def _update_subnet_service_types(self, context, subnet_id, s):
old_types = context.session.query(
sst_model.SubnetServiceType).filter_by(subnet_id=subnet_id)
for service_type in old_types:
context.session.delete(service_type)
updated_types = s.pop('service_types')
for service_type in updated_types:
new_type = sst_model.SubnetServiceType(subnet_id=subnet_id,
service_type=service_type)
context.session.add(new_type)
return updated_types
def _save_subnet(self, context,
network,
subnet_args,
dns_nameservers,
host_routes,
subnet_request):
self._validate_subnet_cidr(context, network, subnet_args['cidr'])
self._validate_network_subnetpools(network,
subnet_args['subnetpool_id'],
subnet_args['ip_version'])
service_types = subnet_args.pop('service_types', [])
subnet = models_v2.Subnet(**subnet_args)
segment_id = subnet_args.get('segment_id')
try:
context.session.add(subnet)
context.session.flush()
except db_exc.DBReferenceError:
raise segment_exc.SegmentNotFound(segment_id=segment_id)
self._validate_segment(context, network['id'], segment_id)
# NOTE(changzhi) Store DNS nameservers with order into DB one
# by one when create subnet with DNS nameservers
if validators.is_attr_set(dns_nameservers):
for order, server in enumerate(dns_nameservers):
dns = subnet_obj.DNSNameServer(context,
address=server,
order=order,
subnet_id=subnet.id)
dns.create()
if validators.is_attr_set(host_routes):
for rt in host_routes:
route = subnet_obj.Route(
context,
subnet_id=subnet.id,
destination=common_utils.AuthenticIPNetwork(
rt['destination']),
nexthop=netaddr.IPAddress(rt['nexthop']))
route.create()
if validators.is_attr_set(service_types):
for service_type in service_types:
service_type_entry = sst_model.SubnetServiceType(
subnet_id=subnet.id,
service_type=service_type)
context.session.add(service_type_entry)
self.save_allocation_pools(context, subnet,
subnet_request.allocation_pools)
return subnet
