Пример #1
0
    def _on_task_state_change(self, task_ex, wf_ex, task_state=states.SUCCESS):
        task_spec = spec_parser.get_task_spec(task_ex.spec)
        wf_spec = spec_parser.get_workflow_spec(wf_ex.spec)

        # We must be sure that if task is completed,
        # it was also completed in previous transaction.
        if (task_handler.is_task_completed(task_ex, task_spec)
                and states.is_completed(task_state)):
            task_handler.after_task_complete(task_ex, task_spec, wf_spec)

            # Ignore DELAYED state.
            if task_ex.state == states.RUNNING_DELAYED:
                return

            wf_ctrl = wf_base.WorkflowController.get_controller(wf_ex, wf_spec)

            # Calculate commands to process next.
            cmds = wf_ctrl.continue_workflow()

            task_ex.processed = True

            self._dispatch_workflow_commands(wf_ex, cmds)

            self._check_workflow_completion(wf_ex, wf_ctrl)
        elif task_handler.need_to_continue(task_ex, task_spec):
            # Re-run existing task.
            cmds = [commands.RunExistingTask(task_ex, reset=False)]

            self._dispatch_workflow_commands(wf_ex, cmds)
Пример #2
0
    def _on_task_state_change(self, task_ex, wf_ex):
        task_spec = spec_parser.get_task_spec(task_ex.spec)
        wf_spec = spec_parser.get_workflow_spec(wf_ex.spec)

        if task_handler.is_task_completed(task_ex, task_spec):
            task_handler.after_task_complete(task_ex, task_spec, wf_spec)

            # Ignore DELAYED state.
            if task_ex.state == states.DELAYED:
                return

            wf_ctrl = wf_base.WorkflowController.get_controller(wf_ex)

            # Calculate commands to process next.
            cmds = wf_ctrl.continue_workflow()

            task_ex.processed = True

            self._dispatch_workflow_commands(wf_ex, cmds)

            self._check_workflow_completion(wf_ex, wf_ctrl)
        elif task_handler.need_to_continue(task_ex, task_spec):
            # Re-run existing task.
            cmds = [commands.RunExistingTask(task_ex, reset=False)]

            self._dispatch_workflow_commands(wf_ex, cmds)
Пример #3
0
    def _on_task_state_change(self, task_ex, wf_ex, action_ex=None):
        task_spec = spec_parser.get_task_spec(task_ex.spec)
        wf_spec = spec_parser.get_workflow_spec(wf_ex.spec)

        if states.is_completed(task_ex.state):
            task_handler.after_task_complete(task_ex, task_spec, wf_spec)

            # Ignore DELAYED state.
            if task_ex.state == states.DELAYED:
                return

            wf_ctrl = wf_base.WorkflowController.get_controller(wf_ex)

            # Calculate commands to process next.
            cmds = wf_ctrl.continue_workflow()

            task_ex.processed = True

            self._dispatch_workflow_commands(wf_ex, cmds)

            self._check_workflow_completion(wf_ex, action_ex, wf_ctrl)
Пример #4
0
    def _on_task_state_change(self, task_ex, wf_ex, action_ex=None):
        task_spec = spec_parser.get_task_spec(task_ex.spec)
        wf_spec = spec_parser.get_workflow_spec(wf_ex.spec)

        if states.is_completed(task_ex.state):
            task_handler.after_task_complete(task_ex, task_spec, wf_spec)

            # Ignore DELAYED state.
            if task_ex.state == states.DELAYED:
                return

            wf_ctrl = wf_base.WorkflowController.get_controller(wf_ex)

            # Calculate commands to process next.
            cmds = wf_ctrl.continue_workflow()

            task_ex.processed = True

            self._dispatch_workflow_commands(wf_ex, cmds)

            self._check_workflow_completion(wf_ex, action_ex, wf_ctrl)
Пример #5
0
    def _on_task_state_change(self, task_ex, wf_ex, wf_spec):
        task_spec = wf_spec.get_tasks()[task_ex.name]

        if task_handler.is_task_completed(task_ex, task_spec):
            task_handler.after_task_complete(task_ex, task_spec, wf_spec)

            # Ignore DELAYED state.
            if task_ex.state == states.RUNNING_DELAYED:
                return

            wf_ctrl = wf_base.get_controller(wf_ex, wf_spec)

            # Calculate commands to process next.
            try:
                cmds = wf_ctrl.continue_workflow()
            except exc.YaqlEvaluationException as e:
                LOG.error(
                    'YAQL error occurred while calculating next workflow '
                    'commands [wf_ex_id=%s, task_ex_id=%s]: %s',
                    wf_ex.id, task_ex.id, e
                )

                wf_handler.fail_workflow(wf_ex, str(e))

                return

            # Mark task as processed after all decisions have been made
            # upon its completion.
            task_ex.processed = True

            self._dispatch_workflow_commands(wf_ex, cmds, wf_spec)

            self._check_workflow_completion(wf_ex, wf_ctrl, wf_spec)
        elif task_handler.need_to_continue(task_ex, task_spec):
            # Re-run existing task.
            cmds = [commands.RunExistingTask(task_ex, reset=False)]

            self._dispatch_workflow_commands(wf_ex, cmds, wf_spec)