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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 sys |
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import traceback |
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import enarksh |
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from enarksh.DataLayer import DataLayer |
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from enarksh.controller.Schedule import Schedule |
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class RequestNodeActionMessageEventHandler: |
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""" |
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An event handler for a RequestNodeActionMessage 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.RequestNodeActionMessage.RequestNodeActionMessage 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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# Compose a response message for the web interface. |
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response = {'ret': 0, |
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'new_run': 0, |
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'message': 'OK'} |
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try: |
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schedule = controller.get_schedule_by_sch_id(message.sch_id) |
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if schedule: |
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actions = schedule.request_possible_node_actions(message.rnd_id) |
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else: |
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actions = Schedule.get_response_template() |
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if message.act_id not in actions['actions'] or not actions['actions'][message.act_id]['act_enabled']: |
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response['ret'] = -1 |
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response['message'] = 'Not a valid action' |
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else: |
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schedule = controller.get_schedule_by_sch_id(message.sch_id) |
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reload = schedule.request_node_action(message.rnd_id, |
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message.act_id, |
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message.usr_login, |
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message.mail_on_completion, |
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message.mail_on_error) |
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if reload: |
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# Schedule must be reloaded. |
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schedule = controller.reload_schedule(schedule.sch_id) |
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# A reload is only required when the schedule is been triggered. However, this trigger is lost by |
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# reloading the schedule. So, resend the trigger. |
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schedule.request_node_action(schedule.get_activate_node().rnd_id, |
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message.act_id, |
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message.usr_login, |
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message.mail_on_completion, |
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message.mail_on_error) |
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if message.act_id == enarksh.ENK_ACT_ID_TRIGGER: |
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response['new_run'] = 1 |
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except Exception as exception: # XXX move to MessageHandler |
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print(exception, file=sys.stderr) |
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traceback.print_exc(file=sys.stderr) |
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response['ret'] = -1 |
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response['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
