6 # Common functions for virtual machine image build scripts.
9 export PATH="/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
10 trap "cleanup" INT QUIT TRAP ABRT TERM
12 write_partition_layout() {
13 if [ -z "${NOSWAP}" ]; then
14 SWAPOPT="-p freebsd-swap/swapfs::${SWAPSIZE}"
17 _OBJDIR="$(make -C ${WORLDDIR} -V .OBJDIR)"
18 _OBJDIR="$(realpath ${_OBJDIR})"
19 if [ -d "${_OBJDIR%%/usr/src}/${TARGET}.${TARGET_ARCH}" ]; then
20 BOOTFILES="/${_OBJDIR%%/usr/src}/${TARGET}.${TARGET_ARCH}/usr/src/sys/boot"
22 BOOTFILES="/${_OBJDIR}/sys/boot"
25 case "${TARGET}:${TARGET_ARCH}" in
26 amd64:amd64 | i386:i386)
27 mkimg -s gpt -f ${VMFORMAT} \
28 -b ${BOOTFILES}/i386/pmbr/pmbr \
29 -p freebsd-boot/bootfs:=${BOOTFILES}/i386/gptboot/gptboot \
31 -p freebsd-ufs/rootfs:=${VMBASE} \
35 mkimg -s apm -f ${VMFORMAT} \
36 -p apple-boot/bootfs:=${BOOTFILES}/powerpc/boot1.chrp/boot1.hfs \
38 -p freebsd-ufs/rootfs:=${VMBASE} \
57 if [ -c "${DESTDIR}/dev/null" ]; then
58 umount_loop ${DESTDIR}/dev 2>/dev/null
60 umount_loop ${DESTDIR}
61 if [ ! -z "${mddev}" ]; then
62 mdconfig -d -u ${mddev}
69 # Creates the UFS root filesystem for the virtual machine disk,
70 # written to the formatted disk image with mkimg(1).
73 truncate -s ${VMSIZE} ${VMBASE}
74 mddev=$(mdconfig -f ${VMBASE})
76 mount /dev/${mddev} ${DESTDIR}
82 # Creates a new UFS root filesystem and copies the contents of the
83 # current root filesystem into it. This produces a "clean" disk
84 # image without any remnants of files which were created temporarily
85 # during image-creation and have since been deleted (e.g., downloaded
88 mkdir -p ${DESTDIR}/old
89 mdold=$(mdconfig -f ${VMBASE})
90 mount /dev/${mdold} ${DESTDIR}/old
92 truncate -s ${VMSIZE} ${VMBASE}.tmp
93 mkdir -p ${DESTDIR}/new
94 mdnew=$(mdconfig -f ${VMBASE}.tmp)
96 mount /dev/${mdnew} ${DESTDIR}/new
98 tar -cf- -C ${DESTDIR}/old . | tar -xUf- -C ${DESTDIR}/new
100 umount_loop /dev/${mdold}
102 mdconfig -d -u ${mdold}
104 umount_loop /dev/${mdnew}
106 tunefs -n enable /dev/${mdnew}
107 mdconfig -d -u ${mdnew}
108 mv ${VMBASE}.tmp ${VMBASE}
112 # Installs the FreeBSD userland/kernel to the virtual machine disk.
115 make DESTDIR=${DESTDIR} \
116 installworld installkernel distribution || \
117 err "\n\nCannot install the base system to ${DESTDIR}."
119 # Bootstrap etcupdate(8) and mergemaster(8) databases.
120 mkdir -p ${DESTDIR}/var/db/etcupdate
121 etcupdate extract -B \
122 -M "TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}" \
123 -s ${WORLDDIR} -d ${DESTDIR}/var/db/etcupdate
124 sh ${WORLDDIR}/release/scripts/mm-mtree.sh -m ${WORLDDIR} \
125 -F "TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH}" \
128 echo '# Custom /etc/fstab for FreeBSD VM images' \
129 > ${DESTDIR}/etc/fstab
130 echo '/dev/gpt/rootfs / ufs rw 1 1' \
131 >> ${DESTDIR}/etc/fstab
132 if [ -z "${NOSWAP}" ]; then
133 echo '/dev/gpt/swapfs none swap sw 0 0' \
134 >> ${DESTDIR}/etc/fstab
138 hostname="$(echo $(uname -o) | tr '[:upper:]' '[:lower:]')"
139 echo "hostname=\"${hostname}\"" >> ${DESTDIR}/etc/rc.conf
141 mkdir -p ${DESTDIR}/dev
142 mount -t devfs devfs ${DESTDIR}/dev
143 chroot ${DESTDIR} /usr/bin/newaliases
144 chroot ${DESTDIR} /etc/rc.d/ldconfig forcestart
145 umount_loop ${DESTDIR}/dev
147 cp /etc/resolv.conf ${DESTDIR}/etc/resolv.conf
152 vm_extra_install_base() {
153 # Prototype. When overridden, runs extra post-installworld commands
154 # as needed, based on the target virtual machine image or cloud
155 # provider image target.
160 vm_extra_enable_services() {
161 if [ ! -z "${VM_RC_LIST}" ]; then
162 for _rcvar in ${VM_RC_LIST}; do
163 echo ${_rcvar}_enable="YES" >> ${DESTDIR}/etc/rc.conf
167 if [ -z "${VMCONFIG}" -o -c "${VMCONFIG}" ]; then
168 echo 'ifconfig_DEFAULT="DHCP inet6 accept_rtadv"' >> \
169 ${DESTDIR}/etc/rc.conf
175 vm_extra_install_packages() {
176 if [ -z "${VM_EXTRA_PACKAGES}" ]; then
179 mkdir -p ${DESTDIR}/dev
180 mount -t devfs devfs ${DESTDIR}/dev
181 chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
182 /usr/sbin/pkg bootstrap -y
183 chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
184 /usr/sbin/pkg install -y ${VM_EXTRA_PACKAGES}
185 umount_loop ${DESTDIR}/dev
190 vm_extra_install_ports() {
191 # Prototype. When overridden, installs additional ports within the
192 # virtual machine environment.
197 vm_extra_pre_umount() {
198 # Prototype. When overridden, performs additional tasks within the
199 # virtual machine environment prior to unmounting the filesystem.
200 # Note: When overriding this function, removing resolv.conf in the
201 # disk image must be included.
203 rm -f ${DESTDIR}/etc/resolv.conf
207 vm_extra_pkg_rmcache() {
208 if [ -e ${DESTDIR}/usr/local/sbin/pkg ]; then
209 chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
210 /usr/local/sbin/pkg clean -y -a
220 while ! umount ${DIR}; do
222 if [ $i -ge 10 ]; then
223 # This should never happen. But, it has happened.
224 echo "Cannot umount(8) ${DIR}"
225 echo "Something has gone horribly wrong."
235 echo "Creating image... Please wait."
238 write_partition_layout || return 1
243 vm_extra_create_disk() {