Puppet users - Dec 2012 - extending an existing type

I am trying to add a property to the User type in order to be able to 
turn off the screen saver of the managed users. Everything I have found 
on custom types has been around creating an entirely new type rather 
than extending an existing one -- except for one sentence on the Custom 
Types page; ''You can optionally specify a parent class; otherwise, 
Puppet::Type is used as the parent class.''

With that in mind, in theory, something like this should work

Puppet::Type.newtype(:extended_windows_user, {:parent => 
Puppet::Type::User}) do
   newproperty(:screensaver_enabled) do
     desc "boilerplate"
   end
end

but when I run the agent the manifest cannot be compiled saying

Invalid parameter managehome at ...

which I would have expected it to find since it is in the :parent. And 
does work if I use ''user'' rather than
''extended_windows_user'' in my
manifest.

Is there some missing bit of inheritance magic I am missing? I''ve been 
staring at this now for long enough that even if the solution was right 
in front of me I would mess it.

Thanks.

-adam

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> I am trying to add a property to the User type in order to be able to turn
> off the screen saver of the managed users. Everything I have found on
custom
> types has been around creating an entirely new type rather than extending
an
> existing one -- except for one sentence on the Custom Types page;
''You can
> optionally specify a parent class; otherwise, Puppet::Type is used as the
> parent class.''
I don''t think you can add new properties or parameters to an existing
type. Not easily anyway.

What I would recommend, is creating a defined type/resource instead
that creates users - and add your functionality into that. You then
have a nice wrapper that you can customize. More or less defined types
work like ruby types anyway, and avoid a lot of code hassles that are
probably not required in your case:

http://docs.puppetlabs.com/learning/definedtypes.html

... unless you have a reason for needing a proper Ruby type?

ken.

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