Add Barbican section in Nova and Cinder to use disk encryption

Change-Id: I5bbd20a390f385a60ff2f330cc8fa7fb1117a42a
Closes-Bug: #1721292

ansible/roles/cinder/templates/cinder.conf.j2

@@ -191,3 +191,8 @@ hmac_keys = {{ osprofiler_secret }}
 connection_string = elasticsearch://{{ elasticsearch_address }}:{{ elasticsearch_port }}
 {% endif %}
 {% endif %}
+
+{% if enable_barbican | bool %}
+[barbican]
+auth_endpoint = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_public_port }}
+{% endif %}

ansible/roles/nova/templates/nova.conf.j2

@@ -256,3 +256,8 @@ hmac_keys = {{ osprofiler_secret }}
 connection_string = elasticsearch://{{ elasticsearch_address }}:{{ elasticsearch_port }}
 {% endif %}
 {% endif %}
+
+{% if enable_barbican | bool %}
+[barbican]
+auth_endpoint = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_public_port }}
+{% endif %}