1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or http://www.opensolaris.org/os/licensing. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22 23# Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24# Use is subject to license terms. 25 26# ident "%Z%%M% %I% %E% SMI" 27 28format=ufs 29ALT_ROOT= 30EXTRACT_ARGS= 31compress=yes 32SPLIT=unknown 33ERROR=0 34dirsize32=0 35dirsize64=0 36 37usage() { 38 echo "This utility is a component of the bootadm(1M) implementation" 39 echo "and it is not recommended for stand-alone use." 40 echo "Please use bootadm(1M) instead." 41 echo "" 42 echo "Usage: ${0##*/}: [-R \<root\>] [-p \<platform\>] [--nocompress]" 43 echo "where \<platform\> is one of i86pc, sun4u or sun4v" 44 exit 45} 46 47# default platform is what we're running on 48PLATFORM=`uname -m` 49 50# 51# set path, but inherit /tmp/bfubin if owned by 52# same uid executing this process, which must be root. 53# 54if [ "`echo $PATH | cut -f 1 -d :`" = /tmp/bfubin ] && \ 55 [ -O /tmp/bfubin ] ; then 56 export PATH=/tmp/bfubin 57 export GZIP_CMD=/tmp/bfubin/gzip 58else 59 export PATH=/usr/sbin:/usr/bin:/sbin 60 export GZIP_CMD=/usr/bin/gzip 61fi 62 63EXTRACT_FILELIST="/boot/solaris/bin/extract_boot_filelist" 64 65# 66# Parse options 67# 68while [ "$1" != "" ] 69do 70 case $1 in 71 -R) shift 72 ALT_ROOT="$1" 73 if [ "$ALT_ROOT" != "/" ]; then 74 echo "Creating boot_archive for $ALT_ROOT" 75 EXTRACT_ARGS="${EXTRACT_ARGS} -R ${ALT_ROOT}" 76 EXTRACT_FILELIST="${ALT_ROOT}${EXTRACT_FILELIST}" 77 fi 78 ;; 79 -n|--nocompress) compress=no 80 ;; 81 -p) shift 82 PLATFORM="$1" 83 EXTRACT_ARGS="${EXTRACT_ARGS} -p ${PLATFORM}" 84 ;; 85 *) usage 86 ;; 87 esac 88 shift 89done 90 91if [ -x /usr/bin/mkisofs -o -x /tmp/bfubin/mkisofs ] ; then 92 format=isofs 93fi 94 95# 96# mkisofs on s8 doesn't support functionality used by GRUB boot. 97# Use ufs format for boot archive instead. 98# 99release=`uname -r` 100if [ "$release" = "5.8" ]; then 101 format=ufs 102fi 103 104shift `expr $OPTIND - 1` 105 106if [ $# -eq 1 ]; then 107 ALT_ROOT="$1" 108 echo "Creating boot_archive for $ALT_ROOT" 109fi 110 111case $PLATFORM in 112i386) PLATFORM=i86pc 113 ISA=i386 114 ARCH64=amd64 115 ;; 116i86pc) ISA=i386 117 ARCH64=amd64 118 ;; 119sun4u) ISA=sparc 120 ARCH64=sparcv9 121 ;; 122sun4v) ISA=sparc 123 ARCH64=sparcv9 124 ;; 125*) usage 126 ;; 127esac 128 129BOOT_ARCHIVE=platform/$PLATFORM/boot_archive 130BOOT_ARCHIVE_64=platform/$PLATFORM/$ARCH64/boot_archive 131 132if [ $PLATFORM = i86pc ] ; then 133 if [ ! -x "$ALT_ROOT"/boot/solaris/bin/symdef ]; then 134 # no dboot implies combined archives for example 135 # live-upgrade from s9 to s10u6 is multiboot-only 136 echo "Creating single archive at $ALT_ROOT/$BOOT_ARCHIVE" 137 SPLIT=no 138 compress=no 139 else 140 SPLIT=yes 141 fi 142else # must be sparc 143 SPLIT=no # there's only 64-bit (sparcv9), so don't split 144 compress=no 145fi 146 147[ -x $GZIP_CMD ] || compress=no 148 149function cleanup 150{ 151 umount -f "$rdmnt32" 2>/dev/null 152 umount -f "$rdmnt64" 2>/dev/null 153 lofiadm -d "$rdfile32" 2>/dev/null 154 lofiadm -d "$rdfile64" 2>/dev/null 155 [ -n "$rddir" ] && rm -fr "$rddir" 2> /dev/null 156 [ -n "$new_rddir" ] && rm -fr "$new_rddir" 2>/dev/null 157} 158 159function getsize 160{ 161 # Estimate image size and add 10% overhead for ufs stuff. 162 # Note, we can't use du here in case we're on a filesystem, e.g. zfs, 163 # in which the disk usage is less than the sum of the file sizes. 164 # The nawk code 165 # 166 # {t += ($5 % 1024) ? (int($5 / 1024) + 1) * 1024 : $5} 167 # 168 # below rounds up the size of a file/directory, in bytes, to the 169 # next multiple of 1024. This mimics the behavior of ufs especially 170 # with directories. This results in a total size that's slightly 171 # bigger than if du was called on a ufs directory. 172 size32=$(cat "$list32" | xargs -I {} ls -lLd "{}" 2> /dev/null | 173 nawk '{t += ($5 % 1024) ? (int($5 / 1024) + 1) * 1024 : $5} 174 END {print int(t * 1.10 / 1024)}') 175 (( size32 += dirsize32 )) 176 size64=$(cat "$list64" | xargs -I {} ls -lLd "{}" 2> /dev/null | 177 nawk '{t += ($5 % 1024) ? (int($5 / 1024) + 1) * 1024 : $5} 178 END {print int(t * 1.10 / 1024)}') 179 (( size64 += dirsize64 )) 180 (( total_size = size32 + size64 )) 181 182 if [ $compress = yes ] ; then 183 total_size=`echo $total_size | nawk '{print int($1 / 2)}'` 184 fi 185} 186 187# 188# Copies all desired files to a target directory. One argument should be 189# passed: the file containing the list of files to copy. This function also 190# depends on several variables that must be set before calling: 191# 192# $ALT_ROOT - the target directory 193# $compress - whether or not the files in the archives should be compressed 194# $rdmnt - the target directory 195# 196function copy_files 197{ 198 list="$1" 199 200 # 201 # If compress is set, the files are gzip'd and put in the correct 202 # location in the loop. Nothing is printed, so the pipe and cpio 203 # at the end is a nop. 204 # 205 # If compress is not set, the file names are printed, which causes 206 # the cpio at the end to do the copy. 207 # 208 while read path 209 do 210 if [ $compress = yes ]; then 211 dir="${path%/*}" 212 [ -d "$rdmnt/$dir" ] || mkdir -p "$rdmnt/$dir" 213 $GZIP_CMD -c "$path" > "$rdmnt/$path" 214 else 215 print "$path" 216 fi 217 done <"$list" | cpio -pdum "$rdmnt" 2>/dev/null 218 219 if [ $ISA = sparc ] ; then 220 # copy links 221 find $filelist -type l -print 2>/dev/null |\ 222 cpio -pdum "$rdmnt" 2>/dev/null 223 if [ $compress = yes ] ; then 224 # always copy unix uncompressed 225 find $filelist -name unix -type f -print 2>/dev/null |\ 226 cpio -pdum "$rdmnt" 2>/dev/null 227 fi 228 fi 229 230} 231 232# 233# The first argument can be: 234# 235# "both" - create an archive with both 32-bit and 64-bit binaries 236# "32-bit" - create an archive with only 32-bit binaries 237# "64-bit" - create an archive with only 64-bit binaries 238# 239function create_ufs 240{ 241 which=$1 242 archive=$2 243 lofidev=$3 244 245 # should we exclude amd64 binaries? 246 if [ "$which" = "32-bit" ]; then 247 rdfile="$rdfile32" 248 rdmnt="$rdmnt32" 249 list="$list32" 250 elif [ "$which" = "64-bit" ]; then 251 rdfile="$rdfile64" 252 rdmnt="$rdmnt64" 253 list="$list64" 254 else 255 rdfile="$rdfile32" 256 rdmnt="$rdmnt32" 257 list="$list32" 258 fi 259 260 newfs $lofidev < /dev/null 2> /dev/null 261 mkdir "$rdmnt" 262 mount -F mntfs mnttab /etc/mnttab > /dev/null 2>&1 263 mount -o nologging $lofidev "$rdmnt" 264 files= 265 266 # do the actual copy 267 copy_files "$list" 268 umount "$rdmnt" 269 rmdir "$rdmnt" 270 271 if [ $ISA = sparc ] ; then 272 rlofidev=`echo "$lofidev" | sed -e "s/dev\/lofi/dev\/rlofi/"` 273 bb="$ALT_ROOT/platform/$PLATFORM/lib/fs/ufs/bootblk" 274 # installboot is not available on all platforms 275 dd if=$bb of=$rlofidev bs=1b oseek=1 count=15 conv=sync 2>&1 276 fi 277 278 # 279 # Check if gzip exists in /usr/bin, so we only try to run gzip 280 # on systems that have gzip. Then run gzip out of the patch to 281 # pick it up from bfubin or something like that if needed. 282 # 283 # If compress is set, the individual files in the archive are 284 # compressed, and the final compression will accomplish very 285 # little. To save time, we skip the gzip in this case. 286 # 287 if [ $ISA = i386 ] && [ $compress = no ] && \ 288 [ -x $GZIP_CMD ] ; then 289 gzip -c "$rdfile" > "${archive}-new" 290 else 291 cat "$rdfile" > "${archive}-new" 292 fi 293} 294 295# 296# The first argument can be: 297# 298# "both" - create an archive with both 32-bit and 64-bit binaries 299# "32-bit" - create an archive with only 32-bit binaries 300# "64-bit" - create an archive with only 64-bit binaries 301# 302function create_isofs 303{ 304 which=$1 305 archive=$2 306 307 # should we exclude amd64 binaries? 308 if [ "$which" = "32-bit" ]; then 309 rdmnt="$rdmnt32" 310 errlog="$errlog32" 311 list="$list32" 312 elif [ "$which" = "64-bit" ]; then 313 rdmnt="$rdmnt64" 314 errlog="$errlog64" 315 list="$list64" 316 else 317 rdmnt="$rdmnt32" 318 errlog="$errlog32" 319 list="$list32" 320 fi 321 322 # create image directory seed with graft points 323 mkdir "$rdmnt" 324 files= 325 isocmd="mkisofs -quiet -graft-points -dlrDJN -relaxed-filenames" 326 327 if [ $ISA = sparc ] ; then 328 bb="$ALT_ROOT/platform/$PLATFORM/lib/fs/hsfs/bootblk" 329 isocmd="$isocmd -G \"$bb\"" 330 fi 331 332 copy_files "$list" 333 isocmd="$isocmd \"$rdmnt\"" 334 rm -f "$errlog" 335 336 # 337 # Check if gzip exists in /usr/bin, so we only try to run gzip 338 # on systems that have gzip. Then run gzip out of the patch to 339 # pick it up from bfubin or something like that if needed. 340 # 341 # If compress is set, the individual files in the archive are 342 # compressed, and the final compression will accomplish very 343 # little. To save time, we skip the gzip in this case. 344 # 345 if [ $ISA = i386 ] &&[ $compress = no ] && [ -x $GZIP_CMD ] 346 then 347 ksh -c "$isocmd" 2> "$errlog" | \ 348 gzip > "${archive}-new" 349 else 350 ksh -c "$isocmd" 2> "$errlog" > "${archive}-new" 351 fi 352 353 dd_ret=0 354 if [ $ISA = sparc ] ; then 355 bb="$ALT_ROOT/platform/$PLATFORM/lib/fs/hsfs/bootblk" 356 dd if="$bb" of="${archive}-new" bs=1b oseek=1 count=15 \ 357 conv=notrunc conv=sync >> "$errlog" 2>&1 358 dd_ret=$? 359 fi 360 361 if [ -s "$errlog" ] || [ $dd_ret -ne 0 ] ; then 362 grep Error: "$errlog" >/dev/null 2>&1 363 if [ $? -eq 0 ] || [ $dd_ret -ne 0 ] ; then 364 cat "$errlog" 365 rm -f "${archive}-new" 366 fi 367 fi 368 rm -f "$errlog" 369} 370 371function create_archive 372{ 373 which=$1 374 archive=$2 375 lofidev=$3 376 377 echo "updating $archive" 378 379 if [ "$format" = "ufs" ]; then 380 create_ufs "$which" "$archive" "$lofidev" 381 else 382 create_isofs "$which" "$archive" 383 fi 384 385 # sanity check the archive before moving it into place 386 # 387 ARCHIVE_SIZE=`ls -l "${archive}-new" | nawk '{ print $5 }'` 388 if [ $compress = yes ] || [ $ISA = sparc ] ; then 389 # 390 # 'file' will report "English text" for uncompressed 391 # boot_archives. Checking for that doesn't seem stable, 392 # so we just check that the file exists. 393 # 394 ls "${archive}-new" >/dev/null 2>&1 395 else 396 # 397 # the file type check also establishes that the 398 # file exists at all 399 # 400 LC_MESSAGES=C file "${archive}-new" | grep gzip > /dev/null 401 fi 402 403 if [ $? = 1 ] && [ -x $GZIP_CMD ] || [ $ARCHIVE_SIZE -lt 5000 ] 404 then 405 # 406 # Two of these functions may be run in parallel. We 407 # need to allow the other to clean up, so we can't 408 # exit immediately. Instead, we set a flag. 409 # 410 echo "update of $archive failed" 411 ERROR=1 412 else 413 lockfs -f "/$ALT_ROOT" 2>/dev/null 414 mv "${archive}-new" "$archive" 415 lockfs -f "/$ALT_ROOT" 2>/dev/null 416 fi 417 418} 419 420function fatal_error 421{ 422 print -u2 $* 423 exit 1 424} 425 426# 427# get filelist 428# 429if [ ! -f "$ALT_ROOT/boot/solaris/filelist.ramdisk" ] && 430 [ ! -f "$ALT_ROOT/etc/boot/solaris/filelist.ramdisk" ] 431then 432 print -u2 "Can't find filelist.ramdisk" 433 exit 1 434fi 435filelist=$($EXTRACT_FILELIST $EXTRACT_ARGS \ 436 /boot/solaris/filelist.ramdisk \ 437 /etc/boot/solaris/filelist.ramdisk \ 438 2>/dev/null | sort -u) 439 440# 441# We use /tmp/ for scratch space now. This may be changed later if there 442# is insufficient space in /tmp/. 443# 444rddir="/tmp/create_ramdisk.$$.tmp" 445new_rddir= 446rm -rf "$rddir" 447mkdir "$rddir" || fatal_error "Could not create temporary directory $rddir" 448 449# Clean up upon exit. 450trap 'cleanup' EXIT 451 452list32="$rddir/filelist.32" 453list64="$rddir/filelist.64" 454 455touch $list32 $list64 456 457# 458# This loop creates the 32-bit and 64-bit lists of files. The 32-bit list 459# is written to stdout, which is redirected at the end of the loop. The 460# 64-bit list is appended with each write. 461# 462cd "/$ALT_ROOT" 463find $filelist -print 2>/dev/null | while read path 464do 465 if [ $SPLIT = no ]; then 466 print "$path" 467 elif [ -d "$path" ]; then 468 if [ $format = ufs ]; then 469 size=`ls -lLd "$path" | nawk ' 470 {print ($5 % 1024) ? (int($5 / 1024) + 1) * 1024 : $5}'` 471 if [ `basename "$path"` != "amd64" ]; then 472 (( dirsize32 += size )) 473 fi 474 (( dirsize64 += size )) 475 fi 476 else 477 case `LC_MESSAGES=C /usr/bin/file -m /dev/null "$path" 2>/dev/null` in 478 *ELF\ 64-bit*) 479 print "$path" >> "$list64" 480 ;; 481 *ELF\ 32-bit*) 482 print "$path" 483 ;; 484 *) 485 # put in both lists 486 print "$path" 487 print "$path" >> "$list64" 488 esac 489 fi 490done >"$list32" 491 492if [ $format = ufs ] ; then 493 # calculate image size 494 getsize 495 496 # check to see if there is sufficient space in tmpfs 497 # 498 tmp_free=`df -b /tmp | tail -1 | awk '{ printf ($2) }'` 499 (( tmp_free = tmp_free / 2 )) 500 501 if [ $total_size -gt $tmp_free ] ; then 502 # assumes we have enough scratch space on $ALT_ROOT 503 new_rddir="/$ALT_ROOT/create_ramdisk.$$.tmp" 504 rm -rf "$new_rddir" 505 mkdir "$new_rddir" || fatal_error \ 506 "Could not create temporary directory $new_rddir" 507 508 # Save the file lists 509 mv "$list32" "$new_rddir"/ 510 mv "$list64" "$new_rddir"/ 511 list32="/$new_rddir/filelist.32" 512 list64="/$new_rddir/filelist.64" 513 514 # Remove the old $rddir and set the new value of rddir 515 rm -rf "$rddir" 516 rddir="$new_rddir" 517 new_rddir= 518 fi 519fi 520 521rdfile32="$rddir/rd.file.32" 522rdfile64="$rddir/rd.file.64" 523rdmnt32="$rddir/rd.mount.32" 524rdmnt64="$rddir/rd.mount.64" 525errlog32="$rddir/rd.errlog.32" 526errlog64="$rddir/rd.errlog.64" 527lofidev32="" 528lofidev64="" 529 530if [ $SPLIT = yes ]; then 531 # 532 # We can't run lofiadm commands in parallel, so we have to do 533 # them here. 534 # 535 if [ "$format" = "ufs" ]; then 536 mkfile ${size32}k "$rdfile32" 537 lofidev32=`lofiadm -a "$rdfile32"` 538 mkfile ${size64}k "$rdfile64" 539 lofidev64=`lofiadm -a "$rdfile64"` 540 fi 541 create_archive "32-bit" "$ALT_ROOT/$BOOT_ARCHIVE" $lofidev32 & 542 create_archive "64-bit" "$ALT_ROOT/$BOOT_ARCHIVE_64" $lofidev64 543 wait 544 if [ "$format" = "ufs" ]; then 545 lofiadm -d "$rdfile32" 546 lofiadm -d "$rdfile64" 547 fi 548else 549 if [ "$format" = "ufs" ]; then 550 mkfile ${total_size}k "$rdfile32" 551 lofidev32=`lofiadm -a "$rdfile32"` 552 fi 553 create_archive "both" "$ALT_ROOT/$BOOT_ARCHIVE" $lofidev32 554 [ "$format" = "ufs" ] && lofiadm -d "$rdfile32" 555fi 556if [ $ERROR = 1 ]; then 557 cleanup 558 exit 1 559fi 560 561# 562# For the diskless case, hardlink archive to /boot to make it 563# visible via tftp. /boot is lofs mounted under /tftpboot/<hostname>. 564# NOTE: this script must work on both client and server. 565# 566grep "[ ]/[ ]*nfs[ ]" "$ALT_ROOT/etc/vfstab" > /dev/null 567if [ $? = 0 ]; then 568 rm -f "$ALT_ROOT/boot/boot_archive" "$ALT_ROOT/boot/amd64/boot_archive" 569 ln "$ALT_ROOT/$BOOT_ARCHIVE" "$ALT_ROOT/boot/boot_archive" 570 if [ $SPLIT = yes ]; then 571 ln "$ALT_ROOT/$BOOT_ARCHIVE_64" \ 572 "$ALT_ROOT/boot/amd64/boot_archive" 573 fi 574fi 575[ -n "$rddir" ] && rm -rf "$rddir" 576