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# Copyright (C) 2012 - 2014 EMC Corporation.
# 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.
"""Consistencygroup interface (v3 extension)."""
from cinderclient.apiclient import base as common_base
from cinderclient import base
from cinderclient import utils
class Consistencygroup(base.Resource):
"""A Consistencygroup of volumes."""
def __repr__(self):
return "<Consistencygroup: %s>" % self.id
def delete(self, force='False'):
"""Delete this consistency group."""
return self.manager.delete(self, force)
def update(self, **kwargs):
"""Update the name or description for this consistency group."""
return self.manager.update(self, **kwargs)
class ConsistencygroupManager(base.ManagerWithFind):
"""Manage :class:`Consistencygroup` resources."""
resource_class = Consistencygroup
def create(self, volume_types, name=None,
description=None, user_id=None,
project_id=None, availability_zone=None):
"""Creates a consistency group.
:param name: Name of the ConsistencyGroup
:param description: Description of the ConsistencyGroup
:param volume_types: Types of volume
:param user_id: User id derived from context
:param project_id: Project id derived from context
:param availability_zone: Availability Zone to use
:rtype: :class:`Consistencygroup`
"""
body = {'consistencygroup': {'name': name,
'description': description,
'volume_types': volume_types,
'user_id': user_id,
'project_id': project_id,
'availability_zone': availability_zone,
'status': "creating",
}}
return self._create('/consistencygroups', body, 'consistencygroup')
def create_from_src(self, cgsnapshot_id, source_cgid, name=None,
description=None, user_id=None,
project_id=None):
"""Creates a consistency group from a cgsnapshot or a source CG.
:param cgsnapshot_id: UUID of a CGSnapshot
:param source_cgid: UUID of a source CG
:param name: Name of the ConsistencyGroup
:param description: Description of the ConsistencyGroup
:param user_id: User id derived from context
:param project_id: Project id derived from context
:rtype: A dictionary containing Consistencygroup metadata
"""
body = {'consistencygroup-from-src': {'name': name,
'description': description,
'cgsnapshot_id': cgsnapshot_id,
'source_cgid': source_cgid,
'user_id': user_id,
'project_id': project_id,
'status': "creating",
}}
self.run_hooks('modify_body_for_update', body,
'consistencygroup-from-src')
resp, body = self.api.client.post(
"/consistencygroups/create_from_src", body=body)
return common_base.DictWithMeta(body['consistencygroup'], resp)
def get(self, group_id):
"""Get a consistency group.
:param group_id: The ID of the consistency group to get.
:rtype: :class:`Consistencygroup`
"""
return self._get("/consistencygroups/%s" % group_id,
"consistencygroup")
def list(self, detailed=True, search_opts=None):
"""Lists all consistency groups.
:rtype: list of :class:`Consistencygroup`
"""
query_string = utils.build_query_param(search_opts)
detail = ""
if detailed:
detail = "/detail"
return self._list("/consistencygroups%s%s" % (detail, query_string),
"consistencygroups")
def delete(self, consistencygroup, force=False):
"""Delete a consistency group.
:param Consistencygroup: The :class:`Consistencygroup` to delete.
"""
body = {'consistencygroup': {'force': force}}
self.run_hooks('modify_body_for_action', body, 'consistencygroup')
url = '/consistencygroups/%s/delete' % base.getid(consistencygroup)
resp, body = self.api.client.post(url, body=body)
return common_base.TupleWithMeta((resp, body), resp)
def update(self, consistencygroup, **kwargs):
"""Update the name or description for a consistency group.
:param Consistencygroup: The :class:`Consistencygroup` to update.
"""
if not kwargs:
return
body = {"consistencygroup": kwargs}
return self._update("/consistencygroups/%s" %
base.getid(consistencygroup), body)
def _action(self, action, consistencygroup, info=None, **kwargs):
"""Perform a consistency group "action."
"""
body = {action: info}
self.run_hooks('modify_body_for_action', body, **kwargs)
url = '/consistencygroups/%s/action' % base.getid(consistencygroup)
resp, body = self.api.client.post(url, body=body)
return common_base.TupleWithMeta((resp, body), resp)
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