Comment 11 for bug 1410622

This is the nova code that generates the creds:

https://review.openstack.org/#/c/146124/

I found in the ec2-api project in stackforge that they fixed this differently (it's quite a bit more code):

https://github.com/stackforge/ec2-api/commit/e4c4463ab10ebf6e21d84f9b3369494b0055f963

I haven't yet gone through the differences in detail.