python-manilaclient/manilaclient/v2/volume_snapshots.py

117 lines
3.5 KiB
Python

# Copyright 2013 OpenStack LLC.
# 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 (1.1 extension)."""
import urllib
from manilaclient import 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):
"""Delete this snapshot."""
self.manager.delete(self)
def update(self, **kwargs):
"""Update the name or description for this snapshot."""
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')
class SnapshotManager(base.ManagerWithFind):
"""Manage :class:`Snapshot` resources."""
resource_class = Snapshot
def create(self, volume_id, force=False,
name=None, description=None):
"""Create 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
:rtype: :class:`Snapshot`
"""
body = {'snapshot': {'volume_id': volume_id,
'force': force,
'name': name,
'description': description}}
return self._create('/snapshots', body, 'snapshot')
def get(self, snapshot_id):
"""Get a snapshot.
: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):
"""Get a list of all snapshots.
:rtype: list of :class:`Snapshot`
"""
if search_opts is None:
search_opts = {}
qparams = {}
for opt, val in search_opts.iteritems():
if val:
qparams[opt] = val
query_string = "?%s" % urllib.urlencode(qparams) if qparams else ""
detail = ""
if detailed:
detail = "/detail"
return self._list("/snapshots%s%s" % (detail, query_string),
"snapshots")
def delete(self, snapshot):
"""Delete a snapshot.
:param snapshot: The :class:`Snapshot` to delete.
"""
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 delete.
"""
if not kwargs:
return
body = {"snapshot": kwargs}
self._update("/snapshots/%s" % base.getid(snapshot), body)