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Add release note for multi-store feature

Change-Id: I55b3bea2d72610b1e55cc76b898621e610e80100
tags/17.0.0.0rc1
Brian Rosmaita 1 year ago
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      releasenotes/notes/experimental-multi-store-d2c26f9dbb9c835b.yaml

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releasenotes/notes/experimental-multi-store-d2c26f9dbb9c835b.yaml View File

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+---
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+features:
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+  - |
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+    This release provides an EXPERIMENTAL implementation of the Glance spec
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+    `Multi-Store Backend Support
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+    <https://specs.openstack.org/openstack/glance-specs/specs/rocky/implemented/glance/multi-store.html>`_,
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+    which allows an operator to configure multiple backing stores so that
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+    end users may direct image data to be stored in a specific backend.
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+    See `Multi Store Support
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+    <https://docs.openstack.org/glance/latest/admin/multistores.html>`_
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+    in the Glance Administration Guide for more information.
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+
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+    This experimental feature is optionally exposed as the EXPERIMENTAL
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+    Image Service API version 2.8.  Its use in production systems is currently
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+    **not supported**.  We encourage people to use this feature for testing
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+    purposes and report any issues so that it can be made stable and fully
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+    supported in the Stein release.
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+other:
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+  - |
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+    The `Multi-Store Backend Support
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+    <https://specs.openstack.org/openstack/glance-specs/specs/rocky/implemented/glance/multi-store.html>`_
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+    feature is introduced on an experimental basis in the EXPERIMENTAL
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+    Image Service API version 2.8:
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+
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+    * a new *list stores* call, `GET /v2/info/stores
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+      <https://developer.openstack.org/api-ref/image/v2/index.html#list-stores>`_
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+    * a new ``OpenStack-image-store-ids`` header in the `create image
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+      <https://developer.openstack.org/api-ref/image/v2/index.html#create-image>`_
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+      response
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+    * an ``X-Image-Meta-Store`` header may be included with the `image data
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+      upload
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+      <https://developer.openstack.org/api-ref/image/v2/index.html#upload-binary-image-data>`_
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+      request
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+    * an ``X-Image-Meta-Store`` header may be included with the `image import
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+      <https://developer.openstack.org/api-ref/image/v2/index.html#import-an-image>`_
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+      request
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+
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+    Please keep in mind that as version 2.8 of the Image Service API is
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+    EXPERIMENTAL, we reserve the right to make modifications to these aspects
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+    of the API should user feedback indicate that a change is required.

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