lgw_postinstall.sh@ 98102

Last change on this file since 98102 was 96407, checked in by vboxsync, 2 years ago
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1	#!/bin/bash
2	## @file
3	# Post installation script template for local gateway image.
4	#
5	# Note! This script expects to be running chrooted (inside new sytem).
6	#
7
8	#
9	# Copyright (C) 2020-2022 Oracle and/or its affiliates.
10	#
11	# This file is part of VirtualBox base platform packages, as
12	# available from https://www.virtualbox.org.
13	#
14	# This program is free software; you can redistribute it and/or
15	# modify it under the terms of the GNU General Public License
16	# as published by the Free Software Foundation, in version 3 of the
17	# License.
18	#
19	# This program is distributed in the hope that it will be useful, but
20	# WITHOUT ANY WARRANTY; without even the implied warranty of
21	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22	# General Public License for more details.
23	#
24	# You should have received a copy of the GNU General Public License
25	# along with this program; if not, see <https://www.gnu.org/licenses>.
26	#
27	# SPDX-License-Identifier: GPL-3.0-only
28	#
29
30
31	#
32	# Globals.
33	#
34	MY_TARGET="/mnt/sysimage"
35	MY_LOGFILE="${MY_TARGET}/var/log/vboxpostinstall.log"
36	MY_CHROOT_CDROM="/cdrom"
37	MY_CDROM_NOCHROOT="/tmp/vboxcdrom"
38	MY_EXITCODE=0
39	MY_DEBUG="" # "yes"
40
41	@@VBOX_COND_HAS_PROXY@@
42	PROXY="@@VBOX_INSERT_PROXY@@"
43	export http_proxy="${PROXY}"
44	export https_proxy="${PROXY}"
45	echo "HTTP proxy is ${http_proxy}" \| tee -a "${MY_LOGFILE}"
46	echo "HTTPS proxy is ${https_proxy}" \| tee -a "${MY_LOGFILE}"
47	@@VBOX_COND_END@@
48
49	#
50	# Do we need to exec using target bash? If so, we must do that early
51	# or ash will bark 'bad substitution' and fail.
52	#
53	if [ "$1" = "--need-target-bash" ]; then
54	# Try figure out which directories we might need in the library path.
55	if [ -z "${LD_LIBRARY_PATH}" ]; then
56	LD_LIBRARY_PATH="${MY_TARGET}/lib"
57	fi
58	for x in \
59	${MY_TARGET}/lib \
60	${MY_TARGET}/usr/lib \
61	${MY_TARGET}/lib/*linux-gnu/ \
62	${MY_TARGET}/lib32/ \
63	${MY_TARGET}/lib64/ \
64	${MY_TARGET}/usr/lib/*linux-gnu/ \
65	${MY_TARGET}/usr/lib32/ \
66	${MY_TARGET}/usr/lib64/ \
67	;
68	do
69	if [ -e "$x" ]; then LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${x}"; fi;
70	done
71	export LD_LIBRARY_PATH
72
73	# Append target bin directories to the PATH as busybox may not have tee.
74	PATH="${PATH}:${MY_TARGET}/bin:${MY_TARGET}/usr/bin:${MY_TARGET}/sbin:${MY_TARGET}/usr/sbin"
75	export PATH
76
77	# Drop the --need-target-bash argument and re-exec.
78	shift
79	echo "******************************************************************************" >> "${MY_LOGFILE}"
80	echo "** Relaunching using ${MY_TARGET}/bin/bash $0 $*" >> "${MY_LOGFILE}"
81	echo "** LD_LIBRARY_PATH=${LD_LIBRARY_PATH}" >> "${MY_LOGFILE}"
82	echo "** PATH=${PATH}" >> "${MY_LOGFILE}"
83	exec "${MY_TARGET}/bin/bash" "$0" "$@"
84	fi
85
86
87	#
88	# Commands.
89	#
90
91	# Logs execution of a command.
92	log_command()
93	{
94	echo "--------------------------------------------------" >> "${MY_LOGFILE}"
95	echo "** Date: `date -R`" >> "${MY_LOGFILE}"
96	echo "** Executing: $*" >> "${MY_LOGFILE}"
97	"$@" 2>&1 \| tee -a "${MY_LOGFILE}"
98	MY_TMP_EXITCODE="${PIPESTATUS[0]}" # bashism - whatever.
99	if [ "${MY_TMP_EXITCODE}" != "0" ]; then
100	if [ "${MY_TMP_EXITCODE}" != "${MY_IGNORE_EXITCODE}" ]; then
101	echo "** exit code: ${MY_TMP_EXITCODE}" \| tee -a "${MY_LOGFILE}"
102	MY_EXITCODE=1;
103	else
104	echo "** exit code: ${MY_TMP_EXITCODE} (ignored)" \| tee -a "${MY_LOGFILE}"
105	fi
106	fi
107	}
108
109	# Logs execution of a command inside the target.
110	log_command_in_target()
111	{
112	log_command chroot "${MY_TARGET}" "$@"
113	}
114
115	# Checks if $1 is a command on the PATH inside the target jail.
116	chroot_which()
117	{
118	for dir in /bin /usr/bin /sbin /usr/sbin;
119	do
120	if [ -x "${MY_TARGET}${dir}/$1" ]; then
121	return 0;
122	fi
123	done
124	return 1;
125	}
126
127	#
128	# Log header.
129	#
130	echo "******************************************************************************" >> "${MY_LOGFILE}"
131	echo "** VirtualBox Unattended Guest Installation - Late installation actions" >> "${MY_LOGFILE}"
132	echo "** Date: `date -R`" >> "${MY_LOGFILE}"
133	echo "** Started: $0 $*" >> "${MY_LOGFILE}"
134
135
136	#
137	# We want the ISO available inside the target jail.
138	#
139	if [ -d "${MY_TARGET}${MY_CHROOT_CDROM}" ]; then
140	MY_RMDIR_TARGET_CDROM=
141	else
142	MY_RMDIR_TARGET_CDROM="yes"
143	log_command mkdir -p ${MY_TARGET}${MY_CHROOT_CDROM}
144	fi
145
146	if [ -f "${MY_TARGET}${MY_CHROOT_CDROM}/vboxpostinstall.sh" ]; then
147	MY_UNMOUNT_TARGET_CDROM=
148	echo "** binding cdrom into jail: already done" \| tee -a "${MY_LOGFILE}"
149	else
150	MY_UNMOUNT_TARGET_CDROM="yes"
151	log_command mount -o bind "${MY_CDROM_NOCHROOT}" "${MY_TARGET}${MY_CHROOT_CDROM}"
152	if [ -f "${MY_TARGET}${MY_CHROOT_CDROM}/vboxpostinstall.sh" ]; then
153	echo "** binding cdrom into jail: success" \| tee -a "${MY_LOGFILE}"
154	else
155	echo "** binding cdrom into jail: failed" \| tee -a "${MY_LOGFILE}"
156	fi
157	if [ "${MY_DEBUG}" = "yes" ]; then
158	log_command find "${MY_TARGET}${MY_CHROOT_CDROM}"
159	fi
160	fi
161
162
163	#
164	# Debug
165	#
166	if [ "${MY_DEBUG}" = "yes" ]; then
167	log_command id
168	log_command ps
169	log_command ps auxwwwf
170	log_command env
171	log_command df
172	log_command mount
173	log_command_in_target df
174	log_command_in_target mount
175	#log_command find /
176	MY_EXITCODE=0
177	fi
178
179
180	#
181	# Proxy hack for yum
182	#
183	@@VBOX_COND_HAS_PROXY@@
184	echo "" >> "${MY_TARGET}/etc/yum.conf"
185	echo "proxy=@@VBOX_INSERT_PROXY@@" >> "${MY_TARGET}/etc/yum.conf"
186	@@VBOX_COND_END@@
187
188	#
189	# Packages needed for GAs.
190	#
191	echo "--------------------------------------------------" >> "${MY_LOGFILE}"
192	echo '** Installing packages for building kernel modules...' \| tee -a "${MY_LOGFILE}"
193	log_command_in_target yum -y install "kernel-devel-$(uname -r)"
194	log_command_in_target yum -y install "kernel-headers-$(uname -r)"
195	log_command_in_target yum -y install gcc
196	log_command_in_target yum -y install binutils
197	log_command_in_target yum -y install make
198	log_command_in_target yum -y install dkms
199	log_command_in_target yum -y install make
200	log_command_in_target yum -y install bzip2
201	log_command_in_target yum -y install perl
202
203
204	#
205	# GAs
206	#
207	@@VBOX_COND_IS_INSTALLING_ADDITIONS@@
208	echo "--------------------------------------------------" >> "${MY_LOGFILE}"
209	echo '** Installing VirtualBox Guest Additions...' \| tee -a "${MY_LOGFILE}"
210	MY_IGNORE_EXITCODE=2 # returned if modules already loaded and reboot required.
211	log_command_in_target /bin/bash "${MY_CHROOT_CDROM}/vboxadditions/VBoxLinuxAdditions.run" --nox11
212	log_command_in_target /bin/bash -c "udevadm control --reload-rules" # GAs doesn't yet do this.
213	log_command_in_target /bin/bash -c "udevadm trigger" # (ditto)
214	MY_IGNORE_EXITCODE=
215	log_command_in_target usermod -a -G vboxsf "@@VBOX_INSERT_USER_LOGIN@@"
216	@@VBOX_COND_END@@
217
218	#
219	# Local gateway support
220	#
221	log_command_in_target yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
222	#log_command_in_target yum -y update
223	log_command_in_target yum -y install openvpn
224	log_command_in_target yum -y install connect-proxy
225	log_command_in_target usermod -a -G wheel "@@VBOX_INSERT_USER_LOGIN@@"
226
227	echo "** Creating ${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/cloud-bridge.conf..." \| tee -a "${MY_LOGFILE}"
228	cat >"${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/cloud-bridge.conf" <<'EOT'
229	# port 1194
230	# proto udp
231	port 443
232	proto tcp-server
233	dev tap0
234	secret static.key
235	keepalive 10 120
236	compress lz4-v2
237	push "compress lz4-v2"
238	persist-key
239	persist-tun
240	status /var/log/openvpn-status.log
241	log-append /var/log/openvpn.log
242	verb 3
243	EOT
244
245	echo "** Creating ${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/cloud-bridge.sh..." \| tee -a "${MY_LOGFILE}"
246	cat >"${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/cloud-bridge.sh" <<'EOT'
247	# Initialize variables
248	br="br0"
249	tap="tap0"
250	vnic1=$1
251	vnic2=$2
252	vnic2_gw=$3
253	target_mac=$4
254
255	# Install openvpn if it is missing
256	if ! yum list installed openvpn; then
257	sudo yum -y install openvpn
258	fi
259
260	# Let openvpn traffic through Linux firewall
261	#sudo iptables -I INPUT -p udp --dport 1194 -j ACCEPT
262	sudo iptables -I INPUT -p tcp --dport 443 -j ACCEPT
263
264	# Switch to secondary VNIC
265	sudo ip route change default via $vnic2_gw dev $vnic2
266	sudo ip link set dev $vnic1 down
267
268	# Bring up the cloud end of the tunnel
269	sudo openvpn --config cloud-bridge.conf --daemon
270
271	# Use target MAC for primary VNIC
272	sudo ip link set dev $vnic1 address $target_mac
273
274	# Bridge tap and primary VNIC
275	sudo ip link add name $br type bridge
276	sudo ip link set dev $vnic1 master $br
277	sudo ip link set dev $tap master $br
278
279	# Bring up all interfaces
280	sudo ip link set dev $tap up
281	sudo ip link set dev $vnic1 up
282	sudo ip link set dev $br up
283	EOT
284	log_command chmod +x "${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/cloud-bridge.sh"
285
286	echo "** Creating ${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/local-bridge.conf..." \| tee -a "${MY_LOGFILE}"
287	cat >"${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/local-bridge.conf" <<'EOT'
288	dev tap0
289	# proto udp
290	# port 1194
291	proto tcp-client
292	port 443
293	persist-key
294	persist-tun
295	secret static.key
296	compress lz4-v2
297	log-append /var/log/openvpn.log
298	verb 3
299	EOT
300
301	echo "** Creating ${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/local-bridge.sh..." \| tee -a "${MY_LOGFILE}"
302	cat >"${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/local-bridge.sh" <<'EOT'
303	echo Complete command line for debugging purposes:
304	echo $0 $*
305
306	# Make sure we are at home
307	cd ~
308
309	# Initialize variables
310	user=opc
311	cbr_ip1=$1
312	cbr_ip2=$2
313	target_mac=$3
314	br="br0"
315	tap="tap0"
316	eth="enp0s8"
317
318	proxy1_ssh=""
319	proxy2_ssh=""
320	proxy2_vpn=""
321	case $4 in
322	HTTP \| HTTPS)
323	proxy1_ssh="connect-proxy -w 30 -H $5:$6 %h %p"
324	;;
325	SOCKS \| SOCKS5)
326	proxy1_ssh="connect-proxy -w 30 -S $5:$6 %h %p"
327	;;
328	SOCKS4)
329	proxy1_ssh="connect-proxy -w 30 -4 -S $5:$6 %h %p"
330	;;
331	esac
332	case $7 in
333	HTTP \| HTTPS)
334	proxy2_ssh="connect-proxy -w 30 -H $8:$9 %h %p"
335	proxy2_vpn="--http-proxy $8 $9"
336	;;
337	SOCKS \| SOCKS5)
338	proxy2_ssh="connect-proxy -w 30 -S $8:$9 %h %p"
339	proxy2_vpn="--socks-proxy $8 $9"
340	;;
341	SOCKS4)
342	proxy2_ssh="connect-proxy -w 30 -4 -S $8:$9 %h %p"
343	proxy2_vpn="--socks-proxy $8 $9"
344	;;
345	esac
346
347	# Generate pre-shared secret and share it with the server, bypassing proxy if necessary
348	/usr/sbin/openvpn --genkey --secret static.key
349	for i in 1 2 3 4
350	do
351	# Go via proxy if set
352	scp ${proxy1_ssh:+ -o ProxyCommand="$proxy1_ssh"} static.key cloud-bridge.conf cloud-bridge.sh $user@$cbr_ip1:
353	if [ $? -eq 0 ]; then break; fi; sleep 15
354	# Go direct even if proxy is set
355	scp static.key cloud-bridge.conf cloud-bridge.sh $user@$cbr_ip1:
356	if [ $? -eq 0 ]; then proxy1_ssh=""; break; fi; sleep 15
357	done
358
359	# Get metadata info from the cloud bridge
360	for i in 1 2 3 4; do metadata=$(ssh ${proxy1_ssh:+ -o ProxyCommand="$proxy1_ssh"} $user@$cbr_ip1 sudo oci-network-config) && break \|\| sleep 15; done
361
362	# Extract primary VNIC info
363	vnic1_md=`echo "$metadata"\|grep -E "\sUP\s"`
364	vnic1_dev=`echo $vnic1_md\|cut -d ' ' -f 8`
365	vnic1_mac=`echo $vnic1_md\|cut -d ' ' -f 12`
366	# Extract secondary VNIC info
367	vnic2_md=`echo "$metadata"\|grep -E "\sDOWN\s"`
368	vnic2_dev=`echo $vnic2_md\|cut -d ' ' -f 8`
369	vnic2_gw=`echo $vnic2_md\|cut -d ' ' -f 5`
370
371	# Configure secondary VNIC
372	ssh ${proxy1_ssh:+ -o ProxyCommand="$proxy1_ssh"} $user@$cbr_ip1 sudo oci-network-config -c
373
374	# Bring up the cloud bridge
375	ssh ${proxy2_ssh:+ -o ProxyCommand="$proxy2_ssh"} $user@$cbr_ip2 /bin/sh -x cloud-bridge.sh $vnic1_dev $vnic2_dev $vnic2_gw $target_mac
376	if [ $? -eq 0 ]
377	then
378	# SSH was able to reach cloud via proxy, establish a tunnel via proxy as well
379	sudo /usr/sbin/openvpn $proxy2_vpn --config local-bridge.conf --daemon --remote $cbr_ip2
380	else
381	# Retry without proxy
382	ssh $user@$cbr_ip2 /bin/sh -x cloud-bridge.sh $vnic1_dev $vnic2_dev $vnic2_gw $target_mac
383	# Establish a tunnel to the cloud bridge
384	sudo /usr/sbin/openvpn --config local-bridge.conf --daemon --remote $cbr_ip2
385	fi
386
387	# Bridge the openvpn tap device and the local Ethernet interface
388	sudo ip link set dev $eth down
389	sudo ip link add name $br type bridge
390	sudo ip link set dev $eth master $br
391	sudo ip link set dev $tap master $br
392
393	# Bring up all interfaces
394	sudo ip link set dev $tap up
395	sudo ip link set dev $eth up
396	sudo ip link set dev $br up
397	EOT
398	log_command chmod +x "${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/local-bridge.sh"
399
400	echo "** Creating ${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/.ssh/config..." \| tee -a "${MY_LOGFILE}"
401	log_command mkdir "${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/.ssh"
402	cat >"${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/.ssh/config" <<'EOT'
403	Host *
404	StrictHostKeyChecking no
405	EOT
406	log_command chmod 400 "${MY_TARGET}/home/@@VBOX_INSERT_USER_LOGIN@@/.ssh/config"
407
408	log_command_in_target chown -R @@VBOX_INSERT_USER_LOGIN@@:@@VBOX_INSERT_USER_LOGIN@@ "/home/@@VBOX_INSERT_USER_LOGIN@@"
409
410	echo '** Creating /etc/systemd/system/keygen.service...' \| tee -a "${MY_LOGFILE}"
411	cat >"${MY_TARGET}/etc/systemd/system/keygen.service" <<'EOT'
412	[Unit]
413	Description=Boot-time ssh key pair generator
414	After=vboxadd.service
415
416	[Service]
417	ExecStart=/bin/sh -c 'su - vbox -c "cat /dev/zero \| ssh-keygen -q -N \\\"\\\""'
418	ExecStartPost=/bin/sh -c 'VBoxControl guestproperty set "/VirtualBox/Gateway/PublicKey" "`cat ~vbox/.ssh/id_rsa.pub`" --flags TRANSIENT'
419	Type=oneshot
420	RemainAfterExit=yes
421
422	[Install]
423	WantedBy=multi-user.target
424	EOT
425	log_command chmod 644 "${MY_TARGET}/etc/systemd/system/keygen.service"
426	log_command_in_target systemctl enable keygen.service
427
428	echo '** Creating /etc/sudoers.d/020_vbox_sudo...' \| tee -a "${MY_LOGFILE}"
429	echo "@@VBOX_INSERT_USER_LOGIN@@ ALL=(ALL) NOPASSWD: ALL" > "${MY_TARGET}/etc/sudoers.d/020_vbox_sudo"
430
431	#
432	# Test Execution Service.
433	#
434	@@VBOX_COND_IS_INSTALLING_TEST_EXEC_SERVICE@@
435	echo "--------------------------------------------------" >> "${MY_LOGFILE}"
436	echo '** Installing Test Execution Service...' \| tee -a "${MY_LOGFILE}"
437	log_command_in_target test "${MY_CHROOT_CDROM}/vboxvalidationkit/linux/@@VBOX_INSERT_OS_ARCH@@/TestExecService"
438	log_command mkdir -p "${MY_TARGET}/opt/validationkit" "${MY_TARGET}/media/cdrom"
439	log_command cp -R ${MY_CDROM_NOCHROOT}/vboxvalidationkit/* "${MY_TARGET}/opt/validationkit/"
440	log_command chmod -R u+rw,a+xr "${MY_TARGET}/opt/validationkit/"
441	if [ -e "${MY_TARGET}/usr/bin/chcon" -o -e "${MY_TARGET}/bin/chcon" -o -e "${MY_TARGET}/usr/sbin/chcon" -o -e "${MY_TARGET}/sbin/chcon" ]; then
442	MY_IGNORE_EXITCODE=1
443	log_command_in_target chcon -R -t usr_t "/opt/validationkit/"
444	MY_IGNORE_EXITCODE=
445	fi
446
447	# systemd service config:
448	MY_UNIT_PATH="${MY_TARGET}/lib/systemd/system"
449	test -d "${MY_TARGET}/usr/lib/systemd/system" && MY_UNIT_PATH="${MY_TARGET}/usr/lib/systemd/system"
450	if [ -d "${MY_UNIT_PATH}" ]; then
451	log_command cp "${MY_TARGET}/opt/validationkit/linux/vboxtxs.service" "${MY_UNIT_PATH}/vboxtxs.service"
452	log_command chmod 644 "${MY_UNIT_PATH}/vboxtxs.service"
453	log_command_in_target systemctl -q enable vboxtxs
454
455	# System V like:
456	elif [ -e "${MY_TARGET}/etc/init.d/" ]; then
457
458	# Install the script. On rhel6 scripts are under /etc/rc.d/ with /etc/init.d and /etc/rc?.d being symlinks.
459	if [ -d "${MY_TARGET}/etc/rc.d/init.d/" ]; then
460	MY_INIT_D_PARENT_PATH="${MY_TARGET}/etc/rc.d"
461	log_command ln -s "../../../opt/validationkit/linux/vboxtxs" "${MY_INIT_D_PARENT_PATH}/init.d/"
462	else
463	MY_INIT_D_PARENT_PATH="${MY_TARGET}/etc"
464	log_command ln -s "../../opt/validationkit/linux/vboxtxs" "${MY_INIT_D_PARENT_PATH}/init.d/"
465	fi
466
467	# Use runlevel management script if found.
468	if chroot_which chkconfig; then # Redhat based sysvinit systems
469	log_command_in_target chkconfig --add vboxtxs
470	elif chroot_which insserv; then # SUSE-based sysvinit systems
471	log_command_in_target insserv vboxtxs
472	elif chroot_which update-rc.d; then # Debian/Ubuntu-based systems
473	log_command_in_target update-rc.d vboxtxs defaults
474	elif chroot_which rc-update; then # Gentoo Linux
475	log_command_in_target rc-update add vboxtxs default
476	# Fall back on hardcoded symlinking.
477	else
478	log_command ln -s "../init.d/vboxtxs" "${MY_INIT_D_PARENT_PATH}/rc0.d/K65vboxtxs"
479	log_command ln -s "../init.d/vboxtxs" "${MY_INIT_D_PARENT_PATH}/rc1.d/K65vboxtxs"
480	log_command ln -s "../init.d/vboxtxs" "${MY_INIT_D_PARENT_PATH}/rc6.d/K65vboxtxs"
481	log_command ln -s "../init.d/vboxtxs" "${MY_INIT_D_PARENT_PATH}/rc2.d/S35vboxtxs"
482	log_command ln -s "../init.d/vboxtxs" "${MY_INIT_D_PARENT_PATH}/rc3.d/S35vboxtxs"
483	log_command ln -s "../init.d/vboxtxs" "${MY_INIT_D_PARENT_PATH}/rc4.d/S35vboxtxs"
484	log_command ln -s "../init.d/vboxtxs" "${MY_INIT_D_PARENT_PATH}/rc5.d/S35vboxtxs"
485	fi
486	else
487	echo "** error: Unknown init script system." \| tee -a "${MY_LOGFILE}"
488	fi
489
490	@@VBOX_COND_END@@
491
492
493	#
494	# Run user command.
495	#
496	@@VBOX_COND_HAS_POST_INSTALL_COMMAND@@
497	echo '** Running custom user command ...' \| tee -a "${MY_LOGFILE}"
498	log_command @@VBOX_INSERT_POST_INSTALL_COMMAND@@
499	@@VBOX_COND_END@@
500
501
502	#
503	# Unmount the cdrom if we bound it and clean up the chroot if we set it up.
504	#
505	if [ -n "${MY_UNMOUNT_TARGET_CDROM}" ]; then
506	echo "** unbinding cdrom from jail..." \| tee -a "${MY_LOGFILE}"
507	log_command umount "${MY_TARGET}${MY_CHROOT_CDROM}"
508	fi
509
510	if [ -n "${MY_RMDIR_TARGET_CDROM}" ]; then
511	log_command rmdir "${MY_TARGET}${MY_CHROOT_CDROM}"
512	fi
513
514
515	#
516	# Log footer.
517	#
518	echo "******************************************************************************" >> "${MY_LOGFILE}"
519	echo "** Date: `date -R`" >> "${MY_LOGFILE}"
520	echo "** Final exit code: ${MY_EXITCODE}" >> "${MY_LOGFILE}"
521	echo "******************************************************************************" >> "${MY_LOGFILE}"
522
523	exit ${MY_EXITCODE}
524

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source: vbox/trunk/src/VBox/Main/UnattendedTemplates/lgw_postinstall.sh@ 98102

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