#!/bin/sh set -eu export LC_ALL=C SRC_DIR=$(dirname "$(dirname "$(readlink -f "$0")")") TMP_DIR=$(mktemp -d) ORIGINAL_DISK=${SRC_DIR:?}/dist/qemu/wireguard.qcow2 SNAPSHOT_DISK=${TMP_DIR:?}/snapshot.qcow2 USERDATA_YAML=${SRC_DIR:?}/qemu/http/seed/user-data USERDATA_DISK=${TMP_DIR:?}/seed.img # Remove temporary files on exit trap 'rm -rf "${TMP_DIR:?}"; trap - EXIT; exit 0' EXIT TERM INT HUP # Create a snapshot image to preserve the original image qemu-img create -b "${ORIGINAL_DISK:?}" -f qcow2 "${SNAPSHOT_DISK:?}" qemu-img resize "${SNAPSHOT_DISK:?}" +2G # Create a seed image with metadata using cloud-localds cloud-localds "${USERDATA_DISK:?}" "${USERDATA_YAML:?}" # Remove keys from the known_hosts file ssh-keygen -R '[127.0.0.1]:1122' 2>/dev/null ssh-keygen -R '[localhost]:1122' 2>/dev/null # hostfwd helper hostfwd() { printf ',hostfwd=%s::%s-:%s' "$@"; } # Launch VM kvm \ -smp 1 -m 512 \ -nographic -serial mon:stdio \ -device e1000,netdev=n0 \ -netdev user,id=n0"$(hostfwd \ tcp 1122 122 \ udp 51820 51820 \ udp 1053 53 \ tcp 1443 443 \ )" \ -drive file="${SNAPSHOT_DISK:?}",if=virtio,format=qcow2 \ -drive file="${USERDATA_DISK:?}",if=virtio,format=raw