Add telegraf support

Change-Id: Ifd8bf27632c415e3090309084b9da3528caec8e9
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index a9a0c0e..5e589d2 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -1,6 +1,8 @@
 parameters:
   kubernetes:
     _support:
+      telegraf:
+        enabled: true
       collectd:
         enabled: true
       heka: