flatcar-scripts/boot_nspawn
Michael Marineau 18da78bdf9 feat(boot_nspawn): Add wrapper script for booting via systemd-nspawn
This script will boot the build target root via systemd-nspawn which is
a mighty bit faster than building and booting vm images. :)

Note: systemd-nspwan doesn't do anything special for networking so port
conflicts for things like sshd are to be expected. Works though. :)
2013-06-08 21:48:47 -04:00

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#!/bin/bash
# Copyright (c) 2013 The CoreOS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
if [[ ! -d /sys/fs/cgroup/systemd ]] || ! systemctl >/dev/null; then
echo "This script must be run in a systemd based environment."
echo "Namely not inside the cros_sdk chroot and not on Ubuntu."
exit 1
fi
SCRIPT_ROOT=$(dirname $(readlink -f "$0"))
. "${SCRIPT_ROOT}/common.sh" || exit 1
DEFINE_string board "${DEFAULT_BOARD}" \
"The board to build root to boot."
FLAGS "$@" || exit 1
if [[ -z "${FLAGS_board}" ]]; then
echo "Error: --board is required."
exit 1
fi
BOARD="${FLAGS_board}"
ROOT="${DEFAULT_CHROOT_DIR}/build/${BOARD}"
STATE="${ROOT}-STATE"
[ -d "$STATE" ] || sudo mkdir -p "$STATE"
sudo systemd-nspawn --boot --read-only --machine="$HOSTNAME-$BOARD" \
--directory="$ROOT" --bind="$STATE:/mnt/stateful_partition"