Tooling and Docs for Unified Limits in Nova

Registered by melanie witt

In the Yoga release support for Unified Limits was added in Nova as an
experimental feature to get early feedback and fix issues that were found by
operators trying it out. Now that a few releases have passed, we want to go
ahead and formalize the unified limits quota driver by creating a tool to help
operators copy their existing legacy quota limits from Nova to unified limits
in Keystone, publish official documentation in the Nova quota documentation,
and removing the note on the ``[quota]driver=nova.quota.UnifiedLimitsDriver``
config option indicating its experimental status.

Blueprint information

Status:
Complete
Approver:
sean mooney
Priority:
Undefined
Drafter:
melanie witt
Direction:
Approved
Assignee:
melanie witt
Definition:
Approved
Series goal:
Accepted for bobcat
Implementation:
Implemented
Milestone target:
None
Started by
Sylvain Bauza
Completed by
Sylvain Bauza

Related branches

Sprints

Whiteboard

[20230707 bauzas] Spec approved for Bobcat https://review.opendev.org/c/openstack/nova-specs/+/887014

Gerrit topic: https://review.opendev.org/#/q/topic:bp/unified-limits-nova-tool-and-docs

Addressed by: https://review.opendev.org/c/openstack/nova/+/891646
    WIP nova-manage: Add 'limits migrate_to_unified_limits'

Addressed by: https://review.opendev.org/c/openstack/nova/+/893127
    Add documentation for unified limits

Addressed by: https://review.opendev.org/c/openstack/nova/+/893462
    Follow up for unified limits documentation

Addressed by: https://review.opendev.org/c/openstack/nova/+/898759
    docs: Fix unified limits code block text alignment

(?)

Work Items

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