diff options
Diffstat (limited to 'src/lib/Logger.py')
-rw-r--r-- | src/lib/Logger.py | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/src/lib/Logger.py b/src/lib/Logger.py deleted file mode 100644 index 06aae615e..000000000 --- a/src/lib/Logger.py +++ /dev/null @@ -1,180 +0,0 @@ -"""Bcfg2 logging support""" - -import copy -import fcntl -import logging -import logging.handlers -import math -import socket -import struct -import sys -import termios - -logging.raiseExceptions = 0 - - -class TermiosFormatter(logging.Formatter): - """The termios formatter displays output - in a terminal-sensitive fashion. - """ - - def __init__(self, fmt=None, datefmt=None): - logging.Formatter.__init__(self, fmt, datefmt) - if sys.stdout.isatty(): - # now get termios info - try: - self.width = struct.unpack('hhhh', - fcntl.ioctl(0, - termios.TIOCGWINSZ, - "\000" * 8))[1] - if self.width == 0: - self.width = 80 - except: - self.width = 80 - else: - # output to a pipe - self.width = 32768 - - def format(self, record): - '''format a record for display''' - returns = [] - line_len = self.width - if isinstance(record.msg, str): - for line in record.msg.split('\n'): - if len(line) <= line_len: - returns.append(line) - else: - inner_lines = int(math.floor(float(len(line)) / line_len)) + 1 - for i in range(inner_lines): - returns.append("%s" % (line[i * line_len:(i + 1) * line_len])) - elif isinstance(record.msg, list): - if not record.msg: - return '' - record.msg.sort() - msgwidth = self.width - columnWidth = max([len(item) for item in record.msg]) - columns = int(math.floor(float(msgwidth) / (columnWidth + 2))) - lines = int(math.ceil(float(len(record.msg)) / columns)) - for lineNumber in range(lines): - indices = [idx for idx in [(colNum * lines) + lineNumber - for colNum in range(columns)] if idx < len(record.msg)] - format = (len(indices) * (" %%-%ds " % columnWidth)) - returns.append(format % tuple([record.msg[idx] for idx in indices])) - else: - returns.append(str(record.msg)) - if record.exc_info: - returns.append(self.formatException(record.exc_info)) - return '\n'.join(returns) - - -class FragmentingSysLogHandler(logging.handlers.SysLogHandler): - """ - This handler fragments messages into - chunks smaller than 250 characters - """ - - def __init__(self, procname, path, facility): - self.procname = procname - self.unixsocket = False - logging.handlers.SysLogHandler.__init__(self, path, facility) - - def emit(self, record): - """Chunk and deliver records.""" - record.name = self.procname - if isinstance(record.msg, str): - msgs = [] - error = record.exc_info - record.exc_info = None - msgdata = record.msg - while msgdata: - newrec = copy.copy(record) - newrec.msg = msgdata[:250] - msgs.append(newrec) - msgdata = msgdata[250:] - msgs[0].exc_info = error - else: - msgs = [record] - for newrec in msgs: - msg = self.log_format_string % (self.encodePriority(self.facility, - newrec.levelname.lower()), - self.format(newrec)) - try: - self.socket.send(msg.encode('ascii')) - except socket.error: - for i in range(10): - try: - if isinstance(self.address, tuple): - self.socket = socket.socket(socket.AF_INET, - socket.SOCK_DGRAM) - self.socket.connect(self.address) - else: - self._connect_unixsocket(self.address) - break - except socket.error: - continue - try: - self.socket.send("Reconnected to syslog") - self.socket.send(msg) - except: - """ - If we still fail then drop it. Running bcfg2-server as non-root can - trigger permission denied exceptions. - """ - pass - - -def add_console_handler(level): - """Add a logging handler that logs at a level to sys.stdout.""" - console = logging.StreamHandler(sys.stdout) - if level is True: - console.setLevel(logging.DEBUG) - else: - console.setLevel(level) - # tell the handler to use this format - console.setFormatter(TermiosFormatter()) - logging.root.addHandler(console) - - -def add_syslog_handler(procname, syslog_facility): - """Add a logging handler that logs as procname to syslog_facility.""" - try: - try: - syslog = FragmentingSysLogHandler(procname, - '/dev/log', - syslog_facility) - except socket.error: - syslog = FragmentingSysLogHandler(procname, - ('localhost', 514), - syslog_facility) - syslog.setLevel(logging.DEBUG) - syslog.setFormatter(logging.Formatter('%(name)s[%(process)d]: %(message)s')) - logging.root.addHandler(syslog) - except socket.error: - logging.root.error("failed to activate syslogging") - except: - print("Failed to activate syslogging") - - -def add_file_handler(to_file): - """Add a logging handler that logs to to_file.""" - filelog = logging.FileHandler(to_file) - filelog.setLevel(logging.DEBUG) - filelog.setFormatter(logging.Formatter('%(asctime)s %(name)s[%(process)d]: %(message)s')) - logging.root.addHandler(filelog) - - -def setup_logging(procname, to_console=True, to_syslog=True, - syslog_facility='daemon', level=0, to_file=None): - """Setup logging for Bcfg2 software.""" - if hasattr(logging, 'already_setup'): - return - - if to_console: - add_console_handler(to_console) - if to_syslog: - add_syslog_handler(procname, syslog_facility) - if to_file is not None: - add_file_handler(to_file) - - logging.root.setLevel(level) - logging.already_setup = True |