Introduce engine states
Introduce two states, ENABLED and DISABLED, in a new states.py file, and set engine to disabled when stopped, and enabled when running Change-Id: I1d4c89b453ac04cd5dce09c5faafe3241cd2dc43
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@ -31,6 +31,7 @@ import six
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from stevedore import driver
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from entropy import exceptions
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from entropy import states
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from entropy import utils
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import imp
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LOG = logging.getLogger(__name__)
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@ -80,6 +81,9 @@ class Engine(object):
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# Serializer related variables
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self._serializer = None
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# State related variables
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self._state = states.ENABLED
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LOG.info('Created engine obj %s', self.name)
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# TODO(praneshp): Move to utils?
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@ -196,6 +200,7 @@ class Engine(object):
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new_additions.append({'time': next_call, 'name': key})
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new_additions.sort(key=operator.itemgetter('time'))
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self.run_queue.extend(new_additions)
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LOG.info("Run queue till %s is %s", next_iteration, self.run_queue)
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LOG.info("Repair scripts at %s: %s", next_iteration, self._repairs)
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@ -209,7 +214,12 @@ class Engine(object):
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self.stop_engine()
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def stop_engine(self):
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LOG.info("Stopping engine %s", self.name)
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# Set state to stop, which will stop serializers
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LOG.info("Setting %s to state: %s", self.name, states.DISABLED)
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self._state = states.DISABLED
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# Stop watchdog monitoring
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LOG.info("Stopping watchdog for %s", self.name)
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self._watchdog_thread.stop()
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def repair_modified(self):
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@ -0,0 +1,20 @@
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# -*- coding: utf-8 -*-
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# Copyright (C) 2012-2013 Yahoo! Inc. 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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# Job states.
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ENABLED = 'CLAIMED'
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DISABLED = 'COMPLETE'
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