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[Maciej Szankin <maciej@xxxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1625462

Title:
  The value of migration.dest_compute is incorrect after resize_revert
  operation successfully

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  I have two host: tecs-controller-node and tecs-OpenStack-Nova.

  1. I did migrate action, then instance's state is as follow:
  +--------------------------------------+----------+---------------+------------+-------------+--------------------------------+
  | ID                                   | Name     | Status        | Task State | Power State | Networks                       |
  +--------------------------------------+----------+---------------+------------+-------------+--------------------------------+
  | ea40a5f7-d92b-4ad6-94c0-a18f2465519e | hanrong1 | VERIFY_RESIZE | -          | Running     | public=172.24.4.2, 2001:db8::8 |
  +--------------------------------------+----------+---------------+------------+-------------+--------------------------------+

  2. I did look at migrations' table for instance source_node and
  dest_node.

  mysql> select * from migrations where instance_uuid='ea40a5f7-d92b-4ad6-94c0-a18f2465519e';
  +---------------------+---------------------+------------+----+----------------------+---------------------+--------------+----------+--------------------------------------+----------------------+----------------------+----------------------+---------------------+---------+----------------+--------+--------------+------------------+------------------+------------+----------------+----------------+
  | created_at          | updated_at          | deleted_at | id | source_compute       | dest_compute        | dest_host    | status   | instance_uuid                        | old_instance_type_id | new_instance_type_id | source_node          | dest_node           | deleted | migration_type | hidden | memory_total | memory_processed | memory_remaining | disk_total | disk_processed | disk_remaining |
  +---------------------+---------------------+------------+----+----------------------+---------------------+--------------+----------+--------------------------------------+----------------------+----------------------+----------------------+---------------------+---------+----------------+--------+--------------+------------------+------------------+------------+----------------+----------------+
  | 2016-09-20 02:38:24 | 2016-09-20 02:38:58 | NULL       |  1 | tecs-controller-node | tecs-OpenStack-Nova | 192.168.1.60 | finished | ea40a5f7-d92b-4ad6-94c0-a18f2465519e |                    6 |                    6 | tecs-controller-node | tecs-OpenStack-Nova |       0 | migration      |      0 |         NULL |             NULL |             NULL |       NULL |           NULL |           NULL |
  +---------------------+---------------------+------------+----+----------------------+---------------------+--------------+----------+--------------------------------------+----------------------+----------------------+----------------------+---------------------+---------+----------------+--------+--------------+------------------+------------------+------------+----------------+----------------+

  source_compute: tecs-controller-node
  source_node: tecs-controller-node
  dest_compute:tecs-OpenStack-Nova
  dest_node: tecs-OpenStack-Nova

  3. I did resize-revert action
  stack@tecs-controller-node:~$ nova resize-revert hanrong1
  stack@tecs-controller-node:~$ nova list
  +--------------------------------------+----------+---------------+------------------+-------------+--------------------------------+
  | ID                                   | Name     | Status        | Task State       | Power State | Networks                       |
  +--------------------------------------+----------+---------------+------------------+-------------+--------------------------------+
  | ea40a5f7-d92b-4ad6-94c0-a18f2465519e | hanrong1 | REVERT_RESIZE | resize_reverting | Running     | public=172.24.4.2, 2001:db8::8 |
  +--------------------------------------+----------+---------------+------------------+-------------+--------------------------------+
  stack@tecs-controller-node:~$ nova list
  +--------------------------------------+----------+--------+------------+-------------+--------------------------------+
  | ID                                   | Name     | Status | Task State | Power State | Networks                       |
  +--------------------------------------+----------+--------+------------+-------------+--------------------------------+
  | ea40a5f7-d92b-4ad6-94c0-a18f2465519e | hanrong1 | ACTIVE | -          | Running     | public=172.24.4.2, 2001:db8::8 |
  +--------------------------------------+----------+--------+------------+-------------+--------------------------------+

  4. I did look at migrations' table for instance source_node and dest_node.
  mysql> select * from migrations where instance_uuid='ea40a5f7-d92b-4ad6-94c0-a18f2465519e';
  +---------------------+---------------------+------------+----+----------------------+----------------------+--------------+----------+--------------------------------------+----------------------+----------------------+----------------------+---------------------+---------+----------------+--------+--------------+------------------+------------------+------------+----------------+----------------+
  | created_at          | updated_at          | deleted_at | id | source_compute       | dest_compute         | dest_host    | status   | instance_uuid                        | old_instance_type_id | new_instance_type_id | source_node          | dest_node           | deleted | migration_type | hidden | memory_total | memory_processed | memory_remaining | disk_total | disk_processed | disk_remaining |
  +---------------------+---------------------+------------+----+----------------------+----------------------+--------------+----------+--------------------------------------+----------------------+----------------------+----------------------+---------------------+---------+----------------+--------+--------------+------------------+------------------+------------+----------------+----------------+
  | 2016-09-20 02:38:24 | 2016-09-20 03:52:01 | NULL       |  1 | tecs-controller-node | tecs-controller-node | 192.168.1.60 | reverted | ea40a5f7-d92b-4ad6-94c0-a18f2465519e |                    6 |                    6 | tecs-controller-node | tecs-OpenStack-Nova |       0 | migration      |      0 |         NULL |             NULL |             NULL |       NULL |           NULL |           NULL |
  +---------------------+---------------------+------------+----+----------------------+----------------------+--------------+----------+--------------------------------------+----------------------+----------------------+----------------------+---------------------+---------+----------------+--------+--------------+------------------+------------------+------------+----------------+----------------+

  source_compute: tecs-controller-node
  source_node: tecs-controller-node
  dest_compute:tecs-controller-node
  dest_node: tecs-OpenStack-Nova

  The value of the dest_compute is not incorrect, it should be "tecs-OpenStack-Nova" after 
  finish_revert_resize operation.

  Expected result
  ===============

  source_compute: tecs-controller-node
  source_node: tecs-controller-node
  dest_compute:tecs-OpenStack-Nova
  dest_node: tecs-controller-node

  Environment
  ===========
  1. git log -1
  commit c6a07f5f0cbd978cc2a23214ddf4ecd520ce8335
  Merge: 14d816e 09627f2
  Author: Jenkins <jenkins@xxxxxxxxxxxxxxxxxxxx>
  Date:   Wed Sep 7 22:36:12 2016 +0000

      Merge "[placement] Allow inventory to violate allo

  2. Which hypervisor did you use?
  libvirt + kvm

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