Let me get this straight ... so you want to be able to query PuppetDB
for what 'node' match propagated that nodes configuration right?

So in the case of 'app3.example.com' you want to be able to find it by
looking for app\d+\.example\.com for example? Or you want to see all
nodes that matches that search.

Now, I don't think we store this by default in the catalog or anywhere
else for that matter - the match is discarded after compilation. The
only thing I can think of is if you use a particular class in those
node definitions, or perhaps a dummy class to store that kind of
information?

    # My dummy class
    class foo ($search) { }

    node /app\d+\.example\.com$/ {
      class { 'foo':
        search => "app\d+\.example\.com$"
      }
    }

This way the information gets stored in the catalog and is available
for querying. Its obviously a bit unruly and extra manual work though.
You could effectively use any class or resource to achieve this.

Can I ask why you would want to do this? Perhaps there is an alternate approach.

ken.

On Fri, May 10, 2013 at 8:31 AM, yorks <stuyo...@gmail.com> wrote:
> puppet agent hostname: app1.example.com
> site.pp:
> node 'app2.example.com' { ...}
> node /app\d+\.example\.com$/ { ... }
> ...
>
> I can query the facter and resources from the puppetdb, but how can I get
> which nodes(app2.example.com, app\d+.example.com...) it matching?
>
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