Assume Grafana and Ceph Dashboard to be on the storage or ctlplane nets
Assume Grafana and Ceph Dashboard to be on the storage or ctlplane nets

Both Grafana and the Ceph Dashboard when deployed by ceph-ansible
will be always listening on the storage frontend network.

Change-Id: I3481ddfeeb5603e0e31e4afd26e4218df5defd11

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates