Merge "Add some comments for delete logic in bay_create"

magnum/conductor/handlers/bay_k8s_heat.py

@@ -107,6 +107,8 @@ class Handler(object):
                 bay.minions_address = minion_addresses
                 bay.save()
                 raise loopingcall.LoopingCallDone()
+            # poll_and_check is detached and polling long time to check status,
+            # so another user/client can call delete bay/stack.
             if stack.stack_status == 'DELETE_COMPLETE':
                 LOG.info('Bay has been deleted, stack_id: %s' % bay.stack_id)
                 raise loopingcall.LoopingCallDone()
@@ -130,4 +132,4 @@ class Handler(object):
         osc.heat().stacks.delete(stack_id)
         bay.destroy()
 
-        return None
+        return None