#!/bin/bash

set -e

proc die {
	echo >&2 @ARGV>&2 "$@"
	exit 1
}

setvar img = '/usr/share/clear-containers/clear-containers.img'
setvar img = $(readlink -f "$img")
setvar img_size = $(du -b "${img}" |  awk '{print $1}')

setvar kernel = ""$(pwd)/clear-containers-vmlinux""
setvar kernel_cmdline_file = ""$(pwd)/clear-containers-cmdline""
test -f ${img} || die "Image s required"
test -f ${kernel} || die "Kernel is required"
test -f ${kernel_cmdline_file} || \
	die "Kernel cmdline file is required"

setvar kernel_cmdline = $(cat "$kernel_cmdline_file")

setvar cmd = ""/usr/bin/qemu-lite-system-x86_64""
setvar cmd = ""$cmd -machine pc-lite,accel=kvm,kernel_irqchip,nvdimm""
setvar cmd = ""$cmd -device nvdimm,memdev=mem0,id=nv0""
#image
setvar cmd = ""$cmd -object memory-backend-file,id=mem0,mem-path=${img},size=${img_size}""
#memory
setvar cmd = ""$cmd -m 2G,slots=2,maxmem=3G""
#kernel
setvar cmd = ""$cmd -kernel ${kernel}""
setvar cmd = ""$cmd -append '${kernel_cmdline}'""
#cpu
setvar cmd = ""$cmd -smp 2,sockets=1,cores=2,threads=1""
setvar cmd = ""$cmd -cpu host""
#clock
setvar cmd = ""$cmd -rtc base=utc,driftfix=slew""
setvar cmd = ""$cmd -no-user-config""
setvar cmd = ""$cmd -nodefaults""
setvar cmd = ""$cmd -global""
setvar cmd = ""$cmd kvm-pit.lost_tick_policy=discard""
#console
setvar cmd = ""$cmd -device virtio-serial-pci,id=virtio-serial0""
setvar cmd = ""$cmd -chardev stdio,id=charconsole0,signal=off""
setvar cmd = ""$cmd -device virtconsole,chardev=charconsole0,id=console0""
setvar cmd = ""$cmd -nographic""
setvar cmd = ""$cmd -vga none""

eval $cmd