Adding _resource.type metadata in logs

Author: prakalp05

lib/logstash/outputs/lmlogs.rb

@@ -308,6 +308,7 @@ def processEvent(event)
     if @include_metadata
       lmlogs_event = event_json
       lmlogs_event.delete("@timestamp")  # remove redundant timestamp field
+      lmlogs_event["_resource.type"]="Logstash"
       if lmlogs_event.dig("event", "original") != nil
         lmlogs_event["event"].delete("original") # remove redundant log field
       end
@@ -355,4 +356,4 @@ def isValidPayloadSize(documents,lmlogs_event,max_payload_size)
     documents.push(lmlogs_event)
     return documents
   end
-end # class LogStash::Outputs::LMLogs
+end # class LogStash::Outputs::LMLogs