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[Armando Migliaccio <1653086@xxxxxxxxxxxxxxxxxx>]

** Also affects: octavia
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1653086

Title:
  Hit internal server error in lb creation with no subnets network

Status in neutron:
  New
Status in octavia:
  New

Bug description:
  Currently, lbaas support create loadbalancer with vip-network. But if
  there isn't a subnet in this vip-network. Neutron server will hit
  internal error.

  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00m  File "/usr/local/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 196, in force_reraise
  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00m    six.reraise(self.type_, self.value, self.tb)
  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00m  File "/opt/stack/neutron/neutron/api/v2/base.py", line 526, in do_create
  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00m    return obj_creator(request.context, **kwargs)
  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00m  File "/opt/stack/neutron-lbaas/neutron_lbaas/services/loadbalancer/plugin.py", line 362, in create_loadbalancer
  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00m    allocate_vip=not driver.load_balancer.allocates_vip)
  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00m  File "/opt/stack/neutron-lbaas/neutron_lbaas/db/loadbalancer/loadbalancer_dbv2.py", line 332, in create_loadbalancer
  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00m    vip_address, vip_network_id)
  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00m  File "/opt/stack/neutron-lbaas/neutron_lbaas/db/loadbalancer/loadbalancer_dbv2.py", line 155, in _create_port_for_load_balancer
  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00m    lb_db.vip_address = fixed_ip['ip_address']
  2016-12-29 16:57:47.182 TRACE neutron.api.v2.resource ^[[01;35m^[[00mTypeError: 'NoneType' object has no attribute '__getitem__'

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