# File lib/facter/ec2/rest.rb, line 127
      def fetch
        open(@baseurl).read
      rescue OpenURI::HTTPError => e
        if e.message.match /404 Not Found/i
          return nil
        else
          Facter.log_exception(e, "Failed to fetch ec2 uri #{uri}: #{e.message}")
          return nil
        end
      end