Here's the thing though: since arrays are the only native method of looping,
Puppet needs to handle arrays of all native types well. If it doesn't, from
an end-user perspective that's broken.
On Wed, Jun 8, 2011 at 8:36 AM, jcbollinger <john.bollin...@stjude.org>wrote:
>
>
> On Jun 7, 6:15 pm, Aaron Grewell <aaron.grew...@gmail.com> wrote:
> > Hmmm, either I'm doing something wrong or virtual resources are
> incompatible
> > with hashes.
>
>
> I think it's a mix of about two parts "doing something wrong" to one
> part "incompatible", coming out to more or less "Puppet doesn't do
> what I wish it would."
>
>
> > When I do this:
> > $users = [{ username => "bill", uid => "12345" },
> > { username => "ted", uid => "12346" }]
> >
> > define usertest ($alias = $name[username]) {
> > user {$name[username]:
> > ensure => present,
> > uid => $name[uid]
> > }}
> >
> > @usertest { $users: }
> > realize Usertest[bill]
> >
> > I get this:
> > warning: alias is a metaparam; this value will inherit to all contained
> > resources
> > Failed to realize virtual resources Usertest[bill] on node
> >
> > Which seems unfortunate. Hash support is a really cool idea but I keep
> > tripping over parts of Puppet that don't handle it well.
>
>
> In a resource declaration, Puppet expects the value or variable
> preceding the colon ($users in your example) to be a resource title or
> an array of resource titles. I find it somewhat surprising that
> Puppet accepted your hash for the resource titles, but I suppose it
> flattens the hash into an ordinary array. It would be nice if that
> elicited at least a warning.
>
> Do not be confused by the similar DSL syntax: resource declarations
> are completely unrelated to hashes at the DSL level. I guess you hoped
> Puppet would unpack the hash into a resource title and properties, but
> it just doesn't, and I wouldn't expect it to do.
>
>
> John
>
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