Public bug reported: after create_dhcp_port [1], the port would not be put into cache , so if we update the dhcp port [2], there would be a NoneType error. as showed below:
2016-02-17 18:10:53.121 60074 ERROR oslo_messaging.rpc.dispatcher [req-0e99287a-7a91-46e2-9c36-d8ecb096de58 ] Exception during message handling: 'NoneType' object has no attribute '__getitem__' 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher Traceback (most recent call last): 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher executor_callback)) 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher executor_callback) 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 130, in _do_dispatch 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher result = func(ctxt, **new_args) 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/site-packages/oslo_concurrency/lockutils.py", line 445, in inner 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher return f(*args, **kwargs) 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/site-packages/neutron/agent/dhcp/agent.py", line 331, in port_update_end 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher old_ips = {i['ip_address'] for i in orig['fixed_ips'] or []} 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher TypeError: 'NoneType' object has no attribute '__getitem__' 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher [1] https://github.com/openstack/neutron/blob/master/neutron/agent/dhcp/agent.py#L449 [2] https://github.com/openstack/neutron/blob/master/neutron/agent/dhcp/agent.py#L332 in neutron.conf: dhcp_agents_per_network = 1 the bug can be reproduce as below steps: 1. create network1 2. create subnet1(10.0.0.0/24), enable dhcp, then would create a dhcp port such as 10.0.0.2, 3. delete the dhcp port 10.0.0.2 4. delete the dhcp agent such as DhcpAgent1 5. re-added network1 to the dhcp agent1, then would be a new port 10.0.0.3 6. update the new port from 10.0.0.3 to 10.0.0.2 then there would be an error.. ** Affects: neutron Importance: Undecided Assignee: magic0704 (wbaoping0704) Status: New ** Changed in: neutron Assignee: (unassigned) => magic0704 (wbaoping0704) -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to neutron. https://bugs.launchpad.net/bugs/1546462 Title: can not reload dnsmasq after update dhcp port Status in neutron: New Bug description: after create_dhcp_port [1], the port would not be put into cache , so if we update the dhcp port [2], there would be a NoneType error. as showed below: 2016-02-17 18:10:53.121 60074 ERROR oslo_messaging.rpc.dispatcher [req-0e99287a-7a91-46e2-9c36-d8ecb096de58 ] Exception during message handling: 'NoneType' object has no attribute '__getitem__' 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher Traceback (most recent call last): 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _dispatch_and_reply 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher executor_callback)) 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher executor_callback) 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 130, in _do_dispatch 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher result = func(ctxt, **new_args) 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/site-packages/oslo_concurrency/lockutils.py", line 445, in inner 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher return f(*args, **kwargs) 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/site-packages/neutron/agent/dhcp/agent.py", line 331, in port_update_end 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher old_ips = {i['ip_address'] for i in orig['fixed_ips'] or []} 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher TypeError: 'NoneType' object has no attribute '__getitem__' 2016-02-17 18:10:53.121 60074 TRACE oslo_messaging.rpc.dispatcher [1] https://github.com/openstack/neutron/blob/master/neutron/agent/dhcp/agent.py#L449 [2] https://github.com/openstack/neutron/blob/master/neutron/agent/dhcp/agent.py#L332 in neutron.conf: dhcp_agents_per_network = 1 the bug can be reproduce as below steps: 1. create network1 2. create subnet1(10.0.0.0/24), enable dhcp, then would create a dhcp port such as 10.0.0.2, 3. delete the dhcp port 10.0.0.2 4. delete the dhcp agent such as DhcpAgent1 5. re-added network1 to the dhcp agent1, then would be a new port 10.0.0.3 6. update the new port from 10.0.0.3 to 10.0.0.2 then there would be an error.. 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