def create_portgroup(self, values):
if not values.get('uuid'):
values['uuid'] = uuidutils.generate_uuid()
portgroup = models.Portgroup()
portgroup.update(values)
with _session_for_write() as session:
try:
session.add(portgroup)
session.flush()
except db_exc.DBDuplicateEntry as exc:
if 'name' in exc.columns:
raise exception.PortgroupDuplicateName(name=values['name'])
elif 'address' in exc.columns:
raise exception.PortgroupMACAlreadyExists(
mac=values['address'])
raise exception.PortgroupAlreadyExists(uuid=values['uuid'])
return portgroup
def update_portgroup(self, portgroup_id, values):
if 'uuid' in values:
msg = _("Cannot overwrite UUID for an existing portgroup.")
raise exception.InvalidParameterValue(err=msg)
with _session_for_write() as session:
try:
query = model_query(models.Portgroup)
query = add_portgroup_filter(query, portgroup_id)
ref = query.one()
ref.update(values)
session.flush()
except NoResultFound:
raise exception.PortgroupNotFound(portgroup=portgroup_id)
except db_exc.DBDuplicateEntry as exc:
if 'name' in exc.columns:
raise exception.PortgroupDuplicateName(name=values['name'])
elif 'address' in exc.columns:
raise exception.PortgroupMACAlreadyExists(
mac=values['address'])
else:
raise
return ref