qemu-template-run

#!/bin/bash

LOCATION=$(cd $(dirname $0)/..; echo $PWD)

NAME=$1
HOMEDATA=$2
RUNDIR=$3
MAC=
HOMEDEV=
SWAPDEV=
KERNEL=
INITRD=
EXPORT=
NFSSERVER=

if [ ! -f "$HOMEDATA" -o -z "$NAME" ] ; then
	echo "Usage $0 VMNAME lustrebuild.tar.xz LOGDIR"
	exit 1
fi

if [ ! -f vmcfg/${NAME}.env ] ; then
	echo "Unknown vm name $NAME"
	exit 1
fi

. ${LOCATION}/vmcfg/"${NAME}.env"

EXTRADEV=
if [ -e "$MDT1DEV" ] ; then
	EXTRADEV+="-drive file=${MDT1DEV},format=raw,if=none,id=drive-virtio-disk2,cache=none -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x7,drive=drive-virtio-disk2,id=virtio-disk2,write-cache=on "
fi
if [ -e "$MDT2DEV" ] ; then
	EXTRADEV+="-drive file=${MDT2DEV},format=raw,if=none,id=drive-virtio-disk3,cache=none -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x8,drive=drive-virtio-disk3,id=virtio-disk3,write-cache=on "
fi
if [ -e "$OST1DEV" ] ; then
	EXTRADEV+="-drive file=${OST1DEV},format=raw,if=none,id=drive-virtio-disk4,cache=none -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x9,drive=drive-virtio-disk4,id=virtio-disk4,write-cache=on "
fi
if [ -e "$OST2DEV" ] ; then
	EXTRADEV+="-drive file=${OST2DEV},format=raw,if=none,id=drive-virtio-disk5,cache=none -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0xa,drive=drive-virtio-disk5,id=virtio-disk5,write-cache=on "
fi

if [ ! -e "$HOMEDEV" -o ! -e "$SWAPDEV" ] ; then
	echo "HOMEDEV and SWAPDEV must be present for all VMs"
	exit 1
fi

if [ -z "$NFSSERVER" -o -z "$EXPORT" ] ; then
	echo "NFSSERVER and EXPORT must be present for all VMs"
	exit 1
fi

if [ ! -f "$KERNEL" -o ! -f "$INITRD" ] ; then
	echo "KERNEL and INITRD must be present for all VMs"
	exit 1
fi

if [ ! -d "$RUNDIR" ] ; then
	echo "RUNDIR must be a directory and exist for all test runs"
	exit 1
fi

VMPREP=/tmp/vmprep.$$
mkdir $VMPREP || exit 2
mkswap -f -L SWAP "${SWAPDEV}" || exit 3
mkfs.ext4 -F "${HOMEDEV}" || exit 4
mount "${HOMEDEV}" $VMPREP -t ext4 || exit 5
tar -C "${VMPREP}"/ -a -x -f ${HOMEDATA} || exit 7
umount "${VMPREP}" || exit 8
rmdir "${VMPREP}" || exit 9

echo "Starting Qemu for $NAME"
qemu-system-x86_64 -nographic -nodefaults -nic bridge,model=virtio,mac=${MAC},br=br0 -name guest=${NAME},debug-threads=on -machine pc-i440fx-1.6,accel=kvm,usb=off,dump-guest-core=off -m 4078 -realtime mlock=off -smp 8,sockets=1,cores=4,threads=2 -rtc base=utc -serial stdio -serial file:"${RUNDIR}"/"${NAME}"-console.txt -drive file="${HOMEDEV}",format=raw,if=none,id=drive-virtio-disk0,cache=none -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,write-cache=on -drive file="${SWAPDEV}",format=raw,if=none,id=drive-virtio-disk1,cache=none ${EXTRADEV} -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x6,drive=drive-virtio-disk1,id=virtio-disk1,write-cache=on $EXTRADEVS -msg timestamp=on -kernel "${KERNEL}" -initrd "${INITRD}" -append "rd.shell root=nfs:${NFSSERVER}:${EXPORT} ro crashkernel=128M panic=1 nomodeset ipmtu=9000 noibrs noibpb nopti console=ttyS1"