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Log to file only if the file exists

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If LOG_FILE config option contained invalid file, pdns admin wouldn't start.
Also, it wasn't possible to log only to stdout/stderr correctly, because
setting the log file to /dev/stdout would double the logs messages as the pdns
admin is already logging to the stderr.
This commit is contained in:
Peter Schiffer
2016-08-31 23:11:04 +02:00
parent 59e91ec7b9
commit 444be2c060
2 changed files with 11 additions and 8 deletions
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15
app/lib/log.py
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@ -27,18 +27,21 @@ class logger(object):
# set request requests module log level
logging.getLogger("requests").setLevel(logging.CRITICAL)
# define handler to log into file
file_log_handler = logging.FileHandler(self.logfile)
logger.addHandler(file_log_handler)
if self.logfile and os.path.isfile(self.logfile):
# define handler to log into file
file_log_handler = logging.FileHandler(self.logfile)
logger.addHandler(file_log_handler)
# define logging format for file
file_formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
file_log_handler.setFormatter(file_formatter)
# define handler to log into console
stderr_log_handler = logging.StreamHandler()
logger.addHandler(stderr_log_handler)
# define logging format for file and console
file_formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
# define logging format for console
console_formatter = logging.Formatter('[%(levelname)s] %(message)s')
file_log_handler.setFormatter(file_formatter)
stderr_log_handler.setFormatter(console_formatter)
return logging.getLogger(self.name)