def get_iscsi_nodes_by_service_name(self, service_name):
    return filter((lambda service: ((service['type'] == 'iscsi') and (service['name'] == service_name) and (service['sid'] != '-'))), self.service_records)
def get_iscsi_nodes_by_service_name(self, service_name):
    return filter((lambda service: ((service['type'] == 'iscsi') and (service['name'] == service_name) and (service['sid'] != '-'))), self.service_records)