Add improved logging

config/initializers/log_formatting.rb

@@ -0,0 +1,27 @@
+class ActiveSupport::BufferedLogger
+  def formatter=(formatter)
+    @log.formatter = formatter
+  end
+end
+
+class Formatter
+  SEVERITY_TO_TAG_MAP     = {'DEBUG'=>'meh', 'INFO'=>'fyi', 'WARN'=>'hmm', 'ERROR'=>'wtf', 'FATAL'=>'omg', 'UNKNOWN'=>'???'}
+  SEVERITY_TO_COLOR_MAP   = {'DEBUG'=>'0;37', 'INFO'=>'32', 'WARN'=>'33', 'ERROR'=>'31', 'FATAL'=>'31', 'UNKNOWN'=>'37'}
+  USE_HUMOROUS_SEVERITIES = false
+
+  def call(severity, time, progname, msg)
+    if USE_HUMOROUS_SEVERITIES
+      formatted_severity = sprintf("%-3s","#{SEVERITY_TO_TAG_MAP[severity]}")
+    else
+      formatted_severity = sprintf("%-5s","#{severity}")
+    end
+
+    formatted_time = time.strftime("%Y-%m-%d %H:%M:%S.") << time.usec.to_s[0..2].rjust(3)
+    color = SEVERITY_TO_COLOR_MAP[severity]
+
+    "\033[0;37m#{formatted_time}\033[0m [\033[#{color}m#{formatted_severity}\033[0m] #{msg.strip} (pid:#{$$})\n"
+  end
+
+end
+
+Rails.logger.formatter = Formatter.new