Add exception handler

lib/barbeque/exception_handler.rb

@@ -0,0 +1,25 @@
+require 'barbeque/configuration'
+
+module Barbeque
+  module ExceptionHandler
+    class << self
+      def handle_exception(e)
+        case Barbeque.config.exception_handler
+        when 'rails_logger'
+          rails_logger(e)
+        when 'raven'
+          Raven.capture_exception(e)
+        else
+          Rails.logger.fatal("Unexpected exception handler: #{Barbeque.config.exception_handler}")
+          rails_logger(e)
+        end
+      end
+
+      private
+
+      def rails_logger(e)
+        Rails.logger.error("#{e.inspect}\n#{e.backtrace.join("\n")}")
+      end
+    end
+  end
+end

lib/barbeque/worker.rb

@@ -1,3 +1,4 @@
+require 'barbeque/exception_handler'
 require 'barbeque/message_handler'
 require 'barbeque/message_queue'
 require 'serverengine'
@@ -53,8 +54,7 @@ def execute_job
       handler = MessageHandler.const_get(message.type, false)
       handler.new(message: message, job_queue: message_queue.job_queue).run
     rescue => e
-      # Use Raven.capture_exception
-      Rails.logger.fatal("[ERROR] #{e.inspect}\n#{e.backtrace.join("\n")}")
+      Barbeque::ExceptionHandler.handle_exception(e)
     end
 
     private

spec/dummy/config/barbeque.yml

@@ -1,4 +1,5 @@
 default: &default
+  exception_handler: rails_logger
   runner: Docker
 
 development: