配置Nginx和uwsgi时出现“无此文件或目录"错误 [英] Got 'No such file or directory' error while configuring nginx and uwsgi

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问题描述

更新:如果我不使用套接字，而是使用127.0.0.1:3031，一切正常.

UPDATE: if I don't use socket and use 127.0.0.1:3031 instead, everything works fine.

Nginx版本是1.6.3，而uwsgi是2.0.11.1

Nginx version is 1.6.3, and uwsgi is 2.0.11.1

/etc/uwsgi.ini:

/etc/uwsgi.ini:

[uwsgi]
uid = uwsgi
gid = uwsgi
pidfile = /run/uwsgi/uwsgi.pid
emperor = /etc/uwsgi.d
stats = /run/uwsgi/stats.sock
emperor-tyrant = true
cap = setgid,setuid
logto = /var/log/uwsgi.log

/etc/uwsgi.d/daimaduan_preview.ini

/etc/uwsgi.d/daimaduan_preview.ini

[uwsgi]
plugin = python,http
protocol = uwsgi
chdir = /var/www/daimaduan/preview/current
master = true
processes = 4
threads = 20
socket = /tmp/daimaduan-preview.sock
chmod-socket = 666
uid = vagrant
gid = vagrant
logto = /var/log/daimaduan/preview/uwsgi.log
virtualenv = /var/www/daimaduan/preview/venv
wsgi-file = deploy.wsgi

/etc/nginx/conf.d/daimaduan.conf

/etc/nginx/conf.d/daimaduan.conf

server {
    listen 80;
    server_name example.com;
    access_log /var/log/daimaduan/preview/access.log;
    error_log /var/log/daimaduan/preview/error.log;
    root /var/www/daimaduan/preview/current/daimaduan;

    location / {
        uwsgi_pass unix:/tmp/daimaduan-preview.sock;
        include uwsgi_params;
    }
}

但是，通过访问 http://127.0.0.1/，我从nginx收到了错误消息:

However, I got errors from nginx by visiting http://127.0.0.1/:

2015/10/06 14:14:04 [crit] 16946#0: *1 connect() to unix:/tmp/daimaduan-preview.sock failed (2: No such file or directory) while connecting to upstream, client: 127.0.0.1, server: , request: "GET / HTTP/1.1", upstream: "uwsgi://unix:/tmp/daimaduan-preview.sock:", host: "127.0.0.1"
2015/10/06 14:17:44 [crit] 16995#0: *1 connect() to unix:/tmp/daimaduan-preview.sock failed (2: No such file or directory) while connecting to upstream, client: 127.0.0.1, server: , request: "GET / HTTP/1.1", upstream: "uwsgi://unix:/tmp/daimaduan-preview.sock:", host: "127.0.0.1"
2015/10/06 14:28:13 [crit] 16995#0: *3 connect() to unix:/tmp/daimaduan-preview.sock failed (2: No such file or directory) while connecting to upstream, client: 127.0.0.1, server: , request: "GET / HTTP/1.1", upstream: "uwsgi://unix:/tmp/daimaduan-preview.sock:", host: "127.0.0.1"
2015/10/06 15:29:14 [crit] 16995#0: *5 connect() to unix:/tmp/daimaduan-preview.sock failed (2: No such file or directory) while connecting to upstream, client: 127.0.0.1, server: , request: "GET / HTTP/1.1", upstream: "uwsgi://unix:/tmp/daimaduan-preview.sock:", host: "127.0.0.1"
2015/10/06 15:30:52 [crit] 16995#0: *7 connect() to unix:/tmp/daimaduan-preview.sock failed (2: No such file or directory) while connecting to upstream, client: 127.0.0.1, server: , request: "GET / HTTP/1.1", upstream: "uwsgi://unix:/tmp/daimaduan-preview.sock:", host: "127.0.0.1"
2015/10/06 15:32:48 [crit] 16995#0: *9 connect() to unix:/tmp/daimaduan-preview.sock failed (2: No such file or directory) while connecting to upstream, client: 127.0.0.1, server: , request: "GET / HTTP/1.1", upstream: "uwsgi://unix:/tmp/daimaduan-preview.sock:", host: "127.0.0.1"
2015/10/06 15:37:14 [crit] 16995#0: *11 connect() to unix:/tmp/daimaduan-preview.sock failed (2: No such file or directory) while connecting to upstream, client: 127.0.0.1, server: , request: "GET / HTTP/1.1", upstream: "uwsgi://unix:/tmp/daimaduan-preview.sock:", host: "127.0.0.1"
2015/10/06 15:38:14 [crit] 16995#0: *13 connect() to unix:/tmp/daimaduan-preview.sock failed (2: No such file or directory) while connecting to upstream, client: 127.0.0.1, server: , request: "GET / HTTP/1.1", upstream: "uwsgi://unix:/tmp/daimaduan-preview.sock:", host: "127.0.0.1"
2015/10/06 15:38:21 [crit] 17577#0: *1 connect() to unix:/tmp/daimaduan-preview.sock failed (2: No such file or directory) while connecting to upstream, client: 127.0.0.1, server: , request: "GET / HTTP/1.1", upstream: "uwsgi://unix:/tmp/daimaduan-preview.sock:", host: "127.0.0.1"

我很确定/tmp/daimaduan-preview.sock确实存在.我还检查了uwsgi日志:

And I am pretty sure /tmp/daimaduan-preview.sock does exist. I also checked uwsgi log:

*** Starting uWSGI 2.0.11.1 (64bit) on [Tue Oct  6 15:38:09 2015] ***
compiled with version: 4.8.3 20140911 (Red Hat 4.8.3-9) on 21 July 2015 16:01:10
os: Linux-3.10.0-123.el7.x86_64 #1 SMP Mon Jun 30 12:09:22 UTC 2014
nodename: localhost.localdomain
machine: x86_64
clock source: unix
pcre jit disabled
detected number of CPU cores: 1
current working directory: /etc/uwsgi.d
detected binary path: /usr/sbin/uwsgi
chdir() to /var/www/daimaduan/preview/current
your processes number limit is 3826
your memory page size is 4096 bytes
detected max file descriptor number: 1024
lock engine: pthread robust mutexes
thunder lock: disabled (you can enable it with --thunder-lock)
uwsgi socket 0 inherited UNIX address /tmp/daimaduan-preview.sock fd 3
Python version: 2.7.5 (default, Jun 24 2015, 00:41:19)  [GCC 4.8.3 20140911 (Red Hat 4.8.3-9)]
Set PythonHome to /var/www/daimaduan/preview/venv
Python main interpreter initialized at 0x865410
python threads support enabled
your server socket listen backlog is limited to 100 connections
your mercy for graceful operations on workers is 60 seconds
mapped 1342720 bytes (1311 KB) for 80 cores
*** Operational MODE: preforking+threaded ***
WSGI app 0 (mountpoint='') ready in 0 seconds on interpreter 0x865410 pid: 17132 (default app)
mountpoint  already configured. skip.
*** uWSGI is running in multiple interpreter mode ***
gracefully (RE)spawned uWSGI master process (pid: 17132)
spawned uWSGI worker 1 (pid: 17475, cores: 20)
spawned uWSGI worker 2 (pid: 17476, cores: 20)
spawned uWSGI worker 3 (pid: 17477, cores: 20)
spawned uWSGI worker 4 (pid: 17478, cores: 20)

看起来也很正常.

这里有一些问题:

  1. 为什么uid和gid在/etc/uwsgi.d/daimaduan.ini中不生效?
  2. 如何更改/tmp/daimaduan-preview.sock的所有权?我尝试了chown-socket但失败了
  3. 为什么在/var/log/daimaduan/preview/uwsgi.log中出现No such file or directory错误?
  1. why uid and gid does not take effect in /etc/uwsgi.d/daimaduan.ini?
  2. how to change ownership for /tmp/daimaduan-preview.sock? I tried chown-socket but failed
  3. why did I get No such file or directory errors in /var/log/daimaduan/preview/uwsgi.log?

推荐答案

将daimaduan_preview.ini的套接字文件放入/run而不是/tmp.就像在此答案中一样，您的系统可能使用了命名为空格的临时目录，这意味着每个服务只能看到其/tmp中的文件.

Put the daimaduan_preview.ini's socket file into /run instead of /tmp. Like in this answer, your system probably using namespaced temporary directories, which means every service can only see its own files in /tmp.

这篇关于配置Nginx和uwsgi时出现“无此文件或目录"错误的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！

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