How about deprecating defined?(Type['title']), but allowing it to accept a
resource hash? This would definitely satisfy my use cases while alleviating
concerns about resource attribute conflicts/parse order dependencies
if defined?(
{
package['foo'] => { ensure => present }
}
) {
package { 'foo': ensure => present }
}
On Fri, Jan 20, 2012 at 1:00 AM, Dan Bode <d...@puppetlabs.com> wrote:
> I wind up using defined more than I should probably admit. yes it is
> dangerous/confusing b/c of parse order dependencies, but it is also really
> useful for a few use cases
>
> * static resources in a defined resource type (avoids having to use
> classes to store all static dependencies)
>
> * the big reason I keep on leaning on it is for package dependencies.
> Often something needs an additional package installed (and it is possible
> that other modules may have that same package dependency, and I don't want
> to have to create a new class every time that I need another package
> (especially for something complicated that may have tons of package
> dependencies)
>
> puppet-apt has a relevant pull request where someone wants to wrap a
> defined? around python-software-properties for this exact reason
>
> https://github.com/puppetlabs/puppet-apt/pull/10
>
>
> On Thu, Jan 19, 2012 at 9:18 AM, Nigel Kersten <ni...@puppetlabs.com>wrote:
>
>> I'm looking for strong opinions on whether we should or shouldn't
>> deprecate the defined() function for Telly, the next major Puppet release
>> this year.
>>
>> jcbollinger put it quite well in another thread:
>>
>> "Use of the "defined" function introduces a parse-order dependency, and
>> the additional work you need to do to ensure that that dependency is always
>> fulfilled overcomes any simplicity advantage that might otherwise exist."
>>
>>
>>
>> --
>> Nigel Kersten
>> Product Manager, Puppet Labs
>>
>>
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>
>
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