openstack/neutron
Code Issues Proposed changes

Prevent LBaaS VRRP ports from populating DVR router ARP table

Browse Source 
Prevents the MAC address of the VIP address of an LBaaS or
LBaaSv2 instance from populating in the DVR router ARP table

Change-Id: If49aaa48a5e95ccd0a236db984d3984a6e44c87c
Closes-Bug: 1733852
This commit is contained in:
Daniel Russell 2017-11-29 15:27:06 +11:00
parent 921cfa9cdb
commit af73882a9d
2 changed files with 15 additions and 1 deletions
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5
neutron/agent/l3/dvr_local_router.py
View File

@ -274,9 +274,12 @@ class DvrLocalRouter(dvr_router_base.DvrRouterBase):
# TODO(Carl) Can we eliminate the need to make this RPC while
# processing a router.
subnet_ports = self.agent.get_ports_by_subnet(subnet_id)
ignored_device_owners = (
lib_constants.ROUTER_INTERFACE_OWNERS +
tuple(common_utils.get_dvr_allowed_address_pair_device_owners()))
for p in subnet_ports:
if p['device_owner'] not in lib_constants.ROUTER_INTERFACE_OWNERS:
if p['device_owner'] not in ignored_device_owners:
for fixed_ip in p['fixed_ips']:
self._update_arp_entry(fixed_ip['ip_address'],
p['mac_address'],

11
neutron/tests/unit/agent/l3/test_dvr_local_router.py
View File

@ -496,6 +496,17 @@ class TestDvrRouterOperations(base.BaseTestCase):
test_ports = [{'mac_address': '00:11:22:33:44:55',
'device_owner': lib_constants.DEVICE_OWNER_DHCP,
'fixed_ips': [{'ip_address': '1.2.3.4',
'prefixlen': 24,
'subnet_id': subnet_id}]},
{'mac_address': '11:22:33:44:55:66',
'device_owner': lib_constants.DEVICE_OWNER_LOADBALANCER,
'fixed_ips': [{'ip_address': '1.2.3.5',
'prefixlen': 24,
'subnet_id': subnet_id}]},
{'mac_address': '22:33:44:55:66:77',
'device_owner':
lib_constants.DEVICE_OWNER_LOADBALANCERV2,
'fixed_ips': [{'ip_address': '1.2.3.6',
'prefixlen': 24,
'subnet_id': subnet_id}]}]