Django日志记录旋转文件不起作用 [英] Django Logging Rotating files not working
问题描述
因此,当Django日志记录的大小达到maxBytes
时,我遇到了一些问题.基本上,发生这种情况时,文件似乎不会旋转并创建新文件.
So i am having some issues with Django logging when it gets to the maxBytes
size. Basically when that happens the file does not seem to rotate and create a new file.
有人告诉我,这可能与服务器的写入权限有关,但是我不确定如何正确设置该值,以便django能够在旧文件已满时创建新的日志文件.
Someone told me this could have something to do with the writing permissions of the server but i am not sure how to set that properly so that django is able to create a new log file when the old one is full.
我的设置
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'filters': {
'require_debug_false': {
'()': 'django.utils.log.RequireDebugFalse'
}
},
'formatters': {
'verbose': {
'format': "[%(asctime)s] %(levelname)s [%(name)s:%(lineno)s] %(message)s",
'datefmt': "%d/%b/%Y %H:%M:%S"
},
'simple': {
'format': '[%(levelname)-7s] %(asctime)s - %(message)s'
},
},
'handlers': {
'mail_admins': {
'level': 'ERROR',
'filters': ['require_debug_false'],
'class': 'django.utils.log.AdminEmailHandler'
},
'console': {
'level': 'INFO',
'class': 'logging.StreamHandler'
},
'boom_file': {
'level': 'DEBUG',
'class': 'logging.handlers.RotatingFileHandler',
'maxBytes': 1024*1024*10, # 10 MB
'backupCount': 10,
'filename': '/var/log/boom.log',
'formatter': 'simple'
},
'binglaw_crawler_file': {
'level': 'DEBUG',
'class': 'logging.handlers.RotatingFileHandler',
'maxBytes': 1024*1024*10, # 10 MB
'backupCount': 10,
'filename': '/var/log/boom-binglaw-crawler.log',
'formatter': 'simple'
},
},
'loggers': {
'django.request': {
'handlers': ['mail_admins'],
'level': 'ERROR',
'propagate': True,
},
'boom': {
'handlers': ['console', 'boom_file'],
'propagate': True,
'level': 'DEBUG',
},
'boom.binglaw_crawler': {
'handlers': ['binglaw_crawler_file', ],
'propagate': False,
'level': 'DEBUG',
},
}
}
我注意到我的另一根芹菜似乎在旋转,就好了..那不奇怪吗?
i noticed my other log celeryd seems o be rotaing just fine.. isnt that strange?
-rw-r--rw- 1 root root 10485721 Aug 18 12:12 boom-binglaw-crawler.log
-rw-r--r-- 1 root root 403506 Nov 8 23:42 boom-celeryd.log
-rw-r--r-- 1 root root 20201 Oct 2 12:47 boom-celeryd.log.1
-rw-r--rw- 1 root root 1049478 Oct 1 18:49 boom-celeryd.log.2
更新:
当我尝试运行创建日志文件的管理命令时出现此错误
i am getting this error when i try to run the manage command that creates the log file
Traceback (most recent call last):
File "/usr/lib/python2.7/logging/handlers.py", line 77, in emit
self.doRollover()
File "/usr/lib/python2.7/logging/handlers.py", line 142, in doRollover
os.rename(self.baseFilename, dfn)
OSError: [Errno 13] Permission denied
推荐答案
在Django日志记录中使用"logging.handlers.RotatingFileHandler"时,出现此错误:
When using the 'logging.handlers.RotatingFileHandler' in Django logging, I had this error:
Traceback (most recent call last):
File "C:\Python33\lib\logging\handlers.py", line 73, in emit
self.doRollover()
File "C:\Python33\lib\logging\handlers.py", line 176, in doRollover
self.rotate(self.baseFilename, dfn)
File "C:\Python33\lib\logging\handlers.py", line 116, in rotate
os.rename(source, dest)
PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'log.txt.1'
这个错误发生在我身上,因为当我启动Django时,它似乎启动了两个不同的进程.这两个过程都将设置日志记录,这意味着它们都将获取在"settings.py"配置文件中定义的相同LOGGING文件的句柄.
This error was happening to me because when I start Django, it seems to start 2 different processes. Both processes setup logging, which means both get a handle to the same LOGGING files defined in 'settings.py' config file.
我在设置LOGGING变量之前,将这一行添加到settings.py文件中.
I added this line to my settings.py file, right before I set my LOGGING variable.
print("Initializing LOGGING in settings.py - if you see this more than once use 'runserver --noreload'")
如果使用"manage.py runserver -noreload "参数启动应用,则可以解决文件争用问题.
If you start the app with 'manage.py runserver --noreload' parameter, it may cure your file contention issue.
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