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[Timur Sufiev <tsufiev@xxxxxxxxxxxx>]

Public bug reported:

The existing Neutron Quota API call [1] misses the option to fetch
'in_use' values for each type of quotable resources, alongside with
their quota limits. Consequently, Horizon web app has to request a list
of every resource that is quotable [2], which is pretty inefficient. The
desired feature on the Neutron side would be to support 'in_use' return
values in call [1], so that it behaves similar to [3, 4]. Whether or not
the 'reserved' return values (again, see [3, 4]) should be supported in
the same call is out of the scope of this particular feature request,
but it certainly won't hurt if reserving quotable resources makes sense
for Neutron.


[1] http://developer.openstack.org/api-ref-networking-v2-ext.html#listQuotasForTenant
[2] https://github.com/openstack/horizon/blob/10.0.0.0b1/openstack_dashboard/usage/quotas.py#L313-L336
[3] http://developer.openstack.org/api-ref-blockstorage-v2.html#showQuota
[4] http://developer.openstack.org/api-ref-compute-v2.1.html#listDetailQuotas

** Affects: neutron
     Importance: Undecided
     Assignee: Sergey Belous (sbelous)
         Status: New


** Tags: quotas rfe

** Tags added: quotas rfe

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https://bugs.launchpad.net/bugs/1599488

Title:
  [RFE] Enhance Quota API calls to return resource usage per tenant

Status in neutron:
  New

Bug description:
  The existing Neutron Quota API call [1] misses the option to fetch
  'in_use' values for each type of quotable resources, alongside with
  their quota limits. Consequently, Horizon web app has to request a
  list of every resource that is quotable [2], which is pretty
  inefficient. The desired feature on the Neutron side would be to
  support 'in_use' return values in call [1], so that it behaves similar
  to [3, 4]. Whether or not the 'reserved' return values (again, see [3,
  4]) should be supported in the same call is out of the scope of this
  particular feature request, but it certainly won't hurt if reserving
  quotable resources makes sense for Neutron.

  
  [1] http://developer.openstack.org/api-ref-networking-v2-ext.html#listQuotasForTenant
  [2] https://github.com/openstack/horizon/blob/10.0.0.0b1/openstack_dashboard/usage/quotas.py#L313-L336
  [3] http://developer.openstack.org/api-ref-blockstorage-v2.html#showQuota
  [4] http://developer.openstack.org/api-ref-compute-v2.1.html#listDetailQuotas

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