Issue #10539 has been updated by Matthaus Litteken.

Target version changed from 2.7.11 to 2.7.x


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Bug #10539: Referencing a class does not validate until it is consume in a 
`require` like metaparameter
https://projects.puppetlabs.com/issues/10539#change-61898

Author: John Eikenberry
Status: Accepted
Priority: High
Assignee: Daniel Pittman
Category: language
Target version: 2.7.x
Affected Puppet version: 2.7.6
Keywords: 
Branch: 


>From the original report:

> I had a typo in my require default line which didn't raise any sort of error 
> until I added to a specific resource.
> That is I had `$require = Class["apps::postgres::multi"]` when there was no 
> such class (the class was named `apps::postgresql::multi`) and this did not 
> raise an error. 
>
> I found the typo when I had an ordering issue and tried adding the `require 
> => Class["apps::postgres::multi"]` to a specific resource and this generated 
> the error "err: Failed to apply catalog: Could not find dependency Class ...".
>
> It should generate the 'could not find dependency' error for the default.

I have verified this: assigning a reference to a type does absolutely not 
validation in Puppet 2.7, including when the content is consumed in some cases:

    $foo = Class["foo"]
    $bar = Banana["bar"]  # note: no such type!
    notice("hello, $foo, from your little $bar")

Instead, the referenced type and entity should be validated during compilation, 
so that a clear error occurs when you reference a non-existent anything - not 
just when that value would be consumed in a way that dereferences the 
dependency.


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