def add_auto_addrs_on_network_ports(self, context, subnet, ipam_subnet):
"""For an auto-address subnet, add addrs for ports on the net."""
# TODO(ataraday): switched for writer when flush_on_subtransaction
# will be available for neutron
with context.session.begin(subtransactions=True):
network_id = subnet['network_id']
ports = port_obj.Port.get_objects(
context,
network_id=network_id,
device_owner=obj_utils.NotIn(
constants.ROUTER_INTERFACE_OWNERS_SNAT))
updated_ports = []
ipam_driver = driver.Pool.get_instance(None, context)
factory = ipam_driver.get_address_request_factory()
for port in ports:
ip = {
'subnet_id': subnet['id'],
'subnet_cidr': subnet['cidr'],
'eui64_address': True,
'mac': port.mac_address
}
ip_request = factory.get_request(context, port, ip)
try:
ip_address = ipam_subnet.allocate(ip_request)
allocated = port_obj.IPAllocation(context,
network_id=network_id,
port_id=port.id,
ip_address=ip_address,
subnet_id=subnet['id'])
# Do the insertion of each IP allocation entry within
# the context of a nested transaction, so that the entry
# is rolled back independently of other entries whenever
# the corresponding port has been deleted; since OVO
# already opens a nested transaction, we don't need to do
# it explicitly here.
allocated.create()
updated_ports.append(port.id)
except db_exc.DBReferenceError:
LOG.debug(
"Port %s was deleted while updating it with an "
"IPv6 auto-address. Ignoring.", port.id)
LOG.debug("Reverting IP allocation for %s", ip_address)
# Do not fail if reverting allocation was unsuccessful
try:
ipam_subnet.deallocate(ip_address)
except Exception:
LOG.debug("Reverting IP allocation failed for %s",
ip_address)
except ipam_exc.IpAddressAlreadyAllocated:
LOG.debug(
"Port %s got IPv6 auto-address in a concurrent "
"create or update port request. Ignoring.", port.id)
return updated_ports
def test_get_objects_with_filters_not_in(self):
class FakeColumn(object):
def __init__(self, column):
self.column = column
def in_(self, value):
self.value = value
return self
def __invert__(self):
return list(set(self.column) - set(self.value))
filter_obj = obj_utils.NotIn([1, 2, 3])
fake_column = FakeColumn([1, 2, 4, 5])
self.assertEqual([4, 5], sorted(filter_obj.filter(fake_column)))
fake_column = FakeColumn([1, 2])
self.assertEqual([], filter_obj.filter(fake_column))
fake_column = FakeColumn([4, 5])
self.assertEqual([4, 5], sorted(filter_obj.filter(fake_column)))
def add_auto_addrs_on_network_ports(self, context, subnet, ipam_subnet):
"""For an auto-address subnet, add addrs for ports on the net."""
network_id = subnet['network_id']
with db_api.CONTEXT_READER.using(context):
ports = port_obj.Port.get_objects(
context, network_id=network_id,
device_owner=obj_utils.NotIn(
constants.ROUTER_INTERFACE_OWNERS_SNAT))
updated_ports = []
ipam_driver = driver.Pool.get_instance(None, context)
factory = ipam_driver.get_address_request_factory()
for port in ports:
# Find candidate subnets based on host_id and existing
# fixed_ips. This will filter subnets on other segments. Only
# allocate if this subnet is a valid candidate.
p = self._make_port_dict(port)
fixed_configured = (p['fixed_ips'] is not
constants.ATTR_NOT_SPECIFIED)
with db_api.CONTEXT_READER.using(context):
subnet_candidates = obj_subnet.Subnet.find_candidate_subnets(
context,
network_id,
p.get(portbindings.HOST_ID),
p.get('device_owner'),
fixed_configured,
p.get('fixed_ips'),
distributed_service=self._is_distributed_service(p))
if subnet['id'] not in [s['id'] for s in subnet_candidates]:
continue
ip = {'subnet_id': subnet['id'],
'subnet_cidr': subnet['cidr'],
'eui64_address': True,
'mac': port.mac_address}
ip_request = factory.get_request(context, port, ip)
try:
with db_api.CONTEXT_WRITER.using(context):
ip_address = ipam_subnet.allocate(ip_request)
allocated = port_obj.IPAllocation(
context, network_id=network_id, port_id=port.id,
ip_address=ip_address, subnet_id=subnet['id'])
# Do the insertion of each IP allocation entry within
# the context of a nested transaction, so that the entry
# is rolled back independently of other entries whenever
# the corresponding port has been deleted; since OVO
# already opens a nested transaction, we don't need to do
# it explicitly here.
allocated.create()
updated_ports.append(port.id)
except db_exc.DBReferenceError:
LOG.debug("Port %s was deleted while updating it with an "
"IPv6 auto-address. Ignoring.", port.id)
LOG.debug("Reverting IP allocation for %s", ip_address)
# Do not fail if reverting allocation was unsuccessful
with db_api.CONTEXT_WRITER.using(context):
try:
ipam_subnet.deallocate(ip_address)
except Exception:
LOG.debug("Reverting IP allocation failed for %s",
ip_address)
except ipam_exc.IpAddressAlreadyAllocated:
LOG.debug("Port %s got IPv6 auto-address in a concurrent "
"create or update port request. Ignoring.",
port.id)
return updated_ports