Script to install puppet agent and set up basic network setup in debian/ubuntu

puppet.init.sh

#!/bin/sh

if [ "$#" -lt 4 ]
then
    echo "Usage: $0 <node_ip> <node_name> <puppet_server_ip> <company.fqdn.com>" 
    exit 1
fi

PUPPET_HOST=$3
NODE_IP=$1
NODE_NAME=$2
ORG_QN=$4
NETWORK=`echo $NODE_IP | cut -d'.' -f1-3`.0
GATEWAY=`echo $NODE_IP | cut -d'.' -f1-3`.1
BROADCAST=`echo $NODE_IP | cut -d'.' -f1-3`.255

echo "Adding entries to /etc/hosts" 
echo "$PUPPET_HOST puppet.$ORG_QN puppet" > /etc/hosts
echo "$NODE_IP $NODE_NAME.$ORG_QN $NODE_NAME" >> /etc/hosts

echo "Setting hostname"
echo "$NODE_NAME" > /etc/hostname
hostname $NODE_NAME

echo "Setting basic network config"
echo "auto lo" > /etc/network/interfaces
echo "iface lo inet loopback" >> /etc/network/interfaces
echo "auto eth0" >> /etc/network/interfaces
echo "iface eth0 inet static" >> /etc/network/interfaces
echo "	address $NODE_IP" >> /etc/network/interfaces
echo "	netmask 255.255.255.0" >> /etc/network/interfaces
echo "	network $NETWORK" >> /etc/network/interfaces
echo "	broadcast $BROADCAST" >> /etc/network/interfaces
echo "	gateway $GATEWAY" >> /etc/network/interfaces
echo "	dns-nameservers 8.8.8.8" >> /etc/network/interfaces
echo "	dns-search $ORG_QN" >> /etc/network/interfaces

/etc/init.d/networking restart

echo "Adding puppetlabs source to APT"
echo "deb http://apt.puppetlabs.com/ lucid main" > /etc/apt/sources.list.d/puppet.list
echo "deb-src http://apt.puppetlabs.com/ lucid main" >> /etc/apt/sources.list.d/puppet.list
apt-key adv --keyserver keyserver.ubuntu.com --recv 4BD6EC30
aptitude update

echo "Installing puppet"
apt-get install puppet facter

echo "START=yes" > /etc/default/puppet
echo 'DAEMON_OPTS=""' >> /etc/default/puppet

puppet agent --no-daemonize --verbose