Ocata compatability

add haproxy, keystone and databases for ocata
diff --git a/galera/server/database/nova.yml b/galera/server/database/nova.yml
index 619c5df..86d4821 100644
--- a/galera/server/database/nova.yml
+++ b/galera/server/database/nova.yml
@@ -24,3 +24,14 @@
             password: ${_param:mysql_nova_password}
             host: ${_param:cluster_local_address}
             rights: all
+        nova_cell0:
+          encoding: utf8
+          users:
+          - name: nova
+            password: ${_param:mysql_nova_password}
+            host: '%'
+            rights: all
+          - name: nova
+            password: ${_param:mysql_nova_password}
+            host: ${_param:cluster_local_address}
+            rights: all