Public bug reported:
If a call to ``PUT /allocations/{consumer}`` fails, for example with a
409 Conflict due to a resource provider or inventory being concurrently
updated, the consumer record that is auto-created in the handler before
calling AllocationList.create_all() is not being cleaned up properly.
This results in situations like bug #1778591 where a caller can get
seriously confused when attempting to retry creating allocations for a
consumer, since the retry will now expect a non-null consumer generation
when the API is called with microversion 1.28+
The solution is simple: clean up the auto-created consumer record if a
failure occurs when creating allocations for a *new* consumer.
** Affects: nova
Importance: Medium
Assignee: Jay Pipes (jaypipes)
Status: Triaged
** Tags: placement
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https://bugs.launchpad.net/bugs/1779725
Title:
Auto-created consumer record not cleaned up after failed allocation
Status in OpenStack Compute (nova):
Triaged
Bug description:
If a call to ``PUT /allocations/{consumer}`` fails, for example with a
409 Conflict due to a resource provider or inventory being
concurrently updated, the consumer record that is auto-created in the
handler before calling AllocationList.create_all() is not being
cleaned up properly.
This results in situations like bug #1778591 where a caller can get
seriously confused when attempting to retry creating allocations for a
consumer, since the retry will now expect a non-null consumer
generation when the API is called with microversion 1.28+
The solution is simple: clean up the auto-created consumer record if a
failure occurs when creating allocations for a *new* consumer.
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https://bugs.launchpad.net/nova/+bug/1779725/+subscriptions
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