blob: d9c95c6f22aa6f87b9127c2692ec15c8dc4dfe10 (
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
|
#!/bin/sh
#
# $FreeBSD$
#
#
# Common functions for virtual machine image build scripts.
#
export PATH="/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
trap "cleanup" INT QUIT TRAP ABRT TERM
write_partition_layout() {
if [ -z "${NOSWAP}" ]; then
SWAPOPT="-p freebsd-swap/swapfs::1G"
fi
_OBJDIR="$(make -C ${WORLDDIR} -V .OBJDIR | tr -d '/usr/src')"
if [ -d "${_OBJDIR}/${TARGET}.${TARGET_ARCH}" ]; then
BOOTFILES="${_OBJDIR}/${TARGET}.${TARGET_ARCH}/usr/src/sys/boot"
else
BOOTFILES="${_OBJDIR}/usr/src/sys/boot"
fi
case "${TARGET}:${TARGET_ARCH}" in
amd64:amd64 | i386:i386)
mkimg -s gpt -b ${BOOTFILES}/i386/pmbr/pmbr \
-p freebsd-boot/bootfs:=${BOOTFILES}/i386/gptboot/gptboot \
${SWAPOPT} \
-p freebsd-ufs/rootfs:=${VMBASE} \
-o ${VMIMAGE}
;;
arm64:aarch64)
mkimg -s gpt \
-p efi/efiboot:=${BOOTFILES}/efi/boot1/boot1.efifat \
${SWAPOPT} \
-p freebsd-ufs/rootfs:=${VMBASE} \
-o ${VMIMAGE}
;;
powerpc:powerpc*)
mkimg -s apm \
-p apple-boot/bootfs:=${BOOTFILES}/powerpc/boot1.chrp/boot1.hfs \
${SWAPOPT} \
-p freebsd-ufs/rootfs:=${VMBASE} \
-o ${VMIMAGE}
;;
*)
# ENOTSUPP
return 1
;;
esac
return 0
}
err() {
printf "${@}\n"
cleanup
return 1
}
cleanup() {
if [ -c "${DESTDIR}/dev/null" ]; then
umount_loop ${DESTDIR}/dev 2>/dev/null
fi
umount_loop ${DESTDIR}
if [ ! -z "${mddev}" ]; then
mdconfig -d -u ${mddev}
fi
return 0
}
vm_create_base() {
# Creates the UFS root filesystem for the virtual machine disk,
# written to the formatted disk image with mkimg(1).
mkdir -p ${DESTDIR}
truncate -s ${VMSIZE} ${VMBASE}
mddev=$(mdconfig -f ${VMBASE})
newfs /dev/${mddev}
mount /dev/${mddev} ${DESTDIR}
return 0
}
vm_copy_base() {
# Creates a new UFS root filesystem and copies the contents of the
# current root filesystem into it. This produces a "clean" disk
# image without any remnants of files which were created temporarily
# during image-creation and have since been deleted (e.g., downloaded
# package archives).
mkdir -p ${DESTDIR}/old
mdold=$(mdconfig -f ${VMBASE})
mount /dev/${mdold} ${DESTDIR}/old
truncate -s ${VMSIZE} ${VMBASE}.tmp
mkdir -p ${DESTDIR}/new
mdnew=$(mdconfig -f ${VMBASE}.tmp)
newfs /dev/${mdnew}
mount /dev/${mdnew} ${DESTDIR}/new
tar -cf- -C ${DESTDIR}/old . | tar -xUf- -C ${DESTDIR}/new
umount_loop /dev/${mdold}
rmdir ${DESTDIR}/old
mdconfig -d -u ${mdold}
umount_loop /dev/${mdnew}
rmdir ${DESTDIR}/new
tunefs -j enable /dev/${mdnew}
mdconfig -d -u ${mdnew}
mv ${VMBASE}.tmp ${VMBASE}
}
vm_install_base() {
# Installs the FreeBSD userland/kernel to the virtual machine disk.
cd ${WORLDDIR} && \
make DESTDIR=${DESTDIR} \
installworld installkernel distribution || \
err "\n\nCannot install the base system to ${DESTDIR}."
echo '# Custom /etc/fstab for FreeBSD VM images' \
> ${DESTDIR}/etc/fstab
echo '/dev/gpt/rootfs / ufs rw 1 1' \
>> ${DESTDIR}/etc/fstab
if [ -z "${NOSWAP}" ]; then
echo '/dev/gpt/swapfs none swap sw 0 0' \
>> ${DESTDIR}/etc/fstab
fi
mkdir -p ${DESTDIR}/dev
mount -t devfs devfs ${DESTDIR}/dev
chroot ${DESTDIR} /usr/bin/newaliases
chroot ${DESTDIR} /etc/rc.d/ldconfig forcestart
umount_loop ${DESTDIR}/dev
cp /etc/resolv.conf ${DESTDIR}/etc/resolv.conf
return 0
}
vm_extra_install_base() {
# Prototype. When overridden, runs extra post-installworld commands
# as needed, based on the target virtual machine image or cloud
# provider image target.
return 0
}
vm_extra_enable_services() {
if [ ! -z "${VM_RC_LIST}" ]; then
for _rcvar in ${VM_RC_LIST}; do
echo ${_rcvar}_enable="YES" >> ${DESTDIR}/etc/rc.conf
done
fi
return 0
}
vm_extra_install_packages() {
if [ -z "${VM_EXTRA_PACKAGES}" ]; then
return 0
fi
mkdir -p ${DESTDIR}/dev
mount -t devfs devfs ${DESTDIR}/dev
chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
/usr/sbin/pkg bootstrap -y
chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
/usr/sbin/pkg install -y ${VM_EXTRA_PACKAGES}
umount_loop ${DESTDIR}/dev
return 0
}
vm_extra_install_ports() {
# Prototype. When overridden, installs additional ports within the
# virtual machine environment.
return 0
}
vm_extra_pre_umount() {
# Prototype. When overridden, installs additional ports within the
# virtual machine environment.
rm -f ${DESTDIR}/etc/resolv.conf
return 0
}
vm_extra_pkg_rmcache() {
if [ -e ${DESTDIR}/usr/local/sbin/pkg ]; then
chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
/usr/local/sbin/pkg clean -y -a
fi
return 0
}
umount_loop() {
DIR=$1
i=0
sync
while ! umount ${DIR}; do
i=$(( $i + 1 ))
if [ $i -ge 10 ]; then
# This should never happen. But, it has happened.
echo "Cannot umount(8) ${DIR}"
echo "Something has gone horribly wrong."
return 1
fi
sleep 1
done
return 0
}
vm_create_disk() {
echo "Creating image... Please wait."
echo
write_partition_layout || return 1
return 0
}
vm_extra_create_disk() {
return 0
}
|
