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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => havana-3

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https://bugs.launchpad.net/bugs/1190718

Title:
  manager.py : _validate_instance_zone_for_dns_domain throwing
  AttributeError: 'NoneType' object has no attribute 'availability_zone'
  error

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  Using Devstack

  *** USE MiniDNS driver ***

  add instance_dns_manager=nova.network.minidns.MiniDNS to [default]
  section in /etc/nova/nova.conf

  *** CREATE PRIVATE DNS DOMAIN ***

  stack@test:~/devstack$ nova dns-create-private-domain
  --availability_zone nova foo.org

  stack@test:~/devstack$ nova dns-domains
  +---------+---------+---------+-------------------+
  | domain  | scope   | project | availability_zone |
  +---------+---------+---------+-------------------+
  | foo.org | private | None    | nova              |
  +---------+---------+---------+-------------------+

  *** BOOT AN INSTANCE ***
  stack@test:~/devstack$ nova boot --flavor 1 --image 5f789010-7e57-465f-950c-ed071c3b75ae "test-instance"

  ** IMMEDIATELY GOES INTO ERROR STATE ***

  The following is the error in nova-network

  2013-06-13 19:18:44.632 ERROR nova.openstack.common.rpc.amqp [req-53d54d74-d53c-49be-ac4b-f0ab9d4bc0fe admin admin] Exception during message handling
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp Traceback (most recent call last):
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/openstack/common/rpc/amqp.py", line 433, in _process_data
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp     **args)
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/openstack/common/rpc/dispatcher.py", line 172, in dispatch
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp     result = getattr(proxyobj, method)(ctxt, **kwargs)
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/network/floating_ips.py", line 188, in deallocate_for_instance
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp     super(FloatingIP, self).deallocate_for_instance(context, **kwargs)
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/network/manager.py", line 540, in deallocate_for_instance
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp     self.deallocate_fixed_ip(context, fixed_ip['address'], host=host)
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/network/manager.py", line 247, in deallocate_fixed_ip
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp     address)
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/network/manager.py", line 894, in deallocate_fixed_ip
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp     if self._validate_instance_zone_for_dns_domain(context, instance):
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp   File "/opt/stack/nova/nova/network/manager.py", line 802, in _validate_instance_zone_for_dns_domain
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp     dns_zone = domainref.availability_zone
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp AttributeError: 'NoneType' object has no attribute 'availability_zone'
  2013-06-13 19:18:44.632 TRACE nova.openstack.common.rpc.amqp

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