fix mongodb ceilometer database
diff --git a/mongodb/server/database/ceilometer.yml b/mongodb/server/database/ceilometer.yml
index 8952fbd..4adabc0 100644
--- a/mongodb/server/database/ceilometer.yml
+++ b/mongodb/server/database/ceilometer.yml
@@ -1,3 +1,4 @@
+parameters:
   mongodb:
     server:
       database: