On Fri, 15 May 2015 at 00:59 Joshua hoblitt <j...@hoblitt.com> wrote:
> As I'm slowly updating my modules' testing boilerplate for puppet 4.x,
> I've run into a couple cases of breakage that I'm unsure if they are
> intentional changes in semantics or regressions.
>
> When introspecting on a resource and the param is undefined, an empty
> string is now being returned instead of my good friend `undef`.
>
> I understand that '' is the same type of the param in this case but it
> seems like a step backwards to have to go back to [the early days of]
> comparing everything to '' instead of undef.
>
> ```
> $user_home = getparam(User[$user], 'home')
>
> $home = $user_home ? {
> '' => "/home/${user}", # puppet 4.0
> undef => "/home/${user}", # puppet 3.7
> default => $user_home,
> }
> ```
>
> It appears that classes are no longer a first class resource.
>
> ```
> Class['port389::admin::ssl']{ notify =>
> Class['port389::admin::service'] }
> ```
>
> ```
> Evaluation Error: Resource Override can only operate on
> resources, got: Class[port389::admin::ssl]-Type at
>
> /home/jhoblitt/github/puppet-port389/spec/fixtures/modules/port389/manifests/admin/ssl.pp:8:3
> on node leo.tuc.noao.edu
> ```
>
> I confess that this is fairly unusual syntax but it does work as
> expected under 3.x.
>
> What do you guys think?
>
This second issue was discussed a bit in the comments on PUP-2891:
https://tickets.puppetlabs.com/browse/PUP-2891
You could work around it by using the syntax Class['port389::admin::ssl']
~> Class['port389::admin::service'] instead which works in both 3.x and 4.x.
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