Public bug reported:
L3 agent fails when RabbitMQ/Neutron-rpc-server not responding :
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task Traceback
(most recent call last):
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task File
"/usr/lib/python3/dist-packages/oslo_service/periodic_task.py", line 220, in
run_periodic_tasks
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task task(self,
context)
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task File
"/usr/lib/python3/dist-packages/neutron/agent/l3/agent.py", line 604, in
periodic_sync_routers_task
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task
self.fetch_and_sync_all_routers(context, ns_manager)
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task File
"/usr/lib/python3/dist-packages/osprofiler/profiler.py", line 153, in wrapper
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task return
f(*args, **kwargs)
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task File
"/usr/lib/python3/dist-packages/osprofiler/profiler.py", line 153, in wrapper
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task return
f(*args, **kwargs)
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task File
"/usr/lib/python3/dist-packages/neutron/agent/l3/agent.py", line 620, in
fetch_and_sync_all_routers
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task for i in
range(0, len(router_ids), self.sync_routers_chunk_size):
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task TypeError:
'float' object cannot be interpreted as an integer
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task
Problem is in neutron/agent/l3/agent.py when py3 is used in code of
block where "range" is used :
757 for i in range(0, len(router_ids), self.sync_routers_chunk_size):
758 chunk = router_ids[i:i + self.sync_routers_chunk_size]
This can be fixed by this patch >>
--- neutron/agent/l3/agent.py (revision
b09b8868e93aea437055c041148ccbd095c5c249)
+++ neutron/agent/l3/agent.py (date 1541680223000)
@@ -702,7 +702,7 @@
except oslo_messaging.MessagingTimeout:
if self.sync_routers_chunk_size > SYNC_ROUTERS_MIN_CHUNK_SIZE:
self.sync_routers_chunk_size = max(
- self.sync_routers_chunk_size / 2,
+ int(self.sync_routers_chunk_size / 2),
SYNC_ROUTERS_MIN_CHUNK_SIZE)
LOG.error('Server failed to return info for routers in '
'required time, decreasing chunk size to: %s',
** Affects: neutron
Importance: Undecided
Assignee: Michal Arbet (michalarbet)
Status: New
** Changed in: neutron
Assignee: (unassigned) => Michal Arbet (michalarbet)
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https://bugs.launchpad.net/bugs/1824334
Title:
L3 agent fails when RabbitMQ/Neutron-rpc-server not responding
Status in neutron:
New
Bug description:
L3 agent fails when RabbitMQ/Neutron-rpc-server not responding :
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task Traceback
(most recent call last):
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task File
"/usr/lib/python3/dist-packages/oslo_service/periodic_task.py", line 220, in
run_periodic_tasks
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task task(self,
context)
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task File
"/usr/lib/python3/dist-packages/neutron/agent/l3/agent.py", line 604, in
periodic_sync_routers_task
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task
self.fetch_and_sync_all_routers(context, ns_manager)
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task File
"/usr/lib/python3/dist-packages/osprofiler/profiler.py", line 153, in wrapper
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task return
f(*args, **kwargs)
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task File
"/usr/lib/python3/dist-packages/osprofiler/profiler.py", line 153, in wrapper
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task return
f(*args, **kwargs)
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task File
"/usr/lib/python3/dist-packages/neutron/agent/l3/agent.py", line 620, in
fetch_and_sync_all_routers
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task for i in
range(0, len(router_ids), self.sync_routers_chunk_size):
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task TypeError:
'float' object cannot be interpreted as an integer
2018-11-07 16:40:26.247 2961332 ERROR oslo_service.periodic_task
Problem is in neutron/agent/l3/agent.py when py3 is used in code of
block where "range" is used :
757 for i in range(0, len(router_ids), self.sync_routers_chunk_size):
758 chunk = router_ids[i:i + self.sync_routers_chunk_size]
This can be fixed by this patch >>
--- neutron/agent/l3/agent.py (revision
b09b8868e93aea437055c041148ccbd095c5c249)
+++ neutron/agent/l3/agent.py (date 1541680223000)
@@ -702,7 +702,7 @@
except oslo_messaging.MessagingTimeout:
if self.sync_routers_chunk_size > SYNC_ROUTERS_MIN_CHUNK_SIZE:
self.sync_routers_chunk_size = max(
- self.sync_routers_chunk_size / 2,
+ int(self.sync_routers_chunk_size / 2),
SYNC_ROUTERS_MIN_CHUNK_SIZE)
LOG.error('Server failed to return info for routers in '
'required time, decreasing chunk size to: %s',
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