Django-xinetd

Script to deploy django using xinetd

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django-xinetd

Info

Author: Evgeny Kazanov

Introduction

Script to deploy django using xinetd. It allows to use Django at localhost without webserver. The main goal is to use Django for local web applications and do not spend time and computer resources when these applications are not working.

Why yet another deployment way?

I want to use Django for local applications. It has pretty much all features for it. Django can work without DB server, using SQLite. The week place is websever. You can use separate webserver (Apache) or devserver which is part of Django. Sometimes you have not got webserver on computer. You can use devserver. But you need start a separate process at startup for each of your applications in such case. It takes time. It wastes resources.

'django-xinetd' works using xinetd. xinetd listens a port. If it gets a request, it starts django-xinetd script and passes the request to STDIN. So when you do not need your applications they are not started.

System requirements

  1. Linux (Script was tested with Ubuntu 12.04)
  2. Python (Script was tested with 2.7 version)
  3. xinetd
  4. Django (Script was tested with 1.4 version)

If xinetd is not installed, install it. This is Debian/Ubuntu command:

apt-get install xinetd

Installation

Script installation

  1. Copy django_xinetd.py file where you want to. Your project directory is a reasonably good place for it.
  2. Open script in your favorite text editor.
  3. Set shabang string to your python path. If you use your system python it can be '/usr/bin/python'.
  4. Set DOCUMENT_ROOT variable to your document root.
  5. Set STATIC_FILES variable.
  6. Set PROJECT_PATH variable.
  7. Set LOGGING_NAME variable.
  8. Set DJANGO_SETTINGS_MODULE variable.

xinetd configuration

A configuration process is described for Ubuntu (It has to be the same for Debian). The 9002 port is used.

/etc/xinetd/django_xinetd file

Create /etc/xinetd.d/django_xinetd file:

service django_xinetd
{
    disable     = no
    socket_type = stream
    user        = <your user name>
    wait        = no
    port        = 9002
    protocol    = tcp
    server      = /path/to/script/django_xinetd.py
}

/etc/services file

Add line to /etc/services file:

django_xinetd 9002/tcp

Restart xinetd

/etc/init.d/xinetd restart

Usage

Open http://localhost:9002 in your browser.