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# Copyright 2016 Huawei inc.
# 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.
from manilaclient import api_versions
from manilaclient import base
class ShareSnapshotInstance(base.Resource):
"""A snapshot instance is an instance of a snapshot."""
def __repr__(self):
return "<SnapshotInstance: %s>" % self.id
def reset_state(self, state):
"""Update snapshot instance's 'status' attr."""
self.manager.reset_state(self, state)
class ShareSnapshotInstanceManager(base.ManagerWithFind):
"""Manage :class:`SnapshotInstances` resources."""
resource_class = ShareSnapshotInstance
@api_versions.wraps("2.19")
def get(self, instance):
"""Get a snapshot instance.
:param instance: either snapshot instance object or text with its ID.
:rtype: :class:`ShareSnapshotInstance`
"""
snapshot_instance_id = base.getid(instance)
return self._get("/snapshot-instances/%s" % snapshot_instance_id,
"snapshot_instance")
@api_versions.wraps("2.19")
def list(self, detailed=False, snapshot=None, search_opts=None):
"""List all snapshot instances."""
if detailed:
url = '/snapshot-instances/detail'
else:
url = '/snapshot-instances'
if snapshot:
url += '?snapshot_id=%s' % base.getid(snapshot)
return self._list(url, 'snapshot_instances')
@api_versions.wraps("2.19")
def reset_state(self, instance, state):
"""Reset the 'status' attr of the snapshot instance.
:param instance: either snapshot instance object or its UUID.
:param state: state to set the snapshot instance's 'status' attr to.
"""
return self._action("reset_status", instance, {"status": state})
def _action(self, action, instance, info=None, **kwargs):
"""Perform a snapshot instance 'action'."""
body = {action: info}
self.run_hooks('modify_body_for_action', body, **kwargs)
url = ('/snapshot-instances/%s/action' %
base.getid(instance))
return self.api.client.post(url, body=body)
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