Comment 2 for bug 827569

OK, so it's a ~7700 line diff between 2011-01-01 and 2009-04-04

There's some new stuff in there, like types, min/max occurances, new elements ... I don't think OpenStack can claim to support this version of the API without a bunch of verification. At a quick glance, there's also some code in trunk nova/api/ec2/cloud.py for this version of the API that wouldn't be in 2009-04-04 ...

You can get WSDLs from:
 https://s3.amazonaws.com/ec2-downloads/2011-01-01.ec2.wsdl

 https://s3.amazonaws.com/ec2-downloads/2009-04-04.ec2.wsdl