Start QEMU with extra disk for install

start_qemu.sh

#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
#
#  start_qemu.sh
#
#  Copyright (c) 2016 Intel Corporation
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
#

if [ -z "$1" ]; then
    IMAGE=clear.img
else
    IMAGE="$1"
    shift
fi

if [ -z "$1" ]; then
    IMAGE2=""
else
    TARGET_IMAGE_SIZE="$1"
    shift

    TARGET_IMAGE="/tmp/spare_media.img"
    rm -f ${TARGET_IMAGE}
    echo "Creating empty image file '${TARGET_IMAGE}' of size ${TARGET_IMAGE_SIZE}..."
    /usr/bin/qemu-img create -f raw ${TARGET_IMAGE} ${TARGET_IMAGE_SIZE}
    IMAGE2="-drive file=${TARGET_IMAGE},if=virtio,aio=threads,format=raw"
fi

VNC=""
VNC="-vnc 0.0.0.0:0"

if [ -z "$1" ]; then
    GRAPHICS="-vga none -nographic"
else
    GRAPHICS=""
    shift
fi


if [[ "$IMAGE" =~ .xz$ ]]; then
    >&2 echo "File \"$IMAGE\" is still xz compressed. Uncompress it first with \"unxz\""
    exit 1
fi

if [ ! -f "$IMAGE" ]; then
    >&2 echo "Can't find image file \"$IMAGE\""
    exit 1
fi
rm -f debug.log

VMN=${VMN:=1}

    #-object secret,id=sec0,data=P@ssW0rd \
    #-drive driver=luks,key-secret=sec0,file="$IMAGE",if=virtio,aio=threads \
    # -cpu Broadwell \
qemu-system-x86_64 \
    -enable-kvm \
    -bios OVMF.fd \
    -boot menu=on,order=cd,once=dc \
    -smp sockets=1,cpus=4,cores=2 -cpu host \
    -m 4096 \
    $GRAPHICS \
    -drive file="$IMAGE",if=virtio,aio=threads,format=raw \
    $IMAGE2 \
    -netdev user,id=mynet0,hostfwd=tcp::${VMN}0022-:22,hostfwd=tcp::${VMN}2375-:2375,dnssearch=intel.com \
    -device virtio-net-pci,netdev=mynet0 \
    -debugcon file:debug.log -global isa-debugcon.iobase=0x402 $@