Authentication Fails upon openstack compute service list Command Execution

Symptom

When the openstack compute service list command is executed, the error message "The server is currently unavailable. The Keystone service is temporarily unavailable." is displayed.

Key Process and Cause Analysis

The Nova password is incorrect.

Conclusion and Solution

1. Reconfigure the Nova password.

   openstack user set --password NEW_PASSWORD USERNAME

2. Check and correct the content of [keystone_authtoken] in the /etc/nova/nova.conf file.

   

3. Restart the service for the modification to take effect.

   systemctl restart openstack-nova-api.service openstack-nova-scheduler.service openstack-nova-conductor.service