remove resource if not created
remove resource if not created

gnocchi dispatcher will attempt to patch resource after pushing
measures. if we can't create resource, we shouldn't bother trying
to handle the patch later on. also, add better logging to figure
out which resource failed

Change-Id: Icfb2a694230d5c185a2726463657d3a11ed59fe0

openstack/ceilometer,openstack/ceilometer