On Sep 16, 2010, at 4:03 PM, Nigel Kersten wrote:
> On Thu, Sep 16, 2010 at 12:49 PM, Jeff McCune <[email protected]> wrote:
>> On Thu, Sep 16, 2010 at 3:36 PM, Luke Kanies <[email protected]> wrote:
>>> On Sep 16, 2010, at 12:45 PM, Paul Berry wrote:
>>>
>>> I'm trying to get a better understanding of how variable scoping is
>>> intended to work in Puppet. Based on my reading of the code (and some
>>> experiments), here's the behaviors that I think are intended:
>>> 1. Variables defined at toplevel can be seen inside classes. For example:
>>> $var = "value"
>>> class foo { notify { $var: } }
>>> include foo
>>>
>>> This is a good idea and should stay, short and long term.
>>
>> Agreed.
>>
>> Also, please keep in mind this entire discussion applies to resource
>> defaults as well. Whatever behavior we implement for variables should
>> also be implemented for resource defaults.
>
> So the plan is that the only place you can reliably set global
> resource defaults is directly in your site.pp or in an *import* from
> site.pp ?
It's more of a hope than a plan at this point, but really, every variable is
functionally global, in that you can refer to it from anywhere else using the
scoping syntax.
> and thus not inside a class that may include all your other classes?
> (we have a module 'base' that does all the logic for which other
> classes should be included)
This can be pretty easily done using fully qualified variables, but it's even
better done using extlookup or equivalent.
--
I do not feel obliged to believe that the same God who has endowed us
with sense, reason, and intellect has intended us to forgo their use.
-- Galileo Galilei
---------------------------------------------------------------------
Luke Kanies -|- http://puppetlabs.com -|- +1(615)594-8199
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