Merge "Fixed wrong when condition in mounting staging location"

puppet/services/glance-api.yaml

@@ -383,7 +383,7 @@ outputs:
             glance_nfs_options: {get_param: GlanceStagingNfsOptions}
           # Gleaning mount point by stripping "file://" prefix from staging uri
           mount: name="{{glance_node_staging_uri[7:]}}" src="{{glance_staging_nfs_share}}" fstype=nfs opts="{{glance_nfs_options}}" state=mounted
-          when: glance_staging_nfs_share
+          when: glance_staging_nfs_share != ''
 
       upgrade_tasks:
         - name: Check if glance_api is deployed