python-manilaclient/manilaclient/v1/share_snapshots.py

129 lines
4.3 KiB
Python

# Copyright 2012 NetApp
# 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.
"""Interface for shares extension."""
try:
from urllib import urlencode # noqa
except ImportError:
from urllib.parse import urlencode # noqa
from manilaclient import base
from manilaclient.openstack.common.apiclient import base as common_base
class ShareSnapshot(common_base.Resource):
"""Represent a snapshot of a share."""
def __repr__(self):
return "<ShareSnapshot: %s>" % self.id
def update(self, **kwargs):
"""Update this snapshot."""
self.manager.update(self, **kwargs)
def reset_state(self, state):
"""Update the snapshot with the privided state."""
self.manager.reset_state(self, state)
def delete(self):
"""Delete this snapshot."""
self.manager.delete(self)
def force_delete(self):
"""Delete the specified snapshot ignoring its current state."""
self.manager.force_delete(self)
class ShareSnapshotManager(base.ManagerWithFind):
"""Manage :class:`ShareSnapshot` resources."""
resource_class = ShareSnapshot
def create(self, share, force=False, name=None, description=None):
"""Create a snapshot of the given share.
:param share_id: The ID of the share to snapshot.
:param force: If force is True, create a snapshot even if the
share is busy. Default is False.
:param name: Name of the snapshot
:param description: Description of the snapshot
:rtype: :class:`ShareSnapshot`
"""
body = {'snapshot': {'share_id': common_base.getid(share),
'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:`ShareSnapshot`
"""
return self._get('/snapshots/%s' % snapshot_id, 'snapshot')
def list(self, detailed=True, search_opts=None):
"""Get a list of all snapshots of shares.
:rtype: list of :class:`ShareSnapshot`
"""
if search_opts:
query_string = urlencode(
sorted([(k, v) for (k, v) in list(search_opts.items()) if v]))
if query_string:
query_string = "?%s" % (query_string,)
else:
query_string = ''
if detailed:
path = "/snapshots/detail%s" % (query_string,)
else:
path = "/snapshots%s" % (query_string,)
return self._list(path, 'snapshots')
def delete(self, snapshot):
"""Delete a snapshot of a share.
:param snapshot: The :class:`ShareSnapshot` to delete.
"""
self._delete("/snapshots/%s" % common_base.getid(snapshot))
def force_delete(self, snapshot):
return self._action('os-force_delete', common_base.getid(snapshot))
def update(self, snapshot, **kwargs):
"""Update a snapshot.
:param snapshot: Snapshot to update.
:rtype: :class:`ShareSnapshot`
"""
if not kwargs:
return
body = {'snapshot': kwargs, }
return self._update("/snapshots/%s" % snapshot.id, body)
def reset_state(self, snapshot, state):
"""Update the specified share 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' % common_base.getid(snapshot)
return self.api.client.post(url, body=body)