source: branches/2.2.5/mindi/rootfs/sbin/init @ 1610

Last change on this file since 1610 was 1610, checked in by Bruno Cornec, 13 years ago

Fix bug #189 (MarkNienberg?)

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1#!/bin/sh
2#
3# $Id: init 1610 2007-09-02 00:01:44Z 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! $1" 1
52    exit 1
53}
54
55
56
57ExtractDevTarballs() {
58    cd /
59    for fname in ataraid.tgz ida.tgz i2o.tgz rd.tgz raw.tgz cciss.tgz nst.tgz dm.tgz vc.tgz ; do
60        if [ ! -e "/$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                if [ -f /etc/mdadm.conf ] ; then
332                    LogIt "Running 'mdadm $i' with user supplied /etc/mdadm.conf" 1
333                    mdadm -A $i -c /etc/mdadm.conf
334                elif [ -f /etc/mdadm/mdadm.conf ] ; then
335                    LogIt "Running 'mdadm $i' with user supplied /etc/mdadm/mdadm.conf" 1
336                    mdadm -A $i -c /etc/mdadm/mdadm.conf
337                else
338                    LogIt "Running 'mdadm $i'" 1
339                    mdadm -Ac partitions -m dev $i
340                fi
341            fi
342        done
343    else
344        LogIt "Warning: Neither 'raidstart' nor 'mdrun''found. RAID devices may not have started." 1
345    fi
346
347}
348
349
350TryAgainToFindCD() {
351    local res
352    mount | grep /mnt/cdrom && return 0
353    [ "`grep "backup_media_type" /tmp/mondo-restore.cfg | grep "cdstream"`" ] && return
354    LogIt "Trying to mount CD-ROM a 2nd time..."
355    find-and-mount-cdrom --second-try
356    res=$?
357    if [ "$res" -eq "0" ] ; then
358        CD_MOUNTED_OK=yes
359        LogIt "CD-ROM drive mounted successfully." 1
360    else
361        LogIt "I still cannot find or mount the CD-ROM drive, by the way."
362    fi
363}
364
365
366
367UseTmpfs()
368{
369    local mount_cmd
370    echo -en "Mounting /tmp/tmpfs..."
371    mkdir -p /tmp/tmpfs
372# For technical reasons, some sets are as large as 16MB.
373# I am allowing 32MB because selective restore occupies a lot of space.
374    for size in 64m 48m 40m 32m ; do
375        mount_cmd="mount /dev/shm -t tmpfs -o size=$size" ; # was 34m until 04/2003
376        LogIt "Trying '$mount_cmd'"
377    $mount_cmd /tmp/tmpfs 2>> $LOGFILE
378    res=$?
379    [ "$res" -eq "0" ] && break
380    done
381    if [ "$res" -ne "0" ] ; then
382        LogIt "Failed. I could not run '$mount_cmd /tmp/tmpfs'. Your kernel is BROKEN or you do not have enough RAM." 1
383        umount /tmp/tmpfs > /dev/null 2> /dev/null
384    rmdir /tmp/tmpfs
385        ln -sf /mnt/RESTORING/tmp /tmp/tmpfs; # used by mondo-restore
386    LogIt "Failed to mount /tmp/tmpfs; using ugly softlink instead"
387    else
388        LogIt "Great. Pivot succeeded w/ size=$size" 1
389        echo -en "Pivoting /tmp..."
390        umount /tmp/tmpfs
391        mkdir -p /tmp.old
392        mv -f /tmp/* /tmp.old/
393        $mount_cmd /tmp
394        mv /tmp.old/* /tmp/
395        rmdir /tmp.old
396        mkdir -p /tmp/tmpfs
397        mkdir -p $GROOVY
398    echo "Done."
399    LogIt "Successfully mounted dynamic /tmp ramdisk"
400#   mkdir -p /tmp/tmpfs/var
401#        mv -f /var/log /tmp/tmpfs/var/log
402#        ln -sf /tmp/tmpfs/var/log /var/log
403    fi
404}
405
406
407WelcomeMessage()
408{
409    echo "********************************************************************"
410    echo "MINDI-LINUX by Mondo Dev Team - web site: http://www.mondorescue.org"
411    echo "Boot disk based on AlfaLinux & Trinux. BusyBox by Erik Andersen."
412which petris > /dev/null 2> /dev/null && echo "Petris was written by Peter Seidler <p.seidler@mail1.stofanet.dk>."
413    echo "Executables and source code are covered by the GNU GPL. No warranty."
414    echo "running on $ARCH"
415    echo "********************************************************************"
416}
417
418
419EnableCcissIfAppropriate() {
420    local i fname
421    for i in 0 1 2 3 ; do
422        fname="/proc/driver/cciss/cciss$i"
423        if [ -e "$fname" ] ; then
424            LogIt "Engaging $fname"
425            echo "engage scsi" > $fname
426            LogIt "...result=$?"
427        fi
428    done
429}
430
431
432ExtractDataDisksAndLoadModules() {
433    echo "Installing additional tools ..."
434    install-additional-tools
435    echo "Inserting modules ..."
436    insert-all-my-modules >> $LOGFILE 2>> $LOGFILE
437}
438
439# ------------------------ main -----------------------
440
441MINDI_VER=VVV
442MINDI_REV=RRR
443trap CaughtSoftReset SIGTERM
444LOGFILE=/tmp/mondorestore.log
445PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin:/mondo:/usr/games
446GROOVY=/tmp/groovy-stuff
447USER=root
448export PATH GROOVY USER LOGFILE
449
450echo "Welcome to init (from mindi ${MINDI_VER}-r${MINDI_REV}"
451
452mount -o remount rw /
453[ ! "$GROOVY" ] && Die "I'm not groovy!"
454for i in $GROOVY /mnt/floppy /mnt/cdrom /mnt/isodir /var/local/petris /tmp/isodir; do
455    mkdir -p $i
456done
457#/bin/update
458mount /proc/ /proc -v -t proc
459mkdir /sys 2> /dev/null
460mount /sys/ /sys -v -t sysfs 2>> $LOGFILE
461rm -f /foozero
462
463echo 0 > /proc/sys/kernel/exec-shield 2>> /dev/null
464
465ExtractDevTarballs
466LaunchTerminals
467InsertEssentialModules
468EnableCcissIfAppropriate
469#-------------------------------
470#WHOLIVESINAPINEAPPLEUNDERTHESEA#;# --- don't touch this :)
471#-------------------------------
472UseTmpfs
473if [ ! -e "/tmp/mondo-restore.cfg" ] ; then
474    LogIt "Warning - /tmp/mondo-restore.cfg not found"
475fi
476
477if [ "`grep -i 'tape ' /tmp/mondo-restore.cfg`" ] || [ "`grep -i udev /tmp/mondo-restore.cfg`" ] ; then
478    HandleTape
479    ExtractDataDisksAndLoadModules
480elif [ "`grep -i pxe /proc/cmdline`" ]; then
481    # We need to get here exported variables from start-nfs
482    . /sbin/start-nfs
483
484    # Simulate a local CD
485    echo "/mnt/cdrom" > /tmp/CDROM-LIVES-HERE
486    CD_MOUNTED_OK=yes
487    ExtractDataDisksAndLoadModules
488else
489    HandleCDROMorFloppies
490    ExtractDataDisksAndLoadModules
491    # We need to get here exported variables from start-nfs
492    . /sbin/start-nfs
493fi
494res=$?
495ConfigureLoggingDaemons
496if [ -e "/tmp/USE-DEVFS" ] ; then
497    umount /mnt/cdrom 2> /dev/null
498    mv /dev/cdrom /cdrom.lnk 2> /dev/null
499    CD_MOUNTED_OK=""
500    RunDevfsd
501fi
502echo "Starting potential Raid/LVMs ..."
503PauseForRaids
504StartRaids
505StartLvms
506CopyBootDevEntry
507LoadKeymap
508mkdir -p /tmp/tmpfs
509sleep 2
510#clear
511if [ -e "/dev/md0" ] && [ ! -e "/dev/md/0" ] && [ "`grep /dev/md/ /tmp/mountlist.txt`" != "" ] ; then
512    LogIt "Creating /dev/md/* softlinks just in case." 1
513    mkdir -p /dev/md
514    cp -af /dev/md0 /dev/md/0 2> /dev/null
515    cp -af /dev/md1 /dev/md/1 2> /dev/null
516    cp -af /dev/md2 /dev/md/2 2> /dev/null
517fi
518export ARCH=`uname -m`
519WelcomeMessage
520# SpaceTests; # Mandrake Linux 8.1 doesn't like this
521[ -e "/tmp/mountlist.txt" ] && cp -f /tmp/mountlist.txt /tmp/mountlist.original
522
523if ! [ "`grep -i "pxe" /proc/cmdline`" ] ; then
524    res="`cat /mnt/cdrom/archives/THIS-CD-NUMBER 2> /dev/null`"
525    [ "$res" != "1" ] && [ "$res" != "" ] && Die "This is CD #$res in the series. Please insert CD #1."
526    [ -e "/cdrom.lnk" ] && mv -f /cdrom.lnk /dev/cdrom && mount /dev/cdrom /mnt/cdrom && CD_MOUNTED_OK=yes
527    [ "$CD_MOUNTED_OK" != "yes" ] && TryAgainToFindCD
528    #mount | grep cdrom > /dev/null 2> /dev/null || mount /dev/cdrom /mnt/cdrom >> $LOGFILE 2>> $LOGFILE
529fi
530hack-cfg-if-necessary || LogIt "Cannot find hack-cfg-if-necessary"
531openvt 8 /usr/bin/tail -f $LOGFILE
532
533# Log some useful info
534LogIt "init (from mindi v$MINDI_VER-r${MINDI_REV}"
535LogIt "/proc/cmdline is:"
536cat /proc/cmdline  >> $LOGFILE
537LogIt "df result:"
538LogIt "----------"
539df >> $LOGFILE
540LogIt "-------------"
541LogIt "mount result:"
542LogIt "-------------"
543mount >> $LOGFILE
544LogIt "-------------"
545LogIt "lsmod result:"
546LogIt "-------------"
547lsmod >> $LOGFILE
548LogIt "-------------"
549LogIt "dmesg result:"
550LogIt "-------------"
551dmesg >> $LOGFILE
552
553#-------------------------------
554#ABSORBENTANDYELLOWANDPOROUSISHE#;# --- don't touch this either :)
555#-------------------------------
556
557#ctrlaltdel soft
558for path in /usr.bin /usr/bin ; do
559    fname=$path/nano
560    [ -e "$fname" ] && ln -sf $fname /usr/bin/pico
561done
562res=`which nano 2> /dev/null`
563[ "$res" ] && ln -sf /usr/bin/
564for i in null stdout stdin stderr ; do
565    cp -af /dev/$i /tmp
566done
567if grep "backup-media-type" /tmp/mondo-restore.cfg > /dev/null 2> /dev/null ; then
568    LogIt "backup-media-type is specified in config file - great."
569    LogIt "Calling post-init $mountlist"
570    post-init
571else
572    LogIt "backup-media-type is not specified in config file."
573    LogIt "I think this CD/floppy has no archives on it."
574fi
575echo -en "Type 'exit' to reboot the PC\n"
576umount /mnt/cdrom 2> /dev/null
577mount / -o rw,remount > /dev/null 2> /dev/null
578LogIt "Launching Shell"
579sh
580CaughtSoftReset
581# reboot
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