freebsd-dev/release/scripts/mk-vmimage.sh
Nathan Whitehorn 1ca8842f3a Use makefs(8) in release VM-image generation instead of md(4) and newfs.
Using makefs instead reduces the privileges needed to build VM images,
simplifies the script (no need to copy files to a fresh image at the end),
and improves portability by allowing generation of cross-endian images.
As a result of the last, this patch also adds support for generation of
powerpc64 and powerpc64le VM images.

No other changes to the output. Tested and working for both amd64 and
powerpc64 targets.

Reviewed by:	gjb
Differential Revision:	https://reviews.freebsd.org/D28912
2021-02-24 21:16:56 -05:00

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#!/bin/sh
#-
# Copyright (c) 2014, 2015 The FreeBSD Foundation
# All rights reserved.
#
# This software was developed by Glen Barber under sponsorship
# from the FreeBSD Foundation.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# mk-vmimage.sh: Create virtual machine disk images in various formats.
#
# $FreeBSD$
#
usage() {
echo "${0} usage:"
echo "${@}"
return 1
}
main() {
local arg
VMCONFIG="/dev/null"
while getopts "C:c:d:f:i:o:s:S:" arg; do
case "${arg}" in
C)
VMBUILDCONF="${OPTARG}"
;;
c)
VMCONFIG="${OPTARG}"
;;
d)
DESTDIR="${OPTARG}"
;;
f)
VMFORMAT="${OPTARG}"
;;
i)
VMBASE="${OPTARG}"
;;
o)
VMIMAGE="${OPTARG}"
;;
s)
VMSIZE="${OPTARG}"
;;
S)
WORLDDIR="${OPTARG}"
;;
*)
;;
esac
done
shift $(( ${OPTIND} - 1))
if [ -z "${VMBASE}" -o \
-z "${WORLDDIR}" -o \
-z "${DESTDIR}" -o \
-z "${VMSIZE}" -o \
-z "${VMIMAGE}" ];
then
usage || exit 0
fi
if [ -z "${VMBUILDCONF}" ] || [ ! -e "${VMBUILDCONF}" ]; then
echo "Must provide the path to vmimage.subr."
return 1
fi
. "${VMBUILDCONF}"
if [ ! -z "${VMCONFIG}" ] && [ ! -c "${VMCONFIG}" ]; then
. "${VMCONFIG}"
fi
vm_create_base
vm_install_base
vm_extra_install_base
vm_extra_install_packages
vm_extra_install_ports
vm_extra_enable_services
vm_extra_pre_umount
vm_extra_pkg_rmcache
cleanup
vm_copy_base
vm_create_disk || return 0
vm_extra_create_disk
return 0
}
main "$@"