def _get_sfc_db(self, context, sfc_id, current_statuses, new_status):
try:
sfc_db = (self._model_query(
context, VnffgChain).filter(VnffgChain.id == sfc_id).filter(
VnffgChain.status.in_(current_statuses)).with_lockmode(
'update').one())
except orm_exc.NoResultFound:
raise nfvo.SfcNotFoundException(sfc_id=sfc_id)
if sfc_db.status == constants.PENDING_UPDATE:
raise nfvo.SfcInUse(sfc_id=sfc_id)
sfc_db.update({'status': new_status})
return sfc_db
def _get_resource(self, context, model, res_id):
try:
return self._get_by_id(context, model, res_id)
except orm_exc.NoResultFound:
if issubclass(model, Vnffg):
raise nfvo.VnffgNotFoundException(vnffg_id=res_id)
elif issubclass(model, VnffgClassifier):
raise nfvo.ClassifierNotFoundException(classifier_id=res_id)
if issubclass(model, VnffgTemplate):
raise nfvo.VnffgdNotFoundException(vnffgd_id=res_id)
if issubclass(model, VnffgChain):
raise nfvo.SfcNotFoundException(sfc_id=res_id)
else:
raise
