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#!/usr/bin/env python
# Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
"""
Used to handle multi-thread tasks
"""
import logging
import threading
from oslo_serialization import jsonutils
LOGGER = logging.getLogger(__name__)
class TaskThread(threading.Thread):
""" Task Thread Class """
def __init__(self, target, args, handler):
super(TaskThread, self).__init__(target=target, args=args)
self.target = target
self.args = args
self.handler = handler
def run(self):
""" Override the function run: run testcase and update database """
update_data = {'task_id': self.args.get('task_id'),
'status': 'IN PROGRESS'}
self.handler.insert(update_data)
LOGGER.info('Starting running test case')
try:
data = self.target(self.args)
except Exception as err: # pylint: disable=broad-except
LOGGER.exception('Task Failed')
update_data = {'status': 'FAIL', 'error': str(err)}
self.handler.update_attr(self.args.get('task_id'), update_data)
else:
LOGGER.info('Task Finished')
LOGGER.debug('Result: %s', data)
new_data = {'status': 'FINISHED',
'result': jsonutils.dumps(data.get('result', {}))}
self.handler.update_attr(self.args.get('task_id'), new_data)
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