    # 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