glance: allow configuring the rbd app name

Instead of hardcoding it, let us override it with
values

Change-Id: Ifb8e5050d9fbcd7e5b40b2a5dcb4a2ce384ca195

glance/templates/bin/_storage-init.sh.tpl

@@ -50,7 +50,7 @@ elif [ "x$STORAGE_BACKEND" == "xrbd" ]; then
     ceph osd pool set "$1" size "${RBD_POOL_REPLICATION}"
     ceph osd pool set "$1" crush_rule "${RBD_POOL_CRUSH_RULE}"
   }
-  ensure_pool "${RBD_POOL_NAME}" "${RBD_POOL_CHUNK_SIZE}" "glance-image"
+  ensure_pool "${RBD_POOL_NAME}" "${RBD_POOL_CHUNK_SIZE}" "${RBD_POOL_APP_NAME}"
 
   if USERINFO=$(ceph auth get "client.${RBD_POOL_USER}"); then
     echo "Cephx user client.${RBD_POOL_USER} already exist."

glance/templates/job-storage-init.yaml

@@ -104,6 +104,8 @@ spec:
             {{- if eq .Values.storage "rbd" }}
             - name: RBD_POOL_NAME
               value: {{ .Values.conf.glance.glance_store.rbd_store_pool | quote }}
+            - name: RBD_POOL_APP_NAME
+              value: {{ .Values.conf.software.rbd.rbd_store_pool_app_name | quote }}
             - name: RBD_POOL_USER
               value: {{ .Values.conf.glance.glance_store.rbd_store_user | quote }}
             - name: RBD_POOL_REPLICATION

glance/values.yaml

@@ -121,6 +121,9 @@ network_policy:
       - {}
 
 conf:
+  software:
+    rbd:
+      rbd_store_pool_app_name: glance-image
   rally_tests:
     run_tempest: false
     tests: