Fix cinder backup secret

cinder-backup container should reference cinder-backup-rbd-keyring

not cinder-volume-rbd-keyring if the backend driver of cinder backup

is ceph.

Change-Id: Icb7f80a01fc332ee13a42533f8e41e447008c2f4

cinder/templates/deployment-backup.yaml

@@ -162,11 +162,18 @@ spec:
               subPath: external-backup-ceph.conf
               readOnly: true
             {{- end }}
+            {{- if eq .Values.conf.cinder.DEFAULT.backup_driver "cinder.backup.drivers.ceph" }}
+            - name: ceph-backup-keyring
+              mountPath: /tmp/client-keyring
+              subPath: key
+              readOnly: true
+            {{- else }}
             - name: ceph-keyring
               mountPath: /tmp/client-keyring
               subPath: key
               readOnly: true
             {{- end }}
+            {{- end }}
             {{- if eq .Values.conf.cinder.DEFAULT.backup_driver "cinder.backup.drivers.posix" }}
             - name: cinder-backup
               mountPath: {{ .Values.conf.cinder.DEFAULT.backup_posix_path }}