b9a047f27d
Record how long a task took to execute (or fail) by adding a new listener (and associated refactoring) that can be used to record these time statistics in storage. blueprint capture-task-duration Change-Id: I9c556e5dcbad924380ae4b94ffb03bc22edad50a
48 lines
1.7 KiB
Python
48 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright (C) 2013 Yahoo! Inc. All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
from __future__ import print_function
|
|
|
|
import sys
|
|
import traceback
|
|
|
|
from taskflow.listeners import base
|
|
from taskflow.utils import misc
|
|
|
|
|
|
class PrintingListener(base.LoggingBase):
|
|
"""Writes the task and flow notifications messages to stdout or stderr"""
|
|
def __init__(self, engine,
|
|
task_listen_for=(misc.TransitionNotifier.ANY,),
|
|
flow_listen_for=(misc.TransitionNotifier.ANY,),
|
|
stderr=False):
|
|
super(PrintingListener, self).__init__(engine,
|
|
task_listen_for=task_listen_for,
|
|
flow_listen_for=flow_listen_for)
|
|
if stderr:
|
|
self._file = sys.stderr
|
|
else:
|
|
self._file = sys.stdout
|
|
|
|
def _log(self, message, *args, **kwargs):
|
|
print(message % args, file=self._file)
|
|
exc_info = kwargs.get('exc_info')
|
|
if exc_info is not None:
|
|
traceback.print_exception(exc_info[0], exc_info[1], exc_info[2],
|
|
file=self._file)
|