mirror of
https://github.com/community-scripts/ProxmoxVE.git
synced 2026-02-04 04:13:26 +01:00
28c19a79d3
- 150: Systemd service failed to start - 151: Systemd service unit not found - 152: Permission denied (EACCES) - 153: Build/compile failed (make/gcc/cmake) - 154: Node.js native addon build failed (node-gyp) Based on issue analysis: 57 service failures, 25 build failures, 22 node-gyp issues
341 lines
14 KiB
Bash
341 lines
14 KiB
Bash
#!/usr/bin/env bash
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# ------------------------------------------------------------------------------
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# ERROR HANDLER - ERROR & SIGNAL MANAGEMENT
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# ------------------------------------------------------------------------------
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# Copyright (c) 2021-2026 community-scripts ORG
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# Author: MickLesk (CanbiZ)
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# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
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# ------------------------------------------------------------------------------
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#
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# Provides comprehensive error handling and signal management for all scripts.
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# Includes:
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# - Exit code explanations (shell, package managers, databases, custom codes)
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# - Error handler with detailed logging
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# - Signal handlers (EXIT, INT, TERM)
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# - Initialization function for trap setup
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#
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# Usage:
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# source <(curl -fsSL .../error_handler.func)
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# catch_errors
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#
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# ------------------------------------------------------------------------------
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# ==============================================================================
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# SECTION 1: EXIT CODE EXPLANATIONS
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# explain_exit_code()
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#
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# - Maps numeric exit codes to human-readable error descriptions
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# - Supports:
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# * Generic/Shell errors (1, 2, 124, 126-130, 134, 137, 139, 141, 143)
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# * curl/wget errors (6, 7, 22, 28, 35)
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# * Package manager errors (APT, DPKG: 100-102, 255)
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# * Systemd/Service errors (150-154)
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# * Python/pip/uv errors (160-162)
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# * PostgreSQL errors (170-173)
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# * MySQL/MariaDB errors (180-183)
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# * MongoDB errors (190-193)
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# * Proxmox custom codes (200-231)
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# * Node.js/npm errors (243-249)
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# - Returns description string for given exit code
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# - Shared function with api.func for consistency
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# ------------------------------------------------------------------------------
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explain_exit_code() {
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local code="$1"
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case "$code" in
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# --- Generic / Shell ---
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1) echo "General error / Operation not permitted" ;;
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2) echo "Misuse of shell builtins (e.g. syntax error)" ;;
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6) echo "curl: DNS resolution failed (could not resolve host)" ;;
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7) echo "curl: Failed to connect (network unreachable / host down)" ;;
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22) echo "curl: HTTP error returned (404, 429, 500+)" ;;
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28) echo "curl: Operation timeout (network slow or server not responding)" ;;
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35) echo "curl: SSL/TLS handshake failed (certificate error)" ;;
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100) echo "APT: Package manager error (broken packages / dependency problems)" ;;
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101) echo "APT: Configuration error (bad sources.list, malformed config)" ;;
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102) echo "APT: Lock held by another process (dpkg/apt still running)" ;;
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124) echo "Command timed out (timeout command)" ;;
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126) echo "Command invoked cannot execute (permission problem?)" ;;
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127) echo "Command not found" ;;
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128) echo "Invalid argument to exit" ;;
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130) echo "Terminated by Ctrl+C (SIGINT)" ;;
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134) echo "Process aborted (SIGABRT - possibly Node.js heap overflow)" ;;
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137) echo "Killed (SIGKILL / Out of memory?)" ;;
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139) echo "Segmentation fault (core dumped)" ;;
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141) echo "Broken pipe (SIGPIPE - output closed prematurely)" ;;
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143) echo "Terminated (SIGTERM)" ;;
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# --- Systemd / Service errors (150-154) ---
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150) echo "Systemd: Service failed to start" ;;
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151) echo "Systemd: Service unit not found" ;;
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152) echo "Permission denied (EACCES)" ;;
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153) echo "Build/compile failed (make/gcc/cmake)" ;;
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154) echo "Node.js: Native addon build failed (node-gyp)" ;;
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# --- Node.js / npm / pnpm / yarn (243-249) ---
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243) echo "Node.js: Out of memory (JavaScript heap out of memory)" ;;
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245) echo "Node.js: Invalid command-line option" ;;
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246) echo "Node.js: Internal JavaScript Parse Error" ;;
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247) echo "Node.js: Fatal internal error" ;;
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248) echo "Node.js: Invalid C++ addon / N-API failure" ;;
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249) echo "npm/pnpm/yarn: Unknown fatal error" ;;
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# --- Python / pip / uv (160-162) ---
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160) echo "Python: Virtualenv / uv environment missing or broken" ;;
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161) echo "Python: Dependency resolution failed" ;;
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162) echo "Python: Installation aborted (permissions or EXTERNALLY-MANAGED)" ;;
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# --- PostgreSQL (170-174) ---
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170) echo "PostgreSQL: Connection failed (server not running / wrong socket)" ;;
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171) echo "PostgreSQL: Authentication failed (bad user/password)" ;;
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172) echo "PostgreSQL: Database does not exist" ;;
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173) echo "PostgreSQL: Fatal error in query / syntax" ;;
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# --- MySQL / MariaDB (180-183) ---
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180) echo "MySQL/MariaDB: Connection failed (server not running / wrong socket)" ;;
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181) echo "MySQL/MariaDB: Authentication failed (bad user/password)" ;;
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182) echo "MySQL/MariaDB: Database does not exist" ;;
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183) echo "MySQL/MariaDB: Fatal error in query / syntax" ;;
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# --- MongoDB (190-193) ---
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190) echo "MongoDB: Connection failed (server not running)" ;;
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191) echo "MongoDB: Authentication failed (bad user/password)" ;;
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192) echo "MongoDB: Database not found" ;;
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193) echo "MongoDB: Fatal query error" ;;
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# --- Proxmox Custom Codes (200-231) ---
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200) echo "Proxmox: Failed to create lock file" ;;
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203) echo "Proxmox: Missing CTID variable" ;;
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204) echo "Proxmox: Missing PCT_OSTYPE variable" ;;
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205) echo "Proxmox: Invalid CTID (<100)" ;;
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206) echo "Proxmox: CTID already in use" ;;
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207) echo "Proxmox: Password contains unescaped special characters" ;;
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208) echo "Proxmox: Invalid configuration (DNS/MAC/Network format)" ;;
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209) echo "Proxmox: Container creation failed" ;;
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210) echo "Proxmox: Cluster not quorate" ;;
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211) echo "Proxmox: Timeout waiting for template lock" ;;
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212) echo "Proxmox: Storage type 'iscsidirect' does not support containers (VMs only)" ;;
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213) echo "Proxmox: Storage type does not support 'rootdir' content" ;;
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214) echo "Proxmox: Not enough storage space" ;;
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215) echo "Proxmox: Container created but not listed (ghost state)" ;;
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216) echo "Proxmox: RootFS entry missing in config" ;;
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217) echo "Proxmox: Storage not accessible" ;;
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218) echo "Proxmox: Template file corrupted or incomplete" ;;
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219) echo "Proxmox: CephFS does not support containers - use RBD" ;;
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220) echo "Proxmox: Unable to resolve template path" ;;
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221) echo "Proxmox: Template file not readable" ;;
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222) echo "Proxmox: Template download failed" ;;
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223) echo "Proxmox: Template not available after download" ;;
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224) echo "Proxmox: PBS storage is for backups only" ;;
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225) echo "Proxmox: No template available for OS/Version" ;;
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231) echo "Proxmox: LXC stack upgrade failed" ;;
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# --- DPKG ---
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255) echo "DPKG: Fatal internal error" ;;
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# --- Default ---
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*) echo "Unknown error" ;;
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esac
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}
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# ==============================================================================
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# SECTION 2: ERROR HANDLERS
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# error_handler()
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#
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# - Main error handler triggered by ERR trap
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# - Arguments: exit_code, command, line_number
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# - Behavior:
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# * Returns silently if exit_code is 0 (success)
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# * Sources explain_exit_code() for detailed error description
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# * Displays error message with:
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# - Line number where error occurred
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# - Exit code with explanation
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# - Command that failed
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# * Shows last 20 lines of SILENT_LOGFILE if available
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# * Copies log to container /root for later inspection
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# * Exits with original exit code
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# ------------------------------------------------------------------------------
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error_handler() {
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local exit_code=${1:-$?}
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local command=${2:-${BASH_COMMAND:-unknown}}
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local line_number=${BASH_LINENO[0]:-unknown}
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command="${command//\$STD/}"
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if [[ "$exit_code" -eq 0 ]]; then
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return 0
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fi
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local explanation
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explanation="$(explain_exit_code "$exit_code")"
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printf "\e[?25h"
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# Use msg_error if available, fallback to echo
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if declare -f msg_error >/dev/null 2>&1; then
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msg_error "in line ${line_number}: exit code ${exit_code} (${explanation}): while executing command ${command}"
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else
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echo -e "\n${RD}[ERROR]${CL} in line ${RD}${line_number}${CL}: exit code ${RD}${exit_code}${CL} (${explanation}): while executing command ${YWB}${command}${CL}\n"
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fi
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if [[ -n "${DEBUG_LOGFILE:-}" ]]; then
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{
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echo "------ ERROR ------"
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echo "Timestamp : $(date '+%Y-%m-%d %H:%M:%S')"
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echo "Exit Code : $exit_code ($explanation)"
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echo "Line : $line_number"
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echo "Command : $command"
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echo "-------------------"
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} >>"$DEBUG_LOGFILE"
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fi
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# Get active log file (BUILD_LOG or INSTALL_LOG)
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local active_log=""
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if declare -f get_active_logfile >/dev/null 2>&1; then
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active_log="$(get_active_logfile)"
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elif [[ -n "${SILENT_LOGFILE:-}" ]]; then
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active_log="$SILENT_LOGFILE"
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fi
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if [[ -n "$active_log" && -s "$active_log" ]]; then
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echo "--- Last 20 lines of silent log ---"
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tail -n 20 "$active_log"
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echo "-----------------------------------"
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# Detect context: Container (INSTALL_LOG set + /root exists) vs Host (BUILD_LOG)
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if [[ -n "${INSTALL_LOG:-}" && -d /root ]]; then
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# CONTAINER CONTEXT: Copy log and create flag file for host
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local container_log="/root/.install-${SESSION_ID:-error}.log"
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cp "$active_log" "$container_log" 2>/dev/null || true
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# Create error flag file with exit code for host detection
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echo "$exit_code" >"/root/.install-${SESSION_ID:-error}.failed" 2>/dev/null || true
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if declare -f msg_custom >/dev/null 2>&1; then
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msg_custom "📋" "${YW}" "Log saved to: ${container_log}"
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else
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echo -e "${YW}Log saved to:${CL} ${BL}${container_log}${CL}"
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fi
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else
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# HOST CONTEXT: Show local log path and offer container cleanup
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if declare -f msg_custom >/dev/null 2>&1; then
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msg_custom "📋" "${YW}" "Full log: ${active_log}"
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else
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echo -e "${YW}Full log:${CL} ${BL}${active_log}${CL}"
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fi
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# Offer to remove container if it exists (build errors after container creation)
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if [[ -n "${CTID:-}" ]] && command -v pct &>/dev/null && pct status "$CTID" &>/dev/null; then
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echo ""
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echo -en "${YW}Remove broken container ${CTID}? (Y/n) [auto-remove in 60s]: ${CL}"
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if read -t 60 -r response; then
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if [[ -z "$response" || "$response" =~ ^[Yy]$ ]]; then
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echo -e "\n${YW}Removing container ${CTID}${CL}"
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pct stop "$CTID" &>/dev/null || true
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pct destroy "$CTID" &>/dev/null || true
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echo -e "${GN}✔${CL} Container ${CTID} removed"
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elif [[ "$response" =~ ^[Nn]$ ]]; then
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echo -e "\n${YW}Container ${CTID} kept for debugging${CL}"
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fi
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else
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# Timeout - auto-remove
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echo -e "\n${YW}No response - auto-removing container${CL}"
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pct stop "$CTID" &>/dev/null || true
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pct destroy "$CTID" &>/dev/null || true
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echo -e "${GN}✔${CL} Container ${CTID} removed"
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fi
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fi
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fi
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fi
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exit "$exit_code"
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}
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# ==============================================================================
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# SECTION 3: SIGNAL HANDLERS
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# on_exit()
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#
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# - EXIT trap handler
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# - Cleans up lock files if lockfile variable is set
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# - Exits with captured exit code
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# - Always runs on script termination (success or failure)
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# ------------------------------------------------------------------------------
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on_exit() {
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local exit_code=$?
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[[ -n "${lockfile:-}" && -e "$lockfile" ]] && rm -f "$lockfile"
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exit "$exit_code"
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}
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# ------------------------------------------------------------------------------
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# on_interrupt()
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#
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# - SIGINT (Ctrl+C) trap handler
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# - Displays "Interrupted by user" message
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# - Exits with code 130 (128 + SIGINT=2)
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# ------------------------------------------------------------------------------
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on_interrupt() {
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if declare -f msg_error >/dev/null 2>&1; then
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msg_error "Interrupted by user (SIGINT)"
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else
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echo -e "\n${RD}Interrupted by user (SIGINT)${CL}"
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fi
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exit 130
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}
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# ------------------------------------------------------------------------------
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# on_terminate()
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#
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# - SIGTERM trap handler
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# - Displays "Terminated by signal" message
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# - Exits with code 143 (128 + SIGTERM=15)
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# - Triggered by external process termination
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# ------------------------------------------------------------------------------
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on_terminate() {
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if declare -f msg_error >/dev/null 2>&1; then
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msg_error "Terminated by signal (SIGTERM)"
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else
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echo -e "\n${RD}Terminated by signal (SIGTERM)${CL}"
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fi
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exit 143
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}
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# ==============================================================================
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# SECTION 4: INITIALIZATION
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# ==============================================================================
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# ------------------------------------------------------------------------------
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# catch_errors()
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#
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# - Initializes error handling and signal traps
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# - Enables strict error handling:
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# * set -Ee: Exit on error, inherit ERR trap in functions
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# * set -o pipefail: Pipeline fails if any command fails
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# * set -u: (optional) Exit on undefined variable (if STRICT_UNSET=1)
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# - Sets up traps:
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# * ERR → error_handler
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# * EXIT → on_exit
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# * INT → on_interrupt
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# * TERM → on_terminate
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# - Call this function early in every script
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# ------------------------------------------------------------------------------
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catch_errors() {
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set -Ee -o pipefail
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if [ "${STRICT_UNSET:-0}" = "1" ]; then
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set -u
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fi
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trap 'error_handler' ERR
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trap on_exit EXIT
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trap on_interrupt INT
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trap on_terminate TERM
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}
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