Include service.telegraf.agent

Change-Id: Ic19043323dcb98a88a3c3c5611961684e991631f
diff --git a/telegraf/agent/init.yml b/telegraf/agent/init.yml
index 5537b75..0e836e8 100644
--- a/telegraf/agent/init.yml
+++ b/telegraf/agent/init.yml
@@ -1,3 +1,5 @@
+classes:
+- service.telegraf.agent
 parameters:
   telegraf:
     agent: