def create_l7policy(self, context, l7policy):
if (l7policy.get('redirect_pool_id') and l7policy['redirect_pool_id']
== n_const.ATTR_NOT_SPECIFIED):
l7policy['redirect_pool_id'] = None
if not l7policy.get('position'):
l7policy['position'] = 2147483647
self._validate_l7policy_data(context, l7policy)
with context.session.begin(subtransactions=True):
listener_id = l7policy.get('listener_id')
listener_db = self._get_resource(context, models.Listener,
listener_id)
if not listener_db:
raise loadbalancerv2.EntityNotFound(name=models.Listener.NAME,
id=listener_id)
self._load_id(context, l7policy)
l7policy['provisioning_status'] = constants.PENDING_CREATE
l7policy_db = models.L7Policy(**l7policy)
# MySQL int fields are by default 32-bit whereas handy system
# constants like sys.maxsize are 64-bit on most platforms today.
# Hence the reason this is 2147483647 (2^31 - 1) instead of an
# elsewhere-defined constant.
if l7policy['position'] == 2147483647:
listener_db.l7_policies.append(l7policy_db)
else:
listener_db.l7_policies.insert(l7policy['position'] - 1,
l7policy_db)
listener_db.l7_policies.reorder()
return data_models.L7Policy.from_sqlalchemy_model(l7policy_db)
def update_l7policy(self, context, id, l7policy):
with context.session.begin(subtransactions=True):
l7policy_db = self._get_resource(context, models.L7Policy, id)
if 'action' in l7policy:
l7policy['listener_id'] = l7policy_db.listener_id
self._validate_l7policy_data(context, l7policy)
if ('position' not in l7policy or
l7policy['position'] == 2147483647 or
l7policy_db.position == l7policy['position']):
l7policy_db.update(l7policy)
else:
listener_id = l7policy_db.listener_id
listener_db = self._get_resource(
context, models.Listener, listener_id)
l7policy_db = listener_db.l7_policies.pop(
l7policy_db.position - 1)
# NOTE(ihrachys) create a new policy model because the one just
# popped off the list became expired thanks to neutron db code
# that automatically expires relationships when foreign keys
# become obsolete
l7policy_db = models.L7Policy(**dict(l7policy_db))
l7policy_db.update(l7policy)
listener_db.l7_policies.insert(l7policy['position'] - 1,
l7policy_db)
listener_db.l7_policies.reorder()
context.session.refresh(l7policy_db)
return data_models.L7Policy.from_sqlalchemy_model(l7policy_db)