nova/api-ref/source/os-volume-attachments.inc
zhangbailin e5b47543cf Add delete_on_termination to volume-attach API
Add the 'delete_on_termination' field to the volume attach API to support
configuring whether to delete the data volume when the instance is destroyed.

To avoid upgrade impact issues with older computes, the
'delete_on_termination' field is set in the API rather than when the BDM
is created in the compute service.

Implements: blueprint support-delete-on-termination-in-server-attach-volume
Change-Id: I55731b1822a4e32909665a2872d80895cb5b12f7
2019-09-05 20:54:56 +08:00

247 lines
7.3 KiB
ReStructuredText

.. -*- rst -*-
===================================================================
Servers with volume attachments (servers, os-volume\_attachments)
===================================================================
Attaches volumes that are created through the volume API to server
instances. Also, lists volume attachments for a server, shows
details for a volume attachment, and detaches a volume.
List volume attachments for an instance
=======================================
.. rest_method:: GET /servers/{server_id}/os-volume_attachments
List volume attachments for an instance.
Normal response codes: 200
Error response codes: unauthorized(401), forbidden(403), itemNotFound(404)
Request
-------
.. rest_parameters:: parameters.yaml
- server_id: server_id_path
- limit: limit_simple
- offset: offset_simple
Response
--------
.. rest_parameters:: parameters.yaml
- volumeAttachments: volumeAttachments
- device: device_resp
- id: attachment_id_required
- serverId: server_id
- volumeId: volumeId_resp
- tag: device_tag_bdm_attachment_resp
- delete_on_termination: delete_on_termination_attachments_resp
**Example List volume attachments for an instance: JSON response**
.. literalinclude:: ../../doc/api_samples/os-volumes/list-volume-attachments-resp.json
:language: javascript
**Example List tagged volume attachments for an instance (v2.70): JSON response**
.. literalinclude:: ../../doc/api_samples/os-volumes/v2.70/list-volume-attachments-resp.json
:language: javascript
Attach a volume to an instance
==============================
.. rest_method:: POST /servers/{server_id}/os-volume_attachments
Attach a volume to an instance.
Normal response codes: 200
Error response codes: badRequest(400), unauthorized(401), forbidden(403), itemNotFound(404), conflict(409)
.. note:: From v2.20 attach a volume to an instance in SHELVED or SHELVED_OFFLOADED
state is allowed.
.. note:: From v2.60, attaching a multiattach volume to multiple instances is
supported for instances that are not SHELVED_OFFLOADED. The ability
to actually support a multiattach volume depends on the volume type
and compute hosting the instance.
Request
-------
.. rest_parameters:: parameters.yaml
- server_id: server_id_path
- volumeAttachment: volumeAttachment_post
- volumeId: volumeId
- device: device
- tag: device_tag_bdm_attachment
- delete_on_termination: delete_on_termination_attachments_req
**Example Attach a volume to an instance: JSON request**
.. literalinclude:: ../../doc/api_samples/os-volumes/attach-volume-to-server-req.json
:language: javascript
**Example Attach a volume to an instance and tag it (v2.49): JSON request**
.. literalinclude:: ../../doc/api_samples/os-volumes/v2.49/attach-volume-to-server-req.json
:language: javascript
**Example Attach a volume to an instance with "delete_on_termination" (v2.79): JSON request**
.. literalinclude:: ../../doc/api_samples/os-volumes/v2.79/attach-volume-to-server-req.json
:language: javascript
Response
--------
.. rest_parameters:: parameters.yaml
- volumeAttachment: volumeAttachment
- device: device_resp
- id: attachment_id_required
- serverId: server_id
- volumeId: volumeId_resp
- tag: device_tag_bdm_attachment_resp
- delete_on_termination: delete_on_termination_attachments_resp
**Example Attach a volume to an instance: JSON response**
.. literalinclude:: ../../doc/api_samples/os-volumes/attach-volume-to-server-resp.json
:language: javascript
**Example Attach a tagged volume to an instance (v2.70): JSON response**
.. literalinclude:: ../../doc/api_samples/os-volumes/v2.70/attach-volume-to-server-resp.json
:language: javascript
**Example Attach a volume with "delete_on_termination" (v2.79): JSON response**
.. literalinclude:: ../../doc/api_samples/os-volumes/v2.79/attach-volume-to-server-resp.json
:language: javascript
Show a detail of a volume attachment
====================================
.. rest_method:: GET /servers/{server_id}/os-volume_attachments/{volume_id}
Show a detail of a volume attachment.
Normal response codes: 200
Error response codes: unauthorized(401), forbidden(403), itemNotFound(404)
Request
-------
.. rest_parameters:: parameters.yaml
- server_id: server_id_path
- volume_id: volume_id_attached_path
Response
--------
.. rest_parameters:: parameters.yaml
- volumeAttachment: volumeAttachment
- device: device_resp
- id: attachment_id_required
- serverId: server_id
- volumeId: volumeId_resp
- tag: device_tag_bdm_attachment_resp
- delete_on_termination: delete_on_termination_attachments_resp
**Example Show a detail of a volume attachment: JSON response**
.. literalinclude:: ../../doc/api_samples/os-volumes/volume-attachment-detail-resp.json
:language: javascript
**Example Show a detail of a tagged volume attachment (v2.70): JSON response**
.. literalinclude:: ../../doc/api_samples/os-volumes/v2.70/volume-attachment-detail-resp.json
:language: javascript
Update a volume attachment
==========================
.. rest_method:: PUT /servers/{server_id}/os-volume_attachments/{volume_id}
Update a volume attachment.
.. note:: This action only valid when the server is in ACTIVE, PAUSED and RESIZED state,
or a conflict(409) error will be returned.
.. warning:: This API is typically meant to only be used as part of a larger
orchestrated volume migration operation initiated in the block
storage service via the ``os-retype`` or ``os-migrate_volume``
volume actions. Direct usage of this API is not recommended and
may result in needing to hard reboot the server to update details
within the guest such as block storage serial IDs. Furthermore,
this API is only implemented by `certain compute drivers`_.
.. _certain compute drivers: https://docs.openstack.org/nova/latest/user/support-matrix.html#operation_swap_volume
Policy defaults enable only users with the administrative role to perform
this operation. Cloud providers can change these permissions through the
``policy.json`` file.
Updating, or what is commonly referred to as "swapping", volume attachments
with volumes that have more than one read/write attachment, is not supported.
Normal response codes: 202
Error response codes: badRequest(400), unauthorized(401), forbidden(403), itemNotFound(404), conflict(409)
Request
-------
.. rest_parameters:: parameters.yaml
- server_id: server_id_path
- volume_id: volume_id_swap_src
- volumeAttachment: volumeAttachment_put
- volumeId: volumeId_swap
**Example Update a volume attachment: JSON request**
.. literalinclude:: ../../doc/api_samples/os-volumes/update-volume-req.json
:language: javascript
Response
--------
No body is returned on successful request.
Detach a volume from an instance
================================
.. rest_method:: DELETE /servers/{server_id}/os-volume_attachments/{volume_id}
Detach a volume from an instance.
Normal response codes: 202
Error response codes: badRequest(400), unauthorized(401), forbidden(403), itemNotFound(404), conflict(409)
.. note:: From v2.20 detach a volume from an instance in SHELVED or SHELVED_OFFLOADED
state is allowed.
Request
-------
.. rest_parameters:: parameters.yaml
- server_id: server_id_path
- volume_id: volume_id_to_detach_path
Response
--------
No body is returned on successful request.