zaqar-specs/specs/ussuri/query-queues-with-count.rst
Andreas Jaeger 64d0a2a0de Cleanup docs building
a few cleanups:
- Remove obsolete sections from setup.cfg
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Change-Id: I1ff3853020d69aeceb8b81c21ce608b269015ece
2020-06-10 07:49:15 +02:00

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=======================
Query Queues With Count
=======================
https://blueprints.launchpad.net/zaqar/+spec/query-queues-with-count
This will support query queues with 'with_count=true' filter, Zaqar will return
the amount of queues in backend storage. This feature will be very convenient
to users to know how many resources they own.
Problem description
===================
Currently, Zaqar can't return the amount of queues when querying the queue.
It depends on users themselves to calculate the number one by one. For other
clients or applications also need to do it after invoking Zaqar's API. Its
quite inconvenient for users or developers.
Proposed change
===============
Add a new query filter item named ``with_count``, default value is ``False``.
When querying queues with "with_count=true" in url, Zaqar will add the
function to calculate total number of queus in backend storage and
return the amount of queues in response body like "count=100".
API Impact
-----------
Query queue list:
.. code-block::
GET: /v2/queues?with_count=true
RESPONSE CODE: 200
RESPONSE BODY:
{
"count": 100,
"queues": [...]
}
Drawbacks
---------
None
Alternatives
------------
None
Implementation
==============
Assignee(s)
-----------
Primary assignee:
wanghao <sxmatch1986@gmail.com>
Secondary assignee:
None
Milestones
----------
Target Milestone for completion:
ussuri RC2
Work Items
----------
#. Modify transport code.
#. Add release note for this feature.
#. Update API reference.
#. Change unit, functional and tempest tests accordingly.
#. Add client support.
Dependencies
============
None
References
==========
None