added public endpoint parameter to mitaka config

Change-Id: I271c16d72d5bf19256a5d2cf409ccece1f05855c
diff --git a/cinder/files/mitaka/cinder.conf.controller.Debian b/cinder/files/mitaka/cinder.conf.controller.Debian
index 77f9bac..24aed63 100644
--- a/cinder/files/mitaka/cinder.conf.controller.Debian
+++ b/cinder/files/mitaka/cinder.conf.controller.Debian
@@ -4,6 +4,13 @@
 rootwrap_config = /etc/cinder/rootwrap.conf
 api_paste_confg = /etc/cinder/api-paste.ini
 
+{%- if controller.public_endpoint_address is defined %}
+
+public_endpoint = {{ controller.public_endpoint_address }}
+osapi_volume_base_URL = {{ controller.public_endpoint_address }}
+
+{%- endif %}
+
 iscsi_helper = tgtadm
 volume_name_template = volume-%s
 #volume_group = cinder