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<title>openstack/kolla.git/releasenotes/notes/change-bifrost-upper-constraints-source-e93cb72e88823d56.yaml, branch stable/2026.1</title>
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<updated>2025-02-05T15:36:52+00:00</updated>
<entry>
<title>Change Bifrost Python upper-constraints source</title>
<updated>2025-02-05T15:36:52+00:00</updated>
<author>
<name>Seunghun Lee</name>
<email>seunghun@stackhpc.com</email>
</author>
<published>2024-11-12T10:19:54+00:00</published>
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<id>urn:sha1:4cab35b1a81055c3696e5fa42d794d6fc96076e6</id>
<content type='text'>
Users can override the upper-constraints.txt by setting the source of
openstack-base in kolla-build.conf.

However, bifrost-base Dockerfile so far doesn't pass overridden
upper-constraints file to Bifrost install playbook resulting the
playbook not acknowledging it and just use upstream one.

This change sets the source of Bifrost upper-constraints to use
upper-constraints of openstack-base for consistency among all Kolla
images

With this, change the environment variable UPPER_CONSTRAINTS_FILE is
only affecting kolla-toolbox image.
Therefore, moved UPPER_CONSTRATINS_FILE variable example to the
``kolla_toolbox_pip_conf`` block of kolla-toolbox Dockerfile.

Additionally, updated 'Python packages build options' section of
documentation to represent latest method of changing Python package
related options (including this change).

Change-Id: I0a9c782ca1177ef84e4323cb1e5bfac0fb3f383c
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