Add support for backup user ID

Backup user_id was added with microversion 3.56 but never added to the
client. Added in Rocky with I3ffb544ef3ee65276cee8b1e870d524fd0e57085.

Change-Id: Ib9a4159db0f8af599dcf8315334de4f859be077e
Signed-off-by: Sean McGinnis <sean.mcginnis@gmail.com>

cinderclient/api_versions.py

@@ -29,7 +29,7 @@ LOG = logging.getLogger(__name__)
 # key is a deprecated version and value is an alternative version.
 DEPRECATED_VERSIONS = {"1": "2"}
 DEPRECATED_VERSION = "2.0"
-MAX_VERSION = "3.55"
+MAX_VERSION = "3.56"
 MIN_VERSION = "3.0"
 
 _SUBSTITUTIONS = {}

cinderclient/v3/shell.py

@@ -181,6 +181,9 @@ def do_backup_list(cs, args):
     shell_utils.translate_volume_snapshot_keys(backups)
     columns = ['ID', 'Volume ID', 'Status', 'Name', 'Size', 'Object Count',
                'Container']
+    if cs.api_version >= api_versions.APIVersion('3.56'):
+        columns.append('User ID')
+
     if args.sort:
         sortby_index = None
     else:

releasenotes/notes/backup-user-id-059ccea871893a0b.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Starting with API microversion 3.56, ``backup-list`` and ``backup-show``
+    will include the ``User ID`` denoting the user that created the backup.