This is a new warning in antelope. The charms that use keystone likely all need updates.
The upstream change that introduced the 54 character limit is:
https://review.opendev.org/c/openstack/keystone/+/828595
/var/log/keystone/keystone.log shows:
(keystone.common.password_hashing): 2023-03-27 12:32:31,705 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:31,707 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:35,581 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:35,581 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:38,034 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:38,035 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:39,034 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:39,035 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:46,324 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:46,324 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:50,818 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:50,820 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:53,435 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:53,435 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:54,444 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:32:54,444 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:33:01,287 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:33:01,287 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:33:05,449 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:33:05,450 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:33:07,978 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:33:07,979 WARNING Truncating user password to 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:33:08,962 WARNING Truncating password to algorithm specific maximum length 54 characters.
(keystone.common.password_hashing): 2023-03-27 12:33:08,963 WARNING Truncating user password to 54 characters.
