#!/bin/sh
# Copyright 2022 Northern.tech AS
#
#    Licensed under the Apache License, Version 2.0 (the "License");
#    you may not use this file except in compliance with the License.
#    You may obtain a copy of the License at
#
#        http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS,
#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#    See the License for the specific language governing permissions and
#    limitations under the License.

set -e

if [ -z "$DISK_IMG" ]; then
    echo "ERROR: DISK_IMG is not set"
    exit 1
fi

# Look for OVMF_CODE.fd in /usr/share
ovmf_file=$(find /usr/share -type f -and -name OVMF_CODE.fd 2>/dev/null | head -1)
if [ -z "${ovmf_file}" ]; then
    echo "ERROR: could not find OVMF file"
    exit 1
fi

if [ "$QEMU_NO_SECURE_BOOT" != "1" ]; then
    OVMF_VARS="-drive file=$(dirname "$0")/../../tests/uefi-nvram/OVMF_VARS.fd,if=pflash,format=raw,unit=1,readonly=on"
fi

qemu-system-x86_64 \
    -enable-kvm \
    -nographic \
    -m 512 \
    -net user,hostfwd=tcp::8822-:22 \
    -net nic,macaddr=52:54:00$(od -txC -An -N3 /dev/urandom|tr \  :) \
    -drive file=${ovmf_file},if=pflash,format=raw,unit=0,readonly=on \
    $OVMF_VARS \
    -drive format=raw,file=${DISK_IMG} &

qemu_pid=$!

trap qemu_cleanup HUP KILL TERM

qemu_cleanup() {
    kill -s TERM $qemu_pid
}

echo "QEMU started with PID $qemu_pid"
wait $qemu_pid