summaryrefslogtreecommitdiffstats
path: root/src/initramfs/scripts/init
blob: ec0e815fd6a9ed8c22f385d36f9021fd0a0b22d6 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
#!/bin/sh
# Copyright (c) 2003..2006 - RZ Uni Freiburg
# Copyright (c) 2006..2010 - OpenSLX GmbH
#
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your feedback to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org
#
# Main script for initial ramfs for OpenSLX linux stateless clients
#############################################################################

# fixme: the primary init script should never fail, so move all critical code
# into sub script calls (see ticket 259)

export PATH=/bin:/sbin:/usr/bin/:/usr/sbin

# device files get their own filesystem (to be move mounted later)
devdir="/dev"
mount -n -t tmpfs -o 'size=25%,mode=0755' initramfsdevs ${devdir}

# mount the important standard directories
[ ! -f /proc/cpuinfo ] && mount -n -t proc proc /proc
[ ! -d /sys/class ] && mount -n -t sysfs sysfs /sys

# create basic device files an directories (in dev - for most hardware related
# devices mdev should handle that)
for i in "/dev/mem c 1 1" "/dev/null c 1 3" "/dev/zero c 1 5" \
         "/dev/urandom c 1 9" "/dev/kmsg c 1 11" "/dev/tty0 c 4 0" \
         "/dev/tty1 c 4 1" "/dev/tty2 c 4 2" "/dev/tty3 c 4 3" \
         "/dev/tty4 c 4 4" "/dev/tty5 c 4 5" "/dev/tty6 c 4 6" \
         "/dev/tty7 c 4 7" "/dev/tty8 c 4 8" "/dev/tty9 c 4 9" \
         "/dev/tty10 c 4 10" "/dev/tty c 5 0" "/dev/console c 5 1" \
         "/dev/ptmx c 5 2" "/dev/psaux c 10 1" "/dev/agpgart c 10 175" \
         "/dev/fb0 c 29 0" "/dev/xconsole p"; do
  mknod $i
done
mkdir -p ${devdir}/pts ${devdir}/shm ${devdir}/.udevdb ${devdir}/.udev \
  ${devdir}/.initramfs /var/log
# create some standard links (expected?) in /dev
ln -s /proc/kcore /dev/core
ln -s /proc/self/fd /dev/fd
ln -s /proc/self/fd/0 /dev/stdin
ln -s /proc/self/fd/1 /dev/stdout
ln -s /proc/self/fd/2 /dev/stderr

# redirect kernel messages to tty10 instead of the standard console
getty -i -n -l /bin/cat 38400 tty10 &
setlogcons 10

# start device auto discovery/setup service of busybox
echo >/etc/mdev.conf
mdev -s

# source functions file common for all distros, messages contains all error
# and info output (for some reason the error output is not produced properly
# - crash)

# how do the localization here? There is not yet a country-Variable
. /etc/messages
. /etc/functions || ( echo -e $init_mff && sleep 100 )
. /etc/distro-functions || ( echo -e $init_dff && sleep 100 )

# configuration settings for this slx system's environment
. /etc/slxsystem.conf 2>/dev/null || ( echo -e ${init_sscf} && \
  sleep 100 )
# initramfs-setup configuration (common initial settings for all clients using
# a certain InitRamFS generated by slxconfig-demuxer)
[ -f /etc/initramfs-setup ] && . /etc/initramfs-setup 2>/dev/null

export date="${slxconf_date}"

export DEBUGLEVEL=0
export KERNEL="${slxconf_kernver}"
export NWMODULES="${slxconf_listnwmod}"
export DISTRO_NAME="${slxconf_distro_name}"
export DISTRO_VER="${slxconf_distro_ver}"
export SYSTEM_NAME="${slxconf_system_name}"
export SLXVERSION="${slxconf_slxver}"

# do not use dnbd cache file
nodnbdcache="yes"

# set a default LAN interface, might be modified for WLAN, bridge setups or
# on machines with more than one ethernet card built in
export nwif="eth0"

# load usb modules for keyboard (reenable usb keyboards, otherwise the
# admin has to wait until second run of hwsetup late in stage3) and the
# network adaptor modules, search for pci modules to load later on
hwautocfg base

# if no kernel version is set, try to get it directly from /proc
if [ -z $KERNEL ] ; then
  KERNEL=$(cat /proc/version)
  KERNEL=${KERNEL#*version }
  KERNEL=${KERNEL% (*) (*}
fi

# set defaults for some important variables, might be overwritten via
# kernel commandline
tmpfssize="$(expr $(grep -i "memtotal" /proc/meminfo | awk '{print $2}') \
  / 100 \* 75 - 128000)k" # in kbyte
cowsize="50%"
rwdir=/dev/shm
nfsro="nfs"
aufs=1
unionfs=1

runinithook '00-started'

# run pre init script and user defined preinit.local, copied by mkdxsinitrd
# from /var/lib/openslx/config/... in stage2
preinit
[ -x /bin/preinit.local ] && /bin/preinit.local


# switch off the several configuration methods, will be switched on
# according to kernel commandline settings
echo "noldap" > /tmp/ldap-done

# external configuration file retrieval (per tftp) must be done, as otherwise
# we will never get the initramfs-setup file. By default, we try a predefined
# standard path (.../tftpboot/client-config/ ...)
file="yes"

# read kernel commandline
read KCMDLINE < /proc/cmdline
export KCMDLINE
# read the system wide initramfs-setup and then the kernel commandline
for opts in $(sed "s/#.*//" /etc/initramfs-setup) ${KCMDLINE} ; do
  case ${opts} in
    # shut down pc
    shutdown)
      cat <<EOL

                     SHUTTING DOWN PC!
                     
EOL
      echo "o" >/proc/sysrq-trigger
    ;;
    # from IPAPPEND
    BOOTIF=*)
      bootmac=$(echo ${opts} | sed "s/.*=01-//;s/-/:/g")
    ;;
    # localization
    country=*)
      COUNTRY=${opts#country=}
      grep -q -E "country=" /etc/initramfs-setup && 
        echo -e "\n# localization information gotten via kernel command line \
in $0\ncountry=\"${COUNTRY}\"" >>/etc/initramfs-setup
    ;;
    # single token for debugging ...
    debug)
      DEBUGLEVEL=1
    ;;
    # ... or a specified debug level
    debug=*)
      DEBUGLEVEL=${opts#debug=}
      if [ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] ; then
        echo "** SLX init started near $(sysup)"
      elif [ $DEBUGLEVEL -ge 3 -a $DEBUGLEVEL -le 20 ] ; then
        # create, start a debug shell process
        echo "Debug shell started on second console (tty2)"
        echo -e "#!/bin/sh\nsh" >/bin/debugshell
        chmod u+x /bin/debugshell
        getty -i -n -l /bin/debugshell 38400 tty2 &
        # start logging (debuglevel >=3)
        # fixme: SuSE hangs in Creating /var/log/boot.msg if activated
        echo "Syslogd started on third console (tty3)"
        # just to have some name in syslog
        echo "(slx init)" >/proc/sys/kernel/hostname
        syslogd -C2048
	klogd
        logread -f > /dev/tty3 2>/dev/null &
        logread -f >> /var/log/messages 2>/dev/null &
      fi
    ;;
    # if configuration should not be gathered by dhcp client
    nodhcp)
      nodhcp="yes"
      echo "nodhcp" >/tmp/dhcp-done
    ;;
    nofile)
      unset file
      echo "nofile" >/tmp/file-done
    ;;
    # if ldap configuration should be triggered
    ldap)
      ldap="yes"
      rm /tmp/ldap-done
    ;;
    # ldap configuration with host and port to contact (base)
    ldap=*)
      ldap="yes"
      rm /tmp/ldap-done
    ;;
    # file source with tftp server and file location on the server
    file=*|file)
      if [ "${opts}" != "file" ] ; then
        fileprot=$(uri_token ${opts#file=} prot)
        fileserv=$(uri_token ${opts#file=} server)
        filepath=$(uri_token ${opts#file=} path)
      fi
    ;;
    # if ld.so.cache should be generated; should be switched on when composing
    # rootfs from more than one source
    ldsc)
      ldsc="yes";;
    # simple union of base ro rootdir with tempfs on top
    nounionfs)
      unionfs=0;;
    # additional source to unify root filesystem with; the top layer will be
    # the tempfs
    unionfs=*)
      unionfs=1
      uniondirs=${opts#unionfs=}
      # most probably it is a good idea to run ldconfig, so enable it
      ldsc="yes"
    ;;
    # same for AUFS; alternative to unionfs
    noaufs)
      aufs=0;;
    aufs=*)
      aufs=1
      uniondirs=${opts#aufs=}
      # most probably it is a good idea to run ldconfig, so enable it
      ldsc="yes"
    ;;
    # if cowloop should be used, only ontop of network block device and in
    # combination with classical fs, like ext2 useful
    cowloop=*)
      cowloop=1
      #cowsize=${opts#cowloop=}
    ;;
    # rootfs will void the variables (d)nbdroot, nfsroot ...
    # fixme: allow multiple rootfs sources to be unioned!?
    # if strinstr " " "$rootfs" ...
    rootfs=*)
      rootfs=${opts#rootfs=}
      rootfs=${rootfs#\"}
      rootfs=${rootfs%%\"}
      srvproto=$(uri_token $rootfs prot)
      case $srvproto in
        nfs)
          # nfsroot consists of two components
          nfspath=$(uri_token $rootfs path)
          nfsserver=$(uri_token $rootfs server)
          grep -q -E "nfsserver" /etc/initramfs-setup || \
            echo -e "# nfs root information gotten via kernel command \
line in $0\nnfsserver=\"${nfsserver}\"\nnfspath=\"${nfspath}\"" \
              >>/etc/initramfs-setup
        ;;
        *nbd*)
          bldmod=$srvproto
          # get settings for nbd-client, filesystem equals to path in URI
          # notation (remove leading slash from filesystem at the end)
          bldhost=$(uri_token $rootfs server)
          bldport=$(uri_token $rootfs port)
          bldrfst=$(uri_token $rootfs path)
          bldrfst=${bldrfst#/*}
        ;;
        aoe)
          echo "Not implemented yet"
          bldmod=
        ;;
        iscsi)
          echo "Not implemented yet"
          bldmod=
          #iscsiserver=$(uri_token $rootfs server)
          #iscsiport=$(uri_token $rootfs port)
          #iscsitarget=$(uri_token $rootfs path)
        ;;
        lbd)
          # use a local device for mounting root block device with given
          # filesystem directly or a root filesystem container from another
          # filesystem, e.g. rootfs=lbd://sda1/squashfs (bldmod cannot be
          # empty, use loop or the real device stuff)
          bldmod=loop
          blddev=$(uri_token $rootfs server)
          bldfst=$(uri_token $rootfs path)
          bldfst=${bldfst#/*}
        ;;
      esac
    ;;
    # size of cache dnbd should use within ram
    dcsize=*)
      dnbdcachesize=${opts#dcsize=};;
    # ip configuration client-ip:server-ip:gateway:netmask
    ip=*)
      ipinfo=${opts#ip=};;
    # deprecated: nfs server and path (rewritten to standard style)
    nfsroot=*)
      srvproto=nfs
      nfsroot=${opts#nfsroot=}
      nfspath=${nfsroot#*:}
      nfsserver=${nfsroot%:/*}
      grep -q -E "nfsserver" /etc/initramfs-setup || \
        echo -e "\n# nfs root information gotten via kernel command line \n\
in $0\n# deprecated: please use rootfs=nfs://...\nnfsserver=\"${nfsserver}\"\
\nnfspath=\"${nfspath}\"">> /etc/initramfs-setup
    ;;
    # size of tempfs if not max. 50% of RAM should be used
    tmpfssize=*)
      tmpfssize=${opts#tmpfssize=};;
    # vendor code identifier for dhcp requests, that way OpenSLX clients could
    # be distinguished from other (dhcp) clients
    vci=*)
      vci=${opts#vci=};;
    # option for ddcinfo
    ddcinfo=*)
      ddcinfo=${opts#ddcinfo=};;
  esac
done

runinithook '05-have-kernelvars'

# at this point a timer should be started to ensure an automated reboot
# or halt of the machine if SLX init does not succeed (e.g. missing kernel
# module for the network adaptor)
if [ ${DEBUGLEVEL} -lt 3 -o ${DEBUGLEVEL} = 8 ] ; then
  cat<<EOF > /bin/watchdog
#!/bin/sh
echo \$$ > /tmp/watchdogpid
[ ! -f /proc/version ] && mount -n -t proc proc /proc
sleep 120 2> /dev/null
echo "o" > /proc/sysrq-trigger
EOF
  chmod u+x /bin/watchdog
  watchdog &
fi

# check if at least one type of IP configuration is availabe
if [ -n "$nodhcp" -a -z "$ldap" -a -z "$ipinfo" -a $srvproto != "lbd" ]
  then echo -e "# You did not specify any advanced configuration mode for \
your clients. You\n# might want to add the token 'dhcp' for DHCP config, \
'file(=source)'\n# for config file get via TFTP or 'ldap(=source)' for LDAP \
configuration to\n# your kernel command line." >> /etc/initramfs-setup
  if strinfile "clientip" /etc/initramfs-setup ; then
    # IP configuration seems to be present in initramfs-setup file
    # TODO: FIX this, as it will clobber all kernel-cmdline values!
    . /etc/initramfs-setup
    ipinfo="ip=$clientip:$serverip:$gateway:$subnet_mask"
  else
    error "$init_errip"
  fi
fi

# for ldap configuration at least basic IP setup is needed to contact the
# server
[ -n "$nodhcp" -a -n "$ldap" -a -z "$ipinfo" ] && error "$init_errldap"
# set debug level and logfile
if [ $DEBUGLEVEL -eq 20 ] ; then
  echo "** Setting debuglevel to ${DEBUGLEVEL} at $(sysup)"
elif [ $DEBUGLEVEL -ne 0 ] ; then
  echo "Setting debuglevel to ${DEBUGLEVEL}"
fi
export MODPRV=" "
export LOGFILE
if [ "${DEBUGLEVEL}" -gt 0 -a "${DEBUGLEVEL}" != 8 ] ; then
  # set LOGFILE and move it later on into stage4
  LOGFILE="/var/log/slx-boot.log"
  echo "Starting OpenSLX client boot logging at $(date)" >$LOGFILE
  echo "1 4 1 7" >/proc/sys/kernel/printk
  [ "${DEBUGLEVEL}" -ge 2 ] && MODPRV="-v"
  [ "${DEBUGLEVEL}" -gt 3 -a "${DEBUGLEVEL}" -le 10 ] && {
    set -x
    # and the kernel too
    echo "7 7 7 7" >/proc/sys/kernel/printk; }
  [ "${DEBUGLEVEL}" -gt 10 -a "${DEBUGLEVEL}" -le 20 ] && set +x
else
  # switch off most of kernel debug output
  echo "0 0 0 0" >/proc/sys/kernel/printk
  # modprobe should stay quiet
  MODPRV="-q"
  LOGFILE="/dev/null"
fi

runinithook '10-nw-if-config'

# check for multiple ethernet interfaces (we have at least the mac of PXE boot 
# device in $bootmac)
# check here for the active ethernet link (skip non-ethN interfaces)
if strinstr "eth" "$nwif" ; then
  for ethif in eth0 eth1 eth2 eth3 ; do
    export macaddr=$(ip link show dev $ethif 2>/dev/null | \
      grep -i link.ether | awk '{print $2}')
    # if there is no bootmac present in kernel commandline any checks are
    # useless
    if [ -z "$bootmac" ] ; then
      bootmac="$macaddr"
      [ "$ethif" != "eth0" ] && error "$init_bootmac" nonfatal
    fi
    if [ "$macaddr" = "$bootmac" ] ; then
      nwif=$ethif
      break
    elif [ "x$macaddr" = "x" ] ; then
      # if the macaddr is empty on the first interface tried, there is no
      # network adaptor visible (missing kernel module)
      if [ "$ethif" = "eth0" ] ; then
        error "$init_errnwad"
      else
        # assume a forcedeth problem here (nonmatching MACs)
        macaddr=${bootmac}
      fi
      break
    fi
  done
fi
# quickfix for proper nwif passing ... (to be fixed in a more general way)
sed "s/nwif=.*/nwif=\"${nwif}\"/" -i /tmp/env/wrapper.env
oldnwif=$nwif
# hook to setup bridging (several virtualization tools ...
runinithook '20-nw-bridge-config'

# set up loopback networking
[ $DEBUGLEVEL -eq 20 ] && echo "** starting ip config at $(sysup)"
ip link set dev lo up 2>/dev/null
ip addr add 127.0.0.1/8 dev lo 2>/dev/null
ip link set dev $nwif up  2>/dev/null || error "$init_noeth"

# analyze ip information from the kernel command line and put parts
# of it into several variables
if [ -n "$ipinfo" ] ; then
  getip () {
    local val="$ipinfo:"; i=$(($1 - 1));
    while [ $i -gt 0 ] ; do
      val=${val#*:} ; i=$(($i - 1));
    done;
  echo $val|sed "s/:.*//"; }
  clientip=$(getip 1)
  serverip=$(getip 2)
  gateway=$(getip 3)
  subnet_mask=$(getip 4)
  broadcast_address=$(ipcalc -s -b $clientip $subnet_mask|sed s/.*=//)
  [ -z "$broadcast_address" ] && broadcast_address=255.255.255.255
  # we might have an idea of the dns server via preboot
  dns_srv=$(getip 5)
  [ -n "$dns_srv" ] && echo nameserver $dns_srv >/etc/resolv.conf;
  echo -e "# ip configuration written by $0 script:\nclientip=$clientip\n\
subnet_mask=$subnet_mask\ngateway=$gateway\nserverip=$serverip\n\
broadcast_address=$broadcast_address" >>/etc/initramfs-setup
  # set static ip address
  ip addr add $clientip/$(ipcalc -s -p $clientip $subnet_mask|sed s/.*=//) \
    broadcast $broadcast_address dev $nwif 2>/dev/null
  ip route add default via $gateway 2>/dev/null
else
  noipyet="yes"
fi
# get configuration data via dhcp (with vendor code identifier if present
# in ${vci} from kernel command line or initramfs-setup) ...
if [ -z "$nodhcp" ] ; then
  ( rundhcp ${vci}; echo "dhcp finished at $(sysup)" >/tmp/dhcp-done ) &
  if [ -n "$noipyet" ] ; then
    waitfor /tmp/dhcp-done 20000
    . /tmp/confviadhcp
    # by now there should be a proper ip configuration present
    if [ -z "$clientip" -o -z "$subnet_mask" -o -z "$broadcast_address" ]
      then error "$init_errdhcp"
    else
      { ip addr add \
          $clientip/$(ipcalc -s -p $clientip $subnet_mask|sed s/.*=//) \
          broadcast $broadcast_address dev $nwif 2>/dev/null || \
            error "$init_erripcfg"; }
      # if gateway is available set it
      [ -n $gateway ] && ip route add default via $gateway 2>/dev/null
    fi
    # fixme: to be checked!!
    #  else
    #    if [ -n "$file" -a "$srvproto" = "lbd" ] ; then
    #      error "$init_erripcfg" nonfatal
    #    else
    #      error "$init_erripcfg"
    #    fi
    #  fi
  fi
fi
# check if serverip is set as variable @@@serverip@@@
sed "s,@@@serverip@@@,$serverip," -i /etc/initramfs-setup
[ $DEBUGLEVEL -eq 20 ] && echo "** finished ip config at $(sysup)"

# on some network adaptors we need to wait for the link to come up
dmesg | grep -q "link down" && for i in 1 1 1 1  ; do 
  dmesg | grep -q "link up" && break
  [ $DEBUGLEVEL -ge 1 ] && echo "network: waited half a second for the \
link to come up" >>$LOGFILE
  sleep $i
done
# ... or ldap if available (in background)
[ -n "$ldap" ] && ldapconf &
# ... or via (t)ftp/http file get (in background)
[ -n "$file" ] && fileget &

runinithook '25-have-ip-config'

## netconsole is disabled in the default config
# config_netconsole $clientip $oldnwif $nwif $serverip

# if root filesystem should be imported via local or a network block device
if [ -n "${bldmod}" ] ; then
  # load block device driver(s) if needed
  for module in ${bldmod} ; do
    modprobe ${MODPRV} ${module} || error "$init_errbld"
  done
  mdev -s
  [ -z "$bldrfst" ] && bldrfst=squashfs
  bldhost=$(checkip $bldhost)
  if [ $DEBUGLEVEL -eq 20 ] ; then
    echo "** starting setup of ${bldmod} at $(sysup)"
  else
    echo "Stateless client using ${bldmod} on $bldhost:$bldport with $bldrfst"
  fi
  # fixme: check for fs in /proc/filesystems before trying to load the module
  modprobe ${MODPRV} ${bldrfst} || error "$init_errbld" nonfatal

  # for debugging: interface might not be properly up - check reachability
  [ $DEBUGLEVEL -ge 1 ] && ping -c 1 -w 15 ${bldhost} >/dev/null 2>&1

  case "${srvproto}" in
    # network block device present in standard kernel
    nbd)
      RDEV=/dev/nbd0
      waitfor "${RDEV}" 20000 || error "$init_nbddev"
      i=0
      while ! nbd-client $bldhost $bldport ${RDEV} -persist ; do
        usleep 100000
        i=$(($i + 1))
        if [ $i -ge 1000 ] ; then
          error "$init_nbds"; break
        fi
      done
      usleep 100
      echo deadline > /sys/block/nbd0/queue/scheduler
      # echo "32" > /sys/block/nbd0/queue/read_ahead_kb
      ;;
    # dnbd2 by Vito Di Leo
    dnbd2)
      RDEV=/dev/vnbd0
      waitfor "${RDEV}" 20000 || error "$init_nbddev"
      # quickhack, should be read in from URI
      echo 1 > /sys/block/vnbd0/config/vid
      echo 1 > /sys/block/vnbd0/config/rid
      # check for others in initramfs-setup and then kernel cmdline
      rootfs="$(sed -n "/rootfs=/p" /etc/initramfs-setup| \
        sed "s,rootfs=,,;s,\",,g") "
      [ "$rootfs" = " " ] && \
        rootfs="$(cat /proc/cmdline|sed "s,.*rootfs=\",,;s,\".*,,") "
      i=0
      # assume no more than 16 different dnbd2 servers (default 4)
      while [ "x$bldhost" != "x" -a $i -lt 16 ]; do
        #echo "I: $i R: $rootfs P:$bldport H:$bldhost"
        echo $bldhost $bldport > /sys/block/vnbd0/server${i}/sock
        i=$(($i + 1))
        rootfs=${rootfs#* }
        bldsp=$(echo ${rootfs}|sed "s, .*,,")
        bldhost=$(uri_token $bldsp server)
        bldport=$(uri_token $bldsp port)
      done
      # the cfq scheduler seem not a good idea here
      echo deadline > /sys/block/vnbd0/queue/scheduler
      # needed for some reason to settle initialization
      sleep 1
      i=0
      while [ $(cat /sys/block/vnbd0/config/running) != 1 ] ; do
        usleep 100000
        echo 1 > /sys/block/vnbd0/config/running
        i=$(($i + 1))
        if [ $i -ge 50 ] ; then
          error "$init_dnbd2s"; break
        fi
      done
      echo "64" > /sys/block/vnbd0/queue/read_ahead_kb
      ;;
    # dnbd by Thorsten Zitterell
    dnbd)
      # quickhack
      RDEV=/dev/dnbd0
      if [ -z $nodnbdcache ] ; then  # variable not really used yet
        mkdir /dnbd
        mount -n -o 'size=20%' -t tmpfs tmpfs /dnbd
        ( cat /dev/zero > /dnbd/cache 2>/dev/null || echo "ok" >/tmp/cache ) &
        clientopt="-c /dnbd/cache"
        waitfor /tmp/cache 10000
      fi
      [ $(echo $bldhost|sed "s,\..*,,") -ge 224 ] && \
        ip route add 224.0.0.0/4 dev $nwif
      waitfor /dev/dnbd0 10000 || error "$init_nbddev"
      echo "dnbd-client -b $bldhost -d $RDEV $clientopt"
      while ! dnbd-client -b $bldhost -d $RDEV $clientopt ; do
        usleep 10000
      done
      # problem with squashfs and cfq scheduler
      echo noop > /sys/block/dnbd0/queue/scheduler
      echo 0 > /sys/block/dnbd0/queue/read_ahead_kb
      ;;
    lbd)
      # using clients local block device (disk partition is to be specified
      RDEV=/dev/$blddev
      echo "$bldrfst" >>/etc/filesystems
      realbldrfst=$bldrfst
      # we might need to mount the base layer filesystem first before accessing
      # e.g. a squashfs container file on it
      bldrfst=auto
      ;;
  esac
  RWRO="ro"
  if [ -n "${cowloop}" -a -x /bin/cowdev ] ; then
    modprobe ${MODPRV} cowloop || {
      error "$init_loadcow" nonfatal
      unset cowloop; }
    [ -x /bin/mdev ] && mdev -s
  fi
  if [ -n "${cowloop}" ] ; then
    if [ -n "${unionfs}" -o -n "${aufs}" ] ; then
      error "$init_cownobld"
      unset unionfs aufs
    fi
    echo "Using Copy-on-Write block device for rw access"
    mount -n -t tmpfs -o size=${cowsize} ramfs ${rwdir}
    mkdir /dev/cow && mknod /dev/cow/ctl b 241 255
    usleep 200
    ln -s /dev/cowloop0 /dev/cow/0
    # fixme - cowdev depending on blockdev choosen above ...
    cowdev -a /dev/nbd0 ${rwdir}/nbd.cow
    usleep 200
    RWRO="rw"
    RDEV=/dev/cow/0
    # run ldconfig if not switched off via kernel command line
    ldcfg
  else
    # use normal UnionFS behaviour because rootfs is not NFS
    unset nfsro
  fi
  # finally mount the configured network/local block device
  for i in 0 5000 20000 100000 500000 1000000 ; do
    usleep $i
    mount -n -t $bldrfst -o $RWRO $RDEV /mnt 2>/dev/null && break
  done
  # check if we got the rootfilesystem directly or need to mount a container
  # file from the mounted block device
  if [ "${srvproto}" = "lbd" -a -f /mnt/boot/${slxconf_system_name} ]; then
    mkdir /dev/bootdisk
    mount --move /mnt /dev/bootdisk
    mount -t ${realbldrfst} -o loop \
      /dev/bootdisk/boot/${slxconf_system_name} /mnt || error "$init_errloop"
  fi
  [ $DEBUGLEVEL -eq 20 ] && echo "** finished blockdev setup stuff at $(sysup)"
elif [ -n ${iscsiserver} ] ; then
  [ $DEBUGLEVEL -eq 20 ] && echo "** started setting up iSCSI initiator at \
$(sysup)"
  #if [ -n ${iscsitarget} ] ; then
  #  echo "InitiatorName=${iscsitarget}"|sed "s,@@@serverip@@@,$serverip," \
  #    >/etc/initiatorname.iscsi
  #else
  # discovery
  #fi
  #echo -e "node.startup = automatic">/etc/iscsid.conf
  #iscsid -c /etc/iscsid.conf
  # the cowloop part has to be moved (option for iscsi devices too)
  # and should be generalized for nbd, dnbd, iscsi
fi

# if no type of root filesystem is passed via kernel command line try
# information gathered from dhcp process (only valid for nfs)
if [ -z "${bldmod}" -a -z "${bldhost}" -a -z "${nfsserver}" ] ; then
  # information has to be read from dhcp and ldap configuration
  # cfgcomplete merges all configuration files
  cfgcomplete
fi

# mount nfs rootfs
if [ -z "${bldmod}" -a -z "${bldserver}" ] ; then
  [ $DEBUGLEVEL -eq 20 ] && echo "** started nfs mount"
  # read in extended initramfs-setup
  . /etc/initramfs-setup
  # prefer nfsserver and nfspath from kernel commandline over the information
  # gotten from dhcp server
  if [ -n "${nfsserver}" -a -n "${nfspath}" ] ; then
    # check if nfsserver is set as variable @@@serverip@@@
    nfsserver=$(checkip $nfsserver)
  else
    # we got a problem here
    error "$init_nfssp" fatal
  fi
  # interface might not be properly up - check reachability
  ping -c 1 -w 15 ${nfsserver} >/dev/null 2>&1
  # mount the rootfs via nfs readonly (ro)
  fsmount nfs ${nfsserver} ${nfspath} /mnt ro
  #for transport in tcp udp fail; do
  #  [ $proto = "fail" ] && { error "$init_nfs"; break; }
  #  mount -n -t nfs -o ro,nolock,${transport} ${nfsroot} /mnt && break
  #done
  [ $DEBUGLEVEL -eq 20 ] && echo "** finished nfs mount at $(sysup)"
fi

runinithook '35-have-network-root'

# get the complete collection of kernel modules and firmwares available
testmkd /lib/firmware
mount -n --bind /mnt/lib/modules /lib/modules && \
mount -n --bind /mnt/lib/firmware /lib/firmware || error "$init_moddir"
# start hardware configuration as background process if not a special
# debuglevel (21) is used for the option of manual hwautocfg start
if [ ${DEBUGLEVEL} = 21 ] ; then
  echo "You can run 'hwautocfg main &' manually now ..."
  /bin/sh
else
  [ $DEBUGLEVEL -eq 20 ] && echo "** started hwautocfg in background at \
$(sysup)"
  hwautocfg main &
fi

runinithook '40-started-hw-config'

# unionfs/aufs modules visible by now if installed, try to use aufs for rw
# access if available
union_type=""
if [ ${aufs} -eq 1 ] && \
   modprobe ${MODPRV} aufs 2>/dev/null && \
   lsmod | grep -qe "^aufs" ; then union_type="AUFS"
elif [ ${unionfs} -eq 1 ] && \
     modprobe ${MODPRV} unionfs 2>/dev/null && \
     lsmod | grep -qe "^unionfs" ; then union_type="UnionFS"
elif [ ${aufs} -eq 0 -a ${unionfs} -eq 0 -a -z "${cowloop}" ] ; then
  error "$init_deselau" nonfatal
  unset aufs unionfs
else
  error "$init_loadaufs" nonfatal
  unset aufs unionfs
fi

# runtimer
[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] && \
  echo "** Filesystem setup started at $(sysup)"
# setup of client root filesystem dependent on the availability of UnionFS
if [ "x${union_type}" != "x" ] ; then
  echo "Using ${union_type} for rw access"
  mkdir -p ${rwdir}/union ${rwdir}/uniontmp /rorootfs
  # adapting tempfs size of the device directory (takes /tmp in stage4)
  mount -o remount,size=${tmpfssize} ${devdir} 
  mount -n -t tmpfs -o size=${tmpfssize} none ${rwdir}/uniontmp
  # hack for handling unionfs with patched run-init
  mount -n --move /mnt /rorootfs
  if [ "$union_type" == "UnionFS" ]; then
    mount -n -t unionfs -o dirs=${rwdir}/uniontmp:/rorootfs=${nfsro}ro \
      none /mnt
  elif [ "$union_type" == "AUFS" ]; then
    mount -n -t aufs -o br:/${rwdir}/uniontmp:/rorootfs=ro none /mnt
  fi
  mkdir -p /mnt/uniontmp
  mount -n --move ${rwdir}/uniontmp /mnt/uniontmp
  chmod 0755 /mnt/uniontmp /mnt
  # running hardware disk/tmp setup now
  hwautocfg disk &
  # run ldconfig if switched on via kernel command line (token ldsc) or
  # triggered by unionized root filesystem
  ldcfg
elif [ -z "${cowloop}" ] ; then
  # fire up hardware disk/tmp setup first
  hwautocfg disk &
  echo "Using bind mounts to ramdisk for rw access"
  mount -n -t tmpfs -o size=75% ramfs ${rwdir}
  for path in ${D_BINDMPTS} ; do
    mkdir -p ${rwdir}/${path} >/dev/null 2>&1
    mount -n --bind ${rwdir}/${path} /mnt/${path}
    [ ${DEBUGLEVEL} -gt 1 -a ${DEBUGLEVEL} != 8 ] && \
      echo "Created ${rwdir}/${path} and mounted it to /mnt/$path"
  done
  # see above ...
  ldcfg
  # save the RO directories mentioned in the distro-specific
  # config to a temporary directory. They will later on be restored
  for path in ${D_RODIRSINRW}; do
    if [ -d /mnt/${path} ] ; then
      list="${path} ${list}"
      # exclude them from etc copy process too
      echo "${path}/*"|sed -e "s,/root/,,;s,^/,," >>/tmp/etc.exclude
      mkdir -p /root/${path} >/dev/null 2>&1
      mount -n --bind /mnt/${path} /root/${path} >/dev/null 2>&1
    fi
  done
  for path in /etc/${D_SYSCONFDIR} ${D_DIRINBINDMNT} ${list}; do
    mkdir -p ${rwdir}/${path}
  done
  testmkd ${rwdir}/var/tmp 1777
  # exclude all sysv runlevel link stuff
  for i in ${D_RCDIRS} ${D_INITBOOTD} ; do
    echo "*$i/*" >>/tmp/etc.exclude
  done
  # add list of files to be excluded and common excludes to the filter list
  echo -e "-\ndhcp*\n*~\n*.old\n*-\nxorg.conf*" >>/tmp/etc.exclude
  # if ld.so.cache is to be generated then do not copy the file
  [ -n "${ldsc}" ] && echo -e "ld.so.cache*" >>/tmp/etc.exclude
  # for tar exclude lists might be used, more difficult for cp
  cd /mnt
  tar -X /tmp/etc.exclude -cp etc/*|tar -xp -C ${rwdir} 2>/dev/null
  cd /
  mount -n --bind ${rwdir}/etc /mnt/etc
  mount -n --bind ${rwdir}/var /mnt/var
  # get the "covered" mounts back into filesystem structure
  for path in ${list}; do
    mount -n --move /root/$path /mnt/$path #>>$LOGFILE 2>&1
  done
  #rm -rf /root/* >/dev/null 2>&1
  # run some specific stuff !?
fi

runinithook '50-have-layered-fs'

# generate a set of default directories
. /etc/openslx.conf
for dir in $OPENSLX_DEFAULT_LOGDIR $OPENSLX_DEFAULT_BINDIR \
           $OPENSLX_DEFAULT_LIBDIR $OPENSLX_DEFAULT_VIRTDIR; do
  testmkd /mnt/$dir
done
chmod -R 1777 /mnt/${OPENSLX_DEFAULT_LOGDIR}

# script for stuff to execute during early bootup
d_mkrlscript init boot.slx "Running configuration postponed from InitRamFS"
echo "fs complete at $(sysup)" >/tmp/fscmpl
# runtimer
[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] && \
  echo "** Filesystem setup completed at $(sysup)"

# write debug file information after filesystem setup completed
echo -e "# /etc${D_SYSCONFDIR}/logfile - file created by $0 (initramfs \
from $date)\n#\n# logfile \
for linux diskless client specific debugging output\nLOGFILE=\"$LOGFILE\"\n#\
\n# debug level\nDEBUGLEVEL=\"$DEBUGLEVEL\"" \
  > /mnt/etc/${D_SYSCONFDIR}/logfile || error "$init_errlog"

# run distribution independent and dependent configuration of files and
# services (offer debug shell in runlevel 22)
if [ ${DEBUGLEVEL} = 22 ] ; then
  /bin/sh
else
  servconfig &
fi

for path in @@@COMDIRINDXS@@@ ${D_DIRINDXS} ${D_DIRINBINDMNT} ; do
  testmkd /mnt/${path}
done
# Needed writable subdirs nested in readonly subdirs of writable one
for path in ${D_RWDIRSINRO}; do
  mount -n -t tmpfs none /mnt/${path}
done
for i in /var/run/utmp /var/log/wtmp /var/log/lastlog /etc/mtab ; do
  echo -n > /mnt/$i
done
chown 65534:0 /mnt/var/lib/nobody
# /proc/bus/usb might be deprecated in newer kernels ...
echo -e "# /etc/fstab - file generated by $0 (initramfs from $date)\n#\
\tOpenSLX Project, info@openslx.com\n\nrootfs\t\t/\t\trootfs\t\tro\t\t 0 0\n\
proc\t\t/proc\t\tproc\t\tdefaults\t 0 0\ninitramdevs\t/dev\t\ttmpfs\
\t\trw\t\t 0 0\ndevpts\t\t/dev/pts\tdevpts\t\tmode=0620,gid=5\t 0 0" \
  >/mnt/etc/fstab || error "$init_fstab"
echo -e "rootfs / rootfs rw 0 0\ninitramdevs /dev tmpfs rw\
 0 0" > /mnt/etc/mtab

# copy library cache if generated
if [ -n "${ldsc}" ] ; then
  # creating library cache takes a while ...
  if waitfor /tmp/ldcfg 50000 ; then
    test -s /mnt/tmp/ld.so.cache && \
      mv /mnt/tmp/ld.so.cache /mnt/etc/ld.so.cache
  else
    error "$init_errldcfg"
  fi
else
  [ $DEBUGLEVEL -gt 2 ] && error "$init_infldcfg" nonfatal
fi

runinithook '60-have-servconfig'

# wait a while for hardware setup to complete and start cleanup procedure
[ $DEBUGLEVEL -gt 1 ] && echo "Waiting for hwautocfg to finish ..."
waitfor /tmp/hwcfg 20000 || error "$init_errhw"
hwautocfg finish &

# wait a while for services setup to complete
[ $DEBUGLEVEL -gt 1 ] && echo "Waiting for servconfig to finish ..."
waitfor /tmp/svcfg 10000 || error "$init_errsw"
# IP configuration is complete and should not be updated automatically
killall -9 udhcpc 2>/dev/null

# if uniondirs is not set yet, maybe the unions were given via initramfs-setup
if [ -z "$uniondirs" ]; then
  if [ "$union_type" == "AUFS" ]; then
    # does it contain "://"?
    if [ "$aufs" != "${aufs#*://}" ]; then
      uniondirs="$aufs"
    fi
  elif [ "$union_type" == "UnionFS" ]; then
    # does it contain "://"?
    if [ "$unionfs" != "${unionfs#*://}" ]; then
      uniondirs="$unionfs"
    fi
  fi
fi
# if locations are given that should be unioned with the fs root, do it
if [ -n "$uniondirs" ]; then
  include_in_fsroot_union "$union_type" "$uniondirs"
fi

runinithook '70-before-plugins'

# ddcinfo temporary overwrite (with kernel cmdline ddcinfo=1)
if [ "${ddcinfo}" = "1" -a -f /initramfs/plugin-conf/xserver.conf ]; then
  echo 'xserver_ddcinfo="1"' >> /initramfs/plugin-conf/xserver.conf
fi

# runtimer
[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] && \
  echo "** Plugin configuration started at $(sysup)"

# check for any plugin-specific runlevel scripts and run them, if found:
if [ ${DEBUGLEVEL} = 25 ] ; then
  /bin/sh
else
  if [ -d /etc/plugin-init.d ]; then
    for plugin_starter in /etc/plugin-init.d/*.sh; do
      if [ -e $plugin_starter ]; then
        [ $DEBUGLEVEL -gt 0 ] \
          && echo -n "Running plugin starter $plugin_starter ..."
        [ $DEBUGLEVEL -eq 15 ] \
          && sed '/^#!/ a\\set -x' -i $plugin_starter
          init-wrapper $plugin_starter >>/tmp/plugin_starter 2>&1
          if [ $? -eq 0 ]; then
            [ $DEBUGLEVEL -gt 0 ] \
            && echo " ok"
          else
            [ $DEBUGLEVEL -gt 0 ] \
            && echo " failed"
          fi
      fi
    done
    # load variables defined by plugins to current environment
    [ -f /tmp/env/wrapper.env ] && . /tmp/env/wrapper.env
  fi
fi

runinithook '80-after-plugins'

# runtimer
[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] && \
  echo "** Plugin configuration finished at $(sysup)"

# create links for initial stage4 boot scripts
initial_boot

runinithook '85-have-initial-boot'

# post init for some distro specific stuff to run
postinit
# general postinit.local configurable by the admin via openslx/config/<system>
[ -f /initramfs/postinit.local ] && {
  [ $DEBUGLEVEL -gt 0 ] && \
    echo -n "Running script /bin/postinit.local ... "
  chmod u+x /initramfs/postinit.local
  /initramfs/postinit.local
  [ $DEBUGLEVEL -gt 0 ] && echo "ok"; }

# start a debug shell in higher debug levels
[ $DEBUGLEVEL -gt 2 -a $DEBUGLEVEL != 8 ] \
  && echo "DEBUGLEVEL>2: starting debug-shell, exit with CTRL+D" && /bin/sh

runinithook '90-postinit-done'

# unmount the bind mounted modules, firmware directories and nfs /tmp/scratch
# (if present)
export ticks
for ticks in 0 1 2 5 10 20 30; do
  sleep $ticks && umount -n /lib/modules 2>/dev/null && break
  error "$init_wait" nonfatal
done
for ticks in 0 1 2 5 10 20 30; do
  sleep $ticks && umount -n /lib/firmware 2>/dev/null && break
  error "$init_wait" nonfatal
done
mount 2>/dev/null | grep -q "/tmp/scratch type nfs" && \
  for ticks in 0 1 2 5 10 20 30; do
    sleep $ticks && umount -n /tmp/scratch 2>/dev/null && break
  done

mount 2>/dev/null | grep -q /lib/modules && error "$init_errumnt"
# close runlevel script for stuff to execute during early bootup
d_mkrlscript close boot.slx ""
# put /tmp into stage4 mtab and add stuff to stage4 fstab
sed -n "s,/mnt,,;/\/tmp /p" /proc/mounts >> /mnt/etc/mtab
[ -f /tmp/fstab ] && cat /tmp/fstab >> /mnt/etc/fstab
# preparations to leave initramfs - umounting ...
umount -n /sys || error "$init_errsys" nonfatal
umount -n /proc/bus/usb >/dev/null 2>&1
chmod 1777 /dev/shm /mnt/tmp 2>/dev/null

runinithook '95-cleanup'

# kill hwautocfg, servconfig, hwinfo, syslogd, etc.
killall -9 hwautocfg servconfig debugshell hwinfo syslogd logread 2>/dev/null

# runtimer
[ $DEBUGLEVEL -eq 8 -o $DEBUGLEVEL -eq 20 ] && \
  echo "** SLX init ended near $(sysup)"
# kill the watchdog (autopoweroff, if stage3 init never finishes)
[ -f /tmp/watchdogpid ] && kill $(cat /tmp/watchdogpid) 2>/dev/null
# stop logging services if required and move logfile into stage4 filesystem
# (if exists)
killall klogd 2>/dev/null
[ -f /var/log/slx-boot.log ] && mv /var/log/slx-boot.log \
  /mnt/var/log/slx-s3boot.log
[ -f /var/log/messages ] && cp /var/log/messages \
  /mnt/var/log/slx_messages 2>/dev/null
# if no syslog plugin was configured, start the daemon again writing to no
# logfile directly (useless fake test as placeholder) 
# THIS IS NOT WORKING SOMEHOW!!
#[ ! -d /mnt/opt/openslx/plugin-repo/syslog/ ] && syslogd -O /mnt/var/log/testfile

# move /dev and unmount /proc and unset all old, unneeded environment
# variables
mount -n --move /dev /mnt/dev
umount -n /proc
unset client debug date initrd ip bldroot macaddr nwif nfsroot rootfs ticks \
  vci vga
unset BOOT_IMAGE KCMDLINE KERNEL MODPRV NWMODULES OLDPWD UDEVD_EVENT_TIMEOUT \
  SLXVERSION UDEVD_EXPECTED_SEQNUM PATH

runinithook '99-handing-over'

# new style of pivoting (switch_root or run-init)
exec /sbin/switch_root -c dev/console /mnt /sbin/init $DEBUG_UPSTART || \
  error "$init_runinit"