cinder-volume.service crashes: no module named 'wrapt'

[Evan]

Using Ubuntu openstack and ran into this error when setting up my storage node.

Looks like the cinder-volume.service crashes when debtcollector/removals.py tries to import the wrapt module.

Confusingly, appears the wrapt module is already installed. I can enter python3 and type "import wrapt" without error. Any suggestions? Thank you for the assistance.

     Feb 22 05:03:21 storage1 cinder-volume[6432]: from debtcollector import removals
        Feb 22 05:03:21 storage1 cinder-volume[6432]: File "/usr/local/lib/python3.8/dist-packages/debtcollector/removals.py", line 18, in <module>
        Feb 22 05:03:21 storage1 cinder-volume[6432]: import wrapt
        Feb 22 05:03:21 storage1 cinder-volume[6432]: ModuleNotFoundError: No module named 'wrapt'
        Feb 22 05:03:21 storage1 systemd[1]: cinder-volume.service: Main process exited, code=exited, status=1/FAILURE
        Feb 22 05:03:21 storage1 systemd[1]: cinder-volume.service: Failed with result 'exit-code'.
        Feb 22 05:03:21 storage1 systemd[1]: cinder-volume.service: Scheduled restart job, restart counter is at 4.
        Feb 22 05:03:21 storage1 systemd[1]: Stopped OpenStack Cinder Volume.
        Feb 22 05:03:21 storage1 systemd[1]: Started OpenStack Cinder Volume.
        Feb 22 05:03:22 storage1 cinder-volume[6437]: Traceback (most recent call last):
        Feb 22 05:03:22 storage1 cinder-volume[6437]: File "/usr/bin/cinder-volume", line 6, in <module>
        Feb 22 05:03:22 storage1 cinder-volume[6437]: from cinder.cmd.volume import main
        Feb 22 05:03:22 storage1 cinder-volume[6437]: File "/usr/lib/python3/dist-packages/cinder/cmd/volume.py", line 43, in <module>
        Feb 22 05:03:22 storage1 cinder-volume[6437]: from oslo_config import cfg
        Feb 22 05:03:22 storage1 cinder-volume[6437]: File "/usr/local/lib/python3.8/dist-packages/oslo_config/cfg.py", line 45, in <module>
        Feb 22 05:03:22 storage1 cinder-volume[6437]: from oslo_config import types
        Feb 22 05:03:22 storage1 cinder-volume[6437]: File "/usr/local/lib/python3.8/dist-packages/oslo_config/types.py", line 28, in <module>
        Feb 22 05:03:22 storage1 cinder-volume[6437]: from debtcollector import removals
        Feb 22 05:03:22 storage1 cinder-volume[6437]: File "/usr/local/lib/python3.8/dist-packages/debtcollector/removals.py", line 18, in <module>
        Feb 22 05:03:22 storage1 cinder-volume[6437]: import wrapt
        Feb 22 05:03:22 storage1 cinder-volume[6437]: ModuleNotFoundError: No module named 'wrapt'
        Feb 22 05:03:22 storage1 systemd[1]: cinder-volume.service: Main process exited, code=exited, status=1/FAILURE
        Feb 22 05:03:22 storage1 systemd[1]: cinder-volume.service: Failed with result 'exit-code'.
        Feb 22 05:03:22 storage1 systemd[1]: cinder-volume.service: Scheduled restart job, restart counter is at 5.
        Feb 22 05:03:22 storage1 systemd[1]: Stopped OpenStack Cinder Volume.
        Feb 22 05:03:22 storage1 systemd[1]: cinder-volume.service: Start request repeated too quickly.
        Feb 22 05:03:22 storage1 systemd[1]: cinder-volume.service: Failed with result 'exit-code'.
        Feb 22 05:03:22 storage1 systemd[1]: Failed to start OpenStack Cinder Volume.

[Sofia Enriquez (lsofia-enriquez)]

Greetings,
This isn't a Cinder bug. Looks like a problem with debtcollector or the environment you're using. I'm not an expert but I would check the installation tool. Thanks.
Best Regards