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#!/bin/sh
#
# Copyright (c) 2016 Will Andrews
# All rights reserved.
#
# 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
# in this position and unchanged.
# 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 ``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 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.
#
# $FreeBSD$
#
##
# Install a boot environment using the current FreeBSD source tree.
# Requires a fully built world & kernel.
#
# Non-base tools required: beadm, pkg
#
# In a sandbox for the new boot environment, this script also runs etcupdate
# and pkg upgrade automatically in the sandbox. Upon successful completion,
# the system will be ready to boot into the new boot environment. Upon
# failure, the target boot environment will be destroyed. In all cases, the
# running system is left untouched.
#
## Usage:
# beinstall [optional world/kernel flags e.g. KERNCONF]
#
## User modifiable variables - set these in the environment if desired.
# If not empty, 'pkg upgrade' will be skipped.
NO_PKG_UPGRADE="${NO_PKG_UPGRADE:-""}"
# Config updater - 'etcupdate' and 'mergemaster' are supported. Set to an
# empty string to skip.
CONFIG_UPDATER="${CONFIG_UPDATER:-"etcupdate"}"
# Flags for etcupdate if used.
ETCUPDATE_FLAGS="${ETCUPDATE_FLAGS:-"-F"}"
# Flags for mergemaster if used.
MERGEMASTER_FLAGS="${MERGEMASTER_FLAGS:-"-iFU"}"
########################################################################
## Constants
ETCUPDATE_CMD="etcupdate"
MERGEMASTER_CMD="mergemaster"
## Functions
cleanup() {
[ -z "${cleanup_commands}" ] && return
echo "Cleaning up ..."
for command in ${cleanup_commands}; do
${command}
done
}
errx() {
cleanup
echo "error: $*"
exit 1
}
rmdir_be() {
chflags -R noschg ${BE_MNTPT}
rm -rf ${BE_MNTPT}
}
cleanup_be() {
beadm destroy -F ${BENAME}
}
update_mergemaster() {
mergemaster -m $(pwd) -D ${BE_MNTPT} -t ${BE_MM_ROOT} ${MERGEMASTER_FLAGS}
}
update_etcupdate() {
etcupdate -s $(pwd) -D ${BE_MNTPT} ${ETCUPDATE_FLAGS} || return $?
etcupdate resolve -D ${BE_MNTPT}
}
cleanup_commands=""
trap 'errx "Interrupt caught"' HUP INT TERM
[ "$(whoami)" != "root" ] && errx "Must be run as root"
[ ! -f "Makefile.inc1" ] && errx "Must be in FreeBSD source tree"
objdir=$(make -V .OBJDIR 2>/dev/null)
[ ! -d "${objdir}" ] && errx "Must have built FreeBSD from source tree"
if [ -d .git ] ; then
commit_time=$(git show --format='%ct' 2>/dev/null | head -1)
[ $? -ne 0 ] && errx "Can't lookup git commit timestamp"
commit_ts=$(date -r ${commit_time} '+%Y%m%d.%H%M%S')
elif [ -d .svn ] ; then
commit_ts=$( svn info | awk '/Last Changed Date/ {print $4 "." $5}' | tr -d :- )
[ $? -ne 0 ] && errx "Can't lookup Subversion commit timestamp"
else
errx "Unable to determine sandbox type"
fi
commit_ver=$(${objdir}/bin/freebsd-version/freebsd-version -u 2>/dev/null)
[ -z "${commit_ver}" ] && errx "Unable to determine FreeBSD version"
BENAME="${commit_ver}-${commit_ts}"
BE_TMP=$(mktemp -d /tmp/beinstall.XXXXXX)
[ $? -ne 0 -o ! -d ${BE_TMP} ] && errx "Unable to create mountpoint"
[ -z "$NO_CLEANUP_BE" ] && cleanup_commands="rmdir_be ${cleanup_commands}"
BE_MNTPT=${BE_TMP}/mnt
BE_MM_ROOT=${BE_TMP}/mergemaster # mergemaster will create
mkdir -p ${BE_MNTPT}
beadm create ${BENAME} >/dev/null || errx "Unable to create BE ${BENAME}"
[ -z "$NO_CLEANUP_BE" ] && cleanup_commands="cleanup_be ${cleanup_commands}"
beadm mount ${BENAME} ${BE_TMP}/mnt || errx "Unable to mount BE ${BENAME}."
echo "Mounted ${BENAME} to ${BE_MNTPT}, performing install/update ..."
make $* DESTDIR=${BE_MNTPT} installkernel || errx "Installkernel failed!"
make $* DESTDIR=${BE_MNTPT} installworld || errx "Installworld failed!"
if [ -n "${CONFIG_UPDATER}" ]; then
"update_${CONFIG_UPDATER}"
[ $? -ne 0 ] && errx "${CONFIG_UPDATER} failed!"
fi
BE_PKG="chroot ${BE_MNTPT} env ASSUME_ALWAYS_YES=true pkg"
if [ -z "${NO_PKG_UPGRADE}" ]; then
${BE_PKG} update || errx "Unable to update pkg"
${BE_PKG} upgrade || errx "Unable to upgrade pkgs"
fi
beadm unmount ${BENAME} || errx "Unable to unmount BE"
rmdir_be
beadm activate ${BENAME} || errx "Unable to activate BE"
echo
beadm list
echo
echo "Boot environment ${BENAME} setup complete; reboot to use it."
|
