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[Bug 1726370] [NEW] Trace in fetch_and_sync_all_routers

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Public bug reported:

I am seeing below trace fetch_and_sync_all_routers for HA router


2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task [req-19638c71-4ad9-412f-b5d7-dc9cb84eca4f - - - - -] Error during L3NATAgentWithStateReport.periodic_sync_routers_task
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task Traceback (most recent call last):
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/oslo_service/periodic_task.py", line 220, in run_periodic_tasks
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task     task(self, context)
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/neutron/agent/l3/agent.py", line 568, in periodic_sync_routers_task
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task     self.fetch_and_sync_all_routers(context, ns_manager)
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/neutron/agent/l3/agent.py", line 603, in fetch_and_sync_all_routers
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task     r['id'], r.get(l3_constants.HA_ROUTER_STATE_KEY))
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/neutron/agent/l3/ha.py", line 120, in check_ha_state_for_router
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task     if ri and current_state != TRANSLATION_MAP[ri.ha_state]:
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/neutron/agent/l3/ha_router.py", line 81, in ha_state
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task     ha_state_path = self.keepalived_manager.get_full_config_file_path(
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task AttributeError: 'NoneType' object has no attribute 'get_full_config_file_path'
2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task

** Affects: neutron
     Importance: Undecided
     Assignee: venkata anil (anil-venkata)
         Status: New


** Tags: l3-ha

** Changed in: neutron
     Assignee: (unassigned) => venkata anil (anil-venkata)

** Tags added: l3-ha

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https://bugs.launchpad.net/bugs/1726370

Title:
  Trace in fetch_and_sync_all_routers

Status in neutron:
  New

Bug description:
  I am seeing below trace fetch_and_sync_all_routers for HA router

  
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task [req-19638c71-4ad9-412f-b5d7-dc9cb84eca4f - - - - -] Error during L3NATAgentWithStateReport.periodic_sync_routers_task
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task Traceback (most recent call last):
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/oslo_service/periodic_task.py", line 220, in run_periodic_tasks
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task     task(self, context)
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/neutron/agent/l3/agent.py", line 568, in periodic_sync_routers_task
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task     self.fetch_and_sync_all_routers(context, ns_manager)
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/neutron/agent/l3/agent.py", line 603, in fetch_and_sync_all_routers
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task     r['id'], r.get(l3_constants.HA_ROUTER_STATE_KEY))
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/neutron/agent/l3/ha.py", line 120, in check_ha_state_for_router
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task     if ri and current_state != TRANSLATION_MAP[ri.ha_state]:
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task   File "/usr/lib/python2.7/site-packages/neutron/agent/l3/ha_router.py", line 81, in ha_state
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task     ha_state_path = self.keepalived_manager.get_full_config_file_path(
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task AttributeError: 'NoneType' object has no attribute 'get_full_config_file_path'
  2017-10-12 16:17:03.425 12387 ERROR oslo_service.periodic_task

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