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Merge "Add [quota]unified_limits_resource_(strategy|list)"

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Zuul
2024-11-25 20:48:51 +00:00
committed by Gerrit Code Review
parent fe49e303f0 fd5b692905
commit 68eb977654
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doc/source/admin/unified-limits.rst
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@@ -393,3 +393,40 @@ corresponding unified limits.
quotas are not supported in unified limits.
.. _nova-manage: https://docs.openstack.org/nova/latest/cli/nova-manage.html#limits-migrate-to-unified-limits
Require or ignore resources
~~~~~~~~~~~~~~~~~~~~~~~~~~~
The :oslo.config:option:`quota.unified_limits_resource_strategy` and
:oslo.config:option:`quota.unified_limits_resource_list` configuration options
are available for operators to specify which cloud resources they will require
to have registered limits set in Keystone. The default strategy is ``require``
and the default resource list contains the ``servers`` resource.
When ``unified_limits_resource_strategy = require``, if a resource in
``unified_limits_resource_list`` is requested and has no registered limit set,
the quota limit for that resource will be considered to be 0 and all requests
to allocate that resource will be rejected for being over quota. Any resource
not in the list will be considered to have unlimited quota.
When ``unified_limits_resource_strategy = ignore``, if a resource in
``unified_limits_resource_list`` is requested and has no registered limit set,
the quota limit for that resource will be considered to be unlimited and all
requests to allocate that resource will be accepted. Any resource not in the
list will be considered to have 0 quota.
The options should be configured for the :program:`nova-api` and
:program:`nova-conductor` services. The :program:`nova-conductor` service
performs quota enforcement when :oslo.config:option:`quota.recheck_quota` is
``True`` (the default).
The ``unified_limits_resource_list`` list can also be set to an empty list.
Example configuration values:
.. code-block:: ini
[quota]
unified_limits_resource_strategy = require
unified_limits_resource_list = servers,class:VCPU,class:MEMORY_MB,class:DISK_GB