Puppet users - May 2011 - PC EU feedback: ability to remove all unmanaged resources

http://projects.puppetlabs.com/issues/7600

I call this the "agent orange" option :)

This works, purging all unmanaged hosts entries:

    resources { ''host'':
        purge => true,
        noop => true,
    }

We should have a similar property for all (most?) types.

Please comment on the ticket or reply here, whichever you prefer.

Thanks!

r

P.S. This is in response to feedback from my "Improving the Puppet
DSL" session at Puppet Camp EU, 2011.  This ticket isn''t a promise
we
will take action, but we could very much like comment and discussion
from you good people.

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On May 20, 3:17 pm, Randall Hansen <rand...@puppetlabs.com>
wrote:
> http://projects.puppetlabs.com/issues/7600
>
> I call this the "agent orange" option :)
>
> This works, purging all unmanaged hosts entries:
>
>     resources { ''host'':
>         purge => true,
>         noop => true,
>     }
>
> We should have a similar property for all (most?) types.
>
> Please comment on the ticket or reply here, whichever you prefer.

I don''t understand.  I didn''t think the "resources"
meta-resource was
specific to use with the ''host'' resource type.  Are there any
resource
types that it *doesn''t* work with?


John

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On Fri, May 20, 2011 at 3:15 PM, jcbollinger
<John.Bollinger@stjude.org>wrote:
>
>
> On May 20, 3:17 pm, Randall Hansen <rand...@puppetlabs.com> wrote:
> > http://projects.puppetlabs.com/issues/7600
> >
> > I call this the "agent orange" option :)
> >
> > This works, purging all unmanaged hosts entries:
> >
> >     resources { ''host'':
> >         purge => true,
> >         noop => true,
> >     }
> >
> > We should have a similar property for all (most?) types.
> >
> > Please comment on the ticket or reply here, whichever you prefer.
>
>
> I don''t understand.  I didn''t think the
"resources" meta-resource was
> specific to use with the ''host'' resource type.  Are there
any resource
> types that it *doesn''t* work with?
>
Err, I assume (hope) it doesn''t work with Augeas or File.  I''d
guess Package
is too dangerous to be useful, but I could be wrong.

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On May 21, 2:11 am, Patrick Mohr <kc7...@gmail.com>
wrote:
> On Fri, May 20, 2011 at 3:15 PM, jcbollinger
<John.Bollin...@stjude.org>wrote:
>
> > On May 20, 3:17 pm, Randall Hansen <rand...@puppetlabs.com>
wrote:
> > >http://projects.puppetlabs.com/issues/7600
>
> > > I call this the "agent orange" option :)
>
> > > This works, purging all unmanaged hosts entries:
>
> > >     resources { ''host'':
> > >         purge => true,
> > >         noop => true,
> > >     }
>
> > > We should have a similar property for all (most?) types.
>
> > > Please comment on the ticket or reply here, whichever you prefer.
>
> > I don''t understand.  I didn''t think the
"resources" meta-resource was
> > specific to use with the ''host'' resource type.  Are
there any resource
> > types that it *doesn''t* work with?
>
> Err, I assume (hope) it doesn''t work with Augeas or File.
 I''d guess Package
> is too dangerous to be useful, but I could be wrong.

Puppet is a powerful tool.  If you use a powerful tool incorrectly,
you can get powerfully hurt.

All flippancy aside, my point is that the issue appears to be
misconceived.  To the best of my knowledge, the "resources"
metaresource does work with all resource types, at least in
principle.  I imagine that in practice there are resource types that
it cannot purge, as a result of those types'' implementation details,
and I suspect File and Augeas are among those.  But that''s not what I
was talking about.

Perhaps the question would make more sense if posed in a positive
sense: "Is the Resources type explicitly limited to working with only
a subset of the available resource types?"  I thought the answer was
"no."


Furthermore, some resource types do have type-specific purging at one
scope or another.  File is among them.


John

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