只能用root运行uwsgi

Question

只能用root运行uwsgi

我正准备将nginx/uwsgi与烧瓶一起用于我正在开发的网站,但我遇到了问题.注意,使用flask的debug:5000端口,网站本身运行良好,但我想现在投入生产.解释我做了什么.

它是一个linode ubuntu 12.04LTS服务器,我安装它是这样的:

# install nginx
sudo apt-get install python-software-properties
sudo add-apt-repository ppa:nginx/stable
sudo apt-get update
sudo apt-get upgrade --show-upgraded
sudo apt-get install nginx-full
# installing uwsgi
sudo apt-get install build-essential python-dev libxml2-dev
sudo apt-get install libc6 libexpat1 libgd2-xpm libgeoip1 libpam0g libpcre3 libssl1.0.0 libxml2 libxslt1.1 zlib1g 
sudo pip install uwsgi
# python basics
sudo apt-get install python-pip build-essential python-dev
sudo pip install virtualenv
sudo pip install virtualenvwrapper
sudo mkdir -p /srv/www/li/
cd /srv/www/li/
virtualenv venv
source /srv/www/li/venv/bin/activate
pip install flask

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然后我开始配置一切,但我已经遇到了uwsgi的问题(更别提NGINX,这将是下一步.

sudo nano /etc/uwsgi/apps-available/li.xml

    <uwsgi> 
    <plugin>python</plugin> 
    <socket>/run/uwsgi/app/li.socket</socket>
    <chmod-socket>666</chmod-socket>
    <chdir>/srv/www/li</chdir>
    <pythonpath>/srv/www/li</pythonpath>
    <virtualenv>/srv/www/li/venv</virtualenv>
    <module>li</module>
    <wsgi-file>/srv/www/li/li.py</wsgi-file>
    <callable>app</callable> 
    <master/> 
    <processes>4</processes> 
    <harakiri>60</harakiri> 
    <reload-mercy>8</reload-mercy> 
    <cpu-affinity>1</cpu-affinity> 
    <stats>/tmp/stats.socket</stats> 
    <max-requests>2000</max-requests> 
    <limit-as>512</limit-as> 
    <reload-on-as>256</reload-on-as> 
    <reload-on-rss>192</reload-on-rss> 
    <no-orphans/> 
    <vacuum/> 
</uwsgi>

sudo ln -s /etc/uwsgi/apps-available/li.xml /etc/uwsgi/apps-enabled/li.xml

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但是,如果我运行它,我得到:

uwsgi --xml /etc/uwsgi/apps-enabled/li.xml

[uWSGI] parsing config file /etc/uwsgi/apps-enabled/li.xml
open("./python_plugin.so"): No such file or directory [core/utils.c line 4755]
!!! UNABLE to load uWSGI plugin: ./python_plugin.so: cannot open shared object file: No such file or directory !!!
*** Starting uWSGI 1.4.6 (64bit) on [Thu Feb 28 16:30:53 2013] ***
compiled with version: 4.6.3 on 28 February 2013 12:38:22
os: Linux-3.7.10-x86_64-linode30 #1 SMP Wed Feb 27 14:29:31 EST 2013
nodename: demo
machine: x86_64
clock source: unix
detected number of CPU cores: 4
current working directory: /run/uwsgi/app
detected binary path: /usr/local/bin/uwsgi
your processes number limit is 63594
limiting address space of processes...
your process address space limit is 536870912 bytes (512 MB)
your memory page size is 4096 bytes
 *** WARNING: you have enabled harakiri without post buffering. Slow upload could be rejected on post-unbuffered webservers *** 
detected max file descriptor number: 1024
lock engine: pthread robust mutexes
uwsgi socket 0 bound to UNIX address /run/uwsgi/app/li.socket fd 3
Python version: 2.7.3 (default, Aug  1 2012, 05:25:23)  [GCC 4.6.3]
Set PythonHome to /srv/www/li/venv
*** Python threads support is disabled. You can enable it with --enable-threads ***
Python main interpreter initialized at 0xa86e20
your server socket listen backlog is limited to 100 connections
mapped 362120 bytes (353 KB) for 4 cores
*** Operational MODE: preforking ***
added /srv/www/li/ to pythonpath.
/srv/www/li/venv/local/lib/python2.7/site-packages/mongoengine/fields.py:744: FutureWarning: ReferenceFields will default to using ObjectId  strings in 0.8, set DBRef=True if this isn't desired
  warnings.warn(msg, FutureWarning)
WSGI app 0 (mountpoint='') ready in 1 seconds on interpreter 0xa86e20 pid: 14934 (default app)
*** uWSGI is running in multiple interpreter mode ***
spawned uWSGI master process (pid: 14934)
spawned uWSGI worker 1 (pid: 14940, cores: 1)
mapping worker 1 to CPUs: 0
spawned uWSGI worker 2 (pid: 14941, cores: 1)
mapping worker 2 to CPUs: 1
spawned uWSGI worker 3 (pid: 14942, cores: 1)
mapping worker 3 to CPUs: 2
spawned uWSGI worker 4 (pid: 14943, cores: 1)
unlink(): Operation not permitted [core/socket.c line 109]
bind(): Address already in use [core/socket.c line 141]
...brutally killing workers...
mapping worker 4 to CPUs: 3
VACUUM: unix socket /run/uwsgi/app/li.socket removed.

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所以我得到了不允许的unlink操作,并且绑定地址已经在使用错误(在python_plugin错误旁边,我也不知道如何解决它!).如果我作为sudo运行,它似乎工作正常 - >

sudo uwsgi --xml /etc/uwsgi/apps-enabled/li.xml

[uWSGI] parsing config file /etc/uwsgi/apps-enabled/li.xml
open("./python_plugin.so"): No such file or directory [core/utils.c line 4755]
!!! UNABLE to load uWSGI plugin: ./python_plugin.so: cannot open shared object file: No such file or directory !!!
*** Starting uWSGI 1.4.6 (64bit) on [Thu Feb 28 15:47:41 2013] ***
compiled with version: 4.6.3 on 28 February 2013 12:38:22
os: Linux-3.7.10-x86_64-linode30 #1 SMP Wed Feb 27 14:29:31 EST 2013
nodename: demo
machine: x86_64
clock source: unix
detected number of CPU cores: 4
current working directory: /run/uwsgi
detected binary path: /usr/local/bin/uwsgi
uWSGI running as root, you can use --uid/--gid/--chroot options
*** WARNING: you are running uWSGI as root !!! (use the --uid flag) *** 
your processes number limit is 63594
limiting address space of processes...
your process address space limit is 536870912 bytes (512 MB)
your memory page size is 4096 bytes
 *** WARNING: you have enabled harakiri without post buffering. Slow upload could be rejected on post-unbuffered webservers *** 
detected max file descriptor number: 1024
lock engine: pthread robust mutexes
uwsgi socket 0 bound to UNIX address /run/uwsgi/app/li.socket fd 3
Python version: 2.7.3 (default, Aug  1 2012, 05:25:23)  [GCC 4.6.3]
Set PythonHome to /srv/www/li/venv
*** Python threads support is disabled. You can enable it with --enable-threads ***
Python main interpreter initialized at 0x1fc9d00
your server socket listen backlog is limited to 100 connections
mapped 362120 bytes (353 KB) for 4 cores
*** Operational MODE: preforking ***
added /srv/www/li/ to pythonpath.
/srv/www/li/venv/local/lib/python2.7/site-packages/mongoengine/fields.py:744: FutureWarning: ReferenceFields will default to using ObjectId  strings in 0.8, set DBRef=True if this isn't desired
  warnings.warn(msg, FutureWarning)
WSGI app 0 (mountpoint='') ready in 0 seconds on interpreter 0x1fc9d00 pid: 14755 (default app)
*** uWSGI is running in multiple interpreter mode ***
spawned uWSGI master process (pid: 14755)
spawned uWSGI worker 1 (pid: 14761, cores: 1)
mapping worker 1 to CPUs: 0
spawned uWSGI worker 2 (pid: 14762, cores: 1)
mapping worker 2 to CPUs: 1
spawned uWSGI worker 3 (pid: 14763, cores: 1)
mapping worker 3 to CPUs: 2
spawned uWSGI worker 4 (pid: 14764, cores: 1)
*** Stats server enabled on /tmp/stats.socket fd: 16 ***
mapping worker 4 to CPUs: 3

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谁能帮帮我吗？由于www-data在www-data组中并且他运行它,我尝试了一些东西:

sudo usermod -a -G www-data $USER
sudo chown -R $USER:www-data /srv/www/li
sudo chmod -R g+r+w+x /srv/www/li
sudo chown -R $USER:www-data /etc/uwsgi/apps-enabled
sudo chmod -R g+r+w+x /etc/uwsgi/apps-enabled
sudo chown -R $USER:www-data /run/uwsgi/app
sudo chmod -R g+r+w+x /run/uwsgi/app

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但那真的没有帮助.我也尝试了一个tcp端口,而不是unix/run/uwsgi/app/port也没有任何区别......这让我发疯:(我希望有人知道这里发生了什么.

亲切的问候,

CARST

编辑:服务器重新启动后,它仍然提供一个错误,但另一个错误:

geoadmin@demo:~$ uwsgi --xml /etc/uwsgi/apps-enabled/li.xml
[uWSGI] parsing config file /etc/uwsgi/apps-enabled/li.xml
*** Starting uWSGI 1.4.6 (64bit) on [Thu Feb 28 18:47:36 2013] ***
compiled with version: 4.6.3 on 28 February 2013 12:38:22
os: Linux-3.7.10-x86_64-linode30 #1 SMP Wed Feb 27 14:29:31 EST 2013
nodename: demo
machine: x86_64
clock source: unix
detected number of CPU cores: 4
current working directory: /home/geoadmin
detected binary path: /usr/local/bin/uwsgi
your processes number limit is 63594
limiting address space of processes...
your process address space limit is 536870912 bytes (512 MB)
your memory page size is 4096 bytes
 *** WARNING: you have enabled harakiri without post buffering. Slow upload could be rejected on post-unbuffered webservers *** 
detected max file descriptor number: 1024
lock engine: pthread robust mutexes
bind(): No such file or directory [core/socket.c line 141]

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Answer 1

pno*_*nak 19

这一直是谷歌的第一号结果,这个页面对我来说相对无益,所以我想补充一下我的答案,尽管回想起来相当明显.

我的问题是我的stats套接字的权限问题.如果更改uWSGI配置的uid或gid参数,请确保chmod或rm所有旧套接字/ pid及其父文件夹.

对不起,不是故意要攻击你的答案,只是在我下次登陆这个页面时添加它.恕我直言,来自uWSGI的日志消息在处理这个问题时完全没有帮助. (3认同)
别担心,没有看到它那样.我将编辑答案以帮助人们更好.基本上问题是你可以同时有两个单独的问题(python插件问题+权限套接字问题),这也让我头疼,这就是为什么上面的原始答案是如此广泛的原因 (2认同)

Answer 2

Tho*_*ner 8

在我的情况下,我试图将.sock文件放在/vagrant目录中,这是一个机器安装的虚拟盒文件夹,并不比读写更好.

放置.sock文件的VirtualBox之外挂载点最好~~/tmp~~的FHS说:/var/run

参考:https: //stackoverflow.com/a/7580524/1695680

Answer 3

Car*_*rst 6

好的,在后来编辑后我检查了目录,并且套接字目录不存在(不再); 我认为它与原来的apt-get安装相比,而不是我后来的pip安装...仍然有python插件的问题,但会检查是否有必要nginx或它是否可以在没有它的情况下工作... 8小时在重置工作,哦哦;)

@bearrito:最后我将套接字放在tmp目录中以避免权限问题:

<uwsgi>
        <uid>www-data</uid>
        <gid>www-data</gid> 
    <plugin>python</plugin> 
    <socket>/tmp/li.socket</socket>
    <chmod-socket>666</chmod-socket>
    <chdir>/srv/www/li</chdir>
    <pythonpath>/srv/www/li</pythonpath>
    <virtualenv>/srv/www/li/venv</virtualenv>
    <module>li</module>
    <wsgi-file>/srv/www/li/li.py</wsgi-file>
    <callable>app</callable> 
    <master/> 
    <processes>2</processes> 
    <pidfile>/tmp/li.pid</pidfile> 
    <harakiri>120</harakiri> 
    <reload-mercy>8</reload-mercy> 
    <cpu-affinity>1</cpu-affinity> 
    <stats>/tmp/stats.socket</stats> 
    <max-requests>2000</max-requests> 
    <limit-as>2048</limit-as> 
    <reload-on-as>2048</reload-on-as> 
    <reload-on-rss>1024</reload-on-rss> 
    <no-orphans/> 
    <vacuum/> 
</uwsgi>

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我希望这有帮助!

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