Docker-VM: Add Disk Size choice (#4241)

* Add Disk Size Choice to Advanced

* Add Disk Size Choice to Advanced

Author: michelroegl-brunner

vm/docker-vm.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # Copyright (c) 2021-2025 community-scripts ORG
-# Author: thost96 (thost96)
+# Author: thost96 (thost96) | Co-Author: michelroegl-brunner
 # License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
 
 source /dev/stdin <<<$(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/api.func)
@@ -26,7 +26,7 @@ METHOD=""
 NSAPP="debian12vm"
 var_os="debian"
 var_version="12"
-DISK_SIZE="8G"
+DISK_SIZE="4G"
 
 YW=$(echo "\033[33m")
 BL=$(echo "\033[36m")
@@ -57,19 +57,19 @@ function error_handler() {
 }
 
 function cleanup_vmid() {
-  if qm status $VMID &>/dev/null; then
-    qm stop $VMID &>/dev/null
-    qm destroy $VMID &>/dev/null
+  if qm status "$VMID" &>/dev/null; then
+    qm stop "$VMID" &>/dev/null
+    qm destroy "$VMID" &>/dev/null
   fi
 }
 
 function cleanup() {
   popd >/dev/null
-  rm -rf $TEMP_DIR
+  rm -rf "$TEMP_DIR"
 }
 
 TEMP_DIR=$(mktemp -d)
-pushd $TEMP_DIR >/dev/null
+pushd "$TEMP_DIR" >/dev/null
 if whiptail --backtitle "Proxmox VE Helper Scripts" --title "Docker VM" --yesno "This will create a New Docker VM. Proceed?" 10 58; then
   :
 else
@@ -146,6 +146,7 @@ function default_settings() {
   FORMAT=",efitype=4m"
   MACHINE=""
   DISK_CACHE=""
+  DISK_SIZE="4G"
   HN="docker"
   CPU_TYPE=""
   CORE_COUNT="2"
@@ -159,6 +160,7 @@ function default_settings() {
   echo -e "${DGN}Using Virtual Machine ID: ${BGN}${VMID}${CL}"
   echo -e "${DGN}Using Machine Type: ${BGN}i440fx${CL}"
   echo -e "${DGN}Using Disk Cache: ${BGN}None${CL}"
+  echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}$DISK_SIZE${CL}"
   echo -e "${DGN}Using Hostname: ${BGN}${HN}${CL}"
   echo -e "${DGN}Using CPU Model: ${BGN}KVM64${CL}"
   echo -e "${DGN}Allocated Cores: ${BGN}${CORE_COUNT}${CL}"
@@ -174,7 +176,7 @@ function default_settings() {
 function advanced_settings() {
   METHOD="advanced"
   while true; do
-    if VMID=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Virtual Machine ID" 8 58 $NEXTID --title "VIRTUAL MACHINE ID" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
+    if VMID=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Virtual Machine ID" 8 58 "$NEXTID" --title "VIRTUAL MACHINE ID" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
       if [ -z "$VMID" ]; then
         VMID="$NEXTID"
       fi
@@ -194,7 +196,7 @@ function advanced_settings() {
     "i440fx" "Machine i440fx" ON \
     "q35" "Machine q35" OFF \
     3>&1 1>&2 2>&3); then
-    if [ $MACH = q35 ]; then
+    if [ "$MACH" = q35 ]; then
       echo -e "${DGN}Using Machine Type: ${BGN}$MACH${CL}"
       FORMAT=""
       MACHINE=" -machine q35"
@@ -207,11 +209,26 @@ function advanced_settings() {
     exit-script
   fi
 
+  if DISK_SIZE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Disk Size in GiB (e.g., 10, 20)" 8 58 "$DISK_SIZE" --title "DISK SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
+    DISK_SIZE=$(echo "$DISK_SIZE" | tr -d ' ')
+    if [[ "$DISK_SIZE" =~ ^[0-9]+$ ]]; then
+      DISK_SIZE="${DISK_SIZE}G"
+      echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}$DISK_SIZE${CL}"
+    elif [[ "$DISK_SIZE" =~ ^[0-9]+G$ ]]; then
+      echo -e "${DISKSIZE}${BOLD}${DGN}Disk Size: ${BGN}$DISK_SIZE${CL}"
+    else
+      echo -e "${DISKSIZE}${BOLD}${RD}Invalid Disk Size. Please use a number (e.g., 10 or 10G).${CL}"
+      exit-script
+    fi
+  else
+    exit-script
+  fi
+
   if DISK_CACHE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "DISK CACHE" --radiolist "Choose" --cancel-button Exit-Script 10 58 2 \
     "0" "None (Default)" ON \
     "1" "Write Through" OFF \
     3>&1 1>&2 2>&3); then
-    if [ $DISK_CACHE = "1" ]; then
+    if [ "$DISK_CACHE" = "1" ]; then
       echo -e "${DGN}Using Disk Cache: ${BGN}Write Through${CL}"
       DISK_CACHE="cache=writethrough,"
     else
@@ -223,11 +240,11 @@ function advanced_settings() {
   fi
 
   if VM_NAME=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Hostname" 8 58 docker --title "HOSTNAME" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-    if [ -z $VM_NAME ]; then
+    if [ -z "$VM_NAME" ]; then
       HN="docker"
       echo -e "${DGN}Using Hostname: ${BGN}$HN${CL}"
     else
-      HN=$(echo ${VM_NAME,,} | tr -d ' ')
+      HN=$(echo "${VM_NAME,,}" | tr -d ' ')
       echo -e "${DGN}Using Hostname: ${BGN}$HN${CL}"
     fi
   else
@@ -238,7 +255,7 @@ function advanced_settings() {
     "0" "KVM64 (Default)" ON \
     "1" "Host" OFF \
     3>&1 1>&2 2>&3); then
-    if [ $CPU_TYPE1 = "1" ]; then
+    if [ "$CPU_TYPE1" = "1" ]; then
       echo -e "${DGN}Using CPU Model: ${BGN}Host${CL}"
       CPU_TYPE=" -cpu host"
     else
@@ -250,7 +267,7 @@ function advanced_settings() {
   fi
 
   if CORE_COUNT=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Allocate CPU Cores" 8 58 2 --title "CORE COUNT" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-    if [ -z $CORE_COUNT ]; then
+    if [ -z "$CORE_COUNT" ]; then
       CORE_COUNT="2"
       echo -e "${DGN}Allocated Cores: ${BGN}$CORE_COUNT${CL}"
     else
@@ -261,7 +278,7 @@ function advanced_settings() {
   fi
 
   if RAM_SIZE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Allocate RAM in MiB" 8 58 4096 --title "RAM" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-    if [ -z $RAM_SIZE ]; then
+    if [ -z "$RAM_SIZE" ]; then
       RAM_SIZE="4096"
       echo -e "${DGN}Allocated RAM: ${BGN}$RAM_SIZE${CL}"
     else
@@ -272,7 +289,7 @@ function advanced_settings() {
   fi
 
   if BRG=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a Bridge" 8 58 vmbr0 --title "BRIDGE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-    if [ -z $BRG ]; then
+    if [ -z "$BRG" ]; then
       BRG="vmbr0"
       echo -e "${DGN}Using Bridge: ${BGN}$BRG${CL}"
     else
@@ -282,8 +299,8 @@ function advanced_settings() {
     exit-script
   fi
 
-  if MAC1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a MAC Address" 8 58 $GEN_MAC --title "MAC ADDRESS" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-    if [ -z $MAC1 ]; then
+  if MAC1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a MAC Address" 8 58 "$GEN_MAC" --title "MAC ADDRESS" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
+    if [ -z "$MAC1" ]; then
       MAC="$GEN_MAC"
       echo -e "${DGN}Using MAC Address: ${BGN}$MAC${CL}"
     else
@@ -295,7 +312,7 @@ function advanced_settings() {
   fi
 
   if VLAN1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set a Vlan(leave blank for default)" 8 58 --title "VLAN" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-    if [ -z $VLAN1 ]; then
+    if [ -z "$VLAN1" ]; then
       VLAN1="Default"
       VLAN=""
       echo -e "${DGN}Using Vlan: ${BGN}$VLAN1${CL}"
@@ -308,7 +325,7 @@ function advanced_settings() {
   fi
 
   if MTU1=$(whiptail --backtitle "Proxmox VE Helper Scripts" --inputbox "Set Interface MTU Size (leave blank for default)" 8 58 --title "MTU SIZE" --cancel-button Exit-Script 3>&1 1>&2 2>&3); then
-    if [ -z $MTU1 ]; then
+    if [ -z "$MTU1" ]; then
       MTU1="Default"
       MTU=""
       echo -e "${DGN}Using Interface MTU Size: ${BGN}$MTU1${CL}"
@@ -358,9 +375,9 @@ post_to_api_vm
 
 msg_info "Validating Storage"
 while read -r line; do
-  TAG=$(echo $line | awk '{print $1}')
-  TYPE=$(echo $line | awk '{printf "%-10s", $2}')
-  FREE=$(echo $line | numfmt --field 4-6 --from-unit=K --to=iec --format %.2f | awk '{printf( "%9sB", $6)}')
+  TAG=$(echo "$line" | awk '{print $1}')
+  TYPE=$(echo "$line" | awk '{printf "%-10s", $2}')
+  FREE=$(echo "$line" | numfmt --field 4-6 --from-unit=K --to=iec --format %.2f | awk '{printf( "%9sB", $6)}')
   ITEM="  Type: $TYPE Free: $FREE "
   OFFSET=2
   if [[ $((${#ITEM} + $OFFSET)) -gt ${MSG_MAX_LENGTH:-} ]]; then
@@ -390,10 +407,10 @@ sleep 2
 msg_ok "${CL}${BL}${URL}${CL}"
 curl -f#SL -o "$(basename "$URL")" "$URL"
 echo -en "\e[1A\e[0K"
-FILE=$(basename $URL)
+FILE=$(basename "$URL")
 msg_ok "Downloaded ${CL}${BL}${FILE}${CL}"
 
-STORAGE_TYPE=$(pvesm status -storage $STORAGE | awk 'NR>1 {print $2}')
+STORAGE_TYPE=$(pvesm status -storage "$STORAGE" | awk 'NR>1 {print $2}')
 case $STORAGE_TYPE in
 nfs | dir)
   DISK_EXT=".qcow2"
@@ -411,8 +428,8 @@ btrfs)
 esac
 for i in {0,1}; do
   disk="DISK$i"
-  eval DISK${i}=vm-${VMID}-disk-${i}${DISK_EXT:-}
-  eval DISK${i}_REF=${STORAGE}:${DISK_REF:-}${!disk}
+  eval DISK"${i}"=vm-"${VMID}"-disk-"${i}"""${DISK_EXT:-"}"
+  eval DISK"${i}"_REF="${STORAGE}":"${DISK_REF:-}"""${!disk"}"
 done
 
 msg_info "Installing Pre-Requisite libguestfs-tools onto Host"
@@ -435,10 +452,9 @@ pvesm alloc $STORAGE $VMID $DISK0 4M 1>&/dev/null
 qm importdisk $VMID ${FILE} $STORAGE ${DISK_IMPORT:-} 1>&/dev/null
 qm set $VMID \
   -efidisk0 ${DISK0_REF}${FORMAT} \
-  -scsi0 ${DISK1_REF},${DISK_CACHE}${THIN}size=2G \
+  -scsi0 ${DISK1_REF},${DISK_CACHE}${THIN}size=${DISK_SIZE} \
   -boot order=scsi0 \
   -serial0 socket >/dev/null
-qm resize $VMID scsi0 8G >/dev/null
 qm set $VMID --agent enabled=1 >/dev/null
 
 DESCRIPTION=$(
@@ -473,6 +489,14 @@ EOF
 )
 qm set "$VMID" -description "$DESCRIPTION" >/dev/null
 
+if [ -n "$DISK_SIZE" ]; then
+  msg_info "Resizing disk to $DISK_SIZE GB"
+  qm resize $VMID scsi0 ${DISK_SIZE} >/dev/null
+else
+  msg_info "Using default disk size of $DEFAULT_DISK_SIZE GB"
+  qm resize $VMID scsi0 ${DEFAULT_DISK_SIZE} >/dev/null
+fi
+
 msg_ok "Created a Docker VM ${CL}${BL}(${HN})"
 if [ "$START_VM" == "yes" ]; then
   msg_info "Starting Docker VM"