Ghanshyam Mann 8687539175 Add a variable to configure the Tempest venv upper constraints ...

We use Tempest master for testing the supported stable
branches so using master upper constraints works fine but
when we need to use old Tempest in the below cases then master
upper constraints do not work and devstack will not be
able to install Tempest in vnenv:

- Testing Extended Maintenance branch
- Testing py2.7 jobs until stable/train with in-tree tempest plugins

This commit adds a variable to set the compatible upper constraint
to use for Tempest's old version.

Few of the current failure which can be fixed by this new configurable var:
- networking-generic-switch-tempest-dlm-python2
  - https://zuul.opendev.org/t/openstack/build/ebcf3d68d62c4af3a43a222aa9ce5556
- devstack-platform-xenial on stable/steinand stable/train
  - https://zuul.opendev.org/t/openstack/build/37ffc1af6f3f4b44b5ca8cbfa27068ac

 Conflicts:
       lib/tempest
       stackrc
Due to https://review.opendev.org/c/openstack/devstack/+/774103 and to use
the stable constraints.

Change-Id: I5b2217d85e6871ca3f7a3f6f859fdce9a50d3946
(cherry picked from commit 3bdc8f66ad)
(cherry picked from commit 2e4b708e25)
(cherry picked from commit 74a136ac98)
(cherry picked from commit 3c92daf734)

2021-02-24 08:44:36 -06:00

38 KiB

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