Comment 4 for bug 1504017

Verified on MOS 8.0 RC#1

STV:

1. Deploy cluster with controller and compute nodes
2. Go to controller node
3. Add /etc/hiera/override/openstack-region.yaml with content:
region: region_eu
nova:
  region: region_eu
glance:
  region: region_eu
cinder:
  region: region_eu
quantum_settings:
  region: region_eu
swift:
  region: region_eu
sahara_hash:
  region: region_eu
heat:
  region: region_eu
ceilometer:
  region: region_eu
4. Add "override/openstack-region" in /etc/hiera.yaml
5. execute
# puppet apply /etc/puppet/modules/osnailyfacter/modular/modular/glance/glance.pp
6. Check glance config files that there is a new value of region