Add script 'poweroff-LXC-host.sh'.
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311
poweroff-LXC-host.sh
Executable file
311
poweroff-LXC-host.sh
Executable file
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#/usr/bin/env bash
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script_name="$(basename $(realpath $0))"
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working_dir="$(dirname $(realpath $0))"
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conf_file="${working_dir}/conf/${script_name%%.*}.conf"
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log_file="$(mktemp)"
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random_prefix="$(head -c 300 /dev/urandom | tr -cd 'a-zA-Z0-9' | head -c 8)"
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backup_date=$(date +%Y-%m-%d-%H%M)
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# =============
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# --- Some Variables
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# =============
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declare -a lx_container_arr=()
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declare -a lx_running_container_arr=()
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# =============
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# --- Some Functions
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# =============
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clean_up() {
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if [[ -f "$_backup_crontab_file" ]]; then
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blank_line
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echononl " (Re)Install Crontab from previously saved crontab file
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'$_backup_crontab_file'.."
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crontab $_backup_crontab_file >> $log_file 2>&1
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if [[ $? -eq 0 ]]; then
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echo_ok
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else
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echo_failed
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error "$(cat $log_file)"
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fi
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fi
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# Perform program exit housekeeping
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rm -f $log_file
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rm -rf /tmp/*.${random_prefix}
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blank_line
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exit $1
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}
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echononl(){
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if $terminal ; then
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n "[ \033[5m\033[1m....\033[m ]\033[13G$*\\c" 1>&2
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else
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echo -e -n "[ \033[5m\033[1m....\033[m ]\033[13G$*" 1>&2
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fi
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rm /tmp/shprompt$$
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fi
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}
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#echo_print_command() {
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# if $terminal ; then
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# echo X\\c > /tmp/shprompt$$
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# if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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# echo -e -n "\033[60G - \033[1m$*\\c\033[m" 1>&2
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# else
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# echo -e -n "\033[60G - \033[1m$*\033[m" 1>&2
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# fi
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# rm /tmp/shprompt$$
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# fi
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#}
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echo_print_command() {
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if $terminal ; then
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n "\n\033[13G\033[1m$*\\c\033[m" 1>&2
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else
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echo -e -n "\n\033[13G\033[1m$*\033[m" 1>&2
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fi
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rm /tmp/shprompt$$
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fi
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}
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echo_done() {
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if $terminal ; then
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echo -e "\033[1G[ \033[1;32mdone\033[m ]"
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fi
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}
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echo_ok() {
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if $terminal ; then
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echo -e "\033[1G[ \033[1;32mok\033[m ]"
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fi
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}
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echo_ignore() {
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if $terminal ; then
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echo -e "\033[1G[ \033[1;33mignore\033[m ]"
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fi
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}
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echo_warning() {
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if $terminal ; then
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echo -e "\033[1G[ \033[1;33m\033[1mwarn\033[m ]"
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fi
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}
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echo_failed(){
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if $terminal ; then
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echo -e "\033[1G[ \033[1;31mfail\033[m ]"
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fi
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}
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echo_skipped() {
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if $terminal ; then
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echo -e "\033[1G[ \033[1;37mskip\033[m ]"
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fi
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}
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echo_wait(){
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if $terminal ; then
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echo -en "\033[1G[ \033[5m\033[1m...\033[m ]"
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fi
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}
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fatal (){
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blank_line
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if $terminal ; then
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echo -e "[ \033[31m\033[1mFatal\033[m ] \033[13G\033[37m\033[1m$*\033[m"
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echo ""
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echo -e " \033[13G\033[31m\033[1mScript will be interrupted..\033[m\033[m"
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else
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echo "fatal: $*"
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echo "Script will be interrupted.."
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fi
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clean_up 1
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}
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error(){
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blank_line
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if $terminal ; then
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echo -e "[ \033[31m\033[1mFehler\033[m ]\033[13G$*"
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else
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echo ""
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echo "[ Error ]: $*"
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echo ""
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fi
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blank_line
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}
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warn (){
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if $terminal ; then
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echo ""
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echo -e "[ \033[33m\033[1mWarning\033[m ]\033[13G$*"
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echo ""
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fi
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}
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info (){
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if $terminal ; then
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echo ""
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echo -e "[ \033[32m\033[1mInfo\033[m ]\033[13G$*"
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echo ""
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fi
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}
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## - Check if a given array (parameter 2) contains a given string (parameter 1)
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## -
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containsElement () {
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local e
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for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
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return 1
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}
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trim() {
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local var="$*"
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var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters
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var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters
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echo -n "$var"
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}
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blank_line() {
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if $terminal ; then
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echo ""
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fi
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}
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# =============
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# --- Jobhandling
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# =============
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# - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM
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# -
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trap clean_up SIGHUP SIGINT SIGTERM
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# =============
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# --- Some Checks
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# =============
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# - Running in a terminal?
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# -
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if [[ -t 1 ]] ; then
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terminal=true
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else
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terminal=false
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fi
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[[ -n "$(which lxc-ls)" ]] || fatal "Seems not to be a LX Host. Missing command \033[33mlxc-ls"
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# ==========
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# - Begin Main Script
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# ==========
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# ----------
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# - Headline
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# ----------
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if $terminal ; then
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echo ""
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echo -e "\033[1m----------\033[m"
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echo -e "\033[32m\033[1mRunning script \033[m\033[1m$script_name\033[32m .. \033[m"
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echo -e "\033[1m----------\033[m"
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echo ""
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fi
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echononl "Get List of \033[1mall existing\033[m LX Contaoner.."
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_failed=false
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for _container in $(lxc-ls) ; do
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lx_container_arr+=("$_container")
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[[ $? -gt 0 ]] && _falied=true
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done
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if $_failed ; then
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echo_failed
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fatal "Getting list of \033[1mall\033[m LX-Container failed!"
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else
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echo_done
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fi
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_failed=false
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echononl "Get List of \033[1mrunning\033[m LX Contaoner.."
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for _container in $(lxc-ls --running) ; do
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lx_running_container_arr+=("$_container")
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[[ $? -gt 0 ]] && _falied=true
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done
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if $_failed ; then
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echo_failed
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fatal "Getting list of \033[1mrunning\033[m LX-Container failed!"
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else
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echo_done
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fi
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if $terminal ; then
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echo ""
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echo ""
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echo -e "\033[13G\033[1mMain part of script ..\033[m"
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echo ""
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fi
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if [[ ${#lx_container_arr[@]} -eq 0 ]]; then
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warn "No LX Container found!"
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fi
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if [[ ${#lx_container_arr[@]} -gt 0 ]]; then
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if [[ ${#lx_running_container_arr[@]} -eq 0 ]]; then
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warn "No running LX Container found!"
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fi
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fi
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if [[ ${#lx_container_arr[@]} -gt 0 ]]; then
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for _lx_container in "${lx_container_arr[@]}" ; do
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echononl "Stopping Container ${_lx_container}.."
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if containsElement "$_lx_container" "${lx_running_container_arr[@]}" ; then
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lxc-stop -n ${_lx_container} > $log_file 2>&1
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if [[ $? -gt 0 ]]; then
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echo_failed
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fatal "$(cat $log_file)"
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else
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echo_done
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fi
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else
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echo_skipped
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fi
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done
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fi
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if $terminal ; then
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echo ""
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echo ""
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echo -e "\033[13G\033[1mGoing to reboot the system ..\033[m"
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echo ""
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fi
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/sbin/poweroff
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clean_up 0
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