Add section found in QA log server, SC-2522

This part was only present in QA (log.qa.sveidas.se) for some reason.
So will try to add it for test & prod as well to make them look the same.
Old file: log.qa.sveidas.se/overlay/etc/telegraf/telegraf.conf.d/50-http2.conf

global/overlay/etc/puppet/modules/eid/templates/telegraf2/telegraf.conf.erb

@@ -14,6 +14,16 @@
   omit_hostname = false
 [[inputs.system]]
 
+<% if @server_type == 'log' -%>
+[[inputs.http_listener_v2]]
+  service_address = "0.0.0.0:9999"
+  methods = ["POST"]
+  data_format = "json"
+  json_name_key = "tp"
+  json_time_key = "ts"
+  json_time_format = "2006-01-02 15:04:05"
+  json_timezone = "Local"
+<% end -%>
 [[inputs.tail]]
   files = ["/var/log/eidas_stats.log"]
   data_format = "json"