Handle environment variables

Manage rabbitmq-env config file that overrides the
defaults built in to the RabbitMQ startup scripts.

Change-Id: I1524ef715600c7b350ad981b15de31d9583f8268
Closes-Bug: PROD-26132
diff --git a/tests/pillar/rabbitmq_server.sls b/tests/pillar/rabbitmq_server.sls
index 98bf4b3..640a89c 100644
--- a/tests/pillar/rabbitmq_server.sls
+++ b/tests/pillar/rabbitmq_server.sls
@@ -24,3 +24,7 @@
     plugins:
     - amqp_client
     - rabbitmq_management
+    env_variables:
+      hostname: localhost
+      export:
+        home: /var/lib/rabbitmq