# ============LICENSE_START=======================================================
# Copyright (c) 2017-2018 AT&T Intellectual Property. 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.
# ============LICENSE_END=========================================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.

import os
import logging
import logging.handlers

'''Configures the module root logger'''
root = logging.getLogger()
if root.handlers:
    #root.handlers.clear()
    del root.handlers[:]
formatter = logging.Formatter('%(asctime)s | %(name)s | %(module)s | %(funcName)s | %(lineno)d |  %(levelname)s | %(message)s')
handler = logging.StreamHandler()
handler.setFormatter(formatter)
root.addHandler(handler)
fhandler = logging.handlers.RotatingFileHandler('./hb_logs.txt', maxBytes=(1048576*5), backupCount=10)
fhandler.setFormatter(formatter)
root.addHandler(fhandler)
root.setLevel("DEBUG")

class BadEnviornmentENVNotFound(Exception):
    pass

def get_logger(module=None):
    '''Returns a module-specific logger or global logger if the module is None'''
    return root if module is None else root.getChild(module)