source: MondoRescue/branches/stable/mindi/rootfs/sbin/init @ 853

Last change on this file since 853 was 853, checked in by Bruno Cornec, 14 years ago

Patches from Brendan Bouffler <brendan.bouffler_at_hp.com> to allow x86_64 to work.

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File size: 15.2 KB
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1#!/bin/sh
2#
3# $Id: init 853 2006-09-28 15:34:10Z 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 $i
321            fi
322        done
323    elif which mdrun > /dev/null 2> /dev/null ; then
324        LogIt "Running 'mdrun'" 1
325        mdrun
326    else
327        LogIt "Warning: Neither 'raidstart' nor 'mdrun''found. RAID devices may not have started." 1
328    fi
329
330}
331
332
333SwapTheMountExecs() {
334    if [ -e "/bin/mount.libc5" ] ; then
335        LogIt "Swapping busybox's mount with libc5 mount"
336        mv /bin/mount /bin/mount.bb
337        mv /bin/mount.libc5 /bin/mount
338        sync
339    fi
340}
341
342
343TryAgainToFindCD() {
344    local res
345    mount | grep /mnt/cdrom && return 0
346    [ "`grep "backup_media_type" /tmp/mondo-restore.cfg | grep "cdstream"`" ] && return
347    LogIt "Trying to mount CD-ROM a 2nd time..."
348    find-and-mount-cdrom --second-try
349    res=$?
350    if [ "$res" -eq "0" ] ; then
351        CD_MOUNTED_OK=yes
352        LogIt "CD-ROM drive mounted successfully." 1
353    else
354        LogIt "I still cannot find or mount the CD-ROM drive, by the way."
355    fi
356}
357
358
359
360UseTmpfs()
361{
362    local mount_cmd
363    echo -en "Mounting /tmp/tmpfs..."
364    mkdir -p /tmp/tmpfs
365# For technical reasons, some sets are as large as 16MB.
366# I am allowing 32MB because selective restore occupies a lot of space.
367    for size in 64m 48m 40m 32m ; do
368        mount_cmd="mount /dev/shm -t tmpfs -o size=$size" ; # was 34m until 04/2003
369        LogIt "Trying '$mount_cmd'"
370    $mount_cmd /tmp/tmpfs 2>> /$LOGFILE
371    res=$?
372    [ "$res" -eq "0" ] && break
373    done
374    if [ "$res" -ne "0" ] ; then
375        LogIt "Failed. I could not run '$mount_cmd /tmp/tmpfs'. Your kernel is BROKEN or you do not have enough RAM." 1
376        umount /tmp/tmpfs > /dev/null 2> /dev/null
377    rmdir /tmp/tmpfs
378        ln -sf /mnt/RESTORING/tmp /tmp/tmpfs; # used by mondo-restore
379    LogIt "Failed to mount /tmp/tmpfs; using ugly softlink instead"
380    else
381        LogIt "Great. Pivot succeeded w/ size=$size" 1
382        echo -en "Pivoting /tmp..."
383        umount /tmp/tmpfs
384        mkdir -p /tmp.old
385        mv -f /tmp/* /tmp.old/
386        $mount_cmd /tmp
387        mv /tmp.old/* /tmp/
388        rmdir /tmp.old
389        mkdir -p /tmp/tmpfs
390        mkdir -p $GROOVY
391    echo "Done."
392    LogIt "Successfully mounted dynamic /tmp ramdisk"
393#   mkdir -p /tmp/tmpfs/var
394#        mv -f /var/log /tmp/tmpfs/var/log
395#        ln -sf /tmp/tmpfs/var/log /var/log
396    fi
397}
398
399
400WelcomeMessage()
401{
402    echo "********************************************************************"
403    echo "MINDI-LINUX by Mondo Dev Team - web site: http://www.mondorescue.org"
404    echo "Boot disk based on AlfaLinux & Trinux. BusyBox by Erik Andersen."
405which petris > /dev/null 2> /dev/null && echo "Petris was written by Peter Seidler <p.seidler@mail1.stofanet.dk>."
406    echo "Executables and source code are covered by the GNU GPL. No warranty."
407    echo "running on $ARCH"
408    echo "********************************************************************"
409}
410
411
412EnableCcissIfAppropriate() {
413    local i fname
414    for i in 0 1 2 3 ; do
415    fname="/proc/driver/cciss/cciss$i"
416    if [ -e "$fname" ] ; then
417        LogIt "Engaging $fname"
418        echo "engage scsi" > $fname
419        LogIt "...result=$?"
420    fi
421    done
422}
423
424
425ExtractDataDisksAndLoadModules() {
426    echo "Installing additional tools ..."
427    install-additional-tools
428    echo "Inserting modules ..."
429    insert-all-my-modules > $LOGFILE 2> $LOGFILE
430}
431
432# ------------------------ main -----------------------
433
434trap CaughtSoftReset SIGTERM
435LOGFILE=/tmp/mondo-restore.log
436PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/mondo:/usr/local/mondo:/usr/local/mindi:.
437GROOVY=/tmp/groovy-stuff
438USER=root
439export PATH GROOVY USER
440
441mount -o remount rw /
442[ ! "$GROOVY" ] && Die "I'm not groovy!"
443for i in $GROOVY /mnt/floppy /mnt/cdrom /mnt/isodir /var/local/petris /tmp/isodir; do
444    mkdir -p $i
445done
446#/bin/update
447mount /proc/ /proc -v -t proc
448mkdir /sys 2> /dev/null
449mount /sys/ /sys -v -t sysfs 2>> $LOGFILE
450rm -f /foozero
451
452echo 0 > /proc/sys/kernel/exec-shield 2>> /dev/null
453
454ExtractDevTarballs
455LaunchTerminals
456InsertEssentialModules
457EnableCcissIfAppropriate
458#-------------------------------
459#WHOLIVESINAPINEAPPLEUNDERTHESEA#;# --- don't touch this :)
460#-------------------------------
461UseTmpfs
462if [ ! -e "/tmp/mondo-restore.cfg" ] ; then
463    LogIt "Warning - /tmp/mondo-restore.cfg not found"
464fi
465
466if [ "`grep -i 'tape ' /tmp/mondo-restore.cfg`" ] || [ "`grep -i udev /tmp/mondo-restore.cfg`" ] ; then
467    HandleTape
468    ExtractDataDisksAndLoadModules
469elif [ "`grep -i pxe /proc/cmdline`" ]; then
470    /sbin/start-nfs
471
472    # Simulate a local CD
473    echo "/mnt/cdrom" > /tmp/CDROM-LIVES-HERE
474    CD_MOUNTED_OK=yes
475    ExtractDataDisksAndLoadModules
476else
477    HandleCDROMorFloppies
478    ExtractDataDisksAndLoadModules
479    /sbin/start-nfs
480fi
481res=$?
482SwapTheMountExecs
483ldconfig
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 $LOGFILE
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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