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import os |
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import sys |
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import time |
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import logging |
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from exabgp.logger.handler import getLogger |
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from exabgp.logger.format import formater |
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def echo(_): |
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return _ |
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class option(object): |
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logger = None |
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formater = echo |
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short = False |
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level = 'WARNING' |
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logit = {} |
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cwd = '' |
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# where the log should go, stdout, stderr, file, syslog, ... |
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destination = '' |
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enabled = { |
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'pdb': False, |
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'reactor': False, |
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'daemon': False, |
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'processes': False, |
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'configuration': False, |
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'network': False, |
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'wire': False, |
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'message': False, |
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'rib': False, |
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'timer': False, |
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'routes': False, |
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'parser': False, |
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} |
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@classmethod |
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def _set_level(cls, level): |
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cls.level = level |
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levels = 'FATAL CRITICAL ERROR WARNING INFO DEBUG NOTSET' |
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index = levels.index(level) |
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for level in levels.split(): |
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cls.logit[level] = levels.index(level) <= index |
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@classmethod |
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def log_enabled(cls, source, level): |
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return cls.enabled.get(source, True) and cls.logit.get(level, False) |
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@classmethod |
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def load(cls, env): |
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cls.pid = os.getpid() |
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cls.cwd = os.getcwd() |
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cls.short = env.log.short |
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cls._set_level(env.log.level) |
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cls.option = { |
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'pdb': env.debug.pdb, |
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'reactor': env.log.enable and (env.log.all or env.log.reactor), |
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'daemon': env.log.enable and (env.log.all or env.log.daemon), |
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'processes': env.log.enable and (env.log.all or env.log.processes), |
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'configuration': env.log.enable and (env.log.all or env.log.configuration), |
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'network': env.log.enable and (env.log.all or env.log.network), |
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'wire': env.log.enable and (env.log.all or env.log.packets), |
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'message': env.log.enable and (env.log.all or env.log.message), |
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'rib': env.log.enable and (env.log.all or env.log.rib), |
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'timer': env.log.enable and (env.log.all or env.log.timers), |
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'routes': env.log.enable and (env.log.all or env.log.routes), |
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'parser': env.log.enable and (env.log.all or env.log.parser), |
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} |
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destination = env.log.destination |
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if destination in ('stdout', 'stderr', 'syslog'): |
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cls.destination = destination |
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elif destination.startwith('file:'): |
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cls.destination = destination[5:] |
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else: |
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cls.destination = 'stdout' |
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@classmethod |
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def setup(cls, env): |
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cls.load(env) |
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# the time is used as we will need to re-init the logger once |
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# we have dropped root privileges so that any permission issues |
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# can be noticed at start time (and not once we try to rotate file for example) |
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now = str(time.time()) |
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if cls.destination == 'stdout': |
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cls.logger = getLogger(f'ExaBGP stdout {now}', format='%(message)s', stream=sys.stderr, level=cls.level,) |
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cls.formater = formater(env.log.short, 'stdout') |
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return |
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if cls.destination == 'stdout': |
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cls.logger = getLogger(f'ExaBGP stderr {now}', format='%(message)s', stream=sys.stderr, level=cls.level,) |
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cls.formater = formater(env.log.short, 'stderr') |
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return |
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# if cls.destination == 'file': |
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# os.path.realpath(os.path.normpath(os.path.join(cls._cwd, destination))) |
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# _logger = getLogger('ExaBGP file', filename='') |
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# _format = formater(cls.enabled, 'stderr') |
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if cls.destination == 'syslog': |
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cls.logger = getLogger( |
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f'ExaBGP syslog {now}', |
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format='%(message)s', |
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address='/var/run/syslog' if sys.platform == 'darwin' else '/dev/log', |
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level=cls.level, |
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) |
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cls.formater = formater(env.log.short, 'syslog') |
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# need to re-add remote syslog |
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