199 lines
8.5 KiB
Python
199 lines
8.5 KiB
Python
# Copyright (c) 2013 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Volume interface (v3 extension)."""
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from cinderclient.apiclient import base as common_base
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from cinderclient import api_versions
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from cinderclient import base
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from cinderclient.v2 import volumes
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class Volume(volumes.Volume):
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def upload_to_image(self, force, image_name, container_format,
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disk_format, visibility=None,
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protected=None):
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"""Upload a volume to image service as an image.
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:param force: Boolean to enables or disables upload of a volume that
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is attached to an instance.
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:param image_name: The new image name.
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:param container_format: Container format type.
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:param disk_format: Disk format type.
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:param visibility: The accessibility of image (allowed for
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3.1-latest).
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:param protected: Boolean to decide whether prevents image from being
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deleted (allowed for 3.1-latest).
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"""
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if self.manager.api_version >= api_versions.APIVersion("3.1"):
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visibility = 'private' if visibility is None else visibility
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protected = False if protected is None else protected
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return self.manager.upload_to_image(self, force, image_name,
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container_format, disk_format,
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visibility, protected)
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return self.manager.upload_to_image(self, force, image_name,
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container_format, disk_format)
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class VolumeManager(volumes.VolumeManager):
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resource_class = Volume
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def create(self, size, consistencygroup_id=None,
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group_id=None, snapshot_id=None,
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source_volid=None, name=None, description=None,
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volume_type=None, user_id=None,
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project_id=None, availability_zone=None,
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metadata=None, imageRef=None, scheduler_hints=None,
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source_replica=None, multiattach=False):
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"""Create a volume.
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:param size: Size of volume in GB
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:param consistencygroup_id: ID of the consistencygroup
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:param group_id: ID of the group
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:param snapshot_id: ID of the snapshot
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:param name: Name of the volume
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:param description: Description of the volume
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:param volume_type: Type of volume
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:param user_id: User id derived from context
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:param project_id: Project id derived from context
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:param availability_zone: Availability Zone to use
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:param metadata: Optional metadata to set on volume creation
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:param imageRef: reference to an image stored in glance
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:param source_volid: ID of source volume to clone from
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:param source_replica: ID of source volume to clone replica
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:param scheduler_hints: (optional extension) arbitrary key-value pairs
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specified by the client to help boot an instance
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:param multiattach: Allow the volume to be attached to more than
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one instance
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:rtype: :class:`Volume`
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"""
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if metadata is None:
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volume_metadata = {}
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else:
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volume_metadata = metadata
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body = {'volume': {'size': size,
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'consistencygroup_id': consistencygroup_id,
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'snapshot_id': snapshot_id,
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'name': name,
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'description': description,
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'volume_type': volume_type,
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'user_id': user_id,
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'project_id': project_id,
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'availability_zone': availability_zone,
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'status': "creating",
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'attach_status': "detached",
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'metadata': volume_metadata,
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'imageRef': imageRef,
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'source_volid': source_volid,
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'source_replica': source_replica,
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'multiattach': multiattach,
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}}
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if group_id:
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body['volume']['group_id'] = group_id
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if scheduler_hints:
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body['OS-SCH-HNT:scheduler_hints'] = scheduler_hints
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return self._create('/volumes', body, 'volume')
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@api_versions.wraps("3.0")
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def delete_metadata(self, volume, keys):
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"""Delete specified keys from volumes metadata.
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:param volume: The :class:`Volume`.
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:param keys: A list of keys to be removed.
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"""
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response_list = []
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for k in keys:
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resp, body = self._delete("/volumes/%s/metadata/%s" %
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(base.getid(volume), k))
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response_list.append(resp)
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return common_base.ListWithMeta([], response_list)
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@api_versions.wraps("3.15")
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def delete_metadata(self, volume, keys):
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"""Delete specified keys from volumes metadata.
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:param volume: The :class:`Volume`.
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:param keys: A list of keys to be removed.
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"""
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data = self._get("/volumes/%s/metadata" % base.getid(volume))
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metadata = data._info.get("metadata", {})
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if set(keys).issubset(metadata.keys()):
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for k in keys:
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metadata.pop(k)
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body = {'metadata': metadata}
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kwargs = {'headers': {'If-Match': data._checksum}}
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return self._update("/volumes/%s/metadata" % base.getid(volume),
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body, **kwargs)
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@api_versions.wraps("3.0")
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def upload_to_image(self, volume, force, image_name, container_format,
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disk_format):
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"""Upload volume to image service as image.
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:param volume: The :class:`Volume` to upload.
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"""
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return self._action('os-volume_upload_image',
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volume,
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{'force': force,
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'image_name': image_name,
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'container_format': container_format,
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'disk_format': disk_format})
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@api_versions.wraps("3.1")
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def upload_to_image(self, volume, force, image_name, container_format,
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disk_format, visibility, protected):
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"""Upload volume to image service as image.
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:param volume: The :class:`Volume` to upload.
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"""
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return self._action('os-volume_upload_image',
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volume,
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{'force': force,
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'image_name': image_name,
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'container_format': container_format,
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'disk_format': disk_format,
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'visibility': visibility,
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'protected': protected})
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@api_versions.wraps("3.8")
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def list_manageable(self, host, detailed=True, marker=None, limit=None,
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offset=None, sort=None):
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url = self._build_list_url("manageable_volumes", detailed=detailed,
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search_opts={'host': host}, marker=marker,
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limit=limit, offset=offset, sort=sort)
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return self._list(url, "manageable-volumes")
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@api_versions.wraps("2.0", "3.32")
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def get_pools(self, detail):
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"""Show pool information for backends."""
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query_string = ""
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if detail:
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query_string = "?detail=True"
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return self._get('/scheduler-stats/get_pools%s' % query_string, None)
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@api_versions.wraps("3.33")
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def get_pools(self, detail, search_opts):
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"""Show pool information for backends."""
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# pylint: disable=function-redefined
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options = {'detail': detail}
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options.update(search_opts)
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url = self._build_list_url('scheduler-stats/get_pools', detailed=False,
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search_opts=options)
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return self._get(url, None)
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