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[melanie witt <1907117@xxxxxxxxxxxxxxxxxx>]

Patch at https://review.opendev.org/c/openstack/nova/+/765749

** Also affects: nova/victoria
   Importance: Undecided
       Status: New

** Changed in: nova/victoria
   Importance: Undecided => High

** Changed in: nova/victoria
       Status: New => In Progress

** Changed in: nova/victoria
     Assignee: (unassigned) => Lee Yarwood (lyarwood)

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https://bugs.launchpad.net/bugs/1907117

Title:
  Could not find a version that satisfies the requirement
  packaging>=20.4 (from oslo-utils)

Status in OpenStack Compute (nova):
  In Progress
Status in OpenStack Compute (nova) victoria series:
  In Progress

Bug description:
  Description
  ===========
  openstack-tox-lower-constraints on openstack/nova master & stable/victoria is often failing due to the following error to find a version of the packaging module as required by oslo.utils:

  2020-12-07 13:25:45.153758 | ubuntu-focal | ERROR: Could not find a version that satisfies the requirement packaging>=20.4 (from oslo-utils)
  2020-12-07 13:25:45.153770 | ubuntu-focal | ERROR: No matching distribution found for packaging>=20.4

  The following logstash query finds 11 hits at present:

  http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22No%20matching%20distribution%20found%20for%20packaging%5C%22%20AND%20tags%3A%5C%22console%5C%22

  fungi was able to reproduce this and found that Nova's lower-
  constraints.txt is actually to blame after the following change bumped
  our oslo.utils requirement to 4.5:

  https://review.opendev.org/c/openstack/nova/+/748059

  oslo.utils having a lower-constraints.txt packaging requirement of
  20.4 while Nova has a lower-constraints.txt packaging requirement of
  17.1 creating the conflict. To fix this we need to bump the
  requirement in Nova to 20.4.

  Steps to reproduce
  ==================

  * Use a recent version of pip with the lower-constraints env.

  Expected result
  ===============
  Passes

  Actual result
  =============
  Fails

  Environment
  ===========
  1. Exact version of OpenStack you are running. See the following
    list for all releases: http://docs.openstack.org/releases/

     master and stable/victoria

  2. Which hypervisor did you use?
     (For example: Libvirt + KVM, Libvirt + XEN, Hyper-V, PowerKVM, ...)
     What's the version of that?

     N/A

  2. Which storage type did you use?
     (For example: Ceph, LVM, GPFS, ...)
     What's the version of that?

     N/A

  3. Which networking type did you use?
     (For example: nova-network, Neutron with OpenVSwitch, ...)

     N/A

  Logs & Configs
  ==============

  See above.

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