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Comments for Document: Open Cloud Computing Interface - RESTful HTTP Rendering
|Author(s):||T. Metsch, A. Edmonds|
|Public Comment End:||28 Mar, 2011|
I would like to see an additional filtering mechanism based on OCCI-attribute values. I.e. a combination of the Kind/Mixin category id which defines the attribute and a filter value for the attribute. E.g.:
GET /compute/ HTTP/1.0
Category: compute; scheme="..."
The necessary changes to the specification would be minimal.
With this addition it would be possible to implement user credentials as a Mixin. For example (using HTTP rendering syntax):
Category: owner; scheme=".../credentials#"; class="mixin";
Then it would be possible to find all resource instances owned by user 'foo' through the following request:
GET / HTTP/1.0
Category: owner; scheme=".../credentials#"
I propose to change the spec so that only mutable attributes are listed in the query interface.
Another solution would be to add some flagging system which tells whether an attribute is required and/or mutable but that would complicate the syntax.