Update the cinder backend sample

Replace using a secret to store the username and password used by
the cinder backend with jinja2 variables that are automatically
filled in the by glance-operator.

Author: ASBishop

config/samples/backends/cinder/glance-common/glance-cinder-secret.yaml

@@ -17,10 +17,11 @@ spec:
         [default_backend]
         rootwrap_config = /etc/glance/rootwrap.conf
         description = Default cinder backend
+        cinder_store_user_name = {{ .ServiceUser }}
+        cinder_store_password = {{ .ServicePassword }}
+        cinder_store_project_name = service
         cinder_catalog_info = volumev3::internalURL
         cinder_use_multipath = true
-      customServiceConfigSecrets:
-        - osp-glance-cinder-secret
       databaseInstance: openstack
       glanceAPIs:
         default:

config/samples/backends/cinder/glance-common/glance.yaml

@@ -1,8 +1,5 @@
 apiVersion: kustomize.config.k8s.io/v1alpha1
 kind: Component
 
-resources:
-  - glance-cinder-secret.yaml
-
 patches:
   - path: glance.yaml