39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
# Copyright 2016, 2017 IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_log import log as logging
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from taskflow import engines as tf_eng
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from taskflow.listeners import timing as tf_tm
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LOG = logging.getLogger(__name__)
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def run(flow, instance=None):
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"""Run a TaskFlow Flow with task timing and logging with instance.
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:param flow: A taskflow.flow.Flow to run.
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:param instance: A nova instance, for logging.
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:return: The result of taskflow.engines.run(), a dictionary of named
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results of the Flow's execution.
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"""
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def log_with_instance(*args, **kwargs):
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"""Wrapper for LOG.info(*args, **kwargs, instance=instance)."""
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if instance is not None:
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kwargs['instance'] = instance
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LOG.info(*args, **kwargs)
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eng = tf_eng.load(flow)
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with tf_tm.PrintingDurationListener(eng, printer=log_with_instance):
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return eng.run()
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