Code review comment for lp:~johnsca/charms/trusty/cf-cloud-controller/services-callback-fu

LGTM. nice and concise.

https://codereview.appspot.com/100680044/diff/20001/hooks/charmhelpers/core/services.py
File hooks/charmhelpers/core/services.py (left):

https://codereview.appspot.com/100680044/diff/20001/hooks/charmhelpers/core/services.py#oldcode5
hooks/charmhelpers/core/services.py:5: SERVICES = {}
As discussed with Cory: we are abusing module scope and globals to
emulate object behavior. I feel the code will age and extend better if
we sacrificed a tiny bit of api convenience and used idiomatic python
classes here.

https://codereview.appspot.com/100680044/