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nova
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Merge "api-ref: expand on various bdm parameters"

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Zuul 2018-06-13 17:50:44 +00:00 committed by Gerrit Code Review
parent ca7d23a3e7 c8edb8ce72
commit 343c2bee23
1 changed files with 41 additions and 10 deletions
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51
api-ref/source/parameters.yaml
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@ -1791,10 +1791,13 @@ block_device_mapping_v2:
type: array
block_device_uuid:
description: |
This is the uuid of source resource. The uuid is point to different resource
based on the source_type. For example, if source_type is ``image`` as the above
sample, the block device is created based on the specified image which is gotten
from the image service.
This is the uuid of source resource. The uuid points to different resources
based on the ``source_type``. For example, if ``source_type`` is ``image``,
the block device is created based on the specified image which is retrieved
from the image service. Similarly, if ``source_type`` is ``snapshot`` then
the uuid refers to a volume snapshot in the block storage service. If
``source_type`` is ``volume`` then the uuid refers to a volume in the block
storage service.
in: body
required: false
type: string
@ -2120,7 +2123,11 @@ description:
type: string
destination_type:
description: |
Defines where the volume comes from. A valid value is ``local`` or ``volume``.
Defines where the block device mapping will reside. Valid values are:
* ``local``: The ephemeral disk resides local to the compute host on
which the server runs
* ``volume``: The persistent volume is stored in the block storage service
in: body
required: false
type: string
@ -3124,8 +3131,15 @@ group_id:
guest_format:
description: |
Specifies the guest server disk file system format, such as ``ext2``,
``ext3``, ``ext4``, ``xfs`` or ``swap``. This parameter affects only
the libvirt virt driver.
``ext3``, ``ext4``, ``xfs`` or ``swap``.
Swap block device mappings have the following restrictions:
* The ``source_type`` must be ``blank``
* The ``destination_type`` must be ``local``
* There can only be one swap disk per server
* The size of the swap disk must be less than or equal to the ``swap``
size of the flavor
in: body
required: false
type: string
@ -5930,9 +5944,26 @@ snapshots:
type: array
source_type:
description: |
The source type of the volume. A valid value is ``blank``, ``snapshot``,
``volume``, or ``image``. If ``no_device`` is not specified,
this parameter is required.
The source type of the block device. Valid values are:
* ``blank``: Depending on the ``destination_type`` and ``guest_format``,
this will either be a blank persistent volume or an ephemeral (or swap)
disk local to the compute host on which the server resides
* ``image``: This is only valid with ``destination_type=volume``; creates
an image-backed volume in the block storage service and attaches it to
the server
* ``snapshot``: This is only valid with ``destination_type=volume``;
creates a volume backed by the given volume snapshot referenced via the
``block_device_mapping_v2.uuid`` parameter and attaches it to the server
* ``volume``: This is only valid with ``destination_type=volume``; uses
the existing persistent volume referenced via the
``block_device_mapping_v2.uuid`` parameter and attaches it to the server
This parameter is required unless ``block_device_mapping_v2.no_device`` is
specified.
See `Block Device Mapping in Nova <https://docs.openstack.org/nova/latest/user/block-device-mapping.html>`_
for more details on valid source and destination types.
in: body
required: false
type: string