Re: [Engine-devel] Question about API REST
On 09/03/2013 03:14 PM, Gustavo Frederico Temple Pedrosa wrote:
Hello everyone,
I'm adding the architecture meta-field of VMs, Templates and Clusters in REST API
(see change #16700 in gerrit). It's a read-only field (like a “final” in Java), that
the
administrator cannot change it, but there are some situations where there might be a
value for it, such as when an entity is received from the API, slightly modified and
then its update method is called. So I would like to ask these questions about how to
implement it:
not sure i follow, do you want it to be updatable or not?, can you elaborate a bit? do
1) Should this attribute be mapped both ways (from the REST API to the engine and
vice-versa)?
if you want it to be updateable, - yes.
2) How should this field be declared in the rdsl_metadata? Do I have to explicitly put it
in the optional arguments or should I omit it?
if they're valid for update - "put it in the optional arguments"
3) How can I make this field strictly immutable (like the ID field is),
currently we using immutability constraint in api for id only
given that the architecture is a field of the CPU entity, and the
methods used to check for invalid
updates can only operate on fields that belong directly to the main entity?
this is not a api logic, consider adding CAN-DO-ACTION check at UPDATE command instead.
Thanks.
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Michael Pasternak
RedHat, ENG-Virtualization R&D