1#!/bin/sh 2# 3# Copyright 2014 John-Mark Gurney 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# 27# $FreeBSD$ 28# 29 30# PROVIDE: growfs 31# BEFORE: sysctl 32# KEYWORD: firstboot 33 34# This allows us to distribute a image 35# and have it work on essentially any size drive. 36# 37# TODO: Figure out where this should really be ordered. 38# I suspect it should go just after fsck but before mountcritlocal. 39# 40 41. /etc/rc.subr 42 43name="growfs" 44desc="Grow root partition to fill device" 45start_cmd="growfs_start" 46stop_cmd=":" 47rcvar="growfs_enable" 48 49growfs_start () 50{ 51 echo "Growing root partition to fill device" 52 FSTYPE=$(mount -p | awk '{ if ( $2 == "/") { print $3 }}') 53 FSDEV=$(mount -p | awk '{ if ( $2 == "/") { print $1 }}') 54 case "$FSTYPE" in 55 ufs) 56 rootdev=${FSDEV#/dev/} 57 ;; 58 zfs) 59 pool=${FSDEV%%/*} 60 rootdev=$(zpool list -v $pool | awk 'END { print $1 }') 61 ;; 62 *) 63 echo "Don't know how to grow root filesystem type: $FSTYPE" 64 return 65 esac 66 if [ x"$rootdev" = x"${rootdev%/*}" ]; then 67 # raw device 68 rawdev="$rootdev" 69 else 70 rawdev=$(glabel status | awk '$1 == "'"$rootdev"'" { print $3 }') 71 if [ x"$rawdev" = x"" ]; then 72 echo "Can't figure out device for: $rootdev" 73 return 74 fi 75 fi 76 77 sysctl -b kern.geom.conftxt | awk ' 78{ 79 lvl=$1 80 device[lvl] = $3 81 type[lvl] = $2 82 idx[lvl] = $7 83 parttype[lvl] = $13 84 if (dev == $3) { 85 for (i = 1; i <= lvl; i++) { 86 # resize 87 if (type[i] == "PART") { 88 pdev = device[i - 1] 89 cmd[i] = "gpart resize -i " idx[i] " " pdev 90 if (parttype[i] == "GPT") 91 cmd[i] = "gpart recover " pdev " ; " cmd[i] 92 } else if (type[i] == "LABEL") { 93 continue 94 } else { 95 print "unhandled type: " type[i] 96 exit 1 97 } 98 } 99 for (i = 1; i <= lvl; i++) { 100 if (cmd[i]) 101 system(cmd[i]) 102 } 103 exit 0 104 } 105}' dev="$rawdev" 106 gpart commit "$rootdev" 107 case "$FSTYPE" in 108 ufs) 109 growfs -y /dev/"$rootdev" 110 ;; 111 zfs) 112 zpool online -e $pool $rootdev 113 ;; 114 esac 115} 116 117load_rc_config $name 118run_rc_command "$1" 119