glance/api-ref/source/v2/discovery.inc
anguoming cb60c1d2fa remove expired notes for Multi Store feature
The Multi Store feature is stable for server versions, need delete the EXPERIMENTAL notes in api guide.

Change-Id: Ifff797387ec06e8a1c0da13ebd722df0b993d672
2022-08-10 15:17:47 +08:00

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.. -*- rst -*-
Image Service Info (Discovery)
******************************
General information
~~~~~~~~~~~~~~~~~~~
These calls allow you to discover useful information about what
services you may consume from a particular deployment of the
OpenStack Image Service.
.. _import-discovery-call:
Import methods and values discovery
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. rest_method:: GET /v2/info/import
Returns information concerning the constraints around image import in
the cloud in which the call is made, for example, supported container
formats, supported disk formats, maximum image size, etc. This call
contains a ``import-methods`` field consisting of an array of string
identifiers indicating what import methods are supported in the cloud
in which the call is made.
*(Since Image API v2.6)*
.. note::
In the Image API v2.6-2.8, this discovery call contains
**only** the ``import-methods`` field.
Normal response codes: 200
Error response codes: 400, 401, 403
Request
-------
There are no request parameters.
This call does not allow a request body.
Response Parameters
-------------------
.. rest_parameters:: images-parameters.yaml
- import-methods: import-methods
Response Example
----------------
.. literalinclude:: samples/image-info-import-response.json
:language: json
.. _store-discovery-call:
List stores
~~~~~~~~~~~
.. rest_method:: GET /v2/info/stores
A multiple store backend support is introduced in the Rocky release
as a part of the EXPERIMENTAL Image API v2.8.
In version 2.7 of the API, this call will return a 404 (Not Found).
Use the :ref:`API versions call <versions-call>` to determine
what API versions are available in your cloud.
Normal response codes: 200
Error response codes: 404
Request
-------
There are no request parameters.
This call does not allow a request body.
Response Parameters
-------------------
.. rest_parameters:: discovery-parameters.yaml
- stores: stores
Response Example
----------------
.. literalinclude:: samples/stores-list-response.json
:language: json
Quota usage
~~~~~~~~~~~
.. rest_method:: GET /v2/info/usage
The user's quota and current usage are displayed, if enabled by
server-side configuration.
Normal response codes: 200
Request
-------
There are no request parameters.
This call does not allow a request body.
Response Example
----------------
.. literalinclude:: samples/usage-response.json
:language: json
List stores detail
~~~~~~~~~~~~~~~~~~
.. rest_method:: GET /v2/info/stores/detail
Lists all the backend stores, with detail, accessible to admins,
for non-admin user API will return bad request.
Normal response codes: 200
Error response codes: 403, 404
Request
-------
There are no request parameters.
This call does not allow a request body.
Response Parameters
-------------------
.. rest_parameters:: discovery-parameters.yaml
- stores: stores-detail
Response Example
----------------
.. literalinclude:: samples/stores-list-detail-response.json
:language: json