298 lines
6.5 KiB
Bash
Executable File
298 lines
6.5 KiB
Bash
Executable File
#!/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/${script_name%%.*}.conf"
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LOCK_DIR="/tmp/$(basename $0).$$.LOCK"
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log_file="${LOCK_DIR}/${script_name%%.*}.log"
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backup_date="$(date +%Y-%m-%d-%H%M)"
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# -------------
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# - Some functions
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# -------------
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clean_up() {
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# Perform program exit housekeeping
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rm -rf "$LOCK_DIR"
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exit $1
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}
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echononl(){
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if $terminal ; then
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echo X\\c > /tmp/shprompt$$
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if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
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echo -e -n "$*\\c" 1>&2
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else
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echo -e -n "$*" 1>&2
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fi
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rm /tmp/shprompt$$
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fi
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}
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fatal(){
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mFatal\033[m ]: $*"
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echo ""
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echo -e " \033[31m\033[1mScript was terminated\033[m!"
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else
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echo " [ Fatal ]: $*"
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echo ""
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echo " Script was terminated...."
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fi
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echo ""
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clean_up 1
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}
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error (){
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echo ""
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if $terminal ; then
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echo -e " [ \033[31m\033[1mError\033[m ]: $*"
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else
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echo "[ Error ]: $*"
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fi
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echo ""
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}
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warn (){
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echo ""
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if $terminal ; then
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echo -e " [ \033[33m\033[1mWarning\033[m ]: $*"
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else
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echo "[ Warning ]: $*"
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fi
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echo ""
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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 ]: $*"
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echo ""
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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[75G[ \033[32mdone\033[m ]"
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fi
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}
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echo_failed(){
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if $terminal && $LOGGING ; then
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echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
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fi
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}
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echo_skipped() {
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if $terminal && $LOGGING ; then
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echo -e "\033[75G[ \033[33m\033[1mskipped\033[m ]"
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fi
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}
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trim() {
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local var="$*"
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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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# -------------
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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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# -------------
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# - Read Configurations from $conf_file
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# -------------
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DEFAULT_LXC_ROOT_DIR="/var/lib/lxc"
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if [[ -f "$conf_file" ]]; then
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source "$conf_file"
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else
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warn "No Configuration file '$(basename ${conf_file})'. Using default values.."
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fi
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[[ -z "$LXC_ROOT_DIR" ]] && LXC_ROOT_DIR="$DEFAULT_LXC_ROOT_DIR"
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# -------------
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# - Job is already running?
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# -------------
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# - If job already runs, stop execution..
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# -
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if mkdir "$LOCK_DIR" 2> /dev/null ; then
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# - Remove lockdir when the script finishes, or when it receives a signal
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# -
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trap clean_up SIGHUP SIGINT SIGTERM
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else
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datum="$(date +"%d.%m.%Y %H:%M")"
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msg=" [ Error ]: A previos instance of '$(basename $0)' seems already be running.\n\n Exiting now.."
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error "A previos instance of the script '$(basename $0)' seems already be running."
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exit 1
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fi
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echo ""
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echo -e "\033[32m--\033[m"
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echo ""
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echo " # Insert the name new LX Containers."
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echo " #"
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echo " # Note: It's NOT the hostname, its only the name of the inew LX Container."
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echo " #"
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echo ""
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echononl " \033[1mName of the Container:\033[m "
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read LXC_NAME
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while [[ -z "$(trim $LXC_NAME)" ]]; do
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warn "Parameter is needed. Try again.."
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echononl "\033[1mName of the Container:\033[m "
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read LXC_NAME
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done
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echo ""
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echo ""
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echo -e " \033[32m---\033[m"
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echo -e " \033[32m\033[1mParameter Summary - Script \033[m\033[1m$script_name\033[m"
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echo -e " \033[32m---\033[m"
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echo ""
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echo ""
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echo " Base directory LX Containers.............: $LXC_ROOT_DIR"
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echo ""
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echononl "\033[1mStart creation script with this parameters [yes/no]:\033[m "
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read OK
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[[ "$(trim ${OK,,})" = "yes" ]] || fatal "Start script with different parameters."
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echo
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echononl " Replace 'lxc.rootfs' -> 'lxc.rootfs.path'.."
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if $(grep -qE "^\s*lxc.rootfs\s*=\s*" "${LXC_ROOT_DIR}/${LXC_NAME}/config" 2> /dev/null) ; then
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perl -i.${backup_date} -n -p \
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-e "s/^\s*lxc.rootfs\s*=\s*(.*)/lxc.rootfs.path = \1/" "${LXC_ROOT_DIR}/${LXC_NAME}/config" \
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> $log_file 2>&1
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if [[ $? -gt 0 ]]; then
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echo_failed
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error "$(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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echononl " Replace 'lxc.mount' -> 'lxc.mount.fstab'.."
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if $(grep -qE "^\s*lxc.mount\s*=\s*" "${LXC_ROOT_DIR}/${LXC_NAME}/config" 2> /dev/null) ; then
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perl -i -n -p \
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-e "s/^\s*lxc.mount\s*=\s*(.*)/lxc.mount.fstab = \1/" "${LXC_ROOT_DIR}/${LXC_NAME}/config" \
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> $log_file 2>&1
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if [[ $? -gt 0 ]]; then
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echo_failed
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error "$(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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echononl " Replace 'lxc.utsname' -> 'lxc.uts.name'.."
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if $(grep -qE "^\s*lxc.utsname\s*=\s*" "${LXC_ROOT_DIR}/${LXC_NAME}/config" 2> /dev/null) ; then
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perl -i -n -p \
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-e "s/^\s*lxc.utsname\s*=\s*(.*)/lxc.uts.name = \1/" "${LXC_ROOT_DIR}/${LXC_NAME}/config" \
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> $log_file 2>&1
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if [[ $? -gt 0 ]]; then
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echo_failed
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error "$(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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echononl " Remove (comment out) 'lxc.kmsg'.."
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if $(grep -qE "^\s*lxc.kmsg\s*=\s*" "${LXC_ROOT_DIR}/${LXC_NAME}/config" 2> /dev/null) ; then
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perl -i -n -p \
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-e "s/^(\s*lxc.kmsg\s*=\s*.*)/#\1/" "${LXC_ROOT_DIR}/${LXC_NAME}/config" \
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> $log_file 2>&1
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if [[ $? -gt 0 ]]; then
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echo_failed
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error "$(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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echononl " Replace 'lxc.network.' -> 'lxc.net.0.'.."
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if $(grep -qE "^\s*lxc.network.[^\s]*\s*=\s*" "${LXC_ROOT_DIR}/${LXC_NAME}/config" 2> /dev/null) ; then
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perl -i -n -p \
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-e "s/^\s*lxc.network\.([^\s]*)\s*=\s*(.*)/lxc.net.0.\1 = \2/" "${LXC_ROOT_DIR}/${LXC_NAME}/config" \
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> $log_file 2>&1
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if [[ $? -gt 0 ]]; then
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echo_failed
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error "$(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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echononl " Replace 'lxc.net.[i].ipv[46]' -> 'lxc.net.[i].ipv[46].address'.."
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if $(grep -qE "^\s*lxc.net.[[:digit:]].ipv[[:digit:]]\s*=\s*" "${LXC_ROOT_DIR}/${LXC_NAME}/config" 2> /dev/null) ; then
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perl -i -n -p \
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-e "s/^\s*lxc\.net\.(\d)\.ipv(\d)\s*=\s*(.*)/lxc.net.\1.ipv\2.address = \3/" "${LXC_ROOT_DIR}/${LXC_NAME}/config" \
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> $log_file 2>&1
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if [[ $? -gt 0 ]]; then
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echo_failed
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error "$(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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echo
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echononl " Replace 'lxc.aa_' -> 'lxc.apparmor.'.."
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if $(grep -qE "^\s*#*\s*lxc.aa_.*=" "${LXC_ROOT_DIR}/${LXC_NAME}/config" 2> /dev/null) ; then
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perl -i.${backup_date} -n -p \
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-e "s/^(\s*#*\s*)lxc.aa_(.*)=\s*(.*)/\1lxc.apparmor.\2 = \3/" "${LXC_ROOT_DIR}/${LXC_NAME}/config" \
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> $log_file 2>&1
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if [[ $? -gt 0 ]]; then
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echo_failed
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error "$(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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echo ""
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clean_up 0
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