Add http_response input for endpoint

Change-Id: I59a685d5102f7fc3f49010fd07e7bd044633cfd1
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index e1bd1a3..ab94857 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -8,4 +8,6 @@
       sensu:
         enabled: false
       sphinx:
-        enabled: true
\ No newline at end of file
+        enabled: true
+      telegraf:
+        enabled: true