# File lib/fog/hp/requests/compute/associate_address.rb, line 21
        def associate_address(server_id, ip_address)
          response = Excon::Response.new
          if server = self.data[:servers][server_id]
            data = {"version"=>4, "addr"=>"#{ip_address}"}
            if server['addresses']['private']
              server['addresses']['private'] << data
            else
              server['addresses']['private'] = data
            end
            response.status = 202
          else
            #raise Fog::Compute::HP::NotFound
            response.status = 500
            raise(Excon::Errors.status_error({:expects => 200}, response))
          end
          response
        end