[openstack-dev] [Horizon] [Cinder] [Nova] [Neutron] Gathering quota usage data in Horizon

Ivan Kolodyazhny e0ne at e0ne.info
Thu Dec 17 20:40:29 UTC 2015

Hi Timur,

Did you try this Cinder API [1]?  Here [2] is cinderclient output.

[2] http://paste.openstack.org/show/482225/

Ivan Kolodyazhny,

On Thu, Dec 17, 2015 at 8:41 PM, Timur Sufiev <tsufiev at mirantis.com> wrote:

> Hello, folks!
> I'd like to initiate a discussion of the feature request I'm going to make
> on behalf of Horizon to every core OpenStack service which supports Quota
> feature, namely Cinder, Nova and Neutron.
> Although all three services' APIs support special calls to get current
> quota limitations (Nova and Cinder allows to get and update both per-tenant
> and default cloud-wide limitations, Neutron allows to do it only for
> per-tenant limitations), there is no special call in any of these services
> to get current per-tenant usage of quota. Because of that Horizon needs to
> get, say for 'volumes' quota, a list of Cinder volumes in the current
> tenant and then just calculate its length [1]. When there are really a lot
> of entities in tenant - instances/volumes/security groups/whatever - all
> this calls sum up and make rendering pages in Horizon much more slower than
> it could be. Is it possible to provide special API calls to alleviate this?
> [1]
> https://github.com/openstack/horizon/blob/
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