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# Copyright (c) 2022, Dell Inc. or its subsidiaries. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
# See the LICENSE file for details.
#
# This file is part of NVMe STorage Appliance Services (nvme-stas).
#
# Authors: Martin Belanger <Martin.Belanger@dell.com>
#
'''nvme-stas logging module'''
import sys
import logging
from staslib import defs
def init(syslog: bool):
'''Init log module
@param syslog: True to send messages to the syslog,
False to send messages to stdout.
'''
log = logging.getLogger()
log.propagate = False
if syslog:
try:
# Try journal logger first
import systemd.journal # pylint: disable=import-outside-toplevel
handler = systemd.journal.JournalHandler(SYSLOG_IDENTIFIER=defs.PROG_NAME)
except ModuleNotFoundError:
# Go back to standard syslog handler
from logging.handlers import SysLogHandler # pylint: disable=import-outside-toplevel
handler = SysLogHandler(address="/dev/log")
handler.setFormatter(logging.Formatter(f'{defs.PROG_NAME}: %(message)s'))
else:
# Log to stdout
handler = logging.StreamHandler(stream=sys.stdout)
log.addHandler(handler)
log.setLevel(logging.INFO if syslog else logging.DEBUG)
def level() -> str:
'''@brief return current log level'''
logger = logging.getLogger()
return str(logging.getLevelName(logger.getEffectiveLevel()))
def set_level_from_tron(tron):
'''Set log level based on TRON'''
logger = logging.getLogger()
logger.setLevel(logging.DEBUG if tron else logging.INFO)
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