#!/bin/bash
# 
# @Branislav Zeljak v0.1
# 
# Create VBox

clear
echo "Welches OS soll Installiert werden"
echo 
COLUMNS=10
PS3="Please enter your choice: "
options=("Ubuntu 2004 SRV" "Ubuntu 2004 GUI" "Ubuntu 2204 SRV" "Ubuntu 2204 GUI" "Debian" "RHEL" "Quit")
select opt in "${options[@]}"
do
    case $opt in
        "Ubuntu 2004 SRV")
            VAR_OS="Ubuntu_64"
            VAR_ISO="ubuntu-20.04.3-live-server-amd64.iso"
            ;;
        "Ubuntu 2004 GUI")
            VAR_OS="Ubuntu_64"
            VAR_ISO="ubuntu-20.04.3-desktop-amd64.iso"
            ;;
        "Ubuntu 2204 SRV")
            VAR_OS="Ubuntu_64"
            VAR_ISO="ubuntu-22.04-live-server-amd64.iso"
            ;;
        "Ubuntu 2204 GUI")
            VAR_OS="Ubuntu_64"
            VAR_ISO="ubuntu-22.04-desktop-amd64.iso"
            ;;
		    "Debian")
		        VAR_OS="Debian_64"
		        VAR_ISO="debian-11.1.0-amd64-DVD-1.iso"
            ;;
        "RHEL")
            VAR_OS="RedHat_64"
            VAR_ISO="rhel-8.4-x86_64-dvd.iso"
            ;;
        "Quit")
            break
            ;; 
        *)
           echo "invalid option $REPLY"
           ;;
    esac

# Eingabe Auffoderung
read -p "Wievile VMs werden benoetigt? [1]: " VAR_QUAN
read -p "Praefix Host Name : " VAR_NAME
read -p "CPUs [1]: " VAR_CPU
read -p "Memory [2048] : " VAR_MEM

# Variablen:
IFS="
"

VAR_PATH="/srv/data/ISO/"
VAR_VB="/srv/vbox"

VAR_CPU=${VAR_CPU:-1}
VAR_MEM=${VAR_MEM:-2048}
VAR_VID=64
VAR_RDP=339
VAR_NIC=bridged
VAR_NET=enp4s0f1

# Schliefe zur erzeugung der VMs
for N in $(seq 1 $VAR_QUAN)
do
  VBoxManage createvm \
   --name ${VAR_NAME}-${N} \
   --ostype ${VAR_OS} \
   --register \
   --basefolder ${VAR_NAME}-${N}

  VBoxManage modifyvm ${VAR_NAME}-${N} \
    --ioapic on \
    --cpus ${VAR_CPU} \
    --memory ${VAR_MEM} \
    --vram ${VAR_VID} \
    --graphicscontroller vmsvga \
    --nic1 Nat \
    --nic2 ${VAR_NIC} \
    --bridgeadapter2 ${VAR_NET} \
    --vrde on \
    --vrdemulticon on \
    --vrdeport ${VAR_RDP}${N}
  
  VBoxManage createhd \
    --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK0.vdi \
    --size 102400 \
    --format VDI
  
  VBoxManage createhd \
    --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK1.vdi \
    --size 102400 \
    --format VDI

  VBoxManage createhd \
    --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK2.vdi \
    --size 102400 \
    --format VDI

  VBoxManage createhd \
    --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK3.vdi \
    --size 102400 \
    --format VDI

  VBoxManage createhd \
    --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK4.vdi \
    --size 102400 \
    --format VDI
  
  VBoxManage storagectl ${VAR_NAME}-${N} \
    --name "SATA Controller" \
    --add sata \
    --controller IntelAhci
  
  VBoxManage storageattach ${VAR_NAME}-${N} \
    --storagectl "SATA Controller" \
    --port 0 \
    --device 0 \
    --type hdd \
    --medium  ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK0.vdi
  
  VBoxManage storageattach ${VAR_NAME}-${N} \
    --storagectl "SATA Controller" \
    --port 1 \
    --device 0 \
    --type hdd \
    --medium  ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK1.vdi

  VBoxManage storageattach ${VAR_NAME}-${N} \
    --storagectl "SATA Controller" \
    --port 2 \
    --device 0 \
    --type hdd \
    --medium  ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK2.vdi

  VBoxManage storageattach ${VAR_NAME}-${N} \
    --storagectl "SATA Controller" \
    --port 3 \
    --device 0 \
    --type hdd \
    --medium  ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK3.vdi

  VBoxManage storageattach ${VAR_NAME}-${N} \
    --storagectl "SATA Controller" \
    --port 4 \
    --device 0 \
    --type hdd \
    --medium  ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK4.vdi
  
  VBoxManage storagectl ${VAR_NAME}-${N} \
    --name "IDE Controller" \
    --add ide \
    --controller PIIX4
  
  VBoxManage storageattach ${VAR_NAME}-${N} \
    --storagectl "IDE Controller" \
    --port 1 \
    --device 0 \
    --type dvddrive \
    --medium ${VAR_PATH}/${VAR_ISO}
  
  VBoxManage modifyvm ${VAR_NAME}-${N} \
    --boot1 dvd \
    --boot2 disk \
    --boot3 none \
    --boot4 none
done
break
done