manila/api-ref/source/snapshots.inc
Clinton Knight d4a379d083 Implement share revert to snapshot
This commit adds the ability for Manila to revert a
share to the latest available snapshot.

The feature is implemented in the LVM driver, for
testing purposes.

APIImpact
DocImpact
Co-Authored-By: Ben Swartzlander <ben@swartzlander.org>
Co-Authored-By: Andrew Kerr <andrew.kerr@netapp.com>
Implements: blueprint manila-share-revert-to-snapshot
Change-Id: Id497e13070e0003db2db951526a52de6c2182cca
2017-01-17 15:06:01 -05:00

432 lines
9.5 KiB
ReStructuredText

.. -*- rst -*-
===============
Share snapshots
===============
Use the shared file service to make snapshots of shares. A share
snapshot is a point-in-time, read-only copy of the data that is
contained in a share. You can create, manage, update, and delete
share snapshots. After you create or manage a share snapshot, you
can create a share from it. You can also revert a share to its most
recent snapshot.
You can update a share snapshot to rename it, change its
description, or update its state to one of these supported states:
- ``available``
- ``error``
- ``creating``
- ``deleting``
- ``error_deleting``
- ``manage_starting``
- ``manage_error``
- ``unmanage_starting``
- ``unmanage_error``
- ``restoring``
As administrator, you can also reset the state of a snapshot and
force-delete a share snapshot in any state. Use the ``policy.json``
file to grant permissions for these actions to other roles.
List share snapshots
====================
.. rest_method:: GET /v2/{tenant_id}/snapshots
Lists all share snapshots.
Normal response codes: 200
Error response codes: badRequest(400), unauthorized(401)
Request
-------
.. rest_parameters:: parameters.yaml
- tenant_id: tenant_id_path
Response parameters
-------------------
.. rest_parameters:: parameters.yaml
- id: snapshot_id
- name: snapshot_name
Response example
----------------
.. literalinclude:: samples/snapshots-list-response.json
:language: javascript
List share snapshots with details
=================================
.. rest_method:: GET /v2/{tenant_id}/snapshots/detail
Lists all share snapshots with details.
Normal response codes: 200
Error response codes: badRequest(400), unauthorized(401)
Request
-------
.. rest_parameters:: parameters.yaml
- tenant_id: tenant_id_path
Response parameters
-------------------
.. rest_parameters:: parameters.yaml
- id: snapshot_id
- status: snapshot_status
- share_id: snapshot_share_id
- name: snapshot_name
- description: snapshot_description
- created_at: snapshot_created_at
- share_proto: snapshot_share_protocol
- share_size: snapshot_share_size
- size: snapshot_size
Response example
----------------
.. literalinclude:: samples/snapshots-list-detailed-response.json
:language: javascript
Show share snapshot details
===========================
.. rest_method:: GET /v2/{tenant_id}/snapshots/{snapshot_id}
Shows details for a share snapshot.
Normal response codes: 200
Error response codes: badRequest(400), unauthorized(401), itemNotFound(404)
Request
-------
.. rest_parameters:: parameters.yaml
- tenant_id: tenant_id_path
- snapshot_id: snapshot_id_path
Response parameters
-------------------
.. rest_parameters:: parameters.yaml
- id: snapshot_id
- status: snapshot_status
- share_id: snapshot_share_id
- name: snapshot_name
- description: snapshot_description
- created_at: snapshot_created_at
- share_proto: snapshot_share_protocol
- share_size: snapshot_share_size
- size: snapshot_size
Response example
----------------
.. literalinclude:: samples/snapshot-show-response.json
:language: javascript
Create share snapshot
=====================
.. rest_method:: POST /v2/{tenant_id}/snapshots
Creates a snapshot from a share.
Normal response codes: 200
Error response codes: badRequest(400), unauthorized(401), forbidden(403),
itemNotFound(404), unprocessableEntity(422)
Request
-------
.. rest_parameters:: parameters.yaml
- tenant_id: tenant_id_path
- share_id: snapshot_share_id_request
- force: force_snapshot_request
- name: snapshot_name_request
- display_name: snapshot_display_name
- description: snapshot_description_request
- display_description: snapshot_display_description
Request example
---------------
.. literalinclude:: samples/snapshot-create-request.json
:language: javascript
Response parameters
-------------------
.. rest_parameters:: parameters.yaml
- id: snapshot_id
- share_id: snapshot_share_id
- status: snapshot_status
- name: snapshot_name
- description: snapshot_description
- created_at: snapshot_created_at
- share_proto: snapshot_share_protocol
- share_size: snapshot_share_size
- provider_location: snapshot_provider_location
- size: snapshot_size
Response example
----------------
.. literalinclude:: samples/snapshot-create-response.json
:language: javascript
Manage share snapshot
=====================
.. rest_method:: POST /v2/{tenant_id}/snapshots/manage
(Since API v2.12) Configures Shared File Systems to manage a share snapshot.
Normal response codes: 200
Error response codes: badRequest(400), unauthorized(401), forbidden(403),
itemNotFound(404), conflict(409)
Request
-------
.. rest_parameters:: parameters.yaml
- tenant_id: tenant_id_path
- share_id: snapshot_manage_share_id
- provider_location: snapshot_provider_location_request
- name: snapshot_name_request
- display_name: snapshot_display_name
- description: snapshot_description_request
- display_description: snapshot_display_description
- driver_options: driver_options
Request example
---------------
.. literalinclude:: samples/snapshot-manage-request.json
:language: javascript
Response parameters
-------------------
.. rest_parameters:: parameters.yaml
- id: snapshot_id
- share_id: snapshot_share_id
- status: snapshot_manage_status
- name: snapshot_name
- description: snapshot_description
- created_at: snapshot_created_at
- share_proto: snapshot_share_protocol
- share_size: snapshot_share_size
- provider_location: snapshot_provider_location
- size: snapshot_size
Response example
----------------
.. literalinclude:: samples/snapshot-manage-response.json
:language: javascript
Unmanage share snapshot
=======================
.. rest_method:: POST /v2/{tenant_id}/snapshots/{snapshot_id}/action
(Since API v2.12) Configures Shared File Systems to stop managing a share snapshot.
Normal response codes: 202
Error response codes: badRequest(400), unauthorized(401), forbidden(403),
itemNotFound(404), conflict(409)
Request
-------
.. rest_parameters:: parameters.yaml
- tenant_id: tenant_id_path
- snapshot_id: snapshot_id_path
- unmanage: snapshot_unmanage
Request example
---------------
.. literalinclude:: samples/snapshot-actions-unmanage-request.json
:language: javascript
Response parameters
-------------------
There is no body content for the response.
Reset share snapshot state
==========================
.. rest_method:: POST /v2/{tenant_id}/snapshots/{snapshot_id}/action
Administrator only. Explicitly updates the state of a share snapshot.
Use the ``policy.json`` file to grant permissions for this action
to other roles.
Normal response codes: 202
Error response codes: badRequest(400), unauthorized(401), forbidden(403),
itemNotFound(404)
Request
-------
.. rest_parameters:: parameters.yaml
- tenant_id: tenant_id_path
- snapshot_id: snapshot_id_path
- status: snapshot_status_request
Request example
---------------
.. literalinclude:: samples/snapshot-actions-reset-state-request.json
:language: javascript
Force-delete share snapshot
===========================
.. rest_method:: POST /v2/{tenant_id}/snapshots/{snapshot_id}/action
Administrator only. Force-deletes a share snapshot in any state.
Use the ``policy.json`` file to grant permissions for this action
to other roles.
Normal response codes: 202
Error response codes: badRequest(400), unauthorized(401), forbidden(403),
itemNotFound(404)
Request
-------
.. rest_parameters:: parameters.yaml
- tenant_id: tenant_id_path
- snapshot_id: snapshot_id_path
- force_delete: snapshot_force_delete
Request example
---------------
.. literalinclude:: samples/snapshot-actions-force-delete-request.json
:language: javascript
Update share snapshot
=====================
.. rest_method:: PUT /v2/{tenant_id}/snapshots/{snapshot_id}
Updates a share snapshot.
You can update these attributes:
- ``display_name``, which also changes the ``name`` of the share
snapshot.
- ``display_description``, which also changes the ``description`` of
the share snapshot.
- ``is_public``. Changes the level of visibility.
If you try to update other attributes, they retain their previous
values.
Normal response codes: 200
Error response codes: badRequest(400), unauthorized(401), forbidden(403),
itemNotFound(404), unprocessableEntity(422)
Request
-------
.. rest_parameters:: parameters.yaml
- tenant_id: tenant_id_path
- snapshot_id: snapshot_id_path
- display_name: snapshot_display_name
- display_description: snapshot_display_description
Request example
---------------
.. literalinclude:: samples/snapshot-update-request.json
:language: javascript
Response parameters
-------------------
.. rest_parameters:: parameters.yaml
- id: snapshot_id
- status: snapshot_status
- share_id: snapshot_share_id
- name: snapshot_name
- description: snapshot_description
- created_at: snapshot_created_at
- share_proto: snapshot_share_protocol
- share_size: snapshot_share_size
- size: snapshot_size
Response example
----------------
.. literalinclude:: samples/snapshot-update-response.json
:language: javascript
Delete share snapshot
=====================
.. rest_method:: DELETE /v2/{tenant_id}/snapshots/{snapshot_id}
Deletes a share snapshot.
Normal response codes: 202
Error response codes: badRequest(400), unauthorized(401), forbidden(403),
itemNotFound(404)
Request
-------
.. rest_parameters:: parameters.yaml
- tenant_id: tenant_id_path
- snapshot_id: snapshot_id_path