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

#VAR_QUAN=${VAR_QUAN:-1}
#VAR_CPU=${VAR_CPU:-1}
#VAR_MEM=${VAR_MEM:-1024}
VAR_OS_UBU=Ubuntu_64
VAR_OS_RH=RedHat_64
VAR_VID=32
VAR_RDP=339
VAR_NIC=bridged
VAR_NET=en0

# Komponenten der Installation

VAR_PATH="${HOME}/VirtualBox VMs/VDI/"
VAR_UBU=ubu2004_master.vdi
VAR_CO7=centos7_master.vdi
VAR_CO8=centos8_master.vdi


clear

IFS="
"
read -p "Wievile VMs werden benoetigt? [1]: " VAR_QUAN
read -p "Welche Praefix soll die VM erhalten?: " VAR_PRE

PS3='Please enter your choice: '
options=("Ubuntu" "CentOS 7" "CentOS 8" "Quit")
select opt in "${options[@]}"
do
    case $opt in
        "Ubuntu")
            VAR_NAME="${VAR_PRE}"
            VAR_OS="${VAR_OS_UBU}"
            VAR_ISO="${VAR_UBU}"
            ;;
        "CentOS 7")
            VAR_NAME="${VAR_PRE}"
            VAR_OS="${VAR_OS_RH}"
            VAR_ISO="${VAR_CO7}"
            ;;
        "CentOS 8")
            VAR_NAME="${VAR_PRE}"
            VAR_OS="${VAR_OS_RH}"
            VAR_ISO="${VAR_CO8}"
            ;;
        "Quit")
            break
            ;; 
        *)
           echo "invalid option $REPLY"
           ;;
    esac

read -p "Wieviele CPUs? [1] :" VAR_CPU
read -p "Wiviel Memory? [1024] :" VAR_MEM

VAR_CPU=${VAR_CPU:-1}
VAR_MEM=${VAR_MEM:-1024}
VAR_QUAN=${VAR_QUAN:-1}

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

# CPU Memory Netzwerk RDP
echo "Netzwerk"
      VBoxManage modifyvm ${VAR_NAME}-${N} \
          --ioapic on \
          --cpus ${VAR_CPU} \
          --memory ${VAR_MEM} \
          --vram ${VAR_VID} \
          --nic1 NatNetwork \
          --nic2 ${VAR_NIC} \
          --bridgeadapter2 ${VAR_NET} \
          --vrde on \
          --vrdemulticon on \
          --vrdeport ${VAR_RDP}${N}

# Create HD-0
echo "HDD"
        VBoxManage createhd \
          --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_disk0.vdi \
          --size 102400 \
          --format VDI

# Create HD-1
      VBoxManage createhd \
          --filename ${VAR_VB}/${VAR_NAME}-${N}/${VAR_NAME}-${N}_disk1.vdi \
          --size 10240 \
          --format VDI

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

# Attach HD-0 to storage controller
      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

# Attach HD-1 to storage controller
      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

# IDE controller for CD-ROM
      VBoxManage storagectl ${VAR_NAME}-${N} \
          --name "IDE Controller" \
          --add ide \
          --controller PIIX4

# Attach CD-ROM ISO
      VBoxManage storageattach ${VAR_NAME}-${N} \
          --storagectl "IDE Controller" \
          --port 1 \
          --device 0 \
          --type dvddrive \
          --medium ${VAR_PATH}/${VAR_ISO}

# Boot
      VBoxManage modifyvm ${VAR_NAME}-${N} \
          --boot1 dvd \
          --boot2 disk \
          --boot3 none \
          --boot4 none

    done
break
done