Open Stack

On 08/28/2015 08:32 AM, Julien Danjou wrote:
> On Fri, Aug 28 2015, Chris Dent wrote:
>
>> This morning I kicked off a quick spec for replacing WSME in
>> Ceilometer with ... something:
>>
>>      https://review.openstack.org/#/c/218155/
>>
>> This is because not only is WSME not that great, it also results in
>> controller code that is inscrutable.
>>
>> The problem with the spec is that it doesn't know what to replace
>> WSME with.
>>
>> So, for your Friday afternoon pleasure I invite anyone with an
>> opinion to hold forth on what framework they would choose. The spec
>> lists a few options but please feel to not limit yourself to those.
>>
>> If you just want to shoot the breeze please respond here. If you
>> have specific comments on the spec please response there.
>
> For Gnocchi we've been relying on voluptuous¹ for data validation, and
> Pecan as the rest of the framework – like what's used in Ceilometer and
> consors.
>
> I find it a pretty good option, more Pythonic than JSON Schema – which
> has its pros and cons too.
>
> What I'm not happy with is actually Pecan, as I find the routing system
> way too much complex in the end. I think I'd prefer to go with something
> like Flask finally.
>
>> P.S: An option not listed, and one that may make perfect sense for
>> ceilometer (but perhaps not aodh), is to do nothing and consider the
>> v2 api "legacy".
>
> This is going to happen in a few cycles I hope for Ceilometer.
>
> ¹  https://pypi.python.org/pypi/voluptuous

We use voluptuous in Infra for data validation and have been very 
pleased with it.