Detailize the TODO item of webhook
Detailize the TODO item of webhook

Change-Id: I820c8a901ea9a469398f00dcb3c9f53d6f12d05f

openstack/senlin,stackforge/senlin,stackforge/senlin,openstack/senlin,tengqm/senlin-container,tengqm/senlin-container,Alzon/senlin,Alzon/senlin,openstack/senlin