[QUEENS] Fix cacert file

Change-Id: I4da27e8deaf4632036e74ace52a00637d968cff8
Related-Prod: https://mirantis.jira.com/browse/PROD-20721
diff --git a/barbican/files/queens/barbican.conf.Debian b/barbican/files/queens/barbican.conf.Debian
index eff5d37..da9aa74 100644
--- a/barbican/files/queens/barbican.conf.Debian
+++ b/barbican/files/queens/barbican.conf.Debian
@@ -205,6 +205,7 @@
 
 [keystone_authtoken]
 {%- set _data = server.identity %}
+{%- if 'cacert_file' not in _data.keys() %}{% do _data.update({'cacert_file': server.cacert_file}) %}{% endif %}
 {%- set auth_type = _data.get('auth_type', 'password') %}
 {%- include "oslo_templates/files/queens/keystonemiddleware/_auth_token.conf" %}
 {%- include "oslo_templates/files/queens/keystoneauth/_type_" + auth_type + ".conf" %}