nova/api-ref/source/os-assisted-volume-snapshots.inc
Chen Fan f27a0e7ccc api-ref: unify the no response output in delete operation
Change-Id: Ia90a5ef1cd1b432e68130313960a015b45fe63e0
Implements: blueprint api-ref-in-rst
2016-07-25 16:13:45 +08:00

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.. -*- rst -*-
==========================================================
Assisted volume snapshots (os-assisted-volume-snapshots)
==========================================================
Creates and deletes snapshots through an emulator/hypervisor. Only qcow2
file format is supported.
This API is only implemented by the libvirt compute driver.
An internal snapshot that lacks storage such as NFS or GlusterFS can use
an emulator/hypervisor to add the snapshot feature.
This is used to enable snapshot of volumes on backends such as NFS or
GlusterFS by storing data as qcow2 files on these volumes.
This API is only ever called by Cinder, where it is used to create a snapshot
for drivers that extend the remotefs Cinder driver.
Create Assisted Volume Snapshots
================================
.. rest_method:: POST /os-assisted-volume-snapshots
Creates an assisted volume snapshot.
Normal response codes: 200
Error response codes: badRequest(400),unauthorized(401), forbidden(403)
Request
-------
.. rest_parameters:: parameters.yaml
- snapshot: snapshot
- volume_id: volume_id
- create_info: create_info
- create_info.snapshot_id: snapshot_id
- create_info.type: type-os-assisted-volume-snapshot
- create_info.new_file: new_file
- create_info.id: create_info_id
**Example Create Assisted Volume Snapshots: JSON request**
.. literalinclude:: ../../doc/api_samples/os-assisted-volume-snapshots/snapshot-create-assisted-req.json
:language: javascript
Response
--------
.. rest_parameters:: parameters.yaml
- snapshot: snapshot
- id: create_info_id_resp
- volumeId: volume_id
**Example Create Assisted Volume Snapshots: JSON response**
.. literalinclude:: ../../doc/api_samples/os-assisted-volume-snapshots/snapshot-create-assisted-resp.json
:language: javascript
Delete Assisted Volume Snapshot
===============================
.. rest_method:: DELETE /os-assisted-volume-snapshots/{snapshot_id}
Deletes an assisted volume snapshot.
To make this request, add the ``delete_info`` query parameter to the URI, as follows:
DELETE /os-assisted-volume-snapshots/421752a6-acf6-4b2d-bc7a-119f9148cd8c?delete_info='{"volume_id": "521752a6-acf6-4b2d-bc7a-119f9148cd8c"}'
Normal response codes: 204
Error response codes: badRequest(400), unauthorized(401), forbidden(403),
itemNotFound(404)
Request
-------
.. rest_parameters:: parameters.yaml
- snapshot_id: snapshot_id_path
- delete_info: delete_info
Response
--------
There is no body content for the response of a successful DELETE query