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