284 lines
9.0 KiB
Bash
284 lines
9.0 KiB
Bash
#!/usr/bin/env bash
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# Copyright (c) 2021-2025 tteck
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# Author: tteck (tteckster)
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# Co-Author: MickLesk
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# License: MIT
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# https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
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# This sets verbose mode if the global variable is set to "yes"
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# if [ "$VERBOSE" == "yes" ]; then set -x; fi
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if command -v curl >/dev/null 2>&1; then
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source <(curl -fsSL https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/misc/core.func)
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load_functions
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#echo "(create-lxc.sh) Loaded core.func via curl"
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elif command -v wget >/dev/null 2>&1; then
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source <(wget -qO- https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/misc/core.func)
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load_functions
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#echo "(create-lxc.sh) Loaded core.func via wget"
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fi
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# This sets error handling options and defines the error_handler function to handle errors
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set -Eeuo pipefail
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trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
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# This function handles errors
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function error_handler() {
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printf "\e[?25h"
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local exit_code="$?"
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local line_number="$1"
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local command="$2"
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local error_message="${RD}[ERROR]${CL} in line ${RD}$line_number${CL}: exit code ${RD}$exit_code${CL}: while executing command ${YW}$command${CL}"
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echo -e "\n$error_message\n"
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exit 200
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}
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# This checks for the presence of valid Container Storage and Template Storage locations
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msg_info "Validating Storage"
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VALIDCT=$(pvesm status -content rootdir | awk 'NR>1')
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if [ -z "$VALIDCT" ]; then
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msg_error "Unable to detect a valid Container Storage location."
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exit 1
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fi
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VALIDTMP=$(pvesm status -content vztmpl | awk 'NR>1')
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if [ -z "$VALIDTMP" ]; then
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msg_error "Unable to detect a valid Template Storage location."
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exit 1
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fi
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# This function is used to select the storage class and determine the corresponding storage content type and label.
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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 $CLASS in
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container)
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CONTENT='rootdir'
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CONTENT_LABEL='Container'
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;;
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template)
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CONTENT='vztmpl'
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CONTENT_LABEL='Container template'
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;;
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*) false || {
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msg_error "Invalid storage class."
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exit 201
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} ;;
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esac
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# This Queries all storage locations
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local -a MENU
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while read -r line; do
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local TAG=$(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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# Select storage location
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if [ $((${#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 --backtitle "Proxmox VE Helper Scripts" --title "Storage Pools" --radiolist \
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"Which storage pool you would like to use for the ${CONTENT_LABEL,,}?\nTo make a selection, use the Spacebar.\n" \
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16 $(($MSG_MAX_LENGTH + 23)) 6 \
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"${MENU[@]}" 3>&1 1>&2 2>&3) || {
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msg_error "Menu aborted."
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exit 202
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}
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if [ $? -ne 0 ]; then
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echo -e "${CROSS}${RD} Menu aborted by user.${CL}"
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exit 0
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fi
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done
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printf "%s" "$STORAGE"
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fi
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}
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# Test if required variables are set
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[[ "${CTID:-}" ]] || {
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msg_error "You need to set 'CTID' variable."
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exit 203
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}
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[[ "${PCT_OSTYPE:-}" ]] || {
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msg_error "You need to set 'PCT_OSTYPE' variable."
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exit 204
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}
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# Test if ID is valid
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[ "$CTID" -ge "100" ] || {
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msg_error "ID cannot be less than 100."
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exit 205
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}
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# Test if ID is in use
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if qm status "$CTID" &>/dev/null || pct status "$CTID" &>/dev/null; then
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echo -e "ID '$CTID' is already in use."
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unset CTID
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msg_error "Cannot use ID that is already in use."
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exit 206
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fi
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# # Get template storage
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# TEMPLATE_STORAGE=$(select_storage template)
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# CONTAINER_STORAGE=$(select_storage container) || exit
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# msg_ok "Template Storage: ${BL}$TEMPLATE_STORAGE${CL} ${GN}Container Storage: ${BL}$CONTAINER_STORAGE${CL}."
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# Get template storage
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TEMPLATE_STORAGE=$(select_storage template)
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msg_ok "Using ${BL}$TEMPLATE_STORAGE${CL} ${GN}for Template Storage."
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# Get container storage
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CONTAINER_STORAGE=$(select_storage container)
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msg_ok "Using ${BL}$CONTAINER_STORAGE${CL} ${GN}for Container Storage."
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# Update LXC template list
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$STD msg_info "Updating LXC Template List"
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if ! timeout 10 pveam update >/dev/null 2>&1; then
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msg_error "Failed to update LXC template list. Please check your Proxmox host's internet connection and DNS resolution."
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exit 201
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fi
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$STD msg_ok "LXC Template List Updated"
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# Get LXC template string
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TEMPLATE_SEARCH="${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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if [ ${#TEMPLATES[@]} -eq 0 ]; then
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msg_error "No matching LXC template found for '${TEMPLATE_SEARCH}'. Make sure your host can reach the Proxmox template repository."
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exit 207
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fi
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TEMPLATE="${TEMPLATES[-1]}"
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TEMPLATE_PATH="$(pvesm path "$TEMPLATE_STORAGE":vztmpl/$TEMPLATE)"
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# Check if template exists and is valid
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if ! pveam list "$TEMPLATE_STORAGE" | grep -q "$TEMPLATE" || ! zstdcat "$TEMPLATE_PATH" | tar -tf - >/dev/null 2>&1; then
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msg_warn "Template $TEMPLATE not found or appears to be corrupted. Re-downloading."
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[[ -f "$TEMPLATE_PATH" ]] && rm -f "$TEMPLATE_PATH"
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for attempt in {1..3}; do
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msg_info "Attempt $attempt: Downloading LXC template..."
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if timeout 120 pveam download "$TEMPLATE_STORAGE" "$TEMPLATE" >/dev/null 2>&1; then
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msg_ok "Template download successful."
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break
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fi
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if [ $attempt -eq 3 ]; then
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msg_error "Failed after 3 attempts. Please check your Proxmox host’s internet access or manually run:\n pveam download $TEMPLATE_STORAGE $TEMPLATE"
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exit 208
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fi
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sleep $((attempt * 5))
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done
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fi
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msg_ok "LXC Template '$TEMPLATE' is ready to use."
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# Check and fix subuid/subgid
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grep -q "root:100000:65536" /etc/subuid || echo "root:100000:65536" >>/etc/subuid
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grep -q "root:100000:65536" /etc/subgid || echo "root:100000:65536" >>/etc/subgid
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# Combine all options
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PCT_OPTIONS=(${PCT_OPTIONS[@]:-${DEFAULT_PCT_OPTIONS[@]}})
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[[ " ${PCT_OPTIONS[@]} " =~ " -rootfs " ]] || PCT_OPTIONS+=(-rootfs "$CONTAINER_STORAGE:${PCT_DISK_SIZE:-8}")
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# Secure creation of the LXC container with lock and template check
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lockfile="/tmp/template.${TEMPLATE}.lock"
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exec 9>"$lockfile"
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flock -w 60 9 || {
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msg_error "Timeout while waiting for template lock"
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exit 211
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}
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msg_info "Creating LXC Container"
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if ! pct create "$CTID" "${TEMPLATE_STORAGE}:vztmpl/${TEMPLATE}" "${PCT_OPTIONS[@]}" &>/dev/null; then
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msg_error "Container creation failed. Checking if template is corrupted or incomplete."
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if [[ ! -s "$TEMPLATE_PATH" || "$(stat -c%s "$TEMPLATE_PATH")" -lt 1000000 ]]; then
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msg_error "Template file too small or missing – re-downloading."
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rm -f "$TEMPLATE_PATH"
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elif ! zstdcat "$TEMPLATE_PATH" | tar -tf - &>/dev/null; then
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msg_error "Template appears to be corrupted – re-downloading."
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rm -f "$TEMPLATE_PATH"
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else
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msg_error "Template is valid, but container creation still failed."
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exit 209
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fi
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# Retry download
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for attempt in {1..3}; do
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msg_info "Attempt $attempt: Re-downloading template..."
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if timeout 120 pveam download "$TEMPLATE_STORAGE" "$TEMPLATE" >/dev/null; then
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msg_ok "Template re-download successful."
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break
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fi
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if [ "$attempt" -eq 3 ]; then
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msg_error "Three failed attempts. Aborting."
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exit 208
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fi
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sleep $((attempt * 5))
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done
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sleep 1 # I/O-Sync-Delay
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if ! pct create "$CTID" "${TEMPLATE_STORAGE}:vztmpl/${TEMPLATE}" "${PCT_OPTIONS[@]}" &>/dev/null; then
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msg_error "Container creation failed after re-downloading template."
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exit 200
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fi
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fi
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if ! pct status "$CTID" &>/dev/null; then
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msg_error "Container not found after pct create – assuming failure."
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exit 210
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fi
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: "${UDHCPC_FIX:=}"
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if [ "$UDHCPC_FIX" == "yes" ]; then
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# Ensure container is mounted
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if ! mount | grep -q "/var/lib/lxc/${CTID}/rootfs"; then
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pct mount "$CTID" >/dev/null 2>&1
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MOUNTED_HERE=true
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else
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MOUNTED_HERE=false
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fi
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CONFIG_FILE="/var/lib/lxc/${CTID}/rootfs/etc/udhcpc/udhcpc.conf"
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for i in {1..10}; do
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[ -f "$CONFIG_FILE" ] && break
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sleep 0.5
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done
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if [ -f "$CONFIG_FILE" ]; then
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msg_info "Patching udhcpc.conf for Alpine DNS override"
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sed -i '/^#*RESOLV_CONF="/d' "$CONFIG_FILE"
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awk '
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/^# Do not overwrite \/etc\/resolv\.conf/ {
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print
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print "RESOLV_CONF=\"no\""
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next
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}
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{ print }
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' "$CONFIG_FILE" >"${CONFIG_FILE}.tmp" && mv "${CONFIG_FILE}.tmp" "$CONFIG_FILE"
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msg_ok "Patched udhcpc.conf (RESOLV_CONF=\"no\")"
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else
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msg_error "udhcpc.conf not found in $CONFIG_FILE after waiting"
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fi
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# Clean up: only unmount if we mounted it here
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if [ "${MOUNTED_HERE}" = true ]; then
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pct unmount "$CTID" >/dev/null 2>&1
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fi
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fi
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msg_ok "LXC Container ${BL}$CTID${CL} ${GN}was successfully created."
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