Public bug reported: I keep seeing these two tests fail:
http://logs.openstack.org/05/606205/2/check/neutron- functional/66c9475/logs/testr_results.html.gz Example stack trace: Traceback (most recent call last): File "neutron/tests/base.py", line 137, in func return f(self, *args, **kwargs) File "neutron/tests/functional/agent/l3/test_legacy_router.py", line 85, in test_legacy_router_lifecycle self._router_lifecycle(enable_ha=False, dual_stack=True) File "neutron/tests/functional/agent/l3/framework.py", line 302, in _router_lifecycle self._assert_onlink_subnet_routes(router, ip_versions) File "neutron/tests/functional/agent/l3/framework.py", line 526, in _assert_onlink_subnet_routes namespace=ns_name) File "neutron/agent/linux/ip_lib.py", line 1030, in get_routing_table return list(privileged.get_routing_table(ip_version, namespace)) File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/priv_context.py", line 207, in _wrap return self.channel.remote_call(name, args, kwargs) File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/daemon.py", line 202, in remote_call raise exc_type(*result[2]) KeyError I think the problem is that in the privsep get_routing_table code, one of the IPv6 routes does not have an integer in the route['oif'] element, it is None, raising the KeyError. For example, here is a list of IPv6 routes on my local system: --> ip -6 r 2601:18f:700:c12d::/64 dev enp0s31f6 proto ra metric 100 pref medium fe80::/64 dev enp0s31f6 proto kernel metric 256 pref medium fe80::/64 dev tun0 proto kernel metric 256 pref medium default via fe80::9ade:d0ff:fe25:7710 dev enp0s31f6 proto static metric 100 pref medium But a little test program I wrote shows iproute2 returns no 'oif': dst: fe80::/64 gateway: None oif: None Traceback (most recent call last): File "<stdin>", line 1, in <module> File "./getroute.py", line 78, in foo routes = list(get_routing_table(6)) File "./getroute.py", line 50, in get_routing_table print 'interface: %s' % ipdb_interfaces[route['oif']]['ifname'] KeyError: None Digging further, since there are two routes to fe80::/64, it's returned differently from pyroute2: {'metrics': {}, 'dst_len': 64, 'family': 10, 'proto': 2, 'tos': 0, 'dst': 'fe80::/64', 'pref': '00', 'ipdb_priority': 0, 'priority': 256, 'flags': 0, 'encap': {}, 'src_len': 0, 'table': 254, 'multipath': ({'oif': 2, 'family': 10}, {'oif': 6, 'dst_len': 64, 'family': 10, 'proto': 2, 'tos': 0, 'pref': '00', 'priority': 256, 'flags': 0, 'encap': {}, 'src_len': 0, 'table': 254, 'type': 1, 'scope': 0}), 'type': 1, 'scope': 0, 'ipdb_scope': 'system'} So it looks like we need to parse this 'multipath' element, but there are two items in the list, so we have to parse them both. ** Affects: neutron Importance: High Assignee: Brian Haley (brian-haley) Status: New -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to neutron. https://bugs.launchpad.net/bugs/1795548 Title: neutron.tests.functional.agent.l3.test_legacy_router.L3AgentTestCase.test_legacy_router_lifecycle* fail Status in neutron: New Bug description: I keep seeing these two tests fail: http://logs.openstack.org/05/606205/2/check/neutron- functional/66c9475/logs/testr_results.html.gz Example stack trace: Traceback (most recent call last): File "neutron/tests/base.py", line 137, in func return f(self, *args, **kwargs) File "neutron/tests/functional/agent/l3/test_legacy_router.py", line 85, in test_legacy_router_lifecycle self._router_lifecycle(enable_ha=False, dual_stack=True) File "neutron/tests/functional/agent/l3/framework.py", line 302, in _router_lifecycle self._assert_onlink_subnet_routes(router, ip_versions) File "neutron/tests/functional/agent/l3/framework.py", line 526, in _assert_onlink_subnet_routes namespace=ns_name) File "neutron/agent/linux/ip_lib.py", line 1030, in get_routing_table return list(privileged.get_routing_table(ip_version, namespace)) File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/priv_context.py", line 207, in _wrap return self.channel.remote_call(name, args, kwargs) File "/opt/stack/new/neutron/.tox/dsvm-functional/local/lib/python2.7/site-packages/oslo_privsep/daemon.py", line 202, in remote_call raise exc_type(*result[2]) KeyError I think the problem is that in the privsep get_routing_table code, one of the IPv6 routes does not have an integer in the route['oif'] element, it is None, raising the KeyError. For example, here is a list of IPv6 routes on my local system: --> ip -6 r 2601:18f:700:c12d::/64 dev enp0s31f6 proto ra metric 100 pref medium fe80::/64 dev enp0s31f6 proto kernel metric 256 pref medium fe80::/64 dev tun0 proto kernel metric 256 pref medium default via fe80::9ade:d0ff:fe25:7710 dev enp0s31f6 proto static metric 100 pref medium But a little test program I wrote shows iproute2 returns no 'oif': dst: fe80::/64 gateway: None oif: None Traceback (most recent call last): File "<stdin>", line 1, in <module> File "./getroute.py", line 78, in foo routes = list(get_routing_table(6)) File "./getroute.py", line 50, in get_routing_table print 'interface: %s' % ipdb_interfaces[route['oif']]['ifname'] KeyError: None Digging further, since there are two routes to fe80::/64, it's returned differently from pyroute2: {'metrics': {}, 'dst_len': 64, 'family': 10, 'proto': 2, 'tos': 0, 'dst': 'fe80::/64', 'pref': '00', 'ipdb_priority': 0, 'priority': 256, 'flags': 0, 'encap': {}, 'src_len': 0, 'table': 254, 'multipath': ({'oif': 2, 'family': 10}, {'oif': 6, 'dst_len': 64, 'family': 10, 'proto': 2, 'tos': 0, 'pref': '00', 'priority': 256, 'flags': 0, 'encap': {}, 'src_len': 0, 'table': 254, 'type': 1, 'scope': 0}), 'type': 1, 'scope': 0, 'ipdb_scope': 'system'} So it looks like we need to parse this 'multipath' element, but there are two items in the list, so we have to parse them both. 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