Tidy up release notes for Flamingo release

Change-Id: I10f47d3454fd81a36aa7a724050869ef680e88b4
Signed-off-by: Bartosz Bezak <bartosz@stackhpc.com>
This commit is contained in:
Bartosz Bezak 2025-11-07 10:55:45 +01:00
parent e1240df719
commit 4ed9bcee50
11 changed files with 47 additions and 26 deletions

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@ -1,4 +0,0 @@
---
deprecations:
- |
Deprecates support for building ``collectd`` images.

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---
deprecations:
- |
Deprecates support for building ``telegraf`` images.
Deprecates support for building ``collectd`` and ``telegraf`` images.

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---
upgrade:
- |
Support for building ``Venus`` container images has been dropped,
following it's inactivity and producing breaking Horizon plugin builds.
Support for building ``Venus`` container images has been dropped due to the
project's inactivity and the Horizon plugin build failures it caused.

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---
prelude: |
The Kolla ``21.0.0`` (Flamingo) release modernises the base operating
systems and core infrastructure shipped by the containers. Highlights
include:
* Rocky Linux 10 replaces Rocky Linux 9 as the only supported Rocky base
image, removing the Delorean/CentOS Cloud SIG dependency and tightening RPM
repository handling via ``repos.yaml`` (including a new versioned Erlang
source for aarch64).
* Data-plane services received major upgrades: ``MariaDB`` now tracks the
11.4 LTS series with the upstream health check script and the legacy
clustercheck image removed, ``ProxySQL`` moves to 3.x, ``Bifrost`` consumes
Ansible 11, ``RabbitMQ`` advances to 4.1, and ``Gnocchi`` is updated to
4.7.0.
* Observability components were refreshed with ``Fluentd`` 6.x LTS,
``OpenSearch``/``OpenSearch Dashboards`` 3.x, broad ``Prometheus`` exporter
and infrastructure bumps (``etcd``, ``helm``, ``letsencrypt-lego``), and the
retirement of the ``collectd``, ``telegraf``, and ``prometheus-ovn-exporter``
images.
* The container portfolio was streamlined: support landed for the
``ironic-pxe-filter`` image and ``neutron-metadata-agent`` wrapper scripts,
while dormant services such as ``ironic-inspector`` and ``Venus`` were
dropped.

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---
upgrade:
- |
Update Fluentd to version 6.x LTS.
Updates ``Fluentd`` to the 6.x LTS series.

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---
features:
upgrade:
- |
``MariaDB`` version has been updated to ``11.4 LTS``.
This version will be supported until 29th May 2029.
Updates ``MariaDB`` to the ``11.4`` LTS release, which is supported until
29 May 2029.

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---
upgrade:
- |
Update OpenSearch and OpenSearch Dashboards to version 3.x.
Updates ``OpenSearch`` and ``OpenSearch Dashboards`` to version 3.x.

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---
upgrade:
- |
``rabbitmq`` version has been updated to ``4.1``.
Updates ``RabbitMQ`` to version ``4.1``.

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---
deprecations:
upgrade:
- |
The OVN exporter has been removed with immediate effect since 1) it isn't
used in Kolla Ansible and 2) the source repo was archived in Dec 2024.
Removes the ``prometheus-ovn-exporter`` image because it is unused by
Kolla Ansible and the upstream repository was archived in December 2024.

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---
features:
- |
Adds support for Rocky 10 as a base container image. This is the only major
version of Rocky supported from the 2025.2 release.
Adds support for Rocky Linux 10 as a base container image. From the 2025.2
release onward, Rocky Linux 10 is the only supported Rocky Linux major version.
upgrade:
- |
Rocky 9 is no longer supported as a base container image. Rocky users
should migrate to Rocky 10.
Rocky Linux 9 is no longer supported as a base container image, so
deployments using Rocky Linux should migrate to Rocky Linux 10.
- |
The following images were supported by Rocky 9 but lack suitable packages
in Rocky, and are no longer supported for Rocky: ``telegraf``.
The ``telegraf`` image relied on Rocky Linux 9-only packages and is therefore
unavailable for Rocky Linux-based builds.

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---
upgrade:
- |
Update monitoring and key infrastructure components to their latest versions.
This upgrade includes several prometheus-related services, as well as Etcd and Lego.
Updates monitoring and key infrastructure components to their latest
supported versions. This covers several Prometheus exporters as well as
``etcd``, ``helm``, and ``letsencrypt-lego``.
* etcd: 3.5.16 -> 3.6.5
* helm: 3.16.3 -> 3.19.0
@ -15,5 +16,5 @@ upgrade:
* prometheus-node-exporter: 1.8.2 -> 1.9.1
* prometheus-server: 3.2.1 -> 3.5.0 (LTS)
Additionally, Prometheus-server has been switched to its Long-Term Support (LTS)
version to ensure greater stability and extended support.
Additionally, ``prometheus-server`` now tracks the Long-Term Support (LTS)
channel to provide longer maintenance windows.