Retry on around filter

retryable.rb

def retryable(options = {})
  opts = { :tries => 1, :on => Exception }.merge(options)

  retry_exception, retries = opts[:on], opts[:tries]

  begin
    return yield
  rescue retry_exception
    if (retries -= 1) > 0
      sleep 2
      retry 
    else
      raise
    end
  end
end



class ApplicationController < ActionController::Base

  around_filter :retry_on_timeout

  def retry_on_timeout
    retryable(:tries =>  10, :on => Timeout::Error) do
      yield
    end
  end
end