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##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
# liangqi1@huawei.com matthew.lijun@huawei.com
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import logging
import json
from oslo_config import cfg
from utils.dispatcher.base import Base as DispatchBase
CONF = cfg.CONF
opts = [
cfg.StrOpt('file_path',
default='/tmp/bottlenecks.out',
help='Name and the location of the file to record '
'data.'),
cfg.IntOpt('max_bytes',
default=0,
help='The max size of the file.'),
cfg.IntOpt('backup_count',
default=0,
help='The max number of the files to keep.'),
]
CONF.register_opts(opts, group="dispatcher_file")
class FileDispatcher(DispatchBase):
"""Dispatcher class for recording data to a file.
"""
__dispatcher_type__ = "File"
def __init__(self, conf):
super(FileDispatcher, self).__init__(conf)
self.log = None
# if the directory and path are configured, then log to the file
if CONF.dispatcher_file.file_path:
dispatcher_logger = logging.Logger('dispatcher.file')
dispatcher_logger.setLevel(logging.INFO)
# create rotating file handler which logs result
rfh = logging.handlers.RotatingFileHandler(
self.conf.get('file_path', CONF.dispatcher_file.file_path),
maxBytes=CONF.dispatcher_file.max_bytes,
backupCount=CONF.dispatcher_file.backup_count,
encoding='utf8')
rfh.setLevel(logging.INFO)
# Only wanted the data to be saved in the file, not the
# project root logger.
dispatcher_logger.propagate = False
dispatcher_logger.addHandler(rfh)
self.log = dispatcher_logger
def record_result_data(self, data):
if self.log:
self.log.info(json.dumps(data))
def flush_result_data(self):
pass
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