source: MondoRescue/branches/2.2.2/mindi/rootfs/sbin/init@ 1273

Last change on this file since 1273 was 1273, checked in by Bruno Cornec, 17 years ago
  • On CentOS 4.4 mdrun isn't available anymore so init should use mdadm instead.

(based on a patch of Momtchil Momtchev <momtchil.momtchev_at_linagora.com>)

  • mkchangelog now supports an fc option for Fedora pkg genration
  • Try to improve Fedora official packages generation
  • Property svn:keywords set to Id
File size: 15.5 KB
Line 
1#!/bin/sh
2#
3# $Id: init 1273 2007-03-26 17:37:17Z bruno $
4#
5# init script launched during the restore process
6#------------------------------------------------------------
7
8
9CaughtSoftReset() {
10 trap SIGTERM
11 reboot
12}
13
14
15ConfigureLoggingDaemons() {
16 echo -en "Running klogd..."
17 klogd -c 2 > /dev/null 2> /dev/null
18 echo -en "Done.\nRunning syslogd..."
19 syslogd > /dev/null 2> /dev/null
20 echo "Done."
21 LogIt "klogd and syslogd have been started."
22}
23
24
25
26CopyBootDevEntry() {
27 local outfile devfile
28 devfile=/dev/boot_device
29 outfile=`cat /BOOTLOADER.DEVICE 2> /dev/null`
30 [ ! "$outfile" ] && return 0
31 echo -en "Copying boot device to $outfile..."
32 if [ -e "$outfile" ] ; then
33 echo "OK."
34 return 0
35 fi
36 mkdir -p $outfile
37 rmdir $outfile
38 cp -pRdf $devfile $outfile
39 if [ "$?" -ne "0" ] ; then
40 echo "Failed."
41 return 1
42 else
43 echo "OK."
44 return 0
45 fi
46}
47
48
49
50Die() {
51 LogIt "Fatal error! $1" 1
52 exit 1
53}
54
55
56
57ExtractDevTarballs() {
58 cd /
59 for fname in ataraid.tgz ida.tgz rd.tgz raw.tgz cciss.tgz nst.tgz dm.tgz vc.tgz ; do
60 if [ ! -e "/$fname" ] ; then
61 LogIt "/$fname not found; cannot extract to /." 1
62 else
63 echo -en "\rExtracting /$fname... "
64 tar -zxf /$fname || LogIt "Error occurred while extracting /$fname"
65 fi
66 done
67 echo -en "\r"
68 LogIt "Extracted additional /dev entries OK. " 1
69}
70
71
72
73LaunchTerminals() {
74 openvt 2 /bin/sh
75 openvt 3 /bin/sh
76 openvt 4 /bin/sh
77 openvt 5 /bin/sh
78 openvt 6 /bin/sh
79 openvt 7 /bin/sh /sbin/wait-for-petris
80}
81
82
83LoadKeymap() {
84 local fname
85 fname=`cat /tmp/KEYMAP-LIVES-HERE 2> /dev/null`
86 [ "$fname" = "" ] && return
87 if which loadkeys > /dev/null 2> /dev/null ; then
88 loadkeys $fname
89# loadkmap != loadkeys
90# elif which loadkmap > /dev/null 2> /dev/null ; then
91# loadkmap < $fname
92 else
93 LogIt "Using default keyboard map." 1
94 fi
95}
96
97
98UntarTapeStuff() {
99 local old_pwd res
100 old_pwd=`pwd`
101 cd $GROOVY
102 [ "$1" != "" ] && tapedev=$1
103 [ ! "$tapedev" ] && tapedev=`grep media-dev /tmp/mondo-restore.cfg | tr -s ' ' ' ' | cut -d' ' -f2`
104# tar -zxf $tapedev
105 dd if=$tapedev bs=32k count=1024 | tar -zx
106 res=$?
107 if [ "$res" -eq "0" ] ; then
108 grep -v media-dev /tmp/mondo-restore.cfg > /tmp/mr.cfg
109 echo "media-dev $tapedev" >> /tmp/mr.cfg
110 cp -f /tmp/mr.cfg /tmp/mondo-restore.cfg
111 fi
112 cd $old_pwd
113 return $res
114}
115
116HandleTape() {
117 local res tapedev
118 tapedev="" ; # will be set by UntarTapeStuff()
119 cd $GROOVY
120 UntarTapeStuff $tapedev || UntarTapeStuff /dev/st0 || UntarTapeStuff /dev/osst0 || UntarTapeStuff /dev/ht0
121 res=$?
122 while [ "$res" -ne "0" ] ; do
123 LogIt "$tapedev failed to act as extended data disk for booting." 1
124 LogIt "Please specify an alternate tape device," 1
125 LogIt "or hit <Enter> to boot from CD/floppies." 1
126 echo -en "---> "
127 read tapedev
128 if [ "$tapedev" ] ; then
129 LogIt "User specified $tapedev instead"
130 UntarTapeStuff $tapedev
131 res=$?
132 else
133 LogIt "User opted not to specify an alternate tapedev"
134 res=1
135 break
136 fi
137 done
138
139 if [ "$res" -ne "0" ] ; then
140 cd /
141 LogIt "Failed to use tape as extended datadisk. Reverting to floppies." 1
142 HandleCDROMorFloppies
143 res=$?
144 else
145# clear
146 LogIt "Using tape as extended datadisk. Good." 3
147 echo "Using tape as extd ddisk." > /tmp/TAPEDEV-HAS-DATA-DISKS
148 res=0
149 CD_MOUNTED_OK=yes
150 fi
151 return $res
152}
153
154
155
156HandleCDROMorFloppies() {
157 find-and-mount-cdrom
158 res=$?
159 if [ "$res" -ne "0" ] ; then
160 LogIt "First call to find-and-mount-cdrom failed." 1
161 LogIt "Sleeping for 3 seconds and trying again." 1
162 sleep 3
163 find-and-mount-cdrom
164 res=$?
165 fi
166 if [ "$res" -eq "0" ] ; then
167 LogIt "OK, I am running on a CD-ROM. Good." 3
168 CD_MOUNTED_OK=yes
169 elif [ "$res" -eq "1" ] ; then
170 LogIt "OK, I am running on floppies. Good." 3
171 CD_MOUNTED_OK=""
172 else
173 LogIt "OK, I am falling back to floppy mode." 3
174 LogIt "That means you'll have to copy the data disk images from" 3
175 LogIt "the CD/hard disk/whatever to physical 1.44MB disks and" 3
176 LogIt "insert them, one after the other. Please see the manual." 3
177 LogIt "The images are in /images on the CD, or /root/images/mindi" 3
178 LogIt "on your hard disk. Your archives are probably fine but" 3
179 LogIt "your tape streamer and/or CD-ROM drive are eccentric. :-)" 3
180 CD_MOUNTED_OK=""
181 fi
182 return 0
183}
184
185
186HowMuchFreeSpaceOnRamdisk() {
187 df -m -P | grep /dev/ram | head -n1 | tr -s '\t' ' ' | cut -d' ' -f4
188}
189
190
191
192InsertEssentialModules() {
193# Load the VIA IDE module first thing if it exists (requires ide-core).
194# This is to ensure that DMA is working for VIA chipsets with 2.6 kernels.
195 for module in /ide-core.ko /via82cxxx.ko; do
196 [ -f "$module" ] && MyInsmod $module > /dev/null 2> /dev/null
197 done
198# Then load the remaining modules in normal (i.e. arbitrary) order.
199 for j in 1 2 3 4 5 ; do
200 for i in `ls /*.*o* 2> /dev/null` ; do
201 [ -f "$i" ] && MyInsmod $i > /dev/null 2> /dev/null
202 done
203 done
204}
205
206
207
208PauseForRaids() {
209 if [ "`dmesg | grep -i "RAID Controller"`" != "" ] || [ "`dmesg | grep -i "Vendor: 3ware"`" != "" ] ; then
210 LogIt "RAID controller(s) detected. Pausing 10 seconds to let them warm up." 1
211 echo -en "Pausing..."
212 for i in 1 2 3 4 5 6 7 8 9 10 ; do
213 sleep 1
214 echo -en "$(($i*10))%..."
215 done
216 echo "Done."
217 fi
218}
219
220
221# 06/13/2002 --- DuckX's & Hugo's new routine
222# 10/11/2003 --- added a simple devfsd.conf file
223# 01/24/2005 --- cater for arbitrary locations of devfsd.conf by using the
224# config file path compiled into devfsd
225RunDevfsd() {
226 loc=`which devfsd 2> /dev/null`
227 if [ "$loc" != "" ] ; then
228 LogIt "Devfs found. Testing kernel support..."
229 if [ ! -e "/dev/.devfsd" ] ; then
230 mount -t devfs devfs /dev 2>> $LOGFILE
231 if [ "$?" -ne "0" ] ; then
232 LogIt "Error while trying to mount devfs"
233 else
234 LogIt "Devfs mounted OK"
235 fi
236 fi
237 #check if the kernel supports devfs
238 if [ -e "/dev/.devfsd" ] ; then
239 [ -d "/proc/1" ] || mount -n /proc
240 LogIt "Kernel support found. Creating config file and starting devfsd"
241 conffile=`strings $loc | grep -E "devfsd.conf$"`
242 [ "$conffile" ] || conffile="/etc/devfsd.conf"
243 confpath=`echo $conffile | sed "s/\/devfsd\.conf$//"`
244 [ -d "$confpath" ] || mkdir -p $confpath
245 echo -en "REGISTER .* MKOLDCOMPAT\nUNREGISTER .* RMOLDCOMPAT\n" > $conffile
246 devfsd /dev &
247 sleep 5
248 else
249 LogIt "No devfs kernel support."
250 fi
251 fi
252}
253
254
255
256
257
258
259#RunDevfsd() {
260# loc=`which devfsd 2> /dev/null`
261# if [ "$loc" != "" ] ; then
262# LogIt "Starting devfsd"
263# devfsd /dev &
264# sleep 5
265# fi
266#}
267
268
269
270SpaceTests() {
271 [ -e "/tmp/filelist.full" ] && cp /tmp/filelist.full /tmp/FLF
272 if [ "`HowMuchFreeSpaceOnRamdisk`" -le "3" ] ; then
273 LogIt "Ramdisk is a bit smaller than I would like." 1
274 LogIt "Please re-run Mondo/Mindi but edit /usr/local/mindi first" 1
275 LogIt "and set EXTRA_SPACE to something high, e.g. 8000" 1
276 Die "Aborting. Please reboot."
277 fi
278 rm -f /tmp/FLF
279}
280
281
282
283StartLvms() {
284 if [ -e "/tmp/i-want-my-lvm" ] ; then
285 LogIt "Scanning LVM's..." 1
286 if which lvm ; then
287 MyInsmod dm-mod
288 MyInsmod dm_mod
289 lvm vgscan --mknodes
290 else
291 vgscan
292 fi
293 grep -E "^#.*vgchange" /tmp/i-want-my-lvm | sed "s/^#[ ]*//" > /tmp/start-lvm
294 chmod +x /tmp/start-lvm
295 echo -en "Starting LVM's..."
296 /tmp/start-lvm &
297 for i in 1 2 3 4 5 ; do
298 echo -en "."
299 sleep 1
300 done
301 echo "Done."
302 fi
303# If necessary, cannibalize 'analyze-my-lvm'; copy some of its code here,
304# pipe vgscan's output, strip it, run 'vgchange' on its output, etc.etc.
305 LogIt "LVM's have been started."
306}
307
308
309StartRaids() {
310 local raid_devices i
311
312 raid_devices=`grep /dev/md /tmp/mountlist.txt | cut -d' ' -f1`
313 if which raidstart > /dev/null 2> /dev/null ; then
314 for i in $raid_devices ; do
315 if grep `basename $i` /proc/mdstat > /dev/null 2> /dev/null ; then
316 LogIt "$i is started already; no need to run 'raidstart $i'" 1
317 else
318 LogIt "Running 'raidstart $i'" 1
319 raidstart $i
320 fi
321 done
322 elif which mdrun > /dev/null 2> /dev/null ; then
323 LogIt "Running 'mdrun'" 1
324 mdrun
325 elif which mdadm > /dev/null 2> /dev/null ; then
326 LogIt "Running 'mdadm'" 1
327 for i in $raid_devices ; do
328 if grep `basename $i` /proc/mdstat > /dev/null 2> /dev/null ; then
329 LogIt "$i is started already; no need to run 'mdadm $i'" 1
330 else
331 LogIt "Running 'mdadm $i'" 1
332 mdadm -Ac partitions -m dev $i
333 fi
334 done
335 else
336 LogIt "Warning: Neither 'raidstart' nor 'mdrun''found. RAID devices may not have started." 1
337 fi
338
339}
340
341
342TryAgainToFindCD() {
343 local res
344 mount | grep /mnt/cdrom && return 0
345 [ "`grep "backup_media_type" /tmp/mondo-restore.cfg | grep "cdstream"`" ] && return
346 LogIt "Trying to mount CD-ROM a 2nd time..."
347 find-and-mount-cdrom --second-try
348 res=$?
349 if [ "$res" -eq "0" ] ; then
350 CD_MOUNTED_OK=yes
351 LogIt "CD-ROM drive mounted successfully." 1
352 else
353 LogIt "I still cannot find or mount the CD-ROM drive, by the way."
354 fi
355}
356
357
358
359UseTmpfs()
360{
361 local mount_cmd
362 echo -en "Mounting /tmp/tmpfs..."
363 mkdir -p /tmp/tmpfs
364# For technical reasons, some sets are as large as 16MB.
365# I am allowing 32MB because selective restore occupies a lot of space.
366 for size in 64m 48m 40m 32m ; do
367 mount_cmd="mount /dev/shm -t tmpfs -o size=$size" ; # was 34m until 04/2003
368 LogIt "Trying '$mount_cmd'"
369 $mount_cmd /tmp/tmpfs 2>> /$LOGFILE
370 res=$?
371 [ "$res" -eq "0" ] && break
372 done
373 if [ "$res" -ne "0" ] ; then
374 LogIt "Failed. I could not run '$mount_cmd /tmp/tmpfs'. Your kernel is BROKEN or you do not have enough RAM." 1
375 umount /tmp/tmpfs > /dev/null 2> /dev/null
376 rmdir /tmp/tmpfs
377 ln -sf /mnt/RESTORING/tmp /tmp/tmpfs; # used by mondo-restore
378 LogIt "Failed to mount /tmp/tmpfs; using ugly softlink instead"
379 else
380 LogIt "Great. Pivot succeeded w/ size=$size" 1
381 echo -en "Pivoting /tmp..."
382 umount /tmp/tmpfs
383 mkdir -p /tmp.old
384 mv -f /tmp/* /tmp.old/
385 $mount_cmd /tmp
386 mv /tmp.old/* /tmp/
387 rmdir /tmp.old
388 mkdir -p /tmp/tmpfs
389 mkdir -p $GROOVY
390 echo "Done."
391 LogIt "Successfully mounted dynamic /tmp ramdisk"
392# mkdir -p /tmp/tmpfs/var
393# mv -f /var/log /tmp/tmpfs/var/log
394# ln -sf /tmp/tmpfs/var/log /var/log
395 fi
396}
397
398
399WelcomeMessage()
400{
401 echo "********************************************************************"
402 echo "MINDI-LINUX by Mondo Dev Team - web site: http://www.mondorescue.org"
403 echo "Boot disk based on AlfaLinux & Trinux. BusyBox by Erik Andersen."
404which petris > /dev/null 2> /dev/null && echo "Petris was written by Peter Seidler <p.seidler@mail1.stofanet.dk>."
405 echo "Executables and source code are covered by the GNU GPL. No warranty."
406 echo "running on $ARCH"
407 echo "********************************************************************"
408}
409
410
411EnableCcissIfAppropriate() {
412 local i fname
413 for i in 0 1 2 3 ; do
414 fname="/proc/driver/cciss/cciss$i"
415 if [ -e "$fname" ] ; then
416 LogIt "Engaging $fname"
417 echo "engage scsi" > $fname
418 LogIt "...result=$?"
419 fi
420 done
421}
422
423
424ExtractDataDisksAndLoadModules() {
425 echo "Installing additional tools ..."
426 install-additional-tools
427 echo "Inserting modules ..."
428 insert-all-my-modules > $LOGFILE 2> $LOGFILE
429}
430
431# ------------------------ main -----------------------
432
433MINDI_VER=VVV
434MINDI_REV=RRR
435trap CaughtSoftReset SIGTERM
436LOGFILE=/tmp/mondo-restore.log
437PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/mondo:/usr/games
438GROOVY=/tmp/groovy-stuff
439USER=root
440export PATH GROOVY USER
441
442echo "Welcome to init (from mindi ${MINDI_VER}-r${MINDI_REV}"
443
444mount -o remount rw /
445[ ! "$GROOVY" ] && Die "I'm not groovy!"
446for i in $GROOVY /mnt/floppy /mnt/cdrom /mnt/isodir /var/local/petris /tmp/isodir; do
447 mkdir -p $i
448done
449#/bin/update
450mount /proc/ /proc -v -t proc
451mkdir /sys 2> /dev/null
452mount /sys/ /sys -v -t sysfs 2>> $LOGFILE
453rm -f /foozero
454
455echo 0 > /proc/sys/kernel/exec-shield 2>> /dev/null
456
457ExtractDevTarballs
458LaunchTerminals
459InsertEssentialModules
460EnableCcissIfAppropriate
461#-------------------------------
462#WHOLIVESINAPINEAPPLEUNDERTHESEA#;# --- don't touch this :)
463#-------------------------------
464UseTmpfs
465if [ ! -e "/tmp/mondo-restore.cfg" ] ; then
466 LogIt "Warning - /tmp/mondo-restore.cfg not found"
467fi
468
469if [ "`grep -i 'tape ' /tmp/mondo-restore.cfg`" ] || [ "`grep -i udev /tmp/mondo-restore.cfg`" ] ; then
470 HandleTape
471 ExtractDataDisksAndLoadModules
472elif [ "`grep -i pxe /proc/cmdline`" ]; then
473 # We need to get here exported variables from start-nfs
474 . /sbin/start-nfs
475
476 # Simulate a local CD
477 echo "/mnt/cdrom" > /tmp/CDROM-LIVES-HERE
478 CD_MOUNTED_OK=yes
479 ExtractDataDisksAndLoadModules
480else
481 HandleCDROMorFloppies
482 ExtractDataDisksAndLoadModules
483 # We need to get here exported variables from start-nfs
484 . /sbin/start-nfs
485fi
486res=$?
487ConfigureLoggingDaemons
488if [ -e "/tmp/USE-DEVFS" ] ; then
489 umount /mnt/cdrom 2> /dev/null
490 mv /dev/cdrom /cdrom.lnk 2> /dev/null
491 CD_MOUNTED_OK=""
492 RunDevfsd
493fi
494echo "Starting potential Raid/LVMs ..."
495PauseForRaids
496StartRaids
497StartLvms
498CopyBootDevEntry
499LoadKeymap
500mkdir -p /tmp/tmpfs
501sleep 2
502#clear
503if [ -e "/dev/md0" ] && [ ! -e "/dev/md/0" ] && [ "`grep /dev/md/ /tmp/mountlist.txt`" != "" ] ; then
504 LogIt "Creating /dev/md/* softlinks just in case." 1
505 mkdir -p /dev/md
506 cp -af /dev/md0 /dev/md/0 2> /dev/null
507 cp -af /dev/md1 /dev/md/1 2> /dev/null
508 cp -af /dev/md2 /dev/md/2 2> /dev/null
509fi
510export ARCH=`uname -m`
511WelcomeMessage
512# SpaceTests; # Mandrake Linux 8.1 doesn't like this
513[ -e "/tmp/mountlist.txt" ] && cp -f /tmp/mountlist.txt /tmp/mountlist.original
514
515if ! [ "`grep -i "pxe" /proc/cmdline`" ] ; then
516 res="`cat /mnt/cdrom/archives/THIS-CD-NUMBER 2> /dev/null`"
517 [ "$res" != "1" ] && [ "$res" != "" ] && Die "This is CD #$res in the series. Please insert CD #1."
518 [ -e "/cdrom.lnk" ] && mv -f /cdrom.lnk /dev/cdrom && mount /dev/cdrom /mnt/cdrom && CD_MOUNTED_OK=yes
519 [ "$CD_MOUNTED_OK" != "yes" ] && TryAgainToFindCD
520 #mount | grep cdrom > /dev/null 2> /dev/null || mount /dev/cdrom /mnt/cdrom >> $LOGFILE 2>> $LOGFILE
521fi
522hack-cfg-if-necessary || LogIt "Cannot find hack-cfg-if-necessary"
523openvt 8 /usr/bin/tail -f $LOGFILE
524
525#-------------------------------
526#ABSORBENTANDYELLOWANDPOROUSISHE#;# --- don't touch this either :)
527#-------------------------------
528
529lsmod > /tmp/ramdisk-lsmod.txt 2> /dev/null
530cut -d' ' -f1 /tmp/original-lsmod.txt /tmp/original-lsmod.txt /tmp/ramdisk-lsmod.txt | sort | uniq -d > /tmp/missing-modules.txt
531echo "Warning - these modules did not make it onto the ramdisk" >> $LOGFILE
532cat /tmp/missing-modules.txt >> $LOGFILE
533
534#ctrlaltdel soft
535for path in /usr.bin /usr/bin ; do
536 fname=$path/nano
537 [ -e "$fname" ] && ln -sf $fname /usr/bin/pico
538done
539res=`which nano 2> /dev/null`
540[ "$res" ] && ln -sf /usr/bin/
541for i in null stdout stdin stderr ; do
542 cp -af /dev/$i /tmp
543done
544if grep "backup-media-type" /tmp/mondo-restore.cfg > /dev/null 2> /dev/null ; then
545 LogIt "backup-media-type is specified in config file - great."
546 LogIt "Calling post-init $mountlist"
547 post-init
548else
549 LogIt "backup-media-type is not specified in config file."
550 LogIt "I think this CD/floppy has no archives on it."
551fi
552echo -en "Type 'exit' to reboot the PC\n"
553umount /mnt/cdrom 2> /dev/null
554mount / -o rw,remount > /dev/null 2> /dev/null
555sh
556CaughtSoftReset
557# reboot
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