91 lines
3.0 KiB
Python
91 lines
3.0 KiB
Python
import datetime
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import glob
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import sys
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import traceback
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import anyjson
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from conductor.openstack.common import service
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from workflow import Workflow
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from commands.dispatcher import CommandDispatcher
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from openstack.common import log as logging
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from config import Config
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import reporting
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import rabbitmq
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import windows_agent
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import cloud_formation
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config = Config(sys.argv[1] if len(sys.argv) > 1 else None)
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log = logging.getLogger(__name__)
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def task_received(task, message_id):
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with rabbitmq.RmqClient() as rmqclient:
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try:
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log.info('Starting processing task {0}: {1}'.format(
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message_id, anyjson.dumps(task)))
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reporter = reporting.Reporter(rmqclient, message_id, task['id'])
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command_dispatcher = CommandDispatcher(
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task['name'], rmqclient, task['token'], task['tenant_id'])
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workflows = []
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for path in glob.glob("data/workflows/*.xml"):
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log.debug('Loading XML {0}'.format(path))
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workflow = Workflow(path, task, command_dispatcher, config,
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reporter)
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workflows.append(workflow)
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while True:
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try:
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while True:
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result = False
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for workflow in workflows:
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if workflow.execute():
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result = True
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if not result:
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break
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if not command_dispatcher.execute_pending():
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break
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except Exception as ex:
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log.exception(ex)
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break
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command_dispatcher.close()
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finally:
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del task['token']
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result_msg = rabbitmq.Message()
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result_msg.body = task
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result_msg.id = message_id
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rmqclient.send(message=result_msg, key='task-results')
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log.info('Finished processing task {0}. Result = {1}'.format(
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message_id, anyjson.dumps(task)))
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class ConductorWorkflowService(service.Service):
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def __init__(self):
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super(ConductorWorkflowService, self).__init__()
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def start(self):
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super(ConductorWorkflowService, self).start()
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self.tg.add_thread(self._start_rabbitmq)
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def stop(self):
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super(ConductorWorkflowService, self).stop()
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def _start_rabbitmq(self):
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while True:
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try:
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with rabbitmq.RmqClient() as rmq:
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rmq.declare('tasks', 'tasks')
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rmq.declare('task-results')
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with rmq.open('tasks') as subscription:
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while True:
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msg = subscription.get_message()
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self.tg.add_thread(
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task_received, msg.body, msg.id)
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except Exception as ex:
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log.exception(ex)
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