#!/usr/bin/env bash YW=`echo "\033[33m"` RD=`echo "\033[01;31m"` BL=`echo "\033[36m"` GN=`echo "\033[1;92m"` CL=`echo "\033[m"` RETRY_NUM=10 RETRY_EVERY=3 NUM=$RETRY_NUM CM="${GN}✓${CL}" CROSS="${RD}✗${CL}" BFR="\\r\\033[K" HOLD="-" set -o errexit set -o errtrace set -o nounset set -o pipefail shopt -s expand_aliases alias die='EXIT=$? LINE=$LINENO error_exit' trap die ERR function error_exit() { trap - ERR local reason="Unknown failure occurred." local msg="${1:-$reason}" local flag="${RD}‼ ERROR ${CL}$EXIT@$LINE" echo -e "$flag $msg" 1>&2 exit $EXIT } function msg_info() { local msg="$1" echo -ne " ${HOLD} ${YW}${msg}..." } function msg_ok() { local msg="$1" echo -e "${BFR} ${CM} ${GN}${msg}${CL}" } function msg_error() { local msg="$1" echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}" } msg_info "Setting up Container OS " sed -i "/$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 msg_ok "Set up Container OS" msg_ok "Network Connected: ${BL}$(hostname -I)" set +e alias die='' if nc -zw1 8.8.8.8 443; then msg_ok "Internet Connected"; else msg_error "Internet NOT Connected"; exit 1; fi; RESOLVEDIP=$(nslookup "github.com" | awk -F':' '/^Address: / { matched = 1 } matched { print $2}' | xargs) if [[ -z "$RESOLVEDIP" ]]; then msg_error "DNS Lookup Failure"; else msg_ok "DNS Resolved github.com to $RESOLVEDIP"; fi; alias die='EXIT=$? LINE=$LINENO error_exit' set -e msg_info "Updating Container OS" apt-get update &>/dev/null apt-get -y upgrade &>/dev/null msg_ok "Updated Container OS" msg_info "Installing Dependencies" apt-get install -y curl &>/dev/null apt-get install -y sudo &>/dev/null apt-get install -y gnupg &>/dev/null msg_ok "Installed Dependencies" msg_info "Installing Syncthing" curl -o /usr/share/keyrings/syncthing-archive-keyring.gpg https://syncthing.net/release-key.gpg &>/dev/null echo "deb [signed-by=/usr/share/keyrings/syncthing-archive-keyring.gpg] https://apt.syncthing.net/ syncthing stable" | sudo tee /etc/apt/sources.list.d/syncthing.list &>/dev/null apt-get update &>/dev/null apt-get install -y syncthing &>/dev/null systemctl enable syncthing@root.service &>/dev/null msg_ok "Installed Syncthing" PASS=$(grep -w "root" /etc/shadow | cut -b6); if [[ $PASS != $ ]]; then msg_info "Customizing Container" chmod -x /etc/update-motd.d/* 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_ok "Customized Container" fi msg_info "Cleaning up" apt-get autoremove >/dev/null apt-get autoclean >/dev/null msg_ok "Cleaned"