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[Russell Bryant <1277230@xxxxxxxxxxxxxxxxxx>]

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

** Changed in: nova
    Milestone: None => juno-2

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https://bugs.launchpad.net/bugs/1277230

Title:
  Overlapping availability zones don't display properly

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  If you create two overlapping availability zones, the get availability
  zones command returns odd information.

  Repro:

  $ nova --os-username admin --os-tenant-name admin --os-password secrete aggregate-create foo foo
  +----+------+-------------------+-------+----------+
  | Id | Name | Availability Zone | Hosts | Metadata |
  +----+------+-------------------+-------+----------+
  | 2  | foo  | foo               |       |          |
  +----+------+-------------------+-------+----------+

  $ nova --os-username admin --os-tenant-name admin --os-password secrete aggregate-add-host 2 node001-cont001
  Aggregate 2 has been successfully updated.
  +----+------+-------------------+----------------------+--------------------------------+
  | Id | Name | Availability Zone | Hosts                | Metadata                       |
  +----+------+-------------------+----------------------+--------------------------------+
  | 2  | foo  | foo               | [u'node001-cont001'] | {u'availability_zone': u'foo'} |
  +----+------+-------------------+----------------------+--------------------------------+

  $ nova availability-zone-list
  +-------------+-----------+
  | Name        | Status    |
  +-------------+-----------+
  | zone001     | available |
  | zone001,foo | available |
  +-------------+-----------+

  Expected:
  +---------+-----------+
  | Name    | Status    |
  +---------+-----------+
  | zone001 | available |
  | foo     | available |
  +---------+-----------+

  The admin view is a little more useful:

  $ nova --os-username admin --os-tenant-name admin --os-password secrete availability-zone-list
  +-----------------------+----------------------------------------+
  | Name                  | Status                                 |
  +-----------------------+----------------------------------------+
  | internal              | available                              |
  ...
  | zone001               | available                              |
  | |- node005-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:31.000000 |
  | |- node007-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:27.000000 |
  | |- node009-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:25.000000 |
  | |- node003-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:27.000000 |
  | zone001,foo           | available                              |
  | |- node001-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:27.000000 |
  +-----------------------+----------------------------------------+

  but it could easily show two copies of the node that is in two zones:

  +-----------------------+----------------------------------------+
  | Name                  | Status                                 |
  +-----------------------+----------------------------------------+
  | internal              | available                              |
  ...
  | zone001               | available                              |
  | |- node005-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:31.000000 |
  | |- node007-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:27.000000 |
  | |- node009-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:25.000000 |
  | |- node003-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:27.000000 |
  | |- node001-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:27.000000 |
  | foo                   | available                              |
  | |- node001-cont001    |                                        |
  | | |- nova-compute     | enabled :-) 2014-02-06T19:18:27.000000 |
  +-----------------------+----------------------------------------+

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