> It's possible https://review.openstack.org/#/c/500956/ will help with
this.
It did.
I still think we could stand to figure out how to get rid of
_ContextAuthPlugin, but it's not breaking anything anymore, so closing
this bug out for the time being.
** Changed in: nova
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1709118
Title:
_ContextAuthPlugin needs a refresh
Status in OpenStack Compute (nova):
Invalid
Bug description:
nova.context._ContextAuthPlugin is (sometimes) being used as the basis
for keystoneauth1 endpoint discovery. With the advent of ksa 3.1.0,
there are some new methods consumers are expecting to be able to run
on an auth via a ksa Session or Adapter. (Note that they were added
to BaseIdentityPlugin without being added as abstract methods to
BaseAuthPlugin - this is probably a ksa bug.) An example of such a
method is get_endpoint_data().
Now, it appears from the docstring that the only reason
_ContextAuthPlugin exists is that the auths we get from keystone
middleware are not serializable. This may have changed since that
docstring was written in 2014.
So: we should either update _ContextAuthPlugin to provide the methods
ksa expects (perhaps in response to a fixup in ksa's BaseAuthPlugin
abc that mandates those methods be implemented); or (better) figure
out a way to get rid of _ContextAuthPlugin entirely and just use what
keystone provides.
A manifestation of this problem can be seen in the work for bp use-
service-catalog-for-endpoints. This change [1] is in response to ksa
Adapter.get_endpoint_data() raising AttributeError because
Adapter.get_endpoint_data eventually filters down to
Adapter.auth.get_endpoint_data; which breaks when the auth is a
_ContextAuthPlugin.
[1] https://review.openstack.org/#/c/490057/3..4/nova/image/glance.py
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