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I'm reworking the virt driver loading so that it's using importutils 
(and thus looking more like the other driver interfaces), which means 
eventually connection_type parameter in nova.conf goes away, and 
computer_driver is used directly (the support is already there, but it's 
not currently used by default).

Is there a standard mechanism for deprecating a conf option like this? 
Right now I'm just triggering a LOG.error() with a deprecation message, 
but it seems like there should be something more standard for that, 
especially as we get into a deprecate in N, remove in N+1. I'm assuming 
this is a deprecation in Folsom (where the docs are changed to the new 
method), then remove the backwards compat in G.

	-Sean

-- 
Sean Dague
IBM Linux Technology Center
email: sdague at linux.vnet.ibm.com
alt-email: sldague at us.ibm.com