201 lines
7.6 KiB
Python
201 lines
7.6 KiB
Python
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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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from openstack import exceptions
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from openstack import resource
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from openstack import utils
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class Backup(resource.Resource):
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"""Volume Backup"""
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resource_key = "backup"
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resources_key = "backups"
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base_path = "/backups"
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_query_mapping = resource.QueryParameters(
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'all_tenants',
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'limit',
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'marker',
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'project_id',
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'name',
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'status',
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'volume_id',
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'sort_key',
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'sort_dir',
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)
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# capabilities
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allow_fetch = True
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allow_create = True
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allow_delete = True
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allow_list = True
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allow_get = True
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#: Properties
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#: backup availability zone
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availability_zone = resource.Body("availability_zone")
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#: The container backup in
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container = resource.Body("container")
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#: The date and time when the resource was created.
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created_at = resource.Body("created_at")
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#: data timestamp
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#: The time when the data on the volume was first saved.
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#: If it is a backup from volume, it will be the same as created_at
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#: for a backup. If it is a backup from a snapshot,
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#: it will be the same as created_at for the snapshot.
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data_timestamp = resource.Body('data_timestamp')
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#: backup description
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description = resource.Body("description")
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#: Backup fail reason
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fail_reason = resource.Body("fail_reason")
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#: Force backup
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force = resource.Body("force", type=bool)
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#: has_dependent_backups
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#: If this value is true, there are other backups depending on this backup.
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has_dependent_backups = resource.Body('has_dependent_backups', type=bool)
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#: Indicates whether the backup mode is incremental.
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#: If this value is true, the backup mode is incremental.
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#: If this value is false, the backup mode is full.
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is_incremental = resource.Body("is_incremental", type=bool)
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#: A list of links associated with this volume. *Type: list*
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links = resource.Body("links", type=list)
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#: backup name
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name = resource.Body("name")
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#: backup object count
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object_count = resource.Body("object_count", type=int)
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#: The size of the volume, in gibibytes (GiB).
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size = resource.Body("size", type=int)
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#: The UUID of the source volume snapshot.
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snapshot_id = resource.Body("snapshot_id")
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#: backup status
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#: values: creating, available, deleting, error, restoring, error_restoring
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status = resource.Body("status")
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#: The date and time when the resource was updated.
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updated_at = resource.Body("updated_at")
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#: The UUID of the volume.
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volume_id = resource.Body("volume_id")
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def create(self, session, prepend_key=True, base_path=None, **params):
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"""Create a remote resource based on this instance.
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:param session: The session to use for making this request.
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:type session: :class:`~keystoneauth1.adapter.Adapter`
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:param prepend_key: A boolean indicating whether the resource_key
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should be prepended in a resource creation
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request. Default to True.
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:param str base_path: Base part of the URI for creating resources, if
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different from
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:data:`~openstack.resource.Resource.base_path`.
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:param dict params: Additional params to pass.
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:return: This :class:`Resource` instance.
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:raises: :exc:`~openstack.exceptions.MethodNotSupported` if
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:data:`Resource.allow_create` is not set to ``True``.
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"""
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if not self.allow_create:
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raise exceptions.MethodNotSupported(self, "create")
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session = self._get_session(session)
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microversion = self._get_microversion(session, action='create')
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requires_id = (
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self.create_requires_id
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if self.create_requires_id is not None
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else self.create_method == 'PUT'
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)
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if self.create_exclude_id_from_body:
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self._body._dirty.discard("id")
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if self.create_method == 'POST':
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request = self._prepare_request(
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requires_id=requires_id,
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prepend_key=prepend_key,
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base_path=base_path,
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)
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# NOTE(gtema) this is a funny example of when attribute
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# is called "incremental" on create, "is_incremental" on get
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# and use of "alias" or "aka" is not working for such conflict,
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# since our preferred attr name is exactly "is_incremental"
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body = request.body
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if 'is_incremental' in body['backup']:
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body['backup']['incremental'] = body['backup'].pop(
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'is_incremental'
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)
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response = session.post(
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request.url,
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json=request.body,
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headers=request.headers,
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microversion=microversion,
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params=params,
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)
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else:
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# Just for safety of the implementation (since PUT removed)
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raise exceptions.ResourceFailure(
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"Invalid create method: %s" % self.create_method
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)
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has_body = (
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self.has_body
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if self.create_returns_body is None
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else self.create_returns_body
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)
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self.microversion = microversion
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self._translate_response(response, has_body=has_body)
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# direct comparision to False since we need to rule out None
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if self.has_body and self.create_returns_body is False:
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# fetch the body if it's required but not returned by create
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return self.fetch(session)
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return self
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def _action(self, session, body, microversion=None):
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"""Preform backup actions given the message body."""
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url = utils.urljoin(self.base_path, self.id, 'action')
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resp = session.post(
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url, json=body, microversion=self._max_microversion
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)
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exceptions.raise_from_response(resp)
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return resp
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def restore(self, session, volume_id=None, name=None):
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"""Restore current backup to volume
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:param session: openstack session
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:param volume_id: The ID of the volume to restore the backup to.
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:param name: The name for new volume creation to restore.
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:return: Updated backup instance
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"""
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url = utils.urljoin(self.base_path, self.id, "restore")
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body = {'restore': {}}
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if volume_id:
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body['restore']['volume_id'] = volume_id
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if name:
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body['restore']['name'] = name
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if not (volume_id or name):
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raise exceptions.SDKException(
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'Either of `name` or `volume_id` must be specified.'
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)
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response = session.post(url, json=body)
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self._translate_response(response, has_body=False)
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return self
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def force_delete(self, session):
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"""Force backup deletion"""
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body = {'os-force_delete': {}}
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self._action(session, body)
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def reset(self, session, status):
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"""Reset the status of the backup"""
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body = {'os-reset_status': {'status': status}}
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self._action(session, body)
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BackupDetail = Backup
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