Set host name explicitly for telemetry
Set host name explicitly for telemetry

Without this there could be a mismatch with other services like
nova and neutron and ceilometer wont find nova instances.

Closes-bug: #1721054

Depends-On: I421a61dc31bd10fec0a10bf7e867001cf4dd3f02

Change-Id: I92f6d351931f1ea598d6a382704e8f986129be42

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