Re: [Puppet Users] Is there a way...

Trevor Vaughan
Tue, 06 Dec 2011 14:25:50 -0000

I have one pure-ruby implementation here:
https://github.com/onyxpoint/pupmod-concat

I''m hoping to get some code uploaded in the near future that makes it
a bit less chatty.

Thanks,

Trevor

On Thu, Dec 1, 2011 at 11:10 AM, Luke Bigum <Luke.Bigum@lmax.com>
wrote:
> Generally when I run into this problem I make the troublesome configuration
> file a "Concat" file - there''s a number of
implementations around, including
> a pure Ruby one I''ve been meaning to track down but this is
RIP''s original:
> https://github.com/ripienaar/puppet-concat
>
> Make the Postfix module write out the "common" Postfix
configuration as a
> Concat file, and then have a facility to allow other modules to add
> configuration. You can do this with a define like postfix::extra_config
that
> adds fragments to the main postfix config file (main.cf or master.cf,
> whatever you need to edit). Other modules can then make additions to the
> Postfix config. It implies a level of trust between your modules, and
> there''s nothing stopping one module adding one fragment, and
another
> unrelated module adding a conflicting fragment to the file.
>
> This approach works quite well for an snmpd module where your base config
is
> the same but then you allow other modules to add more lines to snmpd.conf,
> depending on what modules are declared on that node (mysql, disk space
> checks, etc).
>
>
> On 01/12/11 15:49, Peter Berghold wrote:
>
> ... to invoke a template from multiple modules?  Here is what I mean:
>
> I have a module called "postfix" which handles the installation
and base
> configuration of the postfix MTA.  I have another module called
> "spamassassin" which deals with the download and installation of
the
> Mail::SpamAssassin Perl module which incidently adds the init scripts for
> SpamAssassin and the clamd binary.
>
> I''d like that spamassassin module to modify both the master.cf and
main.cf
> file of postfix to enable its own functionality.
>
> Rather than make SpamAssassin part of the postfix module I separated it out
> since not all machines running postfix need to have the overhead of
> SpamAssassin (eg. mailers behind the firewall that don''t accept
outside
> email) but my border MX machines do.
>
> There''s another module that needs to modify postfix''s
config files to be
> enabled as well and that''s the ClamAV module, I won''t go
into detail here.
>
> The problem I see is if each of them modify the configs, the postfix module
> is going to remove the changes the other modules made.
>
> Is there a slick way of doing this?
>
> --
> Peter L. Berghold
> Owner, Shark River Technical Solutions LLC
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>
> --
> Luke Bigum
> Information Systems
> +44 (0) 20 3192 2520
> Luke.Bigum@lmax.com | http://www.lmax.com
> LMAX, Yellow Building, 1A Nicholas Road, London W11 4AN
>
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--
Trevor Vaughan
Vice President, Onyx Point, Inc
(410) 541-6699
tvaughan@onyxpoint.com

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