sfa/util/sfalogging.py

   1 import logging
   2 import os
   3 import traceback
   4
   5 #SFA access log initialization
   6 TMPDIR = os.getenv("TMPDIR", "/tmp")
   7 SFA_HTTPD_ACCESS_LOGFILE = TMPDIR + "/" + 'sfa_httpd_access.log'
   8 SFA_ACCESS_LOGFILE='/var/log/sfa_access.log'
   9 logger=logging.getLogger()
  10 #logger.setLevel(logging.INFO)
  11 logger.setLevel(logging.DEBUG)
  12
  13 try:
  14     logfile=logging.FileHandler(SFA_ACCESS_LOGFILE)
  15 except IOError:
  16     # This is usually a permissions error becaue the file is
  17     # owned by root, but httpd is trying to access it.
  18     logfile=logging.FileHandler(SFA_HTTPD_ACCESS_LOGFILE)
  19
  20 formatter = logging.Formatter("%(asctime)s - %(levelname)s - %(message)s")
  21 logfile.setFormatter(formatter)
  22 logger.addHandler(logfile)
  23 def get_sfa_logger():
  24     return logger
  25
  26 # logs an exception - use in an except statement
  27 def log_exc(message):
  28     logger.error("%s BEG TRACEBACK"%message+"\n"+traceback.format_exc().strip("\n"))
  29     logger.error("%s END TRACEBACK"%message)
  30
  31
  32 # for investigation purposes, can be placed anywhere
  33 def log_stack(message):
  34     to_log="".join(traceback.format_stack())
  35     logger.debug("%s BEG STACK"%message+"\n"+to_log)
  36     logger.debug("%s END STACK"%message)
  37
  38