[openstack-dev] [wsme] Undefined attributes in WSME

Kenichi Oomichi oomichi at mxs.nes.nec.co.jp
Tue Jan 14 02:52:22 UTC 2014


Hi Doug,

> -----Original Message-----
> From: Doug Hellmann [mailto:doug.hellmann at dreamhost.com]
> Sent: Tuesday, January 14, 2014 12:07 AM
> To: OpenStack Development Mailing List (not for usage questions)
> Subject: Re: [openstack-dev] [wsme] Undefined attributes in WSME
> 
> 
> 
> 
> On Mon, Jan 13, 2014 at 3:29 AM, Ken'ichi Ohmichi <ken1ohmichi at gmail.com> wrote:
> 
> 
> 	Hi Doug,
> 
> 	2014/1/11 Doug Hellmann <doug.hellmann at dreamhost.com>:
> 
> 	> On Thu, Jan 9, 2014 at 12:02 AM, Jamie Lennox <jamielennox at redhat.com>
> 	> wrote:
> 	>>
> 	>> Is there any way to have WSME pass through arbitrary attributes to the
> 	>> created object? There is nothing that i can see in the documentation or code
> 	>> that would seem to support this.
> 	>>
> 	>> In keystone we have the situation where arbitrary data was able to be
> 	>> attached to our resources. For example there are a certain number of
> 	>> predefined attributes for a user including name, email but if you want to
> 	>> include an address you just add an 'address': 'value' to the resource
> 	>> creation and it will be saved and returned to you when you request the
> 	>> resource.
> 	>>
> 	>> Ignoring whether this is a good idea or not (it's done), is the option
> 	>> there that i missed - or is there any plans/way to support something like
> 	>> this?
> 	>
> 	>
> 	> There's a change in WSME trunk (I don't think we've released it yet) that
> 	> allows the schema for a type to be changed after the class is defined. There
> 	> isn't any facility for allowing the caller to pass arbitrary data, though.
> 	> Part of the point of WSME is to define the inputs and outputs of the API for
> 	> validation.
> 
> 
> 	Is there a plan to release new WSME which includes new type classes?
> 	I'd like to try applying these classes to Ceilometer after the release because
> 	Ceilometer is the best for showing these classes' usage.
> 
> 
> 
> If you mean the feature I mentioned above, we will release it but I don't think it needs to be used in ceilometer. We
> designed that API so it doesn't change when plugins are installed. The feature was added for nova's requirements, since
> the types of the message payloads aren't known until all of the extensions are loaded.

I guess Ceilometer's BoundedInt can be replaced with wsme's IntegerType if new version
releases.
https://github.com/openstack/ceilometer/blob/master/ceilometer/api/controllers/v2.py#L85
https://github.com/stackforge/wsme/blob/master/wsme/types.py#L146

I'm sorry if I misunderstand something.


Thanks
Ken'ichi Ohmichi




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