Monkeypatching to change rails default logging to something more useful

config/application.rb

@@ -12,6 +12,7 @@ require 'active_resource/railtie'
 Bundler.require(:default, Rails.env) if defined?(Bundler)
 
 require File.expand_path('../../lib/mongo_mapper/bson_id', __FILE__)
+require File.expand_path('../../lib/log_overrider', __FILE__)
 module Diaspora
   class Application < Rails::Application
     # Settings in config/environments/* take precedence over those specified here.

lib/log_overrider.rb

@@ -0,0 +1,32 @@
+class ActionView::LogSubscriber
+  def render_template(event)
+    message = "event=render "
+    message << "template=#{from_rails_root(event.payload[:identifier])} "
+    message << "layout=#{from_rails_root(event.payload[:layout])} " if event.payload[:layout]
+    message << "time=#{("%.1fms" % event.duration)}"
+    info(message)
+  end
+  alias :render_partial :render_template
+  alias :render_collection :render_template
+end
+
+class ActionController::LogSubscriber
+  def start_processing(event)
+    payload = event.payload
+    params  = payload[:params].except(*INTERNAL_PARAMS)
+    log_string = "event=request_routed controller=#{payload[:controller]} action=#{payload[:action]} format=#{payload[:formats].first.to_s.upcase} "
+    log_string << "params='#{params.inspect}'" unless params.empty?
+    info(log_string)
+  end
+
+  def process_action(event)
+    payload   = event.payload
+    additions = ActionController::Base.log_process_action(payload)
+
+    log_string = "event=request_completed status=#{payload[:status]} "
+    log_string << "hstatus=#{Rack::Utils::HTTP_STATUS_CODES[payload[:status]]} time=#{"%.0fms" % event.duration} "
+    log_string << " (#{additions.join(" | ")})" unless additions.blank?
+
+    info(log_string)
+  end
+end