ProxmoxVED/misc/core.func
2026-01-27 13:26:31 +01:00

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#!/usr/bin/env bash
# Copyright (c) 2021-2026 community-scripts ORG
# License: MIT | https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/LICENSE
# ==============================================================================
# CORE FUNCTIONS - LXC CONTAINER UTILITIES
# ==============================================================================
#
# This file provides core utility functions for LXC container management
# including colors, formatting, validation checks, message output, and
# execution helpers used throughout the Community-Scripts ecosystem.
#
# Usage:
# source <(curl -fsSL https://git.community-scripts.org/.../core.func)
# load_functions
#
# ==============================================================================
[[ -n "${_CORE_FUNC_LOADED:-}" ]] && return
_CORE_FUNC_LOADED=1
# ==============================================================================
# SECTION 1: INITIALIZATION & SETUP
# ==============================================================================
# ------------------------------------------------------------------------------
# load_functions()
#
# - Initializes all core utility groups (colors, formatting, icons, defaults)
# - Ensures functions are loaded only once via __FUNCTIONS_LOADED flag
# - Must be called at start of any script using these utilities
# ------------------------------------------------------------------------------
load_functions() {
[[ -n "${__FUNCTIONS_LOADED:-}" ]] && return
__FUNCTIONS_LOADED=1
color
formatting
icons
default_vars
set_std_mode
}
# ------------------------------------------------------------------------------
# color()
#
# - Sets ANSI color codes for styled terminal output
# - Variables: YW (yellow), YWB (yellow bright), BL (blue), RD (red)
# GN (green), DGN (dark green), BGN (background green), CL (clear)
# ------------------------------------------------------------------------------
color() {
YW=$(echo "\033[33m")
YWB=$'\e[93m'
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")
}
# ------------------------------------------------------------------------------
# color_spinner()
#
# - Sets ANSI color codes specifically for spinner animation
# - Variables: CS_YW (spinner yellow), CS_YWB (spinner yellow bright),
# CS_CL (spinner clear)
# - Used by spinner() function to avoid color conflicts
# ------------------------------------------------------------------------------
color_spinner() {
CS_YW=$'\033[33m'
CS_YWB=$'\033[93m'
CS_CL=$'\033[m'
}
# ------------------------------------------------------------------------------
# formatting()
#
# - Defines formatting helpers for terminal output
# - BFR: Backspace and clear line sequence
# - BOLD: Bold text escape code
# - TAB/TAB3: Indentation spacing
# ------------------------------------------------------------------------------
formatting() {
BFR="\\r\\033[K"
BOLD=$(echo "\033[1m")
HOLD=" "
TAB=" "
TAB3=" "
}
# ------------------------------------------------------------------------------
# icons()
#
# - Sets symbolic emoji icons used throughout user feedback
# - Provides consistent visual indicators for success, error, info, etc.
# - Icons: CM (checkmark), CROSS (error), INFO (info), HOURGLASS (wait), etc.
# ------------------------------------------------------------------------------
icons() {
CM="${TAB}✔️${TAB}"
CROSS="${TAB}✖️${TAB}"
DNSOK="✔️ "
DNSFAIL="${TAB}✖️${TAB}"
INFO="${TAB}💡${TAB}${CL}"
OS="${TAB}🖥️${TAB}${CL}"
OSVERSION="${TAB}🌟${TAB}${CL}"
CONTAINERTYPE="${TAB}📦${TAB}${CL}"
DISKSIZE="${TAB}💾${TAB}${CL}"
CPUCORE="${TAB}🧠${TAB}${CL}"
RAMSIZE="${TAB}🛠️${TAB}${CL}"
SEARCH="${TAB}🔍${TAB}${CL}"
VERBOSE_CROPPED="🔍${TAB}"
VERIFYPW="${TAB}🔐${TAB}${CL}"
CONTAINERID="${TAB}🆔${TAB}${CL}"
HOSTNAME="${TAB}🏠${TAB}${CL}"
BRIDGE="${TAB}🌉${TAB}${CL}"
NETWORK="${TAB}📡${TAB}${CL}"
GATEWAY="${TAB}🌐${TAB}${CL}"
ICON_DISABLEIPV6="${TAB}🚫${TAB}${CL}"
DEFAULT="${TAB}⚙️${TAB}${CL}"
MACADDRESS="${TAB}🔗${TAB}${CL}"
VLANTAG="${TAB}🏷️${TAB}${CL}"
ROOTSSH="${TAB}🔑${TAB}${CL}"
CREATING="${TAB}🚀${TAB}${CL}"
ADVANCED="${TAB}🧩${TAB}${CL}"
FUSE="${TAB}🗂️${TAB}${CL}"
GPU="${TAB}🎮${TAB}${CL}"
HOURGLASS="${TAB}${TAB}"
}
# ------------------------------------------------------------------------------
# ensure_profile_loaded()
#
# - Sources /etc/profile.d/*.sh scripts if not already loaded
# - Fixes PATH issues when running via pct enter/exec (non-login shells)
# - Safe to call multiple times (uses guard variable)
# - Should be called in update_script() or any script running inside LXC
# ------------------------------------------------------------------------------
ensure_profile_loaded() {
# Skip if already loaded or running on Proxmox host
[[ -n "${_PROFILE_LOADED:-}" ]] && return
command -v pveversion &>/dev/null && return
# Source all profile.d scripts to ensure PATH is complete
if [[ -d /etc/profile.d ]]; then
for script in /etc/profile.d/*.sh; do
[[ -r "$script" ]] && source "$script"
done
fi
# Also ensure /usr/local/bin is in PATH (common install location)
if [[ ":$PATH:" != *":/usr/local/bin:"* ]]; then
export PATH="/usr/local/bin:$PATH"
fi
export _PROFILE_LOADED=1
}
# ------------------------------------------------------------------------------
# default_vars()
#
# - Sets default retry and wait variables used for system actions
# - RETRY_NUM: Maximum number of retry attempts (default: 10)
# - RETRY_EVERY: Seconds to wait between retries (default: 3)
# - i: Counter variable initialized to RETRY_NUM
# ------------------------------------------------------------------------------
default_vars() {
RETRY_NUM=10
RETRY_EVERY=3
i=$RETRY_NUM
}
# ------------------------------------------------------------------------------
# set_std_mode()
#
# - Sets default verbose mode for script and OS execution
# - If VERBOSE=yes: STD="" (show all output)
# - If VERBOSE=no: STD="silent" (suppress output via silent() wrapper)
# - If DEV_MODE_TRACE=true: Enables bash tracing (set -x)
# ------------------------------------------------------------------------------
set_std_mode() {
if [ "${VERBOSE:-no}" = "yes" ]; then
STD=""
else
STD="silent"
fi
# Enable bash tracing if trace mode active
if [[ "${DEV_MODE_TRACE:-false}" == "true" ]]; then
set -x
export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
fi
}
# ------------------------------------------------------------------------------
# parse_dev_mode()
#
# - Parses comma-separated dev_mode variable (e.g., "motd,keep,trace")
# - Sets global flags for each mode:
# * DEV_MODE_MOTD: Setup SSH/MOTD before installation
# * DEV_MODE_KEEP: Never delete container on failure
# * DEV_MODE_TRACE: Enable bash set -x tracing
# * DEV_MODE_PAUSE: Pause after each msg_info step
# * DEV_MODE_BREAKPOINT: Open shell on error instead of cleanup
# * DEV_MODE_LOGS: Persist all logs to /var/log/community-scripts/
# * DEV_MODE_DRYRUN: Show commands without executing
# - Call this early in script execution
# ------------------------------------------------------------------------------
parse_dev_mode() {
local mode
# Initialize all flags to false
export DEV_MODE_MOTD=false
export DEV_MODE_KEEP=false
export DEV_MODE_TRACE=false
export DEV_MODE_PAUSE=false
export DEV_MODE_BREAKPOINT=false
export DEV_MODE_LOGS=false
export DEV_MODE_DRYRUN=false
# Parse comma-separated modes
if [[ -n "${dev_mode:-}" ]]; then
IFS=',' read -ra MODES <<<"$dev_mode"
for mode in "${MODES[@]}"; do
mode="$(echo "$mode" | xargs)" # Trim whitespace
case "$mode" in
motd) export DEV_MODE_MOTD=true ;;
keep) export DEV_MODE_KEEP=true ;;
trace) export DEV_MODE_TRACE=true ;;
pause) export DEV_MODE_PAUSE=true ;;
breakpoint) export DEV_MODE_BREAKPOINT=true ;;
logs) export DEV_MODE_LOGS=true ;;
dryrun) export DEV_MODE_DRYRUN=true ;;
*)
if declare -f msg_warn >/dev/null 2>&1; then
msg_warn "Unknown dev_mode: '$mode' (ignored)"
else
echo "[WARN] Unknown dev_mode: '$mode' (ignored)" >&2
fi
;;
esac
done
# Show active dev modes
local active_modes=()
[[ $DEV_MODE_MOTD == true ]] && active_modes+=("motd")
[[ $DEV_MODE_KEEP == true ]] && active_modes+=("keep")
[[ $DEV_MODE_TRACE == true ]] && active_modes+=("trace")
[[ $DEV_MODE_PAUSE == true ]] && active_modes+=("pause")
[[ $DEV_MODE_BREAKPOINT == true ]] && active_modes+=("breakpoint")
[[ $DEV_MODE_LOGS == true ]] && active_modes+=("logs")
[[ $DEV_MODE_DRYRUN == true ]] && active_modes+=("dryrun")
if [[ ${#active_modes[@]} -gt 0 ]]; then
if declare -f msg_custom >/dev/null 2>&1; then
msg_custom "🔧" "${YWB}" "Dev modes active: ${active_modes[*]}"
else
echo "[DEV] Active modes: ${active_modes[*]}" >&2
fi
fi
fi
}
# ==============================================================================
# SECTION 2: VALIDATION CHECKS
# ==============================================================================
# ------------------------------------------------------------------------------
# shell_check()
#
# - Verifies that the script is running under Bash shell
# - Exits with error message if different shell is detected
# - Required because scripts use Bash-specific features
# ------------------------------------------------------------------------------
shell_check() {
if [[ "$(ps -p $$ -o comm=)" != "bash" ]]; then
clear
msg_error "Your default shell is currently not set to Bash. To use these scripts, please switch to the Bash shell."
echo -e "\nExiting..."
sleep 2
exit
fi
}
# ------------------------------------------------------------------------------
# root_check()
#
# - Verifies script is running with root privileges
# - Detects if executed via sudo (which can cause issues)
# - Exits with error if not running as root directly
# ------------------------------------------------------------------------------
root_check() {
if [[ "$(id -u)" -ne 0 || $(ps -o comm= -p $PPID) == "sudo" ]]; then
clear
msg_error "Please run this script as root."
echo -e "\nExiting..."
sleep 2
exit
fi
}
# ------------------------------------------------------------------------------
# pve_check()
#
# - Validates Proxmox VE version compatibility
# - Supported: PVE 8.0-8.9 and PVE 9.0-9.1
# - Exits with error message if unsupported version detected
# ------------------------------------------------------------------------------
pve_check() {
local PVE_VER
PVE_VER="$(pveversion | awk -F'/' '{print $2}' | awk -F'-' '{print $1}')"
# Check for Proxmox VE 8.x: allow 8.08.9
if [[ "$PVE_VER" =~ ^8\.([0-9]+) ]]; then
local MINOR="${BASH_REMATCH[1]}"
if ((MINOR < 0 || MINOR > 9)); then
msg_error "This version of Proxmox VE is not supported."
msg_error "Supported: Proxmox VE version 8.0 8.9"
exit 1
fi
return 0
fi
# Check for Proxmox VE 9.x: allow 9.09.1
if [[ "$PVE_VER" =~ ^9\.([0-9]+) ]]; then
local MINOR="${BASH_REMATCH[1]}"
if ((MINOR < 0 || MINOR > 1)); then
msg_error "This version of Proxmox VE is not yet supported."
msg_error "Supported: Proxmox VE version 9.0 9.1"
exit 1
fi
return 0
fi
# All other unsupported versions
msg_error "This version of Proxmox VE is not supported."
msg_error "Supported versions: Proxmox VE 8.0 8.9 or 9.0 9.1"
exit 1
}
# ------------------------------------------------------------------------------
# arch_check()
#
# - Validates system architecture is amd64/x86_64
# - Exits with error message for unsupported architectures (e.g., ARM/PiMox)
# - Provides link to ARM64-compatible scripts
# ------------------------------------------------------------------------------
arch_check() {
if [ "$(dpkg --print-architecture)" != "amd64" ]; then
echo -e "\n ${INFO}${YWB}This script will not work with PiMox! \n"
echo -e "\n ${YWB}Visit https://github.com/asylumexp/Proxmox for ARM64 support. \n"
echo -e "Exiting..."
sleep 2
exit
fi
}
# ------------------------------------------------------------------------------
# ssh_check()
#
# - Detects if script is running over SSH connection
# - Warns user for external SSH connections (recommends Proxmox shell)
# - Skips warning for local/same-subnet connections
# - Does not abort execution, only warns
# ------------------------------------------------------------------------------
ssh_check() {
if [ -n "$SSH_CLIENT" ]; then
local client_ip=$(awk '{print $1}' <<<"$SSH_CLIENT")
local host_ip=$(hostname -I | awk '{print $1}')
# Check if connection is local (Proxmox WebUI or same machine)
# - localhost (127.0.0.1, ::1)
# - same IP as host
# - local network range (10.x, 172.16-31.x, 192.168.x)
if [[ "$client_ip" == "127.0.0.1" || "$client_ip" == "::1" || "$client_ip" == "$host_ip" ]]; then
return
fi
# Check if client is in same local network (optional, safer approach)
local host_subnet=$(echo "$host_ip" | cut -d. -f1-3)
local client_subnet=$(echo "$client_ip" | cut -d. -f1-3)
if [[ "$host_subnet" == "$client_subnet" ]]; then
return
fi
# Only warn for truly external connections
msg_warn "Running via external SSH (client: $client_ip)."
msg_warn "For better stability, consider using the Proxmox Shell (Console) instead."
fi
}
# ==============================================================================
# SECTION 3: EXECUTION HELPERS
# ==============================================================================
# ------------------------------------------------------------------------------
# get_active_logfile()
#
# - Returns the appropriate log file based on execution context
# - BUILD_LOG: Host operations (container creation)
# - INSTALL_LOG: Container operations (application installation)
# - Fallback to BUILD_LOG if neither is set
# ------------------------------------------------------------------------------
get_active_logfile() {
if [[ -n "${INSTALL_LOG:-}" ]]; then
echo "$INSTALL_LOG"
elif [[ -n "${BUILD_LOG:-}" ]]; then
echo "$BUILD_LOG"
else
# Fallback for legacy scripts
echo "/tmp/build-$(date +%Y%m%d_%H%M%S).log"
fi
}
# Legacy compatibility: SILENT_LOGFILE points to active log
SILENT_LOGFILE="$(get_active_logfile)"
# ------------------------------------------------------------------------------
# silent()
#
# - Executes command with output redirected to active log file
# - On error: displays last 10 lines of log and exits with original exit code
# - Temporarily disables error trap to capture exit code correctly
# - Sources explain_exit_code() for detailed error messages
# ------------------------------------------------------------------------------
silent() {
local cmd="$*"
local caller_line="${BASH_LINENO[0]:-unknown}"
local logfile="$(get_active_logfile)"
# Dryrun mode: Show command without executing
if [[ "${DEV_MODE_DRYRUN:-false}" == "true" ]]; then
if declare -f msg_custom >/dev/null 2>&1; then
msg_custom "🔍" "${BL}" "[DRYRUN] $cmd"
else
echo "[DRYRUN] $cmd" >&2
fi
return 0
fi
set +Eeuo pipefail
trap - ERR
"$@" >>"$logfile" 2>&1
local rc=$?
set -Eeuo pipefail
trap 'error_handler' ERR
if [[ $rc -ne 0 ]]; then
# Source explain_exit_code if needed
if ! declare -f explain_exit_code >/dev/null 2>&1; then
source <(curl -fsSL https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/misc/error_handler.func)
fi
local explanation
explanation="$(explain_exit_code "$rc")"
printf "\e[?25h"
msg_error "in line ${caller_line}: exit code ${rc} (${explanation})"
msg_custom "→" "${YWB}" "${cmd}"
if [[ -s "$logfile" ]]; then
local log_lines=$(wc -l <"$logfile")
echo "--- Last 10 lines of silent log ---"
tail -n 10 "$logfile"
echo "-----------------------------------"
# Show how to view full log if there are more lines
if [[ $log_lines -gt 10 ]]; then
msg_custom "📋" "${YW}" "View full log (${log_lines} lines): ${logfile}"
fi
fi
exit "$rc"
fi
}
# ------------------------------------------------------------------------------
# spinner()
#
# - Displays animated spinner with rotating characters (⠋ ⠙ ⠹ ⠸ ⠼ ⠴ ⠦ ⠧ ⠇ ⠏)
# - Shows SPINNER_MSG alongside animation
# - Runs in infinite loop until killed by stop_spinner()
# - Uses color_spinner() colors for output
# ------------------------------------------------------------------------------
spinner() {
local chars=(⠋ ⠙ ⠹ ⠸ ⠼ ⠴ ⠦ ⠧ ⠇ ⠏)
local msg="${SPINNER_MSG:-Processing...}"
local i=0
while true; do
local index=$((i++ % ${#chars[@]}))
printf "\r\033[2K%s %b" "${CS_YWB}${chars[$index]}${CS_CL}" "${CS_YWB}${msg}${CS_CL}"
sleep 0.1
done
}
# ------------------------------------------------------------------------------
# clear_line()
#
# - Clears current terminal line using tput or ANSI escape codes
# - Moves cursor to beginning of line (carriage return)
# - Erases from cursor to end of line
# - Fallback to ANSI codes if tput not available
# ------------------------------------------------------------------------------
clear_line() {
tput cr 2>/dev/null || echo -en "\r"
tput el 2>/dev/null || echo -en "\033[K"
}
# ------------------------------------------------------------------------------
# stop_spinner()
#
# - Stops running spinner process by PID
# - Reads PID from SPINNER_PID variable or /tmp/.spinner.pid file
# - Attempts graceful kill, then forced kill if needed
# - Cleans up temp file and resets terminal state
# - Unsets SPINNER_PID and SPINNER_MSG variables
# ------------------------------------------------------------------------------
stop_spinner() {
local pid="${SPINNER_PID:-}"
[[ -z "$pid" && -f /tmp/.spinner.pid ]] && pid=$(</tmp/.spinner.pid)
if [[ -n "$pid" && "$pid" =~ ^[0-9]+$ ]]; then
if kill "$pid" 2>/dev/null; then
sleep 0.05
kill -9 "$pid" 2>/dev/null || true
wait "$pid" 2>/dev/null || true
fi
rm -f /tmp/.spinner.pid
fi
unset SPINNER_PID SPINNER_MSG
stty sane 2>/dev/null || true
}
# ==============================================================================
# SECTION 4: MESSAGE OUTPUT
# ==============================================================================
# ------------------------------------------------------------------------------
# msg_info()
#
# - Displays informational message with spinner animation
# - Shows each unique message only once (tracked via MSG_INFO_SHOWN)
# - In verbose/Alpine mode: shows hourglass icon instead of spinner
# - Stops any existing spinner before starting new one
# - Backgrounds spinner process and stores PID for later cleanup
# ------------------------------------------------------------------------------
msg_info() {
local msg="$1"
[[ -z "$msg" ]] && return
if ! declare -p MSG_INFO_SHOWN &>/dev/null || ! declare -A MSG_INFO_SHOWN &>/dev/null; then
declare -gA MSG_INFO_SHOWN=()
fi
[[ -n "${MSG_INFO_SHOWN["$msg"]+x}" ]] && return
MSG_INFO_SHOWN["$msg"]=1
stop_spinner
SPINNER_MSG="$msg"
if is_verbose_mode || is_alpine; then
local HOURGLASS="${TAB}${TAB}"
printf "\r\e[2K%s %b" "$HOURGLASS" "${YW}${msg}${CL}" >&2
# Pause mode: Wait for Enter after each step
if [[ "${DEV_MODE_PAUSE:-false}" == "true" ]]; then
echo -en "\n${YWB}[PAUSE]${CL} Press Enter to continue..." >&2
read -r
fi
return
fi
color_spinner
spinner &
SPINNER_PID=$!
echo "$SPINNER_PID" >/tmp/.spinner.pid
disown "$SPINNER_PID" 2>/dev/null || true
# Pause mode: Stop spinner and wait
if [[ "${DEV_MODE_PAUSE:-false}" == "true" ]]; then
stop_spinner
echo -en "\n${YWB}[PAUSE]${CL} Press Enter to continue..." >&2
read -r
fi
}
# ------------------------------------------------------------------------------
# msg_ok()
#
# - Displays success message with checkmark icon
# - Stops spinner and clears line before output
# - Removes message from MSG_INFO_SHOWN to allow re-display
# - Uses green color for success indication
# ------------------------------------------------------------------------------
msg_ok() {
local msg="$1"
[[ -z "$msg" ]] && return
stop_spinner
clear_line
echo -e "$CM ${GN}${msg}${CL}"
local sanitized_msg
sanitized_msg=$(printf '%s' "$msg" | sed 's/\x1b\[[0-9;]*m//g; s/[^a-zA-Z0-9_]/_/g')
unset 'MSG_INFO_SHOWN['"$sanitized_msg"']' 2>/dev/null || true
}
# ------------------------------------------------------------------------------
# msg_error()
#
# - Displays error message with cross/X icon
# - Stops spinner before output
# - Uses red color for error indication
# - Outputs to stderr
# ------------------------------------------------------------------------------
msg_error() {
stop_spinner
local msg="$1"
echo -e "${BFR:-}${CROSS:-✖️} ${RD}${msg}${CL}" >&2
}
# ------------------------------------------------------------------------------
# msg_warn()
#
# - Displays warning message with info/lightbulb icon
# - Stops spinner before output
# - Uses bright yellow color for warning indication
# - Outputs to stderr
# ------------------------------------------------------------------------------
msg_warn() {
stop_spinner
local msg="$1"
echo -e "${BFR:-}${INFO:-} ${YWB}${msg}${CL}" >&2
}
# ------------------------------------------------------------------------------
# msg_custom()
#
# - Displays custom message with user-defined symbol and color
# - Arguments: symbol, color code, message text
# - Stops spinner before output
# - Useful for specialized status messages
# ------------------------------------------------------------------------------
msg_custom() {
local symbol="${1:-"[*]"}"
local color="${2:-"\e[36m"}"
local msg="${3:-}"
[[ -z "$msg" ]] && return
stop_spinner
echo -e "${BFR:-} ${symbol} ${color}${msg}${CL:-\e[0m}"
}
# ------------------------------------------------------------------------------
# msg_debug()
#
# - Displays debug message with timestamp when var_full_verbose=1
# - Automatically enables var_verbose if not already set
# - Shows date/time prefix for log correlation
# - Uses bright yellow color for debug output
# ------------------------------------------------------------------------------
msg_debug() {
if [[ "${var_full_verbose:-0}" == "1" ]]; then
[[ "${var_verbose:-0}" != "1" ]] && var_verbose=1
echo -e "${YWB}[$(date '+%F %T')] [DEBUG]${CL} $*"
fi
}
# ------------------------------------------------------------------------------
# msg_dev()
#
# - Display development mode messages with 🔧 icon
# - Only shown when dev_mode is active
# - Useful for debugging and development-specific output
# - Format: [DEV] message with distinct formatting
# - Usage: msg_dev "Container ready for debugging"
# ------------------------------------------------------------------------------
msg_dev() {
if [[ -n "${dev_mode:-}" ]]; then
echo -e "${SEARCH}${BOLD}${DGN}🔧 [DEV]${CL} $*"
fi
}
#
# - Displays error message and immediately terminates script
# - Sends SIGINT to current process to trigger error handler
# - Use for unrecoverable errors that require immediate exit
# ------------------------------------------------------------------------------
fatal() {
msg_error "$1"
kill -INT $$
}
# ==============================================================================
# SECTION 5: UTILITY FUNCTIONS
# ==============================================================================
# ------------------------------------------------------------------------------
# exit_script()
#
# - Called when user cancels an action
# - Clears screen and displays exit message
# - Exits with default exit code
# ------------------------------------------------------------------------------
exit_script() {
clear
echo -e "\n${CROSS}${RD}User exited script${CL}\n"
exit
}
# ------------------------------------------------------------------------------
# get_header()
#
# - Downloads and caches application header ASCII art
# - Falls back to local cache if already downloaded
# - Determines app type (ct/vm) from APP_TYPE variable
# - Returns header content or empty string on failure
# ------------------------------------------------------------------------------
get_header() {
local app_name=$(echo "${APP,,}" | tr -d ' ')
local app_type=${APP_TYPE:-ct} # Default to 'ct' if not set
local header_url="https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/${app_type}/headers/${app_name}"
local local_header_path="/usr/local/community-scripts/headers/${app_type}/${app_name}"
mkdir -p "$(dirname "$local_header_path")"
if [ ! -s "$local_header_path" ]; then
if ! curl -fsSL "$header_url" -o "$local_header_path"; then
return 1
fi
fi
cat "$local_header_path" 2>/dev/null || true
}
# ------------------------------------------------------------------------------
# header_info()
#
# - Displays application header ASCII art at top of screen
# - Clears screen before displaying header
# - Detects terminal width for formatting
# - Returns silently if header not available
# ------------------------------------------------------------------------------
header_info() {
local app_name=$(echo "${APP,,}" | tr -d ' ')
local header_content
header_content=$(get_header "$app_name") || header_content=""
clear
local term_width
term_width=$(tput cols 2>/dev/null || echo 120)
if [ -n "$header_content" ]; then
echo "$header_content"
fi
}
# ------------------------------------------------------------------------------
# ensure_tput()
#
# - Ensures tput command is available for terminal control
# - Installs ncurses-bin on Debian/Ubuntu or ncurses on Alpine
# - Required for clear_line() and terminal width detection
# ------------------------------------------------------------------------------
ensure_tput() {
if ! command -v tput >/dev/null 2>&1; then
if grep -qi 'alpine' /etc/os-release; then
apk add --no-cache ncurses >/dev/null 2>&1
elif command -v apt-get >/dev/null 2>&1; then
apt-get update -qq >/dev/null
apt-get install -y -qq ncurses-bin >/dev/null 2>&1
fi
fi
}
# ------------------------------------------------------------------------------
# is_alpine()
#
# - Detects if running on Alpine Linux
# - Checks var_os, PCT_OSTYPE, or /etc/os-release
# - Returns 0 if Alpine, 1 otherwise
# - Used to adjust behavior for Alpine-specific commands
# ------------------------------------------------------------------------------
is_alpine() {
local os_id="${var_os:-${PCT_OSTYPE:-}}"
if [[ -z "$os_id" && -f /etc/os-release ]]; then
os_id="$(
. /etc/os-release 2>/dev/null
echo "${ID:-}"
)"
fi
[[ "$os_id" == "alpine" ]]
}
# ------------------------------------------------------------------------------
# is_verbose_mode()
#
# - Determines if script should run in verbose mode
# - Checks VERBOSE and var_verbose variables
# - Also returns true if not running in TTY (pipe/redirect scenario)
# - Used by msg_info() to decide between spinner and static output
# ------------------------------------------------------------------------------
is_verbose_mode() {
local verbose="${VERBOSE:-${var_verbose:-no}}"
local tty_status
if [[ -t 2 ]]; then
tty_status="interactive"
else
tty_status="not-a-tty"
fi
[[ "$verbose" != "no" || ! -t 2 ]]
}
# ------------------------------------------------------------------------------
# is_unattended()
#
# - Detects if script is running in unattended/silent mode
# - Checks PHS_SILENT, var_unattended, and UNATTENDED variables
# - Returns 0 (true) if unattended, 1 (false) otherwise
# - Used by prompt functions to auto-apply defaults
# ------------------------------------------------------------------------------
is_unattended() {
[[ "${PHS_SILENT:-0}" == "1" ]] && return 0
[[ "${var_unattended:-}" =~ ^(yes|true|1)$ ]] && return 0
[[ "${UNATTENDED:-}" =~ ^(yes|true|1)$ ]] && return 0
return 1
}
# ------------------------------------------------------------------------------
# show_missing_values_warning()
#
# - Displays a summary of required values that used fallback defaults
# - Should be called at the end of install scripts
# - Only shows warning if MISSING_REQUIRED_VALUES array has entries
# - Provides clear guidance on what needs manual configuration
#
# Global:
# MISSING_REQUIRED_VALUES - Array of variable names that need configuration
#
# Example:
# # At end of install script:
# show_missing_values_warning
# ------------------------------------------------------------------------------
show_missing_values_warning() {
if [[ ${#MISSING_REQUIRED_VALUES[@]} -gt 0 ]]; then
echo ""
echo -e "${YW}╔════════════════════════════════════════════════════════════╗${CL}"
echo -e "${YW}║ ⚠️ MANUAL CONFIGURATION REQUIRED ║${CL}"
echo -e "${YW}╠════════════════════════════════════════════════════════════╣${CL}"
echo -e "${YW}║ The following values were not provided and need to be ║${CL}"
echo -e "${YW}║ configured manually for the service to work properly: ║${CL}"
echo -e "${YW}╟────────────────────────────────────────────────────────────╢${CL}"
for val in "${MISSING_REQUIRED_VALUES[@]}"; do
printf "${YW}${CL} • %-56s ${YW}${CL}\n" "$val"
done
echo -e "${YW}╟────────────────────────────────────────────────────────────╢${CL}"
echo -e "${YW}║ Check the service configuration files or environment ║${CL}"
echo -e "${YW}║ variables and update the placeholder values. ║${CL}"
echo -e "${YW}╚════════════════════════════════════════════════════════════╝${CL}"
echo ""
return 1
fi
return 0
}
# ------------------------------------------------------------------------------
# prompt_confirm()
#
# - Prompts user for yes/no confirmation with timeout and unattended support
# - In unattended mode: immediately returns default value
# - In interactive mode: waits for user input with configurable timeout
# - After timeout: auto-applies default value
#
# Arguments:
# $1 - Prompt message (required)
# $2 - Default value: "y" or "n" (optional, default: "n")
# $3 - Timeout in seconds (optional, default: 60)
#
# Returns:
# 0 - User confirmed (yes)
# 1 - User declined (no) or timeout with default "n"
#
# Example:
# if prompt_confirm "Proceed with installation?" "y" 30; then
# echo "Installing..."
# fi
#
# # Unattended: prompt_confirm will use default without waiting
# var_unattended=yes
# prompt_confirm "Delete files?" "n" && echo "Deleting" || echo "Skipped"
# ------------------------------------------------------------------------------
prompt_confirm() {
local message="${1:-Confirm?}"
local default="${2:-n}"
local timeout="${3:-60}"
local response
# Normalize default to lowercase
default="${default,,}"
[[ "$default" != "y" ]] && default="n"
# Build prompt hint
local hint
if [[ "$default" == "y" ]]; then
hint="[Y/n]"
else
hint="[y/N]"
fi
# Unattended mode: apply default immediately
if is_unattended; then
if [[ "$default" == "y" ]]; then
return 0
else
return 1
fi
fi
# Check if running in a TTY
if [[ ! -t 0 ]]; then
# Not a TTY, use default
if [[ "$default" == "y" ]]; then
return 0
else
return 1
fi
fi
# Interactive prompt with timeout
echo -en "${YW}${message} ${hint} (auto-${default} in ${timeout}s): ${CL}"
if read -t "$timeout" -r response; then
# User provided input
response="${response,,}" # lowercase
case "$response" in
y|yes)
return 0
;;
n|no)
return 1
;;
"")
# Empty response, use default
if [[ "$default" == "y" ]]; then
return 0
else
return 1
fi
;;
*)
# Invalid input, use default
echo -e "${YW}Invalid response, using default: ${default}${CL}"
if [[ "$default" == "y" ]]; then
return 0
else
return 1
fi
;;
esac
else
# Timeout occurred
echo "" # Newline after timeout
echo -e "${YW}Timeout - auto-selecting: ${default}${CL}"
if [[ "$default" == "y" ]]; then
return 0
else
return 1
fi
fi
}
# ------------------------------------------------------------------------------
# prompt_input()
#
# - Prompts user for text input with timeout and unattended support
# - In unattended mode: immediately returns default value
# - In interactive mode: waits for user input with configurable timeout
# - After timeout: auto-applies default value
#
# Arguments:
# $1 - Prompt message (required)
# $2 - Default value (optional, default: "")
# $3 - Timeout in seconds (optional, default: 60)
#
# Output:
# Prints the user input or default value to stdout
#
# Example:
# username=$(prompt_input "Enter username:" "admin" 30)
# echo "Using username: $username"
#
# # With validation
# while true; do
# port=$(prompt_input "Enter port:" "8080" 30)
# [[ "$port" =~ ^[0-9]+$ ]] && break
# echo "Invalid port number"
# done
# ------------------------------------------------------------------------------
prompt_input() {
local message="${1:-Enter value:}"
local default="${2:-}"
local timeout="${3:-60}"
local response
# Build display default hint
local hint=""
[[ -n "$default" ]] && hint=" (default: ${default})"
# Unattended mode: return default immediately
if is_unattended; then
echo "$default"
return 0
fi
# Check if running in a TTY
if [[ ! -t 0 ]]; then
# Not a TTY, use default
echo "$default"
return 0
fi
# Interactive prompt with timeout
echo -en "${YW}${message}${hint} (auto-default in ${timeout}s): ${CL}" >&2
if read -t "$timeout" -r response; then
# User provided input (or pressed Enter for empty)
if [[ -n "$response" ]]; then
echo "$response"
else
echo "$default"
fi
else
# Timeout occurred
echo "" >&2 # Newline after timeout
echo -e "${YW}Timeout - using default: ${default}${CL}" >&2
echo "$default"
fi
}
# ------------------------------------------------------------------------------
# prompt_input_required()
#
# - Prompts user for REQUIRED text input with fallback support
# - In unattended mode: Uses fallback value if no env var set (with warning)
# - In interactive mode: loops until user provides non-empty input
# - Tracks missing required values for end-of-script summary
#
# Arguments:
# $1 - Prompt message (required)
# $2 - Fallback/example value for unattended mode (optional)
# $3 - Timeout in seconds (optional, default: 120)
# $4 - Environment variable name hint for error messages (optional)
#
# Output:
# Prints the user input or fallback value to stdout
#
# Returns:
# 0 - Success (value provided or fallback used)
# 1 - Failed (interactive timeout without input)
#
# Global:
# MISSING_REQUIRED_VALUES - Array tracking fields that used fallbacks
#
# Example:
# # With fallback - script continues even in unattended mode
# token=$(prompt_input_required "Enter API Token:" "YOUR_TOKEN_HERE" 60 "var_api_token")
#
# # Check at end of script if any values need manual configuration
# if [[ ${#MISSING_REQUIRED_VALUES[@]} -gt 0 ]]; then
# msg_warn "Please configure: ${MISSING_REQUIRED_VALUES[*]}"
# fi
# ------------------------------------------------------------------------------
# Global array to track missing required values
declare -g -a MISSING_REQUIRED_VALUES=()
prompt_input_required() {
local message="${1:-Enter required value:}"
local fallback="${2:-CHANGE_ME}"
local timeout="${3:-120}"
local env_var_hint="${4:-}"
local response=""
# Check if value is already set via environment variable (if hint provided)
if [[ -n "$env_var_hint" ]]; then
local env_value="${!env_var_hint:-}"
if [[ -n "$env_value" ]]; then
echo "$env_value"
return 0
fi
fi
# Unattended mode: use fallback with warning
if is_unattended; then
if [[ -n "$env_var_hint" ]]; then
echo -e "${YW}⚠ Required value '${env_var_hint}' not set - using fallback: ${fallback}${CL}" >&2
MISSING_REQUIRED_VALUES+=("$env_var_hint")
else
echo -e "${YW}⚠ Required value not provided - using fallback: ${fallback}${CL}" >&2
MISSING_REQUIRED_VALUES+=("(unnamed)")
fi
echo "$fallback"
return 0
fi
# Check if running in a TTY
if [[ ! -t 0 ]]; then
echo -e "${YW}⚠ Not interactive - using fallback: ${fallback}${CL}" >&2
MISSING_REQUIRED_VALUES+=("${env_var_hint:-unnamed}")
echo "$fallback"
return 0
fi
# Interactive prompt - loop until non-empty input or use fallback on timeout
local attempts=0
while [[ -z "$response" ]]; do
((attempts++))
if [[ $attempts -gt 3 ]]; then
echo -e "${YW}Too many empty inputs - using fallback: ${fallback}${CL}" >&2
MISSING_REQUIRED_VALUES+=("${env_var_hint:-manual_input}")
echo "$fallback"
return 0
fi
echo -en "${YW}${message} (required, timeout ${timeout}s): ${CL}" >&2
if read -t "$timeout" -r response; then
if [[ -z "$response" ]]; then
echo -e "${YW}This field is required. Please enter a value. (attempt ${attempts}/3)${CL}" >&2
fi
else
# Timeout occurred - use fallback
echo "" >&2
echo -e "${YW}Timeout - using fallback value: ${fallback}${CL}" >&2
MISSING_REQUIRED_VALUES+=("${env_var_hint:-timeout}")
echo "$fallback"
return 0
fi
done
echo "$response"
}
# ------------------------------------------------------------------------------
# prompt_select()
#
# - Prompts user to select from a list of options with timeout support
# - In unattended mode: immediately returns default selection
# - In interactive mode: displays numbered menu and waits for choice
# - After timeout: auto-applies default selection
#
# Arguments:
# $1 - Prompt message (required)
# $2 - Default option number, 1-based (optional, default: 1)
# $3 - Timeout in seconds (optional, default: 60)
# $4+ - Options to display (required, at least 2)
#
# Output:
# Prints the selected option value to stdout
#
# Returns:
# 0 - Success
# 1 - No options provided or invalid state
#
# Example:
# choice=$(prompt_select "Select database:" 1 30 "PostgreSQL" "MySQL" "SQLite")
# echo "Selected: $choice"
#
# # With array
# options=("Option A" "Option B" "Option C")
# selected=$(prompt_select "Choose:" 2 60 "${options[@]}")
# ------------------------------------------------------------------------------
prompt_select() {
local message="${1:-Select option:}"
local default="${2:-1}"
local timeout="${3:-60}"
shift 3
local options=("$@")
local num_options=${#options[@]}
# Validate options
if [[ $num_options -eq 0 ]]; then
echo "" >&2
return 1
fi
# Validate default
if [[ ! "$default" =~ ^[0-9]+$ ]] || [[ "$default" -lt 1 ]] || [[ "$default" -gt "$num_options" ]]; then
default=1
fi
# Unattended mode: return default immediately
if is_unattended; then
echo "${options[$((default - 1))]}"
return 0
fi
# Check if running in a TTY
if [[ ! -t 0 ]]; then
echo "${options[$((default - 1))]}"
return 0
fi
# Display menu
echo -e "${YW}${message}${CL}" >&2
local i
for i in "${!options[@]}"; do
local num=$((i + 1))
if [[ $num -eq $default ]]; then
echo -e " ${GN}${num})${CL} ${options[$i]} ${YW}(default)${CL}" >&2
else
echo -e " ${GN}${num})${CL} ${options[$i]}" >&2
fi
done
# Interactive prompt with timeout
echo -en "${YW}Select [1-${num_options}] (auto-select ${default} in ${timeout}s): ${CL}" >&2
local response
if read -t "$timeout" -r response; then
if [[ -z "$response" ]]; then
# Empty response, use default
echo "${options[$((default - 1))]}"
elif [[ "$response" =~ ^[0-9]+$ ]] && [[ "$response" -ge 1 ]] && [[ "$response" -le "$num_options" ]]; then
# Valid selection
echo "${options[$((response - 1))]}"
else
# Invalid input, use default
echo -e "${YW}Invalid selection, using default: ${options[$((default - 1))]}${CL}" >&2
echo "${options[$((default - 1))]}"
fi
else
# Timeout occurred
echo "" >&2 # Newline after timeout
echo -e "${YW}Timeout - auto-selecting: ${options[$((default - 1))]}${CL}" >&2
echo "${options[$((default - 1))]}"
fi
}
# ------------------------------------------------------------------------------
# prompt_password()
#
# - Prompts user for password input with hidden characters
# - In unattended mode: returns default or generates random password
# - Supports auto-generation of secure passwords
# - After timeout: generates random password if allowed
#
# Arguments:
# $1 - Prompt message (required)
# $2 - Default value or "generate" for auto-generation (optional)
# $3 - Timeout in seconds (optional, default: 60)
# $4 - Minimum length for validation (optional, default: 0 = no minimum)
#
# Output:
# Prints the password to stdout
#
# Example:
# password=$(prompt_password "Enter password:" "generate" 30 8)
# echo "Password set"
#
# # Require user input (no default)
# db_pass=$(prompt_password "Database password:" "" 60 12)
# ------------------------------------------------------------------------------
prompt_password() {
local message="${1:-Enter password:}"
local default="${2:-}"
local timeout="${3:-60}"
local min_length="${4:-0}"
local response
# Generate random password if requested
local generated=""
if [[ "$default" == "generate" ]]; then
generated=$(openssl rand -base64 16 2>/dev/null | tr -dc 'a-zA-Z0-9' | head -c 16)
[[ -z "$generated" ]] && generated=$(head /dev/urandom | tr -dc 'a-zA-Z0-9' | head -c 16)
default="$generated"
fi
# Unattended mode: return default immediately
if is_unattended; then
echo "$default"
return 0
fi
# Check if running in a TTY
if [[ ! -t 0 ]]; then
echo "$default"
return 0
fi
# Build hint
local hint=""
if [[ -n "$generated" ]]; then
hint=" (Enter for auto-generated)"
elif [[ -n "$default" ]]; then
hint=" (Enter for default)"
fi
[[ "$min_length" -gt 0 ]] && hint="${hint} [min ${min_length} chars]"
# Interactive prompt with timeout (silent input)
echo -en "${YW}${message}${hint} (timeout ${timeout}s): ${CL}" >&2
if read -t "$timeout" -rs response; then
echo "" >&2 # Newline after hidden input
if [[ -n "$response" ]]; then
# Validate minimum length
if [[ "$min_length" -gt 0 ]] && [[ ${#response} -lt "$min_length" ]]; then
echo -e "${YW}Password too short (min ${min_length}), using default${CL}" >&2
echo "$default"
else
echo "$response"
fi
else
echo "$default"
fi
else
# Timeout occurred
echo "" >&2 # Newline after timeout
echo -e "${YW}Timeout - using generated password${CL}" >&2
echo "$default"
fi
}
# ==============================================================================
# SECTION 6: CLEANUP & MAINTENANCE
# ==============================================================================
# ------------------------------------------------------------------------------
# cleanup_lxc()
#
# - Cleans package manager and language caches (safe for installs AND updates)
# - Supports Alpine (apk), Debian/Ubuntu (apt), Python, Node.js, Go, Rust, Ruby, PHP
# - Uses fallback error handling to prevent cleanup failures from breaking installs
# ------------------------------------------------------------------------------
cleanup_lxc() {
msg_info "Cleaning up"
if is_alpine; then
$STD apk cache clean || true
rm -rf /var/cache/apk/*
else
$STD apt -y autoremove 2>/dev/null || msg_warn "apt autoremove failed (non-critical)"
$STD apt -y autoclean 2>/dev/null || msg_warn "apt autoclean failed (non-critical)"
$STD apt -y clean 2>/dev/null || msg_warn "apt clean failed (non-critical)"
fi
find /tmp /var/tmp -type f -name 'tmp*' -delete 2>/dev/null || true
find /tmp /var/tmp -type f -name 'tempfile*' -delete 2>/dev/null || true
# Python
if command -v pip &>/dev/null; then
rm -rf /root/.cache/pip 2>/dev/null || true
fi
if command -v uv &>/dev/null; then
rm -rf /root/.cache/uv 2>/dev/null || true
fi
# Node.js
if command -v npm &>/dev/null; then
rm -rf /root/.npm/_cacache /root/.npm/_logs 2>/dev/null || true
fi
if command -v yarn &>/dev/null; then
rm -rf /root/.cache/yarn /root/.yarn/cache 2>/dev/null || true
fi
if command -v pnpm &>/dev/null; then
pnpm store prune &>/dev/null || true
fi
# Go (only build cache, not modules)
if command -v go &>/dev/null; then
$STD go clean -cache 2>/dev/null || true
fi
# Rust (only registry cache, not build artifacts)
if command -v cargo &>/dev/null; then
rm -rf /root/.cargo/registry/cache /root/.cargo/.package-cache 2>/dev/null || true
fi
# Ruby
if command -v gem &>/dev/null; then
rm -rf /root/.gem/cache 2>/dev/null || true
fi
# PHP
if command -v composer &>/dev/null; then
rm -rf /root/.composer/cache 2>/dev/null || true
fi
msg_ok "Cleaned"
}
# ------------------------------------------------------------------------------
# check_or_create_swap()
#
# - Checks if swap is active on system
# - Offers to create swap file if none exists
# - Prompts user for swap size in MB
# - Creates /swapfile with specified size
# - Activates swap immediately
# - Returns 0 if swap active or successfully created, 1 if declined/failed
# ------------------------------------------------------------------------------
check_or_create_swap() {
msg_info "Checking for active swap"
if swapon --noheadings --show | grep -q 'swap'; then
msg_ok "Swap is active"
return 0
fi
msg_error "No active swap detected"
if ! prompt_confirm "Do you want to create a swap file?" "n" 60; then
msg_info "Skipping swap file creation"
return 1
fi
local swap_size_mb
swap_size_mb=$(prompt_input "Enter swap size in MB (e.g., 2048 for 2GB):" "2048" 60)
if ! [[ "$swap_size_mb" =~ ^[0-9]+$ ]]; then
msg_error "Invalid size input. Aborting."
return 1
fi
local swap_file="/swapfile"
msg_info "Creating ${swap_size_mb}MB swap file at $swap_file"
if dd if=/dev/zero of="$swap_file" bs=1M count="$swap_size_mb" status=progress &&
chmod 600 "$swap_file" &&
mkswap "$swap_file" &&
swapon "$swap_file"; then
msg_ok "Swap file created and activated successfully"
else
msg_error "Failed to create or activate swap"
return 1
fi
}
# ------------------------------------------------------------------------------
# Loads LOCAL_IP from persistent store or detects if missing.
#
# Description:
# - Loads from /run/local-ip.env or performs runtime lookup
# ------------------------------------------------------------------------------
function get_lxc_ip() {
local IP_FILE="/run/local-ip.env"
if [[ -f "$IP_FILE" ]]; then
# shellcheck disable=SC1090
source "$IP_FILE"
fi
if [[ -z "${LOCAL_IP:-}" ]]; then
get_current_ip() {
local ip
# Try direct interface lookup for eth0 FIRST (most reliable for LXC) - IPv4
ip=$(ip -4 addr show eth0 2>/dev/null | awk '/inet / {print $2}' | cut -d/ -f1 | head -n1)
if [[ -n "$ip" && "$ip" =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
echo "$ip"
return 0
fi
# Fallback: Try hostname -I (returns IPv4 first if available)
if command -v hostname >/dev/null 2>&1; then
ip=$(hostname -I 2>/dev/null | awk '{print $1}')
if [[ -n "$ip" && "$ip" =~ ^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
echo "$ip"
return 0
fi
fi
# Try routing table with IPv4 targets
local ipv4_targets=("8.8.8.8" "1.1.1.1" "default")
for target in "${ipv4_targets[@]}"; do
if [[ "$target" == "default" ]]; then
ip=$(ip route get 1 2>/dev/null | awk '{for(i=1;i<=NF;i++) if ($i=="src") print $(i+1)}')
else
ip=$(ip route get "$target" 2>/dev/null | awk '{for(i=1;i<=NF;i++) if ($i=="src") print $(i+1)}')
fi
if [[ -n "$ip" ]]; then
echo "$ip"
return 0
fi
done
# IPv6 fallback: Try direct interface lookup for eth0
ip=$(ip -6 addr show eth0 scope global 2>/dev/null | awk '/inet6 / {print $2}' | cut -d/ -f1 | head -n1)
if [[ -n "$ip" && "$ip" =~ : ]]; then
echo "$ip"
return 0
fi
# IPv6 fallback: Try hostname -I for IPv6
if command -v hostname >/dev/null 2>&1; then
ip=$(hostname -I 2>/dev/null | tr ' ' '\n' | grep -E ':' | head -n1)
if [[ -n "$ip" && "$ip" =~ : ]]; then
echo "$ip"
return 0
fi
fi
# IPv6 fallback: Use routing table with IPv6 targets
local ipv6_targets=("2001:4860:4860::8888" "2606:4700:4700::1111")
for target in "${ipv6_targets[@]}"; do
ip=$(ip -6 route get "$target" 2>/dev/null | awk '{for(i=1;i<=NF;i++) if ($i=="src") print $(i+1)}')
if [[ -n "$ip" && "$ip" =~ : ]]; then
echo "$ip"
return 0
fi
done
return 1
}
LOCAL_IP="$(get_current_ip || true)"
if [[ -z "$LOCAL_IP" ]]; then
msg_error "Could not determine LOCAL_IP"
return 1
fi
fi
export LOCAL_IP
}
# ==============================================================================
# SIGNAL TRAPS
# ==============================================================================
trap 'stop_spinner' EXIT INT TERM