summaryrefslogtreecommitdiffstats
path: root/bin/g-i-installation.sh
blob: 94bb8819e854d2098d24fcc98a21b7657dc5252f (plain)
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
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
#!/bin/bash

# Copyright 2012-2015 Holger Levsen <holger@layer-acht.org>
# released under the GPLv=2

DEBUG=false
. /srv/jenkins/bin/common-functions.sh
common_init "$@"

# $1 = disksize in GB
# $2 = wget url/jigdo url
# $3 = d-i lang setting (default is 'en')
# $4 = d-i locale setting (default is 'en_us')

if [ "$1" = "" ] || [ "$2" = "" ] ; then
	echo "need two params"
	echo '# $1 = disksize in GB'
	echo '# $2 = wget url/jigdo url'
	exit 1
fi

#
# init
#
DISPLAY=localhost:$EXECUTOR_NUMBER
NAME=$(echo $JOB_NAME | cut -d "_" -f2-)
VG=jenkins01
LV=/dev/${VG}/$NAME
DISKSIZE_IN_GB=$1
URL=$2
# $3 and $4 are used below for language setting
RAMSIZE=1024
if [ "$(basename $URL)" = "netboot.tar.gz" ] ; then
	# URL is for a PXE netboot installer, rather than a CD .iso
	NETBOOT=$(pwd)/$(basename $URL)
elif [ "$(basename $URL)" != "amd64" ] ; then
	IMAGE=$(pwd)/$(basename $URL)
	IMAGE_MNT="/media/cd-$NAME.iso"
else
	KERNEL=linux
	INITRD=initrd.gz
fi

echo "Testing $NAME with $URL"
echo

#
# define workspace + results
#
rm -rf results screenshot.png screenshot-thumb.png
mkdir -p results
if [ -z "$WORKSPACE" ] ; then
	WORKSPACE=$(pwd)
fi
RESULTS=$WORKSPACE/results
mkdir -p $RESULTS
GOCR=$(mktemp)

#
# set main counter
#
NR=0

#
# language
#
if [ -z "$3" ] || [ -z "$4" ] ; then
	DI_LANG="en"
	DI_LOCALE="en_US"
else
	DI_LANG=$3
	DI_LOCALE=$4
fi

#
# video
#
VIDEOSIZE=1024x768
VIDEOBGCOLOR=gray10
FRAMERATE=24		# this is the input framerate
CONVERTOPTS="-gravity center -background $VIDEOBGCOLOR -extent $VIDEOSIZE"

#
# Debian Edu -test images usually show a screen with known problems
# if in EDUTESTMODE we'll acknowledge these
#
EDUTESTMODE=false
if [[ "$NAME" =~ ^debian-edu_.*-test.*$ ]] ; then
	EDUTESTMODE=true
fi

fetch_if_newer() {
	url="$2"
	file="$1"
	echo "Downloading $url"
	curlopts="-L -s -S"
	if [ -f "$file" ] ; then
		ls -l $file
		echo "File exists, will only re-download if a newer one is available..."
		curlopts="$curlopts -z $file"
	fi
	curl $curlopts -o $file $url
}

cleanup_all() {
	set +x
	set +e
	echo
	#
	# kill qemu
	#
	# use SIGINT for 10 seconds to encourage graceful shutdown
	for i in $(seq 1 10); do
		QEMU_PID=$(ps fax | grep [q]emu-system | grep "vnc=$DISPLAY " 2>/dev/null | awk '{print $1}')
		[ -z "$QEMU_PID" ] && break
		sudo kill -INT $QEMU_PID
		sleep 1
	done
	# force exit with SIGKILL if still running now
	QEMU_PID=$(ps fax | grep [q]emu-system | grep "vnc=$DISPLAY " 2>/dev/null | awk '{print $1}')
	[ -z "$QEMU_PID" ] || sudo kill -KILL $QEMU_PID
	sleep 0.3s
	#
	# save logs if there are any
	#
	case $NAME in
		*_rescue*|*_presentation)	;;
		*)		if [ $NR -gt 200 ] ; then
					save_logs
				else
					echo "Not trying to get logs."
				fi
				;;
	esac
	#
	# remove lvm volume
	#
	case $NAME in
	#	*jessie_main-server)	echo "Warning: not deleting lvm volume $LV"
	#				;;
		*) 	sudo lvremove -f $LV
		;;
	esac
	rm -f $QEMU_LAUNCHER
	#
	# cleanup image mount
	#
	( sudo umount -l $IMAGE_MNT && rmdir $IMAGE_MNT ) 2> /dev/null &
	cd $RESULTS
	echo -n "Last screenshot: "
	(ls -t1 snapshot_??????.png || true ) | tail -1
	#
	# create video
	#
	echo "$(date) - Creating video now. This may take a while.'"
	TMPFILE=$(mktemp)
	avconv -r $FRAMERATE -i snapshot_%06d.png g-i-installation-$NAME.webm > $TMPFILE 2>&1 || cat $TMPFILE
	rm snapshot_??????.png $TMPFILE
	# rename .bak files back to .png
	if find . -name "*.png.bak" > /dev/null ; then
		for i in $(find * -name "*.png.bak") ; do
			mv $i $(echo $i | sed -s 's#.png.bak#.png#')
		done
	fi
	echo
	# finally
	if [ -f "$GOCR" ] ; then
		echo "Results of running /usr/bin/gocr on last screenshot:"
		echo
		cat $GOCR
		echo
	fi
}

show_preseed() {
	qemu_url="$1"
	jenkins_url="$(echo $qemu_url|sed -s 's#10\.0\.2\.1#127.0.0.1#g')"
	outside_url="$(echo $qemu_url|sed -s 's#10\.0\.2\.1#jenkins.debian.net#g')"
	echo "Preseeding from $outside_url:"
	echo
	curl -s "$jenkins_url" | grep -v ^# | grep -v "^$"
}

bootstrap_system() {
	cd $WORKSPACE
	echo "Creating throw-away logical volume with ${DISKSIZE_IN_GB} GiB now."
	# the --virtualsize option will not be needed once wheezy is not tested anymore
	sudo lvcreate --virtualsize ${DISKSIZE_IN_GB}G -L${DISKSIZE_IN_GB}G -n $NAME $VG
	echo "Creating raw disk image with ${DISKSIZE_IN_GB} GiB now."
	sudo qemu-img create -f raw $LV ${DISKSIZE_IN_GB}G
	echo "Doing g-i installation test for $NAME now."
	# qemu related variables (incl kernel+initrd) - display first, as we grep for this in the process list
	QEMU_OPTS="-display vnc=$DISPLAY -enable-kvm -cpu host"
	QEMU_WEBSERVER=http://10.0.2.1/
	QEMU_NET_OPTS="-net nic,vlan=0 -net user,vlan=0,host=10.0.2.1,dhcpstart=10.0.2.2,dns=10.0.2.254"
	# preseeding related variables
	PRESEEDCFG="preseed.cfg"
	PRESEED_PATH=d-i-preseed-cfgs
	PRESEED_URL="$QEMU_WEBSERVER/$PRESEED_PATH/${NAME}_$PRESEEDCFG"
	#
	# boot configuration
	#
	if [ -n "$NETBOOT" ]; then
		ARCH="$(ls debian-installer/)"
		GRUB_CFG="debian-installer/$ARCH/grub.cfg"
		case $NAME in
			*_kfreebsd*)	# boot the fourth menu option (Automated Install) after 3 seconds
					sed -i 's#^set default=.*#set default=3#' $GRUB_CFG
					sed -i 's#^set timeout=.*#set timeout=2#' $GRUB_CFG
					# prepend additional options
					OPTION="preseed/url" ; VALUE="$PRESEED_URL"
					sed -i "s#kfreebsd .*#set kFreeBSD.$OPTION='$VALUE'\n	\\0#" $GRUB_CFG
					# redirect d-i syslog to virtual serial port
					OPTION="preseed/early_command" ; VALUE="sed -ie s/ttyv3/cuau0/ /etc/inittab ; kill -HUP 1"
					sed -i "s#kfreebsd .*#set kFreeBSD.$OPTION='$VALUE'\n	\\0#" $GRUB_CFG
					# enable kernel logging to virtual serial port
					KERNEL_FLAGS="-D"
					sed -i "s#kfreebsd .*#\0 $KERNEL_FLAGS#" $GRUB_CFG
					;;
			*)		;;
		esac
		QEMU_NET_OPTS="$QEMU_NET_OPTS,bootfile=grub2pxe,tftp=."
	elif [ -n "$IMAGE" ] ; then
		QEMU_OPTS="$QEMU_OPTS -cdrom $IMAGE -boot d"
	        case $NAME in
			*_kfreebsd*)	;;
			*_hurd*)	QEMU_OPTS="$QEMU_OPTS -vga std"
					gzip -cd $IMAGE_MNT/boot/kernel/gnumach.gz > $WORKSPACE/gnumach
					;;
			*)		QEMU_OPTS="$QEMU_OPTS -vga std" # try to workaround lp#1318119
					QEMU_KERNEL="--kernel $IMAGE_MNT/install.amd/vmlinuz --initrd $IMAGE_MNT/install.amd/gtk/initrd.gz"
					;;
		esac
	else
		QEMU_KERNEL="--kernel $KERNEL --initrd $INITRD"
	fi
	QEMU_OPTS="$QEMU_OPTS -drive file=$LV,index=0,media=disk,cache=unsafe -serial file:$RESULTS/serial.log -m $RAMSIZE $QEMU_NET_OPTS"
	INST_LOCALE="locale=$DI_LOCALE"
	INST_KEYMAP="keymap=us"	# always us!
	INST_VIDEO="video=vesa:ywrap,mtrr vga=788"
	EXTRA_APPEND=""
	case $NAME in
		*_sid_daily*)
			EXTRA_APPEND="mirror/suite=sid"
			;;
		*)	;;
	esac
	case $NAME in
		debian_*_xfce)
			EXTRA_APPEND="$EXTRA_APPEND desktop=xfce"
			;;
		debian_*_lxde)
			EXTRA_APPEND="$EXTRA_APPEND desktop=lxde"
			;;
		debian_*_kde)
			EXTRA_APPEND="$EXTRA_APPEND desktop=kde"
			;;
		debian_*_rescue*)
			EXTRA_APPEND="$EXTRA_APPEND rescue/enable=true"
			;;
		debian-edu_*ltsp-server|debian-edu_*combi-server)
			QEMU_OPTS="$QEMU_OPTS -net nic,vlan=1 -net user,vlan=1"
			EXTRA_APPEND="$EXTRA_APPEND netcfg/choose_interface=auto"
			;;
		*)	;;
	esac
	case $NAME in
		*_dark_theme)
			EXTRA_APPEND="$EXTRA_APPEND theme=dark"
			;;
		debian-edu_*_gnome)
			EXTRA_APPEND="$EXTRA_APPEND desktop=gnome"
			GUITERMINAL=xterm
			;;
		debian-edu_*_lxde)
			EXTRA_APPEND="$EXTRA_APPEND desktop=lxde"
			GUITERMINAL=xterm
			;;
		debian-edu_*_xfce)
			EXTRA_APPEND="$EXTRA_APPEND desktop=xfce"
			GUITERMINAL=xterm
			;;
		debian-edu_*)
			EXTRA_APPEND="$EXTRA_APPEND desktop=kde"
			GUITERMINAL=konsole
			;;
		*)	;;
	esac
	case $NAME in
		debian-edu_*)
			EXTRA_APPEND="$EXTRA_APPEND DEBCONF_DEBUG=developer"
			;;
		*_brltty)
			EXTRA_APPEND="$EXTRA_APPEND brltty=tt,ttyS0,en"
			;;
		*_speakup)
			EXTRA_APPEND="$EXTRA_APPEND speakup.synth=soft"
			QEMU_OPTS="$QEMU_OPTS -soundhw ac97"
			;;
		*_presentation)
			EXTRA_APPEND="$EXTRA_APPEND url=hands.com classes=jenkins.debian.org;talks/fosdem07"
			;;
		*)
		;;
	esac
	case $NAME in
	    debian-edu_*)
		# Debian Edu and tasksel do not work the expected way
		# with priority=critical, so do not set it.
		;;
	    *)
		EXTRA_APPEND="$EXTRA_APPEND priority=critical"
		;;
	esac
	case $NAME in
		*_presentation)
			APPEND="auto=true $EXTRA_APPEND $INST_LOCALE $INST_KEYMAP $INST_VIDEO -- quiet"
			;;
		*)
			APPEND="auto=true $EXTRA_APPEND $INST_LOCALE $INST_KEYMAP url=$PRESEED_URL $INST_VIDEO -- quiet"
			;;
	esac
	show_preseed $QEMU_WEBSERVER/$PRESEED_PATH/${NAME}_$PRESEEDCFG
	echo
	echo "Starting QEMU now:"
	QEMU_LAUNCHER=$(mktemp)
	echo "cd $WORKSPACE" > $QEMU_LAUNCHER
	echo -n "sudo qemu-system-x86_64 $QEMU_OPTS " >> $QEMU_LAUNCHER
	if [ -n "$QEMU_KERNEL" ]; then
		echo -n "$QEMU_KERNEL " >> $QEMU_LAUNCHER
	else
	        case $NAME in
			*_kfreebsd)	;;
			*_hurd*)	# Hurd needs multiboot options jenkins can't escape correctly
					echo -n '--kernel '$WORKSPACE'/gnumach --initrd "'$IMAGE_MNT'/boot/initrd.gz \$(ramdisk-create),'$IMAGE_MNT'/boot/kernel/ext2fs.static --multiboot-command-line=\${kernel-command-line} --host-priv-port=\${host-port} --device-master-port=\${device-port} --exec-server-task=\${exec-task} -T typed gunzip:device:rd0 \$(task-create) \$(task-resume),'$IMAGE_MNT'/boot/kernel/ld.so.1 /hurd/exec \$(exec-task=task-create)" ' >> $QEMU_LAUNCHER
					APPEND="console=com0 $APPEND"
					;;
			*)		;;
		esac
	fi
	case $NAME in
		*_kfreebsd)	# not supported for the --append option
				;;
		*)		echo "--append \"$APPEND\"" >> $QEMU_LAUNCHER
				;;
	esac
	set -x
	(bash -x $QEMU_LAUNCHER && touch $RESULTS/qemu_quit ) &
	set +x
}

boot_system() {
	cd $WORKSPACE
	echo "Booting system installed with g-i installation test for $NAME."
	# qemu related variables (incl kernel+initrd) - display first, as we grep for this in the process list
	QEMU_OPTS="-display vnc=$DISPLAY"
	case $NAME in
		# nested KVM runs gnumach horribly slowly
		*_hurd*)	;;
		*)		QEMU_OPTS="$QEMU_OPTS -enable-kvm -cpu host" ;;
	esac
	echo "Checking $LV:"
	FILE=$(sudo file -Ls $LV)
	if [ $(echo $FILE | grep -E '(x86 boot sector|DOS/MBR boot sector)' | wc -l) -eq 0 ] ; then
		echo "ERROR: no x86 boot sector found in $LV - its filetype is $FILE."
		exit 1
	fi
	QEMU_OPTS="$QEMU_OPTS -drive file=$LV,index=0,media=disk,cache=unsafe -m $RAMSIZE"
	QEMU_OPTS="$QEMU_OPTS -net nic,vlan=0 -net user,vlan=0,host=10.0.2.1,dhcpstart=10.0.2.2,dns=10.0.2.254"
	case $NAME in
		debian-edu_*ltsp-server|debian-edu_*combi-server)
				QEMU_OPTS="$QEMU_OPTS -net nic,vlan=1 -net user,vlan=1"
				;;
		*)
				;;
	esac
	echo
	echo "Starting QEMU_ now:"
	set -x
	(sudo qemu-system-x86_64 \
		$QEMU_OPTS && touch $RESULTS/qemu_quit ) &
	set +x
}

backup_screenshot() {
	# after createing the video all .png files are deleted, so we make sure to keep them...
	cp snapshot_${PRINTF_NR}.png snapshot_${PRINTF_NR}.png.bak
}

publish_screenshot() {
	# make screenshots available for the live screenshot plugin
	ln -f $PWD/snapshot_${PRINTF_NR}.png $WORKSPACE/screenshot.png
	convert $WORKSPACE/screenshot.png -adaptive-resize 128x96 $WORKSPACE/screenshot-thumb.new
}

do_and_report() {
	echo "$(date) $PRINTF_NR / $TOKEN - sending '$@'"
	# Workaround #758881: vncdo type command sending "e" chars sometimes not
	# received, sometimes received as if "e" key was kept pressed.
	if [ "$1" = "type" ]; then
		typestr=$2
		for i in $(seq 0 $(( ${#typestr} - 1 ))); do
			vncdo -s $DISPLAY --delay=100 key ${typestr:$i:1}
		done
	else
		vncdo -s $DISPLAY "$@"
	fi
	backup_screenshot
	publish_screenshot
}

rescue_boot() {
	# boot in rescue mode
	let MY_NR=NR-TRIGGER_NR
	TOKEN=$(printf "%04d" $MY_NR)
	case $TOKEN in
		0010)	do_and_report key tab
			;;
		0020)	do_and_report key enter
			;;
		0100)	do_and_report key tab
			;;
		0110)	do_and_report key enter
			;;
		0150)	do_and_report type df
			;;
		0160)	do_and_report key enter
			;;
		0170)	do_and_report type exit
			;;
		0200)	do_and_report key enter
			;;
		0210)	do_and_report key down
			;;
		0220)	do_and_report key enter
			;;
		*)	;;
	esac
}

presentation_boot() {
	# boot in presentation mode
	let MY_NR=NR-TRIGGER_NR
	TOKEN=$(printf "%04d" $MY_NR)
	case $TOKEN in
		[01][123456789]00)	do_and_report key enter
			;;
		*)	;;
	esac
}

post_install_boot() {
	# normal boot after installation
	let MY_NR=NR-TRIGGER_NR
	TOKEN=$(printf "%04d" $MY_NR)
	#
	# login as jenkins or root
	#
	case $NAME in
		debian_*)	case $TOKEN in
					0050)	do_and_report type jenkins
						;;
					0060)	do_and_report key enter
						;;
					0070)	do_and_report type insecure
						;;
					0080)	do_and_report key enter
						;;
					*)	;;
				esac
				;;
				# debian-edu installations differ too much, login individually
				*)	;;
	esac
	#
	# actions depending on the type of installation
	#
	case $NAME in
		debian_*xfce)	case $TOKEN in
					0200)	do_and_report key enter
						;;
					0210)	do_and_report key alt-f2
						;;
					0220)	do_and_report type "iceweasel"
						;;
					0230)	do_and_report key space
						;;
					0240)	do_and_report type "www"
						;;
					0250)	do_and_report type "."
						;;
					0260)	do_and_report type "debian"
						;;
					0270)	do_and_report type "."
						;;
					0280)	do_and_report type "org"
						;;
					0290)	do_and_report key enter
						;;
					0400)	do_and_report key alt-f2
						;;
					0410)	do_and_report type xterm
						;;
					0420)	do_and_report key enter
						;;
					0430)	do_and_report type apt-get
						;;
					0440)	do_and_report key space
						;;
					0450)	do_and_report type moo
						;;
					0500)	do_and_report key enter
						;;
					0510)	do_and_report type "su"
						;;
					0520)	do_and_report key enter
						;;
					0530)	do_and_report type r00tme
						;;
					0540)	do_and_report key enter
						;;
					0550)	do_and_report type "poweroff"
						;;
					0560)	do_and_report key enter
						;;
					*)	;;
				esac
				;;
		debian_*lxde)	case $TOKEN in
					0200)	do_and_report key alt-f2
						;;
					0220)	do_and_report type "iceweasel"
						;;
					0230)	do_and_report key space
						;;
					0240)	do_and_report type "www"
						;;
					0250)	do_and_report type "."
						;;
					0260)	do_and_report type "debian"
						;;
					0270)	do_and_report type "."
						;;
					0280)	do_and_report type "org"
						;;
					0290)	do_and_report key enter
						;;
					0400)	do_and_report key alt-f2
						;;
					0410)	do_and_report type lxterminal
						;;
					0420)	do_and_report key enter
						;;
					0430)	do_and_report type apt-get
						;;
					0440)	do_and_report key space
						;;
					0450)	do_and_report type moo
						;;
					0520)	do_and_report key enter
						;;
					0530)	do_and_report type "su"
						;;
					0540)	do_and_report key enter
						;;
					0550)	do_and_report type r00tme
						;;
					0560)	do_and_report key enter
						;;
					0570)	do_and_report type "poweroff"
						;;
					0580)	do_and_report key enter
						;;
					*)	;;
				esac
				;;
		debian_*kde)	case $TOKEN in
					0300)	do_and_report key tab
						;;
					0310)	do_and_report key enter
						;;
					0400)	do_and_report key alt-f2
						;;
					0410)	do_and_report type "konqueror"
						;;
					0420)	do_and_report key space
						;;
					0430)	do_and_report type "www"
						;;
					0440)	do_and_report type "."
						;;
					0450)	do_and_report type "debian"
						;;
					0460)	do_and_report type "."
						;;
					0470)	do_and_report type "org"
						;;
					0480)	do_and_report key enter
						;;
					0600)	do_and_report key alt-f2
						;;
					0610)	do_and_report type konsole
						;;
					0620)	do_and_report key enter
						;;
					0700)	do_and_report type apt-get
						;;
					0710)	do_and_report key space
						;;
					0720)	do_and_report type moo
						;;
					0730)	do_and_report key enter
						;;
					0740)	do_and_report type "su"
						;;
					0750)	do_and_report key enter
						;;
					0760)	do_and_report type r00tme
						;;
					0770)	do_and_report key enter
						;;
					0780)	do_and_report type "poweroff"
						;;
					0790)	do_and_report key enter
						;;
					*)	;;
				esac
				;;
		debian_*gnome*)	case $TOKEN in
					0150)	do_and_report move 530 420 click 1
						;;
					0200)	do_and_report key alt-f2
						;;
					0210)	do_and_report type "iceweasel"
						;;
					0230)	do_and_report key space
						;;
					0240)	do_and_report type "www"
						;;
					0250)	do_and_report type "."
						;;
					0260)	do_and_report type "debian"
						;;
					0270)	do_and_report type "."
						;;
					0280)	do_and_report type "org"
						;;
					0290)	do_and_report key enter
						;;
					0400)	do_and_report key alt-f2
						;;
					0410)	do_and_report type gnome
						;;
					0420)	do_and_report type "-"
						;;
					0430)	do_and_report type terminal
						;;
					0440)	do_and_report key enter
						;;
					0450)	do_and_report type apt-get
						;;
					0460)	do_and_report key space
						;;
					0470)	do_and_report type moo
						;;
					0520)	do_and_report key enter
						;;
					0530)	do_and_report type "su"
						;;
					0540)	do_and_report key enter
						;;
					0550)	do_and_report type r00tme
						;;
					0560)	do_and_report key enter
						;;
					0570)	do_and_report type "poweroff"
						;;
					0580)	do_and_report key enter
						;;
					*)	;;
				esac
				;;
		debian-edu*minimal)	case $TOKEN in
						# debian-edu installations report error found during installation, go forward in text mode
						0180)	! $EDUTESTMODE || do_and_report key tab
							;;
						0220)	! $EDUTESTMODE || do_and_report key enter
							;;
						0250)	do_and_report type jenkins
							;;
						0260)	do_and_report key enter
							;;
						0270)	do_and_report type insecure
							;;
						0280)	do_and_report key enter
							;;
						0300)	do_and_report type ps
							;;
						0310)	do_and_report key space
							;;
						0320)	do_and_report type fax
							;;
						0330)	do_and_report key enter
							;;
						0340)	do_and_report type df
							;;
						0350)	do_and_report key enter
							;;
						0360)	do_and_report type apt-get
							;;
						0370)	do_and_report key space
							;;
						0380)	do_and_report type moo
							;;
						0400)	do_and_report key enter
							;;
						0420)	do_and_report type "su"
							;;
						0430)	do_and_report key enter
							;;
						0440)	do_and_report type r00tme
							;;
						0450)	do_and_report key enter
							;;
						0460)	do_and_report type poweroff
							;;
						0470)	do_and_report key enter
							;;
						*)	;;
					esac
					;;
		debian-edu*main-server)	case $TOKEN in
						# debian-edu installations report error found during installation, go forward, in text mode
						0200)	! $EDUTESTMODE || do_and_report key tab
							;;
						0250)	! $EDUTESTMODE || do_and_report key enter
							;;
						0350)	do_and_report type root
							;;
						0400)	do_and_report key enter
							;;
						0410)	do_and_report type r00tme
							;;
						0420)	do_and_report key enter
							;;
						0550)	do_and_report type ps
							;;
						0560)	do_and_report key space
							;;
						0570)	do_and_report type fax
							;;
						0580)	do_and_report key enter
							;;
						0590)	do_and_report type df
							;;
						0600)	do_and_report key enter
							;;
						0610)	do_and_report type apt-get 	# apt-get moo
							;;
						0620)	do_and_report key space
							;;
						0630)	do_and_report type moo
							;;
						0640)	do_and_report key enter
							;;
						0650)	do_and_report type ip
							;;
						0660)	do_and_report key space
							;;
						0670)	do_and_report type a
							;;
						0680)	do_and_report key enter
							;;
						0690)	do_and_report type ping
							;;
						0700)	do_and_report key space
							;;
						0710)	do_and_report type '-'
							;;
						0720)	do_and_report type 'c'
							;;
						0730)	do_and_report key space
							;;
						0740)	do_and_report type '2'
							;;
						0750)	do_and_report key space
							;;
						0760)	do_and_report type '8.8.8.8'
							;;
						0770)	do_and_report key enter
							;;
						0800)	do_and_report type route
							;;
						0810)	do_and_report key space
							;;
						0820)	do_and_report type '-'
							;;
						0830)	do_and_report type 'n'
							;;
						0840)	do_and_report key enter
							;;
						0850)	do_and_report type apt-get 	# apt-get install w3m
							;;
						0860)	do_and_report key space
							;;
						0870)	do_and_report type '-y'
							;;
						0880)	do_and_report key space
							;;
						0890)	do_and_report type install
							;;
						0900)	do_and_report key space
							;;
						0910)	do_and_report type w3m
							;;
						0920)	do_and_report key enter
							;;
						1000)	do_and_report type w3m 		# check nagios
							;;
						1010)	do_and_report key space
							;;
						1020)	do_and_report type 'https;'
							;;
						1030)	do_and_report type '//www'
							;;
						1040)	do_and_report type '/nagios'
							;;
						1050)	do_and_report key enter
							;;
						1090)	do_and_report type q
							;;
						1100)	do_and_report key enter
							;;
						1010)	do_and_report type w3m		# check cups
							;;
						1120)	do_and_report key space
							;;
						1130)	do_and_report type 'https;'
							;;
						1150)	do_and_report type '//www'
							;;
						1170)	do_and_report type ';631'
							;;
						1180)	do_and_report key enter
							;;
						1250)	do_and_report type q
							;;
						1270)	do_and_report key enter
							;;
						1330)	do_and_report type poweroff	# poweroff
							;;
						1340)	do_and_report key enter
							;;
						*)	;;
					esac
					;;
		debian-edu*-combi-server) case $TOKEN in
						# debian-edu installations report error found during installation, go forward
						0100)	! $EDUTESTMODE || do_and_report move 760 560 click 1
							;;
						0300)	do_and_report type jenkins
							;;
						0350)	do_and_report key enter
							;;
						0360)	do_and_report type insecure
							;;
						0370)	do_and_report key enter
							;;
						0400)	do_and_report key tab
							;;
						0410)	do_and_report key enter
							;;
						0500)	do_and_report key alt-f2
							;;
						0510)	do_and_report type "iceweasel"
							;;
						0520)	do_and_report key space
						       ;;
						0530)	do_and_report type "www"
						       ;;
						0540)	do_and_report type "."
						       ;;
						0550)	do_and_report type "debian"
						       ;;
						0560)	do_and_report type "."
						       ;;
						0570)	do_and_report type "org"
						       ;;
						0580)	do_and_report key enter
						       ;;
						0700)	do_and_report key alt-f2
						       ;;
						0710)	do_and_report type $GUITERMINAL
						       ;;
						0720)	do_and_report key enter
						       ;;
						0800)	do_and_report type apt-get
						       ;;
						0810)	do_and_report key space
						       ;;
						0820)	do_and_report type moo
						       ;;
						0830)	do_and_report key enter
						       ;;
						0840)	do_and_report type "su"
						       ;;
						0850)	do_and_report key enter
						       ;;
						0860)	do_and_report type r00tme
						       ;;
						0870)	do_and_report key enter
						       ;;
						0880)	do_and_report type "poweroff"
						       ;;
						0890)	do_and_report key enter
							;;
						*)	;;
					esac
					;;
		debian-edu*workstation)	case $TOKEN in
						# debian-edu installations report error found during installation, go forward
						0100)	! $EDUTESTMODE || do_and_report move 760 560 click 1
							;;
						0150)	do_and_report type jenkins
							;;
						0160)	do_and_report key enter
							;;
						0170)	do_and_report type insecure
							;;
						0180)	do_and_report key enter
							;;
						*)	;;
					esac
					;;
		debian-edu*standalone*)	case $TOKEN in
					# debian-edu installations report error found during installation, go forward
						0100)	! $EDUTESTMODE || do_and_report move 760 560 click 1
							;;
						0110)	do_and_report type jenkins
							;;
						0120)	do_and_report key enter
							;;
						0130)	do_and_report type insecure
							;;
						0140)	do_and_report key enter
							;;
						0200)	do_and_report key tab
							;;
						0300)	do_and_report key enter
							;;
						0350)	do_and_report key alt-f2
							;;
						0410)	do_and_report type "iceweasel"
							;;
						0420)	do_and_report key space
							;;
						0430)	do_and_report type "www"
							;;
						0440)	do_and_report type "."
							;;
						0450)	do_and_report type "debian"
							;;
						0460)	do_and_report type "."
							;;
						0470)	do_and_report type "org"
							;;
						0480)	do_and_report key enter
							;;
						0600)	do_and_report key alt-f2
							;;
						0610)	do_and_report type $GUITERMINAL
							;;
						0620)	do_and_report key enter
							;;
						0700)	do_and_report type apt-get
							;;
						0710)	do_and_report key space
							;;
						0720)	do_and_report type moo
							;;
						0730)	do_and_report key enter
							;;
						0740)	do_and_report type "su"
							;;
						0750)	do_and_report key enter
							;;
						0760)	do_and_report type r00tme
							;;
						0770)	do_and_report key enter
							;;
						0780)	do_and_report type "poweroff"
							;;
						0790)	do_and_report key enter
							;;
						*)	;;
					esac
					;;
		*)		;;
	esac
}


monitor_system() {
	MODE=$1
	# if TRIGGER_MODE is set to a number, triggered mode will be entered in that many steps - else an image match needs to happen
	TRIGGER_MODE=$2
	TRIGGER_NR=0
	# use default valule for timeout if none given
	if [ -z "$3" ] ; then
		TIMEOUT=600
	else
		TIMEOUT=$3
	fi
	if [ -z "$4" ] ; then
		PIXELDIFF=100
	else
		PIXELDIFF=$4
	fi
	cd $RESULTS
	sleep 4	# chosen by fair dice roll
	hourlimit=16 # hours
	echo "Taking screenshots every 2 seconds now, until qemu ends for whatever reasons or $hourlimit hours have passed or if the test seems to hang."
	echo
	timelimit=$(( $hourlimit * 60 * 60 / 2 ))
	let MAX_RUNS=NR+$timelimit
	while [ $NR -lt $MAX_RUNS ] ; do
		#
		# break if qemu-system has finished
		#
		if ! ps fax | grep [q]emu-system | grep vnc=$DISPLAY >/dev/null; then
			touch $RESULTS/qemu_quit
			break
		fi
		PRINTF_NR=$(printf "%06d" $NR)
		vncsnapshot -quiet -allowblank -compresslevel 0 $DISPLAY snapshot_${PRINTF_NR}.jpg 2>/dev/null || true
		if [ -f snapshot_${PRINTF_NR}.jpg ]; then
			convert $CONVERTOPTS snapshot_${PRINTF_NR}.jpg snapshot_${PRINTF_NR}.png
			rm snapshot_${PRINTF_NR}.jpg
		else
			echo "$(date) $PRINTF_NR          - could not take vncsnapshot from $DISPLAY - using a blank fake one instead"
			convert -size $VIDEOSIZE xc:#000000 -depth 8 snapshot_${PRINTF_NR}.png
		fi
		# every 100 ticks take a screenshot and analyse it
		if [ $(($NR % 100)) -eq 0 ] ; then
			# press ctrl-key regularily to avoid screensaver kicking in
			vncdo -s $DISPLAY key ctrl || true
			# publish it
			publish_screenshot
			#
			# search for known text using ocr of screenshot and break out of this loop if certain content is found
			#
			# gocr likes black background
			convert -fill black -opaque $VIDEOBGCOLOR snapshot_${PRINTF_NR}.png $GOCR.png
			gocr $GOCR.png > $GOCR
			LAST_LINE=$(tail -1 $GOCR |cut -d "]" -f2- || true)
			STACK_LINE=$(egrep "(Call Trace|end trace)" $GOCR || true)
			INVALID_SIG_LINE=$(grep "Invalid Release signature" $GOCR || true)
			CDROM_PROBLEM=$(grep "There was a problem reading data from the CD-ROM" $GOCR || true)
			INSTALL_PROBLEM=$(egrep "(nstallation step fail|he failing step i)"  $GOCR || true)
			ROOT_PROBLEM=$(egrep "(Giue root password for maintenance|or type Control-D to continue)"  $GOCR || true)
			BUILD_LTSP_PROBLEM=$(grep "The failing step is: Build LTSP chroot" $GOCR || true)
			echo >> $GOCR
			rm $GOCR.png
			if [[ "$LAST_LINE" =~ .*Power\ down.* ]] ||
			    [[ "$LAST_LINE" =~ .*System\ halted.* ]] ||
			    [[ "$LAST_LINE" =~ .*Reached\ target\ Shutdown.* ]] ||
			    [[ "$LAST_LINE" =~ .*Cannot\ .inalize\ remaining\ .ile\ systems.* ]]; then
				echo "QEMU was powered down." >> $GOCR
				break
			elif [ ! -z "$STACK_LINE" ] ; then
				echo "INFO: got a stack-trace, probably on power-down." >> $GOCR
				break
			elif [ ! -z "$INVALID_SIG_LINE" ] ; then
				echo "ERROR: Invalid Release signature found, aborting." >> $GOCR
				exit 1
			elif [ ! -z "$CDROM_PROBLEM" ] ; then
				echo "ERROR: Loading installer components from CDROM failed, aborting." >> $GOCR
				exit 1
			elif [ ! -z "$INSTALL_PROBLEM" ] ; then
				echo "ERROR: An installation step failed." >> $GOCR
				exit 1
			elif [ ! -z "$ROOT_PROBLEM" ] ; then
				echo "ERROR: System is hanging at boot and waiting for root maintenance." >> $GOCR
				exit 1
			elif [ ! -z "$BUILD_LTSP_PROBLEM" ] ; then
				echo "ERROR: The failing step is: Build LTSP chroot." >> $GOCR
				exit 1
			fi
		elif [ $(($NR % 30)) -eq 0 ] ; then
			# give signal we are still running
			echo "$(date) $PRINTF_NR / $TOKEN"
			publish_screenshot
		fi
		# in install mode, every 300 ticks preserve an screenshot as artefact
		if [ "$MODE" = "install" ] && [ $(($NR % 300)) -eq 0 ] ; then
			backup_screenshot
		fi
		# every 100 screenshots, starting from the $TIMEOUTth one...
		if [ $(($NR % 100)) -eq 0 ] && [ $NR -gt $TIMEOUT ] ; then
			# from help let: "Exit Status: If the last ARG evaluates to 0, let returns 1; let returns 0 otherwise."
			let OLD=NR-$TIMEOUT
			PRINTF_OLD=$(printf "%06d" $OLD)
			# test if this screenshot is basically the same as the one $TIMEOUT screenshots ago
			# $PIXELDIFF pixels difference between to images is tolerated, to ignore updating clocks
			PIXEL=$(compare -metric AE snapshot_${PRINTF_NR}.png snapshot_${PRINTF_OLD}.png /dev/null 2>&1 || true )
			# usually this returns an integer, but not always....
			if [[ "$PIXEL" =~ ^[0-9]+$ ]] ; then
				echo "$PIXEL pixel difference between snapshot_${PRINTF_NR}.png and snapshot_${PRINTF_OLD}.png"
				if [ $PIXEL -lt $PIXELDIFF ] ; then
				    SAME=Y
				    for INTER in $(seq $OLD 10 $NR); do
					PRINTF_INTER=$(printf "%06d" $INTER)
					PIXEL=$(compare -metric AE snapshot_${PRINTF_NR}.png snapshot_${PRINTF_INTER}.png /dev/null 2>&1 || true )
					if [[ "$PIXEL" =~ ^[0-9]+$ ]] ; then
						if [ $PIXEL -ge $PIXELDIFF ] ; then
							echo "but $PIXEL difference between snapshot_${PRINTF_NR}.png and snapshot_${PRINTF_INTER}.png"
							SAME=N
							break
						fi
					else
						echo "but snapshot_${PRINTF_NR}.png and snapshot_${PRINTF_INTER}.png have different sizes."
						SAME=N
						break
					fi
				    done
				    if [ $SAME = Y ]
				    then
					# unless TRIGGER_MODE is empty, matching images means its over
					if [ ! -z "$TRIGGER_MODE" ] ; then
						echo "Warning: snapshot_${PRINTF_NR}.png snapshot_${PRINTF_OLD}.png match or almost match, ending installation."
						ls -la snapshot_${PRINTF_NR}.png snapshot_${PRINTF_OLD}.png
						echo "System in $MODE mode is hanging."
						if [ "$MODE" = "install" ] ; then
							# hanging install = broken install
							backup_screenshot
							exit 1
						fi
						break
					else
						# this is only reached once in rescue mode
						# and the next matching screenshots will cause a failure...
						TRIGGER_MODE="already_matched"
						# really kick off trigger:
						let TRIGGER_NR=NR
					fi
				    fi
				fi
			else
				echo "snapshot_${PRINTF_NR}.png and snapshot_${PRINTF_OLD}.png have different sizes."
			fi
		fi
		# let's drive this further (once/if triggered)
		if [ $TRIGGER_NR -ne 0 ] && [ $TRIGGER_NR -ne $NR ] ; then
			case $MODE in
				rescue)		rescue_boot
						;;
				presentation)	presentation_boot
						;;
				post_install)	post_install_boot
						;;
				*)		;;
			esac
		fi
		# if TRIGGER_MODE matches NR, we are triggered too
		if [ ! -z "$TRIGGER_MODE" ] && [ "$TRIGGER_MODE" = "$NR" ] ; then
			let TRIGGER_NR=NR
		fi
		let NR=NR+1
		sleep 2
	done
	if [ $NR -eq $MAX_RUNS ] ; then
		echo "Warning: running for ${hourlimit}h, forcing termination."
	fi
	if [ -f "$RESULTS/qemu_quit" ] ; then
		rm $RESULTS/qemu_quit
	fi
	if [ ! -f snapshot_${PRINTF_NR}.png ] ; then
		let NR=NR-1
		PRINTF_NR=$(printf "%06d" $NR)
	fi
	backup_screenshot
	publish_screenshot
}

save_logs() {
	#
	# get logs and other files from the installed system
	#
	cd $WORKSPACE
	SYSTEM_MNT=/media/$NAME
	sudo mkdir -p $SYSTEM_MNT
	FAILURE=false
	# workaround problem in guestmount in wheezy: -o uid doesnt work:
	# "sudo guestmount -o uid=$(id -u) -o gid=$(id -g)" would be nicer, but it doesnt work: as root, the files seem to belong to jenkins, but as jenkins they cannot be accessed
	sudo guestmount -a $LV -i --ro $SYSTEM_MNT || { echo "Warning: cannot mount filesystems from $LV" ; export FAILURE=true ; }
	#
	# copy logs (and continue if some logs cannot be copied)
	#
	sudo cp -rv $SYSTEM_MNT/var/log $SYSTEM_MNT/etc/fstab $RESULTS/ || { echo "Warning: cannot get logs from installed system." ; echo "Did the installation finish correctly?" ; export FAILURE=true ; }
	#
	# get list of installed packages
	#
	case $NAME in
		*_kfreebsd*|*_hurd*)
			;;
		*)
			sudo chroot $SYSTEM_MNT dpkg -l > $RESULTS/dpkg-l || { echo "Warning: cannot run dpkg inside the installed system, did the installation finish correctly?" ; export FAILURE=true ; }
			#
			# check for must installed packages
			#
			case $NAME in
				*_brltty)
					grep brltty $RESULTS/dpkg-l || { echo "Warning: package brltty not installed." ; export FAILURE=true ; }
					;;
				*_speakup)
					grep espeakup $RESULTS/dpkg-l || { echo "Warning: package espeakup not installed." ; export FAILURE=true ; }
					;;
				*)
				;;
			esac
			;;
	esac

	#
	# only on combi-servers and ltsp-servers:
	#	mount /opt
	#	copy LTSP logs and package list
	#	unmount /opt
	#
	case $NAME in debian-edu_*ltsp-server|debian-edu_*combi-server)	mkdir -p $RESULTS/log/opt
						if [ -d $SYSTEM_MNT/opt/ltsp/amd64 ] ; then
							LTSPARCH="amd64"
						elif [ -d $SYSTEM_MNT/opt/ltsp/i386 ] ; then
							LTSPARCH="i386"
						else
							echo "Warning: no LTSP chroot found."
						fi
						if [ ! -z "$LTSPARCH" ] ; then
							sudo cp -rv $SYSTEM_MNT/opt/ltsp/$LTSPARCH/var/log $RESULTS/log/opt/
							sudo chroot $SYSTEM_MNT/opt/ltsp/$LTSPARCH dpkg -l > $RESULTS/log/opt/dpkg-l || { echo "Warning: cannot run dpkg inside the ltsp chroot." ; sudo ls -la $SYSTEM_MNT/opt/ltsp/$LTSPARCH ; export FAILURE=true ; }
						fi
						;;
		*)				;;
	esac
	#
	# umount guests (debian-edu uses many mountpoints...)
	#
	#for MP in var/log var/ usr/ boot/ opt/ home/ debianedufreespace/ skole/tjener/home0 var/opt/ltsp/swapfiles skole/backup/ var/spool/squid3/ ; do
	#	sudo umount -l $SYSTEM_MNT/$MP 2>/dev/null || true
	#done
	sudo umount -l $SYSTEM_MNT || { echo "Warning: cannot un-mount $SYSTEM_MNT" ; export FAILURE=true ; }
	#
	# make sure we can read everything after installation
	#
	sudo chown -R jenkins:jenkins $RESULTS/log/
	#
	# finally delete the mountpoint again
	#
	sudo rmdir $SYSTEM_MNT
	#
	# cry out lout, if...
	#
	if $FAILURE ; then
		figlet "failure"
	fi
}

trap cleanup_all INT TERM EXIT

#
# install image preparation
#
if [ ! -z "$NETBOOT" ] ; then
        #
        # if there is a netboot installer tarball...
        #
        fetch_if_newer "$NETBOOT" "$URL"
        # try to extract, otherwise abort
        sha256sum "$NETBOOT"
        tar -zxvf "$NETBOOT" || exit
elif [ ! -z "$IMAGE" ] ; then
	#
	# if there is a CD image...
	#
	fetch_if_newer "$IMAGE" "$URL"
	# is this really an .iso?
	if [ $(file "$IMAGE" | grep -cE '(ISO 9660|DOS/MBR boot sector)') -eq 1 ] ; then
		# yes, so let's md5sum and mount it
		md5sum $IMAGE
		sudo mkdir -p $IMAGE_MNT
		grep -q $IMAGE_MNT /proc/mounts && sudo umount -l $IMAGE_MNT
		sleep 1
		sudo mount -o loop,ro $IMAGE $IMAGE_MNT
	else
		# something went wrong
		figlet "no .iso"
		echo "ERROR: no valid .iso found"
		if [ $(file "$IMAGE" | grep -c "HTML document") -eq 1 ] ; then
			mv "$IMAGE" "$IMAGE.html"
			lynx --dump "$IMAGE.html"
			rm "$IMAGE.html"
		fi
		exit 1
	fi
else
	#
	# else netboot gtk
	#
	fetch_if_newer "$KERNEL" "$URL/$KERNEL"
	fetch_if_newer "$INITRD" "$URL/$INITRD"
fi

#
# run g-i
#
bootstrap_system
set +x
case $NAME in
	*_rescue*)	 			monitor_system rescue
						;;
	*_presentation)	 			monitor_system presentation 10
						;;
	debian-edu_*ltsp-server|debian-edu_*combi-server)	monitor_system install wait4match 3000 100 1200
						;;
	debian-edu_*wheezy*standalone*)		monitor_system install wait4match 1200 100
						;;
	*)					monitor_system install wait4match
						;;
esac
#
# boot up installed system
#
let NR=NR+1
case $NAME in
	*_rescue*|*_presentation)	# so there are some artifacts to publish
			mkdir -p $RESULTS/log/installer
			touch $RESULTS/log/dummy $RESULTS/log/installer/dummy
			;;
	*)		#
			# kill qemu and image
			#
			set -x
			TOKILL=$(ps fax | grep [q]emu-system | grep "vnc=$DISPLAY " 2>/dev/null | awk '{print $1}')
			if [ ! -z "$TOKILL" ] ; then
				sudo kill -9 "$TOKILL" || true
			fi
			set +x
			if [ ! -z "$IMAGE" ] ; then
				sudo umount -l $IMAGE_MNT || true
			fi
			echo "Sleeping 15 seconds."
			sleep 15
			boot_system
			case $NAME in
				debian-edu_*test*server)	let START_TRIGGER=NR+600
								;;
				*)				let START_TRIGGER=NR+80
								;;
			esac
			monitor_system post_install $START_TRIGGER 600 1000
esac
cleanup_all

# don't cleanup twice
trap - INT TERM EXIT