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centos部署django:nginx+gunicorn+su

centos部署django:nginx+gunicorn+su

作者: brother阿张 | 来源:发表于2017-04-16 23:06 被阅读0次

    [toc]

    基础环境

    添加一个非root管理员

    useradd -m jin
    passwd jin
    # 添加sudo权限
    ​chmod u+w /etc/sudoers
    vim /etc/sudoers
    chmod u-w /etc/sudoers
    

    允许ssh登陆

    vim /etc/ssh/sshd_config
    PasswordAuthentication yes # 默认
    AllowUsers jin
    sudo /sbin/service sshd restart
    

    python环境的安装

    安装pyenv
    1)安装环境

    sudo yum install update
    sudo  yum install zlib-devel bzip2 bzip2-devel readline-devel sqlite sqlite-devel openssl-devel
    

    2)安装pyenv

    # 安装git
    sudo yum install git
    sudo curl -L https://raw.githubusercontent.com/yyuu/pyenv-installer/master/bin/pyenv-installer | bash
    

    3)添加pyenv到环境变量
    ~ 目录下面的 .bashrc

    export PATH="/home/jin/.pyenv/bin:$PATH"eval "$(pyenv init -)"eval "$(pyenv virtualenv-init -)"
    

    4)重新加载shell配置
    ~ 目录下面的 .bashrc

    source  .bashrc
    

    5)python 版本的替换和虚拟环境的安装
    先安装 yum install gcc,
    把下载的文件放入 .pyenv/cache/

    sudo yum install gcc
    pyenv  install --list
    pyenv install 2.7.12
    pyenv global 2.7.12
    pyenv vietualenv 2.7.12 blog_env
    pyenv versions
    pyenv activate blog_env
    pyenv deactivate
    

    安装 配置git

    sudo yum install git
    ssh-keygen -t rsa -C "jinzhang_hotline@163.com"
    #/home/jin/.ssh/id_rsa 生成的位置
    

    安装MySQL-python ,PILLOW

    ###MySQL-python
    yum install MariaDB-develpip install MySQL-python
    ### PILLOW
    sudo yum install python-devel
    sudo yum install zlib-devel
    sudo yum install libjpeg-turbo-devel
    pip install pillow
    

    安装 mysql

    https://downloads.mariadb.org/mariadb/repositories/#mirror=neusoft&distro=CentOS&distro_release=centos7-amd64--centos7&version=10.1
    将下列代码加入
    /etc/yum.repos.d/MariaDB.repo

    # MariaDB 10.1 CentOS repository list - created 2016-10-25 07:54 UTC
    # http://downloads.mariadb.org/mariadb/repositories/
    [mariadb]
    name = MariaDB
    baseurl = http://yum.mariadb.org/10.1/centos7-amd64
    gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
    gpgcheck=1
    
    #安装
    sudo yum install MariaDB-server MariaDB-client
    sudo systemctl start mysqld.service
    # 进入数据库
    mysql -u root
    use mysql;
    update user set password=PASSWORD("root") where User='root';
    flush privileges;
    # 重启数据库
    service mysql restart
    
    #建立数据库
    create database if not exists sell default charset utf8 collate utf8_general_ci;
    

    开发模式跑起来

    # 同步数据库
    python manage.py migrate
    # 收集静态文件
    python manage.py collectstatic
    

    安装ftp服务

    # 停用防火墙
    systemctl stop firewalld.service 
    systemctl disable firewalld.service 
    # 启用iptables
    systemctl start iptables.service
    systemctl enable iptables.service
    # 安装vsftpd
    sudo yum install vsftpd
    systemctl start vsftpd.service
    systemctl enable vsftpd.service
    
    
    • 1 安装
    sudo yum install vsftpd
    
    • 2 配置
    sudo vim /etc/vsftpd/vsftpd.conf
    anonymous_enable=NO
    local_enable=YES
    write_enable=YES
    chroot_local_user=YES
    chroot_list_enable=YES
    # 安装完成vsftpd后就有有个ftp用户
    sudo passwd ftp
    # selinux临时设置
    setenforce 0
    # selinux永久设置
    semanage fcontext -a -t public_content_t /var/ftp
    restorecon -R -v /var/ftp/
    ls -dZ /var/ftp/ # 查看是否有public_content_t
    semanage fcontext -a -t public_content_rw_t "/var/ftp/pub(/.*)?"
    restorecon -R -v /var/ftp/pub
    setsebool -P allow_ftpd_anon_write on
    getsebool -a|grep ftp #查看
    
    

    安装配置 gunicorn

    在项目根目录下新建gunicorn.conf.py

    vim gunicorn.conf.py
    import multiprocessing
    bind = "127.0.0.1:8000"
    workers = 2
    errorlog = "/home/jin/sell/gunicorn.error.log"
    #accsessing = "./gunicorn.access.log"
    #loglevel = "debug"
    proc_name = "gunicorn_sell"
    

    安装配置 nginx

    • 添加源
      新建/etc/yum.repos.d/nginx.repo
    # Replace “OS” with “rhel” or “centos”, depending on the distribution used, and “OSRELEASE” with “5”, “6”, or “7”, for 5.x, 6.x, or 7.x versions, respectively
    [nginx]
    name=nginx repo
    baseurl=http://nginx.org/packages/rhel/7/$basearch/
    gpgcheck=0
    enabled=1
    
    sudo yum install nginx
    
    • 添加权限
    /etc/nginx/ngnix.conf
    修改 user www; 为 user jin;
    
    • 在项目根目录下新建nginx.conf
    vim nginx.conf
    server {
         listen 80;
         server_name 101.201.238.27;
         access_log /home/jin/sell/nginx.access.log;
         error_log /home/jin/sell/nginx.error.log;
          location / {
             proxy_pass http://127.0.0.1:8000;
             proxy_set_header Host $host;
             proxy_set_header X-Real-IP $remote_addr;
             proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
         }
          #location /robots.txt {
         #alias /home/jin/sell/static/robots.txt;
         #}
          #location /favicon.ico {
         # alias /home/jin/sell/static/img/favicon.ico;
         #}
          location  /static  {
             alias    /home/jin/sell/site_static;
             expires 30d;
         }
           # this prevents hidden files (beginning with a period) from being served
          location ~ /\. {
            access_log off; log_not_found off; deny all;
         }
     }
    

    将其链接到 /etc/nginx/conf.d/blog_project.conf

    sudo ln -s /home/jin/sell/nginx.conf /etc/nginx/conf.d/sell_nignx.conf
    

    django配置

    django setting
    ALLOWED_HOSTS = ['localhost','101.201.238.27']
    

    配置wsgi 在django的目录下修改

    import sys
    import site
    import os
    
    # site-packages
    site.addsitedir('~/.pyenv/versions/healthydoc_env/lib/python2.7/site-packages')  # changed to your env
    PROJECT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
    sys.path.insert(0, PROJECT_DIR)
    
    # activate env
    activate_env = os.path.expanduser("~/.pyenv/versions/healthydoc_env/bin/activate_this.py")  # changed to your env
    execfile(activate_env, dict(__file__=activate_env))
    
    from django.core.wsgi import get_wsgi_application
    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "healthy_doc.settings")  # changed to your settings
    application = get_wsgi_application()
    
    ### 如果要外部访问,则打开80端口:
    
    可以选择临时关闭防火墙
    sudo service iptables stop
    # 查看开放端口
    # iptables -L -n --line-numbe  或者开放一些需要的端口,比如 80
    sudo iptables -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
      sudo /sbin/iptables -I INPUT -p tcp --dport 80 -j ACCEPT
    # sudo service iptatbles save
    

    在/home/jin/sell 运行一下gunicorn: 用django的wsgi

    sudo nohup gunicorn sell.wsgi:application -c /home/jin/sell/gunicorn.conf.py&
    

    supervisor

    supervisor就是用Python开发的一套通用的进程管理程序,能将一个普通的命令行进程变为后台daemon,并监控进程状态,异常退出时能自动重启。

    • 安装
    sudo yum install supervisor
    # ubuntu
    sudo apt-get install supervisor
    
    • 配置
      然后,给我们自己开发的应用程序编写一个配置文件,让supervisor来管理它。每个进程的配置文件都可以单独分拆,放在/etc/supervisor/conf.d/目录下,以.conf作为扩展名,例如,app.conf定义了一个gunicorn的进程
    [program:app]
    command=/usr/bin/gunicorn -w 1 wsgiapp:application
    directory=/srv/www
    user=www-data
    

    其中,进程app定义在[program:app]中,command是命令,directory是进程的当前目录,user是进程运行的用户身份。

    • 启用
      sudo systemctl restart supervisord

    重启supervisor,让配置文件生效,然后运行命令supervisorctl启动进程

     supervisorctl start app
     supervisorctl stop app
    
    • 在命令使用变量
      如果要在命令行中使用变量,就需要自己先编写一个shell脚本
    #!/bin/sh
    /usr/bin/gunicorn -w `grep -c ^processor /proc/cpuinfo` wsgiapp:application
    

    然后,加上x权限,再把command指向该shell脚本即可。

    参考

    http://www.jianshu.com/p/288ebe5396a0

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