diff options
author | jmg <jmg@FreeBSD.org> | 2014-11-02 00:11:25 +0000 |
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committer | jmg <jmg@FreeBSD.org> | 2014-11-02 00:11:25 +0000 |
commit | 2093a6f55b95184e95f325150e116b197adfeda8 (patch) | |
tree | ba0557f8d593bbda6d9e3f79a4373642106aedd0 /etc/rc.d | |
parent | 63b330d2cce7e73385f8e55bf96f9349c2cade1e (diff) | |
download | FreeBSD-src-2093a6f55b95184e95f325150e116b197adfeda8.zip FreeBSD-src-2093a6f55b95184e95f325150e116b197adfeda8.tar.gz |
add an rc.d script to automatically grow the specified FS... It has
been tested on both MBR and GPT... It won't be enabled until you add
growfs_enable="YES" and will only run on first boot..
Diffstat (limited to 'etc/rc.d')
-rw-r--r-- | etc/rc.d/Makefile | 1 | ||||
-rwxr-xr-x | etc/rc.d/growfs | 98 |
2 files changed, 99 insertions, 0 deletions
diff --git a/etc/rc.d/Makefile b/etc/rc.d/Makefile index 72b5247..f42b207 100644 --- a/etc/rc.d/Makefile +++ b/etc/rc.d/Makefile @@ -49,6 +49,7 @@ FILES= DAEMON \ geli \ geli2 \ gptboot \ + growfs \ gssd \ hastd \ ${_hcsecd} \ diff --git a/etc/rc.d/growfs b/etc/rc.d/growfs new file mode 100755 index 0000000..db87d29 --- /dev/null +++ b/etc/rc.d/growfs @@ -0,0 +1,98 @@ +#!/bin/sh +# +# Copyright 2014 John-Mark Gurney +# 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. +# +# $FreeBSD$ +# + +# PROVIDE: growfs +# BEFORE: sysctl +# KEYWORD: firstboot + +# This allows us to distribute a image +# and have it work on essentially any size drive. +# +# TODO: Figure out where this should really be ordered. +# I suspect it should go just after fsck but before mountcritlocal +# but it's hard to tell for sure because of the bug described +# below. +# + +. /etc/rc.subr + +name="growfs" +start_cmd="growfs_start" +stop_cmd=":" +rcvar="growfs_enable" + +growfs_start () +{ + echo "Growing root partition to fill device" + rootdev=$(df / | tail -n 1 | awk '{ sub("/dev/", "", $1); print $1 }') + if [ x"$rootdev" = x"${rootdev%/*}" ]; then + # raw device + rawdev="$rootdev" + else + rawdev=$(glabel status | awk '$1 == "'"$rootdev"'" { print $3 }') + if [ x"$rawdev" = x"" ]; then + echo "Can't figure out device for: $rootdev" + return + fi + fi + + sysctl -b kern.geom.conftxt | awk ' +{ + lvl=$1 + device[lvl] = $3 + type[lvl] = $2 + idx[lvl] = $7 + parttype[lvl] = $13 + if (dev == $3) { + for (i = 1; i <= lvl; i++) { + # resize + if (type[i] == "PART") { + pdev = device[i - 1] + cmd[i] = "gpart resize -i " idx[i] " " pdev + if (parttype[i] == "GPT") + cmd[i] = "gpart recover " pdev " ; " cmd[i] + } else if (type[i] == "LABEL") { + continue + } else { + print "unhandled type: " type[i] + exit 1 + } + } + for (i = 1; i <= lvl; i++) { + if (cmd[i]) + system(cmd[i]) + } + exit 0 + } +}' dev="$rawdev" + growfs -y /dev/"$rootdev" +} + +load_rc_config $name +run_rc_command "$1" |