def create_policy_network_binding(context, policy_id, network_id):
try:
with context.session.begin(subtransactions=True):
db_obj = models.QosNetworkPolicyBinding(policy_id=policy_id,
network_id=network_id)
context.session.add(db_obj)
except oslo_db_exception.DBReferenceError:
raise n_exc.NetworkQosBindingNotFound(net_id=network_id,
policy_id=policy_id)
def delete_policy_network_binding(context, policy_id, network_id):
try:
with context.session.begin(subtransactions=True):
db_object = (db.model_query(context,
models.QosNetworkPolicyBinding)
.filter_by(policy_id=policy_id,
network_id=network_id).one())
context.session.delete(db_object)
except orm_exc.NoResultFound:
raise n_exc.NetworkQosBindingNotFound(net_id=network_id,
policy_id=policy_id)
def detach_network(self, network_id):
deleted = binding.QosPolicyNetworkBinding.delete_objects(
self.obj_context, network_id=network_id)
if not deleted:
raise exceptions.NetworkQosBindingNotFound(net_id=network_id,
policy_id=self.id)