From 85c2c99b122f88331ff580d52f8d696700aac538 Mon Sep 17 00:00:00 2001
From: Michel Roegl-Brunner <michel.roegl-brunner@htl-braunau.at>
Date: Tue, 20 May 2025 14:07:15 +0200
Subject: [PATCH] Add LXC-Updater

---
 tools/pve/update-apps.sh | 111 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 tools/pve/update-apps.sh

diff --git a/tools/pve/update-apps.sh b/tools/pve/update-apps.sh
new file mode 100644
index 0000000..e7712e4
--- /dev/null
+++ b/tools/pve/update-apps.sh
@@ -0,0 +1,111 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: BvdBerg01
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+
+function header_info {
+  clear
+  cat <<"EOF"
+    __   _  ________   __  __          __      __
+   / /  | |/ / ____/  / / / /___  ____/ /___ _/ /____
+  / /   |   / /      / / / / __ \/ __  / __ `/ __/ _ \
+ / /___/   / /___   / /_/ / /_/ / /_/ / /_/ / /_/  __/
+/_____/_/|_\____/   \____/ .___/\__,_/\__,_/\__/\___/
+                        /_/
+EOF
+}
+
+source <(curl -fsSL https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/misc/core.func)
+
+header_info
+echo "Loading..."
+whiptail --backtitle "Proxmox VE Helper Scripts" --title "LXC Container Update" --yesno "This will update LXC container. Proceed?" 10 58 || exit
+
+NODE=$(hostname)
+containers=$(pct list | tail -n +2 | awk '{print $0 " " $4}')
+
+if [ -z "$containers" ]; then
+    whiptail --title "LXC Container Update" --msgbox "No LXC containers available!" 10 60
+    exit 1
+fi
+
+menu_items=()
+FORMAT="%-10s %-15s %-10s"
+
+while read -r container; do
+    container_id=$(echo $container | awk '{print $1}')
+    container_name=$(echo $container | awk '{print $2}')
+    container_status=$(echo $container | awk '{print $3}')
+    formatted_line=$(printf "$FORMAT" "$container_name" "$container_status")
+    IS_HELPERSCRIPT_LXC=$(pct exec $container_id -- [ -e /usr/bin/update ] && echo true || echo false)
+    if [ "$IS_HELPERSCRIPT_LXC" = true ]; then
+      menu_items+=("$container_id" "$formatted_line" "OFF")
+    fi
+done <<< "$containers"
+
+CHOICE=$(whiptail --title "LXC Container Update" \
+                   --radiolist "Select LXC container to update:" 25 60 13 \
+                   "${menu_items[@]}" 3>&2 2>&1 1>&3)
+
+if [ -z "$CHOICE" ]; then
+    whiptail --title "LXC Container Update" \
+             --msgbox "No containers selected!" 10 60
+    exit 1
+fi
+
+header_info
+if(whiptail --backtitle "Proxmox VE Helper Scripts" --title "LXC Container Update" --yesno "Do you want to create a backup from your container?" 10 58); then
+
+  STORAGES=$(awk '/^(\S+):/ {storage=$2} /content.*backup/ {print storage}' /etc/pve/storage.cfg)
+
+  if [ -z "$STORAGES" ]; then
+    whiptail --msgbox "Geen opslag met 'backup' gevonden!" 8 40
+    exit 1
+  fi
+
+  MENU_ITEMS=()
+  for STORAGE in $STORAGES; do
+      MENU_ITEMS+=("$STORAGE" "")
+  done
+
+  STORAGE_CHOICE=$(whiptail --title "Select storage device" --menu "Select a storage device (Only storage devices with 'backup' support are listed):" 15 50 5 "${MENU_ITEMS[@]}" 3>&1 1>&2 2>&3)
+
+  if [ -z "$STORAGE_CHOICE" ]; then
+      msg_error "No storage selected!"
+      exit 1
+  fi
+
+  msg_info "Creating backup"
+  vzdump $CHOICE --compress zstd --storage $STORAGE_CHOICE -notes-template "community-scripts backup updater" > /dev/null 2>&1
+  status=$?
+
+  if [ $status -eq 0 ]; then
+  msg_ok "Backup created"
+  pct exec $CHOICE -- update --from-pve
+  exit_code=$?
+  else
+  msg_error "Backup failed"
+  fi
+
+else
+  pct exec $CHOICE -- update --from-pve
+  exit_code=$?
+fi
+
+if [ $exit_code -eq 0 ]; then
+  msg_ok "Update completed"
+else
+  msg_info "Restoring LXC from backup"
+  pct stop $CHOICE
+  LXC_STORAGE=$(pct config $CHOICE | awk -F '[:,]' '/rootfs/ {print $2}')
+  pct restore $CHOICE /var/lib/vz/dump/vzdump-lxc-$CHOICE-*.tar.zst --storage $LXC_STORAGE --force > /dev/null 2>&1
+  pct start $CHOICE
+  restorestatus=$?
+  if [ $restorestatus -eq 0 ]; then
+  msg_ok "Restored LXC from backup"
+  else
+  msg_error "Restored LXC from backup failed"
+  fi
+
+fi