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On 09/15/2014 05:02 AM, Abbass MAROUNI wrote:
> Thanks Jay,
>
> Does it require any admin rights to do a custom query on the Nova
> database ? And if so do you know where to look for such a query ? Which
> part of the nova code to include in the filter ?

I'm not talking about doing something via the public HTTP API... I'm 
talking about making a direct database query for our cinder information 
directly from your Nova scheduler filter class.

Best,
jay

> Best Regards,
>
>
> On 09/13/2014 02:00 PM, openstack-request at lists.openstack.org wrote:
>> OK, so not a normal user, but instead a service user (service being
>> cinder itself).
>>
>> If this is a custom filter, I'd just go ahead and have the Cinder filter
>> to a custom query on the Nova database instead of using the
>> os-hypervisors API extension. I know that sounds like it's just adding
>> technical debt to your solution, but honestly, the os-hypervisors API
>> extension uses some questionable "queries" to construct its output.
>> Specifically, it queries all the Service objects, and then outputs the
>> first compute node matching the service_id in the compute_nodes table.
>> If there's >1 compute node on the host, the behaviour is entirely
>> undefined in the API extension.
>>
>> Best,
>> -jay
>