Add creating of directory for pos files

Put everything under role `agent`

Change-Id: I0944e67c902790cdbdb5a88952d1f28482f70d7d
diff --git a/metadata/service/support.yml b/metadata/service/support.yml
index 88522d2..1fc7796 100644
--- a/metadata/service/support.yml
+++ b/metadata/service/support.yml
@@ -1,3 +1,4 @@
 parameters:
   fluentd:
     _support:
+      enabled: true