[ovirt-devel] Vdsm api package

[Sandro Bonazzola]

Il 29/Mar/2016 20:02, "Nir Soffer" <nsoffer at redhat.com> ha scritto:
>
> Hi all,
>
> In the Vdsm call, we discussed a way to expose vdsm errors to its clients
> (e.g, engine, hosted engine agent/setup).
>
> The idea is to have a vdsmapi package, holding:
> - errors.py - all public errors
> - events.py - all events sent by vdsm
> - client.py - library for communicating with vdsm
> - schema.py - the client will use this to autogenerate online help and
> validate messages
> - schema.yaml - we probably need several files (gluster, events, etc.)
>
> This will allow other projects talking with vdsm to do:
>
>     from vdsmapi import client, errors
>     ...
>     try:
>         client.list(vmId="xxxyyy")
>     except errors.NoSuchVM:
>         ...
>
> (this is a fake example, the real api may be different)
>
> Engine can build-require vdsmapi, and generate java module with the
> public errors from
> vdsmapi/errors.py module, instead of keeping this hardcoded in engine,
> and updating
> it every time vdsm adds new public error.
>
> Vdsm will use this package when building response to clients.
>
> Edi was concerned about sharing the errors module, so maybe we need a
package:
>
> vdsmapi/
>     errors/
>         network.py
>         virt.py
>         storage.py
>         gluster.py
>
> We can still expose all the errors via errors/__init__.py, so clients
> do not have to care about
> the area of the application the error come from.
>
> Thoughts?

For which version is this proposal targeted? 4.1?


>
> Nir
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