Add PostgreSQL to KDT

Change-Id: I6317421eab7f1dfedd3a5302c4a3f293c99e5be8
Related-prod: PROD-28242 (PROD:28242)
diff --git a/glusterfs/server/volume/postgresql_k8s.yml b/glusterfs/server/volume/postgresql_k8s.yml
new file mode 100644
index 0000000..f276d60
--- /dev/null
+++ b/glusterfs/server/volume/postgresql_k8s.yml
@@ -0,0 +1,20 @@
+parameters:
+  glusterfs:
+    server:
+      volumes:
+        postgresql-data:
+          storage: /srv/glusterfs/postgresql
+          replica: 3
+          bricks:
+            - ${_param:cluster_node01_address}:/srv/glusterfs/postgresql
+            - ${_param:cluster_node02_address}:/srv/glusterfs/postgresql
+            - ${_param:cluster_node03_address}:/srv/glusterfs/postgresql
+          options:
+            storage.owner-gid: 999
+            storage.owner-uid: 999
+            cluster.readdir-optimize: On
+            nfs.disable: On
+            network.remote-dio: On
+            diagnostics.client-log-level: WARNING
+            diagnostics.brick-log-level: WARNING
+            cluster.favorite-child-policy: mtime