#!/bin/bash

# This script is intended to install Mininet into

# a brand-new Ubuntu virtual machine,

# to create a fully usable "tutorial" VM.

#

# optional argument: Mininet branch to install

set -e

echo "$(whoami) ALL=(ALL) NOPASSWD:ALL" | sudo tee -a /etc/sudoers > /dev/null

sudo sed -i -e 's/Default/#Default/' /etc/sudoers

echo mininet-vm | sudo tee /etc/hostname > /dev/null

sudo sed -i -e 's/ubuntu/mininet-vm/g' /etc/hosts

sudo hostname `cat /etc/hostname`

sudo sed -i -e 's/splash//' /etc/default/grub

sudo sed -i -e 's/quiet/text/' /etc/default/grub

sudo update-grub

# Update from official archive

sudo apt-get update

# 12.10 and earlier

#sudo sed -i -e 's/us.archive.ubuntu.com/mirrors.kernel.org/' \

# /etc/apt/sources.list

# 13.04 and later

#sudo sed -i -e 's/\/archive.ubuntu.com/\/mirrors.kernel.org/' \

# /etc/apt/sources.list

# Clean up vmware easy install junk if present

if [ -e /etc/issue.backup ]; then

sudo mv /etc/issue.backup /etc/issue

fi

if [ -e /etc/rc.local.backup ]; then

sudo mv /etc/rc.local.backup /etc/rc.local

fi

# Fetch Mininet

sudo apt-get -y install git-core openssh-server

git clone git://github.com/mininet/mininet

# Optionally check out branch

if [ "$1" != "" ]; then

pushd mininet

#git checkout -b $1 $1

# TODO branch will in detached HEAD state if it is not master

git checkout $1

popd

fi

# Install Mininet

time mininet/util/install.sh

# Finalize VM

time mininet/util/install.sh -tcd

# Ignoring this since NOX classic is deprecated

#if ! grep NOX_CORE_DIR .bashrc; then

# echo "export NOX_CORE_DIR=~/noxcore/build/src/" >> .bashrc

#fi

echo "Done preparing Mininet VM."