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Details

Type: Epic
Resolution: Unresolved
Priority: Normal
Fix Version/s: rhos-18.0.0
Affects Version/s: rhos-18.0.0
Component/s: openstack-nova
Labels:
None

Epic Name:
Migrate database migrations from sqlalchemy-migrate to alembic
Story Points:
1
Blocked:
False
Ready:
False
Dev Approval:
Committed
Docs Approval:
No Docs Impact
Feature Link:
OSP-14490 - Large scale scheduling
Fixed in Build:
openstack-nova-27.1.1-18.0.20230930093334.a869ab1.el9osttrunk
PM Approval:
Committed
QE Approval:
No impact
Hierarchy Progress:
100
Hierarchy Progress Bar:

100% 100%
Release Note Text:
Undefined
Release Note Type:
Release Note Not Required

Workstream:

Compute

SFDC Cases Links:
SFDC Cases Counter:

Description

Description of problem:

nova's database migrations are implemented using sqlalchemy-migrate, a defunct and unmaintained library. alembic is the anointed successor that is developed and supported by the sqlalchemy community. The Network (neutron) and Image (glance) services already migrated to alembic some time ago. It is now time for Compute (nova) to do the same. Doing so will reduce some tech debt in the project and bring usability improvements to operators, who can use the same tooling to run database migrations across multiple projects. This RFE tracks the work to migrate the migrations, providing a way for both existing deployments and new deployments to start using alembic for all migrations going forward.