Reviewed: https://review.openstack.org/539712
Committed:
https://git.openstack.org/cgit/openstack/nova/commit/?id=26c593c91f008caab92ed52156dfe2d898955d3f
Submitter: Zuul
Branch: master
commit 26c593c91f008caab92ed52156dfe2d898955d3f
Author: Eric Fried <efr...@us.ibm.com>
Date: Tue Jan 30 21:53:52 2018 -0600
Avoid inventory DELETE API (no conflict detection)
SchedulerReportClient._delete_inventory used the DELETE
/resource_providers/{u}/inventories API, which does not provide a way to
send the generation down (see bug 1746373), and is therefore subject to
concurrency errors.
This change set removes the _delete_inventory method and uses PUT
/resource_providers/{u}/inventories with an empty 'inventories' dict
instead, because that API *does* take the generation in the payload.
Doing this makes moot part of bug 1746075 by removing one of the code
paths that exploits undocumented knowledge of how placement uses the
generation counter.
Change-Id: Ia8131b32debd56b28315ef430ee4e8888b6f56e7
Closes-Bug: #1746374
Related-Bug: #1746373
Related-Bug: #1746075
** Changed in: nova
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1746374
Title:
Report client _delete_inventory violates generation consistency
Status in OpenStack Compute (nova):
Fix Released
Bug description:
SchedulerReportClient._delete_inventory uses the DELETE
/resource_providers/{u}/inventories API, which does not provide a way
to send the generation down (see related bug [1]), and is therefore
subject to concurrency errors.
Until/unless an alternative becomes available, we should be using PUT
/resource_providers/{u}/inventories with an empty 'inventories' dict,
because that API *does* take the generation in the payload. (If we do
this, we also make moot part of related bug [2].)
Related bugs:
[1] https://bugs.launchpad.net/nova/+bug/1746075
[2] https://bugs.launchpad.net/nova/+bug/1746373
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