add missing key param to method definition
add missing key param to method definition

Change-Id: Ie1f0ab9496ae68f12bf8ff2f62465355c91d0f83

gnocchixyz/gnocchi,sileht/gnocchi,leandroreox/gnocchi,leandroreox/gnocchi,gnocchixyz/gnocchi,sileht/gnocchi