def create_port_pair_group(self, context, port_pair_group):
"""Create a port pair group."""
pg = port_pair_group['port_pair_group']
project_id = pg['project_id']
with db_api.context_manager.writer.using(context):
portpairs_list = [self._get_port_pair(context, pp_id)
for pp_id in pg['port_pairs']]
self._validate_pps_in_ppg(portpairs_list)
if pg['tap_enabled'] and len(portpairs_list) > 1:
raise ext_tap.MultiplePortPairsInTapPPGNotSupported()
port_pair_group_parameters = {
key: PortPairGroupParam(
keyword=key, value=jsonutils.dumps(val))
for key, val in
pg['port_pair_group_parameters'].items()
}
assigned_group_ids = {}
query = context.session.query(PortPairGroup)
for port_pair_group_db in query.all():
assigned_group_ids[port_pair_group_db['group_id']] = (
port_pair_group_db['id']
)
group_id = 0
available_group_id = 1
while True:
if available_group_id not in assigned_group_ids:
group_id = available_group_id
break
available_group_id += 1
port_pair_group_db = PortPairGroup(
id=uuidutils.generate_uuid(),
name=pg['name'],
description=pg['description'],
project_id=project_id,
port_pairs=portpairs_list,
port_pair_group_parameters=port_pair_group_parameters,
group_id=group_id,
tap_enabled=pg['tap_enabled']
)
context.session.add(port_pair_group_db)
return self._make_port_pair_group_dict(port_pair_group_db)
def update_port_pair_group(self, context, id, port_pair_group):
new_pg = port_pair_group['port_pair_group']
with db_api.context_manager.writer.using(context):
portpairs_list = [self._get_port_pair(context, pp_id)
for pp_id in new_pg.get('port_pairs', [])]
self._validate_pps_in_ppg(portpairs_list, id)
old_pg = self._get_port_pair_group(context, id)
if old_pg['tap_enabled'] and len(portpairs_list) > 1:
raise ext_tap.MultiplePortPairsInTapPPGNotSupported()
for k, v in new_pg.items():
if k == 'port_pairs':
port_pairs = [
self._get_port_pair(context, pp_id)
for pp_id in v
]
old_pg.port_pairs = port_pairs
else:
old_pg[k] = v
return self._make_port_pair_group_dict(old_pg)