You have been subscribed to a public bug:
when performing several operations that change the generation of a
resource (node), a ResourceProviderUpdateConflict error occurs.
the error appeared when the following operations were performed
sequentially in a separate script: creating an aggregate, adding a host
to the aggregate, adding a compute node (status disabled -> enabled),
evacuating instances to the added node (one of the evacuated instances
went into an error state)
nova.exception.ResourceProviderUpdateConflict: A conflict was
encountered attempting to update resource provider
7738e7a2-e64f-4830-a482-5a93951b5e6e (generation 9): {"errors":
[{"status": 409, "title": "Conflict", "detail": "There was a conflict
when trying to complete your request.\\n\\n Resource provider\'s
generation already changed. Please update the generation and try again.
", "request_id": "req-899e1d4f-9158-4729-b70b-814805bba247"}]}\n'}
solution:
https://opendev.org/openstack/nova/src/branch/master/nova/compute/resource_tracker.py#L1195
(add a wait parameter to the decorator before the next attempt -
wait_fixed=2000)
https://review.opendev.org/c/openstack/nova/+/888452/1
** Affects: nova
Importance: Undecided
Assignee: dzogchen (dzogchen)
Status: Confirmed
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resource update conflict
https://bugs.launchpad.net/bugs/2027633
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