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Add prelude to Rocky releasenotes

Also removes the bullet point prelude that was in b3.

Change-Id: I3a5c71a93ab404f4a3bb236270706e97e0b12b0d
Erno Kuvaja 8 months ago
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6884266251

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releasenotes/notes/bp-mitigate-ossn-0075-c0e74e60d86d8ea2.yaml View File

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 ---
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-prelude: >
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-  - The ``glance-manage`` utility has been updated to address OpenStack
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-    Security Note OSSN-0075.
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 security:
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   - |
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     The ``glance-manage`` tool has been updated to address `OSSN-0075`_.

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releasenotes/notes/image-conversion-plugin-5aee45e1a1a5bb2b.yaml View File

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-prelude: >
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-  Automatic image conversion plugin for Interoperable Image Import. This
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-  release introduces a new plugin that can be used to convert images to
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-  specific format automatically upon image import.
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 features:
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     Automatic image conversion plugin for Interoperable Image Import. With

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releasenotes/notes/rocky-rc-b0ea7628b7a74c96.yaml View File

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+---
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+prelude: |
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+    This release of OpenStack Glance introduces 2 new API versions. Images
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+    API v2.7 adds support and modifications for the Hidden Images and
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+    Multihash features introduced during Rocky cycle. Version 2.8 is
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+    included as an optional EXPERIMENTAL API for testing and preparing for
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+    multiple back-end support.
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+
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+    Rocky development cycle marks long waited milestone on Glance work. The
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+    Images API v1 which has been deprecated for years is finally removed and
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+    not available at all in Glance version 17.0.0 forward.
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+
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+    Some security aspects were tackled for this release. Multihash, providing
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+    secure hashing for image data with future proof options marks the end of
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+    relying upon MD5 checksums when verifying image payloads. OSSN-0075
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+    migitation lessens the risk of ID reusability on those very rare cases
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+    when a database purge is necessary.
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+
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+    When delayed delete is enabled operators are able to recover image records
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+    if the scrubber has been stopped before the data removal interval. While
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+    the image metadata is still not preserved in these cases, this provides a
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+    way to save the image data on accidental deletes.
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+
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+    Due to increasing core counts on modern servers Glance services started
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+    consuming huge amounts of resources as the default was to spin up equal
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+    amount of workers to logical CPUs seen on the host. This automatic scaling
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+    was capped to 8 workers limiting the resources consumed. While each worker
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+    can handle a pool of connections this limit should be sufficient for most
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+    clouds. Large deployments should monitor their performance after upgrade.
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+
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+    When using Interoperable Image Import workflow, the cloud operators can
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+    now enable automatic image conversion to desired format. When the plugin
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+    is enabled end-users do not have any input to its operation but their
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+    local checksum might not match with checksums recorded in Glance.

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