68 lines
1.7 KiB
Python
68 lines
1.7 KiB
Python
import logging
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import os
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import signal
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import sys
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try:
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from oslo_config import cfg
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except ImportError:
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from oslo.config import cfg
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__author__ = "Lisa Zangrando"
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__email__ = "lisa.zangrando[AT]pd.infn.it"
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__copyright__ = """Copyright (c) 2015 INFN - INDIGO-DataCloud
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All Rights Reserved
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Licensed under the Apache License, Version 2.0;
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you may not use this file except in compliance with the
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License. You may obtain a copy of the License at:
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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either express or implied.
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See the License for the specific language governing
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permissions and limitations under the License."""
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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SIGTERM_SENT = False
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class Service(object):
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def __init__(self, name):
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self.name = name
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signal.signal(signal.SIGTERM, self.sigterm_handler)
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signal.signal(signal.SIGINT, self.sigterm_handler)
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def sigterm_handler(self):
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global SIGTERM_SENT
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if not SIGTERM_SENT:
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LOG.info("Shutting down %s" % self.name)
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SIGTERM_SENT = True
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self.stop()
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os.killpg(0, signal.SIGTERM)
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sys.exit()
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def getName(self):
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return self.name
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def start(self):
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raise NotImplementedError
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def stop(self):
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raise NotImplementedError
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def wait(self):
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raise NotImplementedError
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def restart(self):
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# Reload config files and restart service
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CONF.reload_config_files()
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self.stop()
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self.start()
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