombro 
<j8irfm@yahoo.com> wrote:

Class X inherits C { ... }
Node X { include X }

Class Y inherits C { ... }
Node Y { include Y }

node default {
    include C
}

-- 
Digant C Kasundra
// www.diggyk.com //

Mr. Kasundra,

So, you are saying that entering

node default { include C } 

will work for all unnamed nodes?

In other words, I can have:

node bob inherits bob {}
node jim inherits jim {}

and 

node default { include default }

and all nodes that are not bob or jim will get this configuration?

Thank you,

-- Rob --

----- Original Message ----
From: Digant C Kasundra <digant@stanford.edu>
To: Puppet User Discussion <puppet-users@madstop.com>
Sent: Thursday, February 22, 2007 2:44:44 PM
Subject: Re: [Puppet-users] Assistance Requested



--On Thursday, February 22, 2007 11:37 AM -0800 Robert Mombro 
<j8irfm@yahoo.com> wrote:

Class X inherits C { ... }
Node X { include X }

Class Y inherits C { ... }
Node Y { include Y }

node default {
    include C
}

-- 
Digant C Kasundra
// www.diggyk.com //
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Puppet-users@madstop.com
https://mail.madstop.com/mailman/listinfo/puppet-users







 
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On Thu, 2007-02-22 at 14:26 -0800, Robert Mombro wrote:
> Mr. Kasundra,
> 
> So, you are saying that entering
> 
> node default { include C } 
> 
> will work for all unnamed nodes?
Yes, that specifies the config for nodes not otherwise mentioned in the
manifest.
> In other words, I can have:
> 
> node bob inherits bob {}
> node jim inherits jim {}
AFAIK, nodes can''t inherit from classes; you want something like

node bob { include bob }

David

>
> Mr. Kasundra,
>
> So, you are saying that entering
>
> node default { include C }
>
> will work for all unnamed nodes?
>
> In other words, I can have:
>
> node bob inherits bob {}
> node jim inherits jim {}
>
> and
>
> node default { include default }
>
> and all nodes that are not bob or jim will get this configuration?
>
> Thank you,
>
> -- Rob --
>
Yup, but as David pointed out, you want to use include, not inherits 
because nodes cannot inherit from classes.  So something like:

class Person { ... }
class Bob inherits Person { ... }
class Jim inherits Person { ... }

node bob { include Bob }
node jim { include Jim }

node default {
     include Person
}




-- 
Digant C Kasundra
// www.diggyk.com //