93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
# Copyright 2012, Red Hat, Inc.
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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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Client side of the scheduler manager RPC API.
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"""
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from oslo.config import cfg
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from cinder.openstack.common import jsonutils
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import cinder.openstack.common.rpc.proxy
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CONF = cfg.CONF
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class SchedulerAPI(cinder.openstack.common.rpc.proxy.RpcProxy):
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'''Client side of the scheduler rpc API.
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API version history:
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1.0 - Initial version.
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1.1 - Add create_volume() method
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1.2 - Add request_spec, filter_properties arguments
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to create_volume()
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1.3 - Add migrate_volume_to_host() method
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1.4 - Add retype method
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'''
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RPC_API_VERSION = '1.0'
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def __init__(self):
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super(SchedulerAPI, self).__init__(
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topic=CONF.scheduler_topic,
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default_version=self.RPC_API_VERSION)
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def create_volume(self, ctxt, topic, volume_id, snapshot_id=None,
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image_id=None, request_spec=None,
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filter_properties=None):
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request_spec_p = jsonutils.to_primitive(request_spec)
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return self.cast(ctxt, self.make_msg(
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'create_volume',
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topic=topic,
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volume_id=volume_id,
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snapshot_id=snapshot_id,
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image_id=image_id,
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request_spec=request_spec_p,
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filter_properties=filter_properties),
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version='1.2')
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def migrate_volume_to_host(self, ctxt, topic, volume_id, host,
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force_host_copy=False, request_spec=None,
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filter_properties=None):
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request_spec_p = jsonutils.to_primitive(request_spec)
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return self.cast(ctxt, self.make_msg(
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'migrate_volume_to_host',
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topic=topic,
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volume_id=volume_id,
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host=host,
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force_host_copy=force_host_copy,
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request_spec=request_spec_p,
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filter_properties=filter_properties),
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version='1.3')
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def retype(self, ctxt, topic, volume_id,
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request_spec=None, filter_properties=None):
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request_spec_p = jsonutils.to_primitive(request_spec)
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return self.cast(ctxt, self.make_msg(
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'retype',
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topic=topic,
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volume_id=volume_id,
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request_spec=request_spec_p,
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filter_properties=filter_properties),
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version='1.4')
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def update_service_capabilities(self, ctxt,
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service_name, host,
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capabilities):
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self.fanout_cast(ctxt, self.make_msg('update_service_capabilities',
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service_name=service_name, host=host,
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capabilities=capabilities))
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