#!/bin/bash

usage() {
	cat << EEOF
Usage:
  makevm <newvm> [clonevm]
EEOF
}

if [ ! $1 ]; then
	usage
	exit 1
fi

NEWVM=$1
CLONEVM=$2
SYSDISK=/dev/vg0/$NEWVM
SYSDISKFILE=$VBOX_USER_HOME/Disks/$NEWVM/$NEWVM.vmdk
CLONEDISK=/dev/vg0/$CLONEVM
CLONEDISKFILE=$VBOX_USER_HOME/Disks/$CLONEVM/$CLONEVM.vmdk
NEWVNC=`python nextvnc.py`
if [ $NEWVNC -lt 5900 ]; then
	echo "Python error $NEWVNC"
	exit 99
fi

NEWMAC_LASTPART=`python -c "print '%.2d' % ($(($NEWVNC - ($NEWVNC / 100 * 100))),)"`
NEWMAC=aa:aa:aa:00:$(($NEWVNC / 100)):$NEWMAC_LASTPART
VBOXMAC=`echo $NEWMAC | sed -e 's/://g'`

if [ $CLONEVM ]; then
	#lvcreate -L 10G -n $NEWVM vg0
	vboxmanage internalcommands createrawvmdk -filename $SYSDISKFILE -rawdisk $SYSDISK || exit 250
	vboxmanage clonehd $CLONEDISKFILE $SYSDISKFILE --existing --remember || exit 250
else
	lvcreate -L 10G -n $NEWVM vg0 || exit 250
	vboxmanage internalcommands createrawvmdk -filename $SYSDISKFILE -rawdisk $SYSDISK || exit 250
	#vboxmanage createhd --filename $SYSDISK --size 10000 --variant Fixed --remember || exit 250
fi
vboxmanage createvm --name $NEWVM --ostype Ubuntu_64 --register || exit 250
vboxmanage modifyvm $NEWVM --memory 512 --nic1 bridged --nictype1 Am79C973 --nicspeed1 1000000 --bridgeadapter1 eth0 --macaddress1 $VBOXMAC --boot1 disk --boot2 dvd --boot3 net || exit 250
vboxmanage storagectl $NEWVM --name sata0 --add sata --sataportcount 30 || exit 250
vboxmanage storageattach $NEWVM --storagectl sata0 --port 1 --device 0 --type hdd --medium $SYSDISKFILE || exit 250

echo $NEWVM $NEWMAC $NEWVNC 0 >> /srv/vmlist

echo "Done!"
echo "Machine '$NEWVM' with MAC '$NEWMAC' on port '$NEWVNC' created successfully!"