mirror of
https://github.com/blakeblackshear/frigate.git
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107 lines
3.1 KiB
Python
107 lines
3.1 KiB
Python
# adapted from https://medium.com/@jonathonbao/python3-logging-with-multiprocessing-f51f460b8778
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import logging
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import multiprocessing as mp
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import os
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import queue
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import signal
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import threading
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from collections import deque
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from logging import handlers
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from types import FrameType
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from typing import Deque, Optional
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from faster_fifo import Queue
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from setproctitle import setproctitle
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from frigate.util import clean_camera_user_pass
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def listener_configurer() -> None:
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root = logging.getLogger()
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if root.hasHandlers():
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root.handlers.clear()
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console_handler = logging.StreamHandler()
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formatter = logging.Formatter(
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"[%(asctime)s] %(name)-30s %(levelname)-8s: %(message)s", "%Y-%m-%d %H:%M:%S"
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)
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console_handler.setFormatter(formatter)
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root.addHandler(console_handler)
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root.setLevel(logging.INFO)
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def root_configurer(queue: Queue) -> None:
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h = handlers.QueueHandler(queue)
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root = logging.getLogger()
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if root.hasHandlers():
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root.handlers.clear()
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root.addHandler(h)
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root.setLevel(logging.INFO)
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def log_process(log_queue: Queue) -> None:
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threading.current_thread().name = "logger"
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setproctitle("frigate.logger")
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listener_configurer()
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stop_event = mp.Event()
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def receiveSignal(signalNumber: int, frame: Optional[FrameType]) -> None:
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stop_event.set()
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signal.signal(signal.SIGTERM, receiveSignal)
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signal.signal(signal.SIGINT, receiveSignal)
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while True:
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try:
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record = log_queue.get(timeout=1)
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except (queue.Empty, KeyboardInterrupt):
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if stop_event.is_set():
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break
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continue
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if record.msg.startswith("You are using a scalar distance function"):
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continue
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logger = logging.getLogger(record.name)
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logger.handle(record)
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# based on https://codereview.stackexchange.com/a/17959
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class LogPipe(threading.Thread):
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def __init__(self, log_name: str):
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"""Setup the object with a logger and start the thread"""
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threading.Thread.__init__(self)
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self.daemon = False
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self.logger = logging.getLogger(log_name)
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self.level = logging.ERROR
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self.deque: Deque[str] = deque(maxlen=100)
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self.fdRead, self.fdWrite = os.pipe()
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self.pipeReader = os.fdopen(self.fdRead)
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self.start()
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def cleanup_log(self, log: str) -> str:
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"""Cleanup the log line to remove sensitive info and string tokens."""
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log = clean_camera_user_pass(log).strip("\n")
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return log
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def fileno(self) -> int:
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"""Return the write file descriptor of the pipe"""
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return self.fdWrite
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def run(self) -> None:
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"""Run the thread, logging everything."""
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for line in iter(self.pipeReader.readline, ""):
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self.deque.append(self.cleanup_log(line))
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self.pipeReader.close()
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def dump(self) -> None:
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while len(self.deque) > 0:
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self.logger.log(self.level, self.deque.popleft())
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def close(self) -> None:
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"""Close the write end of the pipe."""
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os.close(self.fdWrite)
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