bootstrap/bootstrap.sh

68 lines
1.8 KiB
Bash

#!/bin/bash
# Root required
if [ $EUID -ne 0 ]; then
echo "You must run this script as root"
exit 1
fi
# Get current date, hostname, create a temporary directory,
# and set the location to the remote repository
DATE=$(date '+%Y%m%d')
TMP_DIR=$(mktemp -d)
CUR_HOSTNAME=$(hostname)
GIT_LOC="https://github.com/krislamo/bootstrap.git"
# Get user input for hostname and IP
echo "Enter name server's new hostname:"
read NEW_HOSTNAME
echo "Enter a static IP address (e.g. 192.168.1.2/24):"
read STATIC_IP
if [ ! -z "$STATIC_IP" ]; then
echo "Enter the gateway IP (default: 192.168.1.1):"
read GATEWAY_IP
[ -z "$GATEWAY_IP" ] && GATEWAY_IP="192.168.1.1"
echo "Gateway set to $GATEWAY_IP"
fi
# Remove CD sources
cp /etc/apt/sources.list /etc/apt/sources.list.$DATE
sed -i '/deb cdrom/d' /etc/apt/sources.list
# Upgrade software
apt-get update -y
apt-get upgrade -y
# Install git, clone this repo, and navigate to it
apt-get install git -y
cd $TMP_DIR
git clone $GIT_LOC
cd bootstrap
# Install personal SSH keys under root and install the OpenSSH server
mkdir -p /root/.ssh/
cp --update authorized_keys /root/.ssh/authorized_keys
apt-get install openssh-server -y
# If STATIC_IP is set, backup interfaces and configure static IP
if [ ! -z "$STATIC_IP" ]; then
cp /etc/network/interfaces /etc/network/interfaces.$DATE
sed -i "s/dhcp/static/g" /etc/network/interfaces
if ! grep -q "address" /etc/network/interfaces; then
echo " address $STATIC_IP" >> /etc/network/interfaces
echo " gateway $GATEWAY_IP" >> /etc/network/interfaces
fi
fi
# If NEW_HOSTNAME is set, configure new hostname and backup /etc/hosts
if [ ! -z "$NEW_HOSTNAME" ]; then
hostnamectl set-hostname $NEW_HOSTNAME
cp /etc/hosts /etc/hosts.$DATE
sed -i "s/$CUR_HOSTNAME/$NEW_HOSTNAME/g" /etc/hosts
read -p "Press [enter] to restart this machine"
systemctl reboot
fi