python-cinderclient/cinderclient/v3/volume_snapshots.py
Sheel Rana 699a2f5dce Support for snapshot force delete
Cinder snapshot force delete is supported from cinder server
side but cinderclient support is not present.

This patchset adds support for cinder snapshot force delete
from cinderclient side.

Closes-Bug:#1418353

Change-Id: I8c4f02f9c3b855d44b1a3c7da7083d87b3b70da9
Implements: Blueprint snapshot-backup-force-delete
2016-05-29 08:53:28 +00:00

210 lines
7.5 KiB
Python

# Copyright (c) 2013 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Volume snapshot interface (v3 extension)."""
from cinderclient import base
from cinderclient.openstack.common.apiclient import base as common_base
class Snapshot(base.Resource):
"""A Snapshot is a point-in-time snapshot of an openstack volume."""
def __repr__(self):
return "<Snapshot: %s>" % self.id
def delete(self, force=False):
"""Delete this snapshot."""
return self.manager.delete(self, force)
def update(self, **kwargs):
"""Update the name or description for this snapshot."""
return self.manager.update(self, **kwargs)
@property
def progress(self):
return self._info.get('os-extended-snapshot-attributes:progress')
@property
def project_id(self):
return self._info.get('os-extended-snapshot-attributes:project_id')
def reset_state(self, state):
"""Update the snapshot with the provided state."""
return self.manager.reset_state(self, state)
def set_metadata(self, metadata):
"""Set metadata of this snapshot."""
return self.manager.set_metadata(self, metadata)
def delete_metadata(self, keys):
"""Delete metadata of this snapshot."""
return self.manager.delete_metadata(self, keys)
def update_all_metadata(self, metadata):
"""Update_all metadata of this snapshot."""
return self.manager.update_all_metadata(self, metadata)
def manage(self, volume_id, ref, name=None, description=None,
metadata=None):
"""Manage an existing snapshot."""
self.manager.manage(volume_id=volume_id, ref=ref, name=name,
description=description, metadata=metadata)
def unmanage(self, snapshot):
"""Unmanage a snapshot."""
self.manager.unmanage(snapshot)
class SnapshotManager(base.ManagerWithFind):
"""Manage :class:`Snapshot` resources."""
resource_class = Snapshot
def create(self, volume_id, force=False,
name=None, description=None, metadata=None):
"""Creates a snapshot of the given volume.
:param volume_id: The ID of the volume to snapshot.
:param force: If force is True, create a snapshot even if the volume is
attached to an instance. Default is False.
:param name: Name of the snapshot
:param description: Description of the snapshot
:param metadata: Metadata of the snapshot
:rtype: :class:`Snapshot`
"""
if metadata is None:
snapshot_metadata = {}
else:
snapshot_metadata = metadata
body = {'snapshot': {'volume_id': volume_id,
'force': force,
'name': name,
'description': description,
'metadata': snapshot_metadata}}
return self._create('/snapshots', body, 'snapshot')
def get(self, snapshot_id):
"""Shows snapshot details.
:param snapshot_id: The ID of the snapshot to get.
:rtype: :class:`Snapshot`
"""
return self._get("/snapshots/%s" % snapshot_id, "snapshot")
def list(self, detailed=True, search_opts=None, marker=None, limit=None,
sort=None):
"""Get a list of all snapshots.
:rtype: list of :class:`Snapshot`
"""
resource_type = "snapshots"
url = self._build_list_url(resource_type, detailed=detailed,
search_opts=search_opts, marker=marker,
limit=limit, sort=sort)
return self._list(url, resource_type, limit=limit)
def delete(self, snapshot, force=False):
"""Delete a snapshot.
:param snapshot: The :class:`Snapshot` to delete.
:param force: Allow delete in state other than error or available.
"""
if force:
return self._action('os-force_delete', snapshot)
else:
return self._delete("/snapshots/%s" % base.getid(snapshot))
def update(self, snapshot, **kwargs):
"""Update the name or description for a snapshot.
:param snapshot: The :class:`Snapshot` to update.
"""
if not kwargs:
return
body = {"snapshot": kwargs}
return self._update("/snapshots/%s" % base.getid(snapshot), body)
def reset_state(self, snapshot, state):
"""Update the specified snapshot with the provided state."""
return self._action('os-reset_status', snapshot, {'status': state})
def _action(self, action, snapshot, info=None, **kwargs):
"""Perform a snapshot action."""
body = {action: info}
self.run_hooks('modify_body_for_action', body, **kwargs)
url = '/snapshots/%s/action' % base.getid(snapshot)
resp, body = self.api.client.post(url, body=body)
return common_base.TupleWithMeta((resp, body), resp)
def update_snapshot_status(self, snapshot, update_dict):
return self._action('os-update_snapshot_status',
base.getid(snapshot), update_dict)
def set_metadata(self, snapshot, metadata):
"""Update/Set a snapshots metadata.
:param snapshot: The :class:`Snapshot`.
:param metadata: A list of keys to be set.
"""
body = {'metadata': metadata}
return self._create("/snapshots/%s/metadata" % base.getid(snapshot),
body, "metadata")
def delete_metadata(self, snapshot, keys):
"""Delete specified keys from snapshot metadata.
:param snapshot: The :class:`Snapshot`.
:param keys: A list of keys to be removed.
"""
response_list = []
snapshot_id = base.getid(snapshot)
for k in keys:
resp, body = self._delete("/snapshots/%s/metadata/%s" %
(snapshot_id, k))
response_list.append(resp)
return common_base.ListWithMeta([], response_list)
def update_all_metadata(self, snapshot, metadata):
"""Update_all snapshot metadata.
:param snapshot: The :class:`Snapshot`.
:param metadata: A list of keys to be updated.
"""
body = {'metadata': metadata}
return self._update("/snapshots/%s/metadata" % base.getid(snapshot),
body)
def manage(self, volume_id, ref, name=None, description=None,
metadata=None):
"""Manage an existing snapshot."""
body = {'snapshot': {'volume_id': volume_id,
'ref': ref,
'name': name,
'description': description,
'metadata': metadata
}
}
return self._create('/os-snapshot-manage', body, 'snapshot')
def unmanage(self, snapshot):
"""Unmanage a snapshot."""
return self._action('os-unmanage', snapshot, None)