** Also affects: neutron/kilo
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1417379
Title:
KeyError returned when subnet-update enable_dhcp to False
Status in neutron:
Fix Released
Status in neutron kilo series:
New
Bug description:
Keyerror outputed in the trace log after set enable_dhcp of subnet to
False.
[reproduce]
neutron net-create test
neutron dhcp-agent-network-add ID_of_DHCP_agent test
neutron subnet-create test 192.168.100.0/24 --name test1
neutron subnet-create test 192.168.101.0/24 --name test2
neutron subnet-update test2 --enable_dhcp False
tailf /opt/stack/logs/q-dhcp.log
[Trace log]
====================
2015-02-14 01:01:08.556 5436 DEBUG neutron.agent.dhcp.agent [-] resync
(536ef879-baf5-405b-8402-303ff5e2e905):
[KeyError(u'37f0b628-22e6-4446-8bb9-2c2176c5a646',)] _periodic_resync_helper
/opt/stack/neutron/neutron/agent/dhcp/agent.py:189
2015-02-14 01:01:08.557 5436 DEBUG oslo_concurrency.lockutils [-] Lock
"dhcp-agent" acquired by "sync_state" :: waited 0.000s inner
/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:430
2015-02-14 01:01:08.558 5436 INFO neutron.agent.dhcp.agent [-] Synchronizing
state
2015-02-14 01:01:08.559 5436 DEBUG oslo_messaging._drivers.amqpdriver [-]
MSG_ID is a0f460425e904cc0b045336351d961d5 _send
/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:378
2015-02-14 01:01:08.559 5436 DEBUG oslo_messaging._drivers.amqp [-] UNIQUE_ID
is d3aff7b1f8744f5b909ef5bc6eded8d2. _add_unique_id
/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqp.py:224
2015-02-14 01:01:08.632 5436 DEBUG neutron.agent.dhcp.agent [-] Calling
driver for network: 536ef879-baf5-405b-8402-303ff5e2e905 action: enable
call_driver /opt/stack/neutron/neutron/agent/dhcp/agent.py:106
2015-02-14 01:01:08.633 5436 DEBUG neutron.agent.linux.utils [-] Unable to
access /opt/stack/data/neutron/dhcp/536ef879-baf5-405b-8402-303ff5e2e905/pid
get_value_from_file /opt/stack/neutron/neutron/agent/linux/utils.py:168
2015-02-14 01:01:08.633 5436 ERROR neutron.agent.dhcp.agent [-] Unable to
enable dhcp for 536ef879-baf5-405b-8402-303ff5e2e905.
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent Traceback (most
recent call last):
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent File
"/opt/stack/neutron/neutron/agent/dhcp/agent.py", line 116, in call_driver
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent
getattr(driver, action)(**action_kwargs)
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent File
"/opt/stack/neutron/neutron/agent/linux/dhcp.py", line 207, in enable
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent
interface_name = self.device_manager.setup(self.network)
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent File
"/opt/stack/neutron/neutron/agent/linux/dhcp.py", line 934, in setup
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent port =
self.setup_dhcp_port(network)
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent File
"/opt/stack/neutron/neutron/agent/linux/dhcp.py", line 924, in setup_dhcp_port
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent for fixed_ip
in dhcp_port.fixed_ips]
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent KeyError:
u'37f0b628-22e6-4446-8bb9-2c2176c5a646'
2015-02-14 01:01:08.633 5436 TRACE neutron.agent.dhcp.agent
2015-02-14 01:01:08.634 5436 INFO neutron.agent.dhcp.agent [-] Synchronizing
state complete
2015-02-14 01:01:08.635 5436 DEBUG oslo_concurrency.lockutils [-] Lock
"dhcp-agent" released by "sync_state" :: held 0.078s inner
/usr/local/lib/python2.7/dist-packages/oslo_concurrency/lockutils.py:442
====================
・All DHCP agents looks fine :-)
・Restart changes nothing. :-(
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