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+..
+ This work is licensed under a Creative Commons Attribution 3.0 Unported
+ License.
+
+ http://creativecommons.org/licenses/by/3.0/legalcode
+
+===================================
+Audit scoper for storage data model
+===================================
+
+https://blueprints.launchpad.net/watcher/+spec/audit-scoper-for-storage-data-model
+
+Problem description
+===================
+
+Storage cluster data model was introduced in Pike cycle. Since the model is
+different from compute data model, we need CDM scoper for storage cluster
+data model.
+
+Use Cases
+----------
+
+As a Watcher user, I want to restrict scope of storage cluster data model.
+
+Proposed change
+===============
+
+This spec adds storage cluster data model scoper which can restrict
+the followings.
+
+* storage availability zone
+
+* volume type
+
+* exclude
+
+  * volume
+
+  * storage pools
+
+  * volumes of project
+
+For adding it, we will implement as compute cluster data model scoper is
+implemented.
+
+* Add JSON schema in cinder cluster data model collector.
+
+* Add storage audit scope handler which overrides BaseScope class
+  and implements get_scoped_model method.
+
+Alternatives
+------------
+
+Strategy developer can restrict storage cluster data model
+in a strategy respectively.
+
+Data model impact
+-----------------
+
+None
+
+REST API impact
+---------------
+
+None
+
+Security impact
+---------------
+
+None
+
+Notifications impact
+--------------------
+
+None
+
+Other end user impact
+---------------------
+
+End user can define audit scope for storage cluster data model in audit
+template by specifying yaml or json file with --scope option in the same manner
+for compute cluster data model.
+
+Performance Impact
+------------------
+
+None
+
+Other deployer impact
+---------------------
+
+None
+
+Developer impact
+----------------
+
+None
+
+
+Implementation
+==============
+
+Assignee(s)
+-----------
+
+Primary assignee:
+  <adi-sky17>
+
+Other contributors:
+  <nakamura-h>
+
+Work Items
+----------
+
+* Add JSON schema in cinder cluster data model collector.
+
+* Add storage audit scope handler which overrides BaseScope class
+  and implements get_scoped_model method.
+
+
+Dependencies
+============
+
+None
+
+Testing
+=======
+
+Unit test will be added.
+
+Documentation Impact
+====================
+
+Update the help message in python-watcherclient, provide details how to add
+scope for storage data model.
+
+References
+==========
+
+None
+
+History
+=======
+
+None