On Monday, February 18, 2013 7:17:51 AM UTC-6, Marc Bolós wrote:
>
> Dear John,
>
> I tryed as you suggested, and didn't work.
>
Well no, evidently you didn't do what I suggested.
>
> I Found where is the problem that produces the failure in both cases. The
> problem basically is that on all the nodes I'm using inherits definition
> like:
>
> node basenode {
> include shorewall
> include othermodules
> }
>
> node examplenode1 inherits basenode {
> include apache
> include bind
> include ssh
> }
>
>
The most essential part of my suggestion was that the "include firewall" be
parsed *after* "include $service_modules". The example code achieves that
by putting the former after the latter in the same node block. Putting the
two in different node blocks, with the latter's inheriting from the
former's, on the other hand, ensures the opposite (i.e. wrong) parse order.
> So I tryed debugging and on the template I added following lines:
>
> <% classes.each do |k| -%>
> <%= k %>
> <% end -%>
>
> Then I find that it only prints classes inside basenode:
> shorewall
> other modules
>
> If I declare host without inherits then, both procedures works, my first
> and yours. And in this example , classes will print:
> shorewall
> other modules
> apache
> bind
> ssh
>
> It is pretty clear to me that this seems a puppet bug that does not parse
> properly classes when you are using inherits in site.pp manifets.
>
No bug here. Puppet is behaving exactly as documented in the failing
cases. When Puppet processes your template, the 'apache', 'bind', and
'ssh' classes have not yet been declared, and therefore they do not appear
in the 'classes' array. See
http://docs.puppetlabs.com/guides/templating.html#access-to-tags-and-declared-classes,
which documents the variable you are trying to use.
Even when the classes are all declared in the same node block, I would
expect that the apache, bind, and ssh 'include's would need to appear
first. If you find that not to be the case then you have stumbled on a
convenience feature.
Now that you have had a taste of the pain, I repeat my initial advice:
avoid writing DSL code or templates that attempt to inquire whether
particular resources have been declared.
John
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