def create_policy_port_binding(context, policy_id, port_id):
try:
with context.session.begin(subtransactions=True):
db_obj = models.QosPortPolicyBinding(policy_id=policy_id,
port_id=port_id)
context.session.add(db_obj)
except oslo_db_exception.DBReferenceError:
raise n_exc.PortQosBindingNotFound(port_id=port_id,
policy_id=policy_id)
def delete_policy_port_binding(context, policy_id, port_id):
try:
with context.session.begin(subtransactions=True):
db_object = (db.model_query(context, models.QosPortPolicyBinding)
.filter_by(policy_id=policy_id,
port_id=port_id).one())
context.session.delete(db_object)
except orm_exc.NoResultFound:
raise n_exc.PortQosBindingNotFound(port_id=port_id,
policy_id=policy_id)
def detach_port(self, port_id):
deleted = binding.QosPolicyPortBinding.delete_objects(self.obj_context,
port_id=port_id)
if not deleted:
raise exceptions.PortQosBindingNotFound(port_id=port_id,
policy_id=self.id)