Install redis-server if needed
Install redis-server if needed

Change-Id: Idb296a0fb2b8f66e864035cb223322f1717f850a

leandroreox/gnocchi,idegtiarov/gnocchi-rep,sileht/gnocchi,gnocchixyz/gnocchi,leandroreox/gnocchi,sileht/gnocchi,idegtiarov/gnocchi-rep,gnocchixyz/gnocchi,idegtiarov/gnocchi-rep