9de2e37188
This change change the scheduler to use placement api to filter query nodes with specified resource class of flavor, and clean the filters and weighers in scheduler. Change-Id: I89ad443f553510da6daf289b83f3c30d9d546ace Partially Implements: bp track-resources-using-placement
55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
# Copyright 2017 Huawei Technologies Co.,LTD.
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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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import eventlet
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import oslo_messaging as messaging
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from oslo_utils import importutils
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from mogan.common import exception
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from mogan.conf import CONF
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class SchedulerManager(object):
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"""Mogan Scheduler manager main class."""
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RPC_API_VERSION = '1.0'
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target = messaging.Target(version=RPC_API_VERSION)
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def __init__(self, topic, host=None):
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super(SchedulerManager, self).__init__()
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self.host = host or CONF.host
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self.topic = topic
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scheduler_driver = CONF.scheduler.scheduler_driver
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self.driver = importutils.import_object(scheduler_driver)
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self._startup_delay = True
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def init_host(self):
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self._startup_delay = False
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def _wait_for_scheduler(self):
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while self._startup_delay and not self.driver.is_ready():
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eventlet.sleep(1)
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@messaging.expected_exceptions(exception.NoValidNode)
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def select_destinations(self, ctxt, request_spec, filter_properties):
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self._wait_for_scheduler()
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dests = self.driver.schedule(
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ctxt, request_spec, filter_properties)
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return dests
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def del_host(self):
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pass
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