logger.py 1.67 KB
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#!/usr/bin/python
#
# Copyright 2021-2023 H2020 TeraFlow (https://www.teraflow-h2020.eu/)
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#
# 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.

import logging
import sys
from pythonjsonlogger import jsonlogger


# TODO(yoshifumi) this class is duplicated since other Python services are
# not sharing the modules for logging.
class CustomJsonFormatter(jsonlogger.JsonFormatter):
    def add_fields(self, log_record, record, message_dict):
        super(CustomJsonFormatter, self).add_fields(log_record, record, message_dict)
        if not log_record.get('timestamp'):
            log_record['timestamp'] = record.created
        if log_record.get('severity'):
            log_record['severity'] = log_record['severity'].upper()
        else:
            log_record['severity'] = record.levelname


def getJSONLogger(name):
    logger = logging.getLogger(name)
    handler = logging.StreamHandler(sys.stdout)
    # formatter = CustomJsonFormatter('(timestamp) (severity) (name) (message)')
    formatter = logging.Formatter('[%(asctime)s] {%(pathname)s:%(lineno)d} %(levelname)s - %(message)s')
    handler.setFormatter(formatter)
    logger.addHandler(handler)
    logger.setLevel(logging.DEBUG)
    return logger