A way to register auth plugins without stevedore

[Jamie Lennox]

Registering plugins via stevedore puts them in the global namespace. For consumers like OSC or for testing we often want to register a plugin for use without having it registered on the whole system.

We should provide a way to override or add auth plugins locally.

[OpenStack Infra (hudson-openstack)]

Change abandoned by Jamie Lennox (<email address hidden>) on branch: master
Review: https://review.openstack.org/112564

[Steve Martinelli (stevemar)]

unassigning since the patch is abandoned

[Steve Martinelli (stevemar)]

rerouting to keystoneauth

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/333126

[Samuel de Medeiros Queiroz (samueldmq)]

Does this affect keystoneclient yet ?

[Lance Bragstad (lbragstad)]

Automatically unassigning due to inactivity.

[OpenStack Infra (hudson-openstack)]

Change abandoned by "Gage Hugo <email address hidden>" on branch: master
Review: https://review.opendev.org/c/openstack/keystoneauth/+/333126
Reason: Abandoning since there hasn't been any recent activity, if anyone wants to continue this work, please feel free to restore this or create a new change.