blakeblackshear.frigate/frigate/log.py
Nicolas Mowen baf671b764
Cleanup and organize utils (#7033)
* Force birdseye cameras into standard aspect ratios

* Organize utils

* Update tests

* Formatting

* Isort

* Fix tests

* Cleanup

* isort
2023-07-06 09:28:50 -05:00

107 lines
3.1 KiB
Python

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