auto-scaling

#!/bin/bash

# Update packages and install Apache2
apt update
apt install -y apache2

# Enable the CGI module for Apache
a2enmod cgid

# Modify the Apache configuration to enable ExecCGI and correct the directory
sed -i '/<Directory \/var\/www\/>/!b;n;c\        Options Indexes FollowSymLinks ExecCGI' /etc/apache2/apache2.conf
sed -i 's|<Directory /var/www/>|<Directory /var/www/html>|' /etc/apache2/apache2.conf

# Modify the dir.conf file to set index.py as the DirectoryIndex
sed -i 's/DirectoryIndex .*/DirectoryIndex index.py/' /etc/apache2/mods-available/dir.conf

# Modify the mime.conf file to add support for Python scripts
sed -i 's|#AddHandler cgi-script .cgi|AddHandler cgi-script .py|' /etc/apache2/mods-available/mime.conf

# Remove the default index.html file
rm -rf /var/www/html/index.html

# Create the index.py script
cat << EOF > /var/www/html/index.py
#!/usr/bin/env python3
import socket
import time

time.sleep(5)

print('Content-type: text/html\n\n')
print('<h1><p style="text-align: center;">Apache CloudStack Autoscaling Demo</p></h1>')
print('<h2><p style="text-align: center;"><strong> Instance: </strong>{}</p></h2>'.format(socket.gethostname()))
EOF

# Set permissions for the index.py script
chmod 705 /var/www/html/index.py

# Enable and start the Apache2 service
systemctl enable --now apache2.service
systemctl restart apache2.service