On Sat, Oct 13, 2012 at 11:52:49PM +0200, Jakov Sosic wrote:
> On 10/13/2012 11:17 PM, Stefan Schulte wrote:
> > If puppet has to sync ensure it will not sync any other property. That
> > means if your type defines "ensurable" or you have defined an ensure
> > property manually and your system is not yet present, your create method
> > is called and puppet expects the create method to create your system with
> > interfaces.
>
> My understanding of the problem was along those lines too. Now I have
> confirmation...
>
>
> > Otherwise you will see the described behaviour:
> >
> > 1) First run: Puppet finds out ensure is out of sync (is absent, should
> > be present) and calls create
> > 2) Second run: Puppet finds out interfaces is out of sync and and calls
> > interfaces= (or whatever method you have defined for that)
>
>
> I am already detecting in my create method if 'system' is added to
> 'cobbler' (if it's present on the machine agent is running on), and if
> it is, I choose to edit it rather then to try to create it again.
If you use "ensurable", puppet will expect the provider to have an
exists? method and if that returns true your create method will not be
called so you do not have to check the existance in the create method
again.
>
> So, can I just call method "interface=", if I detect I have to create
> the 'system', or is there any way to solve this issue?
If adding interfaces to a new host is exactly the same as changing
interfaces of an already existing host you can call
interface = resource[:interface] if resoure[:interface]
Is your provider dealing with files or does it execute commands? When
dealing with files I find it is often easier to do all the work in the
flush method (which is only called if it is implemented by the provider)
and the other set methods are only updating the @property_hash hash.
So if you want to share your provider code I am always interested ;-)
-Stefan
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