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

clear
echo "Welches OS soll Installiert werden"
echo 
COLUMNS=6
PS3='Please enter your choice: '
options=("Ubuntu SRV" "Ubuntu GUI" "RHEL" "Quit")
select opt in "${options[@]}"
do
    case $opt in
        "Ubuntu SRV")
            VAR_OS="Ubuntu_64"
            VAR_ISO="ubuntu-20.04.1-live-server-amd64.iso"
            ;;
	"Ubuntu GUI")
	    VAR_OS="Ubuntu_64"
	    VAR_ISO="ubuntu-20.04.1-desktop-amd64.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?: " VAR_QUAN
read -p "Praefix Host Name : " VAR_NAME
read -p "CPUs [1]: " VAR_CPU
read -p "Memory [1024] : " VAR_MEM

# Variablen:
IFS="
"

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

VAR_CPU=${VAR_CPU:-1}
VAR_MEM=${VAR_MEM:-1024}
VAR_VID=32
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 10240 \
          --format VDI

  VBoxManage createhd \
	  --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK2.vdi \
	  --size 10240 \
          --format VDI

  VBoxManage createhd \
	  --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_DISK3.vdi \
	  --size 10240 \
          --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 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