source: MondoRescue/branches/stable/mindi/rootfs/sbin/init@ 740

Last change on this file since 740 was 740, checked in by Bruno Cornec, 18 years ago

start-nfs is now an external script under /sbin
No more generation in init (variable substitution errors thus avoided)

  • Property svn:keywords set to Id
File size: 15.3 KB
Line 
1#!/bin/sh
2#
3# $Id: init 740 2006-08-04 10:02:27Z 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# openvt 8 /usr/bin/tail -f /tmp/mondo-restore.log
81}
82
83
84LoadKeymap() {
85 local fname
86 fname=`cat /tmp/KEYMAP-LIVES-HERE 2> /dev/null`
87 [ "$fname" = "" ] && return
88 if which loadkeys > /dev/null 2> /dev/null ; then
89 loadkeys $fname
90# loadkmap != loadkeys
91# elif which loadkmap > /dev/null 2> /dev/null ; then
92# loadkmap < $fname
93 else
94 LogIt "Using default keyboard map." 1
95 fi
96}
97
98
99UntarTapeStuff() {
100 local old_pwd res
101 old_pwd=`pwd`
102 cd $GROOVY
103 [ "$1" != "" ] && tapedev=$1
104 [ ! "$tapedev" ] && tapedev=`grep media-dev /tmp/mondo-restore.cfg | tr -s ' ' ' ' | cut -d' ' -f2`
105# tar -zxf $tapedev
106 dd if=$tapedev bs=32k count=1024 | tar -zx
107 res=$?
108 if [ "$res" -eq "0" ] ; then
109 grep -v media-dev /tmp/mondo-restore.cfg > /tmp/mr.cfg
110 echo "media-dev $tapedev" >> /tmp/mr.cfg
111 cp -f /tmp/mr.cfg /tmp/mondo-restore.cfg
112 fi
113 cd $old_pwd
114 return $res
115}
116
117HandleTape() {
118 local res tapedev
119 tapedev="" ; # will be set by UntarTapeStuff()
120 cd $GROOVY
121 UntarTapeStuff $tapedev || UntarTapeStuff /dev/st0 || UntarTapeStuff /dev/osst0 || UntarTapeStuff /dev/ht0
122 res=$?
123 while [ "$res" -ne "0" ] ; do
124 LogIt "$tapedev failed to act as extended data disk for booting." 1
125 LogIt "Please specify an alternate tape device," 1
126 LogIt "or hit <Enter> to boot from CD/floppies." 1
127 echo -en "---> "
128 read tapedev
129 if [ "$tapedev" ] ; then
130 LogIt "User specified $tapedev instead"
131 UntarTapeStuff $tapedev
132 res=$?
133 else
134 LogIt "User opted not to specify an alternate tapedev"
135 res=1
136 break
137 fi
138 done
139
140 if [ "$res" -ne "0" ] ; then
141 cd /
142 LogIt "Failed to use tape as extended datadisk. Reverting to floppies." 1
143 HandleCDROMorFloppies
144 res=$?
145 else
146# clear
147 LogIt "Using tape as extended datadisk. Good." 3
148 echo "Using tape as extd ddisk." > /tmp/TAPEDEV-HAS-DATA-DISKS
149 res=0
150 CD_MOUNTED_OK=yes
151 fi
152 return $res
153}
154
155
156
157HandleCDROMorFloppies() {
158 find-and-mount-cdrom
159 res=$?
160 if [ "$res" -ne "0" ] ; then
161 LogIt "First call to find-and-mount-cdrom failed." 1
162 LogIt "Sleeping for 3 seconds and trying again." 1
163 sleep 3
164 find-and-mount-cdrom
165 res=$?
166 fi
167 if [ "$res" -eq "0" ] ; then
168# clear
169 LogIt "OK, I am running on a CD-ROM. Good." 3
170 CD_MOUNTED_OK=yes
171 elif [ "$res" -eq "1" ] ; then
172# clear
173 LogIt "OK, I am running on floppies. Good." 3
174 CD_MOUNTED_OK=""
175 else
176 LogIt "OK, I am falling back to floppy mode." 3
177 LogIt "That means you'll have to copy the data disk images from" 3
178 LogIt "the CD/hard disk/whatever to physical 1.44MB disks and" 3
179 LogIt "insert them, one after the other. Please see the manual." 3
180 LogIt "The images are in /images on the CD, or /root/images/mindi" 3
181 LogIt "on your hard disk. Your archives are probably fine but" 3
182 LogIt "your tape streamer and/or CD-ROM drive are eccentric. :-)" 3
183 CD_MOUNTED_OK=""
184 fi
185 return 0
186}
187
188
189HowMuchFreeSpaceOnRamdisk() {
190 df -m -P | grep /dev/ram | head -n1 | tr -s '\t' ' ' | cut -d' ' -f4
191}
192
193
194
195InsertEssentialModules() {
196# Load the VIA IDE module first thing if it exists (requires ide-core).
197# This is to ensure that DMA is working for VIA chipsets with 2.6 kernels.
198 for module in /ide-core.ko /via82cxxx.ko; do
199 [ -f "$module" ] && MyInsmod $module > /dev/null 2> /dev/null
200 done
201# Then load the remaining modules in normal (i.e. arbitrary) order.
202 for j in 1 2 3 4 5 ; do
203 for i in `ls /*.*o* 2> /dev/null` ; do
204 [ -f "$i" ] && MyInsmod $i > /dev/null 2> /dev/null
205 done
206 done
207}
208
209
210
211PauseForRaids() {
212 if [ "`dmesg | grep -i "RAID Controller"`" != "" ] || [ "`dmesg | grep -i "Vendor: 3ware"`" != "" ] ; then
213 LogIt "RAID controller(s) detected. Pausing 10 seconds to let them warm up." 1
214 echo -en "Pausing..."
215 for i in 1 2 3 4 5 6 7 8 9 10 ; do
216 sleep 1
217 echo -en "$(($i*10))%..."
218 done
219 echo "Done."
220 fi
221}
222
223
224# 06/13/2002 --- DuckX's & Hugo's new routine
225# 10/11/2003 --- added a simple devfsd.conf file
226# 01/24/2005 --- cater for arbitrary locations of devfsd.conf by using the
227# config file path compiled into devfsd
228RunDevfsd() {
229 loc=`which devfsd 2> /dev/null`
230 if [ "$loc" != "" ] ; then
231 LogIt "Devfs found. Testing kernel support..."
232 if [ ! -e "/dev/.devfsd" ] ; then
233 mount -t devfs devfs /dev 2>> /tmp/mondo-restore.log
234 if [ "$?" -ne "0" ] ; then
235 LogIt "Error while trying to mount devfs"
236 else
237 LogIt "Devfs mounted OK"
238 fi
239 fi
240 #check if the kernel supports devfs
241 if [ -e "/dev/.devfsd" ] ; then
242 [ -d "/proc/1" ] || mount -n /proc
243 LogIt "Kernel support found. Creating config file and starting devfsd"
244 conffile=`strings $loc | grep "devfsd.conf$"`
245 [ "$conffile" ] || conffile="/etc/devfsd.conf"
246 confpath=`echo $conffile | sed "s/\/devfsd\.conf$//"`
247 [ -d "$confpath" ] || mkdir -p $confpath
248 echo -en "REGISTER .* MKOLDCOMPAT\nUNREGISTER .* RMOLDCOMPAT\n" > $conffile
249 devfsd /dev &
250 sleep 5
251 else
252 LogIt "No devfs kernel support."
253 fi
254 fi
255}
256
257
258
259
260
261
262#RunDevfsd() {
263# loc=`which devfsd 2> /dev/null`
264# if [ "$loc" != "" ] ; then
265# LogIt "Starting devfsd"
266# devfsd /dev &
267# sleep 5
268# fi
269#}
270
271
272
273SpaceTests() {
274 [ -e "/tmp/filelist.full" ] && cp /tmp/filelist.full /tmp/FLF
275 if [ "`HowMuchFreeSpaceOnRamdisk`" -le "3" ] ; then
276 LogIt "Ramdisk is a bit smaller than I would like." 1
277 LogIt "Please re-run Mondo/Mindi but edit /usr/local/mindi first" 1
278 LogIt "and set EXTRA_SPACE to something high, e.g. 8000" 1
279 Die "Aborting. Please reboot."
280 fi
281 rm -f /tmp/FLF
282}
283
284
285
286StartLvms() {
287 if [ -e "/tmp/i-want-my-lvm" ] ; then
288 LogIt "Scanning LVM's..." 1
289 if which lvm ; then
290 MyInsmod dm-mod
291 MyInsmod dm_mod
292 lvm vgscan --mknodes
293 else
294 vgscan
295 fi
296 grep -E "^#.*vgchange" /tmp/i-want-my-lvm | sed "s/^#[ ]*//" > /tmp/start-lvm
297 chmod +x /tmp/start-lvm
298 echo -en "Starting LVM's..."
299 /tmp/start-lvm &
300 for i in 1 2 3 4 5 ; do
301 echo -en "."
302 sleep 1
303 done
304 echo "Done."
305 fi
306# If necessary, cannibalize 'analyze-my-lvm'; copy some of its code here,
307# pipe vgscan's output, strip it, run 'vgchange' on its output, etc.etc.
308 LogIt "LVM's have been started."
309}
310
311
312StartRaids() {
313 local raid_devices i
314 if which raidstart > /dev/null 2> /dev/null ; then
315 raid_devices=`grep /dev/md /tmp/mountlist.txt | cut -d' ' -f1`
316 for i in $raid_devices ; do
317 if grep `basename $i` /proc/mdstat > /dev/null 2> /dev/null ; then
318 LogIt "$i is started already; no need to run 'raidstart $i'" 1
319 else
320 LogIt "Running 'raidstart $i'" 1
321 raidstart $i
322 fi
323 done
324 elif which mdrun > /dev/null 2> /dev/null ; then
325 LogIt "Running 'mdrun'" 1
326 mdrun
327 else
328 LogIt "Warning: Neither 'raidstart' nor 'mdrun''found. RAID devices may not have started." 1
329 fi
330
331}
332
333
334SwapTheMountExecs() {
335 if [ -e "/bin/mount.libc5" ] ; then
336 LogIt "Swapping busybox's mount with libc5 mount"
337 mv /bin/mount /bin/mount.bb
338 mv /bin/mount.libc5 /bin/mount
339 sync
340 fi
341}
342
343
344TryAgainToFindCD() {
345 local res
346 mount | grep /mnt/cdrom && return 0
347 [ "`grep "backup_media_type" /tmp/mondo-restore.cfg | grep "cdstream"`" ] && return
348 LogIt "Trying to mount CD-ROM a 2nd time..."
349 find-and-mount-cdrom --second-try
350 res=$?
351 if [ "$res" -eq "0" ] ; then
352 CD_MOUNTED_OK=yes
353 LogIt "CD-ROM drive mounted successfully." 1
354 else
355 LogIt "I still cannot find or mount the CD-ROM drive, by the way."
356 fi
357}
358
359
360
361UseTmpfs()
362{
363 local mount_cmd
364 echo -en "Mounting /tmp/tmpfs..."
365 mkdir -p /tmp/tmpfs
366# For technical reasons, some sets are as large as 16MB.
367# I am allowing 32MB because selective restore occupies a lot of space.
368 for size in 64m 48m 40m 32m ; do
369 mount_cmd="mount /dev/shm -t tmpfs -o size=$size" ; # was 34m until 04/2003
370 LogIt "Trying '$mount_cmd'"
371 $mount_cmd /tmp/tmpfs 2>> /tmp/mondo-restore.log
372 res=$?
373 [ "$res" -eq "0" ] && break
374 done
375 if [ "$res" -ne "0" ] ; then
376 LogIt "Failed. I could not run '$mount_cmd /tmp/tmpfs'. Your kernel is BROKEN or you do not have enough RAM." 1
377 umount /tmp/tmpfs > /dev/null 2> /dev/null
378 rmdir /tmp/tmpfs
379 ln -sf /mnt/RESTORING/tmp /tmp/tmpfs; # used by mondo-restore
380 LogIt "Failed to mount /tmp/tmpfs; using ugly softlink instead"
381 else
382 LogIt "Great. Pivot succeeded w/ size=$size" 1
383 echo -en "Pivoting /tmp..."
384 umount /tmp/tmpfs
385 mkdir -p /tmp.old
386 mv -f /tmp/* /tmp.old/
387 $mount_cmd /tmp
388 mv /tmp.old/* /tmp/
389 rmdir /tmp.old
390 mkdir -p /tmp/tmpfs
391 mkdir -p $GROOVY
392 echo "Done."
393 LogIt "Successfully mounted dynamic /tmp ramdisk"
394# mkdir -p /tmp/tmpfs/var
395# mv -f /var/log /tmp/tmpfs/var/log
396# ln -sf /tmp/tmpfs/var/log /var/log
397 fi
398}
399
400
401WelcomeMessage()
402{
403 echo "********************************************************************"
404 echo "MINDI-LINUX by Mondo Dev Team - web site: http://www.mondorescue.org"
405 echo "Boot disk based on AlfaLinux & Trinux. BusyBox by Erik Andersen."
406which petris > /dev/null 2> /dev/null && echo "Petris was written by Peter Seidler <p.seidler@mail1.stofanet.dk>."
407 echo "Executables and source code are covered by the GNU GPL. No warranty."
408 echo "running on $ARCH"
409 echo "********************************************************************"
410}
411
412
413EnableCcissIfAppropriate() {
414 local i fname
415 for i in 0 1 2 3 ; do
416 fname="/proc/driver/cciss/cciss$i"
417 if [ -e "$fname" ] ; then
418 LogIt "Engaging $fname"
419 echo "engage scsi" > $fname
420 LogIt "...result=$?"
421 fi
422 done
423}
424
425
426ExtractDataDisksAndLoadModules() {
427 echo "Installing additional tools ..."
428 install-additional-tools
429 echo "Inserting modules ..."
430 insert-all-my-modules > $LOGFILE 2> $LOGFILE
431}
432
433# ------------------------ main -----------------------
434
435trap CaughtSoftReset SIGTERM
436LOGFILE=/tmp/mondo-restore.log
437PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/mondo:/usr/local/mondo:/usr/local/mindi:.
438GROOVY=/tmp/groovy-stuff
439USER=root
440export PATH GROOVY USER
441
442mount -o remount rw /
443[ ! "$GROOVY" ] && Die "I'm not groovy!"
444for i in $GROOVY /mnt/floppy /mnt/cdrom /mnt/isodir /var/local/petris /tmp/isodir; do
445 mkdir -p $i
446done
447#/bin/update
448mount /proc/ /proc -v -t proc
449mkdir /sys 2> /dev/null
450mount /sys/ /sys -v -t sysfs 2>> $LOGFILE
451rm -f /foozero
452
453echo 0 > /proc/sys/kernel/exec-shield 2>> /dev/null
454
455ExtractDevTarballs
456LaunchTerminals
457InsertEssentialModules
458EnableCcissIfAppropriate
459#-------------------------------
460#WHOLIVESINAPINEAPPLEUNDERTHESEA#;# --- don't touch this :)
461#-------------------------------
462UseTmpfs
463if [ ! -e "/tmp/mondo-restore.cfg" ] ; then
464 LogIt "Warning - /tmp/mondo-restore.cfg not found"
465fi
466
467if [ "`grep -i 'tape ' /tmp/mondo-restore.cfg`" ] || [ "`grep -i udev /tmp/mondo-restore.cfg`" ] ; then
468 HandleTape
469 ExtractDataDisksAndLoadModules
470elif [ "`grep -i pxe /proc/cmdline`" ]; then
471 /sbin/start-nfs
472
473 # Simulate a local CD
474 echo "/mnt/cdrom" > /tmp/CDROM-LIVES-HERE
475 CD_MOUNTED_OK=yes
476 ExtractDataDisksAndLoadModules
477else
478 HandleCDROMorFloppies
479 ExtractDataDisksAndLoadModules
480 /sbin/start-nfs
481fi
482res=$?
483SwapTheMountExecs
484ConfigureLoggingDaemons
485if [ -e "/tmp/USE-DEVFS" ] ; then
486 umount /mnt/cdrom 2> /dev/null
487 mv /dev/cdrom /cdrom.lnk 2> /dev/null
488 CD_MOUNTED_OK=""
489 RunDevfsd
490fi
491echo "Starting potential Raid/LVMs ..."
492PauseForRaids
493StartRaids
494StartLvms
495CopyBootDevEntry
496LoadKeymap
497mkdir -p /tmp/tmpfs
498sleep 2
499#clear
500if [ -e "/dev/md0" ] && [ ! -e "/dev/md/0" ] && [ "`grep /dev/md/ /tmp/mountlist.txt`" != "" ] ; then
501 LogIt "Creating /dev/md/* softlinks just in case." 1
502 mkdir -p /dev/md
503 cp -af /dev/md0 /dev/md/0 2> /dev/null
504 cp -af /dev/md1 /dev/md/1 2> /dev/null
505 cp -af /dev/md2 /dev/md/2 2> /dev/null
506fi
507export ARCH=`uname -m`
508WelcomeMessage
509# SpaceTests; # Mandrake Linux 8.1 doesn't like this
510[ -e "/tmp/mountlist.txt" ] && cp -f /tmp/mountlist.txt /tmp/mountlist.original
511
512if ! [ "`grep -i "pxe" /proc/cmdline`" ] ; then
513 res="`cat /mnt/cdrom/archives/THIS-CD-NUMBER 2> /dev/null`"
514 [ "$res" != "1" ] && [ "$res" != "" ] && Die "This is CD #$res in the series. Please insert CD #1."
515 [ -e "/cdrom.lnk" ] && mv -f /cdrom.lnk /dev/cdrom && mount /dev/cdrom /mnt/cdrom && CD_MOUNTED_OK=yes
516 [ "$CD_MOUNTED_OK" != "yes" ] && TryAgainToFindCD
517 #mount | grep cdrom > /dev/null 2> /dev/null || mount /dev/cdrom /mnt/cdrom >> $LOGFILE 2>> $LOGFILE
518fi
519hack-cfg-if-necessary || LogIt "Cannot find hack-cfg-if-necessary"
520openvt 8 /usr/bin/tail -f /tmp/mondo-restore.log
521
522#-------------------------------
523#ABSORBENTANDYELLOWANDPOROUSISHE#;# --- don't touch this either :)
524#-------------------------------
525
526lsmod > /tmp/ramdisk-lsmod.txt 2> /dev/null
527cut -d' ' -f1 /tmp/original-lsmod.txt /tmp/original-lsmod.txt /tmp/ramdisk-lsmod.txt | sort | uniq -d > /tmp/missing-modules.txt
528echo "Warning - these modules did not make it onto the ramdisk" >> $LOGFILE
529cat /tmp/missing-modules.txt >> $LOGFILE
530
531#ctrlaltdel soft
532for path in /usr.bin /usr/bin ; do
533 fname=$path/nano
534 [ -e "$fname" ] && ln -sf $fname /usr/bin/pico
535done
536res=`which nano 2> /dev/null`
537[ "$res" ] && ln -sf /usr/bin/
538for i in null stdout stdin stderr ; do
539 cp -af /dev/$i /tmp
540done
541if grep "backup-media-type" /tmp/mondo-restore.cfg > /dev/null 2> /dev/null ; then
542 LogIt "backup-media-type is specified in config file - great."
543 LogIt "Calling post-init $mountlist"
544 post-init
545else
546 LogIt "backup-media-type is not specified in config file."
547 LogIt "I think this CD/floppy has no archives on it."
548fi
549echo -en "Type 'exit' to reboot the PC\r"
550umount /mnt/cdrom 2> /dev/null
551mount / -o rw,remount > /dev/null 2> /dev/null
552sh
553CaughtSoftReset
554# reboot
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