cinder-manage traceback on missing action

[Gorka Eguileor]

Running the cinder-manage command with a category but without an action will throw a Traceback.

$ cinder-manage backup
2020-11-04 10:44:49.541 9465 CRITICAL cinder [-] Unhandled error: oslo_config.cfg.NoSuchOptError: no such option action_fn in group [DEFAULT]
2020-11-04 10:44:49.541 9465 ERROR cinder Traceback (most recent call last):
2020-11-04 10:44:49.541 9465 ERROR cinder File "/home/geguileo/code/stack/cinder/.tox/py37/lib/python3.7/site-packages/oslo_config/cfg.py", line 3188, in __getattr__
2020-11-04 10:44:49.541 9465 ERROR cinder return getattr(self._conf._namespace, name)
2020-11-04 10:44:49.541 9465 ERROR cinder AttributeError: '_Namespace' object has no attribute 'action_fn'
2020-11-04 10:44:49.541 9465 ERROR cinder
2020-11-04 10:44:49.541 9465 ERROR cinder During handling of the above exception, another exception occurred:
2020-11-04 10:44:49.541 9465 ERROR cinder
2020-11-04 10:44:49.541 9465 ERROR cinder Traceback (most recent call last):
2020-11-04 10:44:49.541 9465 ERROR cinder File "/home/geguileo/code/stack/cinder/.tox/py37/bin/cinder-manage", line 10, in <module>
2020-11-04 10:44:49.541 9465 ERROR cinder sys.exit(main())
2020-11-04 10:44:49.541 9465 ERROR cinder File "/home/geguileo/code/stack/cinder/cinder/cmd/manage.py", line 885, in main
2020-11-04 10:44:49.541 9465 ERROR cinder fn = CONF.category.action_fn
2020-11-04 10:44:49.541 9465 ERROR cinder File "/home/geguileo/code/stack/cinder/.tox/py37/lib/python3.7/site-packages/oslo_config/cfg.py", line 3190, in __getattr__
2020-11-04 10:44:49.541 9465 ERROR cinder raise NoSuchOptError(name)
2020-11-04 10:44:49.541 9465 ERROR cinder oslo_config.cfg.NoSuchOptError: no such option action_fn in group [DEFAULT]
2020-11-04 10:44:49.541 9465 ERROR cinder

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.opendev.org/761390

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/cinder 18.0.0.0b1 development milestone.