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""" |
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Enarksh |
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Copyright 2013-2016 Set Based IT Consultancy |
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Licence MIT |
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""" |
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import logging |
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import os |
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from enarksh.DataLayer import DataLayer |
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from enarksh.xml_reader.XmlReader import XmlReader |
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class ScheduleDefinitionMessageEventHandler: |
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""" |
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An event handler for a ScheduleDefinitionMessage received events. |
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""" |
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# ------------------------------------------------------------------------------------------------------------------ |
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@staticmethod |
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def handle(_event, message, controller): |
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""" |
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Handles a JobFinishedMessage received event. |
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:param * _event: Not used. |
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:param enarksh.controller.message.ScheduleDefinitionMessage.ScheduleDefinitionMessage message: The message. |
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:param enarksh.controller.Controller.Controller controller: The controller. |
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""" |
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del _event |
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log = logging.getLogger('enarksh') |
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try: |
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# Validate XML against XSD. |
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reader = XmlReader() |
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schedule = reader.parse_schedule(message.xml, message.filename) |
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# Test schedule is currently running. |
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name = schedule.name |
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if name in controller.schedules: |
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raise Exception("Schedule '%s' is currently running." % name) |
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# Insert the XML definition as BLOB in tot the database. |
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blb_id = DataLayer.enk_blob_insert_blob(os.path.basename(message.filename), 'text/xml', message.xml) |
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srv_id = DataLayer.enk_reader_schedule_create_revision(blb_id, name) |
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if not srv_id: |
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raise Exception("Schedule '%s' is already loaded." % name) |
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# Store the new schedule definition into the database. |
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schedule.store(srv_id, 1) |
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DataLayer.enk_back_schedule_revision_create_run(srv_id) |
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response = {'ret': 0, |
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'message': "Schedule '%s' successfully loaded." % name} |
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DataLayer.commit() |
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except Exception: |
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log.exception('Error') |
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response = {'ret': -1, |
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'message': 'Internal error'} |
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DataLayer.rollback() |
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# Send the message to the web interface. |
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controller.message_controller.send_message('lockstep', response, True) |
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# ---------------------------------------------------------------------------------------------------------------------- |
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SetBased /
py-enarksh
