Add alarm cluster definitions
diff --git a/rabbitmq/meta/heka.yml b/rabbitmq/meta/heka.yml
index 18f9639..1fa36a9 100644
--- a/rabbitmq/meta/heka.yml
+++ b/rabbitmq/meta/heka.yml
@@ -98,3 +98,15 @@
       - rabbitmq_queue_warning
       dimension:
         service: rabbitmq-cluster
+aggregator:
+  alarm_cluster:
+    rabbitmq_cluster:
+      policy: highest_severity
+      match:
+        service: rabbitmq-cluster
+      members:
+      - rabbitmq_server_disk
+      - rabbitmq_server_memory
+      - rabbitmq_server_queue
+      dimension:
+        service: rabbitmq