live migration choosing wrong host names

[Dirk Mueller]

Horizon's admin interface recently gained a feature to trigger a live migration from the UI. It requires a destination host to be specified (which is wrong, as the destination host is optional in the API), and it allows to preselect from a list of given names.

However, the list that is chosen is coming from os-hypervisor-list. These host names might not match os-hosts, which is the one that the nova scheduler expects.

Consequently if hypervisor names do not match the host names, the live migration from the UI fails.

nova host-list is in my case:

+--------------------+-------------+----------+
| host_name | service | zone |
+--------------------+-------------+----------+
| d52-54-01-77-77-01 | scheduler | internal |
| d52-54-01-77-77-01 | consoleauth | internal |
| d52-54-02-77-77-02 | compute | nova |
| d52-54-01-77-77-01 | conductor | internal |
| d52-54-01-77-77-01 | cert | internal |
+--------------------+-------------+----------+

nova hypervisor-list is

nova hypervisor-list
+----+-------------------------------------+
| ID | Hypervisor hostname |
+----+-------------------------------------+
| 1 | d52-54-02-77-77-02.c6.cloud.suse.de |
+----+-------------------------------------+

calling a live-migration against the fqdn (like hypervisor-list returns) fails.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/103672

[Julie Pichon (jpichon)]

The patch may (?) also help with bug 1310340.

[Lin Hua Cheng (lin-hua-cheng)]

Like to see this on RC1, addressed the comment in the patch

[Lin Hua Cheng (lin-hua-cheng)]

No action from the author for a month, going to fix the comment myself so we can get it in RC1.

[Zhenguo Niu (niu-zglinux)]

Assign this to Lin from me, I just fix the pep8 error:)

[Lin Hua Cheng (lin-hua-cheng)]

Actually Dirk Mueller did the fix, re-assigning to him. he should get the credit :)

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/103672
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=89dc7de2e87b8d4e35837ad5122117aa2fb2c520
Submitter: Jenkins
Branch: master

commit 89dc7de2e87b8d4e35837ad5122117aa2fb2c520
Author: Dirk Mueller <email address hidden>
Date: Tue Jul 1 00:24:15 2014 +0200

    Fix host listing in live migration

    The live migration selector needs to offer a list
    of hosts, not a list of hypervisors.

    Change-Id: I73c1175a5f87b0f91e36083f05467c26feca5d51
    Closes-Bug: #1335999

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/icehouse
Review: https://review.openstack.org/149621

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/149621
Committed: https://git.openstack.org/cgit/openstack/horizon/commit/?id=2a6fe4a8c53501b333df60b8662a20a0c7269455
Submitter: Jenkins
Branch: stable/icehouse

commit 2a6fe4a8c53501b333df60b8662a20a0c7269455
Author: Dirk Mueller <email address hidden>
Date: Tue Jul 1 00:24:15 2014 +0200

    Fix host listing in live migration

    The live migration selector needs to offer a list
    of hosts, not a list of hypervisors.

    Conflicts:
     openstack_dashboard/test/test_data/nova_data.py

    Change-Id: I73c1175a5f87b0f91e36083f05467c26feca5d51
    Closes-Bug: #1335999
    (cherry picked from commit 89dc7de2e87b8d4e35837ad5122117aa2fb2c520)