On Thu, Dec 20, 2012 at 10:23 AM, llowder <[email protected]> wrote:
> I plan on opening a feature request on this, but I wanted to start a
> discussion and get an idea of possibilities and implications before I did.
>
> I think it would be nice to be able to use the databinding feature of
> hiera / puppet 3 with defines. Now, since defined types are not singletons,
> it does pose a bit of a problem in terms of addressing.
>
> How problematic would it be to support something like:
>
> define module::mydefine(
> $param1 = 'value'
> ){
> ....
> }
>
> In the node def:
>
> module::mydefine{ 'foo': }
>
> Somewhere in the hiera hierarchy something like:
>
> module::mydefine::foo::param1: 'othervalue'
>
> I know under current setups, the above key would be corresponding to a
> class located at $modulepath/module/manifests/mydefine/foo.pp
>
> but would something like I described even be feasible? Or is there another
> construct that would allow similar usage?
>
I think that would be feasible. I can't see any problems with that format
for the data off the top of my head. Another possibility might be to have a
define expect that the key 'module::mydefine' contains a hash of namevar =>
param-hash. Something like that might be nicer, but I don't think it would
work as well with the hiera lookups.
Once we start doing that though, it seems like for consistency we would
want to have it also work for non-define types (user, group, service,
etc.). Is that a sensible way to be going? For instance, if we didn't do
this all the way, then there would be no way to change from a define type
to a custom type in a manner that an end user would not notice.
>
> Thanks.
>
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