gistfile1.txt

class ToggleLogging
  def self.setup
    Signal.trap('USR1') do
      toggle
    end
  end

  def self.toggle
    level_before = Rails.logger.level == Logger::DEBUG
    Rails.logger.level = debug_before ? Logger::INFO : Logger::DEBUG
    Rails.logger.info "USR1 signal received, log level is now #{Rails.logger.level}" 
  end
end