#!/bin/sh
# vim: set sw=4 ts=4 sts=4 et :

: "${POOL:=default}"
: "${VCPUS:=2}"
: "${MEMORY:=2048}"
: "${DISK_SIZE:=10}"
: "${NETWORK=network=prod}"

VMNAME="$1"

pooldir=$(virsh pool-dumpxml "${POOL}" | xmllint --xpath '//path/text()' -)

vmhost=$(virsh uri | cut -d/ -f3)
ign="${pooldir}/${VMNAME}.ign"
if [ -n "${vmhost}" ]; then
    scp -s "${VMNAME}".ign "${vmhost}:${ign}"
else
    cp "${VMNAME}".ign "${ign}"
fi

image=$(virsh vol-list "${POOL}" \
    | awk '/fedora-coreos-.*-qemu/{print $2}' \
    | sort -V \
    | tail -n1)

virt-install \
    --name "${VMNAME}" \
    --vcpus "${VCPUS}" \
    --memory "${MEMORY}" \
    --os-variant fedora-coreos-stable \
    --graphics none \
    --sound none \
    --disk size="${DISK_SIZE},backing_store=${image}" \
    ${DISK:+--disk "${DISK}"} \
    --network "${NETWORK}" \
    --qemu-commandline="--fw_cfg name=opt/com.coreos/config,file=${ign}" \
    --import