drivetrain_ha model fixes - basic working setup

Change-Id: Ic825a7574debde9ee7959e90711aff4a1b27626e
diff --git a/classes/cluster/drivetrain_ha/infra/config.yml b/classes/cluster/drivetrain_ha/infra/config.yml
index fbad093..a536168 100644
--- a/classes/cluster/drivetrain_ha/infra/config.yml
+++ b/classes/cluster/drivetrain_ha/infra/config.yml
@@ -22,6 +22,12 @@
       reactor:
         reclass/minion/classify:
         - salt://reclass/reactor/node_register.sls
+      environment:
+        prd:
+          formula:
+            glusterfs:
+              source: pkg
+              name: salt-formula-glusterfs
   linux:
     network:
       interface: