On Sun, May 20, 2012 at 01:17:57PM +0200, Markus Falb wrote:
> Hi,
> I was thinking about a conceptual thing and I will try to explain with a
> concrete example.
>
> In the puppetlabs-lvm module
> there is code like this in the logical_volume provider
>
> if mount( '-f', '--guess-fstype', path) =~ /ext[34]/
> resize2fs( path) || ...
> end
>
> The resize2fs command is in the e2fsprogs package (well it is more
> complicated, but this is another topic), so this package has to be
> installed or an error will thrown.
>
> I was thinking about how to ensure that the package is installed.
> I realize that I could do just
>
> package { 'e2fsprogs': }
> logical_volume { 'bla':
> fs_type => 'ext3',
> require => Package['e2fsprogs']
> }
>
> Is it possible to hide this dependency in the custom type?
The custom type "logical_volume" could specify an autorequire:
in logical_volume.rb:
autorequire(:package) do
'e2fsprogs'
end
This way every logical_volume will depend on Package['e2fsprogs'] but
only if such a package is present in the catalog.
But what version of puppet are you using? Not sure if
http://projects.puppetlabs.com/issues/6907
already covers your case.
-Stefan
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