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github-octodns/octodns/cmds/args.py

96 lines
3.1 KiB
Python

#
#
#
from argparse import ArgumentParser as _Base
from logging import DEBUG, INFO, WARNING, Formatter, StreamHandler, getLogger
from logging.handlers import SysLogHandler
from sys import stderr, stdout
from octodns import __VERSION__
class ArgumentParser(_Base):
'''
Manages argument parsing and adds some defaults and takes action on them.
Also manages logging setup.
'''
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
def parse_args(self, default_log_level=INFO):
version = f'octoDNS {__VERSION__}'
self.add_argument(
'--version',
action='version',
version=version,
help='Print octoDNS version and exit',
)
self.add_argument(
'--log-stream-stdout',
action='store_true',
default=False,
help='Log to stdout instead of stderr',
)
_help = 'Send logging data to syslog in addition to stderr'
self.add_argument(
'--log-syslog', action='store_true', default=False, help=_help
)
self.add_argument(
'--syslog-device', default='/dev/log', help='Syslog device'
)
self.add_argument(
'--syslog-facility', default='local0', help='Syslog facility'
)
_help = 'Increase verbosity to get details and help track down issues'
self.add_argument(
'--debug', action='store_true', default=False, help=_help
)
_help = 'Decrease verbosity to show only warnings, errors, and the plan'
self.add_argument(
'--quiet', action='store_true', default=False, help=_help
)
args = super().parse_args()
self._setup_logging(args, default_log_level)
return args
def _setup_logging(self, args, default_log_level):
fmt = '%(asctime)s [%(thread)d] %(levelname)-5s %(name)s %(message)s'
formatter = Formatter(fmt=fmt, datefmt='%Y-%m-%dT%H:%M:%S ')
stream = stdout if args.log_stream_stdout else stderr
handler = StreamHandler(stream=stream)
handler.setFormatter(formatter)
logger = getLogger()
logger.addHandler(handler)
if args.log_syslog:
fmt = (
'octodns[%(process)-5s:%(thread)d]: %(name)s '
'%(levelname)-5s %(message)s'
)
handler = SysLogHandler(
address=args.syslog_device, facility=args.syslog_facility
)
handler.setFormatter(Formatter(fmt=fmt))
logger.addHandler(handler)
logger.level = default_log_level
if args.debug:
logger.level = DEBUG
elif args.quiet:
logger.level = WARNING
# we still want plans to come out during quite so set the plan
# logger output to info in case the PlanLogger is being used
getLogger('Plan').setLevel(INFO)
# TODO: these should move out of octoDNS core...
# boto is noisy, set it to warn
getLogger('botocore').level = WARNING
# DynectSession is noisy too
getLogger('DynectSession').level = WARNING