#!/bin/bash
# 
# @Branislav Zeljak v0.1
# 
# Create VBox
user=$(whoami)
clear
echo User / Passwort "user00/Start1234"
echo "Welches VDI-OS soll Installiert werden"
echo
COLUMNS=8
PS3='Please enter your choice: '
options=("Ubuntu 2204 SRV" "Ubuntu 2204 GUI" "Quit")
select opt in "${options[@]}"
do
    case $opt in
	    "Ubuntu 2204 SRV")
		    VAR_OS="Ubuntu_64"
		    VAR_VDI="ubu2204-SRV.vdi"
		    ;;
	    "Ubuntu 2204 GUI")
		    VAR_OS="Ubuntu_64"
		    VAR_VDI="ubu2204-GUI.vdi"
		    ;;
	    *)
		    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/VDI"
VAR_VB="/srv/vbox/${user}"

VAR_CPU=${VAR_CPU:-1}
VAR_MEM=${VAR_MEM:-1024}
VAR_VID=64
VAR_RDP=339
VAR_NIC=bridged
VAR_NET=enp4s0f1

# Schleife
for N in $(seq 1 $VAR_QUAN)
do
    VBoxManage createvm \
	    --name ${VAR_NAME}-${N} \
	    --ostype ${VAR_OS} \
	    --register \
	    --basefolder ${VAR_VB}

    VBoxManage modifyvm ${VAR_NAME}-${N} \
	    --ioapic on \
	    --memory ${VAR_MEM} \
	    --cpus=${VAR_CPU} \
	    --vram ${VAR_VID} \
	    --nic1 Nat \
        --graphicscontroller vmsvga \
        --nic2 ${VAR_NIC} \
	    --bridgeadapter2 ${VAR_NET} \
	    --vrde on \
	    --vrdemulticon on \
	    --vrdeport ${VAR_RDP}${N}

    VBoxManage storagectl ${VAR_NAME}-${N} \
	    --name "SATA Controller" \
	    --add sata \
	    --controller IntelAhci
    done

# Damit das Clonen der HDDs paralell vorgenommen wird.
#echo > clonehd.txt

for N in $(seq 1 $VAR_QUAN)
do

echo "VBoxManage clonehd ${VAR_PATH}/${VAR_VDI} ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}-disk0.vdi" >> clonehd.txt

done

cat clonehd.txt | parallel


for N in $(seq 1 $VAR_QUAN)
do
	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 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 /usr/lib/virtualbox/additions/VBoxGuestAdditions.iso

    VBoxManage modifyvm ${VAR_NAME}-${N} \
	    --boot1 disk \
	    --boot2 none \
	    --boot3 none \
	    --boot4 none
  done
break
done
rm /srv/data/GIT/Virtualbox/clonehd.txt