43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
# (c) Copyright 2014,2015 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo_config import cfg
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from oslo_log import log
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from oslo_utils import importutils
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CONF = cfg.CONF
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LOG = log.getLogger(__name__)
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class FencerManager(object):
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def __init__(self, nodes):
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self.fencer_conf = CONF.get('fencer')
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self.nodes = nodes
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def fence(self):
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"""
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Try to shutdown nodes and wait for configurable amount of times
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:return: list of nodes and either they are shutdown or failed
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"""
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driver_name = self.fencer_conf['driver']
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driver = importutils.import_object(
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driver_name,
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self.fencer_conf
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)
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LOG.debug('Loaded fencing driver {0} with config: '
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'{1}'.format(driver.get_info(), self.fencer_conf))
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return driver.fence()
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