** Changed in: openstack-api-site
Status: New => Confirmed
** Project changed: openstack-api-site => nova
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https://bugs.launchpad.net/bugs/2027633
Title:
resource update conflict
Status in OpenStack Compute (nova):
Confirmed
Bug description:
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
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