--- /dev/null
+#!/usr/bin/env python
+##############################################################################
+# Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
+#
+# 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
+##############################################################################
+# Logging levels:
+# Level Numeric value
+# CRITICAL 50
+# ERROR 40
+# WARNING 30
+# INFO 20
+# DEBUG 10
+# NOTSET 0
+
+import logging
+import os
+
+# from bottlenecks_cfg import Bottlenecks_cfg as bn_cfg
+
+
+class Logger:
+ def __init__(self, logger_name):
+
+ #if user set --debug as a cli parameter
+ #we will set this variable “Debug” to output debug info.
+ DEBUG = os.getenv('DEBUG')
+
+ self.logger = logging.getLogger(logger_name)
+ self.logger.propagate = 0
+ self.logger.setLevel(logging.DEBUG)
+
+ ch = logging.StreamHandler()
+ log_formatter = ('%(asctime)s '
+ '%(name)s %(filename)s:%(lineno)d '
+ '%(levelname)s %(message)s')
+
+ formatter = logging.Formatter(log_formatter)
+
+ ch.setFormatter(formatter)
+ if DEBUG is not None and DEBUG.lower() == "true":
+ ch.setLevel(logging.DEBUG)
+ else:
+ ch.setLevel(logging.INFO)
+ self.logger.addHandler(ch)
+
+# result_path = bn_cfg.['log_dir']
+# if not os.path.exists(result_path):
+# os.makedirs(result_path)
+ hdlr = logging.FileHandler('/tmp/bottlenecks.log')
+ hdlr.setFormatter(formatter)
+ hdlr.setLevel(logging.DEBUG)
+ self.logger.addHandler(hdlr)
+
+ def getLogger(self):
+ return self.logger
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