Dont use glusterfs for prometheus

Change-Id: Ic97ca66ee27d1a8a87be5bea9297d483ac01090a
diff --git a/prometheus/server/init.yml b/prometheus/server/init.yml
index 2c241bd..99fdceb 100644
--- a/prometheus/server/init.yml
+++ b/prometheus/server/init.yml
@@ -5,4 +5,6 @@
   prometheus:
     server:
       dir:
+        data: /srv/volumes/local/prometheus/data
+        config: /srv/volumes/local/prometheus/config
         config_in_container: ${_param:prometheus_server_config_directory}