Merge pull request #2 from meysammeisam/improvement1

add daemon and connection closing

newrelic_postgresql_replication_agent

@@ -31,6 +31,10 @@ module NewRelicPostgresqlReplication
           report_metric "Delay/#{postgres.type}/#{name}", 'Bytes', data[:delay_in_byte].to_i
         end
       end
+
+      dbs.each do |_, postgres|
+        postgres.close_connection
+      end
     end
   end
 
@@ -48,6 +52,10 @@ module NewRelicPostgresqlReplication
       @db[delay_in_byte_query].to_a
     end
 
+    def close_connection
+      @db.disconnect
+    end
+
     private
 
     def delay_in_byte_query

newrelic_postgresql_replication_agent.daemon

@@ -0,0 +1,7 @@
+#!/usr/bin/env ruby
+
+require 'rubygems'
+require 'daemons'
+require 'bundler/setup'
+
+Daemons.run(File.dirname(Pathname.new(__FILE__).realpath) + '/newrelic_postgresql_replication_agent')