Public bug reported:
I've seen this error a couple of times in downstream testing, but looks
like it could be just as broken upstream:
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server
[req-a1152197-d8b1-4e34-ae63-8a94fd69ebcd faf66db1b6de4c56a9925b9e5aa3369d
c977198dffa24e6f8e9e8c8c4cf3211c - - -] Exception during message handling:
TypeError: 'NoneType' object has no attribute '__getitem__'
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server Traceback (most
recent call last):
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 160, in
_process_incoming
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server res =
self.dispatcher.dispatch(message)
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 213,
in dispatch
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server return
self._do_dispatch(endpoint, method, ctxt, args)
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 183,
in _do_dispatch
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server result =
func(ctxt, **new_args)
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 153, in wrapper
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server return
f(*args, **kwargs)
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 153, in wrapper
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server return
f(*args, **kwargs)
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/neutron/agent/l3/agent.py", line 446, in
network_update
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server if
any(port_belongs(p) for p in ports):
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/neutron/agent/l3/agent.py", line 446, in
<genexpr>
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server if
any(port_belongs(p) for p in ports):
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/neutron/agent/l3/agent.py", line 445, in
<lambda>
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server port_belongs
= lambda p: p['network_id'] == network_id
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server TypeError:
'NoneType' object has no attribute '__getitem__'
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server
Since ri.ex_gw_port can be None, that can cause an exception when
looking for ports we might have in that network. Here's an example if
the port is None:
ports = itertools.chain(ri.internal_ports, [ri.ex_gw_port])
>>> import itertools
>>> foo = itertools.chain([], [None])
>>> port_belongs = lambda p: p['network_id'] == network_id
>>> any(port_belongs(p) for p in foo)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 1, in <genexpr>
File "<stdin>", line 1, in <lambda>
TypeError: 'NoneType' object has no attribute '__getitem__'
We need to check if it's None and use [] instead.
** Affects: neutron
Importance: Medium
Assignee: Brian Haley (brian-haley)
Status: In Progress
** Tags: l3-ipam-dhcp
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https://bugs.launchpad.net/bugs/1724043
Title:
l3-agent network_update() can throw an excetion if router ex_gw_port
is None
Status in neutron:
In Progress
Bug description:
I've seen this error a couple of times in downstream testing, but
looks like it could be just as broken upstream:
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server
[req-a1152197-d8b1-4e34-ae63-8a94fd69ebcd faf66db1b6de4c56a9925b9e5aa3369d
c977198dffa24e6f8e9e8c8c4cf3211c - - -] Exception during message handling:
TypeError: 'NoneType' object has no attribute '__getitem__'
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server Traceback
(most recent call last):
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 160, in
_process_incoming
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server res =
self.dispatcher.dispatch(message)
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 213,
in dispatch
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server return
self._do_dispatch(endpoint, method, ctxt, args)
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 183,
in _do_dispatch
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server result =
func(ctxt, **new_args)
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 153, in wrapper
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server return
f(*args, **kwargs)
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 153, in wrapper
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server return
f(*args, **kwargs)
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/neutron/agent/l3/agent.py", line 446, in
network_update
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server if
any(port_belongs(p) for p in ports):
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/neutron/agent/l3/agent.py", line 446, in
<genexpr>
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server if
any(port_belongs(p) for p in ports):
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server File
"/usr/lib/python2.7/site-packages/neutron/agent/l3/agent.py", line 445, in
<lambda>
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server
port_belongs = lambda p: p['network_id'] == network_id
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server TypeError:
'NoneType' object has no attribute '__getitem__'
2017-10-09 18:36:29.507 126916 ERROR oslo_messaging.rpc.server
Since ri.ex_gw_port can be None, that can cause an exception when
looking for ports we might have in that network. Here's an example if
the port is None:
ports = itertools.chain(ri.internal_ports, [ri.ex_gw_port])
>>> import itertools
>>> foo = itertools.chain([], [None])
>>> port_belongs = lambda p: p['network_id'] == network_id
>>> any(port_belongs(p) for p in foo)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 1, in <genexpr>
File "<stdin>", line 1, in <lambda>
TypeError: 'NoneType' object has no attribute '__getitem__'
We need to check if it's None and use [] instead.
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