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- #!/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"
- }
- echo -e "${CHECKMARK} \e[1;92m Setting up Container OS... \e[0m"
- sed -i "/$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 $(hostname -I)"
- echo -e "${CHECKMARK} \e[1;92m Updating Container OS... \e[0m"
- apt-get update &>/dev/null
- apt-get -qqy upgrade &>/dev/null
- echo -e "${CHECKMARK} \e[1;92m Installing Dependencies... \e[0m"
- apt-get update &>/dev/null
- apt-get -qqy install \
- curl \
- gnupg \
- sudo &>/dev/null
- echo -e "${CHECKMARK} \e[1;92m Installing Mosquitto MQTT Broker.. \e[0m"
- 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
- echo -e "${CHECKMARK} \e[1;92m Customizing LXC... \e[0m"
- 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 $GETTY_OVERRIDE) | sed 's/\.d//')
- echo -e "${CHECKMARK} \e[1;92m Cleanup... \e[0m"
- rm -rf /mqtt_setup.sh /var/{cache,log}/* /var/lib/apt/lists/*
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