#!/bin/sh
#
# Copyright (c) 2006 The FreeBSD Project
# 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.
# 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.
#
#
# PROVIDE: mdconfig2
# REQUIRE: mountcritremote
# BEFORE: SERVERS
. /etc/rc.subr
name="mdconfig2"
desc="Create and control memory disks"
stop_cmd="mdconfig2_stop"
start_cmd="mdconfig2_start"
start_precmd='[ -n "${_mdconfig2_list}" ]'
required_modules="geom_md:g_md"
is_readonly()
{
local _mp _ret
_mp=$1
_ret=`mount | while read _line; do
case ${_line} in
*" ${_mp} "*read-only*)
echo "yes"
;;
*)
;;
esac;
done`
if [ -n "${_ret}" ]; then
return 0
else
return 1
fi
}
init_variables()
{
local _i
_fs=""
_mp=""
_mounted="no"
_dev="/dev/${_md}"
eval _config=\$mdconfig_${_md}
eval _owner=\$mdconfig_${_md}_owner
eval _perms=\$mdconfig_${_md}_perms
eval _files=\$mdconfig_${_md}_files
eval _populate=\$mdconfig_${_md}_cmd
_type=${_config##*-t\ }
_type=${_type%%\ *}
if [ -z "${_type}" ]; then
err 1 "You need to specify \"-t <type>\" in mdconfig_${_md}"
fi
if [ "${_type}" = "vnode" ]; then
_file=${_config##*-f\ }
_file=${_file%%\ *}
if [ -z "${_file}" ]; then
err 2 "You need to specify \"-f <file>\" in mdconfig_${_md} for vnode devices"
fi
if [ "${_file}" != "${_file%.uzip}" ]; then
_dev="/dev/${_md}.uzip"
fi
for _i in `df ${_file} 2>/dev/null`; do _fs=${_i}; done
fi
# Debugging help.
debug "${_md} config: ${_config}"
debug "${_md} type: ${_type}"
debug "${_md} dev: ${_dev}"
debug "${_md} file: ${_file}"
debug "${_md} fs: ${_fs}"
debug "${_md} owner: ${_owner}"
debug "${_md} perms: ${_perms}"
debug "${_md} files: ${_files}"
debug "${_md} populate cmd: ${_populate}"
}
mdconfig2_start()
{
local _md _fs _mp _mounted _dev _config _type _file _owner _perms _files _populate _fsck_cmd _i
for _md in ${_mdconfig2_list}; do
init_variables ${_md}
if [ ! -r ${_file} ]; then
err 3 "${_file} doesn't exist"
continue
fi
# First pass: create md(4) vnode devices from files stored on
# non-root partition. Swap and malloc md(4) devices have already
# been created.
if [ "${_type}" = "vnode" -a "${_fs}" != "/" ]; then
if [ "${_file}" != "${_file%.uzip}" ]; then
load_kld -m g_uzip geom_uzip || return 3
fi
if is_readonly ${_fs}; then
warn "${_fs} is mounted read-only, skipping ${_md}."
continue
fi
if mdconfig -l -u ${_md} >/dev/null 2>&1; then
err 3 "${_md} already exists"
fi
echo "Creating ${_md} device (${_type})."
if ! mdconfig -a ${_config} -u ${_md}; then
echo "Creating ${_md} device failed, moving on."
continue
fi
# Skip fsck for uzip devices.
if [ "${_file}" != "${_file%.uzip}" ]; then
_fsck_cmd=":"
elif checkyesno background_fsck; then
_fsck_cmd="fsck -F"
else
_fsck_cmd="fsck"
fi
if ! eval ${_fsck_cmd} -p ${_dev} >/dev/null; then
echo "Fsck failed on ${_dev}, not mounting the filesystem."
continue
fi
if mount -d ${_dev} >/dev/null 2>&1; then
echo "Mounting ${_dev}."
mount ${_dev}
fi
fi
for _i in `df ${_dev} 2>/dev/null`; do _mp=${_i}; done
if [ ! -z "${_mp}" -a "${_mp}" = "${_mp%%%}" ]; then
_mounted="yes"
fi
if checkyesno _mounted; then
# Second pass: change permissions and ownership.
[ -z "${_owner}" ] || chown -f ${_owner} ${_dev} ${_mp}
[ -z "${_perms}" ] || chmod -f ${_perms} ${_dev} ${_mp}
# Third pass: populate with foreign files.
if [ -n "${_files}" -o -n "${_populate}" ]; then
echo "Populating ${_dev}."
fi
if [ -n "${_files}" ]; then
cp -Rp ${_files} ${_mp}
fi
if [ -n "${_populate}" ]; then
eval ${_populate}
fi
fi
done
}
mdconfig2_stop()
{
local _md _fs _mp _mounted _dev _config _type _file _owner _perms _files _populate
for _md in ${_mdconfig2_list}; do
init_variables ${_md}
if [ "${_type}" = "vnode" ]; then
for i in `df ${_dev} 2>/dev/null`; do _mp=$i; done
if [ ! -r "${_file}" -o "${_fs}" = "/" ]; then
continue
fi
if [ -z "${_mp}" -o "${_mp}" != "${_mp%%%}" ]; then
echo "Device ${_dev} isn't mounted."
else
echo "Umounting ${_dev}."
umount ${_dev}
fi
if mdconfig -l -u ${_md} >/dev/null 2>&1; then
echo "Destroying ${_md}."
mdconfig -d -u ${_md}
fi
fi
done
}
_mdconfig2_cmd="$1"
if [ $# -gt 0 ]; then
shift
fi
[ -n "$*" ] && _mdconfig2_list="$*"
load_rc_config $name
if [ -z "${_mdconfig2_list}" ]; then
for _mdconfig2_config in `list_vars mdconfig_md[0-9]\* |
sort_lite -nk1.12`
do
_mdconfig2_unit=${_mdconfig2_config#mdconfig_md}
[ "${_mdconfig2_unit#*[!0-9]}" = "$_mdconfig2_unit" ] ||
continue
_mdconfig2_list="$_mdconfig2_list md$_mdconfig2_unit"
done
_mdconfig2_list="${_mdconfig2_list# }"
fi
run_rc_command "${_mdconfig2_cmd}"
plain