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[Bug 1396010] [NEW] Error HANotEnoughAvailableAgents not reported to user

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Public bug reported:

Failure to create HA router is reported to neutron.log but doesn't show
up in Error message:


[root@RHEL7Server ~(keystone_admin)]# neutron router-create my-first-ha-router
Internal Server Error (HTTP 500) (Request-ID: req-9185be70-a028-438a-afd3-89ce3932a128)


from neutron.log:
2014-11-25 09:57:24.145 11159 ERROR neutron.api.v2.resource [req-9185be70-a028-438a-afd3-89ce3932a128 None] create failed
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource Traceback (most recent call last):
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/api/v2/resource.py", line 87, in resource
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     result = method(request=request, **args)
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/api/v2/base.py", line 448, in create
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     obj = obj_creator(request.context, **kwargs)
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/db/l3_db.py", line 165, in create_router
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     router_db = self._create_router_db(context, r, tenant_id)
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/db/l3_hamode_db.py", line 359, in _create_router_db
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     self.delete_router(context, router_db.id)
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/openstack/common/excutils.py", line 82, in __exit__
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/db/l3_hamode_db.py", line 355, in _create_router_db
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     self._create_ha_interfaces(context, router_db, ha_network)
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/db/l3_hamode_db.py", line 299, in _create_ha_interfaces
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     num_agents = self.get_number_of_agents_for_scheduling(context)
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/db/l3_hamode_db.py", line 265, in get_number_of_agents_for_scheduling
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     num_agents=num_agents)
2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource HANotEnoughAvailableAgents: Not enough l3 agents available to ensure HA. Minimum required 5, available 1.

How to reproduce:
1. In neutron.conf set:
    min_l3_agents_per_router = <number greater than your active l3-agents>
2. create an HA router

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: l3-ha

** Tags added: l3-ha

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https://bugs.launchpad.net/bugs/1396010

Title:
  Error HANotEnoughAvailableAgents not reported to user

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  Failure to create HA router is reported to neutron.log but doesn't
  show up in Error message:

  
  [root@RHEL7Server ~(keystone_admin)]# neutron router-create my-first-ha-router
  Internal Server Error (HTTP 500) (Request-ID: req-9185be70-a028-438a-afd3-89ce3932a128)

  
  from neutron.log:
  2014-11-25 09:57:24.145 11159 ERROR neutron.api.v2.resource [req-9185be70-a028-438a-afd3-89ce3932a128 None] create failed
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource Traceback (most recent call last):
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/api/v2/resource.py", line 87, in resource
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     result = method(request=request, **args)
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/api/v2/base.py", line 448, in create
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     obj = obj_creator(request.context, **kwargs)
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/db/l3_db.py", line 165, in create_router
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     router_db = self._create_router_db(context, r, tenant_id)
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/db/l3_hamode_db.py", line 359, in _create_router_db
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     self.delete_router(context, router_db.id)
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/openstack/common/excutils.py", line 82, in __exit__
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     six.reraise(self.type_, self.value, self.tb)
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/db/l3_hamode_db.py", line 355, in _create_router_db
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     self._create_ha_interfaces(context, router_db, ha_network)
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/db/l3_hamode_db.py", line 299, in _create_ha_interfaces
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     num_agents = self.get_number_of_agents_for_scheduling(context)
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource   File "/usr/lib/python2.7/site-packages/neutron/db/l3_hamode_db.py", line 265, in get_number_of_agents_for_scheduling
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource     num_agents=num_agents)
  2014-11-25 09:57:24.145 11159 TRACE neutron.api.v2.resource HANotEnoughAvailableAgents: Not enough l3 agents available to ensure HA. Minimum required 5, available 1.

  How to reproduce:
  1. In neutron.conf set:
      min_l3_agents_per_router = <number greater than your active l3-agents>
  2. create an HA router

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https://bugs.launchpad.net/neutron/+bug/1396010/+subscriptions

Follow ups

References

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