Initial commit

lib/peatio/json_log_formatter.rb

@@ -0,0 +1,14 @@
+class JSONLogFormatter < ::Logger::Formatter
+  def call(severity, time, _progname, msg)
+      begin
+        obj = JSON.parse msg
+      rescue StandardError
+        obj = msg
+      end
+      if obj.is_a? Hash
+        JSON.dump(obj.merge({ level: severity, time: time })) + "\n"
+      else
+        JSON.dump(level: severity, time: time, message: msg) + "\n"
+      end
+  end
+end