Open Stack

On 08/25/2015 07:38 PM, Chris Dent wrote:
>
> WSME version 0.8.0 was released today with several fixes to error
> handling and error messages. These fixes make WSME behave more in
> the way it says it would like to behave (and should behave) with
> regard to input validation and HTTP handling. You want these
> changes.
>
> Unfortunately we've discovered since the release that it causes test
> failures in Ceilometer, Aodh and Ironic so it may also cause some
> issues in other services.
>
> The two main issues are:
>
> * More detailed input validation can result in the body of a 4xx
>    response having changed to reflect increased detail of the
>    problem. If you have tests which check this response body, they
>    may now break.
>
> * Formerly, input validation would allow unused fields to pass through
>    and be dropped. This is now, as a virtue of more strict processing
>    throughout the validation handling, considered a client-side error.

Note that this is an API breaking change, which can potentially break 
random users of all projects using wsme. I think we should communicate 
this point a bit louder, and I also believe it should have warranted a 
major version bump.

>
> There may also be situations where a 500 had been returned in the
> past but now a more correct status code in the 4xx range is
> returned.
>
> Fixes for ceilometer and ironic are pending and may provide some
> guidance on fixes other projects might need to do:
>
> * Ironic: https://review.openstack.org/216802
> * Ceilometer: https://review.openstack.org/#/c/208467/
>