How to modify apache VirtualHost in AWS ElasticBeanstalk

Question

I want to insert some lines in apache directive of my instances in ElasticBeanstalk. (My instances are 64bit Amazon Linux 2016.03 v2.1.0 running Python 2.7 for running Django with mod_wsgi).

I have created a file "configuration_httpd.py" :

# -*- coding: utf-8 -*-
import os
import fileinput

current_dir = os.path.dirname(os.path.abspath(__file__))

custom_conf = open(current_dir+'/httpd.conf','r').read()

try:
    for line in fileinput.input('/etc/httpd/conf.d/wsgi.conf', inplace=1):
        if line.startswith('</VirtualHost>'):
            print custom_conf
            print line,
        else:
            print line,
except OSError:
    print "Error '/etc/httpd/conf.d/wsgi.conf' unknown"

It's executed on deployments with .ebextensions/django.config file :

packages:
  yum:
    libjpeg-turbo-devel: []
    libpng-devel: []

container_commands:
  01_setup_apache:
    command: "python configure_httpd.py"
  02_migrate:
    command: "python manage.py migrate"
    leader_only: true
  03_collectstatic:
    command: "python manage.py collectstatic --noinput"

option_settings:
  aws:elasticbeanstalk:application:environment:
    DJANGO_SETTINGS_MODULE: "djangoproject.settings"
    PYTHONPATH: "/opt/python/current/app/djangoproject:$PYTHONPATH"
  aws:elasticbeanstalk:container:python:
    WSGIPath: "djangoproject/wsgi.py"

This file is executed but the file '/etc/httpd/conf.d/wsgi.conf' is intact.

Why ?

When I log into my instance with ssh I can run the script "configure_httpd.py" with sudo and it works.

Why this script doesn't work at deployment ?

Any help please. Thank you

Answer 1

After some hours on google, I find that the directive <Directory> allows to use rewrite rules from outside <VirtualHost> directives. Exemple :

<Directory /opt/python/current/app/>
    RewriteEngine On
    RewriteCond %{REQUEST_METHOD} OPTIONS
    RewriteRule ^(.*)$ $1 [R=200,L]
</Directory>

Put this in a file and copy it in /etc/httpd/conf.d in container_commands.