#!/bin/bash
# Deploy the web security demos on virtual network
#
# Example usage:
#    vn-deploywebdemos
#
# Assumptions:
#  - topology 7 has already been created and nodes are running
#
# For more info see: http://sandilands.info/sgordon/virtnet
#
# $Revision$
# $Author$
# $Date$
# $URL$

# First inform user that topology must be created first
echo "vn: To deploy the web demos, topology 7 must have been created and"
echo "vn: all 5 nodes in the topology are running. If they are not running"
echo "vn: then press 'n' now."
echo "vn: Are you ready to proceed? y/n"

read proceed

if [ "${proceed}" != "y" ]; then
	echo "vn: If you haven't created topology 7 you can do so with:"
	echo "vn:    bash vn-createtopology 7"
	echo "vn: If you haven't started the nodes you can do so with:"
	echo "vn:    bash vn-ssh 1"
	echo "vn:    bash vn-ssh 2"
	echo "vn:    bash vn-ssh 3"
	echo "vn:    bash vn-ssh 4"
	echo "vn:    bash vn-ssh 5"
	echo "vn: Exiting vn-deploywebdemos as user is not ready to proceed."; 
	exit 1;
fi

# Script parameters
# Path for virtnet directory on host, e.g. /home/user/svn/virtnet/
virtnethostpath="`dirname $BASH_SOURCE`/../../"
# Path for virtnet directory on guest, e.g. /home/network/virtnet
virtnetpath="/home/network/virtnet"

echo -n "vn: Checking if all nodes exist and are running ..."

# Check that nodes 1 to 5 exist and are running
for i in 1 2 3 4 5;
do
	VBoxManage list vms | cut -d "\"" -f 2 | grep -w "node${i}" > /dev/null
	node_not_exist=$?
	if [ "${node_not_exist}" != "0" ]; then
		echo " "
		echo "vn: Error: node${i} does not exist. You must first create topology 7"
		echo "vn: before deploying the web demos. To create topology 7 run:"
		echo "vn:    bash vn-createtopology 7"
		echo "vn: and then start all 5 nodes before running vn-deploywebdemos"
		exit 1;
	fi

	VBoxManage list runningvms | cut -d "\"" -f 2 | grep -w "node${i}" > /dev/null
	node_not_running=$?
	if [ "${node_not_running}" != "0" ]; then
		echo " "
		echo "vn: Error: node${i} exists but is not running. You must start all "
		echo "vn: 5 nodes before deploying web demos. To start them run:"
		echo "vn:    bash vn-ssh 1"
		echo "vn:    bash vn-ssh 2"
		echo "vn:    bash vn-ssh 3"
		echo "vn:    bash vn-ssh 4"
		echo "vn:    bash vn-ssh 5"
		echo "vn: and then try vn-deploywebdemos again."
		exit 1;
	fi
done

echo "ok."


# SSH command shortcuts: for both network and root users
sn="ssh -o \"StrictHostKeyChecking no\" -l network -i ${virtnethostpath}data/defaults/home/network/.ssh/id_rsa localhost -p "
sr="ssh -o \"StrictHostKeyChecking no\" -l root -i ${virtnethostpath}data/defaults/root/.ssh/id_rsa localhost -p "

# node1
echo "vn: Deploying node 1 ..."
port=2201

# Add domains to /etc/hosts files
eval "${sr} ${port} 'echo "192.168.2.21 www.myuni.edu" >> /etc/hosts'"
eval "${sr} ${port} 'echo "192.168.2.22 www.freestuff.com" >> /etc/hosts'"
eval "${sr} ${port} 'echo "192.168.2.22 www.myuni.edu.gr" >> /etc/hosts'"

# Copy Lynx configuration to save cookies
eval "${sn} ${port} 'cp /home/network/virtnet/data/webdemos/grades/lynx.cfg /home/network/'"



# node2
echo "vn: Deploying node 2 ..."
port=2202

# Add domains to /etc/hosts files
eval "${sr} ${port} 'echo "192.168.2.21 www.myuni.edu" >> /etc/hosts'"
eval "${sr} ${port} 'echo "192.168.2.22 www.freestuff.com" >> /etc/hosts'"
eval "${sr} ${port} 'echo "192.168.2.22 www.myuni.edu.gr" >> /etc/hosts'"

# Copy Lynx configuration to save cookies
eval "${sn} ${port} 'cp /home/network/virtnet/data/webdemos/grades/lynx.cfg /home/network/'"


# node3
echo "vn: Deploying node 3 ..."
port=2203

# Add domains to /etc/hosts files
eval "${sr} ${port} 'echo "192.168.2.21 www.myuni.edu" >> /etc/hosts'"
eval "${sr} ${port} 'echo "192.168.2.22 www.freestuff.com" >> /etc/hosts'"
eval "${sr} ${port} 'echo "192.168.2.22 www.myuni.edu.gr" >> /etc/hosts'"


# node4
echo "vn: Deploying node 4 ..."
port=2204

# Add domains to /etc/hosts files
eval "${sr} ${port} 'echo "192.168.2.21 www.myuni.edu" >> /etc/hosts'"
eval "${sr} ${port} 'echo "192.168.2.22 www.freestuff.com" >> /etc/hosts'"
eval "${sr} ${port} 'echo "192.168.2.22 www.myuni.edu.gr" >> /etc/hosts'"

# Start mysql and apache servers
eval "${sr} ${port} 'systemctl start mysql.service'"
eval "${sr} ${port} 'systemctl start apache2.service'"

# Create grades website
eval "${sr} ${port} 'mkdir /var/www/html/grades'"
eval "${sr} ${port} 'chown network.network /var/www/html/grades'"
eval "${sn} ${port} 'cp /home/network/virtnet/data/webdemos/grades/www/* /var/www/html/grades/'"

# Create databases
eval "${sn} ${port} 'mysql --user=root --password=network < /home/network/virtnet/data/webdemos/grades/grades-users.sql'"
eval "${sn} ${port} 'mysql --user=webdemo_grades --password=network webdemo_grades < /home/network/virtnet/data/webdemos/grades/grades-tables.sql'"


# node5
echo "vn: Deploying node 5 ..."
port=2205

# Add domains to /etc/hosts files
eval "${sr} ${port} 'echo "192.168.2.21 www.myuni.edu" >> /etc/hosts'"
eval "${sr} ${port} 'echo "192.168.2.22 www.freestuff.com" >> /etc/hosts'"
eval "${sr} ${port} 'echo "192.168.2.22 www.myuni.edu.gr" >> /etc/hosts'"

# Start mysql and apache servers
eval "${sr} ${port} 'systemctl start mysql.service'"
eval "${sr} ${port} 'systemctl start apache2.service'"

# Create ades fake website
eval "${sr} ${port} 'mkdir /var/www/html/ades'"
eval "${sr} ${port} 'chown network.network /var/www/html/ades'"
eval "${sn} ${port} 'cp /home/network/virtnet/data/webdemos/ades/www/* /var/www/html/ades/'"

# Create freestuff fake website
eval "${sr} ${port} 'mkdir /var/www/html/freestuff'"
eval "${sr} ${port} 'chown network.network /var/www/html/freestuff'"
eval "${sn} ${port} 'cp /home/network/virtnet/data/webdemos/freestuff/www/* /var/www/html/freestuff/'"


echo "vn: Deployment complete. Check above messages for any errors. A successful"
echo "vn: deployment may print status/warning messages for nodes 4 and 5 such as:"
echo "vn:    mysql start/running, process xxxx"
echo "vn:    apache2: Could not reliably determine ..."
echo "vn: These are NOT error messages. If you see messages other than these, then"
echo "vn: maybe it is an error. If you cannot diagnose the error, try again with a"
echo "vn: fresh set of 5 nodes."