source: MondoRescue/branches/stable/mindi/rootfs/sbin/init@ 870

Last change on this file since 870 was 870, checked in by Bruno Cornec, 18 years ago
  • Checks variables berfore getting them from env during restore
  • source start-nfs to get env. Var. correctly set for mondorestore
  • Property svn:keywords set to Id
File size: 15.1 KB
Line 
1#!/bin/sh
2#
3# $Id: init 870 2006-10-03 14:12:38Z 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 [ "$res" -eq "0" ] ; then
167# clear
168 LogIt "OK, I am running on a CD-ROM. Good." 3
169 CD_MOUNTED_OK=yes
170 elif [ "$res" -eq "1" ] ; then
171# clear
172 LogIt "OK, I am running on floppies. Good." 3
173 CD_MOUNTED_OK=""
174 else
175 LogIt "OK, I am falling back to floppy mode." 3
176 LogIt "That means you'll have to copy the data disk images from" 3
177 LogIt "the CD/hard disk/whatever to physical 1.44MB disks and" 3
178 LogIt "insert them, one after the other. Please see the manual." 3
179 LogIt "The images are in /images on the CD, or /root/images/mindi" 3
180 LogIt "on your hard disk. Your archives are probably fine but" 3
181 LogIt "your tape streamer and/or CD-ROM drive are eccentric. :-)" 3
182 CD_MOUNTED_OK=""
183 fi
184 return 0
185}
186
187
188HowMuchFreeSpaceOnRamdisk() {
189 df -m -P | grep /dev/ram | head -n1 | tr -s '\t' ' ' | cut -d' ' -f4
190}
191
192
193
194InsertEssentialModules() {
195# Load the VIA IDE module first thing if it exists (requires ide-core).
196# This is to ensure that DMA is working for VIA chipsets with 2.6 kernels.
197 for module in /ide-core.ko /via82cxxx.ko; do
198 [ -f "$module" ] && MyInsmod $module > /dev/null 2> /dev/null
199 done
200# Then load the remaining modules in normal (i.e. arbitrary) order.
201 for j in 1 2 3 4 5 ; do
202 for i in `ls /*.*o* 2> /dev/null` ; do
203 [ -f "$i" ] && MyInsmod $i > /dev/null 2> /dev/null
204 done
205 done
206}
207
208
209
210PauseForRaids() {
211 if [ "`dmesg | grep -i "RAID Controller"`" != "" ] || [ "`dmesg | grep -i "Vendor: 3ware"`" != "" ] ; then
212 LogIt "RAID controller(s) detected. Pausing 10 seconds to let them warm up." 1
213 echo -en "Pausing..."
214 for i in 1 2 3 4 5 6 7 8 9 10 ; do
215 sleep 1
216 echo -en "$(($i*10))%..."
217 done
218 echo "Done."
219 fi
220}
221
222
223# 06/13/2002 --- DuckX's & Hugo's new routine
224# 10/11/2003 --- added a simple devfsd.conf file
225# 01/24/2005 --- cater for arbitrary locations of devfsd.conf by using the
226# config file path compiled into devfsd
227RunDevfsd() {
228 loc=`which devfsd 2> /dev/null`
229 if [ "$loc" != "" ] ; then
230 LogIt "Devfs found. Testing kernel support..."
231 if [ ! -e "/dev/.devfsd" ] ; then
232 mount -t devfs devfs /dev 2>> $LOGFILE
233 if [ "$?" -ne "0" ] ; then
234 LogIt "Error while trying to mount devfs"
235 else
236 LogIt "Devfs mounted OK"
237 fi
238 fi
239 #check if the kernel supports devfs
240 if [ -e "/dev/.devfsd" ] ; then
241 [ -d "/proc/1" ] || mount -n /proc
242 LogIt "Kernel support found. Creating config file and starting devfsd"
243 conffile=`strings $loc | grep "devfsd.conf$"`
244 [ "$conffile" ] || conffile="/etc/devfsd.conf"
245 confpath=`echo $conffile | sed "s/\/devfsd\.conf$//"`
246 [ -d "$confpath" ] || mkdir -p $confpath
247 echo -en "REGISTER .* MKOLDCOMPAT\nUNREGISTER .* RMOLDCOMPAT\n" > $conffile
248 devfsd /dev &
249 sleep 5
250 else
251 LogIt "No devfs kernel support."
252 fi
253 fi
254}
255
256
257
258
259
260
261#RunDevfsd() {
262# loc=`which devfsd 2> /dev/null`
263# if [ "$loc" != "" ] ; then
264# LogIt "Starting devfsd"
265# devfsd /dev &
266# sleep 5
267# fi
268#}
269
270
271
272SpaceTests() {
273 [ -e "/tmp/filelist.full" ] && cp /tmp/filelist.full /tmp/FLF
274 if [ "`HowMuchFreeSpaceOnRamdisk`" -le "3" ] ; then
275 LogIt "Ramdisk is a bit smaller than I would like." 1
276 LogIt "Please re-run Mondo/Mindi but edit /usr/local/mindi first" 1
277 LogIt "and set EXTRA_SPACE to something high, e.g. 8000" 1
278 Die "Aborting. Please reboot."
279 fi
280 rm -f /tmp/FLF
281}
282
283
284
285StartLvms() {
286 if [ -e "/tmp/i-want-my-lvm" ] ; then
287 LogIt "Scanning LVM's..." 1
288 if which lvm ; then
289 MyInsmod dm-mod
290 MyInsmod dm_mod
291 lvm vgscan --mknodes
292 else
293 vgscan
294 fi
295 grep -E "^#.*vgchange" /tmp/i-want-my-lvm | sed "s/^#[ ]*//" > /tmp/start-lvm
296 chmod +x /tmp/start-lvm
297 echo -en "Starting LVM's..."
298 /tmp/start-lvm &
299 for i in 1 2 3 4 5 ; do
300 echo -en "."
301 sleep 1
302 done
303 echo "Done."
304 fi
305# If necessary, cannibalize 'analyze-my-lvm'; copy some of its code here,
306# pipe vgscan's output, strip it, run 'vgchange' on its output, etc.etc.
307 LogIt "LVM's have been started."
308}
309
310
311StartRaids() {
312 local raid_devices i
313 if which raidstart > /dev/null 2> /dev/null ; then
314 raid_devices=`grep /dev/md /tmp/mountlist.txt | cut -d' ' -f1`
315 for i in $raid_devices ; do
316 if grep `basename $i` /proc/mdstat > /dev/null 2> /dev/null ; then
317 LogIt "$i is started already; no need to run 'raidstart $i'" 1
318 else
319 LogIt "Running 'raidstart $i'" 1
320 raidstart $i
321 fi
322 done
323 elif which mdrun > /dev/null 2> /dev/null ; then
324 LogIt "Running 'mdrun'" 1
325 mdrun
326 else
327 LogIt "Warning: Neither 'raidstart' nor 'mdrun''found. RAID devices may not have started." 1
328 fi
329
330}
331
332
333TryAgainToFindCD() {
334 local res
335 mount | grep /mnt/cdrom && return 0
336 [ "`grep "backup_media_type" /tmp/mondo-restore.cfg | grep "cdstream"`" ] && return
337 LogIt "Trying to mount CD-ROM a 2nd time..."
338 find-and-mount-cdrom --second-try
339 res=$?
340 if [ "$res" -eq "0" ] ; then
341 CD_MOUNTED_OK=yes
342 LogIt "CD-ROM drive mounted successfully." 1
343 else
344 LogIt "I still cannot find or mount the CD-ROM drive, by the way."
345 fi
346}
347
348
349
350UseTmpfs()
351{
352 local mount_cmd
353 echo -en "Mounting /tmp/tmpfs..."
354 mkdir -p /tmp/tmpfs
355# For technical reasons, some sets are as large as 16MB.
356# I am allowing 32MB because selective restore occupies a lot of space.
357 for size in 64m 48m 40m 32m ; do
358 mount_cmd="mount /dev/shm -t tmpfs -o size=$size" ; # was 34m until 04/2003
359 LogIt "Trying '$mount_cmd'"
360 $mount_cmd /tmp/tmpfs 2>> /$LOGFILE
361 res=$?
362 [ "$res" -eq "0" ] && break
363 done
364 if [ "$res" -ne "0" ] ; then
365 LogIt "Failed. I could not run '$mount_cmd /tmp/tmpfs'. Your kernel is BROKEN or you do not have enough RAM." 1
366 umount /tmp/tmpfs > /dev/null 2> /dev/null
367 rmdir /tmp/tmpfs
368 ln -sf /mnt/RESTORING/tmp /tmp/tmpfs; # used by mondo-restore
369 LogIt "Failed to mount /tmp/tmpfs; using ugly softlink instead"
370 else
371 LogIt "Great. Pivot succeeded w/ size=$size" 1
372 echo -en "Pivoting /tmp..."
373 umount /tmp/tmpfs
374 mkdir -p /tmp.old
375 mv -f /tmp/* /tmp.old/
376 $mount_cmd /tmp
377 mv /tmp.old/* /tmp/
378 rmdir /tmp.old
379 mkdir -p /tmp/tmpfs
380 mkdir -p $GROOVY
381 echo "Done."
382 LogIt "Successfully mounted dynamic /tmp ramdisk"
383# mkdir -p /tmp/tmpfs/var
384# mv -f /var/log /tmp/tmpfs/var/log
385# ln -sf /tmp/tmpfs/var/log /var/log
386 fi
387}
388
389
390WelcomeMessage()
391{
392 echo "********************************************************************"
393 echo "MINDI-LINUX by Mondo Dev Team - web site: http://www.mondorescue.org"
394 echo "Boot disk based on AlfaLinux & Trinux. BusyBox by Erik Andersen."
395which petris > /dev/null 2> /dev/null && echo "Petris was written by Peter Seidler <p.seidler@mail1.stofanet.dk>."
396 echo "Executables and source code are covered by the GNU GPL. No warranty."
397 echo "running on $ARCH"
398 echo "********************************************************************"
399}
400
401
402EnableCcissIfAppropriate() {
403 local i fname
404 for i in 0 1 2 3 ; do
405 fname="/proc/driver/cciss/cciss$i"
406 if [ -e "$fname" ] ; then
407 LogIt "Engaging $fname"
408 echo "engage scsi" > $fname
409 LogIt "...result=$?"
410 fi
411 done
412}
413
414
415ExtractDataDisksAndLoadModules() {
416 echo "Installing additional tools ..."
417 install-additional-tools
418 echo "Inserting modules ..."
419 insert-all-my-modules > $LOGFILE 2> $LOGFILE
420}
421
422# ------------------------ main -----------------------
423
424trap CaughtSoftReset SIGTERM
425LOGFILE=/tmp/mondo-restore.log
426PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/mondo:/usr/local/mondo:/usr/local/mindi:.
427GROOVY=/tmp/groovy-stuff
428USER=root
429export PATH GROOVY USER
430
431mount -o remount rw /
432[ ! "$GROOVY" ] && Die "I'm not groovy!"
433for i in $GROOVY /mnt/floppy /mnt/cdrom /mnt/isodir /var/local/petris /tmp/isodir; do
434 mkdir -p $i
435done
436#/bin/update
437mount /proc/ /proc -v -t proc
438mkdir /sys 2> /dev/null
439mount /sys/ /sys -v -t sysfs 2>> $LOGFILE
440rm -f /foozero
441
442echo 0 > /proc/sys/kernel/exec-shield 2>> /dev/null
443
444ExtractDevTarballs
445LaunchTerminals
446InsertEssentialModules
447EnableCcissIfAppropriate
448#-------------------------------
449#WHOLIVESINAPINEAPPLEUNDERTHESEA#;# --- don't touch this :)
450#-------------------------------
451UseTmpfs
452if [ ! -e "/tmp/mondo-restore.cfg" ] ; then
453 LogIt "Warning - /tmp/mondo-restore.cfg not found"
454fi
455
456if [ "`grep -i 'tape ' /tmp/mondo-restore.cfg`" ] || [ "`grep -i udev /tmp/mondo-restore.cfg`" ] ; then
457 HandleTape
458 ExtractDataDisksAndLoadModules
459elif [ "`grep -i pxe /proc/cmdline`" ]; then
460 # We need to get here exported variables from start-nfs
461 . /sbin/start-nfs
462
463 # Simulate a local CD
464 echo "/mnt/cdrom" > /tmp/CDROM-LIVES-HERE
465 CD_MOUNTED_OK=yes
466 ExtractDataDisksAndLoadModules
467else
468 HandleCDROMorFloppies
469 ExtractDataDisksAndLoadModules
470 # We need to get here exported variables from start-nfs
471 . /sbin/start-nfs
472fi
473res=$?
474ConfigureLoggingDaemons
475if [ -e "/tmp/USE-DEVFS" ] ; then
476 umount /mnt/cdrom 2> /dev/null
477 mv /dev/cdrom /cdrom.lnk 2> /dev/null
478 CD_MOUNTED_OK=""
479 RunDevfsd
480fi
481echo "Starting potential Raid/LVMs ..."
482PauseForRaids
483StartRaids
484StartLvms
485CopyBootDevEntry
486LoadKeymap
487mkdir -p /tmp/tmpfs
488sleep 2
489#clear
490if [ -e "/dev/md0" ] && [ ! -e "/dev/md/0" ] && [ "`grep /dev/md/ /tmp/mountlist.txt`" != "" ] ; then
491 LogIt "Creating /dev/md/* softlinks just in case." 1
492 mkdir -p /dev/md
493 cp -af /dev/md0 /dev/md/0 2> /dev/null
494 cp -af /dev/md1 /dev/md/1 2> /dev/null
495 cp -af /dev/md2 /dev/md/2 2> /dev/null
496fi
497export ARCH=`uname -m`
498WelcomeMessage
499# SpaceTests; # Mandrake Linux 8.1 doesn't like this
500[ -e "/tmp/mountlist.txt" ] && cp -f /tmp/mountlist.txt /tmp/mountlist.original
501
502if ! [ "`grep -i "pxe" /proc/cmdline`" ] ; then
503 res="`cat /mnt/cdrom/archives/THIS-CD-NUMBER 2> /dev/null`"
504 [ "$res" != "1" ] && [ "$res" != "" ] && Die "This is CD #$res in the series. Please insert CD #1."
505 [ -e "/cdrom.lnk" ] && mv -f /cdrom.lnk /dev/cdrom && mount /dev/cdrom /mnt/cdrom && CD_MOUNTED_OK=yes
506 [ "$CD_MOUNTED_OK" != "yes" ] && TryAgainToFindCD
507 #mount | grep cdrom > /dev/null 2> /dev/null || mount /dev/cdrom /mnt/cdrom >> $LOGFILE 2>> $LOGFILE
508fi
509hack-cfg-if-necessary || LogIt "Cannot find hack-cfg-if-necessary"
510openvt 8 /usr/bin/tail -f $LOGFILE
511
512#-------------------------------
513#ABSORBENTANDYELLOWANDPOROUSISHE#;# --- don't touch this either :)
514#-------------------------------
515
516lsmod > /tmp/ramdisk-lsmod.txt 2> /dev/null
517cut -d' ' -f1 /tmp/original-lsmod.txt /tmp/original-lsmod.txt /tmp/ramdisk-lsmod.txt | sort | uniq -d > /tmp/missing-modules.txt
518echo "Warning - these modules did not make it onto the ramdisk" >> $LOGFILE
519cat /tmp/missing-modules.txt >> $LOGFILE
520
521#ctrlaltdel soft
522for path in /usr.bin /usr/bin ; do
523 fname=$path/nano
524 [ -e "$fname" ] && ln -sf $fname /usr/bin/pico
525done
526res=`which nano 2> /dev/null`
527[ "$res" ] && ln -sf /usr/bin/
528for i in null stdout stdin stderr ; do
529 cp -af /dev/$i /tmp
530done
531if grep "backup-media-type" /tmp/mondo-restore.cfg > /dev/null 2> /dev/null ; then
532 LogIt "backup-media-type is specified in config file - great."
533 LogIt "Calling post-init $mountlist"
534 post-init
535else
536 LogIt "backup-media-type is not specified in config file."
537 LogIt "I think this CD/floppy has no archives on it."
538fi
539echo -en "Type 'exit' to reboot the PC\r"
540umount /mnt/cdrom 2> /dev/null
541mount / -o rw,remount > /dev/null 2> /dev/null
542sh
543CaughtSoftReset
544# reboot
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