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import logging
from logging import Logger, handlers
import sys
import time
class GLogger(Logger):
"""Logger customizations for gsyncd.
It implements a log format similar to that of glusterfs.
"""
def makeRecord(self, name, level, *a):
rv = Logger.makeRecord(self, name, level, *a)
rv.nsecs = (rv.created - int(rv.created)) * 1000000
fr = sys._getframe(4)
callee = fr.f_locals.get('self')
if callee:
ctx = str(type(callee)).split("'")[1].split('.')[-1]
else:
ctx = '<top>'
if not hasattr(rv, 'funcName'):
rv.funcName = fr.f_code.co_name
rv.lvlnam = logging.getLevelName(level)[0]
rv.ctx = ctx
return rv
LOGFMT = ("[%(asctime)s.%(nsecs)d] %(lvlnam)s [%(module)s{0}"
":%(lineno)s:%(funcName)s] %(ctx)s: %(message)s")
def setup_logging(level="INFO", label="", log_file=""):
if label:
label = "(" + label + ")"
filename = None
stream = None
if log_file:
if log_file in ('-', '/dev/stderr'):
stream = sys.stderr
elif log_file == '/dev/stdout':
stream = sys.stdout
else:
filename = log_file
datefmt = "%Y-%m-%d %H:%M:%S"
fmt = LOGFMT.format(label)
logging.root = GLogger("root", level)
logging.setLoggerClass(GLogger)
logging.Formatter.converter = time.gmtime # Log in GMT/UTC time
logging.getLogger().handlers = []
logging.getLogger().setLevel(level)
if filename is not None:
logging_handler = handlers.WatchedFileHandler(filename)
formatter = logging.Formatter(fmt=fmt,
datefmt=datefmt)
logging_handler.setFormatter(formatter)
logging.getLogger().addHandler(logging_handler)
else:
logging.basicConfig(stream=stream,
format=fmt,
datefmt=datefmt,
level=level)
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