[neutron-tempest-plugin] greendns query has no attribute "_compute_expiration"

[Rodolfo Alonso]

Some tests are failing consistently with the following error: http://paste.openstack.org/show/796134/

"AttributeError: module 'dns.query' has no attribute '_compute_expiration'"

Error logs: https://8a0f799a619e7f365667-2de10bdd194d323966e80d1fe3d10503.ssl.cf1.rackcdn.com/741957/2/check/neutron-tempest-plugin-designate-scenario/db75334/testr_results.html

[Rodolfo Alonso (rodolfo-alonso-hernandez)]

Set importance to "High" because it's blocking the CI

[Rodolfo Alonso (rodolfo-alonso-hernandez)]

Could be related to https://pypi.org/project/dnspython/2.0.0/ (released 2020/7/17) and merged in requirements in https://review.opendev.org/#/c/741800/2/upper-constraints.txt.

Nova is also having some problems with this version and it's blocking it: https://bugs.launchpad.net/nova/+bug/1888237

According to https://github.com/eventlet/eventlet/issues/619, eventlet is incompatible with 2.0.0rc1 (and 2.0.0).

I'll push a patch to block this version.

[Rodolfo Alonso (rodolfo-alonso-hernandez)]

Actually this patch won't be needed: https://review.opendev.org/#/c/741986/ will pin dnspython to 1.16.0.

https://review.opendev.org/#/c/741986/1/upper-constraints.txt

We need to wait for this patch to be merged.

[Rodolfo Alonso (rodolfo-alonso-hernandez)]

Related bug: https://github.com/eventlet/eventlet/issues/629

Pushed patch: https://github.com/ralonsoh/eventlet/commit/46fc185c8f92008c65aef2713fc1445bfc5f6fec