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Delete create_lxc.sh
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tteckster
GitHub
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#!/usr/bin/env bash
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set -o errexit
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set -o errtrace
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set -o nounset
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set -o pipefail
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shopt -s expand_aliases
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alias die='EXIT=$? LINE=$LINENO error_exit'
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BL=`echo "\033[36m"`
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RD=`echo "\033[01;31m"`
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CM='\xE2\x9C\x94\033'
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GN=`echo "\033[1;92m"`
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CL=`echo "\033[m"`
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trap die ERR
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function error_exit() {
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trap - ERR
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local DEFAULT='Unknown failure occured.'
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local REASON="\e[97m${1:-$DEFAULT}\e[39m"
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local FLAG="\e[91m[ERROR] \e[93m$EXIT@$LINE"
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msg "$FLAG $REASON" 1>&2
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exit $EXIT
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}
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function warn() {
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local REASON="\e[97m$1\e[39m"
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local FLAG="\e[93m[WARNING]\e[39m"
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msg "$FLAG $REASON"
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}
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function info() {
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local REASON="$1"
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local FLAG="\e[36m[INFO]\e[39m"
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msg "$FLAG $REASON"
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}
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function msg() {
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local TEXT="$1"
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echo -e "$TEXT"
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}
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function select_storage() {
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local CLASS=$1
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local CONTENT
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local CONTENT_LABEL
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case $CLASS in
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container) CONTENT='rootdir'; CONTENT_LABEL='Container';;
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template) CONTENT='vztmpl'; CONTENT_LABEL='Container template';;
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*) false || die "Invalid storage class.";;
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esac
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local -a MENU
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while read -r line; do
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local TAG=$(echo $line | awk '{print $1}')
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local TYPE=$(echo $line | awk '{printf "%-10s", $2}')
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local FREE=$(echo $line | numfmt --field 4-6 --from-unit=K --to=iec --format %.2f | awk '{printf( "%9sB", $6)}')
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local ITEM=" Type: $TYPE Free: $FREE "
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local OFFSET=2
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if [[ $((${#ITEM} + $OFFSET)) -gt ${MSG_MAX_LENGTH:-} ]]; then
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local MSG_MAX_LENGTH=$((${#ITEM} + $OFFSET))
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fi
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MENU+=( "$TAG" "$ITEM" "OFF" )
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done < <(pvesm status -content $CONTENT | awk 'NR>1')
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if [ $((${#MENU[@]}/3)) -eq 0 ]; then
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warn "'$CONTENT_LABEL' needs to be selected for at least one storage location."
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die "Unable to detect valid storage location."
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elif [ $((${#MENU[@]}/3)) -eq 1 ]; then
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printf ${MENU[0]}
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else
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local STORAGE
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while [ -z "${STORAGE:+x}" ]; do
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STORAGE=$(whiptail --title "Storage Pools" --radiolist \
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"Which storage pool you would like to use for the ${CONTENT_LABEL,,}?\n\n" \
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16 $(($MSG_MAX_LENGTH + 23)) 6 \
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"${MENU[@]}" 3>&1 1>&2 2>&3) || die "Menu aborted."
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done
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printf $STORAGE
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fi
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}
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[[ "${CTID:-}" ]] || die "You need to set 'CTID' variable."
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[[ "${PCT_OSTYPE:-}" ]] || die "You need to set 'PCT_OSTYPE' variable."
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[ "$CTID" -ge "100" ] || die "ID cannot be less than 100."
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if pct status $CTID &>/dev/null; then
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warn "ID '$CTID' is already in use."
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unset CTID
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die "Cannot use ID that is already in use."
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fi
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TEMPLATE_STORAGE=$(select_storage template) || exit
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info "Using ${BL}$TEMPLATE_STORAGE${CL} for Template Storage."
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CONTAINER_STORAGE=$(select_storage container) || exit
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info "Using ${BL}$CONTAINER_STORAGE${CL} for Container Storage."
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echo -en "${GN} Updating LXC Template List... "
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pveam update >/dev/null
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echo -e "${CM}${CL} \r"
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TEMPLATE_SEARCH=${PCT_OSTYPE}-${PCT_OSVERSION:-}
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mapfile -t TEMPLATES < <(pveam available -section system | sed -n "s/.*\($TEMPLATE_SEARCH.*\)/\1/p" | sort -t - -k 2 -V)
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[ ${#TEMPLATES[@]} -gt 0 ] || die "Unable to find a template when searching for '$TEMPLATE_SEARCH'."
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TEMPLATE="${TEMPLATES[-1]}"
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if ! pveam list $TEMPLATE_STORAGE | grep -q $TEMPLATE; then
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echo -en "${GN} Downloading LXC Template... "
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echo -e "${CM}${CL} \r"
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pveam download $TEMPLATE_STORAGE $TEMPLATE >/dev/null ||
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die "A problem occured while downloading the LXC template."
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fi
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DEFAULT_PCT_OPTIONS=(
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-arch $(dpkg --print-architecture))
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PCT_OPTIONS=( ${PCT_OPTIONS[@]:-${DEFAULT_PCT_OPTIONS[@]}} )
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[[ " ${PCT_OPTIONS[@]} " =~ " -rootfs " ]] || PCT_OPTIONS+=( -rootfs $CONTAINER_STORAGE:${PCT_DISK_SIZE:-8} )
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echo -en "${GN} Creating LXC Container... "
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pct create $CTID ${TEMPLATE_STORAGE}:vztmpl/${TEMPLATE} ${PCT_OPTIONS[@]} >/dev/null ||
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die "A problem occured while trying to create container."
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echo -e "${CM}${CL} \r"
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info "LXC Container ${BL}$CTID${CL} was successfully created."
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