def get_ports(self, context, filters=None, fields=None,
                  sorts=None, limit=None, marker=None,
                  page_reverse=False):
        LOG.debug("instrument: enter get_ports")
        marker_obj = self._get_marker_obj(context, 'port', limit, marker)
        query = self._get_ports_query(context, filters=filters,
                                      sorts=sorts, limit=limit,
                                      marker_obj=marker_obj,
                                      page_reverse=page_reverse)
        items = []
        for c in query:
            if (('dns-integration' in self.supported_extension_aliases and
                 'dns_name' in c)):
                c['dns_assignment'] = self._get_dns_name_for_port_get(context,
                                                                      c)
            items.append(self._make_port_dict(c, fields))
        if limit and page_reverse:
            items.reverse()
        LOG.debug("instrument: exit get_ports")