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测试格式

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py3study
发布2020-01-02 16:54:57
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发布2020-01-02 16:54:57
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文章被收录于专栏:python3python3
1. virtualvenv
2. django
3. uWSGI
4. nginx

1. virtualvenv

virtualvenv install

首先要安装python3

因为系统已经装了 python3.6 所以接下来直接装虚拟环境 virtualvenv

mkdir yourwebproject folder
cd yourwebproject
/usr/python3.6/bin/python3.6 -m venv venv   #建立一个独立于系统的虚拟环境 不会跟系统环境混淆
source venv/bin/activate                    #运行环境
deactivate                                  #退出环境

2. django

  • 运行虚拟环境,在环境中安装django
pip install django
  • 新建项目
   1). django-admin startproject proName        
   2). cd proName
   3). python manage.py runserver    # run
  • 新建app

不用也可以进行接下来的操作

3. uWSGI

官网: https://uwsgi-docs.readthedoc...

安装

在虚拟环境中

pip install uwsgi
检测 uwsgi 是否正常工作
  • 在与venv同目录下写一个模拟站点文件 test.py
# test.py
def application(env, start_response):
    start_response('200 OK', [('Content-Type','text/html')])
    return [b"Hello World"]     # python3
  • 运行
uwsgi --http :8080 --wsgi-file test.py  # 假设访问端口号8080
  • 浏览器访问
http://serverIP:8080

若显示站点文件中的输出,说明uwsgi生效

路径 web client <-> uwsgi <-> python

部署 django
  • 首先运行django确保django能正常工作
python manage.py runserver 0.0.0.0:8000
  • 在manage.py同级目录下运行
uwsgi --http :8080 --module djangoProName.wsgi

--module djangoProName.wsgi 代表 djangoProName 目录下的 wsgi.py 文件

  • 浏览器访问
http://serverIP:8080

4. nginx

官网: https://www.nginx.com/resourc...

不在虚拟环境中安装 由于服务器上已经安装了 nginx 所以安装步骤省略,只需要在 nginx.conf 中添加配置即可。

  • 配置 nginx

nginx.conf 结构:

user www-data;
worker_processes auto;
pid /run/nginx.pid;

events {
    worker_connections 768;
}

http {
   # server{ ... }
}

添加 server

   server {
        listen       98 default_server;   # 访问时输入的端口 本地和外部浏览器后面都要加这个端口号
        server_name  10.41.95.85;          # 自己网站的域名

        # Load configuration files for the default server block.
        include /etc/nginx/default.d/*.conf;
        
        location / {                      # location : 文件系统配置 去应答一些要服务器资源的请求
            include uwsgi_params;
            uwsgi_pass 127.0.0.1:9898;    # 与ini文件对接端口 与上面的 93 端口没有关系
        }
    }

配置完了之后记得重启nginx

  • 配置 uwsgi

将配置项全部写入ini文件 在venv同目录下自己新建uwsgi的ini文件

[uwsgi]
socket = 127.0.0.1:9898                               ; 与 nginx 对接 IP
; django pro dir
chdir = /root/Odin/TrackManagement/TrackManagement/   ; django project dir
wsgi-file = TrackManagement/wsgi.py                   ; 代表 TrackManagement 目录下的 wsgi.py 文件
; module = TrackManagement.wsgi                       ; 有上面的wsgi配置这个就不用写了

processes = 2                                         ; 进程
threads = 1                                           ; 线程
stats = 127.0.0.1:9696                                ; 内部配置访问ip 与socket区别开
  • 浏览器访问
http://10.41.95.85:98

若显示django画面 则 uwsgi+nginx生效

路径 web client <-> nginx <-> uwsgi <-> django


接下来是过程中踩的坑

<details> <summary>uwsgi: unrecognized option '--http:8089'</summary>

uwsgi: unrecognized option '--http:8089'
getopt_long() error
原因:

参数格式不对 :8089前面要加空格 uwsgi还在开启

</details>

<details> <summary>uwsgi: unrecognized option '--http'</summary>

(venv) [root@localhost TrackManagement]# uwsgi --http:8089 --module TrackManagement.wsgi
uwsgi: unrecognized option '--http'
getopt_long() error
原因:

uwsgi还在开启 先杀了进程再重启

</details>

<details><summary>uwsgi trkMngm_uwsgi.ini -> invalid request block size: 21573 (max 4096)...skip</summary> 启动了之后每次访问

*** Stats server enabled on 127.0.0.1:9295 fd: 12 ***
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
invalid request block size: 21573 (max 4096)...skip
原因:

trkMngm_uwsgi.ini 文件中有设置nginx的socket 如果这时候nginx没有对应的配置或者配置了但是nginx没有重启 就会产生这个错误

</details>

<details> <summary>ModuleNotFoundError: No module named 'TrackManagement/TrackManagement/wsgi'</summary>

(venv) [root@localhost TrackManagement]# uwsgi --http :8089 --module TrackManagement/TrackManagement/wsgi.py
*** Starting uWSGI 2.0.18 (64bit) on [Tue Feb 19 11:33:20 2019] ***
compiled with version: 4.8.5 20150623 (Red Hat 4.8.5-36) on 18 February 2019 05:28:03
os: Linux-3.10.0-957.1.3.el7.x86_64 #1 SMP Thu Nov 29 14:49:43 UTC 2018
nodename: localhost.localdomain
machine: x86_64
clock source: unix
pcre jit disabled
detected number of CPU cores: 4
current working directory: /root/Odin/TrackManagement
detected binary path: /root/Odin/TrackManagement/venv/bin/uwsgi
uWSGI running as root, you can use --uid/--gid/--chroot options
*** WARNING: you are running uWSGI as root !!! (use the --uid flag) ***
*** WARNING: you are running uWSGI without its master process manager ***
your processes number limit is 63229
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 http bound on :8089 fd 4
spawned uWSGI http 1 (pid: 33181)
uwsgi socket 0 bound to TCP address 127.0.0.1:33454 (port auto-assigned) fd 3
uWSGI running as root, you can use --uid/--gid/--chroot options
*** WARNING: you are running uWSGI as root !!! (use the --uid flag) ***
Python version: 3.6.4 (default, Mar  6 2018, 13:19:57)  [GCC 4.8.5 20150623 (Red Hat 4.8.5-16)]
*** Python threads support is disabled. You can enable it with --enable-threads ***
Python main interpreter initialized at 0x12acbf0
uWSGI running as root, you can use --uid/--gid/--chroot options
*** WARNING: you are running uWSGI as root !!! (use the --uid flag) ***
your server socket listen backlog is limited to 100 connections
your mercy for graceful operations on workers is 60 seconds
mapped 72920 bytes (71 KB) for 1 cores
*** Operational MODE: single process ***
ModuleNotFoundError: No module named 'TrackManagement/TrackManagement/wsgi'
unable to load app 0 (mountpoint='') (callable not found or import error)
*** no app loaded. going in full dynamic mode ***
uWSGI running as root, you can use --uid/--gid/--chroot options
*** WARNING: you are running uWSGI as root !!! (use the --uid flag) ***
*** uWSGI is running in multiple interpreter mode ***
spawned uWSGI worker 1 (and the only) (pid: 33180, cores: 1)
原因: 应该在TrackManagement项目里面运行 即这个目录下面
(venv) [root@localhost TrackManagement]# ls
db.sqlite3  manage.py  testUwsgi.py  TrackManagement

</details>

<details> <summary>runserver运行django error : Bad Request</summary>

(venv) [root@localhost TrackManagement]# python manage.py runserver 0.0.0.0:8080
Performing system checks...

System check identified no issues (0 silenced).

You have 15 unapplied migration(s). Your project may not work properly until you apply the migrations for app(s): admin, auth, contenttypes, sessions.
Run 'python manage.py migrate' to apply them.

February 18, 2019 - 07:47:25
Django version 2.1.7, using settings 'TrackManagement.settings'
Starting development server at http://0.0.0.0:8080/
Quit the server with CONTROL-C.
Invalid HTTP_HOST header: '10.41.95.85:8080'. You may need to add '10.41.95.85' to ALLOWED_HOSTS.
Bad Request: /
[18/Feb/2019 07:47:51] "GET / HTTP/1.1" 400 60826
Invalid HTTP_HOST header: '10.41.95.85:8080'. You may need to add '10.41.95.85' to ALLOWED_HOSTS.
Bad Request: /favicon.ico
[18/Feb/2019 07:47:54] "GET /favicon.ico HTTP/1.1" 400 60906
solution

django setting.py

ALLOWED_HOSTS = ['*'] -> ALLOWED_HOSTS = ['*']

</details>

<details> <summary>manage.py语法错误</summary>

SyntaxError: invalid syntax
[root@localhost TrackManagement]# python manage.py runserver 0.0.0.0:8080
  File "manage.py", line 14
    ) from exc
solution

没有运行虚拟环境 外面的环境是python 虚拟环境才是python3 所以会有语法错误

</details>

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目录
  • 1. virtualvenv
  • 2. django
  • 3. uWSGI
  • 4. nginx
  • 1. virtualvenv
  • 2. django
  • 3. uWSGI
    • 安装
      • 检测 uwsgi 是否正常工作
        • 部署 django
        • 4. nginx
        • 接下来是过程中踩的坑
          • 原因:
            • 原因:
              • 原因:
                • 原因: 应该在TrackManagement项目里面运行 即这个目录下面
                  • solution
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