Public bug reported:
On my single-node devstack setup running the latest neutron code, there
is one AgentNotFoundByTypeHost exception found for the L3-agent.
However, the AgentNotFoundByTypeHost exception is not logged for the
DHCP, OVS, or metadata agents. This fact would point to a problem with
how the L3-agent is starting up.
Exception found in the L3-agent log:
2015-05-19 11:27:57.490 23948 DEBUG oslo_messaging._drivers.amqpdriver [-]
MSG_ID is 1d0f3e0a8a6744c9a9fc43eb3fdc5153 _send
/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:311^M
2015-05-19 11:27:57.550 23948 ERROR neutron.agent.l3.agent [-] Failed
synchronizing routers due to RPC error^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent Traceback (most
recent call last):^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 517, in
fetch_and_sync_all_routers^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent routers =
self.plugin_rpc.get_routers(context)^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 91, in get_routers^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent
router_ids=router_ids)^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/client.py", line
156, in call^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent
retry=self.retry)^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/transport.py", line 90,
in _send^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent timeout=timeout,
retry=retry)^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py",
line 350, in send^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent retry=retry)^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py",
line 341, in _send^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent raise result^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent RemoteError: Remote
error: AgentNotFoundByTypeHost Agent with agent_type=L3 agent and
host=DVR-Ctrl2 could not be found^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent [u'Traceback (most
recent call last):\n', u' File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
142, in _dispatch_and_reply\n executor_callback))\n', u' File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
186, in _dispatch\n executor_callback)\n', u' File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
130, in _do_dispatch\n result = func(ctxt, **new_args)\n', u' File
"/opt/stack/neutron/neutron/api/rpc/handlers/l3_rpc.py", line 81, in
sync_routers\n context, host, router_ids))\n', u' File
"/opt/stack/neutron/neutron/db/l3_agentschedulers_db.py", line 290, in
list_active_sync_routers_on_active_l3_agent\n context,
constants.AGENT_TYPE_L3, host)\n', u' File
"/opt/stack/neutron/neutron/db/agents_db.py", line 197, in
_get_agent_by_type_and_host\n host=host)\n', u'AgentNotFoundByTypeHost:
Agent with agent_type
=L3 agent and host=DVR-Ctrl2 could not be found\n'].^M
** Affects: neutron
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1456822
Title:
AgentNotFoundByTypeHost exception logged when L3-agent starts up
Status in OpenStack Neutron (virtual network service):
New
Bug description:
On my single-node devstack setup running the latest neutron code,
there is one AgentNotFoundByTypeHost exception found for the L3-agent.
However, the AgentNotFoundByTypeHost exception is not logged for the
DHCP, OVS, or metadata agents. This fact would point to a problem
with how the L3-agent is starting up.
Exception found in the L3-agent log:
2015-05-19 11:27:57.490 23948 DEBUG oslo_messaging._drivers.amqpdriver [-]
MSG_ID is 1d0f3e0a8a6744c9a9fc43eb3fdc5153 _send
/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:311^M
2015-05-19 11:27:57.550 23948 ERROR neutron.agent.l3.agent [-] Failed
synchronizing routers due to RPC error^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent Traceback (most
recent call last):^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 517, in
fetch_and_sync_all_routers^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent routers =
self.plugin_rpc.get_routers(context)^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/opt/stack/neutron/neutron/agent/l3/agent.py", line 91, in get_routers^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent
router_ids=router_ids)^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/client.py", line
156, in call^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent
retry=self.retry)^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/transport.py", line 90,
in _send^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent
timeout=timeout, retry=retry)^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py",
line 350, in send^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent retry=retry)^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py",
line 341, in _send^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent raise result^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent RemoteError:
Remote error: AgentNotFoundByTypeHost Agent with agent_type=L3 agent and
host=DVR-Ctrl2 could not be found^M
2015-05-19 11:27:57.550 23948 TRACE neutron.agent.l3.agent [u'Traceback (most
recent call last):\n', u' File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
142, in _dispatch_and_reply\n executor_callback))\n', u' File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
186, in _dispatch\n executor_callback)\n', u' File
"/usr/local/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line
130, in _do_dispatch\n result = func(ctxt, **new_args)\n', u' File
"/opt/stack/neutron/neutron/api/rpc/handlers/l3_rpc.py", line 81, in
sync_routers\n context, host, router_ids))\n', u' File
"/opt/stack/neutron/neutron/db/l3_agentschedulers_db.py", line 290, in
list_active_sync_routers_on_active_l3_agent\n context,
constants.AGENT_TYPE_L3, host)\n', u' File
"/opt/stack/neutron/neutron/db/agents_db.py", line 197, in
_get_agent_by_type_and_host\n host=host)\n', u'AgentNotFoundByTypeHost:
Agent with agent_ty
pe=L3 agent and host=DVR-Ctrl2 could not be found\n'].^M
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