def delete_pool(self, context, id):
# Check if the pool is in use
vip = context.session.query(Vip).filter_by(pool_id=id).first()
if vip:
raise loadbalancer.PoolInUse(pool_id=id)
with context.session.begin(subtransactions=True):
self._delete_pool_stats(context, id)
pool_db = self._get_resource(context, Pool, id)
context.session.delete(pool_db)
def _handle_pool(self, context, pool, delete=False):
vip_id = self.plugin.get_pool(context, pool['id']).get('vip_id', None)
if vip_id:
if delete:
raise loadbalancer.PoolInUse(pool_id=pool['id'])
else:
vip = self.plugin.get_vip(context, vip_id)
ext_vip = self._populate_vip_graph(context, vip)
self._update_workflow(pool['id'], self.l4_action_name, ext_vip,
context, delete, lb_db.Pool, pool['id'])
else:
if delete:
self.plugin._delete_db_pool(context, pool['id'])
else:
# we keep the pool in PENDING_UPDATE
# no point to modify it since it is not connected to vip yet
pass
def _ensure_pool_delete_conditions(self, context, pool_id):
if context.session.query(Vip).filter_by(pool_id=pool_id).first():
raise loadbalancer.PoolInUse(pool_id=pool_id)
def get_exception_inuse(self, id=None):
return loadbalancer.PoolInUse(pool_id=id)
