ProxmoxVED/misc/create_lxc.sh
2025-09-10 12:07:02 +02:00

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#!/usr/bin/env bash
# Copyright (c) 2021-2025 tteck
# Author: tteck (tteckster)
# Co-Author: MickLesk
# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
# ------------------------------------------------------------------------------
# Optional verbose mode (debug tracing)
# ------------------------------------------------------------------------------
if [[ "${CREATE_LXC_VERBOSE:-no}" == "yes" ]]; then set -x; fi
# ------------------------------------------------------------------------------
# Load core functions (msg_info/msg_ok/msg_error/…)
# ------------------------------------------------------------------------------
if command -v curl >/dev/null 2>&1; then
# Achtung: bewusst exakt diese URL-Struktur
source <(curl -fsSL https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/misc/core.func)
load_functions
elif command -v wget >/dev/null 2>&1; then
source <(wget -qO- https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/misc/core.func)
load_functions
fi
# ------------------------------------------------------------------------------
# Strict error handling
# ------------------------------------------------------------------------------
set -Eeuo pipefail
trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
trap on_exit EXIT
trap on_interrupt INT
trap on_terminate TERM
on_exit() {
local exit_code="$?"
[[ -n "${lockfile:-}" && -e "$lockfile" ]] && rm -f "$lockfile"
exit "$exit_code"
}
error_handler() {
local exit_code="$?"
local line_number="$1"
local command="$2"
printf "\e[?25h"
echo -e "\n${RD}[ERROR]${CL} in line ${RD}$line_number${CL}: exit code ${RD}$exit_code${CL}: while executing command ${YW}$command${CL}\n"
exit "$exit_code"
}
on_interrupt() {
echo -e "\n${RD}Interrupted by user (SIGINT)${CL}"
exit 130
}
on_terminate() {
echo -e "\n${RD}Terminated by signal (SIGTERM)${CL}"
exit 143
}
exit_script() {
clear
printf "\e[?25h"
echo -e "\n${CROSS}${RD}User exited script${CL}\n"
kill 0
exit 1
}
# ------------------------------------------------------------------------------
# Helpers (dynamic versioning / template parsing)
# ------------------------------------------------------------------------------
pkg_ver() { dpkg-query -W -f='${Version}\n' "$1" 2>/dev/null || echo ""; }
pkg_cand() { apt-cache policy "$1" 2>/dev/null | awk '/Candidate:/ {print $2}'; }
ver_ge() { dpkg --compare-versions "$1" ge "$2"; }
ver_gt() { dpkg --compare-versions "$1" gt "$2"; }
ver_lt() { dpkg --compare-versions "$1" lt "$2"; }
# Extract Debian OS minor from template name: debian-13-standard_13.1-1_amd64.tar.zst => "13.1"
parse_template_osver() { sed -n 's/.*_\([0-9][0-9]*\(\.[0-9]\+\)\?\)-.*/\1/p' <<<"$1"; }
# Offer upgrade for pve-container/lxc-pve if candidate > installed; optional auto-retry pct create
# Returns:
# 0 = no upgrade needed
# 1 = upgraded (and if do_retry=yes and retry succeeded, creation done)
# 2 = user declined
# 3 = upgrade attempted but failed OR retry failed
offer_lxc_stack_upgrade_and_maybe_retry() {
local do_retry="${1:-no}" # yes|no
local _pvec_i _pvec_c _lxcp_i _lxcp_c need=0
_pvec_i="$(pkg_ver pve-container)"
_lxcp_i="$(pkg_ver lxc-pve)"
_pvec_c="$(pkg_cand pve-container)"
_lxcp_c="$(pkg_cand lxc-pve)"
if [[ -n "$_pvec_c" && "$_pvec_c" != "none" ]]; then
ver_gt "$_pvec_c" "${_pvec_i:-0}" && need=1
fi
if [[ -n "$_lxcp_c" && "$_lxcp_c" != "none" ]]; then
ver_gt "$_lxcp_c" "${_lxcp_i:-0}" && need=1
fi
if [[ $need -eq 0 ]]; then
msg_debug "No newer candidate for pve-container/lxc-pve (installed=$_pvec_i/$_lxcp_i, cand=$_pvec_c/$_lxcp_c)"
return 0
fi
echo
echo "An update for the Proxmox LXC stack is available:"
echo " pve-container: installed=${_pvec_i:-n/a} candidate=${_pvec_c:-n/a}"
echo " lxc-pve : installed=${_lxcp_i:-n/a} candidate=${_lxcp_c:-n/a}"
echo
read -rp "Do you want to upgrade now? [y/N] " _ans
case "${_ans,,}" in
y | yes)
msg_info "Upgrading Proxmox LXC stack (pve-container, lxc-pve)"
if apt-get update -qq && apt-get install -y --only-upgrade pve-container lxc-pve; then
msg_ok "LXC stack upgraded."
if [[ "$do_retry" == "yes" ]]; then
msg_info "Retrying container creation after upgrade"
if pct create "$CTID" "${TEMPLATE_STORAGE}:vztmpl/${TEMPLATE}" "${PCT_OPTIONS[@]}" >>"$LOGFILE" 2>&1; then
msg_ok "Container created successfully after upgrade."
return 1
else
msg_error "pct create still failed after upgrade. See $LOGFILE"
return 3
fi
fi
return 1
else
msg_error "Upgrade failed. Please check APT output."
return 3
fi
;;
*) return 2 ;;
esac
}
# ------------------------------------------------------------------------------
# Storage discovery / selection helpers
# ------------------------------------------------------------------------------
resolve_storage_preselect() {
local class="$1" preselect="$2" required_content=""
case "$class" in
template) required_content="vztmpl" ;;
container) required_content="rootdir" ;;
*) return 1 ;;
esac
[[ -z "$preselect" ]] && return 1
if ! pvesm status -content "$required_content" | awk 'NR>1{print $1}' | grep -qx -- "$preselect"; then
msg_warn "Preselected storage '${preselect}' does not support content '${required_content}' (or not found)"
return 1
fi
local line total used free
line="$(pvesm status | awk -v s="$preselect" 'NR>1 && $1==s {print $0}')"
if [[ -z "$line" ]]; then
STORAGE_INFO="n/a"
else
total="$(awk '{print $4}' <<<"$line")"
used="$(awk '{print $5}' <<<"$line")"
free="$(awk '{print $6}' <<<"$line")"
local total_h used_h free_h
if command -v numfmt >/dev/null 2>&1; then
total_h="$(numfmt --to=iec --suffix=B --format %.1f "$total" 2>/dev/null || echo "$total")"
used_h="$(numfmt --to=iec --suffix=B --format %.1f "$used" 2>/dev/null || echo "$used")"
free_h="$(numfmt --to=iec --suffix=B --format %.1f "$free" 2>/dev/null || echo "$free")"
STORAGE_INFO="Free: ${free_h} Used: ${used_h}"
else
STORAGE_INFO="Free: ${free} Used: ${used}"
fi
fi
STORAGE_RESULT="$preselect"
return 0
}
check_storage_support() {
local CONTENT="$1" VALID=0
while IFS= read -r line; do
local STORAGE_NAME
STORAGE_NAME=$(awk '{print $1}' <<<"$line")
[[ -n "$STORAGE_NAME" ]] && VALID=1
done < <(pvesm status -content "$CONTENT" 2>/dev/null | awk 'NR>1')
[[ $VALID -eq 1 ]]
}
select_storage() {
local CLASS=$1 CONTENT CONTENT_LABEL
case $CLASS in
container)
CONTENT='rootdir'
CONTENT_LABEL='Container'
;;
template)
CONTENT='vztmpl'
CONTENT_LABEL='Container template'
;;
iso)
CONTENT='iso'
CONTENT_LABEL='ISO image'
;;
images)
CONTENT='images'
CONTENT_LABEL='VM Disk image'
;;
backup)
CONTENT='backup'
CONTENT_LABEL='Backup'
;;
snippets)
CONTENT='snippets'
CONTENT_LABEL='Snippets'
;;
*)
msg_error "Invalid storage class '$CLASS'"
return 1
;;
esac
if [[ "$CONTENT" == "rootdir" && -n "${STORAGE:-}" ]]; then
if pvesm status -content "$CONTENT" | awk 'NR>1 {print $1}' | grep -qx "$STORAGE"; then
STORAGE_RESULT="$STORAGE"
msg_info "Using preset storage: $STORAGE_RESULT for $CONTENT_LABEL"
return 0
else
msg_error "Preset storage '$STORAGE' is not valid for content type '$CONTENT'."
return 2
fi
fi
declare -A STORAGE_MAP
local -a MENU=()
local COL_WIDTH=0
while read -r TAG TYPE _ TOTAL USED FREE _; do
[[ -n "$TAG" && -n "$TYPE" ]] || continue
local DISPLAY="${TAG} (${TYPE})"
local USED_FMT=$(numfmt --to=iec --from-unit=K --format %.1f <<<"$USED")
local FREE_FMT=$(numfmt --to=iec --from-unit=K --format %.1f <<<"$FREE")
local INFO="Free: ${FREE_FMT}B Used: ${USED_FMT}B"
STORAGE_MAP["$DISPLAY"]="$TAG"
MENU+=("$DISPLAY" "$INFO" "OFF")
((${#DISPLAY} > COL_WIDTH)) && COL_WIDTH=${#DISPLAY}
done < <(pvesm status -content "$CONTENT" | awk 'NR>1')
if [[ ${#MENU[@]} -eq 0 ]]; then
msg_error "No storage found for content type '$CONTENT'."
return 2
fi
if [[ $((${#MENU[@]} / 3)) -eq 1 ]]; then
STORAGE_RESULT="${STORAGE_MAP[${MENU[0]}]}"
STORAGE_INFO="${MENU[1]}"
return 0
fi
local WIDTH=$((COL_WIDTH + 42))
while true; do
local DISPLAY_SELECTED
DISPLAY_SELECTED=$(whiptail --backtitle "Proxmox VE Helper Scripts" \
--title "Storage Pools" \
--radiolist "Which storage pool for ${CONTENT_LABEL,,}?\n(Spacebar to select)" \
16 "$WIDTH" 6 "${MENU[@]}" 3>&1 1>&2 2>&3) || exit_script
DISPLAY_SELECTED=$(sed 's/[[:space:]]*$//' <<<"$DISPLAY_SELECTED")
if [[ -z "$DISPLAY_SELECTED" || -z "${STORAGE_MAP[$DISPLAY_SELECTED]+_}" ]]; then
whiptail --msgbox "No valid storage selected. Please try again." 8 58
continue
fi
STORAGE_RESULT="${STORAGE_MAP[$DISPLAY_SELECTED]}"
for ((i = 0; i < ${#MENU[@]}; i += 3)); do
if [[ "${MENU[$i]}" == "$DISPLAY_SELECTED" ]]; then
STORAGE_INFO="${MENU[$i + 1]}"
break
fi
done
return 0
done
}
# ------------------------------------------------------------------------------
# Required input variables
# ------------------------------------------------------------------------------
[[ "${CTID:-}" ]] || {
msg_error "You need to set 'CTID' variable."
exit 203
}
[[ "${PCT_OSTYPE:-}" ]] || {
msg_error "You need to set 'PCT_OSTYPE' variable."
exit 204
}
msg_debug "CTID=$CTID"
msg_debug "PCT_OSTYPE=$PCT_OSTYPE"
msg_debug "PCT_OSVERSION=${PCT_OSVERSION:-default}"
# ID checks
[[ "$CTID" -ge 100 ]] || {
msg_error "ID cannot be less than 100."
exit 205
}
if qm status "$CTID" &>/dev/null || pct status "$CTID" &>/dev/null; then
echo -e "ID '$CTID' is already in use."
unset CTID
msg_error "Cannot use ID that is already in use."
exit 206
fi
# Storage capability check
check_storage_support "rootdir" || {
msg_error "No valid storage found for 'rootdir' [Container]"
exit 1
}
check_storage_support "vztmpl" || {
msg_error "No valid storage found for 'vztmpl' [Template]"
exit 1
}
# Template storage selection
if resolve_storage_preselect template "${TEMPLATE_STORAGE:-}"; then
TEMPLATE_STORAGE="$STORAGE_RESULT"
TEMPLATE_STORAGE_INFO="$STORAGE_INFO"
msg_ok "Storage ${BL}${TEMPLATE_STORAGE}${CL} (${TEMPLATE_STORAGE_INFO}) [Template]"
else
while true; do
if select_storage template; then
TEMPLATE_STORAGE="$STORAGE_RESULT"
TEMPLATE_STORAGE_INFO="$STORAGE_INFO"
msg_ok "Storage ${BL}${TEMPLATE_STORAGE}${CL} (${TEMPLATE_STORAGE_INFO}) [Template]"
break
fi
done
fi
# Container storage selection
if resolve_storage_preselect container "${CONTAINER_STORAGE:-}"; then
CONTAINER_STORAGE="$STORAGE_RESULT"
CONTAINER_STORAGE_INFO="$STORAGE_INFO"
msg_ok "Storage ${BL}${CONTAINER_STORAGE}${CL} (${CONTAINER_STORAGE_INFO}) [Container]"
else
while true; do
if select_storage container; then
CONTAINER_STORAGE="$STORAGE_RESULT"
CONTAINER_STORAGE_INFO="$STORAGE_INFO"
msg_ok "Storage ${BL}${CONTAINER_STORAGE}${CL} (${CONTAINER_STORAGE_INFO}) [Container]"
break
fi
done
fi
# Validate content types
msg_info "Validating content types of storage '$CONTAINER_STORAGE'"
STORAGE_CONTENT=$(grep -A4 -E "^(zfspool|dir|lvmthin|lvm): $CONTAINER_STORAGE" /etc/pve/storage.cfg | grep content | awk '{$1=""; print $0}' | xargs)
msg_debug "Storage '$CONTAINER_STORAGE' has content types: $STORAGE_CONTENT"
grep -qw "rootdir" <<<"$STORAGE_CONTENT" || {
msg_error "Storage '$CONTAINER_STORAGE' does not support 'rootdir'. Cannot create LXC."
exit 217
}
msg_ok "Storage '$CONTAINER_STORAGE' supports 'rootdir'"
msg_info "Validating content types of template storage '$TEMPLATE_STORAGE'"
TEMPLATE_CONTENT=$(grep -A4 -E "^[^:]+: $TEMPLATE_STORAGE" /etc/pve/storage.cfg | grep content | awk '{$1=""; print $0}' | xargs)
msg_debug "Template storage '$TEMPLATE_STORAGE' has content types: $TEMPLATE_CONTENT"
if ! grep -qw "vztmpl" <<<"$TEMPLATE_CONTENT"; then
msg_warn "Template storage '$TEMPLATE_STORAGE' does not declare 'vztmpl'. This may cause pct create to fail."
else
msg_ok "Template storage '$TEMPLATE_STORAGE' supports 'vztmpl'"
fi
# Free space check
STORAGE_FREE=$(pvesm status | awk -v s="$CONTAINER_STORAGE" '$1 == s { print $6 }')
REQUIRED_KB=$((${PCT_DISK_SIZE:-8} * 1024 * 1024))
[[ "$STORAGE_FREE" -ge "$REQUIRED_KB" ]] || {
msg_error "Not enough space on '$CONTAINER_STORAGE'. Needed: ${PCT_DISK_SIZE:-8}G."
exit 214
}
# Cluster quorum (if cluster)
if [[ -f /etc/pve/corosync.conf ]]; then
msg_info "Checking cluster quorum"
if ! pvecm status | awk -F':' '/^Quorate/ { exit ($2 ~ /Yes/) ? 0 : 1 }'; then
msg_error "Cluster is not quorate. Start all nodes or configure quorum device (QDevice)."
exit 210
fi
msg_ok "Cluster is quorate"
fi
# ------------------------------------------------------------------------------
# Template discovery & validation
# ------------------------------------------------------------------------------
TEMPLATE_SEARCH="${PCT_OSTYPE}-${PCT_OSVERSION:-}"
case "$PCT_OSTYPE" in
debian | ubuntu) TEMPLATE_PATTERN="-standard_" ;;
alpine | fedora | rocky | centos) TEMPLATE_PATTERN="-default_" ;;
*) TEMPLATE_PATTERN="" ;;
esac
msg_info "Searching for template '$TEMPLATE_SEARCH'"
mapfile -t LOCAL_TEMPLATES < <(
pveam list "$TEMPLATE_STORAGE" 2>/dev/null |
awk -v s="$TEMPLATE_SEARCH" -v p="$TEMPLATE_PATTERN" '$1 ~ s && $1 ~ p {print $1}' |
sed 's|.*/||' | sort -t - -k 2 -V
)
pveam update >/dev/null 2>&1 || msg_warn "Could not update template catalog (pveam update failed)."
mapfile -t ONLINE_TEMPLATES < <(
pveam available -section system 2>/dev/null |
sed -n "s/.*\($TEMPLATE_SEARCH.*$TEMPLATE_PATTERN.*\)/\1/p" |
sort -t - -k 2 -V
)
ONLINE_TEMPLATE=""
[[ ${#ONLINE_TEMPLATES[@]} -gt 0 ]] && ONLINE_TEMPLATE="${ONLINE_TEMPLATES[-1]}"
if [[ ${#LOCAL_TEMPLATES[@]} -gt 0 ]]; then
TEMPLATE="${LOCAL_TEMPLATES[-1]}"
TEMPLATE_SOURCE="local"
else
TEMPLATE="$ONLINE_TEMPLATE"
TEMPLATE_SOURCE="online"
fi
TEMPLATE_PATH="$(pvesm path $TEMPLATE_STORAGE:vztmpl/$TEMPLATE 2>/dev/null || true)"
if [[ -z "$TEMPLATE_PATH" ]]; then
TEMPLATE_BASE=$(awk -v s="$TEMPLATE_STORAGE" '$1==s {f=1} f && /path/ {print $2; exit}' /etc/pve/storage.cfg)
[[ -n "$TEMPLATE_BASE" ]] && TEMPLATE_PATH="$TEMPLATE_BASE/template/cache/$TEMPLATE"
fi
[[ -n "$TEMPLATE_PATH" ]] || {
msg_error "Unable to resolve template path for $TEMPLATE_STORAGE. Check storage type and permissions."
exit 220
}
msg_ok "Template ${BL}$TEMPLATE${CL} [$TEMPLATE_SOURCE]"
msg_debug "Resolved TEMPLATE_PATH=$TEMPLATE_PATH"
NEED_DOWNLOAD=0
if [[ ! -f "$TEMPLATE_PATH" ]]; then
msg_info "Template not present locally will download."
NEED_DOWNLOAD=1
elif [[ ! -r "$TEMPLATE_PATH" ]]; then
msg_error "Template file exists but is not readable check permissions."
exit 221
elif [[ "$(stat -c%s "$TEMPLATE_PATH")" -lt 1000000 ]]; then
if [[ -n "$ONLINE_TEMPLATE" ]]; then
msg_warn "Template file too small (<1MB) re-downloading."
NEED_DOWNLOAD=1
else
msg_warn "Template looks too small, but no online version exists. Keeping local file."
fi
elif ! tar -tf "$TEMPLATE_PATH" &>/dev/null; then
if [[ -n "$ONLINE_TEMPLATE" ]]; then
msg_warn "Template appears corrupted re-downloading."
NEED_DOWNLOAD=1
else
msg_warn "Template appears corrupted, but no online version exists. Keeping local file."
fi
else
msg_ok "Template $TEMPLATE is present and valid."
fi
if [[ "$TEMPLATE_SOURCE" == "local" && -n "$ONLINE_TEMPLATE" && "$TEMPLATE" != "$ONLINE_TEMPLATE" ]]; then
msg_warn "Local template is outdated: $TEMPLATE (latest available: $ONLINE_TEMPLATE)"
if whiptail --yesno "A newer template is available:\n$ONLINE_TEMPLATE\n\nDo you want to download and use it instead?" 12 70; then
TEMPLATE="$ONLINE_TEMPLATE"
NEED_DOWNLOAD=1
else
msg_info "Continuing with local template $TEMPLATE"
fi
fi
if [[ "$NEED_DOWNLOAD" -eq 1 ]]; then
[[ -f "$TEMPLATE_PATH" ]] && rm -f "$TEMPLATE_PATH"
for attempt in {1..3}; do
msg_info "Attempt $attempt: Downloading template $TEMPLATE to $TEMPLATE_STORAGE"
if pveam download "$TEMPLATE_STORAGE" "$TEMPLATE" >/dev/null 2>&1; then
msg_ok "Template download successful."
break
fi
if [[ $attempt -eq 3 ]]; then
msg_error "Failed after 3 attempts. Please check network access, permissions, or manually run:\n pveam download $TEMPLATE_STORAGE $TEMPLATE"
exit 222
fi
sleep $((attempt * 5))
done
fi
if ! pveam list "$TEMPLATE_STORAGE" 2>/dev/null | grep -q "$TEMPLATE"; then
msg_error "Template $TEMPLATE not available in storage $TEMPLATE_STORAGE after download."
exit 223
fi
msg_ok "Template $TEMPLATE is ready for container creation."
# ------------------------------------------------------------------------------
# Dynamic preflight for Debian 13.x: offer upgrade if available (no hard mins)
# ------------------------------------------------------------------------------
if [[ "$PCT_OSTYPE" == "debian" ]]; then
OSVER="$(parse_template_osver "$TEMPLATE")"
if [[ -n "$OSVER" ]]; then
# Proactive, aber ohne Abbruch nur Angebot
offer_lxc_stack_upgrade_and_maybe_retry "no" || true
fi
fi
# ------------------------------------------------------------------------------
# Create LXC Container
# ------------------------------------------------------------------------------
msg_info "Creating LXC container"
# Ensure subuid/subgid entries exist
grep -q "root:100000:65536" /etc/subuid || echo "root:100000:65536" >>/etc/subuid
grep -q "root:100000:65536" /etc/subgid || echo "root:100000:65536" >>/etc/subgid
# Assemble pct options
PCT_OPTIONS=(${PCT_OPTIONS[@]:-${DEFAULT_PCT_OPTIONS[@]}})
[[ " ${PCT_OPTIONS[*]} " =~ " -rootfs " ]] || PCT_OPTIONS+=(-rootfs "$CONTAINER_STORAGE:${PCT_DISK_SIZE:-8}")
# Lock by template file (avoid concurrent downloads/creates)
lockfile="/tmp/template.${TEMPLATE}.lock"
exec 9>"$lockfile" || {
msg_error "Failed to create lock file '$lockfile'."
exit 200
}
flock -w 60 9 || {
msg_error "Timeout while waiting for template lock."
exit 211
}
LOGFILE="/tmp/pct_create_${CTID}.log"
msg_debug "pct create command: pct create $CTID ${TEMPLATE_STORAGE}:vztmpl/${TEMPLATE} ${PCT_OPTIONS[*]}"
msg_debug "Logfile: $LOGFILE"
# First attempt
if ! pct create "$CTID" "${TEMPLATE_STORAGE}:vztmpl/${TEMPLATE}" "${PCT_OPTIONS[@]}" >"$LOGFILE" 2>&1; then
msg_error "Container creation failed on ${TEMPLATE_STORAGE}. Checking template..."
# Validate template file
if [[ ! -s "$TEMPLATE_PATH" || "$(stat -c%s "$TEMPLATE_PATH")" -lt 1000000 ]]; then
msg_warn "Template file too small or missing re-downloading."
rm -f "$TEMPLATE_PATH"
pveam download "$TEMPLATE_STORAGE" "$TEMPLATE"
elif ! tar -tf "$TEMPLATE_PATH" &>/dev/null; then
if [[ -n "$ONLINE_TEMPLATE" ]]; then
msg_warn "Template appears corrupted re-downloading."
rm -f "$TEMPLATE_PATH"
pveam download "$TEMPLATE_STORAGE" "$TEMPLATE"
else
msg_warn "Template appears corrupted, but no online version exists. Skipping re-download."
fi
fi
# Retry after repair
if ! pct create "$CTID" "${TEMPLATE_STORAGE}:vztmpl/${TEMPLATE}" "${PCT_OPTIONS[@]}" >>"$LOGFILE" 2>&1; then
# Fallback to local storage
if [[ "$TEMPLATE_STORAGE" != "local" ]]; then
msg_warn "Retrying container creation with fallback to local storage..."
LOCAL_TEMPLATE_PATH="/var/lib/vz/template/cache/$TEMPLATE"
if [[ ! -f "$LOCAL_TEMPLATE_PATH" ]]; then
msg_info "Downloading template to local..."
pveam download local "$TEMPLATE" >/dev/null 2>&1
fi
if pct create "$CTID" "local:vztmpl/${TEMPLATE}" "${PCT_OPTIONS[@]}" >>"$LOGFILE" 2>&1; then
msg_ok "Container successfully created using local fallback."
else
# --- Dynamic stack upgrade + auto-retry on the well-known error pattern ---
if grep -qiE 'unsupported .* version' "$LOGFILE"; then
echo
echo "pct reported 'unsupported ... version' your LXC stack might be too old for this template."
echo "We can try to upgrade 'pve-container' and 'lxc-pve' now and retry automatically."
if offer_lxc_stack_upgrade_and_maybe_retry "yes"; then
: # success after retry
else
rc=$?
case $rc in
2) echo "Upgrade was declined. Please update and re-run:
apt update && apt install --only-upgrade pve-container lxc-pve" ;;
3) echo "Upgrade and/or retry failed. Please inspect: $LOGFILE" ;;
esac
exit 231
fi
else
msg_error "Container creation failed even with local fallback. See $LOGFILE"
if whiptail --yesno "pct create failed.\nDo you want to enable verbose debug mode and view detailed logs?" 12 70; then
set -x
bash -x -c "pct create $CTID local:vztmpl/${TEMPLATE} ${PCT_OPTIONS[*]}" 2>&1 | tee -a "$LOGFILE"
set +x
fi
exit 209
fi
fi
else
msg_error "Container creation failed on local storage. See $LOGFILE"
# --- Dynamic stack upgrade + auto-retry on the well-known error pattern ---
if grep -qiE 'unsupported .* version' "$LOGFILE"; then
echo
echo "pct reported 'unsupported ... version' your LXC stack might be too old for this template."
echo "We can try to upgrade 'pve-container' and 'lxc-pve' now and retry automatically."
if offer_lxc_stack_upgrade_and_maybe_retry "yes"; then
: # success after retry
else
rc=$?
case $rc in
2) echo "Upgrade was declined. Please update and re-run:
apt update && apt install --only-upgrade pve-container lxc-pve" ;;
3) echo "Upgrade and/or retry failed. Please inspect: $LOGFILE" ;;
esac
exit 231
fi
else
if whiptail --yesno "pct create failed.\nDo you want to enable verbose debug mode and view detailed logs?" 12 70; then
set -x
bash -x -c "pct create $CTID local:vztmpl/${TEMPLATE} ${PCT_OPTIONS[*]}" 2>&1 | tee -a "$LOGFILE"
set +x
fi
exit 209
fi
fi
fi
fi
# Verify container exists
pct list | awk '{print $1}' | grep -qx "$CTID" || {
msg_error "Container ID $CTID not listed in 'pct list'. See $LOGFILE"
exit 215
}
# Verify config rootfs
grep -q '^rootfs:' "/etc/pve/lxc/$CTID.conf" || {
msg_error "RootFS entry missing in container config. See $LOGFILE"
exit 216
}
msg_ok "LXC Container ${BL}$CTID${CL} ${GN}was successfully created."