Merge "Fix image from volume upload ERRORs and WARNINGs with Ceph RBD"

ansible/roles/cinder/templates/cinder.conf.j2

@@ -137,7 +137,6 @@ rados_connect_timeout = 5
 rbd_user = {{ ceph_cinder_user }}
 rbd_secret_uuid = {{ cinder_rbd_secret_uuid }}
 report_discard_supported = True
-image_upload_use_cinder_backend = True
 {% endif %}
 
 {% if enable_cinder_backend_nfs | bool %}

releasenotes/notes/bug-1991516-cc280aa71e8dc417.yaml

+---
+upgrade:
+  - |
+    ``image_upload_use_cinder_backend = True`` is no longer set on the
+    Cinder's default Ceph RBD backend, the common upstream default is
+    now used (``False`` currently).
+    See also `LP#1991516 <https://launchpad.net/bugs/1991516>`__
+fixes:
+  - |
+    ``image_upload_use_cinder_backend = True`` is no longer set on the
+    Cinder's default Ceph RBD backend. Related ERRORs and WARNINGs in
+    Cinder and Glance logs are prevented.
+    `LP#1991516 <https://launchpad.net/bugs/1991516>`__