Live migrations gives a cryptic message when instance is paused

[Gary Kotton]

root@utu1604template:~# nova list
+--------------------------------------+---------------+--------+------------+-------------+---------------------------+
| ID | Name | Status | Task State | Power State | Networks |
+--------------------------------------+---------------+--------+------------+-------------+---------------------------+
| 0a07b744-90ef-4250-adce-cd5adfc2925a | FEDORA-1 | ACTIVE | - | Running | net1=1.0.0.9 |
| c1c5dbbc-ba4d-4c43-9fa4-b50284be6b44 | FEDORA-1 | ACTIVE | - | Running | net1=1.0.0.4 |
| 05858218-80c3-4f6c-a6c0-e2094faa20a6 | FEDORA-3 | ACTIVE | - | Running | net1=1.0.0.5 |
| fddae0ed-fdff-4962-9284-84303ad0cf5c | FEDORA-4 | ACTIVE | - | Running | net1=1.0.0.20 |
| d5dcef89-c89d-4e75-b567-ef6ddf0d95e8 | FEDORA-vsan-1 | ACTIVE | - | Running | net1=1.0.0.6 |
| c4d9ea4e-7f5d-4ffa-a091-15cf817b6656 | FEDORA-vsan-2 | ACTIVE | - | Running | net1=1.0.0.21 |
| 112df993-c9dd-4c6c-b0ae-c20e133bba07 | vm1 | ACTIVE | - | Running | net1=1.0.0.8, 172.24.4.14 |
| da3fb215-8665-4761-b197-076c80b7b2bd | vm1 | ACTIVE | - | Running | net1=1.0.0.3, 172.24.4.3 |
| dbb473c9-248a-4f5e-ab9b-30c6526f4978 | vm1 | ACTIVE | - | Running | net1=1.0.0.7, 172.24.4.10 |
| 3882b496-1433-4cb7-a0c5-151a0c47f8bd | vm2 | ACTIVE | - | Running | net1=1.0.0.12 |
+--------------------------------------+---------------+--------+------------+-------------+---------------------------+

root@utu1604template:~# nova pause d5dcef89-c89d-4e75-b567-ef6ddf0d95e8

root@utu1604template:~# nova service-list
+----+------------------+-----------------------------------+----------+---------+-------+----------------------------+-----------------+
| Id | Binary | Host | Zone | Status | State | Updated_at | Disabled Reason |
+----+------------------+-----------------------------------+----------+---------+-------+----------------------------+-----------------+
| 11 | nova-conductor | nova-conductor-f7f8ccbf9-tw48t | internal | enabled | up | 2019-01-08T09:30:36.000000 | - |
| 14 | nova-consoleauth | nova-consoleauth-6fc4cc74b5-hjlbc | internal | enabled | up | 2019-01-08T09:30:40.000000 | - |
| 17 | nova-scheduler | nova-scheduler-65d75fb975-8qr25 | internal | enabled | up | 2019-01-08T09:30:39.000000 | - |
| 20 | nova-compute | nova-compute-04 | az1 | enabled | up | 2019-01-08T09:30:38.000000 | - |
| 23 | nova-compute | nova-compute-02 | az3 | enabled | up | 2019-01-08T09:30:38.000000 | - |
| 26 | nova-compute | nova-compute-03 | az2 | enabled | up | 2019-01-08T09:30:40.000000 | - |
| 29 | nova-compute | nova-compute-01 | az4 | enabled | up | 2019-01-08T09:30:42.000000 | - |
+----+------------------+-----------------------------------+----------+---------+-------+----------------------------+-----------------+

root@utu1604template:~# nova live-migration d5dcef89-c89d-4e75-b567-ef6ddf0d95e8 nova-compute-02
ERROR (Conflict): Cannot 'os-migrateLive' instance d5dcef89-c89d-4e75-b567-ef6ddf0d95e8 while it is in power_state 7 (HTTP 409) (Request-ID: req-77e0da31-1629-48fb-aaa9-d7a5ff178759)

[Boden R (boden)]

Gary - isn't this bug meant for nova rather than neutron?

[Gary Kotton (garyk)]

This fix is https://review.openstack.org/#/c/630496/

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/630496
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=7180f1623259880437e81b8a2d56663cb6cb61e4
Submitter: Zuul
Branch: master

commit 7180f1623259880437e81b8a2d56663cb6cb61e4
Author: Gary Kotton <email address hidden>
Date: Sun Jan 13 01:16:37 2019 -0800

    Enhance exception raised when invalid power state

    The invalid state exception did not pass wht power state
    as a string. Ensure that it is a string and not an integer.

    TrivialFix

    Change-Id: I37bb05585bc16de14f7e9a2eb3864c5ed90c7603
    Closes-bug: #1811565

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/nova 19.0.0.0rc1 release candidate.