Refactor installer into modular orchestration framework

scripts/build.sh

@@ -82,6 +82,24 @@ verify_workdir() {
   echo "GRUB verification passed."
 }
 
+create_iso() {
+  echo "Creating Tuxflotte ISO..."
+
+  local output_iso="$OUTPUT_DIR/tuxflotte-provisioning-0.1.iso"
+
+  rm -f "$output_iso"
+
+  xorriso \
+    -indev "$SOURCE_ISO" \
+    -outdev "$output_iso" \
+    -compliance no_emul_toc \
+    -map "$REPO_DIR/grub/EFI-BOOT-grub.cfg" /EFI/BOOT/grub.cfg \
+    -map "$REPO_DIR/grub/boot-grub2-grub.cfg" /boot/grub2/grub.cfg \
+    -boot_image any replay
+
+  echo "ISO created: $output_iso"
+}
+
 main() {
   check_input
   check_dependencies
@@ -89,6 +107,7 @@ main() {
   extract_iso
   patch_grub
   verify_workdir
+  create_iso
 
   echo
   echo "Build preparation complete."

scripts/installer.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+INSTALLER_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+source "$SCRIPT_DIR/lib/logging.sh"
+source "$SCRIPT_DIR/lib/errors.sh"
+source "$SCRIPT_DIR/lib/utils.sh"
+source "$SCRIPT_DIR/lib/checks.sh"
+
+DRY_RUN=false
+
+for arg in "$@"; do
+  case "$arg" in
+    --dry-run) DRY_RUN=true ;;
+    *) error_exit "Unbekannter Parameter: $arg" ;;
+  esac
+done
+
+load_config "$INSTALLER_ROOT/config/installer.conf"
+
+log_info "Tuxflotte Installer gestartet"
+log_info "Installer Root: $INSTALLER_ROOT"
+
+[[ "$DRY_RUN" == true ]] && log_warn "Dry-Run aktiv"
+
+run_module "$SCRIPT_DIR/modules/00_preflight.sh" "always"
+run_module "$SCRIPT_DIR/modules/10_hardware.sh" "always"
+run_module "$SCRIPT_DIR/modules/20_storage.sh" "dry-run-safe"
+run_module "$SCRIPT_DIR/modules/99_finish.sh" "always"
+
+log_success "Tuxflotte Installer abgeschlossen"

scripts/lib/checks.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+detect_uefi() {
+  if [[ -d /sys/firmware/efi ]]; then
+    echo "uefi"
+  else
+    echo "bios"
+  fi
+}
+
+check_network() {
+  ping -c 1 -W 2 1.1.1.1 >/dev/null 2>&1
+}
+
+list_install_disks() {
+  lsblk -dpno NAME,SIZE,MODEL,TRAN,TYPE | awk '$5 == "disk" && $4 != "usb" {print}'
+}

scripts/lib/errors.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+error_exit() {
+  log_error "$1"
+  exit "${2:-1}"
+}
+
+trap 'error_exit "Unerwarteter Fehler in Zeile $LINENO."' ERR

scripts/lib/logging.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+log_info() {
+  echo "[INFO ] $*"
+}
+
+log_warn() {
+  echo "[WARN ] $*" >&2
+}
+
+log_error() {
+  echo "[ERROR] $*" >&2
+}
+
+log_success() {
+  echo "[ OK  ] $*"
+}

scripts/lib/utils.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+
+load_config() {
+  local config_file="$1"
+
+  if [[ -f "$config_file" ]]; then
+    # shellcheck disable=SC1090
+    source "$config_file"
+    log_info "Konfiguration geladen: $config_file"
+  else
+    log_warn "Keine Konfiguration gefunden: $config_file"
+  fi
+}
+
+run_module() {
+  local module="$1"
+  local mode="${2:-normal}"
+
+  [[ -f "$module" ]] || error_exit "Modul nicht gefunden: $module"
+
+  log_info "Starte Modul: $(basename "$module")"
+
+  if [[ "${DRY_RUN:-false}" == true && "$mode" != "always" ]]; then
+    log_warn "Dry-Run: Modul übersprungen: $module"
+    return 0
+  fi
+
+  # shellcheck disable=SC1090
+  source "$module"
+
+  log_success "Modul abgeschlossen: $(basename "$module")"
+}
+
+require_root() {
+  [[ "$EUID" -eq 0 ]] || error_exit "Installer muss als root ausgeführt werden."
+}
+
+command_exists() {
+  command -v "$1" >/dev/null 2>&1
+}

scripts/modules/20_storage.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+log_info "Datenträger werden erkannt..."
+
+DISKS="$(list_install_disks || true)"
+
+if [[ -z "$DISKS" ]]; then
+  error_exit "Keine geeigneten Datenträger erkannt."
+fi
+
+echo "$DISKS"
+
+log_warn "Phase 1: Datenträger werden nur angezeigt, nicht verändert."
+log_warn "Partitionierung ist noch deaktiviert."