Open Stack

Hi Brent,

Unfortunately that is not possible. The feature mentioned by Vahric,
driver_filter, is a 'driver' custom filter capability. I.e., the vendor
driver must implement that in order to be possible to use (surely, nothing
holds you from implementing in the driver if your vendor does not supports
it). You are trying to filter based in the volume size, the exiting
filters, filter based in the host's available size not the volume.

About the tenant filtering, the closest solution I can think of is is you
create a volume type associated with the backend you want to cast volumes o
the tenant, and then remove the permissions of all other available
volume-types so, the tenant only sees that volume type.

Can you give the reason why you need to filter like that? This could be a
good addition to future Cinder features.

Erlon

On Thu, Feb 25, 2016 at 7:57 PM, Brent Troge <brenttroge2016 at gmail.com>
wrote:

> yeah, i have read through those, plus i did some reading through the
> actual code of all kilo/stable cinder filters
>
> i any case i think i have a good path forward, just need to start testing
> to understand this a bit more.
>
> thanks for taking the time to assist.
>
>
> On Thu, Feb 25, 2016 at 9:13 AM, Vahric Muhtaryan <vahric at doruk.net.tr>
> wrote:
>
>> I found this
>>
>>
>> http://docs.openstack.org/admin-guide-cloud/blockstorage-driver-filter-weighing.html
>>
>> And this
>>
>>
>> https://blueprints.launchpad.net/cinder/+spec/filtering-weighing-with-driver-supplied-functions
>>
>> From: Brent Troge <brenttroge2016 at gmail.com>
>> Date: Thursday 25 February 2016 at 16:17
>> To: "openstack at lists.openstack.org" <openstack at lists.openstack.org>
>> Subject: [Openstack] Cinder Multiple Backends - Filter On Tenant
>>
>> I need the cinder filter to support directing volumes to a specific
>> backend based on tenant id and volume size.
>>
>> Something like:
>>
>> # tenant specific backend
>> [backend-1]
>> filter = (volume_size > 100G) && (tenant_id == abc123)
>>
>> # all others
>> [backend-2]
>> filter = (volume_size < 100G)
>>
>>
>>
>> Is this possible with the current set of kilo stable cinder filters ?
>>
>> Thanks in advance.
>>
>>
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>
>
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