Proxmox/setup/mqtt-install.sh

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#!/usr/bin/env bash
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YW=`echo "\033[33m"`
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RD=`echo "\033[01;31m"`
BL=`echo "\033[36m"`
GN=`echo "\033[1;92m"`
CL=`echo "\033[m"`
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RETRY_NUM=10
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RETRY_EVERY=3
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NUM=$RETRY_NUM
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CM="${GN}${CL}"
CROSS="${RD}${CL}"
BFR="\\r\\033[K"
HOLD="-"
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set -o errexit
set -o errtrace
set -o nounset
set -o pipefail
shopt -s expand_aliases
alias die='EXIT=$? LINE=$LINENO error_exit'
trap die ERR
function error_exit() {
trap - ERR
local reason="Unknown failure occured."
local msg="${1:-$reason}"
local flag="${RD}‼ ERROR ${CL}$EXIT@$LINE"
echo -e "$flag $msg" 1>&2
exit $EXIT
}
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function msg_info() {
local msg="$1"
echo -ne " ${HOLD} ${YW}${msg}..."
}
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function msg_ok() {
local msg="$1"
echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
}
msg_info "Setting up Container OS "
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sed -i "/$LANG/ s/\(^# \)//" /etc/locale.gen
locale-gen >/dev/null
while [ "$(hostname -I)" = "" ]; do
1>&2 echo -en "${CROSS}${RD} No Network! "
sleep $RETRY_EVERY
((NUM--))
if [ $NUM -eq 0 ]
then
1>&2 echo -e "${CROSS}${RD} No Network After $RETRY_NUM Tries${CL}"
exit 1
fi
done
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msg_ok "Set up Container OS"
msg_ok "Network Connected: ${BL}$(hostname -I)"
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msg_info "Checking Internet Status"
INTER=$(wget -q --tries=10 --timeout=5 --spider https://google.com)
sleep 2
if [[ "$INTER" != "0" ]]; then
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msg_ok "Internet Online"
else
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echo -e "${BFR} ${CROSS}${RD} Internet Offline${CL}"
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fi
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msg_info "Updating Container OS"
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apt update &>/dev/null
apt-get -qqy upgrade &>/dev/null
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msg_ok "Updated Container OS"
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msg_info "Installing Dependencies"
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apt-get install -y curl &>/dev/null
apt-get install -y sudo &>/dev/null
apt-get install -y gnupg &>/dev/null
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msg_ok "Installed Dependencies"
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msg_info "Installing Mosquitto MQTT Broker"
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wget http://repo.mosquitto.org/debian/mosquitto-repo.gpg.key &>/dev/null
apt-key add mosquitto-repo.gpg.key &>/dev/null
cd /etc/apt/sources.list.d/
wget http://repo.mosquitto.org/debian/mosquitto-bullseye.list &>/dev/null
apt-get update >/dev/null
apt-get -y install mosquitto &>/dev/null
apt-get -y install mosquitto-clients &>/dev/null
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msg_ok "Installed Mosquitto MQTT Broker"
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PASS=$(grep -w "root" /etc/shadow | cut -b6);
if [[ $PASS != $ ]]; then
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msg_info "Customizing Container"
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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//')
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msg_ok "Customized Container"
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fi
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msg_info "Cleaning up"
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apt-get autoremove >/dev/null
apt-get autoclean >/dev/null
rm -rf /var/{cache,log}/* /var/lib/apt/lists/*
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msg_ok "Cleaned"