Django:无法配置处理程序“系统日志" [英] Django: Unable to configure handler 'syslog'
问题描述
我从 django 项目制作了 docker 镜像,它开始产生我以前从未有过的错误.该错误似乎与日志记录有关,特别是 syslog.起初,我认为 docker 镜像中缺少 /dev/log
会导致错误.所以我在 docker 文件中添加了一行来创建 /dev/
文件夹和 log
文件.但是,错误并没有消失.
I make docker image from django project, and it started to create error that I never had before. The error is seems like related to logging, specifically syslog. At first, I thought that missing /dev/log
in docker image creates an error. So I added line to docker file to create /dev/
folder and log
file. However, The error did not disappear.
这是错误日志.
File "/usr/local/lib/python2.7/site-packages/django/utils/autoreload.py", line 228, in wrapper
fn(*args, **kwargs)
File "/usr/local/lib/python2.7/site-packages/django/core/management/commands/runserver.py", line 116, in inner_run
autoreload.raise_last_exception()
File "/usr/local/lib/python2.7/site-packages/django/utils/autoreload.py", line 251, in raise_last_exception
six.reraise(*_exception)
File "/usr/local/lib/python2.7/site-packages/django/utils/autoreload.py", line 228, in wrapper
fn(*args, **kwargs)
File "/usr/local/lib/python2.7/site-packages/django/__init__.py", line 22, in setup
configure_logging(settings.LOGGING_CONFIG, settings.LOGGING)
File "/usr/local/lib/python2.7/site-packages/django/utils/log.py", line 75, in configure_logging
logging_config_func(logging_settings)
File "/usr/local/lib/python2.7/logging/config.py", line 794, in dictConfig
dictConfigClass(config).configure()
File "/usr/local/lib/python2.7/logging/config.py", line 576, in configure
'%r: %s' % (name, e))
ValueError: Unable to configure handler 'syslog': [Errno 2] No such file or directory
这是日志相关设置.
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'handlers': {
'mail_admins': {
'level': 'ERROR',
'class': 'django.utils.log.AdminEmailHandler'
},
'syslog': {
'level': 'DEBUG',
'class': 'logging.handlers.SysLogHandler',
'facility': 'user',
'address': '/dev/log',
},
'null': {
'level': 'DEBUG',
'class': 'logging.NullHandler',
},
'stream': {
'level': 'INFO',
'class': 'logging.StreamHandler'
},
},
'loggers': {
'root': {
'handlers': ['syslog', 'mail_admins'],
'level': 'ERROR',
},
'SocialAuth': {
'handlers': ['mail_admins'],
'level': 'WARN',
},
'django': {
'handlers': ['syslog', 'mail_admins'],
'level': 'ERROR',
},
}
我创建了文件夹和路径 /dev/log
,但似乎这不是问题.
I created folder and path /dev/log
, but seems like that is not the problem.
推荐答案
第一个问题是你的文件系统中没有 /dev/log
(/dev
是通常作为 tmpfs
安装,而不是作为驱动器支持的 FS).
The first problem is that there is no /dev/log
in your filesystem (/dev
is usually mounted as a tmpfs
, not as a drive-backed FS).
下一个问题是 SysLogHandler
(logging.handlers.SysLogHandler
) 要求 address
是一个 UNIX 域套接字,不是别的.因此,您需要创建一个 UNIX 套接字 /dev/log
并在 Django SysLogHandler
中传递地址.
And the next issue is that that the SysLogHandler
(logging.handlers.SysLogHandler
) requires the address
to be a UNIX domain socket, not anything else. So, you need to create a UNIX socket /dev/log
and pass on the address in Django SysLogHandler
.
如果您的版本支持 -U
选项,您可以通过 nc
(netcat
) 创建一个 UNIX 域 sokcet:
You can create a UNIX domain sokcet via nc
(netcat
), if your version supports the -U
option:
nc -lU /dev/log
或者您可以直接在 Python 中创建套接字 create 并提及地址族为 AF_UNIX
:
Or you can create the socket create directly in Python mentioning the address family as AF_UNIX
:
import sokcet
sock = socket.socket(socket.AF_UNIX)
sock.bind('/dev/log')
在创建容器时,上述任何一项都可以作为 Dockerfile
/docker-compose.yml
中的命令.
And any of the above can go as a command in Dockerfile
/docker-compose.yml
while creating your container.
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