def _validate_port_pair_groups(self, context, pg_ids):
with context.session.begin(subtransactions=True):
query = self._model_query(context, PortChain)
for port_chain_db in query.all():
pc_pg_ids = [
assoc['portpairgroup_id']
for assoc in port_chain_db.chain_group_associations
]
if pc_pg_ids == pg_ids:
raise ext_sfc.InvalidPortPairGroups(
port_pair_groups=pg_ids, port_chain=port_chain_db.id)
def _validate_port_pair_groups(self, context, pg_ids, pc_id=None):
with db_api.context_manager.reader.using(context):
for pg_id in pg_ids:
self._get_port_pair_group(context, pg_id)
query = self._model_query(context, PortChain)
for port_chain_db in query.all():
if port_chain_db['id'] == pc_id:
continue
pc_pg_ids = [
assoc['portpairgroup_id']
for assoc in port_chain_db.chain_group_associations
]
if pc_pg_ids and pg_ids and pc_pg_ids == pg_ids:
raise ext_sfc.InvalidPortPairGroups(
port_pair_groups=pg_ids, port_chain=port_chain_db.id)
def _validate_port_pair_groups(self, context, pg_ids, pc_id=None):
with db_api.CONTEXT_READER.using(context):
prev_pg_tap_enabled = False
for pg_id in pg_ids:
pg = self._get_port_pair_group(context, pg_id)
curr_pg_tap_enabled = pg['tap_enabled']
if prev_pg_tap_enabled and curr_pg_tap_enabled:
raise ext_tap.ConsecutiveTapPPGNotSupported()
prev_pg_tap_enabled = curr_pg_tap_enabled
query = model_query.query_with_hooks(context, PortChain)
for port_chain_db in query.all():
if port_chain_db['id'] == pc_id:
continue
pc_pg_ids = [
assoc['portpairgroup_id']
for assoc in port_chain_db.chain_group_associations
]
if pc_pg_ids and pg_ids and pc_pg_ids == pg_ids:
raise ext_sfc.InvalidPortPairGroups(
port_pair_groups=pg_ids, port_chain=port_chain_db.id)
