From 6552f564f7d4044e18f912d98580df844a4f9e9a Mon Sep 17 00:00:00 2001
From: "CanbiZ (MickLesk)" <47820557+MickLesk@users.noreply.github.com>
Date: Fri, 18 Sep 2026 12:35:38 +0200
Subject: [PATCH] Ubuntu-VM: AIO | new core | performance | remove old wrappers

This script automates the creation of an Ubuntu virtual machine with configurable options such as version selection, cloud-init usage, and advanced settings.
---
 vm/ubuntu-vm.sh | 201 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 201 insertions(+)
 create mode 100644 vm/ubuntu-vm.sh

diff --git a/vm/ubuntu-vm.sh b/vm/ubuntu-vm.sh
new file mode 100644
index 000000000..cacc3072f
--- /dev/null
+++ b/vm/ubuntu-vm.sh
@@ -0,0 +1,201 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2026 community-scripts ORG
+# Author: MickLesk (CanbiZ)
+# License: MIT | https://github.com/community-scripts/ProxmoxVED/raw/main/LICENSE
+
+COMMUNITY_SCRIPTS_URL="${COMMUNITY_SCRIPTS_URL:-https://raw.githubusercontent.com/community-scripts/ProxmoxVED/main}"
+source <(curl -fsSL "${COMMUNITY_SCRIPTS_CORE_URL:-https://raw.githubusercontent.com/community-scripts/core/main}/pve/vm-core.func")
+load_functions
+
+APP="Ubuntu"
+APP_TYPE="vm"
+NSAPP="ubuntu-vm"
+GEN_MAC=02:$(openssl rand -hex 5 | awk '{print toupper($0)}' | sed 's/\(..\)/\1:/g; s/.$//')
+RANDOM_UUID="$(cat /proc/sys/kernel/random/uuid)"
+METHOD=""
+var_os="ubuntu"
+var_version="26.04"
+THIN="discard=on,ssd=1,"
+USE_CLOUD_INIT="no"
+
+
+set -e
+trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
+trap cleanup EXIT
+trap 'post_update_to_api "failed" "130"' SIGINT
+trap 'post_update_to_api "failed" "143"' SIGTERM
+trap 'post_update_to_api "failed" "129"; exit 129' SIGHUP
+
+vm_preflight
+
+TEMP_DIR=$(mktemp -d)
+pushd "$TEMP_DIR" >/dev/null
+
+if [[ "${VM_UNATTENDED:-0}" == "1" ]]; then
+  var_version="${VM_OS_VERSION:-$var_version}"
+elif vm_dialog radiolist "UBUNTU VERSION" "Choose the Ubuntu release to install" --cancel-button Exit-Script 13 60 4 \
+  "26.04" "Ubuntu 26.04 LTS (Resolute)" ON \
+  "25.04" "Ubuntu 25.04 (Plucky)" OFF \
+  "24.04" "Ubuntu 24.04 LTS (Noble)" OFF \
+  "22.04" "Ubuntu 22.04 LTS (Jammy)" OFF; then
+  var_version="$VM_DIALOG_RESULT"
+else
+  exit_script
+fi
+
+case "$var_version" in
+26.04) UBUNTU_CODENAME="resolute" ;;
+25.04) UBUNTU_CODENAME="plucky" ;;
+24.04) UBUNTU_CODENAME="noble" ;;
+22.04) UBUNTU_CODENAME="jammy" ;;
+*)
+  msg_error "Unsupported Ubuntu version '${var_version}'"
+  exit 1
+  ;;
+esac
+APP="Ubuntu ${var_version} VM"
+
+header_info
+echo -e "\n Loading..."
+
+# Ubuntu cloud images configure netplan from cloud-init only. Without it the
+# guest boots with an interface that never gets an address.
+VM_CLOUD_INIT="${VM_CLOUD_INIT:-yes}"
+vm_prompt_cloud_init "ubuntu"
+if [ "$USE_CLOUD_INIT" != "yes" ]; then
+  msg_warn "Without Cloud-Init this Ubuntu image gets no network configuration - configure it in the guest yourself."
+fi
+
+function default_settings() {
+  VMID=$(get_valid_nextid)
+  vm_apply_machine_type "q35"
+  DISK_SIZE="7G"
+  DISK_CACHE=""
+  HN="ubuntu"
+  CPU_TYPE=""
+  CORE_COUNT="2"
+  RAM_SIZE="2048"
+  BRG="vmbr0"
+  MAC="$GEN_MAC"
+  VLAN=""
+  MTU=""
+  START_VM="yes"
+  METHOD="default"
+
+  echo -e "${CONTAINERID}${BOLD}${DGN}Virtual Machine ID: ${BGN}${VMID}${CL}"
+  echo -e "${CONTAINERTYPE}${BOLD}${DGN}Machine Type: ${BGN}$(vm_machine_type_label "$MACHINE_TYPE")${CL}"
+  echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}${DISK_SIZE}${CL}"
+  echo -e "${DISKSIZE}${BOLD}${DGN}Disk Cache: ${BGN}None${CL}"
+  echo -e "${HOSTNAME}${BOLD}${DGN}Hostname: ${BGN}${HN}${CL}"
+  echo -e "${OS}${BOLD}${DGN}CPU Model: ${BGN}$(vm_cpu_model_label)${CL}"
+  echo -e "${CPUCORE}${BOLD}${DGN}CPU Cores: ${BGN}${CORE_COUNT}${CL}"
+  echo -e "${RAMSIZE}${BOLD}${DGN}RAM Size: ${BGN}${RAM_SIZE}${CL}"
+  echo -e "${CLOUD}${BOLD}${DGN}Cloud-Init: ${BGN}${USE_CLOUD_INIT}${CL}"
+  echo -e "${BRIDGE}${BOLD}${DGN}Bridge: ${BGN}${BRG}${CL}"
+  echo -e "${MACADDRESS}${BOLD}${DGN}MAC Address: ${BGN}${MAC}${CL}"
+  echo -e "${VLANTAG}${BOLD}${DGN}VLAN: ${BGN}Default${CL}"
+  echo -e "${DEFAULT}${BOLD}${DGN}Interface MTU Size: ${BGN}Default${CL}"
+  echo -e "${GATEWAY}${BOLD}${DGN}Start VM when completed: ${BGN}${START_VM}${CL}"
+  echo -e "${CREATING}${BOLD}${DGN}Creating a ${APP} using the above default settings${CL}"
+}
+
+function advanced_settings() {
+  METHOD="advanced"
+  echo -e "${CLOUD}${BOLD}${DGN}Cloud-Init: ${BGN}${USE_CLOUD_INIT}${CL}"
+  vm_prompt_vmid "${VMID:-$(get_valid_nextid)}"
+  vm_prompt_machine_type "q35"
+  vm_prompt_disk_size "${DISK_SIZE:-7G}" "Set Disk Size in GiB (e.g., 10, 20)"
+  vm_prompt_disk_cache "none"
+  vm_prompt_hostname "ubuntu"
+  vm_prompt_cpu_model "kvm64"
+  vm_prompt_cpu_cores "2"
+  vm_prompt_ram "2048"
+  vm_prompt_bridge "vmbr0"
+  vm_prompt_mac "$GEN_MAC"
+  vm_prompt_vlan
+  vm_prompt_mtu
+  vm_prompt_verbose "no"
+  vm_prompt_start_vm "yes"
+
+  if vm_confirm_advanced_settings "Ready to create a ${APP}?"; then
+    echo -e "${CREATING}${BOLD}${DGN}Creating a ${APP} using the above advanced settings${CL}"
+  else
+    header_info
+    echo -e "${ADVANCED}${BOLD}${RD}Using Advanced Settings${CL}"
+    advanced_settings
+  fi
+}
+
+vm_start_script "Use Default Settings?\n\nDefaults:\n• 2 CPU Cores\n• 2 GB RAM\n• 7 GB Disk" 13 58
+post_to_api_vm
+
+vm_select_storage "$HN"
+vm_define_disk_references 2
+DISK_IMPORT="-format ${DISK_IMPORT_FORMAT}"
+
+msg_info "Retrieving the URL for the ${APP} Disk Image"
+UBUNTU_ARCH="$(vm_arch_resolve amd64 arm64)"
+URL="https://cloud-images.ubuntu.com/releases/server/${UBUNTU_CODENAME}/release/ubuntu-${var_version}-server-cloudimg-${UBUNTU_ARCH}.img"
+sleep 2
+msg_ok "${CL}${BL}${URL}${CL}"
+CACHE_FILE="$(vm_image_cache_path "$URL")"
+vm_fetch_image "$URL" "$CACHE_FILE" --cache --min-bytes $((100 * 1024 * 1024)) || exit 115
+FILE="$(basename "$CACHE_FILE")"
+# Work on a copy: vm_prepare_cloud_image rewrites hostname and machine-id into
+# the image, which would poison the cache for every later VM.
+cp -f "$CACHE_FILE" "$FILE"
+
+vm_prepare_cloud_image "$FILE" "$HN" || true
+
+msg_info "Creating a ${APP}"
+qm create $VMID -agent 1${MACHINE} -tablet 0 -localtime 1 -bios ovmf${CPU_TYPE} -cores $CORE_COUNT -memory $RAM_SIZE \
+  -name $HN -tags community-script -net0 virtio,bridge=$BRG,macaddr=$MAC$VLAN$MTU -onboot 1 -ostype l26 -scsihw virtio-scsi-pci
+vm_alloc_efi_disk "$DISK0"
+qm importdisk $VMID $FILE $STORAGE ${DISK_IMPORT:-} 1>&/dev/null
+qm set $VMID \
+  -efidisk0 ${DISK0_REF}${FORMAT} \
+  -scsi0 ${DISK1_REF},${DISK_CACHE}${THIN}size=${DISK_SIZE} \
+  -boot order=scsi0 \
+  -serial0 socket >/dev/null
+set_description
+
+vm_resize_disk
+
+if [ "$USE_CLOUD_INIT" = "yes" ] && declare -f setup_cloud_init >/dev/null 2>&1; then
+  setup_cloud_init \
+    "$VMID" \
+    "$STORAGE" \
+    "$HN" \
+    "yes" \
+    "${CLOUDINIT_USER:-ubuntu}" \
+    "${CLOUDINIT_NETWORK_MODE:-dhcp}" \
+    "${CLOUDINIT_IP:-}" \
+    "${CLOUDINIT_GW:-}" \
+    "${CLOUDINIT_DNS:-${CLOUDINIT_DNS_SERVERS:-1.1.1.1 8.8.8.8}}"
+
+  if [[ "${CLOUDINIT_NETWORK_MODE:-dhcp}" == "static" ]]; then
+    setup_cloud_init_network_no_rename \
+      "$VMID" \
+      "$MAC" \
+      "$CLOUDINIT_IP" \
+      "$CLOUDINIT_GW" \
+      "${CLOUDINIT_DNS:-${CLOUDINIT_DNS_SERVERS:-1.1.1.1 8.8.8.8}}" \
+      "${CLOUDINIT_SEARCH_DOMAIN:-local}"
+  fi
+fi
+
+msg_ok "Created a ${APP} ${CL}${BL}(${HN})"
+if [ "$START_VM" = "yes" ]; then
+  msg_info "Starting ${APP}"
+  $STD qm start $VMID
+  msg_ok "Started ${APP}"
+fi
+
+post_update_to_api "done" "none"
+msg_ok "Completed successfully!\n"
+if [ "$USE_CLOUD_INIT" = "yes" ] && declare -f display_cloud_init_info >/dev/null 2>&1; then
+  display_cloud_init_info "$VMID" "$HN"
+else
+  echo -e "Cloud-Init is disabled. The VM disk was resized on the Proxmox side only.\nIf the guest does not auto-expand its root filesystem after first boot, expand it manually inside the VM.\n\nMore info at https://github.com/community-scripts/ProxmoxVED/discussions/272 \n"
+fi