This keeps most startup scripts as CONFS per discussion on src-committers from back during BSDCan. Approved by: will (mentor) Differential Revision: https://reviews.freebsd.org/D16466
228 lines
5.9 KiB
Bash
Executable File
228 lines
5.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2006 The FreeBSD Project
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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# PROVIDE: mdconfig2
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# REQUIRE: mountcritremote
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# BEFORE: SERVERS
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. /etc/rc.subr
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name="mdconfig2"
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desc="Create and control memory disks"
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stop_cmd="mdconfig2_stop"
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start_cmd="mdconfig2_start"
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start_precmd='[ -n "${_mdconfig2_list}" ]'
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required_modules="geom_md:g_md"
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is_readonly()
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{
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local _mp _ret
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_mp=$1
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_ret=`mount | while read _line; do
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case ${_line} in
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*" ${_mp} "*read-only*)
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echo "yes"
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;;
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*)
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;;
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esac;
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done`
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if [ -n "${_ret}" ]; then
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return 0
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else
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return 1
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fi
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}
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init_variables()
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{
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local _i
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_fs=""
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_mp=""
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_mounted="no"
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_dev="/dev/${_md}"
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eval _config=\$mdconfig_${_md}
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eval _owner=\$mdconfig_${_md}_owner
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eval _perms=\$mdconfig_${_md}_perms
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eval _files=\$mdconfig_${_md}_files
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eval _populate=\$mdconfig_${_md}_cmd
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_type=${_config##*-t\ }
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_type=${_type%%\ *}
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if [ -z "${_type}" ]; then
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err 1 "You need to specify \"-t <type>\" in mdconfig_${_md}"
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fi
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if [ "${_type}" = "vnode" ]; then
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_file=${_config##*-f\ }
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_file=${_file%%\ *}
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if [ -z "${_file}" ]; then
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err 2 "You need to specify \"-f <file>\" in mdconfig_${_md} for vnode devices"
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fi
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if [ "${_file}" != "${_file%.uzip}" ]; then
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_dev="/dev/${_md}.uzip"
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fi
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for _i in `df ${_file} 2>/dev/null`; do _fs=${_i}; done
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fi
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# Debugging help.
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debug "${_md} config: ${_config}"
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debug "${_md} type: ${_type}"
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debug "${_md} dev: ${_dev}"
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debug "${_md} file: ${_file}"
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debug "${_md} fs: ${_fs}"
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debug "${_md} owner: ${_owner}"
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debug "${_md} perms: ${_perms}"
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debug "${_md} files: ${_files}"
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debug "${_md} populate cmd: ${_populate}"
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}
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mdconfig2_start()
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{
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local _md _fs _mp _mounted _dev _config _type _file _owner _perms _files _populate _fsck_cmd _i
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for _md in ${_mdconfig2_list}; do
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init_variables ${_md}
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if [ ! -r ${_file} ]; then
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err 3 "${_file} doesn't exist"
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continue
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fi
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# First pass: create md(4) vnode devices from files stored on
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# non-root partition. Swap and malloc md(4) devices have already
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# been created.
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if [ "${_type}" = "vnode" -a "${_fs}" != "/" ]; then
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if [ "${_file}" != "${_file%.uzip}" ]; then
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load_kld -m g_uzip geom_uzip || return 3
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fi
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if is_readonly ${_fs}; then
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warn "${_fs} is mounted read-only, skipping ${_md}."
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continue
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fi
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if mdconfig -l -u ${_md} >/dev/null 2>&1; then
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err 3 "${_md} already exists"
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fi
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echo "Creating ${_md} device (${_type})."
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if ! mdconfig -a ${_config} -u ${_md}; then
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echo "Creating ${_md} device failed, moving on."
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continue
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fi
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# Skip fsck for uzip devices.
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if [ "${_file}" != "${_file%.uzip}" ]; then
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_fsck_cmd=":"
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elif checkyesno background_fsck; then
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_fsck_cmd="fsck -F"
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else
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_fsck_cmd="fsck"
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fi
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if ! eval ${_fsck_cmd} -p ${_dev} >/dev/null; then
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echo "Fsck failed on ${_dev}, not mounting the filesystem."
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continue
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fi
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if mount -d ${_dev} >/dev/null 2>&1; then
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echo "Mounting ${_dev}."
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mount ${_dev}
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fi
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fi
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for _i in `df ${_dev} 2>/dev/null`; do _mp=${_i}; done
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if [ ! -z "${_mp}" -a "${_mp}" = "${_mp%%%}" ]; then
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_mounted="yes"
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fi
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if checkyesno _mounted; then
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# Second pass: change permissions and ownership.
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[ -z "${_owner}" ] || chown -f ${_owner} ${_dev} ${_mp}
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[ -z "${_perms}" ] || chmod -f ${_perms} ${_dev} ${_mp}
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# Third pass: populate with foreign files.
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if [ -n "${_files}" -o -n "${_populate}" ]; then
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echo "Populating ${_dev}."
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fi
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if [ -n "${_files}" ]; then
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cp -Rp ${_files} ${_mp}
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fi
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if [ -n "${_populate}" ]; then
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eval ${_populate}
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fi
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fi
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done
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}
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mdconfig2_stop()
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{
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local _md _fs _mp _mounted _dev _config _type _file _owner _perms _files _populate
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for _md in ${_mdconfig2_list}; do
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init_variables ${_md}
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if [ "${_type}" = "vnode" ]; then
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for i in `df ${_dev} 2>/dev/null`; do _mp=$i; done
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if [ ! -r "${_file}" -o "${_fs}" = "/" ]; then
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continue
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fi
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if [ -z "${_mp}" -o "${_mp}" != "${_mp%%%}" ]; then
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echo "Device ${_dev} isn't mounted."
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else
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echo "Umounting ${_dev}."
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umount ${_dev}
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fi
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if mdconfig -l -u ${_md} >/dev/null 2>&1; then
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echo "Destroying ${_md}."
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mdconfig -d -u ${_md}
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fi
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fi
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done
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}
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_mdconfig2_cmd="$1"
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if [ $# -gt 0 ]; then
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shift
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fi
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[ -n "$*" ] && _mdconfig2_list="$*"
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load_rc_config $name
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if [ -z "${_mdconfig2_list}" ]; then
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for _mdconfig2_config in `list_vars mdconfig_md[0-9]\* |
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sort_lite -nk1.12`
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do
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_mdconfig2_unit=${_mdconfig2_config#mdconfig_md}
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[ "${_mdconfig2_unit#*[!0-9]}" = "$_mdconfig2_unit" ] ||
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continue
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_mdconfig2_list="$_mdconfig2_list md$_mdconfig2_unit"
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done
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_mdconfig2_list="${_mdconfig2_list# }"
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fi
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run_rc_command "${_mdconfig2_cmd}"
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