Have ceilometer to respect the keystone settings

lib/ceilometer ignored the global settings related to keystone settings.

It can cause issues for example when the keystone does not listen on
127.0.0.1 even in single node deployment.

Change-Id: I6e4654daa2ec624ac11aaf7f49495fcfaa72071d
diff --git a/lib/ceilometer b/lib/ceilometer
index 30bf3ae..75c00b6 100644
--- a/lib/ceilometer
+++ b/lib/ceilometer
@@ -137,7 +137,9 @@
     iniset $CEILOMETER_CONF DEFAULT os_password $SERVICE_PASSWORD
     iniset $CEILOMETER_CONF DEFAULT os_tenant_name $SERVICE_TENANT_NAME
 
-    iniset $CEILOMETER_CONF keystone_authtoken auth_protocol http
+    iniset $CEILOMETER_CONF keystone_authtoken auth_host $KEYSTONE_AUTH_HOST
+    iniset $CEILOMETER_CONF keystone_authtoken auth_port $KEYSTONE_AUTH_PORT
+    iniset $CEILOMETER_CONF keystone_authtoken auth_protocol $KEYSTONE_AUTH_PROTOCOL
     iniset $CEILOMETER_CONF keystone_authtoken admin_user ceilometer
     iniset $CEILOMETER_CONF keystone_authtoken admin_password $SERVICE_PASSWORD
     iniset $CEILOMETER_CONF keystone_authtoken admin_tenant_name $SERVICE_TENANT_NAME