[zenoss-zenpacks] Skipping existing objects... would like overwrite option

[Chet Luther]

> One last thing is preventing me from doing away altogether with my  
> external setup scripts:  zenpack install completely skips pre- 
> existing objects, even if they differ from what's in the zenpack.
>
> I.e. I want to customize/change properties on some of the pre- 
> existing /Devices classes, like zCollectorPlugins,  
> zFileSystemMapIgnoreNames, etc.
>
> I would like to see the importer have an option to re-set properties  
> of existing objects if the user desires.

This is a good idea. I added a ticket for it. For the time being you  
can use the install/update method of your ZenPack in its __init__.py  
to manually make these changes if required.

Ticket #2440:
http://dev.zenoss.org/trac/ticket/2440