ProxmoxVE-HelperScripts/setup/pihole_setup.sh
2022-02-01 21:54:48 -05:00

74 lines
1.8 KiB
Bash

#!/usr/bin/env bash
set -o errexit
set -o errtrace
set -o nounset
set -o pipefail
shopt -s expand_aliases
alias die='EXIT=$? LINE=$LINENO error_exit'
CROSS='\033[1;31m\xE2\x9D\x8C\033[0m'
CHECKMARK='\033[0;32m\xE2\x9C\x94\033[0m'
RETRY_NUM=5
RETRY_EVERY=3
NUM=$RETRY_NUM
trap die ERR
trap 'die "Script interrupted."' INT
function error_exit() {
trap - ERR
local DEFAULT='Unknown failure occured.'
local REASON="\e[97m${1:-$DEFAULT}\e[39m"
local FLAG="\e[91m[ERROR:LXC] \e[93m$EXIT@$LINE"
msg "$FLAG $REASON"
exit $EXIT
}
function msg() {
local TEXT="$1"
echo -e "$TEXT"
}
msg "Setting up LXC OS..."
sed -i "/$LANG/ s/\(^# \)//" /etc/locale.gen
locale-gen >/dev/null
while [ "$(hostname -I)" = "" ]; do
1>&2 echo -e "${CROSS} \e[1;31m No Network: \e[0m $(date)"
sleep $RETRY_EVERY
((NUM--))
if [ $NUM -eq 0 ]
then
1>&2 echo -e "${CROSS} \e[1;31m No Network After $RETRY_NUM Tries \e[0m"
exit 1
fi
done
echo -e "${CHECKMARK} \e[1;92m Network Connected: \e[0m $(hostname -I)"
# Update container OS
msg "Updating container OS..."
apt update &>/dev/null
apt-get -qqy upgrade &>/dev/null
msg "Installing Prerequisites..."
apt-get update &>/dev/null
apt-get -qqy install \
curl \
sudo &>/dev/null
msg "Installing Pi-hole.."
curl -sSL https://install.pi-hole.net | bash
msg "Customizing LXC..."
rm /etc/motd
rm /etc/update-motd.d/10-uname
touch ~/.hushlogin
GETTY_OVERRIDE="/etc/systemd/system/container-getty@1.service.d/override.conf"
mkdir -p $(dirname $GETTY_OVERRIDE)
cat << EOF > $GETTY_OVERRIDE
[Service]
ExecStart=
ExecStart=-/sbin/agetty --autologin root --noclear --keep-baud tty%I 115200,38400,9600 \$TERM
EOF
systemctl daemon-reload
systemctl restart $(basename $(dirname $GETTY_OVERRIDE) | sed 's/\.d//')
msg "Cleanup..."
rm -rf /pihole_setup.sh /var/{cache,log}/* /var/lib/apt/lists/*