95 lines
2.9 KiB
Python
95 lines
2.9 KiB
Python
# Copyright 2011 Denali Systems, Inc.
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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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"""
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Volume snapshot interface (1.1 extension).
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"""
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from novaclient import base
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class Snapshot(base.Resource):
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"""
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A Snapshot is a point-in-time snapshot of an openstack volume.
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"""
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NAME_ATTR = 'display_name'
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def __repr__(self):
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return "<Snapshot: %s>" % self.id
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def delete(self):
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"""
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Delete this snapshot.
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"""
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self.manager.delete(self)
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class SnapshotManager(base.ManagerWithFind):
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"""
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Manage :class:`Snapshot` resources.
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"""
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resource_class = Snapshot
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def create(self, volume_id, force=False, display_name=None,
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display_description=None):
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"""
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Create a snapshot of the given volume.
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:param volume_id: The ID of the volume to snapshot.
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:param force: If force is True, create a snapshot even if the volume is
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attached to an instance. Default is False.
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:param display_name: Name of the snapshot
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:param display_description: Description of the snapshot
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:rtype: :class:`Snapshot`
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"""
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with self.alternate_service_type('volume'):
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body = {'snapshot': {'volume_id': volume_id,
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'force': force,
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'display_name': display_name,
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'display_description': display_description}}
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return self._create('/snapshots', body, 'snapshot')
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def get(self, snapshot_id):
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"""
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Get a snapshot.
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:param snapshot_id: The ID of the snapshot to get.
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:rtype: :class:`Snapshot`
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"""
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with self.alternate_service_type('volume'):
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return self._get("/snapshots/%s" % snapshot_id, "snapshot")
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def list(self, detailed=True):
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"""
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Get a list of all snapshots.
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:rtype: list of :class:`Snapshot`
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"""
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with self.alternate_service_type('volume'):
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if detailed is True:
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return self._list("/snapshots/detail", "snapshots")
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else:
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return self._list("/snapshots", "snapshots")
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def delete(self, snapshot):
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"""
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Delete a snapshot.
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:param snapshot: The :class:`Snapshot` to delete.
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"""
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with self.alternate_service_type('volume'):
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self._delete("/snapshots/%s" % base.getid(snapshot))
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