django

#!/bin/bash
### BEGIN INIT INFO
# Provides:          Django EC2 server
# Required-Start:    networking
# Required-Stop:     networking
# Default-Start:  3 5
# Default-Stop:   0 1 2 6
# Short-Description: Django server management script
# Description:       Django server management script
### END INIT INFO

########## Nginx Config ##########
NGINX_BIN=/usr/local/nginx/sbin/nginx
NGINX_CONFIGFILE=/web/conf/nginx/nginx.conf

########## UWSGI Config ##########
UWSGI_BIN=uwsgi
UWSGI_EMPEROR_FOLDER=/web/conf/uwsgi
UWSGI_LOGFILE=/web/logs/uwsgi.log

############### No additional configuration below ###############

start_nginx() {
        if [ "`pidof nginx`" = "" ]; then
                echo "Starting nginx server"
                $NGINX_BIN -c $NGINX_CONFIGFILE
        else
                echo "nginx server is already running"
        fi
}

reload_nginx() {
        if [ "`pidof nginx`" = "" ]; then
                echo "Nginx server is not running"
        else
                kill -HUP `pidof nginx`
                echo "Nginx Configuration reloaded"
        fi
}

stop_nginx() {
        if [ "`pidof nginx`" = "" ]; then
                echo "nginx server is already stopped"
        else
                echo "Stoping nginx server"
                kill -INT `pidof nginx`
        fi
}

start_uwsgi() {
        if [ "`pidof uwsgi`" = "" ]; then
                echo "Starting uwsgi server"
                $UWSGI_BIN --emperor $UWSGI_EMPEROR_FOLDER --daemonize $UWSGI_LOGFILE
        else
                echo "uwsgi server is already running"
        fi
}

reload_uwsgi() {
        if [ "`pidof uwsgi`" = "" ]; then
                echo "uwsgi server is not running"
        else
                echo "Sending signal to uwsgi server to reload"
                kill -HUP `pidof uwsgi`
        fi
}

stop_uwsgi() {
        if [ "`pidof uwsgi`" = "" ]; then
                echo "uwsgi server is already stopped"
        else
                echo "Stoping uwsgi server"
                kill -INT `pidof uwsgi`
        fi
}

# See how we were called.
case "$1" in
        start_nginx)
                start_nginx
                ;;
        reload_nginx)
                reload_nginx
                ;;
        stop_nginx)
                stop_nginx
                ;;
        start_uwsgi)
                start_uwsgi
                ;;
        reload_uwsgi)
                reload_uwsgi
                ;;
        stop_uwsgi)
                stop_uwsgi
                ;;
        
        *)
        echo $"Usage: $prog {start_nginx|reload_nginx|stop_nginx|start_uwsgi|reload_uwsgi|stop_uwsgi}"
        exit 1
esac

exit 0

gistfile1.md

Install necessary packages

Update aptitude

$ sudo apt-get update
$ sudo apt-get upgrade

Install necessary packages

$ sudo apt-get install build-essential

Install Python

$ sudo apt-get install python2.7-dev python-setuptools
$ sudo easy_install pip

Setup Git

Install git

$ sudo apt-get install git-core

Generate a new SSH key

$ ssh-keygen -t rsa -C "[email protected]"

Then add the key from ~/.ssh/id_rsa.pub to GitHub

Test the key by

$ ssh -T [email protected]

Setup folders

$ cd /
$ sudo mkdir web
$ cd web
$ sudo mkdir conf run logs

Install Virtualenv

Install virtualenv and virtualenvwrapper

$ sudo pip install virtualenv virtualenvwrapper

Add the following to .bashrc

export WORKON_HOME=$HOME/.virtualenvs
source /usr/local/bin/virtualenvwrapper.sh
export PIP_VIRTUALENV_BASE=$WORKON_HOME

Create a new folder to keep all virtual environments

$ mkdir $HOME/.virtualenvs

Start a new terminal then create a new virtualenv by

$ mkvirtualenv [project name]

Install Supervisor

Install Supervisor

$ sudo easy_install supervisor

Create a new config file

$ echo_supervisord_conf > $HOME/supervisord.conf
$ sudo mv $HOME/supervisord.conf /web/conf/

Install Postgresql Server

Install Postgresql Server and Python library

$ sudo apt-get install postgresql python-psycopg2 libpq-dev

Create a new database and database's user

$ sudo -u postgres createdb [database_name]
$ sudo -u postgres createuser -SDRP [database_user_name]

Config pg_hba.conf file

$ sudo vim /etc/postgresql/9.1/main/pg_hba.conf

Then add the following to pg_hba.conf file let database user authenticated using password

local [database_name] [database_user_name]  md5

Reload Postgresql server

$ sudo /etc/init.d/postgresql reload

Install Web server (nginx)

Download nginx from its website

http://nginx.org/en/download.html

Install PCRE library (necessary for rewrite module)

$ sudo apt-get install libpcre3-dev

Extract nginx tar file then configure use the following commands

$ sudo ./configure --conf-path=/web/conf/nginx/nginx.conf
$ sudo make
$ sudo make install

The following is the default settings for nginx

nginx path prefix: "/usr/local/nginx"
nginx binary file: "/usr/local/nginx/sbin/nginx"
nginx configuration prefix: "/web/conf/nginx"
nginx configuration file: "/web/conf/nginx/nginx.conf"
nginx pid file: "/usr/local/nginx/logs/nginx.pid"
nginx error log file: "/usr/local/nginx/logs/error.log"
nginx http access log file: "/usr/local/nginx/logs/access.log"

Run nginx by

$ /usr/local/nginx/sbin/nginx

Install WSGI server (uWSGI)

Download uWSGI from

http://projects.unbit.it/uwsgi/wiki/WikiStart#Getit

Build uWSGI and copy to bin folder

$ sudo python uwsgiconfig.py --build
$ sudo cp uwsgi /usr/local/bin/

Run uWSGI in Emperor mode by

$ sudo uwsgi --emperor /web/conf/uwsgi

Install PIL

Install dependencies

$ sudo apt-get build-dep python-imaging

Symlink the libraries

$ sudo ln -s /usr/lib/`uname -i`-linux-gnu/libfreetype.so /usr/lib/
$ sudo ln -s /usr/lib/`uname -i`-linux-gnu/libjpeg.so /usr/lib/
$ sudo ln -s /usr/lib/`uname -i`-linux-gnu/libz.so /usr/lib/

Install PIL

$ pip install PIL

Setup project

Setup folders

$ cd /web
$ sudo mkdir [project_name]
$ cd [project_name]
$ sudo mkdir source logs www

Create a new SSH key for GitHub

$ sudo ssh-keygen -t rsa -C "[email protected]"

• Note: You should generate a new key as root.

Add content from $HOME/.ssh/id_rsa.pub to GitHub and clone the project

$ [email protected]:[github_username]/[repo_name].git

nginx.conf

#user  nobody;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       80;
        server_name  localhost;
        root /web/[project_name]/www;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location /static/ {
            alias /web/[project_name]/source/[project_name]/static/;
            expires 30d;
        }
        
        location /media/ {
            alias /web/[project_name]/source/[project_name]/media/;
            expires 30d;
        }

        location / {
            include uwsgi_params;
            uwsgi_pass 127.0.0.1:3031;
        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #
        #location ~ \.php$ {
        #    root           html;
        #    fastcgi_pass   127.0.0.1:9000;
        #    fastcgi_index  index.php;
        #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
        #    include        fastcgi_params;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }


    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443;
    #    server_name  localhost;

    #    ssl                  on;
    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_timeout  5m;

    #    ssl_protocols  SSLv2 SSLv3 TLSv1;
    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers   on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}

uwsgi.ini

[uwsgi]
virtualenv=/root/.virtualenvs/[project_name]
chdir = /web/[project_name]/source/[project_name]
pp = /web/[project_name]/source/[project_name]/
socket = 127.0.0.1:3031
master = 1
processes = 4
env = DJANGO_SETTINGS_MODULE=[project_name].settings
module = django.core.handlers.wsgi:WSGIHandler()
daemonize = /web/[project_name]/logs/uwsgi.log
disable-logging = true