Full URL in Rails’ logs

I find myself needing to have the full URLs in Rails’ logs. Normally you get something like:

Started GET "/" for 127.0.0.1 at 2011-08-27 13:13:10 +0200

but I needed

Started GET "http://foo.bar:3000/" for 127.0.0.1 at 2011-08-27 13:13:10 +0200

because the app does different things depending on the domain and when it fails, I have to know which URL was hit. The solution I ended up with was adding this in an initializer:

class Rails::Rack::Logger << ActiveSupport::LogSubscriber
  protected

  def before_dispatch(env)
    request = ActionDispatch::Request.new(env)
    info "\n\nStarted #{request.request_method} \"#{request.url}\" for #{request.ip} at #{Time.now.to_default_s}"
  end
end

That’s monkey-patching Rails’ own logger. Credit for the solution goes to numbers1311407.

My question for the people using Rails, do you think having a configurable logger in Rails would be useful or nice? If so, I could make a patch for Rails but I have made patches before that failed to gather the needed popularity and thus were ignored. I’m not wasting my time like that again.

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