def _get_config_with_retry(self, cxt, filters, site, service, retry): conf_list = models.list_site_service_configuration(cxt, filters) if len(conf_list) > 1: raise exception.EndpointNotUnique(site, service) if len(conf_list) == 0: if not retry: raise exception.EndpointNotFound(site, service) self._update_endpoint_from_keystone(cxt, True) return self._get_config_with_retry(cxt, filters, site, service, False) return conf_list
def _update_endpoint_from_keystone(self, cxt, is_internal): """Update the database by querying service endpoint url from Keystone :param cxt: context object :param is_internal: if True, this method utilizes pre-configured admin username and password to apply an new admin token, this happens only when auto_refresh_endpoint is set to True. if False, token in cxt is directly used, users should prepare admin token themselves :return: None """ if is_internal: admin_context = tricircle_context.Context() admin_context.auth_token = self._get_admin_token() endpoint_map = self._get_endpoint_from_keystone(admin_context) else: endpoint_map = self._get_endpoint_from_keystone(cxt) for region in endpoint_map: # use region name to query site site_filters = [{'key': 'site_name', 'comparator': 'eq', 'value': region}] site_list = models.list_sites(cxt, site_filters) # skip region/site not registered in cascade service if len(site_list) != 1: continue for service in endpoint_map[region]: site_id = site_list[0]['site_id'] config_filters = [{'key': 'site_id', 'comparator': 'eq', 'value': site_id}, {'key': 'service_type', 'comparator': 'eq', 'value': service}] config_list = models.list_site_service_configuration( cxt, config_filters) if len(config_list) > 1: raise exception.EndpointNotUnique(site_id, service) if len(config_list) == 1: config_id = config_list[0]['service_id'] update_dict = { 'service_url': endpoint_map[region][service]} models.update_site_service_configuration( cxt, config_id, update_dict) else: config_dict = { 'service_id': str(uuid.uuid4()), 'site_id': site_id, 'service_name': '%s_%s' % (region, service), 'service_type': service, 'service_url': endpoint_map[region][service] } models.create_site_service_configuration( cxt, config_dict)