Пример #1
0
    def put(self, id, execution):
        """Update the specified Execution.

        :param id: execution ID.
        :param execution: Execution objects
        """
        LOG.info("Update execution [id=%s, execution=%s]" %
                 (id, execution))
        db_api.ensure_workflow_execution_exists(id)

        new_state = execution.state
        new_description = execution.description
        msg = execution.state_info

        # Currently we can change only state or description.
        if (not (new_state or new_description) or
                (new_state and new_description)):
            raise exc.DataAccessException(
                "Only state or description of execution can be changed. "
                "But they can not be changed at the same time."
            )

        if new_description:
            wf_ex = db_api.update_workflow_execution(
                id,
                {"description": new_description}
            )

        elif new_state == states.PAUSED:
            wf_ex = rpc.get_engine_client().pause_workflow(id)
        elif new_state == states.RUNNING:
            wf_ex = rpc.get_engine_client().resume_workflow(id)
        elif new_state in [states.SUCCESS, states.ERROR]:
            wf_ex = rpc.get_engine_client().stop_workflow(id, new_state, msg)
        else:
            # To prevent changing state in other cases throw a message.
            raise exc.DataAccessException(
                "Can not change state to %s. Allowed states are: '%s" %
                (new_state, ", ".join([states.RUNNING, states.PAUSED,
                 states.SUCCESS, states.ERROR]))
            )

        return Execution.from_dict(
            wf_ex if isinstance(wf_ex, dict) else wf_ex.to_dict()
        )
Пример #2
0
    def put(self, id, execution):
        """Update the specified Execution.

        :param id: execution ID.
        :param execution: Execution objects
        """
        LOG.info("Update execution [id=%s, execution=%s]" % (id, execution))
        db_api.ensure_workflow_execution_exists(id)

        new_state = execution.state
        new_description = execution.description
        msg = execution.state_info

        # Currently we can change only state or description.
        if (not (new_state or new_description)
                or (new_state and new_description)):
            raise exc.DataAccessException(
                "Only state or description of execution can be changed. "
                "But they can not be changed at the same time.")

        if new_description:
            wf_ex = db_api.update_workflow_execution(
                id, {"description": new_description})

        elif new_state == states.PAUSED:
            wf_ex = rpc.get_engine_client().pause_workflow(id)
        elif new_state == states.RUNNING:
            wf_ex = rpc.get_engine_client().resume_workflow(id)
        elif new_state in [states.SUCCESS, states.ERROR]:
            wf_ex = rpc.get_engine_client().stop_workflow(id, new_state, msg)
        else:
            # To prevent changing state in other cases throw a message.
            raise exc.DataAccessException(
                "Can not change state to %s. Allowed states are: '%s" %
                (new_state, ", ".join([
                    states.RUNNING, states.PAUSED, states.SUCCESS, states.ERROR
                ])))

        return Execution.from_dict(
            wf_ex if isinstance(wf_ex, dict) else wf_ex.to_dict())
Пример #3
0
    def put(self, id, execution):
        """Update the specified Execution.

        :param id: execution ID.
        :param execution: Execution objects
        """
        LOG.info("Update execution [id=%s, execution=%s]" %
                 (id, execution))
        db_api.ensure_workflow_execution_exists(id)

        # Currently we can change only state.
        if not execution.state:
            raise exc.DataAccessException(
                "Only state of execution can change. "
                "Missing 'state' property."
            )

        new_state = execution.state
        msg = execution.state_info

        if new_state == states.PAUSED:
            wf_ex = rpc.get_engine_client().pause_workflow(id)
        elif new_state == states.RUNNING:
            wf_ex = rpc.get_engine_client().resume_workflow(id)
        elif new_state in [states.SUCCESS, states.ERROR]:
            wf_ex = rpc.get_engine_client().stop_workflow(id, new_state, msg)
        else:
            # To prevent changing state in other cases throw a message.
            raise exc.DataAccessException(
                "Can not change state to %s. Allowed states are: '%s" %
                (new_state, ", ".join([states.RUNNING, states.PAUSED,
                 states.SUCCESS, states.ERROR]))
            )

        return Execution.from_dict(
            wf_ex if isinstance(wf_ex, dict) else wf_ex.to_dict()
        )
Пример #4
0
    def put(self, id, wf_ex):
        """Update the specified workflow execution.

        :param id: execution ID.
        :param wf_ex: Execution object.
        """
        acl.enforce('executions:update', context.ctx())

        LOG.info('Update execution [id=%s, execution=%s]' % (id, wf_ex))

        with db_api.transaction():
            db_api.ensure_workflow_execution_exists(id)

            delta = {}

            if wf_ex.state:
                delta['state'] = wf_ex.state

            if wf_ex.description:
                delta['description'] = wf_ex.description

            if wf_ex.params and wf_ex.params.get('env'):
                delta['env'] = wf_ex.params.get('env')

            # Currently we can change only state, description, or env.
            if len(delta.values()) <= 0:
                raise exc.InputException(
                    'The property state, description, or env '
                    'is not provided for update.')

            # Description cannot be updated together with state.
            if delta.get('description') and delta.get('state'):
                raise exc.InputException(
                    'The property description must be updated '
                    'separately from state.')

            # If state change, environment cannot be updated if not RUNNING.
            if (delta.get('env') and delta.get('state')
                    and delta['state'] != states.RUNNING):
                raise exc.InputException(
                    'The property env can only be updated when workflow '
                    'execution is not running or on resume from pause.')

            if delta.get('description'):
                wf_ex = db_api.update_workflow_execution(
                    id, {'description': delta['description']})

            if not delta.get('state') and delta.get('env'):
                wf_ex = db_api.get_workflow_execution(id)
                wf_ex = wf_service.update_workflow_execution_env(
                    wf_ex, delta.get('env'))

        if delta.get('state'):
            if states.is_paused(delta.get('state')):
                wf_ex = rpc.get_engine_client().pause_workflow(id)
            elif delta.get('state') == states.RUNNING:
                wf_ex = rpc.get_engine_client().resume_workflow(
                    id, env=delta.get('env'))
            elif states.is_completed(delta.get('state')):
                msg = wf_ex.state_info if wf_ex.state_info else None
                wf_ex = rpc.get_engine_client().stop_workflow(
                    id, delta.get('state'), msg)
            else:
                # To prevent changing state in other cases throw a message.
                raise exc.InputException(
                    "Cannot change state to %s. Allowed states are: '%s" %
                    (wf_ex.state, ', '.join([
                        states.RUNNING, states.PAUSED, states.SUCCESS,
                        states.ERROR, states.CANCELLED
                    ])))

        return resources.Execution.from_dict(
            wf_ex if isinstance(wf_ex, dict) else wf_ex.to_dict())
Пример #5
0
    def put(self, id, wf_ex):
        """Update the specified workflow execution.

        :param id: execution ID.
        :param wf_ex: Execution object.
        """
        acl.enforce('executions:update', context.ctx())
        LOG.info('Update execution [id=%s, execution=%s]' % (id, wf_ex))

        db_api.ensure_workflow_execution_exists(id)

        delta = {}

        if wf_ex.state:
            delta['state'] = wf_ex.state

        if wf_ex.description:
            delta['description'] = wf_ex.description

        if wf_ex.params and wf_ex.params.get('env'):
            delta['env'] = wf_ex.params.get('env')

        # Currently we can change only state, description, or env.
        if len(delta.values()) <= 0:
            raise exc.InputException(
                'The property state, description, or env '
                'is not provided for update.'
            )

        # Description cannot be updated together with state.
        if delta.get('description') and delta.get('state'):
            raise exc.InputException(
                'The property description must be updated '
                'separately from state.'
            )

        # If state change, environment cannot be updated if not RUNNING.
        if (delta.get('env') and
                delta.get('state') and delta['state'] != states.RUNNING):
            raise exc.InputException(
                'The property env can only be updated when workflow '
                'execution is not running or on resume from pause.'
            )

        if delta.get('description'):
            wf_ex = db_api.update_workflow_execution(
                id,
                {'description': delta['description']}
            )

        if not delta.get('state') and delta.get('env'):
            with db_api.transaction():
                wf_ex = db_api.get_workflow_execution(id)
                wf_ex = wf_service.update_workflow_execution_env(
                    wf_ex,
                    delta.get('env')
                )

        if delta.get('state'):
            if delta.get('state') == states.PAUSED:
                wf_ex = rpc.get_engine_client().pause_workflow(id)
            elif delta.get('state') == states.RUNNING:
                wf_ex = rpc.get_engine_client().resume_workflow(
                    id,
                    env=delta.get('env')
                )
            elif delta.get('state') in [states.SUCCESS, states.ERROR]:
                msg = wf_ex.state_info if wf_ex.state_info else None
                wf_ex = rpc.get_engine_client().stop_workflow(
                    id,
                    delta.get('state'),
                    msg
                )
            else:
                # To prevent changing state in other cases throw a message.
                raise exc.InputException(
                    "Cannot change state to %s. Allowed states are: '%s" % (
                        wf_ex.state,
                        ', '.join([
                            states.RUNNING,
                            states.PAUSED,
                            states.SUCCESS,
                            states.ERROR
                        ])
                    )
                )

        return Execution.from_dict(
            wf_ex if isinstance(wf_ex, dict) else wf_ex.to_dict()
        )