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so when i was following Openstack Yoga installation i got error adding nova-conductor and nova-scheduler.enter image description here when i read conductor's log, it said

CRITICAL nova [-] Unhandled error: keystoneauth1.exceptions.auth_plugins.MissingAuthPlugin: An auth plugin is required to determine endpoint URL

i don't know how to fix this, please help me thanks

edit: after reading conductor and scheduler's log, i've found another error:

amqp.exceptions.AccessRefused: (0, 0): (403) ACCESS_REFUSED - Login was refused using authentication mechanism AMQPLAIN. For details see the broker logfile.

Huỳnh Nam
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1 Answers1

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Did you find the solution for this ? I was facing the same missing auth_plugin error in nova-conductor.log. I am a noob myself. Nova-conductor and scheduler services weren't starting. I am installing Antelope on Ubuntu 22.04.

Error

2023-11-09 16:38:53.004 39172 ERROR nova.conductor.manager [-] Fatal error initializing placement client; config is incorrect or incomplete: An auth plugin is required to determine endpoint URL: keystoneauth1.exceptions.auth_plugins.MissingAuthPlugin: An auth plugin is required to determine endpoint URL
2023-11-09 16:38:53.004 39172 CRITICAL nova [-] Unhandled error: keystoneauth1.exceptions.auth_plugins.MissingAuthPlugin: An auth plugin is required to determine endpoint URL

https://docs.openstack.org/nova/2023.2/install/controller-install-rdo.html,
As per this link, I put the placement section in the nova-api.conf file and that fixed it.

systemctl -l | grep nova
  nova-api.service                                                                          loaded active running   OpenStack Compute API
  nova-conductor.service                                                                    loaded active running   OpenStack Compute Conductor
  nova-novncproxy.service                                                                   loaded active running   OpenStack Compute novncproxy
  nova-scheduler.service                                                                    loaded active running   OpenStack Compute Scheduler

I can query the compute api with openstack compute service list

Hope this helps.

Best, J

jnan
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