Comment 1 for bug 1364507

This is probably a historical mistake, but we can't just change the API as it may break existing users.

I'd suggest we add this to the wishlist for the v2 API:

https://wiki.openstack.org/wiki/Heat/Blueprints/V2API

https://blueprints.launchpad.net/heat/+spec/v2api

And for now, those consuming the values can use oslo bool_from_string function which should work correctly with either format:

https://github.com/openstack/oslo-incubator/blob/master/openstack/common/strutils.py#L100