Refactor: ownCloud VM

Updated ownCloud VM script to version 19.0 and modified various settings and functions for improved functionality.

.github/autolabeler-config.json

@@ -77,6 +77,17 @@
       "excludeGlobs": []
     }
   ],
+  "core": [
+    {
+      "fileStatus": null,
+      "includeGlobs": [
+        "misc/*.func"
+      ],
+      "excludeGlobs": [
+        "misc/api.func"
+      ]
+    }
+  ],
   "documentation": [
     {
       "fileStatus": null,
@@ -103,7 +114,8 @@
     {
       "fileStatus": null,
       "includeGlobs": [
-        "api/**"
+        "api/**",
+        "misc/api.func"
       ],
       "excludeGlobs": []
     }

.github/workflows/delete-pocketbase-entry-on-removal.yml

@@ -267,14 +267,15 @@ jobs:
               const stubPath = path.join('ct', slug + '.sh');
               const content = [
                 "#!/usr/bin/env bash",
-                "source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/core/main/core/core.func)",
+                "source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/build.func)",
                 "# Copyright (c) 2021-2026 community-scripts ORG",
                 "# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE",
                 "",
                 `APP="${appName.replace(/"/g, '\\"')}"`,
                 "",
+                'header_info "$APP"',
+                'variables',
                 'color',
-                'header_info',
                 "",
                 'msg_error "This script is no longer available in community-scripts."',
                 `msg_error "${deletedMessage.replace(/"/g, '\\"')}"`,

.github/workflows/pr-test-command.yml

@@ -184,8 +184,8 @@ jobs:
                 );
               }
               lines.push(
-                'Only the script itself comes from this branch. The engine it loads still',
-                'comes from community-scripts/core on `main`.',
+                'Only the script itself comes from this branch. Whatever it loads, the engine',
+                'or the `misc/` helpers, still comes from `main`.',
               );
             }
 

.github/workflows/sync-to-incus.yml

@@ -5,8 +5,8 @@ name: Sync ct/install to Incus
 #
 # The actual mirroring + transformation lives in community-scripts/Incus
 # (.github/workflows/sync-scripts.yml): it rewrites each script's bootstrap line
-# to load the engine from community-scripts/core (ct scripts here load its PVE
-# backend; Incus needs the Incus one), so a plain 1:1 copy would break every Incus
+# to load the engine from community-scripts/core (ProxmoxVE's misc/build.func is
+# a monolith with no Incus backend), so a plain 1:1 copy would break every Incus
 # script. We therefore only fire a repository_dispatch and let that single
 # source of truth do the work (and auto-approve + merge its own PR).
 #

CHANGELOG.md

@@ -1,6 +1,6 @@
 <div align="center">
   <a href="#">
-    <img src="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/.github/assets/logo.png" height="100px" />
+    <img src="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/images/logo.png" height="100px" />
  </a>
 </div>
 <h1 align="center">Changelog</h1>

README.md

@@ -1,6 +1,6 @@
 <div align="center">
-  <a href=".github/assets/community-scripts.svg"><img src=".github/assets/community-scripts.png" width="112" height="112" alt="Community Scripts — Proxmox VE logo" /></a>
-  <!-- Editable artwork: .github/assets/community-scripts.svg; PNG export: 512 × 512. -->
+  <a href="misc/images/community-scripts.svg"><img src="misc/images/community-scripts.png" width="112" height="112" alt="Community Scripts — Proxmox VE logo" /></a>
+  <!-- Editable artwork: misc/images/community-scripts.svg; PNG export: 512 × 512. -->
 
   <h1>Community Scripts — Proxmox VE</h1>
   <p><strong>One-command installations for services, containers and VMs on Proxmox VE</strong><br/>
@@ -104,6 +104,7 @@ Virtual machine scripts need the same versions as containers.
 | `vm/` | Virtual machine scripts |
 | `tools/pve/` | Host tooling: post-install, hardware passthrough, maintenance |
 | `turnkey/` | TurnKey Linux appliance helper |
+| `misc/` | Legacy engine copies — current scripts load [core](https://github.com/community-scripts/core) at runtime, so changes here never reach a running install |
 
 Application metadata — name, description, logo, tags — is managed on the website,
 not in this repository. Use the **Report Issue** link on any script page to

install/argus-install.sh

@@ -57,7 +57,7 @@ service:
       url: community-scripts/ProxmoxVE
       use_prerelease: false
     dashboard:
-      icon: https://raw.githubusercontent.com/community-scripts/ProxmoxVE/refs/heads/main/.github/assets/logo.png
+      icon: https://raw.githubusercontent.com/community-scripts/ProxmoxVE/refs/heads/main/misc/images/logo.png
       icon_link_to: https://community-scripts.org/
       web_url: https://github.com/community-scripts/ProxmoxVE/releases
 EOF

misc/alpine-install.func

@@ -0,0 +1,275 @@
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: tteck (tteckster)
+# Co-Author: MickLesk
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+
+if ! command -v curl >/dev/null 2>&1; then
+  apk update && apk add curl >/dev/null 2>&1
+fi
+# Mark container context BEFORE error handling starts: error_handler/on_exit
+# must write local failure artifacts instead of talking to the telemetry API
+# (the host is the single telemetry reporter).
+export TELEMETRY_CONTEXT="container"
+# A freshly booted container may not have DNS up yet. `source <(curl ...)` hides
+# curl's exit code, so a failed download would silently source an empty stream.
+_bootstrap_die() {
+  if declare -f msg_error >/dev/null 2>&1; then
+    msg_error "$1"
+  else
+    echo "FATAL: $1" >&2
+  fi
+  exit 115
+}
+
+_bootstrap_source() {
+  local url="$1" probe="$2" content
+  content=$(curl -fsSL --connect-timeout 10 --retry 5 --retry-connrefused --retry-delay 2 "$url") ||
+    _bootstrap_die "Failed to download ${url##*/}"
+  source /dev/stdin <<<"$content"
+  declare -f "$probe" >/dev/null 2>&1 ||
+    _bootstrap_die "${url##*/} loaded but incomplete (missing ${probe})"
+}
+
+_FUNC_BASE="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc"
+_bootstrap_source "$_FUNC_BASE/core.func" load_functions
+_bootstrap_source "$_FUNC_BASE/error_handler.func" catch_errors
+load_functions
+catch_errors
+
+# Persist diagnostics setting inside container (exported from build.func)
+# so addon scripts running later can find the user's choice
+if [[ ! -f /usr/local/community-scripts/diagnostics ]]; then
+  mkdir -p /usr/local/community-scripts
+  echo "DIAGNOSTICS=${DIAGNOSTICS:-no}" >/usr/local/community-scripts/diagnostics
+fi
+
+# Get LXC IP address (must be called INSIDE container, after network is up)
+get_lxc_ip
+
+# ------------------------------------------------------------------------------
+# post_progress_to_api()
+#
+# - Lightweight progress ping from inside the container
+# - Updates the existing telemetry record status
+# - Arguments:
+#   * $1: status (optional, default: "configuring")
+# - Signals that the installation is actively progressing (not stuck)
+# - Fire-and-forget: never blocks or fails the script
+# - Only executes if DIAGNOSTICS=yes and RANDOM_UUID is set
+# ------------------------------------------------------------------------------
+post_progress_to_api() {
+  command -v curl &>/dev/null || return 0
+  [[ "${DIAGNOSTICS:-no}" == "no" ]] && return 0
+  [[ -z "${RANDOM_UUID:-}" ]] && return 0
+
+  local progress_status="${1:-configuring}"
+
+  curl -fsS -m 5 -X POST "https://telemetry.community-scripts.org/telemetry" \
+    -H "Content-Type: application/json" \
+    -d "{\"random_id\":\"${RANDOM_UUID}\",\"execution_id\":\"${EXECUTION_ID:-${RANDOM_UUID}}\",\"type\":\"lxc\",\"nsapp\":\"${app:-unknown}\",\"status\":\"${progress_status}\",\"platform\":\"${TELEMETRY_PLATFORM:-}\",\"repo_source\":\"${REPO_SOURCE:-}\",\"repo_slug\":\"${REPO_SLUG:-}\"}" &>/dev/null || true
+}
+
+# This function enables IPv6 if it's not disabled and sets verbose mode
+verb_ip6() {
+  set_std_mode # Set STD mode based on VERBOSE
+
+  if [ "${IPV6_METHOD:-}" = "disable" ]; then
+    msg_info "Disabling IPv6 (this may affect some services)"
+    $STD sysctl -w net.ipv6.conf.all.disable_ipv6=1
+    $STD sysctl -w net.ipv6.conf.default.disable_ipv6=1
+    $STD sysctl -w net.ipv6.conf.lo.disable_ipv6=1
+    mkdir -p /etc/sysctl.d
+    $STD tee /etc/sysctl.d/99-disable-ipv6.conf >/dev/null <<EOF
+net.ipv6.conf.all.disable_ipv6 = 1
+net.ipv6.conf.default.disable_ipv6 = 1
+net.ipv6.conf.lo.disable_ipv6 = 1
+EOF
+    $STD rc-update add sysctl default
+    msg_ok "Disabled IPv6"
+  fi
+}
+
+# This function sets up the Container OS by generating the locale, setting the timezone, and checking the network connection
+setting_up_container() {
+  msg_info "Setting up Container OS"
+  while [ $i -gt 0 ]; do
+    if [ "$(ip addr show | grep 'inet ' | grep -v '127.0.0.1' | awk '{print $2}' | cut -d'/' -f1)" != "" ]; then
+      break
+    fi
+    echo 1>&2 -en "${CROSS}${RD} No Network! "
+    sleep $RETRY_EVERY
+    i=$((i - 1))
+  done
+
+  if [ "$(ip addr show | grep 'inet ' | grep -v '127.0.0.1' | awk '{print $2}' | cut -d'/' -f1)" = "" ]; then
+    echo 1>&2 -e "\n${CROSS}${RD} No Network After $RETRY_NUM Tries${CL}"
+    echo -e "${NETWORK}Check Network Settings"
+    exit 121
+  fi
+  msg_ok "Set up Container OS"
+  msg_ok "Network Connected: ${BL}$(ip addr show | grep 'inet ' | awk '{print $2}' | cut -d'/' -f1 | tail -n1)${CL}"
+  post_progress_to_api
+}
+
+# This function checks the network connection by pinging a known IP address and prompts the user to continue if the internet is not connected
+network_check() {
+  set +e
+  trap - ERR
+  ipv4_connected=false
+
+  # Check IPv4 connectivity to Cloudflare, Google & Quad9 DNS servers
+  if ping -c 1 -W 1 1.1.1.1 &>/dev/null || ping -c 1 -W 1 8.8.8.8 &>/dev/null || ping -c 1 -W 1 9.9.9.9 &>/dev/null; then
+    msg_ok "IPv4 Internet Connected"
+    ipv4_connected=true
+  else
+    msg_error "IPv4 Internet Not Connected"
+  fi
+
+  if [[ $ipv4_connected == false ]]; then
+    read -r -p "No Internet detected, would you like to continue anyway? <y/N> " prompt </dev/tty
+    if [[ "${prompt,,}" =~ ^(y|yes)$ ]]; then
+      echo -e "${INFO}${RD}Expect Issues Without Internet${CL}"
+    else
+      echo -e "${NETWORK}Check Network Settings"
+      exit 122
+    fi
+  fi
+
+  # DNS resolution checks for GitHub-related domains
+  GIT_HOSTS=("github.com" "raw.githubusercontent.com" "api.github.com")
+  GIT_STATUS="Git DNS:"
+  DNS_FAILED=false
+
+  for HOST in "${GIT_HOSTS[@]}"; do
+    RESOLVEDIP=$(getent hosts "$HOST" | awk '{ print $1 }' | grep -E '(^([0-9]{1,3}\.){3}[0-9]{1,3}$)|(^[a-fA-F0-9:]+$)' | head -n1)
+    if [[ -z "$RESOLVEDIP" ]]; then
+      GIT_STATUS+="$HOST:($DNSFAIL)"
+      DNS_FAILED=true
+    else
+      GIT_STATUS+=" $HOST:($DNSOK)"
+    fi
+  done
+
+  if [[ "$DNS_FAILED" == true ]]; then
+    fatal "$GIT_STATUS"
+  else
+    msg_ok "$GIT_STATUS"
+  fi
+
+  set -e
+  trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
+}
+
+# This function updates the Container OS by running apk upgrade with mirror fallback
+update_os() {
+  msg_info "Updating Container OS"
+  configure_http_proxy
+  if ! $STD apk -U upgrade; then
+    msg_warn "apk update failed (dl-cdn.alpinelinux.org), trying alternate mirrors..."
+    local alpine_mirrors="mirror.init7.net ftp.halifax.rwth-aachen.de mirrors.edge.kernel.org alpine.mirror.wearetriple.com mirror.leaseweb.com uk.alpinelinux.org dl-2.alpinelinux.org dl-4.alpinelinux.org"
+    local apk_ok=false
+    for m in $(printf '%s\n' $alpine_mirrors | shuf); do
+      if timeout 2 bash -c "echo >/dev/tcp/$m/80" 2>/dev/null; then
+        msg_custom "${INFO}" "${YW}" "Attempting mirror: ${m}"
+        cat <<EOF >/etc/apk/repositories
+http://$m/alpine/latest-stable/main
+http://$m/alpine/latest-stable/community
+EOF
+        if $STD apk -U upgrade; then
+          msg_ok "CDN set to ${m}: tests passed"
+          apk_ok=true
+          break
+        else
+          msg_warn "Mirror ${m} failed"
+        fi
+      fi
+    done
+    if [[ "$apk_ok" != true ]]; then
+      msg_error "All Alpine mirrors failed. Check network or try again later."
+      exit 1
+    fi
+  fi
+  local tools_content
+  tools_content=$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/tools.func) || {
+    msg_error "Failed to download tools.func"
+    exit 115
+  }
+  source /dev/stdin <<<"$tools_content"
+  if ! declare -f fetch_and_deploy_gh_release >/dev/null 2>&1; then
+    msg_error "tools.func loaded but incomplete — missing expected functions"
+    exit 115
+  fi
+  msg_ok "Updated Container OS"
+  post_progress_to_api
+}
+
+# This function modifies the message of the day (motd) and SSH settings
+motd_ssh() {
+  echo "export TERM='xterm-256color'" >>/root/.bashrc
+
+  PROFILE_FILE="/etc/profile.d/00_lxc-details.sh"
+
+  echo "[ -t 1 ] || return 0" >"$PROFILE_FILE"
+  echo "echo -e \"\"" >>"$PROFILE_FILE"
+  echo -e "echo -e \"${BOLD}${APPLICATION} LXC Container${CL}"\" >>"$PROFILE_FILE"
+  echo -e "echo -e \"${TAB}${GATEWAY}${YW} Provided by: ${GN}community-scripts ORG ${YW}| GitHub: ${GN}https://github.com/community-scripts/ProxmoxVE${CL}\"" >>"$PROFILE_FILE"
+  echo "echo \"\"" >>"$PROFILE_FILE"
+  cat <<EOF >>"$PROFILE_FILE"
+os_display="Unknown OS"
+if [ -r /etc/os-release ]; then
+  . /etc/os-release
+  os_display="\${PRETTY_NAME:-\${NAME:-Unknown OS}}"
+fi
+echo -e "${TAB}${OS}${YW} OS: ${GN}\${os_display}${CL}"
+EOF
+  echo -e "echo -e \"${TAB}${HOSTNAME}${YW} Hostname: ${GN}\$(hostname)${CL}\"" >>"$PROFILE_FILE"
+  echo -e "echo -e \"${TAB}${INFO}${YW} IP Address: ${GN}\$(ip -4 addr show eth0 | awk '/inet / {print \$2}' | cut -d/ -f1 | head -n 1)${CL}\"" >>"$PROFILE_FILE"
+
+  # Configure SSH if enabled
+  if [[ "${SSH_ROOT}" == "yes" ]]; then
+    # Enable sshd service
+    $STD rc-update add sshd
+    # Allow root login via SSH
+    sed -i "s/#PermitRootLogin prohibit-password/PermitRootLogin yes/g" /etc/ssh/sshd_config
+    # Start the sshd service
+    $STD /etc/init.d/sshd start
+  fi
+  post_progress_to_api
+}
+
+# Validate Timezone for some LXC's
+validate_tz() {
+  [[ -f "/usr/share/zoneinfo/$1" ]]
+}
+
+# This function customizes the container and enables passwordless login for the root user
+customize() {
+  if [[ "$PASSWORD" == "" ]]; then
+    msg_info "Customizing Container"
+    passwd -d root >/dev/null 2>&1
+
+    # Ensure agetty is available
+    apk add --no-cache --force-broken-world util-linux >/dev/null 2>&1
+
+    # Create persistent autologin boot script
+    mkdir -p /etc/local.d
+    cat <<'EOF' >/etc/local.d/autologin.start
+#!/bin/sh
+sed -i 's|^tty1::respawn:.*|tty1::respawn:/sbin/agetty --autologin root --noclear tty1 38400 linux|' /etc/inittab
+kill -HUP 1
+EOF
+    touch /root/.hushlogin
+
+    chmod +x /etc/local.d/autologin.start
+    rc-update add local >/dev/null 2>&1
+
+    # Apply autologin immediately for current session
+    /etc/local.d/autologin.start
+
+    msg_ok "Customized Container"
+  fi
+
+  echo 'set -a; [ -f /etc/profile.d/90-http-proxy.sh ] && . /etc/profile.d/90-http-proxy.sh; set +a; bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/'"${app}"'.sh)"' >/usr/bin/update
+  chmod +x /usr/bin/update
+  post_progress_to_api
+}

misc/alpine-tools.func

@@ -0,0 +1,515 @@
+#!/bin/ash
+# shellcheck shell=ash
+
+# Expects existing msg_* functions and optional $STD from the framework.
+
+# ------------------------------
+# helpers
+# ------------------------------
+lower() { printf '%s' "$1" | tr '[:upper:]' '[:lower:]'; }
+has() { command -v "$1" >/dev/null 2>&1; }
+
+need_tool() {
+  # usage: need_tool curl jq unzip ...
+  # setup missing tools via apk
+  local missing=0 t
+  for t in "$@"; do
+    if ! has "$t"; then missing=1; fi
+  done
+  if [ "$missing" -eq 1 ]; then
+    msg_info "Installing tools: $*"
+    apk add --no-cache "$@" >/dev/null 2>&1 || {
+      msg_error "apk add failed for: $*"
+      return 100
+    }
+    msg_ok "Tools ready: $*"
+  fi
+}
+
+net_resolves() {
+  # better handling for missing getent on Alpine
+  # usage: net_resolves api.github.com
+  local host="$1"
+  ping -c1 -W1 "$host" >/dev/null 2>&1 || nslookup "$host" >/dev/null 2>&1
+}
+
+ensure_usr_local_bin_persist() {
+  # Login shells: /etc/profile.d/
+  local PROFILE_FILE="/etc/profile.d/10-localbin.sh"
+  if [ ! -f "$PROFILE_FILE" ]; then
+    echo 'case ":$PATH:" in *:/usr/local/bin:*) ;; *) export PATH="/usr/local/bin:$PATH";; esac' >"$PROFILE_FILE"
+    chmod +x "$PROFILE_FILE"
+  fi
+
+  # Non-login shells (pct enter): /root/.profile and /root/.bashrc
+  for rc_file in /root/.profile /root/.bashrc; do
+    if [ -f "$rc_file" ] && ! grep -q '/usr/local/bin' "$rc_file"; then
+      echo 'export PATH="/usr/local/bin:$PATH"' >>"$rc_file"
+    fi
+  done
+}
+
+download_with_progress() {
+  # $1 url, $2 dest
+  local url="$1" out="$2" cl
+  need_tool curl pv || return 127
+  cl=$(curl -fsSLI "$url" 2>/dev/null | awk 'tolower($0) ~ /^content-length:/ {print $2}' | tr -d '\r')
+  if [ -n "$cl" ]; then
+    curl -fsSL "$url" | pv -s "$cl" >"$out" || {
+      msg_error "Download failed: $url"
+      return 250
+    }
+  else
+    curl -fL# -o "$out" "$url" || {
+      msg_error "Download failed: $url"
+      return 250
+    }
+  fi
+}
+
+# ------------------------------
+# GitHub: check Release
+# ------------------------------
+check_for_gh_release() {
+  # app, repo, [pinned]
+  local app="$1" source="$2" pinned="${3:-}"
+  local app_lc
+  app_lc="$(lower "$app" | tr -d ' ')"
+  local current_file="$HOME/.${app_lc}"
+  local current="" release tag
+
+  msg_info "Check for update: $app"
+
+  net_resolves api.github.com || {
+    msg_error "DNS/network error: api.github.com"
+    return 6
+  }
+  need_tool curl jq || return 127
+
+  tag=$(curl -fsSL "https://api.github.com/repos/${source}/releases/latest" | jq -r '.tag_name // empty')
+  [ -z "$tag" ] && {
+    msg_error "Unable to fetch latest tag for $app"
+    return 22
+  }
+  release="${tag#v}"
+
+  [ -f "$current_file" ] && current="$(cat "$current_file")"
+
+  if [ -n "$pinned" ]; then
+    if [ "$pinned" = "$release" ]; then
+      msg_ok "$app pinned to v$pinned (no update)"
+      return 1
+    fi
+    if [ "$current" = "$pinned" ]; then
+      msg_ok "$app pinned v$pinned installed (upstream v$release)"
+      return 1
+    fi
+    msg_info "$app pinned v$pinned (upstream v$release) → update/downgrade"
+    CHECK_UPDATE_RELEASE="$pinned"
+    return 0
+  fi
+
+  if [ "$release" != "$current" ] || [ ! -f "$current_file" ]; then
+    CHECK_UPDATE_RELEASE="$release"
+    msg_info "New release available: v$release (current: v${current:-none})"
+    return 0
+  fi
+
+  msg_ok "$app is up to date (v$release)"
+  return 1
+}
+
+# ------------------------------
+# GitHub: get Release  & deploy (Alpine)
+# modes: tarball | prebuild | singlefile
+# ------------------------------
+fetch_and_deploy_gh() {
+  # $1 app, $2 repo, [$3 mode], [$4 version], [$5 target], [$6 asset_pattern
+  local app="$1" repo="$2" mode="${3:-tarball}" version="${4:-latest}" target="${5:-/opt/$1}" pattern="${6:-}"
+  local app_lc
+  app_lc="$(lower "$app" | tr -d ' ')"
+  local vfile="$HOME/.${app_lc}"
+  local json url filename tmpd unpack
+
+  net_resolves api.github.com || {
+    msg_error "DNS/network error"
+    return 6
+  }
+  need_tool curl jq tar || return 127
+  [ "$mode" = "prebuild" ] || [ "$mode" = "singlefile" ] && need_tool unzip >/dev/null 2>&1 || true
+
+  tmpd="$(mktemp -d)" || return 252
+  mkdir -p "$target"
+
+  # Release JSON
+  if [ "$version" = "latest" ]; then
+    json="$(curl -fsSL "https://api.github.com/repos/$repo/releases/latest")" || {
+      msg_error "GitHub API failed"
+      rm -rf "$tmpd"
+      return 22
+    }
+  else
+    json="$(curl -fsSL "https://api.github.com/repos/$repo/releases/tags/$version")" || {
+      msg_error "GitHub API failed"
+      rm -rf "$tmpd"
+      return 22
+    }
+  fi
+
+  # correct Version
+  version="$(printf '%s' "$json" | jq -r '.tag_name // empty')"
+  version="${version#v}"
+
+  [ -z "$version" ] && {
+    msg_error "No tag in release json"
+    rm -rf "$tmpd"
+    return 65
+  }
+
+  case "$mode" in
+  tarball | source)
+    url="$(printf '%s' "$json" | jq -r '.tarball_url // empty')"
+    [ -z "$url" ] && url="https://github.com/$repo/archive/refs/tags/v$version.tar.gz"
+    filename="${app_lc}-${version}.tar.gz"
+    download_with_progress "$url" "$tmpd/$filename" || {
+      rm -rf "$tmpd"
+      return 250
+    }
+    tar -xzf "$tmpd/$filename" -C "$tmpd" || {
+      msg_error "tar extract failed"
+      rm -rf "$tmpd"
+      return 251
+    }
+    unpack="$(find "$tmpd" -mindepth 1 -maxdepth 1 -type d | head -n1)"
+    # copy content of unpack to target
+    (cd "$unpack" && tar -cf - .) | (cd "$target" && tar -xf -) || {
+      msg_error "copy failed"
+      rm -rf "$tmpd"
+      return 252
+    }
+    ;;
+  prebuild)
+    [ -n "$pattern" ] || {
+      msg_error "prebuild requires asset pattern"
+      rm -rf "$tmpd"
+      return 65
+    }
+    url="$(printf '%s' "$json" | jq -r '.assets[].browser_download_url' | awk -v p="$pattern" '
+        BEGIN{IGNORECASE=1}
+        $0 ~ p {print; exit}
+      ')"
+    [ -z "$url" ] && {
+      msg_error "asset not found for pattern: $pattern"
+      rm -rf "$tmpd"
+      return 250
+    }
+    filename="${url##*/}"
+    download_with_progress "$url" "$tmpd/$filename" || {
+      rm -rf "$tmpd"
+      return 250
+    }
+    # unpack archive (Zip or tarball)
+    case "$filename" in
+    *.zip)
+      need_tool unzip || {
+        rm -rf "$tmpd"
+        return 127
+      }
+      mkdir -p "$tmpd/unp"
+      unzip -q "$tmpd/$filename" -d "$tmpd/unp"
+      ;;
+    *.tar.gz | *.tgz | *.tar.xz | *.tar.zst | *.tar.bz2)
+      mkdir -p "$tmpd/unp"
+      tar -xf "$tmpd/$filename" -C "$tmpd/unp"
+      ;;
+    *)
+      msg_error "unsupported archive: $filename"
+      rm -rf "$tmpd"
+      return 251
+      ;;
+    esac
+    # top-level folder strippen
+    if [ "$(find "$tmpd/unp" -mindepth 1 -maxdepth 1 -type d | wc -l)" -eq 1 ] && [ -z "$(find "$tmpd/unp" -mindepth 1 -maxdepth 1 -type f | head -n1)" ]; then
+      unpack="$(find "$tmpd/unp" -mindepth 1 -maxdepth 1 -type d)"
+      (cd "$unpack" && tar -cf - .) | (cd "$target" && tar -xf -) || {
+        msg_error "copy failed"
+        rm -rf "$tmpd"
+        return 252
+      }
+    else
+      (cd "$tmpd/unp" && tar -cf - .) | (cd "$target" && tar -xf -) || {
+        msg_error "copy failed"
+        rm -rf "$tmpd"
+        return 252
+      }
+    fi
+    ;;
+  singlefile)
+    [ -n "$pattern" ] || {
+      msg_error "singlefile requires asset pattern"
+      rm -rf "$tmpd"
+      return 65
+    }
+    url="$(printf '%s' "$json" | jq -r '.assets[].browser_download_url' | awk -v p="$pattern" '
+        BEGIN{IGNORECASE=1}
+        $0 ~ p {print; exit}
+      ')"
+    [ -z "$url" ] && {
+      msg_error "asset not found for pattern: $pattern"
+      rm -rf "$tmpd"
+      return 250
+    }
+    filename="${url##*/}"
+    download_with_progress "$url" "$target/$app" || {
+      rm -rf "$tmpd"
+      return 250
+    }
+    chmod +x "$target/$app"
+    ;;
+  *)
+    msg_error "Unknown mode: $mode"
+    rm -rf "$tmpd"
+    return 65
+    ;;
+  esac
+
+  echo "$version" >"$vfile"
+  ensure_usr_local_bin_persist
+  rm -rf "$tmpd"
+  msg_ok "Deployed $app ($version) → $target"
+}
+
+# ------------------------------
+# yq (mikefarah) – Alpine
+# ------------------------------
+setup_yq() {
+  # prefer apk, unless FORCE_GH=1
+  if [ "${FORCE_GH:-0}" != "1" ] && apk info -e yq >/dev/null 2>&1; then
+    msg_info "Updating yq via apk"
+    apk add --no-cache --upgrade yq >/dev/null 2>&1 || true
+    msg_ok "yq ready ($(yq --version 2>/dev/null))"
+    return 0
+  fi
+
+  need_tool curl || return 127
+  local arch bin url tmp
+  case "$(uname -m)" in
+  x86_64) arch="amd64" ;;
+  aarch64) arch="arm64" ;;
+  *)
+    msg_error "Unsupported arch for yq: $(uname -m)"
+    return 238
+    ;;
+  esac
+  url="https://github.com/mikefarah/yq/releases/latest/download/yq_linux_${arch}"
+  tmp="$(mktemp)"
+  download_with_progress "$url" "$tmp" || return 250
+  /usr/bin/install -m 0755 "$tmp" /usr/local/bin/yq
+  rm -f "$tmp"
+  msg_ok "Setup yq ($(yq --version 2>/dev/null))"
+}
+
+# ------------------------------
+# Adminer – Alpine
+# ------------------------------
+setup_adminer() {
+  need_tool curl || return 127
+  msg_info "Setup Adminer (Alpine)"
+  mkdir -p /var/www/localhost/htdocs/adminer
+  curl -fsSL https://github.com/vrana/adminer/releases/latest/download/adminer.php \
+    -o /var/www/localhost/htdocs/adminer/index.php || {
+    msg_error "Adminer download failed"
+    return 250
+  }
+  msg_ok "Adminer at /adminer (served by your webserver)"
+}
+
+# ------------------------------
+# uv – Alpine (musl tarball)
+# optional: PYTHON_VERSION="3.12"
+# ------------------------------
+setup_uv() {
+  need_tool curl tar || return 127
+  local UV_BIN="/usr/local/bin/uv"
+  local arch tarball url tmpd ver installed
+
+  case "$(uname -m)" in
+  x86_64) arch="x86_64-unknown-linux-musl" ;;
+  aarch64) arch="aarch64-unknown-linux-musl" ;;
+  *)
+    msg_error "Unsupported arch for uv: $(uname -m)"
+    return 238
+    ;;
+  esac
+
+  ver="$(curl -fsSL https://api.github.com/repos/astral-sh/uv/releases/latest | jq -r '.tag_name' 2>/dev/null)"
+  ver="${ver#v}"
+  [ -z "$ver" ] && {
+    msg_error "uv: cannot determine latest version"
+    return 250
+  }
+
+  if has "$UV_BIN"; then
+    installed="$($UV_BIN -V 2>/dev/null | awk '{print $2}')"
+    [ "$installed" = "$ver" ] && {
+      msg_ok "uv $ver already installed"
+      return 0
+    }
+    msg_info "Updating uv $installed → $ver"
+  else
+    msg_info "Setup uv $ver"
+  fi
+
+  tmpd="$(mktemp -d)" || return 252
+  tarball="uv-${arch}.tar.gz"
+  url="https://github.com/astral-sh/uv/releases/download/v${ver}/${tarball}"
+
+  download_with_progress "$url" "$tmpd/uv.tar.gz" || {
+    rm -rf "$tmpd"
+    return 250
+  }
+  tar -xzf "$tmpd/uv.tar.gz" -C "$tmpd" || {
+    msg_error "uv: extract failed"
+    rm -rf "$tmpd"
+    return 251
+  }
+
+  # tar contains ./uv
+  if [ -x "$tmpd/uv" ]; then
+    /usr/bin/install -m 0755 "$tmpd/uv" "$UV_BIN"
+  else
+    # fallback: in subfolder
+    /usr/bin/install -m 0755 "$tmpd"/*/uv "$UV_BIN" 2>/dev/null || {
+      msg_error "uv binary not found in tar"
+      rm -rf "$tmpd"
+      return 252
+    }
+  fi
+  rm -rf "$tmpd"
+  ensure_usr_local_bin_persist
+  msg_ok "Setup uv $ver"
+
+  if [ -n "${PYTHON_VERSION:-}" ]; then
+    local match
+    match="$(uv python list --only-downloads 2>/dev/null | awk -v maj="$PYTHON_VERSION" '
+      $0 ~ "^cpython-"maj"\\." { print $0 }' | awk -F- '{print $2}' | sort -V | tail -n1)"
+    [ -z "$match" ] && {
+      msg_error "No matching Python for $PYTHON_VERSION"
+      return 250
+    }
+    if ! uv python list | grep -q "cpython-${match}-linux"; then
+      msg_info "Installing Python $match via uv"
+      uv python install "$match" || {
+        msg_error "uv python install failed"
+        return 150
+      }
+      msg_ok "Python $match installed (uv)"
+    fi
+  fi
+}
+
+# ------------------------------
+# Java – Alpine (OpenJDK)
+# JAVA_VERSION: 17|21 (Default 21)
+# ------------------------------
+setup_java() {
+  local JAVA_VERSION="${JAVA_VERSION:-21}" pkg
+  case "$JAVA_VERSION" in
+  17) pkg="openjdk17-jdk" ;;
+  21 | *) pkg="openjdk21-jdk" ;;
+  esac
+  msg_info "Setup Java (OpenJDK $JAVA_VERSION)"
+  apk add --no-cache "$pkg" >/dev/null 2>&1 || {
+    msg_error "apk add $pkg failed"
+    return 100
+  }
+  # set JAVA_HOME
+  local prof="/etc/profile.d/20-java.sh"
+  if [ ! -f "$prof" ]; then
+    echo 'export JAVA_HOME=$(dirname $(dirname $(readlink -f $(command -v java))))' >"$prof"
+    echo 'case ":$PATH:" in *:$JAVA_HOME/bin:*) ;; *) export PATH="$JAVA_HOME/bin:$PATH";; esac' >>"$prof"
+    chmod +x "$prof"
+  fi
+  msg_ok "Java ready: $(java -version 2>&1 | head -n1)"
+}
+
+# ------------------------------
+# Go – Alpine (apk prefers, else tarball)
+# ------------------------------
+setup_go() {
+  if [ -z "${GO_VERSION:-}" ]; then
+    msg_info "Setup Go (apk)"
+    apk add --no-cache go >/dev/null 2>&1 || {
+      msg_error "apk add go failed"
+      return 100
+    }
+    msg_ok "Go ready: $(go version 2>/dev/null)"
+    return 0
+  fi
+
+  need_tool curl tar || return 127
+  local ARCH TARBALL URL TMP
+  case "$(uname -m)" in
+  x86_64) ARCH="amd64" ;;
+  aarch64) ARCH="arm64" ;;
+  *)
+    msg_error "Unsupported arch for Go: $(uname -m)"
+    return 238
+    ;;
+  esac
+  TARBALL="go${GO_VERSION}.linux-${ARCH}.tar.gz"
+  URL="https://go.dev/dl/${TARBALL}"
+  msg_info "Setup Go $GO_VERSION (tarball)"
+  TMP="$(mktemp)"
+  download_with_progress "$URL" "$TMP" || return 250
+  rm -rf /usr/local/go
+  tar -C /usr/local -xzf "$TMP" || {
+    msg_error "extract go failed"
+    rm -f "$TMP"
+    return 251
+  }
+  rm -f "$TMP"
+  ln -sf /usr/local/go/bin/go /usr/local/bin/go
+  ln -sf /usr/local/go/bin/gofmt /usr/local/bin/gofmt
+  ensure_usr_local_bin_persist
+  msg_ok "Go ready: $(go version 2>/dev/null)"
+}
+
+# ------------------------------
+# Composer – Alpine
+# uses php83-cli + openssl + phar
+# ------------------------------
+setup_composer() {
+  local COMPOSER_BIN="/usr/local/bin/composer"
+  if ! has php; then
+    # prefers php83
+    msg_info "Installing PHP CLI for Composer"
+    apk add --no-cache php83-cli php83-openssl php83-phar php83-iconv >/dev/null 2>&1 || {
+      # Fallback to generic php if 83 not available
+      apk add --no-cache php-cli php-openssl php-phar php-iconv >/dev/null 2>&1 || {
+        msg_error "Failed to install php-cli for composer"
+        return 100
+      }
+    }
+    msg_ok "PHP CLI ready: $(php -v | head -n1)"
+  fi
+
+  if [ -x "$COMPOSER_BIN" ]; then
+    msg_info "Updating Composer"
+  else
+    msg_info "Setup Composer"
+  fi
+
+  need_tool curl || return 127
+  curl -fsSL https://getcomposer.org/installer -o /tmp/composer-setup.php || {
+    msg_error "composer installer download failed"
+    return 250
+  }
+  php /tmp/composer-setup.php --install-dir=/usr/local/bin --filename=composer >/dev/null 2>&1 || {
+    msg_error "composer install failed"
+    return 150
+  }
+  rm -f /tmp/composer-setup.php
+  ensure_usr_local_bin_persist
+  msg_ok "Composer ready: $(composer --version 2>/dev/null)"
+}

misc/cloud-init.func

@@ -0,0 +1,708 @@
+#!/usr/bin/env bash
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: community-scripts ORG
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/branch/main/LICENSE
+# Revision: 1
+
+# ==============================================================================
+# CLOUD-INIT.FUNC - VM CLOUD-INIT CONFIGURATION LIBRARY
+# ==============================================================================
+#
+# Universal helper library for Cloud-Init configuration in Proxmox VMs.
+# Provides functions for:
+#
+#   - Native Proxmox Cloud-Init setup (user, password, network, SSH keys)
+#   - Interactive configuration dialogs (whiptail)
+#   - IP address retrieval via qemu-guest-agent
+#   - Cloud-Init status monitoring and waiting
+#
+# Usage:
+#   source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/cloud-init.func)
+#   setup_cloud_init "$VMID" "$STORAGE" "$HN" "yes"
+#
+# Compatible with: Debian, Ubuntu, and all Cloud-Init enabled distributions
+# ==============================================================================
+
+# ==============================================================================
+# SECTION 1: CONFIGURATION DEFAULTS
+# ==============================================================================
+# These can be overridden before sourcing this library
+
+# Disable 'unbound variable' errors for this library (restored at end)
+_OLD_SET_STATE=$(set +o | grep -E 'set -(e|u|o)')
+set +u
+
+CLOUDINIT_DEFAULT_USER="${CLOUDINIT_DEFAULT_USER:-root}"
+CLOUDINIT_DNS_SERVERS="${CLOUDINIT_DNS_SERVERS:-1.1.1.1 8.8.8.8}"
+CLOUDINIT_SEARCH_DOMAIN="${CLOUDINIT_SEARCH_DOMAIN:-local}"
+CLOUDINIT_SSH_KEYS="${CLOUDINIT_SSH_KEYS:-}" # Empty by default - user must explicitly provide keys
+
+# ==============================================================================
+# SECTION 2: SSH KEY DISCOVERY AND SELECTION
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# _ci_ssh_extract_keys_from_file - Extracts valid SSH public keys from a file
+# ------------------------------------------------------------------------------
+function _ci_ssh_extract_keys_from_file() {
+  local file="$1"
+  [[ -f "$file" && -r "$file" ]] || return 0
+  grep -E '^(ssh-(rsa|ed25519|dss|ecdsa)|ecdsa-sha2-)' "$file" 2>/dev/null || true
+}
+
+# ------------------------------------------------------------------------------
+# _ci_ssh_discover_files - Scans standard paths for SSH keys
+# ------------------------------------------------------------------------------
+function _ci_ssh_discover_files() {
+  local -a cand=()
+  shopt -s nullglob
+  cand+=(/root/.ssh/authorized_keys /root/.ssh/authorized_keys2)
+  cand+=(/root/.ssh/*.pub)
+  cand+=(/etc/ssh/authorized_keys /etc/ssh/authorized_keys.d/*)
+  shopt -u nullglob
+  printf '%s\0' "${cand[@]}"
+}
+
+# ------------------------------------------------------------------------------
+# _ci_ssh_build_choices - Builds whiptail checklist from SSH key files
+#
+# Sets: CI_SSH_CHOICES (array), CI_SSH_COUNT (int), CI_SSH_MAPFILE (path)
+# ------------------------------------------------------------------------------
+function _ci_ssh_build_choices() {
+  local -a files=("$@")
+  CI_SSH_CHOICES=()
+  CI_SSH_COUNT=0
+  CI_SSH_MAPFILE="$(mktemp)"
+  local id key typ fp cmt base
+
+  for f in "${files[@]}"; do
+    [[ -f "$f" && -r "$f" ]] || continue
+    base="$(basename -- "$f")"
+    # Skip known_hosts and private keys
+    case "$base" in
+    known_hosts | known_hosts.* | config) continue ;;
+    id_*) [[ "$f" != *.pub ]] && continue ;;
+    esac
+
+    while IFS= read -r key; do
+      [[ -n "$key" ]] || continue
+
+      typ=""
+      fp=""
+      cmt=""
+      read -r _typ _b64 _cmt <<<"$key"
+      typ="${_typ:-key}"
+      cmt="${_cmt:-}"
+
+      # Get fingerprint via ssh-keygen if available
+      if command -v ssh-keygen >/dev/null 2>&1; then
+        fp="$(printf '%s\n' "$key" | ssh-keygen -lf - 2>/dev/null | awk '{print $2}')"
+      fi
+
+      # Shorten long comments
+      [[ ${#cmt} -gt 40 ]] && cmt="${cmt:0:37}..."
+
+      CI_SSH_COUNT=$((CI_SSH_COUNT + 1))
+      id="K${CI_SSH_COUNT}"
+      echo "${id}|${key}" >>"$CI_SSH_MAPFILE"
+      CI_SSH_CHOICES+=("$id" "[$typ] ${fp:+$fp }${cmt:+$cmt }— ${base}" "OFF")
+    done < <(_ci_ssh_extract_keys_from_file "$f")
+  done
+}
+
+# ------------------------------------------------------------------------------
+# configure_cloudinit_ssh_keys - Interactive SSH key selection for Cloud-Init
+#
+# Usage: configure_cloudinit_ssh_keys
+# Sets: CLOUDINIT_SSH_KEYS (path to temporary file with selected keys)
+# ------------------------------------------------------------------------------
+function configure_cloudinit_ssh_keys() {
+  local backtitle="Proxmox VE Helper Scripts"
+  local ssh_key_mode
+
+  # Create temp file for selected keys
+  CLOUDINIT_SSH_KEYS_TEMP="$(mktemp)"
+  : >"$CLOUDINIT_SSH_KEYS_TEMP"
+
+  # Discover keys and build choices
+  IFS=$'\0' read -r -d '' -a _def_files < <(_ci_ssh_discover_files && printf '\0')
+  _ci_ssh_build_choices "${_def_files[@]}"
+  local default_key_count="$CI_SSH_COUNT"
+
+  if [[ "$default_key_count" -gt 0 ]]; then
+    ssh_key_mode=$(whiptail --backtitle "$backtitle" --title "SSH KEY SOURCE" --menu \
+      "Provision SSH keys for Cloud-Init VM:" 14 72 4 \
+      "found" "Select from detected keys (${default_key_count})" \
+      "manual" "Paste a single public key" \
+      "folder" "Scan another folder (path or glob)" \
+      "none" "No SSH keys (password auth only)" 3>&1 1>&2 2>&3) || return 1
+  else
+    ssh_key_mode=$(whiptail --backtitle "$backtitle" --title "SSH KEY SOURCE" --menu \
+      "No host keys detected. Choose:" 12 72 3 \
+      "manual" "Paste a single public key" \
+      "folder" "Scan another folder (path or glob)" \
+      "none" "No SSH keys (password auth only)" 3>&1 1>&2 2>&3) || return 1
+  fi
+
+  case "$ssh_key_mode" in
+  found)
+    # Show checklist with individual keys
+    local selection
+    selection=$(whiptail --backtitle "$backtitle" --title "SELECT SSH KEYS" \
+      --checklist "Select one or more keys to import:" 20 140 10 "${CI_SSH_CHOICES[@]}" 3>&1 1>&2 2>&3) || return 1
+
+    for tag in $selection; do
+      tag="${tag%\"}"
+      tag="${tag#\"}"
+      local line
+      line=$(grep -E "^${tag}\|" "$CI_SSH_MAPFILE" | head -n1 | cut -d'|' -f2-)
+      [[ -n "$line" ]] && printf '%s\n' "$line" >>"$CLOUDINIT_SSH_KEYS_TEMP"
+    done
+    local imported
+    imported=$(wc -l <"$CLOUDINIT_SSH_KEYS_TEMP")
+    echo -e "${ROOTSSH:-  🔑  }${BOLD}${DGN}SSH Keys: ${BGN}${imported} key(s) selected${CL}"
+    ;;
+  manual)
+    local pubkey
+    pubkey=$(whiptail --backtitle "$backtitle" --title "PASTE SSH PUBLIC KEY" \
+      --inputbox "Paste your SSH public key (ssh-rsa, ssh-ed25519, etc.):" 10 76 3>&1 1>&2 2>&3) || return 1
+    if [[ -n "$pubkey" ]]; then
+      echo "$pubkey" >"$CLOUDINIT_SSH_KEYS_TEMP"
+      echo -e "${ROOTSSH:-  🔑  }${BOLD}${DGN}SSH Keys: ${BGN}1 key added manually${CL}"
+    else
+      echo -e "${ROOTSSH:-  🔑  }${BOLD}${DGN}SSH Keys: ${BGN}none (empty input)${CL}"
+      CLOUDINIT_SSH_KEYS=""
+      rm -f "$CLOUDINIT_SSH_KEYS_TEMP" "$CI_SSH_MAPFILE" 2>/dev/null
+      return 0
+    fi
+    ;;
+  folder)
+    local glob_path
+    glob_path=$(whiptail --backtitle "$backtitle" --title "SCAN FOLDER/GLOB" \
+      --inputbox "Enter a folder or glob to scan (e.g. /root/.ssh/*.pub):" 10 72 3>&1 1>&2 2>&3) || return 1
+    if [[ -n "$glob_path" ]]; then
+      shopt -s nullglob
+      local -a _scan_files=($glob_path)
+      shopt -u nullglob
+      if [[ "${#_scan_files[@]}" -gt 0 ]]; then
+        _ci_ssh_build_choices "${_scan_files[@]}"
+        if [[ "$CI_SSH_COUNT" -gt 0 ]]; then
+          local folder_selection
+          folder_selection=$(whiptail --backtitle "$backtitle" --title "SELECT FOLDER KEYS" \
+            --checklist "Select key(s) to import:" 20 140 10 "${CI_SSH_CHOICES[@]}" 3>&1 1>&2 2>&3) || return 1
+          for tag in $folder_selection; do
+            tag="${tag%\"}"
+            tag="${tag#\"}"
+            local line
+            line=$(grep -E "^${tag}\|" "$CI_SSH_MAPFILE" | head -n1 | cut -d'|' -f2-)
+            [[ -n "$line" ]] && printf '%s\n' "$line" >>"$CLOUDINIT_SSH_KEYS_TEMP"
+          done
+          local imported
+          imported=$(wc -l <"$CLOUDINIT_SSH_KEYS_TEMP")
+          echo -e "${ROOTSSH:-  🔑  }${BOLD}${DGN}SSH Keys: ${BGN}${imported} key(s) from folder${CL}"
+        else
+          whiptail --backtitle "$backtitle" --msgbox "No keys found in: $glob_path" 8 60
+        fi
+      else
+        whiptail --backtitle "$backtitle" --msgbox "Path/glob returned no files." 8 60
+      fi
+    fi
+    ;;
+  none | *)
+    echo -e "${ROOTSSH:-  🔑  }${BOLD}${DGN}SSH Keys: ${BGN}none (password auth only)${CL}"
+    CLOUDINIT_SSH_KEYS=""
+    rm -f "$CLOUDINIT_SSH_KEYS_TEMP" "$CI_SSH_MAPFILE" 2>/dev/null
+    return 0
+    ;;
+  esac
+
+  # Cleanup mapfile
+  rm -f "$CI_SSH_MAPFILE" 2>/dev/null
+
+  # Set the variable for setup_cloud_init to use
+  if [[ -s "$CLOUDINIT_SSH_KEYS_TEMP" ]]; then
+    CLOUDINIT_SSH_KEYS="$CLOUDINIT_SSH_KEYS_TEMP"
+  else
+    CLOUDINIT_SSH_KEYS=""
+    rm -f "$CLOUDINIT_SSH_KEYS_TEMP"
+  fi
+
+  return 0
+}
+
+# ==============================================================================
+# SECTION 3: HELPER FUNCTIONS
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# _ci_msg - Internal message helper with fallback
+# ------------------------------------------------------------------------------
+function _ci_msg_info() { msg_info "$1" 2>/dev/null || echo "[INFO] $1"; }
+function _ci_msg_ok() { msg_ok "$1" 2>/dev/null || echo "[OK] $1"; }
+function _ci_msg_warn() { msg_warn "$1" 2>/dev/null || echo "[WARN] $1"; }
+function _ci_msg_error() { msg_error "$1" 2>/dev/null || echo "[ERROR] $1"; }
+
+# ------------------------------------------------------------------------------
+# validate_ip_cidr - Validate IP address in CIDR format
+# Usage: validate_ip_cidr "192.168.1.100/24" && echo "Valid"
+# Returns: 0 if valid, 1 if invalid
+# ------------------------------------------------------------------------------
+function validate_ip_cidr() {
+  local ip_cidr="$1"
+  # Match: 0-255.0-255.0-255.0-255/0-32
+  if [[ "$ip_cidr" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}/([0-9]|[1-2][0-9]|3[0-2])$ ]]; then
+    # Validate each octet is 0-255
+    local ip="${ip_cidr%/*}"
+    IFS='.' read -ra octets <<<"$ip"
+    for octet in "${octets[@]}"; do
+      ((octet > 255)) && return 1
+    done
+    return 0
+  fi
+  return 1
+}
+
+# ------------------------------------------------------------------------------
+# validate_ip - Validate plain IP address (no CIDR)
+# Usage: validate_ip "192.168.1.1" && echo "Valid"
+# ------------------------------------------------------------------------------
+function validate_ip() {
+  local ip="$1"
+  if [[ "$ip" =~ ^([0-9]{1,3}\.){3}[0-9]{1,3}$ ]]; then
+    IFS='.' read -ra octets <<<"$ip"
+    for octet in "${octets[@]}"; do
+      ((octet > 255)) && return 1
+    done
+    return 0
+  fi
+  return 1
+}
+
+# ==============================================================================
+# SECTION 3: MAIN CLOUD-INIT FUNCTIONS
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# setup_cloud_init - Configures Proxmox Native Cloud-Init
+# ------------------------------------------------------------------------------
+# Parameters:
+#   $1 - VMID (required)
+#   $2 - Storage name (required)
+#   $3 - Hostname (optional, default: vm-<vmid>)
+#   $4 - Enable Cloud-Init (yes/no, default: no)
+#   $5 - User (optional, default: root)
+#   $6 - Network mode (dhcp/static, default: dhcp)
+#   $7 - Static IP (optional, format: 192.168.1.100/24)
+#   $8 - Gateway (optional)
+#   $9 - Nameservers (optional, default: 1.1.1.1 8.8.8.8)
+#
+# Returns: 0 on success, 1 on failure
+# Exports: CLOUDINIT_USER, CLOUDINIT_PASSWORD, CLOUDINIT_CRED_FILE
+# ==============================================================================
+function setup_cloud_init() {
+  local vmid="$1"
+  local storage="$2"
+  local hostname="${3:-vm-${vmid}}"
+  local enable="${4:-no}"
+  local ciuser="${5:-$CLOUDINIT_DEFAULT_USER}"
+  local network_mode="${6:-dhcp}"
+  local static_ip="${7:-}"
+  local gateway="${8:-}"
+  local nameservers="${9:-$CLOUDINIT_DNS_SERVERS}"
+
+  # Skip if not enabled
+  if [ "$enable" != "yes" ]; then
+    return 0
+  fi
+
+  # Validate static IP if provided
+  if [ "$network_mode" = "static" ]; then
+    if [ -n "$static_ip" ] && ! validate_ip_cidr "$static_ip"; then
+      _ci_msg_error "Invalid static IP format: $static_ip (expected: x.x.x.x/xx)"
+      return 65
+    fi
+    if [ -n "$gateway" ] && ! validate_ip "$gateway"; then
+      _ci_msg_error "Invalid gateway IP format: $gateway"
+      return 65
+    fi
+  fi
+
+  _ci_msg_info "Configuring Cloud-Init"
+
+  # Create Cloud-Init drive (try ide2 first, then scsi1 as fallback)
+  if ! qm set "$vmid" --ide2 "${storage}:cloudinit" >/dev/null 2>&1; then
+    qm set "$vmid" --scsi1 "${storage}:cloudinit" >/dev/null 2>&1
+  fi
+
+  # Set user
+  qm set "$vmid" --ciuser "$ciuser" >/dev/null
+
+  # Generate and set secure random password
+  local cipassword=$(openssl rand -base64 16)
+  qm set "$vmid" --cipassword "$cipassword" >/dev/null
+
+  # Add SSH keys only if explicitly provided (not auto-imported from host)
+  if [ -n "${CLOUDINIT_SSH_KEYS:-}" ] && [ -f "$CLOUDINIT_SSH_KEYS" ]; then
+    qm set "$vmid" --sshkeys "$CLOUDINIT_SSH_KEYS" >/dev/null 2>&1 || true
+    _ci_msg_info "SSH keys imported from: $CLOUDINIT_SSH_KEYS"
+  fi
+
+  # Configure network
+  if [ "$network_mode" = "static" ] && [ -n "$static_ip" ] && [ -n "$gateway" ]; then
+    qm set "$vmid" --ipconfig0 "ip=${static_ip},gw=${gateway}" >/dev/null
+  else
+    qm set "$vmid" --ipconfig0 "ip=dhcp" >/dev/null
+  fi
+
+  # Set DNS servers
+  qm set "$vmid" --nameserver "$nameservers" >/dev/null
+
+  # Set search domain
+  qm set "$vmid" --searchdomain "$CLOUDINIT_SEARCH_DOMAIN" >/dev/null
+
+  # Enable package upgrades on first boot (if supported by Proxmox version)
+  qm set "$vmid" --ciupgrade 1 >/dev/null 2>&1 || true
+
+  # Save credentials to file (with restrictive permissions)
+  local cred_file="/tmp/${hostname}-${vmid}-cloud-init-credentials.txt"
+  umask 077
+  cat >"$cred_file" <<EOF
+╔══════════════════════════════════════════════════════════════════╗
+║  ⚠️  SECURITY WARNING: DELETE THIS FILE AFTER NOTING CREDENTIALS  ║
+╚══════════════════════════════════════════════════════════════════╝
+
+Cloud-Init Credentials
+────────────────────────────────────────
+VM ID:    ${vmid}
+Hostname: ${hostname}
+Created:  $(date)
+
+Username: ${ciuser}
+Password: ${cipassword}
+
+Network:  ${network_mode}$([ "$network_mode" = "static" ] && echo " (IP: ${static_ip}, GW: ${gateway})" || echo " (DHCP)")
+DNS:      ${nameservers}
+
+────────────────────────────────────────
+SSH Access (if keys configured):
+  ssh ${ciuser}@<vm-ip>
+
+Proxmox UI Configuration:
+  VM ${vmid} > Cloud-Init > Edit
+  - User, Password, SSH Keys
+  - Network (IP Config)
+  - DNS, Search Domain
+
+────────────────────────────────────────
+🗑️  To delete this file:
+  rm -f ${cred_file}
+────────────────────────────────────────
+EOF
+  chmod 600 "$cred_file"
+
+  _ci_msg_ok "Cloud-Init configured (User: ${ciuser})"
+
+  # Export for use in calling script (DO NOT display password here - will be shown in summary)
+  export CLOUDINIT_USER="$ciuser"
+  export CLOUDINIT_PASSWORD="$cipassword"
+  export CLOUDINIT_CRED_FILE="$cred_file"
+
+  return 0
+}
+
+# ==============================================================================
+# SECTION 4: INTERACTIVE CONFIGURATION
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# configure_cloud_init_interactive - Whiptail dialog for Cloud-Init setup
+# ------------------------------------------------------------------------------
+# Prompts user for Cloud-Init configuration choices
+# Returns configuration via exported variables:
+#   - CLOUDINIT_ENABLE (yes/no)
+#   - CLOUDINIT_USER
+#   - CLOUDINIT_NETWORK_MODE (dhcp/static)
+#   - CLOUDINIT_IP (if static)
+#   - CLOUDINIT_GW (if static)
+#   - CLOUDINIT_DNS
+# ------------------------------------------------------------------------------
+function configure_cloud_init_interactive() {
+  local default_user="${1:-root}"
+
+  # Check if whiptail is available
+  if ! command -v whiptail >/dev/null 2>&1; then
+    echo "Warning: whiptail not available, skipping interactive configuration"
+    export CLOUDINIT_ENABLE="no"
+    return 127
+  fi
+
+  # Ask if user wants to enable Cloud-Init
+  if ! (whiptail --backtitle "Proxmox VE Helper Scripts" --title "CLOUD-INIT" \
+    --yesno "Enable Cloud-Init for VM configuration?\n\nCloud-Init allows automatic configuration of:\n• User accounts and passwords\n• SSH keys\n• Network settings (DHCP/Static)\n• DNS configuration\n\nYou can also configure these settings later in Proxmox UI." 16 68); then
+    export CLOUDINIT_ENABLE="no"
+    return 0
+  fi
+
+  export CLOUDINIT_ENABLE="yes"
+
+  # Username
+  if CLOUDINIT_USER=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox \
+    "Cloud-Init Username" 8 58 "$default_user" --title "USERNAME" 3>&1 1>&2 2>&3); then
+    export CLOUDINIT_USER="${CLOUDINIT_USER:-$default_user}"
+  else
+    export CLOUDINIT_USER="$default_user"
+  fi
+
+  # Network configuration
+  if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "NETWORK MODE" \
+    --yesno "Use DHCP for network configuration?\n\nSelect 'No' for static IP configuration." 10 58); then
+    export CLOUDINIT_NETWORK_MODE="dhcp"
+  else
+    export CLOUDINIT_NETWORK_MODE="static"
+
+    # Static IP with validation
+    while true; do
+      if CLOUDINIT_IP=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox \
+        "Static IP Address (CIDR format)\nExample: 192.168.1.100/24" 9 58 "" --title "IP ADDRESS" 3>&1 1>&2 2>&3); then
+        if validate_ip_cidr "$CLOUDINIT_IP"; then
+          export CLOUDINIT_IP
+          break
+        else
+          whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID IP" \
+            --msgbox "Invalid IP format: $CLOUDINIT_IP\n\nPlease use CIDR format: x.x.x.x/xx\nExample: 192.168.1.100/24" 10 50
+        fi
+      else
+        _ci_msg_warn "Static IP required, falling back to DHCP"
+        export CLOUDINIT_NETWORK_MODE="dhcp"
+        break
+      fi
+    done
+
+    # Gateway with validation
+    if [ "$CLOUDINIT_NETWORK_MODE" = "static" ]; then
+      while true; do
+        if CLOUDINIT_GW=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox \
+          "Gateway IP Address\nExample: 192.168.1.1" 8 58 "" --title "GATEWAY" 3>&1 1>&2 2>&3); then
+          if validate_ip "$CLOUDINIT_GW"; then
+            export CLOUDINIT_GW
+            break
+          else
+            whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID GATEWAY" \
+              --msgbox "Invalid gateway format: $CLOUDINIT_GW\n\nPlease use format: x.x.x.x\nExample: 192.168.1.1" 10 50
+          fi
+        else
+          _ci_msg_warn "Gateway required, falling back to DHCP"
+          export CLOUDINIT_NETWORK_MODE="dhcp"
+          break
+        fi
+      done
+    fi
+  fi
+
+  # DNS Servers
+  if CLOUDINIT_DNS=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox \
+    "DNS Servers (space-separated)" 8 58 "1.1.1.1 8.8.8.8" --title "DNS SERVERS" 3>&1 1>&2 2>&3); then
+    export CLOUDINIT_DNS="${CLOUDINIT_DNS:-1.1.1.1 8.8.8.8}"
+  else
+    export CLOUDINIT_DNS="1.1.1.1 8.8.8.8"
+  fi
+
+  return 0
+}
+
+# ==============================================================================
+# SECTION 5: UTILITY FUNCTIONS
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# display_cloud_init_info - Show Cloud-Init summary after setup
+# ------------------------------------------------------------------------------
+function display_cloud_init_info() {
+  local vmid="$1"
+  local hostname="${2:-}"
+
+  if [ -n "$CLOUDINIT_CRED_FILE" ] && [ -f "$CLOUDINIT_CRED_FILE" ]; then
+    if [ -n "${INFO:-}" ]; then
+      echo -e "\n${INFO}${BOLD:-}${GN:-} Cloud-Init Configuration:${CL:-}"
+      echo -e "${TAB:-  }${DGN:-}User: ${BGN:-}${CLOUDINIT_USER:-root}${CL:-}"
+      echo -e "${TAB:-  }${DGN:-}Password: ${BGN:-}${CLOUDINIT_PASSWORD}${CL:-}"
+      echo -e "${TAB:-  }${DGN:-}Credentials: ${BL:-}${CLOUDINIT_CRED_FILE}${CL:-}"
+      echo -e "${TAB:-  }${RD:-}⚠️  Delete credentials file after noting password!${CL:-}"
+      echo -e "${TAB:-  }${YW:-}💡 Configure in Proxmox UI: VM ${vmid} > Cloud-Init${CL:-}"
+    else
+      echo ""
+      echo "[INFO] Cloud-Init Configuration:"
+      echo "  User: ${CLOUDINIT_USER:-root}"
+      echo "  Password: ${CLOUDINIT_PASSWORD}"
+      echo "  Credentials: ${CLOUDINIT_CRED_FILE}"
+      echo "  ⚠️  Delete credentials file after noting password!"
+      echo "  Configure in Proxmox UI: VM ${vmid} > Cloud-Init"
+    fi
+  fi
+}
+
+# ------------------------------------------------------------------------------
+# cleanup_cloud_init_credentials - Remove credentials file
+# ------------------------------------------------------------------------------
+# Usage: cleanup_cloud_init_credentials
+# Call this after user has noted/saved the credentials
+# ------------------------------------------------------------------------------
+function cleanup_cloud_init_credentials() {
+  if [ -n "$CLOUDINIT_CRED_FILE" ] && [ -f "$CLOUDINIT_CRED_FILE" ]; then
+    rm -f "$CLOUDINIT_CRED_FILE"
+    _ci_msg_ok "Credentials file removed: $CLOUDINIT_CRED_FILE"
+    unset CLOUDINIT_CRED_FILE
+    return 0
+  fi
+  return 1
+}
+
+# ------------------------------------------------------------------------------
+# has_cloud_init - Check if VM has Cloud-Init configured
+# ------------------------------------------------------------------------------
+function has_cloud_init() {
+  local vmid="$1"
+  qm config "$vmid" 2>/dev/null | grep -qE "(ide2|scsi1):.*cloudinit"
+}
+
+# ------------------------------------------------------------------------------
+# regenerate_cloud_init - Regenerate Cloud-Init configuration
+# ------------------------------------------------------------------------------
+function regenerate_cloud_init() {
+  local vmid="$1"
+
+  if has_cloud_init "$vmid"; then
+    _ci_msg_info "Regenerating Cloud-Init configuration"
+    qm cloudinit update "$vmid" >/dev/null 2>&1 || true
+    _ci_msg_ok "Cloud-Init configuration regenerated"
+    return 0
+  else
+    _ci_msg_warn "VM $vmid does not have Cloud-Init configured"
+    return 1
+  fi
+}
+
+# ------------------------------------------------------------------------------
+# get_vm_ip - Get VM IP address via qemu-guest-agent
+# ------------------------------------------------------------------------------
+function get_vm_ip() {
+  local vmid="$1"
+  local timeout="${2:-30}"
+
+  local elapsed=0
+  while [ $elapsed -lt $timeout ]; do
+    local vm_ip=$(qm guest cmd "$vmid" network-get-interfaces 2>/dev/null |
+      jq -r '.[] | select(.name != "lo") | ."ip-addresses"[]? | select(."ip-address-type" == "ipv4") | ."ip-address"' 2>/dev/null | head -1)
+
+    if [ -n "$vm_ip" ]; then
+      echo "$vm_ip"
+      return 0
+    fi
+
+    sleep 2
+    elapsed=$((elapsed + 2))
+  done
+
+  return 7
+}
+
+# ------------------------------------------------------------------------------
+# wait_for_cloud_init - Wait for Cloud-Init to complete (requires SSH access)
+# ------------------------------------------------------------------------------
+function wait_for_cloud_init() {
+  local vmid="$1"
+  local timeout="${2:-300}"
+  local vm_ip="${3:-}"
+
+  # Get IP if not provided
+  if [ -z "$vm_ip" ]; then
+    vm_ip=$(get_vm_ip "$vmid" 60)
+  fi
+
+  if [ -z "$vm_ip" ]; then
+    _ci_msg_warn "Unable to determine VM IP address"
+    return 7
+  fi
+
+  _ci_msg_info "Waiting for Cloud-Init to complete on ${vm_ip}"
+
+  local elapsed=0
+  while [ $elapsed -lt $timeout ]; do
+    if timeout 10 ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
+      "${CLOUDINIT_USER:-root}@${vm_ip}" "cloud-init status --wait" 2>/dev/null; then
+      _ci_msg_ok "Cloud-Init completed successfully"
+      return 0
+    fi
+    sleep 10
+    elapsed=$((elapsed + 10))
+  done
+
+  _ci_msg_warn "Cloud-Init did not complete within ${timeout}s"
+  return 150
+}
+
+# ==============================================================================
+# SECTION 6: EXPORTS
+# ==============================================================================
+# Export all functions for use in other scripts
+
+export -f setup_cloud_init 2>/dev/null || true
+export -f configure_cloud_init_interactive 2>/dev/null || true
+export -f display_cloud_init_info 2>/dev/null || true
+export -f cleanup_cloud_init_credentials 2>/dev/null || true
+export -f has_cloud_init 2>/dev/null || true
+export -f regenerate_cloud_init 2>/dev/null || true
+export -f get_vm_ip 2>/dev/null || true
+export -f wait_for_cloud_init 2>/dev/null || true
+export -f validate_ip_cidr 2>/dev/null || true
+export -f validate_ip 2>/dev/null || true
+
+# Restore previous shell options if they were saved
+if [ -n "${_OLD_SET_STATE:-}" ]; then
+  eval "$_OLD_SET_STATE"
+fi
+
+# ==============================================================================
+# SECTION 7: EXAMPLES & DOCUMENTATION
+# ==============================================================================
+: <<'EXAMPLES'
+
+# Example 1: Simple DHCP setup (most common)
+setup_cloud_init "$VMID" "$STORAGE" "$HN" "yes"
+
+# Example 2: Static IP setup
+setup_cloud_init "$VMID" "$STORAGE" "myserver" "yes" "root" "static" "192.168.1.100/24" "192.168.1.1"
+
+# Example 3: Interactive configuration in advanced_settings()
+configure_cloud_init_interactive "admin"
+if [ "$CLOUDINIT_ENABLE" = "yes" ]; then
+  setup_cloud_init "$VMID" "$STORAGE" "$HN" "yes" "$CLOUDINIT_USER" \
+    "$CLOUDINIT_NETWORK_MODE" "$CLOUDINIT_IP" "$CLOUDINIT_GW" "$CLOUDINIT_DNS"
+fi
+
+# Example 4: Display info after VM creation
+display_cloud_init_info "$VMID" "$HN"
+
+# Example 5: Check if VM has Cloud-Init
+if has_cloud_init "$VMID"; then
+    echo "Cloud-Init is configured"
+fi
+
+# Example 6: Wait for Cloud-Init to complete after VM start
+if [ "$START_VM" = "yes" ]; then
+    qm start "$VMID"
+    sleep 30
+    wait_for_cloud_init "$VMID" 300
+fi
+
+# Example 7: Cleanup credentials file after user has noted password
+display_cloud_init_info "$VMID" "$HN"
+read -p "Have you saved the credentials? (y/N): " -r
+[[ $REPLY =~ ^[Yy]$ ]] && cleanup_cloud_init_credentials
+
+# Example 8: Validate IP before using
+if validate_ip_cidr "192.168.1.100/24"; then
+  echo "Valid IP/CIDR"
+fi
+
+EXAMPLES

misc/error_handler.func

@@ -0,0 +1,733 @@
+#!/usr/bin/env bash
+# ------------------------------------------------------------------------------
+# ERROR HANDLER - ERROR & SIGNAL MANAGEMENT
+# ------------------------------------------------------------------------------
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: MickLesk (CanbiZ)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+# ------------------------------------------------------------------------------
+#
+# Provides error handling and signal management for all scripts.
+#
+# TELEMETRY CONTRACT:
+#   - HOST context: this file reports terminal statuses via post_update_to_api
+#     (full metadata + focused error trace).
+#   - CONTAINER context: this file NEVER talks to the telemetry API. It writes
+#     two local artifacts that the host picks up after lxc-attach returns:
+#       /root/.install-<SESSION_ID>.failed        → exit code (flag file)
+#       /root/.install-<SESSION_ID>.log.errinfo   → structured error capture
+#     This guarantees the server only ever sees ONE terminal event per
+#     execution - the host's complete one.
+#
+# Usage:
+#   source <(curl -fsSL .../error_handler.func)
+#   catch_errors
+#
+# ------------------------------------------------------------------------------
+
+# ==============================================================================
+# SECTION 1: EXIT CODE EXPLANATIONS (fallback)
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# explain_exit_code()
+#
+# - Canonical version lives in api.func (sourced before this file on the host)
+# - This fallback covers the container context where api.func is not sourced
+# ------------------------------------------------------------------------------
+if ! declare -f explain_exit_code &>/dev/null; then
+  explain_exit_code() {
+    local code="$1"
+    case "$code" in
+    1) echo "General error / Operation not permitted" ;;
+    2) echo "Misuse of shell builtins (e.g. syntax error)" ;;
+    3) echo "General syntax or argument error" ;;
+    10) echo "Docker / privileged mode required (unsupported environment)" ;;
+    4) echo "curl: Feature not supported or protocol error" ;;
+    5) echo "curl: Could not resolve proxy" ;;
+    6) echo "curl: DNS resolution failed (could not resolve host)" ;;
+    7) echo "curl: Failed to connect (network unreachable / host down)" ;;
+    8) echo "curl: Server reply error (FTP/SFTP or apk untrusted key)" ;;
+    16) echo "curl: HTTP/2 framing layer error" ;;
+    18) echo "curl: Partial file (transfer not completed)" ;;
+    22) echo "curl: HTTP error returned (404, 429, 500+)" ;;
+    23) echo "curl: Write error (disk full or permissions)" ;;
+    24) echo "curl: Write to local file failed" ;;
+    25) echo "curl: Upload failed" ;;
+    26) echo "curl: Read error on local file (I/O)" ;;
+    27) echo "curl: Out of memory (memory allocation failed)" ;;
+    28) echo "curl: Operation timeout (network slow or server not responding)" ;;
+    30) echo "curl: FTP port command failed" ;;
+    32) echo "curl: FTP SIZE command failed" ;;
+    33) echo "curl: HTTP range error" ;;
+    34) echo "curl: HTTP post error" ;;
+    35) echo "curl: SSL/TLS handshake failed (certificate error)" ;;
+    36) echo "curl: FTP bad download resume" ;;
+    39) echo "curl: LDAP search failed" ;;
+    44) echo "curl: Internal error (bad function call order)" ;;
+    45) echo "curl: Interface error (failed to bind to specified interface)" ;;
+    46) echo "curl: Bad password entered" ;;
+    47) echo "curl: Too many redirects" ;;
+    48) echo "curl: Unknown command line option specified" ;;
+    51) echo "curl: SSL peer certificate or SSH host key verification failed" ;;
+    52) echo "curl: Empty reply from server (got nothing)" ;;
+    55) echo "curl: Failed sending network data" ;;
+    56) echo "curl: Receive error (connection reset by peer)" ;;
+    57) echo "curl: Unrecoverable poll/select error (system I/O failure)" ;;
+    59) echo "curl: Couldn't use specified SSL cipher" ;;
+    61) echo "curl: Bad/unrecognized transfer encoding" ;;
+    63) echo "curl: Maximum file size exceeded" ;;
+    75) echo "Temporary failure (retry later)" ;;
+    78) echo "curl: Remote file not found (404 on FTP/file)" ;;
+    79) echo "curl: SSH session error (key exchange/auth failed)" ;;
+    92) echo "curl: HTTP/2 stream error (protocol violation)" ;;
+    95) echo "curl: HTTP/3 layer error" ;;
+    64) echo "Usage error (wrong arguments)" ;;
+    65) echo "Data format error (bad input data)" ;;
+    66) echo "Input file not found (cannot open input)" ;;
+    67) echo "User not found (addressee unknown)" ;;
+    68) echo "Host not found (hostname unknown)" ;;
+    69) echo "Service unavailable" ;;
+    70) echo "Internal software error" ;;
+    71) echo "System error (OS-level failure)" ;;
+    72) echo "Critical OS file missing" ;;
+    73) echo "Cannot create output file" ;;
+    74) echo "I/O error" ;;
+    76) echo "Remote protocol error" ;;
+    77) echo "Permission denied" ;;
+    100) echo "APT: Package manager error (broken packages / dependency problems)" ;;
+    101) echo "APT: Configuration error (bad sources.list, malformed config)" ;;
+    102) echo "APT: Lock held by another process (dpkg/apt still running)" ;;
+    103) echo "Validation: Shell is not Bash" ;;
+    104) echo "Validation: Not running as root (or invoked via sudo)" ;;
+    105) echo "Validation: Proxmox VE version not supported" ;;
+    106) echo "Validation: Unsupported architecture (requires amd64 or arm64)" ;;
+    107) echo "Validation: Kernel key parameters unreadable" ;;
+    108) echo "Validation: Kernel key limits exceeded" ;;
+    109) echo "Proxmox: No available container ID after max attempts" ;;
+    110) echo "Proxmox: Failed to apply default.vars" ;;
+    111) echo "Proxmox: App defaults file not available" ;;
+    112) echo "Proxmox: Invalid install menu option" ;;
+    113) echo "LXC: Under-provisioned — user aborted update" ;;
+    114) echo "LXC: Storage too low — user aborted update" ;;
+    115) echo "Download: install.func download failed or incomplete" ;;
+    116) echo "Proxmox: Default bridge vmbr0 not found" ;;
+    117) echo "LXC: Container did not reach running state" ;;
+    118) echo "LXC: No IP assigned to container after timeout" ;;
+    119) echo "Proxmox: No valid storage for rootdir content" ;;
+    120) echo "Proxmox: No valid storage for vztmpl content" ;;
+    121) echo "LXC: Container network not ready (no IP after retries)" ;;
+    122) echo "LXC: No internet connectivity — user declined to continue" ;;
+    123) echo "LXC: Local IP detection failed" ;;
+    124) echo "Command timed out (timeout command)" ;;
+    125) echo "Command failed to start (Docker daemon or execution error)" ;;
+    126) echo "Command invoked cannot execute (permission problem?)" ;;
+    127) echo "Command not found" ;;
+    128) echo "Invalid argument to exit" ;;
+    129) echo "Killed by SIGHUP (terminal closed / hangup)" ;;
+    130) echo "Aborted by user (SIGINT)" ;;
+    131) echo "Killed by SIGQUIT (core dumped)" ;;
+    132) echo "Killed by SIGILL (illegal CPU instruction)" ;;
+    134) echo "Process aborted (SIGABRT - possibly Node.js heap overflow)" ;;
+    137) echo "Killed (SIGKILL / Out of memory?)" ;;
+    139) echo "Segmentation fault (core dumped)" ;;
+    141) echo "Broken pipe (SIGPIPE - output closed prematurely)" ;;
+    143) echo "Terminated (SIGTERM)" ;;
+    144) echo "Killed by signal 16 (SIGUSR1 / SIGSTKFLT)" ;;
+    146) echo "Killed by signal 18 (SIGTSTP)" ;;
+    150) echo "Systemd: Service failed to start" ;;
+    151) echo "Systemd: Service unit not found" ;;
+    152) echo "Permission denied (EACCES)" ;;
+    153) echo "Build/compile failed (make/gcc/cmake)" ;;
+    154) echo "Node.js: Native addon build failed (node-gyp)" ;;
+    160) echo "Python: Virtualenv / uv environment missing or broken" ;;
+    161) echo "Python: Dependency resolution failed" ;;
+    162) echo "Python: Installation aborted (permissions or EXTERNALLY-MANAGED)" ;;
+    170) echo "PostgreSQL: Connection failed (server not running / wrong socket)" ;;
+    171) echo "PostgreSQL: Authentication failed (bad user/password)" ;;
+    172) echo "PostgreSQL: Database does not exist" ;;
+    173) echo "PostgreSQL: Fatal error in query / syntax" ;;
+    180) echo "MySQL/MariaDB: Connection failed (server not running / wrong socket)" ;;
+    181) echo "MySQL/MariaDB: Authentication failed (bad user/password)" ;;
+    182) echo "MySQL/MariaDB: Database does not exist" ;;
+    183) echo "MySQL/MariaDB: Fatal error in query / syntax" ;;
+    190) echo "MongoDB: Connection failed (server not running)" ;;
+    191) echo "MongoDB: Authentication failed (bad user/password)" ;;
+    192) echo "MongoDB: Database not found" ;;
+    193) echo "MongoDB: Fatal query error" ;;
+    200) echo "Proxmox: Failed to create lock file" ;;
+    203) echo "Proxmox: Missing CTID variable" ;;
+    204) echo "Proxmox: Missing PCT_OSTYPE variable" ;;
+    205) echo "Proxmox: Invalid CTID (<100)" ;;
+    206) echo "Proxmox: CTID already in use" ;;
+    207) echo "Proxmox: Password contains unescaped special characters" ;;
+    208) echo "Proxmox: Invalid configuration (DNS/MAC/Network format)" ;;
+    209) echo "Proxmox: Container creation failed" ;;
+    210) echo "Proxmox: Cluster not quorate" ;;
+    211) echo "Proxmox: Timeout waiting for template lock" ;;
+    212) echo "Proxmox: Storage type 'iscsidirect' does not support containers (VMs only)" ;;
+    213) echo "Proxmox: Storage type does not support 'rootdir' content" ;;
+    214) echo "Proxmox: Not enough storage space" ;;
+    215) echo "Proxmox: Container created but not listed (ghost state)" ;;
+    216) echo "Proxmox: RootFS entry missing in config" ;;
+    217) echo "Proxmox: Storage not accessible" ;;
+    218) echo "Proxmox: Template file corrupted or incomplete" ;;
+    219) echo "Proxmox: CephFS does not support containers - use RBD" ;;
+    220) echo "Proxmox: Unable to resolve template path" ;;
+    221) echo "Proxmox: Template file not readable" ;;
+    222) echo "Proxmox: Template download failed" ;;
+    223) echo "Proxmox: Template not available after download" ;;
+    224) echo "Proxmox: PBS storage is for backups only" ;;
+    225) echo "Proxmox: No template available for OS/Version" ;;
+    226) echo "Proxmox: VM disk import or post-creation setup failed" ;;
+    231) echo "Proxmox: LXC stack upgrade failed" ;;
+    232) echo "Tools: Wrong execution environment (run on PVE host, not inside LXC)" ;;
+    233) echo "Tools: Application not installed (update prerequisite missing)" ;;
+    234) echo "Tools: No LXC containers found or available" ;;
+    235) echo "Tools: Backup or restore operation failed" ;;
+    236) echo "Tools: Required hardware not detected" ;;
+    237) echo "Tools: Dependency package installation failed" ;;
+    238) echo "Tools: OS or distribution not supported for this addon" ;;
+    239) echo "npm/Node.js: Unexpected runtime error or dependency failure" ;;
+    243) echo "Node.js: Out of memory (JavaScript heap out of memory)" ;;
+    245) echo "Node.js: Invalid command-line option" ;;
+    246) echo "Node.js: Internal JavaScript Parse Error" ;;
+    247) echo "Node.js: Fatal internal error" ;;
+    248) echo "Node.js: Invalid C++ addon / N-API failure" ;;
+    249) echo "npm/pnpm/yarn: Unknown fatal error" ;;
+    250) echo "App: Download failed or version not determined" ;;
+    251) echo "App: File extraction failed (corrupt or incomplete archive)" ;;
+    252) echo "App: Required file or resource not found" ;;
+    253) echo "App: Data migration required — update aborted" ;;
+    254) echo "App: User declined prompt or input timed out" ;;
+    255) echo "DPKG: Fatal internal error" ;;
+    *) echo "Unknown error" ;;
+    esac
+  }
+fi
+
+# ==============================================================================
+# SECTION 2: CONTEXT DETECTION & CONTAINER ARTIFACTS
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# _is_container_context()
+#
+# - Returns 0 (true) when running INSIDE the LXC container being installed
+# - TELEMETRY_CONTEXT can override the heuristic ("host" / "container");
+#   install.func sets TELEMETRY_CONTEXT=container during bootstrap
+# ------------------------------------------------------------------------------
+_is_container_context() {
+  case "${TELEMETRY_CONTEXT:-}" in
+  container) return 0 ;;
+  host) return 1 ;;
+  esac
+  # Proxmox/Incus tooling exists only on the host
+  command -v pveversion &>/dev/null && return 1
+  command -v pct &>/dev/null && return 1
+  command -v incus &>/dev/null && return 1
+  # systemd-detect-virt reports lxc inside containers
+  if command -v systemd-detect-virt &>/dev/null; then
+    case "$(systemd-detect-virt -c 2>/dev/null)" in
+    lxc | lxc-libvirt | openvz) return 0 ;;
+    esac
+  fi
+  # PCT_OSTYPE is exported into the install environment by the host
+  [[ -n "${PCT_OSTYPE:-}" ]] && return 0
+  return 1
+}
+
+# ------------------------------------------------------------------------------
+# _container_write_failure()
+#
+# - Writes the failure artifacts inside the container for the host to pick up:
+#   * flag file with the exit code
+#   * .errinfo capture (if silent() has not already written a better one)
+#   * copy of the install log
+# - This REPLACES any direct telemetry send from the container
+# - Arguments: $1 = exit_code, $2 = command (optional), $3 = line (optional)
+# ------------------------------------------------------------------------------
+_container_write_failure() {
+  local exit_code="${1:-1}"
+  local command="${2:-}"
+  local line="${3:-}"
+  local sid="${SESSION_ID:-error}"
+
+  # Flag file with exit code (host reads this after lxc-attach returns)
+  echo "$exit_code" >"/root/.install-${sid}.failed" 2>/dev/null || true
+
+  # Keep the install log where the host expects it
+  if [[ -n "${INSTALL_LOG:-}" && -f "${INSTALL_LOG}" && "${INSTALL_LOG}" != "/root/.install-${sid}.log" ]]; then
+    cp "${INSTALL_LOG}" "/root/.install-${sid}.log" 2>/dev/null || true
+  fi
+
+  # Structured error capture (skip if silent() already wrote the exact
+  # output segment of the failing command - that one is always better).
+  # Self-contained: api.func is NOT sourced inside containers.
+  local errinfo="${INSTALL_LOG:-/root/.install-${sid}.log}.errinfo"
+  if [[ ! -s "$errinfo" ]]; then
+    local flat_cmd
+    flat_cmd=$(printf '%s' "${command:-unknown}" | tr '\n' ' ' | head -c 300)
+    {
+      echo "EXIT_CODE=${exit_code}"
+      echo "LINE=${line:-0}"
+      echo "COMMAND=${flat_cmd}"
+      echo "--- OUTPUT ---"
+      if [[ -n "${INSTALL_LOG:-}" && -s "${INSTALL_LOG}" ]]; then
+        tail -n 80 "${INSTALL_LOG}" 2>/dev/null |
+          sed 's/\r$//' |
+          sed 's/\x1b\[[0-9;]*[a-zA-Z]//g' |
+          grep -avE '^(Get:|Hit:|Ign:|Fetched |Reading package lists|Reading state information|Building dependency tree|Selecting previously|Preparing to unpack|Unpacking |Processing triggers for|\(Reading database|[0-9]+%[[:space:]]*\[)' |
+          grep -avE '^[[:space:]]*$' |
+          tail -n 60 | head -c 10240
+      fi
+    } >"$errinfo" 2>/dev/null || true
+  fi
+}
+
+# ==============================================================================
+# SECTION 3: ERROR HANDLER
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# error_handler()
+#
+# - Main error handler triggered by ERR trap
+# - Displays error message with line number, exit code, explanation, command
+# - Shows last 20 lines of the active log
+# - Emits actionable hints for common failure patterns (OOM, APT, network...)
+# - HOST: reports "failed" to telemetry (full payload via api.func)
+# - CONTAINER: writes failure artifacts, sends nothing
+# - Exits with original exit code
+# ------------------------------------------------------------------------------
+error_handler() {
+  local exit_code=${1:-$?}
+  local command=${2:-${BASH_COMMAND:-unknown}}
+  local line_number=${BASH_LINENO[0]:-unknown}
+
+  command="${command//\$STD/}"
+
+  # If error originated from silent(), use its captured metadata
+  if [[ -n "${_SILENT_FAILED_RC:-}" ]]; then
+    exit_code="$_SILENT_FAILED_RC"
+    command="$_SILENT_FAILED_CMD"
+    line_number="$_SILENT_FAILED_LINE"
+    unset _SILENT_FAILED_RC _SILENT_FAILED_CMD _SILENT_FAILED_LINE
+  fi
+
+  if [[ "$exit_code" -eq 0 ]]; then
+    return 0
+  fi
+
+  # Export the failure location so telemetry can include the "where"
+  FAILED_COMMAND="$command"
+  FAILED_LINE="$line_number"
+  export FAILED_COMMAND FAILED_LINE
+
+  # Stop spinner and restore cursor FIRST - before any output
+  if declare -f stop_spinner >/dev/null 2>&1; then
+    stop_spinner 2>/dev/null || true
+  fi
+  printf "\e[?25h"
+
+  local explanation
+  explanation="$(explain_exit_code "$exit_code")"
+  if [[ "$explanation" == curl:* && ! "$command" =~ (^|[[:space:]])([^[:space:]]*/)?curl([[:space:]]|$) ]]; then
+    explanation="Command failed with exit status ${exit_code}"
+  fi
+
+  # ── Telemetry / failure artifacts ──
+  if _is_container_context; then
+    _container_write_failure "$exit_code" "$command" "$line_number"
+  elif declare -f post_update_to_api &>/dev/null; then
+    post_update_to_api "failed" "$exit_code" 2>/dev/null || true
+  fi
+
+  # ── Display ──
+  if declare -f msg_error >/dev/null 2>&1; then
+    msg_error "in line ${line_number}: exit code ${exit_code} (${explanation}): while executing command ${command}"
+  else
+    echo -e "\n${RD}[ERROR]${CL} in line ${RD}${line_number}${CL}: exit code ${RD}${exit_code}${CL} (${explanation}): while executing command ${YWB}${command}${CL}\n"
+  fi
+
+  if [[ -n "${DEBUG_LOGFILE:-}" ]]; then
+    {
+      echo "------ ERROR ------"
+      echo "Timestamp : $(date '+%Y-%m-%d %H:%M:%S')"
+      echo "Exit Code : $exit_code ($explanation)"
+      echo "Line      : $line_number"
+      echo "Command   : $command"
+      echo "-------------------"
+    } >>"$DEBUG_LOGFILE"
+  fi
+
+  # Get active log file (prefer silent()'s logfile when available)
+  local active_log=""
+  if [[ -n "${_SILENT_FAILED_LOG:-}" && -s "${_SILENT_FAILED_LOG}" ]]; then
+    active_log="$_SILENT_FAILED_LOG"
+    unset _SILENT_FAILED_LOG
+  elif declare -f get_active_logfile >/dev/null 2>&1; then
+    active_log="$(get_active_logfile)"
+  elif [[ -n "${SILENT_LOGFILE:-}" ]]; then
+    active_log="$SILENT_LOGFILE"
+  fi
+
+  if [[ -n "$active_log" && ! -s "$active_log" && -n "${BUILD_LOG:-}" && -s "${BUILD_LOG}" ]]; then
+    active_log="$BUILD_LOG"
+  fi
+
+  # stderr: the trap can fire inside a $(...) capture that would eat this as data
+  if [[ -n "$active_log" && -s "$active_log" ]]; then
+    echo -e "\n${TAB}--- Last 20 lines of log ---" >&2
+    tail -n 20 "$active_log" >&2
+    echo -e "${TAB}-----------------------------------\n" >&2
+  fi
+
+  # ── Node.js heap OOM detection with actionable guidance ──
+  local node_oom_detected="false"
+  local node_build_context="false"
+  if [[ "$command" =~ (npm|pnpm|yarn|node|vite|turbo) ]]; then
+    node_build_context="true"
+  fi
+  if [[ "$exit_code" == "243" ]]; then
+    node_oom_detected="true"
+  elif [[ -n "$active_log" && -s "$active_log" ]]; then
+    if tail -n 200 "$active_log" 2>/dev/null | grep -Eqi 'Reached heap limit|JavaScript heap out of memory|Allocation failed - JavaScript heap out of memory|FATAL ERROR: Reached heap limit'; then
+      node_oom_detected="true"
+    fi
+  fi
+
+  if [[ "$node_oom_detected" == "true" ]] || { [[ "$node_build_context" == "true" ]] && [[ "$exit_code" =~ ^(134|137)$ ]]; }; then
+    local heap_hint_mb=""
+
+    if [[ -n "${NODE_OPTIONS:-}" ]] && [[ "${NODE_OPTIONS}" =~ max-old-space-size=([0-9]+) ]]; then
+      heap_hint_mb="${BASH_REMATCH[1]}"
+    elif [[ -n "${var_ram:-}" ]] && [[ "${var_ram}" =~ ^[0-9]+$ ]]; then
+      heap_hint_mb=$((var_ram * 75 / 100))
+    else
+      local mem_kb=""
+      mem_kb=$(awk '/^MemTotal:/ {print $2; exit}' /proc/meminfo 2>/dev/null || echo "")
+      if [[ "$mem_kb" =~ ^[0-9]+$ ]]; then
+        local mem_mb=$((mem_kb / 1024))
+        heap_hint_mb=$((mem_mb * 75 / 100))
+      fi
+    fi
+
+    if [[ -z "$heap_hint_mb" ]] || ((heap_hint_mb < 1024)); then
+      heap_hint_mb=1024
+    elif ((heap_hint_mb > 12288)); then
+      heap_hint_mb=12288
+    fi
+
+    if declare -f msg_warn >/dev/null 2>&1; then
+      msg_warn "Possible Node.js heap OOM. Try: export NODE_OPTIONS=\"--max-old-space-size=${heap_hint_mb}\" and rerun the build."
+    else
+      echo -e "${YW}Possible Node.js heap OOM. Try: export NODE_OPTIONS=\"--max-old-space-size=${heap_hint_mb}\" and rerun the build.${CL}"
+    fi
+  fi
+
+  # ── Log-pattern analysis: actionable hints for common failure causes ──
+  if [[ -n "$active_log" && -s "$active_log" ]]; then
+    local _log_tail
+    _log_tail=$(tail -n 60 "$active_log" 2>/dev/null || true)
+
+    # 1. APT/dpkg dependency conflict
+    if echo "$_log_tail" | grep -qE "Depends:|depends on.*but.*not installed|broken packages|unmet dep|dependency problems"; then
+      local _pg_conflict
+      _pg_conflict=$(echo "$_log_tail" | grep -oE 'postgresql-[0-9]+ but.*installed' | head -1 || true)
+      if [[ -n "$_pg_conflict" ]]; then
+        if declare -f msg_warn >/dev/null 2>&1; then
+          msg_warn "PostgreSQL version conflict: ${_pg_conflict}"
+          msg_warn "Hint: A package requires a specific PostgreSQL version that is not installed. Your distribution may have installed a different PG version than expected."
+        fi
+      else
+        if declare -f msg_warn >/dev/null 2>&1; then
+          msg_warn "APT dependency conflict detected. A required package is not available or is the wrong version for this system."
+          msg_warn "Hint: Run 'apt-get install -f' inside the container or check that all required repositories are configured for your distribution."
+        fi
+      fi
+    # 2. APT/GPG signature verification failure
+    elif echo "$_log_tail" | grep -qE "sqv|KEYEXPIRED|NO_PUBKEY|key is not certified|signature verification failed|is not signed|Sub-process.*sqv"; then
+      if declare -f msg_warn >/dev/null 2>&1; then
+        msg_warn "APT repository signature error detected."
+        msg_warn "Hint: A repository GPG key may be missing, expired, or the keyring file is not yet present (/usr/share/postgresql-common/pgdg/apt.postgresql.org.asc etc.)."
+        msg_warn "Hint: Install the 'postgresql-common' package first, or re-add the repository with its correct signing key."
+      fi
+    # 3. Network / DNS failure
+    elif echo "$_log_tail" | grep -qE "Could not resolve|Failed to fetch|Unable to connect|Name or service not known|Network is unreachable|curl.*resolve"; then
+      if declare -f msg_warn >/dev/null 2>&1; then
+        msg_warn "Network or DNS failure detected."
+        msg_warn "Hint: Check the container's network connectivity, DNS settings, and whether any firewall or ad-blocker is intercepting traffic."
+      fi
+    # 4. APT lock held by another process
+    elif echo "$_log_tail" | grep -qE "Could not get lock|dpkg frontend lock|waiting for it to exit|E: Unable to lock"; then
+      if declare -f msg_warn >/dev/null 2>&1; then
+        msg_warn "APT or dpkg lock conflict detected."
+        msg_warn "Hint: Another package manager process may be running. Try 'rm /var/lib/dpkg/lock-frontend && dpkg --configure -a' inside the container."
+      fi
+    # 5. Disk space exhaustion
+    elif echo "$_log_tail" | grep -qE "No space left on device|disk quota exceeded|ENOSPC"; then
+      if declare -f msg_warn >/dev/null 2>&1; then
+        msg_warn "Disk space exhausted during installation."
+        msg_warn "Hint: Increase the container's disk size (pct resize <ctid> rootfs +2G) or clean up space first."
+      fi
+    fi
+  fi
+
+  # ── Context-specific cleanup ──
+  if _is_container_context; then
+    # Container: artifacts already written above; nothing more to do
+    :
+  else
+    # HOST: show log path and offer container cleanup
+    if [[ -n "$active_log" && -s "$active_log" ]]; then
+      if declare -f msg_custom >/dev/null 2>&1; then
+        msg_custom "📋" "${YW}" "Full log: ${active_log}"
+      else
+        echo -e "${YW}Full log:${CL} ${BL}${active_log}${CL}"
+      fi
+    fi
+
+    # Offer to remove container if it exists (build errors after container creation)
+    if [[ -n "${CTID:-}" ]] && command -v pct &>/dev/null && pct status "$CTID" &>/dev/null; then
+      echo ""
+      if declare -f msg_custom >/dev/null 2>&1; then
+        echo -en "${TAB}❓${TAB}${YW}Remove broken container ${CTID}? (Y/n) [auto-remove in 60s]: ${CL}"
+      else
+        echo -en "${YW}Remove broken container ${CTID}? (Y/n) [auto-remove in 60s]: ${CL}"
+      fi
+
+      local response=""
+      local read_rc
+      declare -f reclaim_tty >/dev/null 2>&1 && reclaim_tty
+      read -t 60 -r response </dev/tty
+      read_rc=$?
+      if [[ $read_rc -eq 0 ]]; then
+        if [[ -z "$response" || "$response" =~ ^[Yy]$ ]]; then
+          echo ""
+          if declare -f msg_info >/dev/null 2>&1; then
+            msg_info "Removing container ${CTID}"
+          else
+            echo -e "${YW}Removing container ${CTID}${CL}"
+          fi
+          pct stop "$CTID" &>/dev/null || true
+          pct destroy "$CTID" &>/dev/null || true
+          if declare -f msg_ok >/dev/null 2>&1; then
+            msg_ok "Container ${CTID} removed"
+          else
+            echo -e "${GN}✔${CL} Container ${CTID} removed"
+          fi
+        elif [[ "$response" =~ ^[Nn]$ ]]; then
+          echo ""
+          if declare -f msg_warn >/dev/null 2>&1; then
+            msg_warn "Container ${CTID} kept for debugging"
+          else
+            echo -e "${YW}Container ${CTID} kept for debugging${CL}"
+          fi
+        fi
+      elif [[ $read_rc -gt 128 ]]; then
+        # Timeout - auto-remove
+        echo ""
+        if declare -f msg_info >/dev/null 2>&1; then
+          msg_info "No response - removing container ${CTID}"
+        else
+          echo -e "${YW}No response - removing container ${CTID}${CL}"
+        fi
+        pct stop "$CTID" &>/dev/null || true
+        pct destroy "$CTID" &>/dev/null || true
+        if declare -f msg_ok >/dev/null 2>&1; then
+          msg_ok "Container ${CTID} removed"
+        else
+          echo -e "${GN}✔${CL} Container ${CTID} removed"
+        fi
+      else
+        # read itself failed (e.g. broken/closed stdin, I/O error) rather than
+        # timing out - don't guess and destroy the container on a read we
+        # couldn't actually capture; keep it since that's the reversible choice.
+        while read -r -t 0.1 -n 1 _ </dev/tty 2>/dev/null; do :; done
+        echo ""
+        if declare -f msg_error >/dev/null 2>&1; then
+          msg_error "Could not read your response (stdin error) - keeping container ${CTID} for safety."
+          msg_error "Remove it manually if not needed: pct destroy ${CTID}"
+        else
+          echo -e "${YW}Could not read your response (stdin error) - keeping container ${CTID} for safety.${CL}"
+          echo -e "${YW}Remove it manually if not needed: pct destroy ${CTID}${CL}"
+        fi
+      fi
+    fi
+  fi
+
+  exit "$exit_code"
+}
+
+# ==============================================================================
+# SECTION 4: TELEMETRY & CLEANUP HELPERS FOR SIGNAL HANDLERS
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# _send_abort_telemetry()  (compatibility name)
+#
+# - HOST: reports via post_update_to_api (signals map to "aborted" there)
+# - CONTAINER: writes failure artifacts instead of sending anything
+# - Arguments: $1 = exit_code
+# ------------------------------------------------------------------------------
+_send_abort_telemetry() {
+  local exit_code="${1:-1}"
+  if _is_container_context; then
+    _container_write_failure "$exit_code"
+    return 0
+  fi
+  if declare -f post_update_to_api &>/dev/null; then
+    post_update_to_api "failed" "$exit_code" 2>/dev/null || true
+  fi
+  return 0
+}
+
+# ------------------------------------------------------------------------------
+# _stop_container_if_installing()
+#
+# - Stops the LXC container if we're in the install phase (host only)
+# - Prevents orphaned container processes when the host exits due to a signal
+# ------------------------------------------------------------------------------
+_stop_container_if_installing() {
+  [[ "${CONTAINER_INSTALLING:-}" == "true" ]] || return 0
+  [[ -n "${CTID:-}" ]] || return 0
+  command -v pct &>/dev/null || return 0
+  pct stop "$CTID" 2>/dev/null || true
+}
+
+# ==============================================================================
+# SECTION 5: SIGNAL HANDLERS
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# on_exit()
+#
+# - EXIT trap handler — runs on EVERY script termination
+# - CONTAINER: ensures failure artifacts exist on non-zero exit (this also
+#   covers silent()'s direct `exit $rc`, which bypasses the ERR trap)
+# - HOST: catches executions that never sent a final status:
+#   * non-zero exit → "failed" (signal codes map to "aborted")
+#   * zero exit with an "installing" record but no final → "aborted"
+#     (e.g. user cancelled a whiptail dialog, script exited cleanly)
+# ------------------------------------------------------------------------------
+on_exit() {
+  local exit_code=$?
+
+  if _is_container_context; then
+    if [[ $exit_code -ne 0 ]]; then
+      _container_write_failure "$exit_code" "${FAILED_COMMAND:-}" "${FAILED_LINE:-}"
+    fi
+  else
+    if [[ "${POST_UPDATE_DONE:-}" != "true" ]] && declare -f post_update_to_api >/dev/null 2>&1; then
+      if [[ $exit_code -ne 0 ]]; then
+        post_update_to_api "failed" "$exit_code" 2>/dev/null || true
+      elif [[ "${POST_TO_API_DONE:-}" == "true" ]]; then
+        # Clean exit but no success was ever reported: the user backed out
+        # somewhere. Report as aborted so the record doesn't stay "installing".
+        post_update_to_api "aborted" "0" 2>/dev/null || true
+      fi
+    fi
+
+    # Best-effort log collection on failure
+    if [[ $exit_code -ne 0 ]] && declare -f ensure_log_on_host >/dev/null 2>&1; then
+      ensure_log_on_host 2>/dev/null || true
+    fi
+
+    # Stop orphaned container if we're in the install phase
+    if [[ $exit_code -ne 0 ]]; then
+      _stop_container_if_installing
+    fi
+  fi
+
+  [[ -n "${lockfile:-}" && -e "$lockfile" ]] && rm -f "$lockfile"
+  exit "$exit_code"
+}
+
+# ------------------------------------------------------------------------------
+# on_interrupt() - SIGINT (Ctrl+C)
+# ------------------------------------------------------------------------------
+on_interrupt() {
+  if declare -f stop_spinner >/dev/null 2>&1; then
+    stop_spinner 2>/dev/null || true
+  fi
+  printf "\e[?25h" 2>/dev/null || true
+
+  if _is_container_context; then
+    _container_write_failure "130"
+  elif declare -f post_update_to_api &>/dev/null; then
+    post_update_to_api "aborted" "130" 2>/dev/null || true
+  fi
+  _stop_container_if_installing
+  if declare -f msg_error >/dev/null 2>&1; then
+    msg_error "Interrupted by user (SIGINT)" 2>/dev/null || true
+  else
+    echo -e "\n${RD}Interrupted by user (SIGINT)${CL}" 2>/dev/null || true
+  fi
+  exit 130
+}
+
+# ------------------------------------------------------------------------------
+# on_terminate() - SIGTERM
+# ------------------------------------------------------------------------------
+on_terminate() {
+  if declare -f stop_spinner >/dev/null 2>&1; then
+    stop_spinner 2>/dev/null || true
+  fi
+  printf "\e[?25h" 2>/dev/null || true
+
+  if _is_container_context; then
+    _container_write_failure "143"
+  elif declare -f post_update_to_api &>/dev/null; then
+    post_update_to_api "aborted" "143" 2>/dev/null || true
+  fi
+  _stop_container_if_installing
+  if declare -f msg_error >/dev/null 2>&1; then
+    msg_error "Terminated by signal (SIGTERM)" 2>/dev/null || true
+  else
+    echo -e "\n${RD}Terminated by signal (SIGTERM)${CL}" 2>/dev/null || true
+  fi
+  exit 143
+}
+
+# ------------------------------------------------------------------------------
+# on_hangup() - SIGHUP (SSH disconnect, terminal closed)
+# ------------------------------------------------------------------------------
+on_hangup() {
+  if declare -f stop_spinner >/dev/null 2>&1; then
+    stop_spinner 2>/dev/null || true
+  fi
+
+  if _is_container_context; then
+    _container_write_failure "129"
+  elif declare -f post_update_to_api &>/dev/null; then
+    post_update_to_api "aborted" "129" 2>/dev/null || true
+  fi
+  _stop_container_if_installing
+  exit 129
+}
+
+# ==============================================================================
+# SECTION 6: INITIALIZATION
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# catch_errors()
+#
+# - Initializes error handling and signal traps
+# - set -Ee -o pipefail (+ set -u when STRICT_UNSET=1)
+# - Traps: ERR → error_handler, EXIT → on_exit, INT/TERM/HUP → signal handlers
+# - Call this function early in every script
+# ------------------------------------------------------------------------------
+catch_errors() {
+  set -Ee -o pipefail
+  if [ "${STRICT_UNSET:-0}" = "1" ]; then
+    set -u
+  fi
+
+  trap 'error_handler' ERR
+  trap on_exit EXIT
+  trap on_interrupt INT
+  trap on_terminate TERM
+  trap on_hangup HUP
+}

misc/install.func

@@ -0,0 +1,552 @@
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: tteck (tteckster)
+# Co-Author: MickLesk
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+
+# ==============================================================================
+# INSTALL.FUNC - CONTAINER INSTALLATION & SETUP
+# ==============================================================================
+#
+# This file provides installation functions executed inside LXC containers
+# after creation. Handles:
+#
+#   - Network connectivity verification (IPv4/IPv6)
+#   - OS updates and package installation
+#   - DNS resolution checks
+#   - MOTD and SSH configuration
+#   - Container customization and auto-login
+#
+# Usage:
+#   - Sourced by <app>-install.sh scripts
+#   - Executes via pct exec inside container
+#   - Requires internet connectivity
+#
+# ==============================================================================
+
+# ==============================================================================
+# SECTION 1: INITIALIZATION
+# ==============================================================================
+
+if ! command -v curl >/dev/null 2>&1; then
+  printf "\r\e[2K%b" '\033[93m Setup Source \033[m' >&2
+  apt update >/dev/null 2>&1
+  apt install -y curl >/dev/null 2>&1
+fi
+# Mark container context BEFORE error handling starts: error_handler/on_exit
+# must write local failure artifacts instead of talking to the telemetry API
+# (the host is the single telemetry reporter).
+export TELEMETRY_CONTEXT="container"
+
+# A freshly booted container may not have DNS up yet. `source <(curl ...)` hides
+# curl's exit code, so a failed download would silently source an empty stream.
+_bootstrap_die() {
+  if declare -f msg_error >/dev/null 2>&1; then
+    msg_error "$1"
+  else
+    echo "FATAL: $1" >&2
+  fi
+  exit 115
+}
+
+_bootstrap_source() {
+  local url="$1" probe="$2" content
+  content=$(curl -fsSL --connect-timeout 10 --retry 5 --retry-connrefused --retry-delay 2 "$url") ||
+    _bootstrap_die "Failed to download ${url##*/}"
+  source /dev/stdin <<<"$content"
+  declare -f "$probe" >/dev/null 2>&1 ||
+    _bootstrap_die "${url##*/} loaded but incomplete (missing ${probe})"
+}
+
+_FUNC_BASE="https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc"
+_bootstrap_source "$_FUNC_BASE/core.func" load_functions
+_bootstrap_source "$_FUNC_BASE/error_handler.func" catch_errors
+load_functions
+catch_errors
+
+# Persist diagnostics setting inside container (exported from build.func)
+# so addon scripts running later can find the user's choice
+if [[ ! -f /usr/local/community-scripts/diagnostics ]]; then
+  mkdir -p /usr/local/community-scripts
+  echo "DIAGNOSTICS=${DIAGNOSTICS:-no}" >/usr/local/community-scripts/diagnostics
+fi
+
+# Get LXC IP address (must be called INSIDE container, after network is up)
+get_lxc_ip
+
+# ------------------------------------------------------------------------------
+# post_progress_to_api()
+#
+# - Lightweight progress ping from inside the container
+# - Updates the existing telemetry record status
+# - Arguments:
+#   * $1: status (optional, default: "configuring")
+# - Signals that the installation is actively progressing (not stuck)
+# - Fire-and-forget: never blocks or fails the script
+# - Only executes if DIAGNOSTICS=yes and RANDOM_UUID is set
+# ------------------------------------------------------------------------------
+post_progress_to_api() {
+  command -v curl &>/dev/null || return 0
+  [[ "${DIAGNOSTICS:-no}" == "no" ]] && return 0
+  [[ -z "${RANDOM_UUID:-}" ]] && return 0
+
+  local progress_status="${1:-configuring}"
+
+  # Progress pings are the ONLY telemetry a container sends (terminal statuses
+  # are reported by the host). Include execution_id + platform + repo
+  # attribution (exported by the host) so the server can correlate and filter.
+  curl -fsS -m 5 -X POST "https://telemetry.community-scripts.org/telemetry" \
+    -H "Content-Type: application/json" \
+    -d "{\"random_id\":\"${RANDOM_UUID}\",\"execution_id\":\"${EXECUTION_ID:-${RANDOM_UUID}}\",\"type\":\"lxc\",\"nsapp\":\"${app:-unknown}\",\"status\":\"${progress_status}\",\"platform\":\"${TELEMETRY_PLATFORM:-}\",\"repo_source\":\"${REPO_SOURCE:-}\",\"repo_slug\":\"${REPO_SLUG:-}\"}" &>/dev/null || true
+}
+
+# ==============================================================================
+# SECTION 2: NETWORK & CONNECTIVITY
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# verb_ip6()
+#
+# - Configures IPv6 based on DISABLEIPV6 variable
+# - If DISABLEIPV6=yes: disables IPv6 via sysctl
+# - Sets verbose mode via set_std_mode()
+# ------------------------------------------------------------------------------
+verb_ip6() {
+  set_std_mode # Set STD mode based on VERBOSE
+
+  if [ "${IPV6_METHOD:-}" = "disable" ]; then
+    msg_info "Disabling IPv6 (this may affect some services)"
+    mkdir -p /etc/sysctl.d
+    $STD tee /etc/sysctl.d/99-disable-ipv6.conf >/dev/null <<EOF
+# Disable IPv6 (set by community-scripts)
+net.ipv6.conf.all.disable_ipv6 = 1
+net.ipv6.conf.default.disable_ipv6 = 1
+net.ipv6.conf.lo.disable_ipv6 = 1
+EOF
+    $STD sysctl -p /etc/sysctl.d/99-disable-ipv6.conf
+    msg_ok "Disabled IPv6"
+  fi
+}
+
+# ------------------------------------------------------------------------------
+# setting_up_container()
+#
+# - Verifies network connectivity via hostname -I
+# - Retries up to RETRY_NUM times with RETRY_EVERY seconds delay
+# - Removes Python EXTERNALLY-MANAGED restrictions
+# - Disables systemd-networkd-wait-online.service for faster boot
+# - Exits with error if network unavailable after retries
+# ------------------------------------------------------------------------------
+setting_up_container() {
+  msg_info "Setting up Container OS"
+
+  # Fix Debian 13 LXC template bug where / is owned by nobody
+  # Only attempt in privileged containers (unprivileged cannot chown /)
+  if [[ "$(stat -c '%U' /)" != "root" ]]; then
+    (chown root:root / 2>/dev/null) || true
+  fi
+
+  for ((i = RETRY_NUM; i > 0; i--)); do
+    if [ "$(hostname -I)" != "" ]; then
+      break
+    fi
+    echo 1>&2 -en "${CROSS}${RD} No Network! "
+    sleep $RETRY_EVERY
+  done
+  if [ "$(hostname -I)" = "" ]; then
+    echo 1>&2 -e "\n${CROSS}${RD} No Network After $RETRY_NUM Tries${CL}"
+    echo -e "${NETWORK}Check Network Settings"
+    exit 121
+  fi
+  rm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED
+  systemctl disable -q --now systemd-networkd-wait-online.service
+  msg_ok "Set up Container OS"
+  #msg_custom "${CM}" "${GN}" "Network Connected: ${BL}$(hostname -I)"
+  msg_ok "Network Connected: ${BL}$(hostname -I)"
+  post_progress_to_api
+}
+
+# ------------------------------------------------------------------------------
+# network_check()
+#
+# - Comprehensive network connectivity check for IPv4 and IPv6
+# - Tests connectivity to multiple DNS servers:
+#   * IPv4: 1.1.1.1 (Cloudflare), 8.8.8.8 (Google), 9.9.9.9 (Quad9)
+#   * IPv6: 2606:4700:4700::1111, 2001:4860:4860::8888, 2620:fe::fe
+# - Verifies DNS resolution for GitHub and Community-Scripts domains
+# - Prompts user to continue if no internet detected
+# - Uses fatal() on DNS resolution failure for critical hosts
+# ------------------------------------------------------------------------------
+network_check() {
+  set +e
+  trap - ERR
+  ipv4_connected=false
+  ipv6_connected=false
+  sleep 1
+
+  # Check IPv4 connectivity to Google, Cloudflare & Quad9 DNS servers.
+  if ping -c 1 -W 1 1.1.1.1 &>/dev/null || ping -c 1 -W 1 8.8.8.8 &>/dev/null || ping -c 1 -W 1 9.9.9.9 &>/dev/null; then
+    msg_ok "IPv4 Internet Connected"
+    ipv4_connected=true
+  else
+    msg_error "IPv4 Internet Not Connected"
+  fi
+
+  # Check IPv6 connectivity to Google, Cloudflare & Quad9 DNS servers.
+  if ping6 -c 1 -W 1 2606:4700:4700::1111 &>/dev/null || ping6 -c 1 -W 1 2001:4860:4860::8888 &>/dev/null || ping6 -c 1 -W 1 2620:fe::fe &>/dev/null; then
+    msg_ok "IPv6 Internet Connected"
+    ipv6_connected=true
+  else
+    msg_error "IPv6 Internet Not Connected"
+  fi
+
+  # If both IPv4 and IPv6 checks fail, prompt the user
+  if [[ $ipv4_connected == false && $ipv6_connected == false ]]; then
+    read -r -p "No Internet detected, would you like to continue anyway? <y/N> " prompt </dev/tty
+    if [[ "${prompt,,}" =~ ^(y|yes)$ ]]; then
+      echo -e "${INFO}${RD}Expect Issues Without Internet${CL}"
+    else
+      echo -e "${NETWORK}Check Network Settings"
+      exit 122
+    fi
+  fi
+
+  # DNS resolution checks for GitHub-related domains (IPv4 and/or IPv6)
+  GIT_HOSTS=("github.com" "raw.githubusercontent.com" "api.github.com")
+  GIT_STATUS="Git DNS:"
+  DNS_FAILED=false
+
+  for HOST in "${GIT_HOSTS[@]}"; do
+    RESOLVEDIP=$(getent hosts "$HOST" | awk '{ print $1 }' | grep -E '(^([0-9]{1,3}\.){3}[0-9]{1,3}$)|(^[a-fA-F0-9:]+$)' | head -n1)
+    if [[ -z "$RESOLVEDIP" ]]; then
+      GIT_STATUS+="$HOST:($DNSFAIL)"
+      DNS_FAILED=true
+    else
+      GIT_STATUS+=" $HOST:($DNSOK)"
+    fi
+  done
+
+  if [[ "$DNS_FAILED" == true ]]; then
+    fatal "$GIT_STATUS"
+  else
+    msg_ok "$GIT_STATUS"
+  fi
+
+  set -e
+  trap 'error_handler' ERR
+}
+
+# ==============================================================================
+# SECTION 3: OS UPDATE & PACKAGE MANAGEMENT
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# apt_update_safe()
+#
+# - Runs apt-get update with CDN mirror fallback
+# - On failure, detects distro (Debian/Ubuntu) and tries alternate mirrors
+# - Three-phase approach: global mirrors → primary mirror → regional mirrors
+# - Falls back to manual user prompt if all auto mirrors fail
+# - Detects hash mismatch, SSL errors, and generic apt failures
+# ------------------------------------------------------------------------------
+apt_update_safe() {
+  if $STD apt-get update; then
+    return 0
+  fi
+
+  local failed_mirror
+  failed_mirror=$(grep -m1 -oP '(?<=URIs: https?://)[^/]+' /etc/apt/sources.list.d/debian.sources 2>/dev/null || grep -m1 -oP '(?<=deb https?://)[^/]+' /etc/apt/sources.list 2>/dev/null || echo "unknown")
+  msg_warn "apt-get update failed (${failed_mirror}), trying alternate mirrors..."
+
+  local distro
+  distro=$(. /etc/os-release 2>/dev/null && echo "$ID" || echo "debian")
+
+  local eu_mirrors us_mirrors ap_mirrors
+  if [[ "$distro" == "ubuntu" ]]; then
+    eu_mirrors="de.archive.ubuntu.com fr.archive.ubuntu.com se.archive.ubuntu.com nl.archive.ubuntu.com it.archive.ubuntu.com ch.archive.ubuntu.com mirrors.xtom.de"
+    us_mirrors="us.archive.ubuntu.com archive.ubuntu.com mirrors.edge.kernel.org mirror.csclub.uwaterloo.ca mirrors.ocf.berkeley.edu mirror.math.princeton.edu"
+    ap_mirrors="au.archive.ubuntu.com jp.archive.ubuntu.com kr.archive.ubuntu.com tw.archive.ubuntu.com mirror.aarnet.edu.au"
+  else
+    eu_mirrors="ftp.de.debian.org ftp.fr.debian.org ftp.nl.debian.org ftp.uk.debian.org ftp.ch.debian.org ftp.se.debian.org ftp.it.debian.org ftp.fau.de ftp.halifax.rwth-aachen.de debian.mirror.lrz.de mirror.init7.net debian.ethz.ch mirrors.dotsrc.org debian.mirrors.ovh.net"
+    us_mirrors="ftp.us.debian.org ftp.ca.debian.org debian.csail.mit.edu mirrors.ocf.berkeley.edu mirrors.wikimedia.org debian.osuosl.org mirror.cogentco.com"
+    ap_mirrors="ftp.au.debian.org ftp.jp.debian.org ftp.tw.debian.org ftp.kr.debian.org ftp.hk.debian.org ftp.sg.debian.org mirror.aarnet.edu.au mirror.nitc.ac.in"
+  fi
+
+  local tz regional others
+  tz=$(cat /etc/timezone 2>/dev/null || echo "UTC")
+  case "$tz" in
+  Europe/* | Arctic/*)
+    regional="$eu_mirrors"
+    others="$us_mirrors $ap_mirrors"
+    ;;
+  America/*)
+    regional="$us_mirrors"
+    others="$eu_mirrors $ap_mirrors"
+    ;;
+  Asia/* | Australia/* | Pacific/*)
+    regional="$ap_mirrors"
+    others="$eu_mirrors $us_mirrors"
+    ;;
+  *)
+    regional=""
+    others="$eu_mirrors $us_mirrors $ap_mirrors"
+    ;;
+  esac
+
+  echo 'Acquire::By-Hash "no";' >/etc/apt/apt.conf.d/99no-by-hash
+
+  _try_apt_mirror() {
+    local m=$1
+    for src in /etc/apt/sources.list.d/debian.sources /etc/apt/sources.list; do
+      [[ -f "$src" ]] && sed -i "s|URIs: http[s]*://[^/]*/|URIs: http://${m}/|g; s|deb http[s]*://[^/]*/|deb http://${m}/|g" "$src"
+    done
+    rm -rf /var/lib/apt/lists/*
+    local out
+    out=$(apt-get update 2>&1)
+    if echo "$out" | grep -qi "hashsum\|hash sum"; then
+      msg_warn "Mirror ${m} failed (hash mismatch)"
+      return 1
+    elif echo "$out" | grep -qi "SSL\|certificate"; then
+      msg_warn "Mirror ${m} failed (SSL/certificate error)"
+      return 1
+    elif echo "$out" | grep -q "^E:"; then
+      msg_warn "Mirror ${m} failed (apt-get update error)"
+      return 1
+    else
+      msg_ok "CDN set to ${m}: tests passed"
+      return 0
+    fi
+  }
+
+  _scan_reachable() {
+    local result=""
+    for m in $1; do
+      if timeout 2 bash -c "echo >/dev/tcp/$m/80" 2>/dev/null; then
+        result="$result $m"
+      fi
+    done
+    echo "$result" | xargs
+  }
+
+  local apt_ok=false
+
+  # Phase 1: Scan global mirrors first (independent of local CDN issues)
+  local others_ok
+  others_ok=$(_scan_reachable "$others")
+  local others_pick
+  others_pick=$(printf '%s\n' $others_ok | shuf | head -3 | xargs)
+
+  for mirror in $others_pick; do
+    msg_custom "${INFO}" "${YW}" "Attempting mirror: ${mirror}"
+    if _try_apt_mirror "$mirror"; then
+      apt_ok=true
+      break
+    fi
+  done
+
+  # Phase 2: Try primary mirror
+  if [[ "$apt_ok" != true ]]; then
+    local primary
+    if [[ "$distro" == "ubuntu" ]]; then
+      primary="archive.ubuntu.com"
+    else
+      primary="ftp.debian.org"
+    fi
+    if timeout 2 bash -c "echo >/dev/tcp/$primary/80" 2>/dev/null; then
+      msg_custom "${INFO}" "${YW}" "Attempting mirror: ${primary}"
+      if _try_apt_mirror "$primary"; then
+        apt_ok=true
+      fi
+    fi
+  fi
+
+  # Phase 3: Fall back to regional mirrors
+  if [[ "$apt_ok" != true ]]; then
+    local regional_ok
+    regional_ok=$(_scan_reachable "$regional")
+    local regional_pick
+    regional_pick=$(printf '%s\n' $regional_ok | shuf | head -3 | xargs)
+
+    for mirror in $regional_pick; do
+      msg_custom "${INFO}" "${YW}" "Attempting mirror: ${mirror}"
+      if _try_apt_mirror "$mirror"; then
+        apt_ok=true
+        break
+      fi
+    done
+  fi
+
+  # Phase 4: All auto mirrors failed, prompt user
+  if [[ "$apt_ok" != true ]]; then
+    msg_warn "Multiple mirrors failed (possible CDN synchronization issue)."
+    if [[ "$distro" == "ubuntu" ]]; then
+      msg_warn "Find Ubuntu mirrors at: https://launchpad.net/ubuntu/+archivemirrors"
+    else
+      msg_warn "Find Debian mirrors at: https://www.debian.org/mirror/list"
+    fi
+    local custom_mirror
+    while true; do
+      read -rp "  Enter a mirror hostname (or 'skip' to abort): " custom_mirror </dev/tty
+      [[ -z "$custom_mirror" ]] && continue
+      [[ "$custom_mirror" == "skip" ]] && break
+      [[ ! "$custom_mirror" =~ ^[a-zA-Z0-9._-]+$ ]] && {
+        msg_warn "Invalid hostname format."
+        continue
+      }
+      if _try_apt_mirror "$custom_mirror"; then
+        apt_ok=true
+        break
+      fi
+      msg_warn "Mirror '${custom_mirror}' also failed. Try another or type 'skip'."
+    done
+  fi
+
+  if [[ "$apt_ok" != true ]]; then
+    msg_error "All mirrors failed. Check network or try again later."
+    return 1
+  fi
+}
+
+# ------------------------------------------------------------------------------
+# update_os()
+#
+# - Updates container OS via apt-get update and dist-upgrade
+# - Configures APT cacher proxy if CACHER=yes (accelerates package downloads)
+# - Removes Python EXTERNALLY-MANAGED restrictions for pip
+# - Sources tools.func for additional setup functions after update
+# - Uses $STD wrapper to suppress output unless VERBOSE=yes
+# ------------------------------------------------------------------------------
+update_os() {
+  msg_info "Updating Container OS"
+  configure_http_proxy
+  if [[ "$CACHER" == "yes" && -z "${HTTP_PROXY:-${http_proxy:-}}" ]]; then
+    echo 'Acquire::http::Proxy-Auto-Detect "/usr/local/bin/apt-proxy-detect.sh";' >/etc/apt/apt.conf.d/00aptproxy
+    local _proxy_raw="${CACHER_IP}"
+    local _proxy_host _proxy_port _proxy_url
+    # Parse host and port from URL or plain IP/hostname
+    _proxy_host=$(echo "$_proxy_raw" | sed -e 's|https\?://||' -e 's|/.*||' | cut -d: -f1)
+    _proxy_port=$(echo "$_proxy_raw" | sed -e 's|https\?://||' -e 's|/.*||' | cut -s -d: -f2)
+    if [[ "$_proxy_raw" =~ ^https?:// ]]; then
+      # Full URL provided — use as-is for proxy output, extract port for nc check
+      _proxy_url="$_proxy_raw"
+      _proxy_port="${_proxy_port:-80}"
+    else
+      # Legacy: plain IP or hostname — default to http + port 3142
+      _proxy_port="${_proxy_port:-3142}"
+      _proxy_url="http://${_proxy_raw}:${_proxy_port}"
+    fi
+    cat <<EOF >/usr/local/bin/apt-proxy-detect.sh
+#!/bin/bash
+if nc -w1 -z "${_proxy_host}" ${_proxy_port}; then
+  echo -n "${_proxy_url}"
+else
+  echo -n "DIRECT"
+fi
+EOF
+    chmod +x /usr/local/bin/apt-proxy-detect.sh
+  fi
+  apt_update_safe
+  $STD apt-get -o Dpkg::Options::="--force-confold" -y dist-upgrade
+  rm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED
+  msg_ok "Updated Container OS"
+  post_progress_to_api
+
+  local tools_content
+  tools_content=$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/tools.func) || {
+    msg_error "Failed to download tools.func"
+    exit 115
+  }
+  source /dev/stdin <<<"$tools_content"
+  if ! declare -f fetch_and_deploy_gh_release >/dev/null 2>&1; then
+    msg_error "tools.func loaded but incomplete — missing expected functions"
+    exit 115
+  fi
+}
+
+# ==============================================================================
+# SECTION 4: MOTD & SSH CONFIGURATION
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# motd_ssh()
+#
+# - Configures Message of the Day (MOTD) with container information
+# - Creates /etc/profile.d/00_lxc-details.sh with:
+#   * Application name
+#   * Warning banner (DEV repository)
+#   * OS name and version
+#   * Hostname and IP address
+#   * GitHub repository link
+# - Disables executable flag on /etc/update-motd.d/* scripts
+# - Enables root SSH access if SSH_ROOT=yes
+# - Configures TERM environment variable for better terminal support
+# ------------------------------------------------------------------------------
+motd_ssh() {
+  # Set terminal to 256-color mode
+  grep -qxF "export TERM='xterm-256color'" /root/.bashrc || echo "export TERM='xterm-256color'" >>/root/.bashrc
+
+  PROFILE_FILE="/etc/profile.d/00_lxc-details.sh"
+
+  echo "[ -t 1 ] || return 0" >"$PROFILE_FILE"
+  echo "echo -e \"\"" >>"$PROFILE_FILE"
+  echo -e "echo -e \"${BOLD}${APPLICATION} LXC Container${CL}"\" >>"$PROFILE_FILE"
+  echo -e "echo -e \"${TAB}${GATEWAY}${YW} Provided by: ${GN}community-scripts ORG ${YW}| GitHub: ${GN}https://github.com/community-scripts/ProxmoxVE${CL}\"" >>"$PROFILE_FILE"
+  echo "echo \"\"" >>"$PROFILE_FILE"
+  cat <<EOF >>"$PROFILE_FILE"
+os_display="Unknown OS"
+if [ -r /etc/os-release ]; then
+  . /etc/os-release
+  os_display="\${PRETTY_NAME:-\${NAME:-Unknown OS}}"
+fi
+echo -e "${TAB}${OS}${YW} OS: ${GN}\${os_display}${CL}"
+EOF
+  echo -e "echo -e \"${TAB}${HOSTNAME}${YW} Hostname: ${GN}\$(hostname)${CL}\"" >>"$PROFILE_FILE"
+  echo -e "echo -e \"${TAB}${INFO}${YW} IP Address: ${GN}\$(hostname -I | awk '{print \$1}')${CL}\"" >>"$PROFILE_FILE"
+
+  # Disable default MOTD scripts
+  chmod -x /etc/update-motd.d/*
+
+  if [[ "${SSH_ROOT}" == "yes" ]]; then
+    sed -i "s/#PermitRootLogin prohibit-password/PermitRootLogin yes/g" /etc/ssh/sshd_config
+    systemctl restart sshd
+  fi
+  post_progress_to_api
+}
+
+# ==============================================================================
+# SECTION 5: CONTAINER CUSTOMIZATION
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# customize()
+#
+# - Customizes container for passwordless root login if PASSWORD is empty
+# - Configures getty for auto-login via /etc/systemd/system/container-getty@1.service.d/override.conf
+# - Creates /usr/bin/update script for easy application updates
+# - Injects SSH authorized keys if SSH_AUTHORIZED_KEY variable is set
+# - Sets proper permissions on SSH directories and key files
+# ------------------------------------------------------------------------------
+customize() {
+  if [[ "$PASSWORD" == "" ]]; then
+    msg_info "Customizing Container"
+    GETTY_OVERRIDE="/etc/systemd/system/container-getty@1.service.d/override.conf"
+    mkdir -p "$(dirname "$GETTY_OVERRIDE")"
+    cat <<EOF >"$GETTY_OVERRIDE"
+  [Service]
+  ExecStart=
+  ExecStart=-/sbin/agetty --autologin root --noclear --keep-baud tty%I 115200,38400,9600 \$TERM
+EOF
+    systemctl daemon-reload
+    systemctl restart "$(basename "$(dirname "$GETTY_OVERRIDE")" | sed 's/\.d//')"
+    msg_ok "Customized Container"
+  fi
+  echo 'set -a; [ -f /etc/profile.d/90-http-proxy.sh ] && . /etc/profile.d/90-http-proxy.sh; set +a; bash -c "$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/ct/'"${app}"'.sh)"' >/usr/bin/update
+  chmod +x /usr/bin/update
+
+  if [[ -n "${SSH_AUTHORIZED_KEY}" ]]; then
+    mkdir -p /root/.ssh
+    echo "${SSH_AUTHORIZED_KEY}" >/root/.ssh/authorized_keys
+    chmod 700 /root/.ssh
+    chmod 600 /root/.ssh/authorized_keys
+  fi
+  post_progress_to_api
+}

tools/pve/post-install-hook-examples.sh

@@ -4,7 +4,7 @@
 # ----------------------------------------------------------------------------
 #  This file is NOT meant to be executed as-is.
 #  It is a collection of complete, copy-pasteable example hooks for the
-#  optional `var_post_install` feature in the core engine.
+#  optional `var_post_install` feature in build.func.
 #
 #  HOW IT WORKS
 #  ------------
@@ -118,7 +118,7 @@ TS="$(date -Iseconds)"
 read -r -d '' DISCORD_PAYLOAD <<JSON || true
 {
   "username": "Proxmox - ${NODE}",
-  "avatar_url": "https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/.github/assets/logo-81x112.png",
+  "avatar_url": "https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/images/logo-81x112.png",
   "embeds": [{
     "title": "✅ ${APP} LXC created",
     "description": "A new community-script LXC has been provisioned on **${NODE}**.",
@@ -173,7 +173,7 @@ set -euo pipefail
 
 # --- CONFIG (edit me) -------------------------------------------------------
 TARGET_POOL="auto-lxc"
-EXTRA_TAGS=("auto-provisioned" "${NSAPP}") # community-script tag is set by the engine
+EXTRA_TAGS=("auto-provisioned" "${NSAPP}") # community-script tag is set by build.func
 BACKUP_STORAGE="pbs-main"                  # set to "" to skip initial backup
 PIHOLE_HOST="192.168.1.5"
 PIHOLE_PASSWORD="changeme" # web-UI password

vm/owncloud-vm.sh

@@ -1,219 +1,42 @@
-#!/usr/bin/env bash
-
+#!/usr/bin/env bash
 # Copyright (c) 2021-2026 tteck
 # Author: tteck (tteckster)
 # License: MIT
 # https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
 
-source /dev/stdin <<<$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/api.func)
+COMMUNITY_SCRIPTS_URL="${COMMUNITY_SCRIPTS_URL:-https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main}"
+source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/pve/vm-core.func")
+load_functions
 
-function header_info {
-  clear
-  cat <<"EOF"
- ______              __ __                           _______             __  _   ____  ___
-/_  __/_ _________  / //_/__ __ __  ___ _    _____  / ___/ /__  __ _____/ / | | / /  |/  /
- / / / // / __/ _ \/ ,< / -_) // / / _ \ |/|/ / _ \/ /__/ / _ \/ // / _  /  | |/ / /|_/ /
-/_/  \_,_/_/ /_//_/_/|_|\__/\_, /  \___/__,__/_//_/\___/_/\___/\_,_/\_,_/   |___/_/  /_/
-                           /___/
-EOF
-}
-header_info
-echo -e "\n Loading..."
 GEN_MAC=02:$(openssl rand -hex 5 | awk '{print toupper($0)}' | sed 's/\(..\)/\1:/g; s/.$//')
 RANDOM_UUID="$(cat /proc/sys/kernel/random/uuid)"
 METHOD=""
+APP_TYPE="vm"
 NSAPP="owncloud-vm"
 var_os="owncloud"
-var_version="18.0"
+var_version="19.0"
 APP="TurnKey ownCloud VM"
 
-YW=$(echo "\033[33m")
-BL=$(echo "\033[36m")
-RD=$(echo "\033[01;31m")
-BGN=$(echo "\033[4;92m")
-GN=$(echo "\033[1;92m")
-DGN=$(echo "\033[32m")
-CL=$(echo "\033[m")
-
-CL=$(echo "\033[m")
-BOLD=$(echo "\033[1m")
-BFR="\\r\\033[K"
-HOLD=" "
-TAB="  "
-
-CM="${TAB}✔️${TAB}${CL}"
-CROSS="${TAB}✖️${TAB}${CL}"
-INFO="${TAB}💡${TAB}${CL}"
-OS="${TAB}🖥️${TAB}${CL}"
-CONTAINERTYPE="${TAB}📦${TAB}${CL}"
-DISKSIZE="${TAB}💾${TAB}${CL}"
-CPUCORE="${TAB}🧠${TAB}${CL}"
-RAMSIZE="${TAB}🛠️${TAB}${CL}"
-CONTAINERID="${TAB}🆔${TAB}${CL}"
-HOSTNAME="${TAB}🏠${TAB}${CL}"
-BRIDGE="${TAB}🌉${TAB}${CL}"
-GATEWAY="${TAB}🌐${TAB}${CL}"
-DEFAULT="${TAB}⚙️${TAB}${CL}"
-MACADDRESS="${TAB}🔗${TAB}${CL}"
-VLANTAG="${TAB}🏷️${TAB}${CL}"
-CREATING="${TAB}🚀${TAB}${CL}"
-ADVANCED="${TAB}🧩${TAB}${CL}"
-CLOUD="${TAB}☁️${TAB}${CL}"
-
 THIN="discard=on,ssd=1,"
-set -e
+
+header_info
+echo -e "\n Loading..."
+set -Eeo pipefail
+shopt -s inherit_errexit
 trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
 trap cleanup EXIT
 trap 'post_update_to_api "failed" "130"' SIGINT
 trap 'post_update_to_api "failed" "143"' SIGTERM
 trap 'post_update_to_api "failed" "129"; exit 129' SIGHUP
-function error_handler() {
-  local exit_code="$?"
-  local line_number="$1"
-  local command="$2"
-  local error_message="${RD}[ERROR]${CL} in line ${RD}$line_number${CL}: exit code ${RD}$exit_code${CL}: while executing command ${YW}$command${CL}"
-  post_update_to_api "failed" "${exit_code}"
-  echo -e "\n$error_message\n"
-  cleanup_vmid
-}
 
-function get_valid_nextid() {
-  local try_id
-  try_id=$(pvesh get /cluster/nextid)
-  while true; do
-    if [ -f "/etc/pve/qemu-server/${try_id}.conf" ] || [ -f "/etc/pve/lxc/${try_id}.conf" ]; then
-      try_id=$((try_id + 1))
-      continue
-    fi
-    if lvs --noheadings -o lv_name | grep -qE "(^|[-_])${try_id}($|[-_])"; then
-      try_id=$((try_id + 1))
-      continue
-    fi
-    break
-  done
-  echo "$try_id"
-}
-
-function cleanup_vmid() {
-  if qm status $VMID &>/dev/null; then
-    qm stop $VMID &>/dev/null
-    qm destroy $VMID &>/dev/null
-  fi
-}
-
-function cleanup() {
-  local exit_code=$?
-  popd >/dev/null
-  if [[ "${POST_TO_API_DONE:-}" == "true" && "${POST_UPDATE_DONE:-}" != "true" ]]; then
-    if [[ $exit_code -eq 0 ]]; then
-      post_update_to_api "done" "none"
-    else
-      post_update_to_api "failed" "$exit_code"
-    fi
-  fi
-  rm -rf $TEMP_DIR
-}
+vm_require_arch amd64
 
 TEMP_DIR=$(mktemp -d)
-pushd $TEMP_DIR >/dev/null
-if whiptail --backtitle "Proxmox VE Helper Scripts" --title "Owncloud VM" --yesno "This will create a New Owncloud VM. Proceed?" 10 58; then
-  :
-else
-  header_info && echo -e "${CROSS}${RD}User exited script${CL}\n" && exit
-fi
-
-function msg_info() {
-  local msg="$1"
-  echo -ne "${TAB}${YW}${HOLD}${msg}${HOLD}"
-}
-
-function msg_ok() {
-  local msg="$1"
-  echo -e "${BFR}${CM}${GN}${msg}${CL}"
-}
-
-function msg_error() {
-  local msg="$1"
-  echo -e "${BFR}${CROSS}${RD}${msg}${CL}"
-}
-
-function check_root() {
-  if [[ "$(id -u)" -ne 0 || $(ps -o comm= -p $PPID) == "sudo" ]]; then
-    clear
-    msg_error "Please run this script as root."
-    echo -e "\nExiting..."
-    sleep 2
-    exit
-  fi
-}
-
-# This function checks the version of Proxmox Virtual Environment (PVE) and exits if the version is not supported.
-# Supported: Proxmox VE 8.0.x – 8.9.x, 9.0 and 9.2
-pve_check() {
-  local PVE_VER
-  PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
-
-  # Check for Proxmox VE 8.x: allow 8.0–8.9
-  if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
-    local MINOR="${BASH_REMATCH[1]}"
-    if ((MINOR < 0 || MINOR > 9)); then
-      msg_error "This version of Proxmox VE is not supported."
-      msg_error "Supported: Proxmox VE version 8.0 – 8.9"
-      exit 105
-    fi
-    return 0
-  fi
-
-  # Check for Proxmox VE 9.x: allow 9.0 and 9.2
-  if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
-    local MINOR="${BASH_REMATCH[1]}"
-    if ((MINOR < 0 || MINOR > 2)); then
-      msg_error "This version of Proxmox VE is not supported."
-      msg_error "Supported: Proxmox VE version 9.0 – 9.2"
-      exit 105
-    fi
-    return 0
-  fi
-
-  # All other unsupported versions
-  msg_error "This version of Proxmox VE is not supported."
-  msg_error "Supported versions: Proxmox VE 8.0 – 8.x or 9.0 – 9.2"
-  exit 105
-}
-
-function arch_check() {
-  if [ "$(dpkg --print-architecture)" != "amd64" ]; then
-    echo -e "\n ${INFO}${YWB}This script will not work with PiMox! \n"
-    echo -e "\n ${YWB}Visit https://github.com/asylumexp/Proxmox for ARM64 support. \n"
-    echo -e "Exiting..."
-    sleep 2
-    exit
-  fi
-}
-
-function ssh_check() {
-  if command -v pveversion >/dev/null 2>&1; then
-    if [ -n "${SSH_CLIENT:+x}" ]; then
-      if whiptail --backtitle "Proxmox VE Helper Scripts" --defaultno --title "SSH DETECTED" --yesno "It's suggested to use the Proxmox shell instead of SSH, since SSH can create issues while gathering variables. Would you like to proceed with using SSH?" 10 62; then
-        echo "you've been warned"
-      else
-        clear
-        exit
-      fi
-    fi
-  fi
-}
-
-function exit-script() {
-  clear
-  echo -e "\n${CROSS}${RD}User exited script${CL}\n"
-  exit
-}
+pushd "$TEMP_DIR" >/dev/null
 
 function default_settings() {
+  vm_apply_machine_type "i440fx"
   VMID=$(get_valid_nextid)
-  FORMAT=",efitype=4m"
-  MACHINE=""
   DISK_SIZE="10G"
   DISK_CACHE=""
   HN="owncloud-vm"
@@ -226,222 +49,29 @@ function default_settings() {
   MTU=""
   START_VM="yes"
   METHOD="default"
-  echo -e "${CONTAINERID}${BOLD}${DGN}Virtual Machine ID: ${BGN}${VMID}${CL}"
-  echo -e "${CONTAINERTYPE}${BOLD}${DGN}Machine Type: ${BGN}i440fx${CL}"
-  echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}${DISK_SIZE}${CL}"
-  echo -e "${DISKSIZE}${BOLD}${DGN}Disk Cache: ${BGN}None${CL}"
-  echo -e "${HOSTNAME}${BOLD}${DGN}Hostname: ${BGN}${HN}${CL}"
-  echo -e "${OS}${BOLD}${DGN}CPU Model: ${BGN}KVM64${CL}"
-  echo -e "${CPUCORE}${BOLD}${DGN}CPU Cores: ${BGN}${CORE_COUNT}${CL}"
-  echo -e "${RAMSIZE}${BOLD}${DGN}RAM Size: ${BGN}${RAM_SIZE}${CL}"
-  echo -e "${BRIDGE}${BOLD}${DGN}Bridge: ${BGN}${BRG}${CL}"
-  echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}${MAC}${CL}"
-  echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}Default${CL}"
-  echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}Default${CL}"
-  echo -e "${GATEWAY}${BOLD}${DGN}Start VM when completed: ${BGN}yes${CL}"
-  echo -e "${CREATING}${BOLD}${DGN}Creating a Owncloud VM using the above default settings${CL}"
+  vm_echo_default_settings
 }
 
 function advanced_settings() {
   METHOD="advanced"
-  [ -z "${VMID:-}" ] && VMID=$(get_valid_nextid)
-  while true; do
-    if VMID=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Virtual Machine ID" 8 58 $VMID --title "VIRTUAL MACHINE ID" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-      if [ -z "$VMID" ]; then
-        VMID=$(get_valid_nextid)
-      fi
-      if pct status "$VMID" &>/dev/null || qm status "$VMID" &>/dev/null; then
-        echo -e "${CROSS}${RD} ID $VMID is already in use${CL}"
-        sleep 2
-        continue
-      fi
-      echo -e "${CONTAINERID}${BOLD}${DGN}Virtual Machine ID: ${BGN}$VMID${CL}"
-      break
-    else
-      exit-script
-    fi
-  done
+  vm_prompt_vmid "${VMID:-$(get_valid_nextid)}"
+  vm_prompt_machine_type "i440fx"
+  vm_prompt_disk_size "10G"
+  vm_prompt_disk_cache "none"
+  vm_prompt_hostname "owncloud-vm"
+  vm_prompt_cpu_model "kvm64"
+  vm_prompt_cpu_cores "2"
+  vm_prompt_ram "2048"
+  vm_prompt_bridge "vmbr0"
+  vm_prompt_mac "$GEN_MAC"
+  vm_prompt_vlan
+  vm_prompt_mtu
+  vm_prompt_keyboard
+  vm_prompt_verbose "no"
+  vm_prompt_start_vm "yes"
 
-  if MACH=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "MACHINE TYPE" --radiolist --cancel-button Exit-Script "Choose Type" 10 58 2 \
-    "i440fx" "Machine i440fx" ON \
-    "q35" "Machine q35" OFF \
-    3>&1 1>&2 2>&3); then
-    if [ $MACH = q35 ]; then
-      echo -e "${CONTAINERTYPE}${BOLD}${DGN}Machine Type: ${BGN}$MACH${CL}"
-      FORMAT=""
-      MACHINE=" -machine q35"
-    else
-      echo -e "${CONTAINERTYPE}${BOLD}${DGN}Machine Type: ${BGN}$MACH${CL}"
-      FORMAT=",efitype=4m"
-      MACHINE=""
-    fi
-  else
-    exit-script
-  fi
-
-  if DISK_SIZE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Disk Size in GiB (e.g., 10, 20)" 8 58 "$DISK_SIZE" --title "DISK SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-    DISK_SIZE=$(echo "$DISK_SIZE" | tr -d ' ')
-    if [[ "$DISK_SIZE" =~ ^[0-9]+$ ]]; then
-      DISK_SIZE="${DISK_SIZE}G"
-      echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}$DISK_SIZE${CL}"
-    elif [[ "$DISK_SIZE" =~ ^[0-9]+G$ ]]; then
-      echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}$DISK_SIZE${CL}"
-    else
-      echo -e "${DISKSIZE}${BOLD}${RD}Invalid Disk Size. Please use a number (e.g., 10 or 10G).${CL}"
-      exit-script
-    fi
-  else
-    exit-script
-  fi
-
-  if DISK_CACHE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "DISK CACHE" --radiolist "Choose" --cancel-button Exit-Script 10 58 2 \
-    "0" "None (Default)" ON \
-    "1" "Write Through" OFF \
-    3>&1 1>&2 2>&3); then
-    if [ $DISK_CACHE = "1" ]; then
-      echo -e "${DISKSIZE}${BOLD}${DGN}Disk Cache: ${BGN}Write Through${CL}"
-      DISK_CACHE="cache=writethrough,"
-    else
-      echo -e "${DISKSIZE}${BOLD}${DGN}Disk Cache: ${BGN}None${CL}"
-      DISK_CACHE=""
-    fi
-  else
-    exit-script
-  fi
-
-  if VM_NAME=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Hostname" 8 58 owncloud-vm --title "HOSTNAME" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-    if [ -z $VM_NAME ]; then
-      HN="owncloud-vm"
-      echo -e "${HOSTNAME}${BOLD}${DGN}Hostname: ${BGN}$HN${CL}"
-    else
-      HN=$(echo "${VM_NAME,,}" | tr -cs 'a-z0-9-' '-' | sed 's/^-//;s/-$//')
-      if [ "$HN" != "${VM_NAME,,}" ]; then
-        whiptail --backtitle "Proxmox VE Helper Scripts" --title "HOSTNAME ADJUSTED" --msgbox "Invalid characters detected. Hostname has been adjusted to:\n\n  $HN" 10 58
-      fi
-      echo -e "${HOSTNAME}${BOLD}${DGN}Hostname: ${BGN}$HN${CL}"
-    fi
-  else
-    exit-script
-  fi
-
-  if CPU_TYPE1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "CPU MODEL" --radiolist "Choose" --cancel-button Exit-Script 10 58 2 \
-    "0" "KVM64 (Default)" ON \
-    "1" "Host" OFF \
-    3>&1 1>&2 2>&3); then
-    if [ $CPU_TYPE1 = "1" ]; then
-      echo -e "${OS}${BOLD}${DGN}CPU Model: ${BGN}Host${CL}"
-      CPU_TYPE=" -cpu host"
-    else
-      echo -e "${OS}${BOLD}${DGN}CPU Model: ${BGN}KVM64${CL}"
-      CPU_TYPE=""
-    fi
-  else
-    exit-script
-  fi
-
-  while true; do
-    if CORE_COUNT=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Allocate CPU Cores" 8 58 2 --title "CORE COUNT" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-      if [ -z "$CORE_COUNT" ]; then CORE_COUNT="2"; fi
-      if [[ "$CORE_COUNT" =~ ^[1-9][0-9]*$ ]]; then
-        echo -e "${CPUCORE}${BOLD}${DGN}CPU Cores: ${BGN}$CORE_COUNT${CL}"
-        break
-      fi
-      whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "CPU Cores must be a positive integer (e.g., 2)." 8 58
-    else
-      exit-script
-    fi
-  done
-
-  while true; do
-    if RAM_SIZE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Allocate RAM in MiB" 8 58 2048 --title "RAM" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-      if [ -z "$RAM_SIZE" ]; then RAM_SIZE="2048"; fi
-      if [[ "$RAM_SIZE" =~ ^[1-9][0-9]*$ ]]; then
-        echo -e "${RAMSIZE}${BOLD}${DGN}RAM Size: ${BGN}$RAM_SIZE${CL}"
-        break
-      fi
-      whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "RAM Size must be a positive integer in MiB (e.g., 2048)." 8 58
-    else
-      exit-script
-    fi
-  done
-
-  if BRG=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a Bridge" 8 58 vmbr0 --title "BRIDGE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-    if [ -z $BRG ]; then
-      BRG="vmbr0"
-      echo -e "${BRIDGE}${BOLD}${DGN}Bridge: ${BGN}$BRG${CL}"
-    else
-      echo -e "${BRIDGE}${BOLD}${DGN}Bridge: ${BGN}$BRG${CL}"
-    fi
-  else
-    exit-script
-  fi
-
-  while true; do
-    if MAC1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a MAC Address" 8 58 $GEN_MAC --title "MAC ADDRESS" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-      if [ -z "$MAC1" ]; then
-        MAC="$GEN_MAC"
-        echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}$MAC${CL}"
-        break
-      fi
-      if [[ "$MAC1" =~ ^([0-9A-Fa-f]{2}:){5}[0-9A-Fa-f]{2}$ ]]; then
-        MAC="$MAC1"
-        echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}$MAC1${CL}"
-        break
-      fi
-      whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "Invalid MAC address format. Use XX:XX:XX:XX:XX:XX (e.g., AA:BB:CC:DD:EE:FF)." 8 58
-    else
-      exit-script
-    fi
-  done
-
-  while true; do
-    if VLAN1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a Vlan(leave blank for default)" 8 58 --title "VLAN" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-      if [ -z "$VLAN1" ]; then
-        VLAN1="Default"
-        VLAN=""
-        echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}$VLAN1${CL}"
-        break
-      fi
-      if [[ "$VLAN1" =~ ^[0-9]+$ ]] && [ "$VLAN1" -ge 1 ] && [ "$VLAN1" -le 4094 ]; then
-        VLAN=",tag=$VLAN1"
-        echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}$VLAN1${CL}"
-        break
-      fi
-      whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "VLAN must be a number between 1 and 4094, or leave blank for default." 8 58
-    else
-      exit-script
-    fi
-  done
-
-  while true; do
-    if MTU1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-      if [ -z "$MTU1" ]; then
-        MTU1="Default"
-        MTU=""
-        echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}$MTU1${CL}"
-        break
-      fi
-      if [[ "$MTU1" =~ ^[0-9]+$ ]] && [ "$MTU1" -ge 576 ] && [ "$MTU1" -le 65520 ]; then
-        MTU=",mtu=$MTU1"
-        echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}$MTU1${CL}"
-        break
-      fi
-      whiptail --backtitle "Proxmox VE Helper Scripts" --title "INVALID INPUT" --msgbox "MTU Size must be a number between 576 and 65520, or leave blank for default." 8 58
-    else
-      exit-script
-    fi
-  done
-
-  if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "START VIRTUAL MACHINE" --yesno "Start VM when completed?" 10 58); then
-    echo -e "${GATEWAY}${BOLD}${DGN}Start VM when completed: ${BGN}yes${CL}"
-    START_VM="yes"
-  else
-    echo -e "${GATEWAY}${BOLD}${DGN}Start VM when completed: ${BGN}no${CL}"
-    START_VM="no"
-  fi
-
-  if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "ADVANCED SETTINGS COMPLETE" --yesno "Ready to create a Owncloud VM?" --no-button Do-Over 10 58); then
-    echo -e "${CREATING}${BOLD}${DGN}Creating a Owncloud VM using the above advanced settings${CL}"
+  if vm_confirm_advanced_settings "Ready to create a ownCloud VM?"; then
+    echo -e "${CREATING}${BOLD}${DGN}Creating a ownCloud VM using the above advanced settings${CL}"
   else
     header_info
     echo -e "${ADVANCED}${BOLD}${RD}Using Advanced Settings${CL}"
@@ -449,158 +79,36 @@ function advanced_settings() {
   fi
 }
 
-function start_script() {
-  if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "SETTINGS" --yesno "Use Default Settings?" --no-button Advanced 10 58); then
-    header_info
-    echo -e "${DEFAULT}${BOLD}${BL}Using Default Settings${CL}"
-    default_settings
-  else
-    header_info
-    echo -e "${ADVANCED}${BOLD}${RD}Using Advanced Settings${CL}"
-    advanced_settings
-  fi
-}
-
-function start_script() {
-  if (whiptail --backtitle "Proxmox VE Helper Scripts" --title "SETTINGS" --yesno "Use Default Settings?" --no-button Advanced 10 58); then
-    header_info
-    echo -e "${BL}Using Default Settings${CL}"
-    default_settings
-  else
-    header_info
-    echo -e "${RD}Using Advanced Settings${CL}"
-    advanced_settings
-  fi
-}
-
-check_root
-arch_check
-pve_check
-ssh_check
-start_script
+vm_preflight
+vm_start_script "Use Default Settings?\n\nDefaults:\n• 2 CPU Cores\n• 2 GB RAM\n• 10 GB Disk" 13 58
 
 post_to_api_vm
 
-msg_info "Validating Storage"
-while read -r line; do
-  TAG=$(echo $line | awk '{print $1}')
-  TYPE=$(echo $line | awk '{printf "%-10s", $2}')
-  FREE=$(echo $line | numfmt --field 4-6 --from-unit=K --to=iec --format %.2f | awk '{printf( "%9sB", $6)}')
-  ITEM="  Type: $TYPE Free: $FREE "
-  OFFSET=2
-  if [[ $((${#ITEM} + $OFFSET)) -gt ${MSG_MAX_LENGTH:-} ]]; then
-    MSG_MAX_LENGTH=$((${#ITEM} + $OFFSET))
-  fi
-  STORAGE_MENU+=("$TAG" "$ITEM" "OFF")
-done < <(pvesm status -content images | awk 'NR>1')
-VALID=$(pvesm status -content images | awk 'NR>1')
-if [ -z "$VALID" ]; then
-  msg_error "Unable to detect a valid storage location."
-  exit
-elif [ $((${#STORAGE_MENU[@]} / 3)) -eq 1 ]; then
-  STORAGE=${STORAGE_MENU[0]}
-else
-  while [ -z "${STORAGE:+x}" ]; do
-    STORAGE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Storage Pools" --radiolist \
-      "Which storage pool would you like to use for ${HN}?\nTo make a selection, use the Spacebar.\n" \
-      16 $(($MSG_MAX_LENGTH + 23)) 6 \
-      "${STORAGE_MENU[@]}" 3>&1 1>&2 2>&3)
-  done
-fi
-msg_ok "Using ${CL}${BL}$STORAGE${CL} ${GN}for Storage Location."
-msg_ok "Virtual Machine ID is ${CL}${BL}$VMID${CL}."
-msg_info "Retrieving the URL for the $APP Disk Image"
-URL=http://mirror.turnkeylinux.org/turnkeylinux/images/iso/turnkey-owncloud-18.0-bookworm-amd64.iso
+vm_select_storage "$HN"
+msg_info "Retrieving the $APP installer ISO"
+URL=https://mirror.turnkeylinux.org/turnkeylinux/images/iso/turnkey-owncloud-19.0-trixie-amd64.iso
 sleep 2
 msg_ok "${CL}${BL}${URL}${CL}"
-curl -f#SL -o "$(basename "$URL")" "$URL"
-echo -en "\e[1A\e[0K"
-FILE=$(basename $URL)
-msg_ok "Downloaded ${CL}${BL}${FILE}${CL}"
-
-STORAGE_TYPE=$(pvesm status -storage $STORAGE | awk 'NR>1 {print $2}')
-case $STORAGE_TYPE in
-nfs | dir)
-  DISK_EXT=".raw"
-  DISK_REF="$VMID/"
-  DISK_IMPORT="-format raw"
-  THIN=""
-  ;;
-btrfs)
-  DISK_EXT=".raw"
-  DISK_REF="$VMID/"
-  DISK_IMPORT="-format raw"
-  FORMAT=",efitype=4m"
-  THIN=""
-  ;;
-*)
-  DISK_EXT=""
-  DISK_REF=""
-  DISK_IMPORT="-format raw"
-  ;;
-esac
-for i in {0,1,2}; do
-  disk="DISK$i"
-  eval DISK${i}=vm-${VMID}-disk-${i}${DISK_EXT:-}
-  eval DISK${i}_REF=${STORAGE}:${DISK_REF:-}${!disk}
-done
+vm_select_iso_storage "$(basename "$URL")" "$HN"
+vm_fetch_image "$URL" "$ISO_PATH" --cache --min-bytes $((100 * 1024 * 1024)) || exit 115
 
+vm_claim_vmid
 msg_info "Creating a $APP"
-qm create $VMID -agent 1${MACHINE} -tablet 0 -localtime 1 -bios seabios${CPU_TYPE} -cores $CORE_COUNT -memory $RAM_SIZE \
-  -name $HN -tags community-script -net0 virtio,bridge=$BRG,macaddr=$MAC$VLAN$MTU -onboot 1 -ostype l26 -scsihw virtio-scsi-pci
-pvesm alloc $STORAGE $VMID $DISK0 4M 1>&/dev/null
-pvesm alloc $STORAGE $VMID $DISK1 12G 1>&/dev/null
-qm importdisk $VMID ${FILE} $STORAGE ${DISK_IMPORT:-} 1>&/dev/null
-qm set $VMID \
-  -efidisk0 ${DISK0_REF}${FORMAT} \
-  -scsi0 ${DISK1_REF},${DISK_CACHE}${THIN} \
-  -scsi1 ${DISK2_REF},${DISK_CACHE}${THIN} \
-  -boot order='scsi1;scsi0' >/dev/null
+qm create $VMID -agent 1${MACHINE} -tablet 0 -bios seabios${CPU_TYPE} -cores $CORE_COUNT -memory $RAM_SIZE \
+  -name $HN -tags community-script -net0 virtio,bridge=$BRG,macaddr=$MAC$VLAN$MTU -onboot 1 -ostype l26 -scsihw virtio-scsi-pci \
+  -scsi0 "${STORAGE}:${DISK_SIZE%G},${DISK_CACHE}${THIN%,}" \
+  -cdrom "$ISO_VOLUME" -boot order='scsi0;ide2' >/dev/null
+vm_mark_created
 
-DESCRIPTION=$(
-  cat <<EOF
-<div align='center'>
-  <a href='https://community-scripts.org' target='_blank' rel='noopener noreferrer'>
-    <img src='https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/images/logo-81x112.png' alt='Logo' style='width:81px;height:112px;'/>
-  </a>
-
-  <h2 style='font-size: 24px; margin: 20px 0;'>Owncloud VM</h2>
-
-  <p style='margin: 16px 0;'>
-    <a href='https://ko-fi.com/community_scripts' target='_blank' rel='noopener noreferrer'>
-      <img src='https://img.shields.io/badge/&#x2615;-Buy us a coffee-blue' alt='spend Coffee' />
-    </a>
-  </p>
-  
-  <span style='margin: 0 10px;'>
-    <i class="fa fa-github fa-fw" style="color: #f5f5f5;"></i>
-    <a href='https://github.com/community-scripts/ProxmoxVE' target='_blank' rel='noopener noreferrer' style='text-decoration: none; color: #00617f;'>GitHub</a>
-  </span>
-  <span style='margin: 0 10px;'>
-    <i class="fa fa-comments fa-fw" style="color: #f5f5f5;"></i>
-    <a href='https://github.com/community-scripts/ProxmoxVE/discussions' target='_blank' rel='noopener noreferrer' style='text-decoration: none; color: #00617f;'>Discussions</a>
-  </span>
-  <span style='margin: 0 10px;'>
-    <i class="fa fa-exclamation-circle fa-fw" style="color: #f5f5f5;"></i>
-    <a href='https://github.com/community-scripts/ProxmoxVE/issues' target='_blank' rel='noopener noreferrer' style='text-decoration: none; color: #00617f;'>Issues</a>
-  </span>
-</div>
-EOF
-)
-qm set $VMID -description "$DESCRIPTION" >/dev/null
-if [ -n "$DISK_SIZE" ]; then
-  msg_info "Resizing disk to $DISK_SIZE GB"
-  qm resize $VMID scsi0 ${DISK_SIZE} >/dev/null
-else
-  msg_info "Using default disk size of $DEFAULT_DISK_SIZE GB"
-  qm resize $VMID scsi0 ${DEFAULT_DISK_SIZE} >/dev/null
-fi
+set_description
 
 msg_ok "Created a $APP ${CL}${BL}(${HN})"
-if [ "$START_VM" == "yes" ]; then
-  msg_info "Starting $APP"
-  qm start $VMID
-  msg_ok "Started $APP"
-fi
-post_update_to_api "done" "none"
-msg_ok "Completed successfully!\n"
+vm_start_vm "$APP"
+vm_print_summary "Version=TurnKey ownCloud ${var_version}" "Installer=$(basename "$URL")" "Web UI=https://<VM-IP>/" "Webmin=https://<VM-IP>:12321/"
+vm_next_steps \
+  "Open the VM Console in Proxmox and complete the TurnKey installer." \
+  "Set the root, ownCloud admin, and database credentials when prompted." \
+  "After installation, detach the ISO: qm set ${VMID} --ide2 none." \
+  "Start or reboot the VM, then open https://<VM-IP>/ for ownCloud." \
+  "Manage the appliance through Webmin at https://<VM-IP>:12321/."
+vm_finish "VM created; complete the TurnKey ownCloud installation in the Proxmox console."