137 lines
4.0 KiB
Python
137 lines
4.0 KiB
Python
# Copyright (c) 2018 Red Hat, Inc.
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#
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# This file is part of ARA Records Ansible.
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#
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# ARA is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# ARA is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with ARA. If not, see <http://www.gnu.org/licenses/>.
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# Note: This file tries to import itself if it's named logging, thus, logger.
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import logging
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import logging.config
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import os
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import yaml
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from ara.config.compat import ara_config
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DEFAULT_LOG_CONFIG = """
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---
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version: 1
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disable_existing_loggers: false
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formatters:
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ara_standard:
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format: '%(asctime)s %(levelname)s %(name)s: %(message)s'
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handlers:
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ara_console:
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class: logging.StreamHandler
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formatter: ara_standard
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level: INFO
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stream: ext://sys.stdout
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ara_file:
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class: logging.handlers.TimedRotatingFileHandler
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formatter: ara_standard
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level: {level}
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filename: '{dir}/{file}'
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when: 'midnight'
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interval: 1
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backupCount: 30
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loggers:
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ara:
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handlers:
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- ara_file
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level: {level}
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propagate: 0
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alembic:
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handlers:
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- ara_console
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- ara_file
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level: WARN
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propagate: 0
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sqlalchemy.engine:
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handlers:
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- ara_file
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level: WARN
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propagate: 0
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werkzeug:
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handlers:
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- ara_console
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- ara_file
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level: INFO
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propagate: 0
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"""
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class LogConfig(object):
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def __init__(self):
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default_dir = ara_config('dir', 'ARA_DIR',
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os.path.expanduser('~/.ara'))
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self.ARA_LOG_CONFIG = ara_config(
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'logconfig', 'ARA_LOG_CONFIG', os.path.join(default_dir,
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'logging.yml')
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)
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self.ARA_LOG_DIR = ara_config('logdir', 'ARA_LOG_DIR', default_dir)
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self.ARA_LOG_FILE = ara_config('logfile', 'ARA_LOG_FILE', 'ara.log')
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self.ARA_LOG_LEVEL = ara_config('loglevel', 'ARA_LOG_LEVEL', 'INFO')
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if self.ARA_LOG_LEVEL == 'DEBUG':
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self.ARA_ENABLE_DEBUG_VIEW = True
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else:
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self.ARA_ENABLE_DEBUG_VIEW = False
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@property
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def config(self):
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""" Returns a dictionary for the loaded configuration """
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return {
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key: self.__dict__[key]
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for key in dir(self)
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if key.isupper()
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}
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def setup_logging(config=None):
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if config is None:
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config = LogConfig().config
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if not os.path.isdir(config['ARA_LOG_DIR']):
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os.makedirs(config['ARA_LOG_DIR'], mode=0o750)
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if not os.path.exists(config['ARA_LOG_CONFIG']):
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default_config = DEFAULT_LOG_CONFIG.format(
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dir=config['ARA_LOG_DIR'],
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file=config['ARA_LOG_FILE'],
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level=config['ARA_LOG_LEVEL']
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)
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with open(config['ARA_LOG_CONFIG'], 'w') as log_config:
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log_config.write(default_config.lstrip())
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ext = os.path.splitext(config['ARA_LOG_CONFIG'])[1]
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if ext in ('.yml', '.yaml', '.json'):
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# yaml.safe_load can load json as well as yaml
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logging.config.dictConfig(
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yaml.safe_load(open(config['ARA_LOG_CONFIG'], 'r'))
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)
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else:
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logging.config.fileConfig(
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config['ARA_LOG_CONFIG'],
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disable_existing_loggers=False
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)
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logger = logging.getLogger('ara.config.logging')
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msg = 'Logging: Level {level} from {config}, logging to {dir}/{file}'
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msg = msg.format(
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level=config['ARA_LOG_LEVEL'],
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config=config['ARA_LOG_CONFIG'],
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dir=config['ARA_LOG_DIR'],
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file=config['ARA_LOG_FILE'],
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)
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logger.debug(msg)
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