Пример #1
0
    def set_state(self, state, state_info=None, recursive=False):
        assert self.wf_ex

        cur_state = self.wf_ex.state

        if states.is_valid_transition(cur_state, state):
            wf_ex = db_api.update_workflow_execution_state(
                id=self.wf_ex.id,
                cur_state=cur_state,
                state=state
            )

            if wf_ex is None:
                # Do nothing because the state was updated previously.
                return

            self.wf_ex = wf_ex
            self.wf_ex.state_info = state_info

            wf_trace.info(
                self.wf_ex,
                "Workflow '%s' [%s -> %s, msg=%s]"
                % (self.wf_ex.workflow_name, cur_state, state, state_info)
            )
        else:
            msg = ("Can't change workflow execution state from %s to %s. "
                   "[workflow=%s, execution_id=%s]" %
                   (cur_state, state, self.wf_ex.name, self.wf_ex.id))

            raise exc.WorkflowException(msg)

        # Workflow result should be accepted by parent workflows (if any)
        # only if it completed successfully or failed.
        self.wf_ex.accepted = states.is_completed(state)

        if states.is_completed(state):
            # No need to keep task executions of this workflow in the
            # lookup cache anymore.
            lookup_utils.invalidate_cached_task_executions(self.wf_ex.id)

            triggers.on_workflow_complete(self.wf_ex)

        if recursive and self.wf_ex.task_execution_id:
            parent_task_ex = db_api.get_task_execution(
                self.wf_ex.task_execution_id
            )

            parent_wf = Workflow(wf_ex=parent_task_ex.workflow_execution)

            parent_wf.lock()

            parent_wf.set_state(state, recursive=recursive)

            # TODO(rakhmerov): It'd be better to use instance of Task here.
            parent_task_ex.state = state
            parent_task_ex.state_info = None
            parent_task_ex.processed = False
Пример #2
0
    def set_state(self, state, state_info=None):
        assert self.wf_ex

        cur_state = self.wf_ex.state

        if states.is_valid_transition(cur_state, state):
            wf_ex = db_api.update_workflow_execution_state(
                id=self.wf_ex.id,
                cur_state=cur_state,
                state=state
            )

            if wf_ex is None:
                # Do nothing because the state was updated previously.
                return False

            self.wf_ex = wf_ex
            self.wf_ex.state_info = json.dumps(state_info) \
                if isinstance(state_info, dict) else state_info

            wf_trace.info(
                self.wf_ex,
                "Workflow '%s' [%s -> %s, msg=%s]" %
                (self.wf_ex.workflow_name,
                 cur_state,
                 state,
                 self.wf_ex.state_info)
            )
        else:
            msg = ("Can't change workflow execution state from %s to %s. "
                   "[workflow=%s, execution_id=%s]" %
                   (cur_state, state, self.wf_ex.name, self.wf_ex.id))

            raise exc.WorkflowException(msg)

        # Workflow result should be accepted by parent workflows (if any)
        # only if it completed successfully or failed.
        self.wf_ex.accepted = states.is_completed(state)

        if states.is_completed(state):
            triggers.on_workflow_complete(self.wf_ex)

        return True
Пример #3
0
    def set_state(self, state, state_info=None):
        assert self.wf_ex

        cur_state = self.wf_ex.state

        if states.is_valid_transition(cur_state, state):
            wf_ex = db_api.update_workflow_execution_state(
                id=self.wf_ex.id,
                cur_state=cur_state,
                state=state
            )

            if wf_ex is None:
                # Do nothing because the state was updated previously.
                return False

            self.wf_ex = wf_ex
            self.wf_ex.state_info = json.dumps(state_info) \
                if isinstance(state_info, dict) else state_info

            wf_trace.info(
                self.wf_ex,
                "Workflow '%s' [%s -> %s, msg=%s]" %
                (self.wf_ex.workflow_name,
                 cur_state,
                 state,
                 self.wf_ex.state_info)
            )
        else:
            msg = ("Can't change workflow execution state from %s to %s. "
                   "[workflow=%s, execution_id=%s]" %
                   (cur_state, state, self.wf_ex.name, self.wf_ex.id))

            raise exc.WorkflowException(msg)

        # Workflow result should be accepted by parent workflows (if any)
        # only if it completed successfully or failed.
        self.wf_ex.accepted = states.is_completed(state)

        if states.is_completed(state):
            triggers.on_workflow_complete(self.wf_ex)

        return True