def _translate_amphora(self, nova_response):
        '''Convert a nova virtual machine into an amphora object.

        :param nova_response: JSON response from nova
        :returns: an amphora object
        '''
        # Extract information from nova response to populate desired amphora
        # fields
        lb_network_ip = None

        for interface in nova_response.networks:
            if interface == CONF.networking.lb_network_id:
                lb_network_ip = nova_response.networks[interface]
        response = models.Amphora(
            compute_id=nova_response.id,
            status=nova_response.status,
            lb_network_ip=lb_network_ip
        )
        return response