commit c31b9107f5b23668595863a8b401f888360324ad
Author: manuel.maier <manuel.maier@maieredv.de>
Date:   Mon Sep 7 01:12:25 2026 +0200

    update-iventoy.sh hinzugefügt

diff --git a/update-iventoy.sh b/update-iventoy.sh
new file mode 100644
index 0000000..4c1c603
--- /dev/null
+++ b/update-iventoy.sh
@@ -0,0 +1,286 @@
+#!/bin/bash
+set -euo pipefail
+
+BASE="/opt"
+CURRENT="/opt/iventoy"
+
+PERSIST="/srv/iventoy"
+ISO_DIR="${PERSIST}/iso"
+CONFIG_DIR="${PERSIST}/config"
+CONFIG_FILE="${CONFIG_DIR}/config.dat"
+
+SERVICE="iventoy"
+
+TMP="/tmp/iventoy-update"
+
+GITHUB_REPO="ventoy/PXE"
+
+echo "=========================================="
+echo " iVentoy Update"
+echo "=========================================="
+echo
+
+# --------------------------------------------------
+# Root check
+# --------------------------------------------------
+
+if [ "$(id -u)" -ne 0 ]; then
+    echo "ERROR: Dieses Script muss als root laufen."
+    exit 1
+fi
+
+# --------------------------------------------------
+# Dependencies
+# --------------------------------------------------
+
+apt-get update -qq
+apt-get install -y -qq curl tar >/dev/null
+
+# --------------------------------------------------
+# Persistent directories
+# --------------------------------------------------
+
+mkdir -p "$ISO_DIR"
+mkdir -p "$CONFIG_DIR"
+
+# --------------------------------------------------
+# Existing config sichern / initial übernehmen
+# --------------------------------------------------
+
+if [ ! -f "$CONFIG_FILE" ]; then
+
+    if [ -f "${CURRENT}/data/config.dat" ]; then
+        echo "Übernehme bestehende iVentoy Config..."
+        cp -a "${CURRENT}/data/config.dat" "$CONFIG_FILE"
+    else
+        echo "WARNUNG: Keine bestehende config.dat gefunden."
+    fi
+
+fi
+
+# Backup
+if [ -f "$CONFIG_FILE" ]; then
+
+    BACKUP="${CONFIG_FILE}.bak-$(date +%Y%m%d-%H%M%S)"
+
+    echo "Sichere Config nach:"
+    echo "  $BACKUP"
+
+    cp -a "$CONFIG_FILE" "$BACKUP"
+
+fi
+
+# --------------------------------------------------
+# Latest Version ermitteln
+# --------------------------------------------------
+
+echo
+echo "Ermittle aktuelle iVentoy-Version..."
+
+LATEST_TAG=$(
+    curl -fsSL \
+        -o /dev/null \
+        -w '%{url_effective}' \
+        "https://github.com/${GITHUB_REPO}/releases/latest" \
+    | awk -F/ '{print $NF}'
+)
+
+VERSION="${LATEST_TAG#v}"
+
+if [ -z "$VERSION" ]; then
+    echo "ERROR: Konnte aktuelle Version nicht ermitteln."
+    exit 1
+fi
+
+echo "Neueste Version: $VERSION"
+
+TARGET="${BASE}/iventoy-${VERSION}"
+
+# --------------------------------------------------
+# Prüfen ob bereits installiert
+# --------------------------------------------------
+
+if [ -d "$TARGET" ]; then
+
+    echo
+    echo "Version $VERSION ist bereits unter"
+    echo "  $TARGET"
+    echo "vorhanden."
+
+else
+
+    # --------------------------------------------------
+    # Download
+    # --------------------------------------------------
+
+    rm -rf "$TMP"
+    mkdir -p "$TMP"
+
+    ARCHIVE="iventoy-${VERSION}-linux-x86_64-free.tar.gz"
+
+    URL="https://github.com/${GITHUB_REPO}/releases/download/v${VERSION}/${ARCHIVE}"
+
+    echo
+    echo "Lade herunter:"
+    echo "  $URL"
+
+    curl -fL \
+        "$URL" \
+        -o "${TMP}/${ARCHIVE}"
+
+    # --------------------------------------------------
+    # Entpacken
+    # --------------------------------------------------
+
+    echo
+    echo "Entpacke iVentoy..."
+
+    tar -xzf "${TMP}/${ARCHIVE}" -C "$TMP"
+
+    EXTRACTED="${TMP}/iventoy-${VERSION}"
+
+    if [ ! -d "$EXTRACTED" ]; then
+        echo "ERROR: Erwartetes Verzeichnis $EXTRACTED nicht gefunden."
+        exit 1
+    fi
+
+    mv "$EXTRACTED" "$TARGET"
+
+fi
+
+# --------------------------------------------------
+# Symlinks vorbereiten
+# --------------------------------------------------
+
+echo
+echo "Setze persistente Verzeichnisse..."
+
+# ISO
+
+rm -rf "${TARGET}/iso"
+ln -s "$ISO_DIR" "${TARGET}/iso"
+
+# Config
+
+if [ -f "$CONFIG_FILE" ]; then
+
+    rm -f "${TARGET}/data/config.dat"
+
+    ln -s \
+        "$CONFIG_FILE" \
+        "${TARGET}/data/config.dat"
+
+fi
+
+# --------------------------------------------------
+# Service stoppen
+# --------------------------------------------------
+
+echo
+echo "Stoppe iVentoy..."
+
+systemctl stop "$SERVICE" 2>/dev/null || true
+
+sleep 2
+
+# --------------------------------------------------
+# Bestehende /opt/iventoy Installation migrieren
+# --------------------------------------------------
+
+#
+# Falls /opt/iventoy beim allerersten Lauf noch ein echtes
+# Verzeichnis und kein Symlink ist.
+#
+
+if [ -e "$CURRENT" ] && [ ! -L "$CURRENT" ]; then
+
+    OLD="${BASE}/iventoy-old-$(date +%Y%m%d-%H%M%S)"
+
+    echo
+    echo "Bestehende Installation wird verschoben:"
+    echo "  $CURRENT -> $OLD"
+
+    mv "$CURRENT" "$OLD"
+
+fi
+
+# --------------------------------------------------
+# Current Symlink atomar setzen
+# --------------------------------------------------
+
+echo
+echo "Aktiviere iVentoy $VERSION..."
+
+ln -sfn "$TARGET" "${CURRENT}.new"
+mv -Tf "${CURRENT}.new" "$CURRENT"
+
+# --------------------------------------------------
+# Start
+# --------------------------------------------------
+
+echo
+echo "Starte iVentoy..."
+
+systemctl start "$SERVICE"
+
+sleep 3
+
+# --------------------------------------------------
+# Health Check
+# --------------------------------------------------
+
+FAILED=0
+
+if ! systemctl is-active --quiet "$SERVICE"; then
+    echo "ERROR: systemd Service läuft nicht."
+    FAILED=1
+fi
+
+if ! ss -lntH | awk '{print $4}' | grep -Eq '[:.]26000$'; then
+    echo "ERROR: TCP 26000 lauscht nicht."
+    FAILED=1
+fi
+
+if ! ss -lntH | awk '{print $4}' | grep -Eq '[:.]16000$'; then
+    echo "ERROR: TCP 16000 lauscht nicht."
+    FAILED=1
+fi
+
+if [ "$FAILED" -ne 0 ]; then
+
+    echo
+    echo "=========================================="
+    echo " UPDATE FEHLGESCHLAGEN"
+    echo "=========================================="
+
+    echo
+    echo "iVentoy Log:"
+    tail -n 40 "${CURRENT}/log/log.txt" || true
+
+    exit 1
+
+fi
+
+# --------------------------------------------------
+# Cleanup
+# --------------------------------------------------
+
+rm -rf "$TMP"
+
+echo
+echo "=========================================="
+echo " Update erfolgreich"
+echo "=========================================="
+echo
+echo "Aktive Version:"
+echo "  $VERSION"
+echo
+echo "Installation:"
+echo "  $CURRENT -> $TARGET"
+echo
+echo "Config:"
+echo "  ${CURRENT}/data/config.dat -> $CONFIG_FILE"
+echo
+echo "ISO:"
+echo "  ${CURRENT}/iso -> $ISO_DIR"
+echo
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