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---
prelude: >
The Glance Project Team is excited to announce the version 1.0.0
release of the glance_store library.
This release marks the finalization of changes introduced on an
experimental basis in previous releases beginning with 0.25.0 to
support the Glance `Multi-store backend support
<http://specs.openstack.org/openstack/glance-specs/specs/rocky/implemented/glance/multi-store.html>`_
feature.
features:
- |
Multiple backend stores may be configured using the
``glance_store.multi_backend`` module. See the documentation of the
``create_multi_stores`` function in the `glance_store Reference Guide
<https://docs.openstack.org/glance_store/latest/reference/api/modules.html>`_
for details.
deprecations:
- |
The 'stores' and 'default_store' configuration options have been
deprecated for removal since the OpenStack Rocky release. They are
subject to removal early in the 'U' development cycle. When these
options are removed, the ``glance_store.backend`` module, that depends
on them, will be removed as well.
upgrade:
- |
Consuming services should begin the transition away from the
``glance_store.backend`` module and instead use the
``glance_store.multi_backend`` module. The ``backend`` module is
expected to be removed during the 'U' development cycle.
issues:
- |
The responses from some functions in the ``glance_store.multi_backend``
module, which was EXPERIMENTAL until this release, have changed.
In particular, the ``glance_store.driver.Store.add`` function which
returns a tuple whose last element is a dictionary of storage system
specific information, no longer contains a 'backend' key. Instead,
this key is named 'store'. This change extends to any convenience
functions that wrap ``Store.add``.
Consumers relying upon the EXPERIMENTAL behavior should not upgrade
past version 0.29.1. Now that the ``multi_backend`` module is fully
supported in release 1.0.0, it will not undergo any more
backward-incompatible changes.
|
