Add mongodb service metadata

Change-Id: Ibc504d1267e4d02681a11df6609035428d0f5ffd
diff --git a/glusterfs/server/volume/mongodb.yml b/glusterfs/server/volume/mongodb.yml
new file mode 100644
index 0000000..a9c69f7
--- /dev/null
+++ b/glusterfs/server/volume/mongodb.yml
@@ -0,0 +1,17 @@
+parameters:
+  glusterfs:
+    server:
+      volumes:
+        mongodb:
+          storage: /srv/glusterfs/mongodb
+          replica: 3
+          bricks:
+            - ${_param:cluster_node01_address}:/srv/glusterfs/mongodb
+            - ${_param:cluster_node02_address}:/srv/glusterfs/mongodb
+            - ${_param:cluster_node03_address}:/srv/glusterfs/mongodb
+          options:
+            cluster.readdir-optimize: On
+            nfs.disable: On
+            network.remote-dio: On
+            diagnostics.client-log-level: WARNING
+            diagnostics.brick-log-level: WARNING