On Wed, Sep 29, 2010 at 02:59:28PM +0200, Héctor Rivas Gándara wrote:
>
> Also, from my tests I checked that the parameters (please correct me if I am
> wrong):
> - Are stored in global scope: All classes has access to it.
No. The parameters have "node" scope. Any class included within the
node will be able to see the node's values.
> - But if a class defines that parameter, it is used the class value.
Yes. If you want to be able to set a default within a class, but have
that possible to be overridden, you can do something like this:
class example {
if $example_variable {
$variable = $example_variable
} else {
$variable = 'Default Value'
}
}
Personally, I try to avoid setting default values within classes.
> But I do not like too much the extlookup solution because:
> * I can not define a common subset of groups that all host will inheret
> (except the ones that overwrite this value). May be using again the
> "default_connect_allowed_groups" variable.
There's no nice way to do it. Aas I understand it, Puppet's external
nodes code doesn't support arrays, let alone appending to arrays. Every
time I look at using external node classifiers, I walk away from it
again. If I were managing sites of such a scale that it were
unavoidable, I'd be an unhappy person (time to dust off the Ruby
skills).
> * I think that is bad to have configuration in two places: external nodes
> and cvs's files.
I agree.
--
Bruce
A problem shared brings the consolation that someone else is now
feeling as miserable as you.
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