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|
#!/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() {
case "${TARGET}:${TARGET_ARCH}" in
amd64:amd64 | i386:i386)
mkimg -f gpt -b /boot/pmbr \
-p freebsd-boot/bootfs:=/boot/gptboot \
-p freebsd-swap/swapfs::1G \
-p freebsd-ufs/rootfs:=${VMBASE}
-o ${VMIMAGE}
;;
powerpc:powerpc*)
mkimg -f apm \
-p freebsd-boot/bootfs:=/boot/boot1.hfs \
-p freebsd-swap/swapfs::1G \
-p freebsd-ufs/rootfs:=${VMBASE}
-o ${VMIMAGE}
;;
*)
# ENOTSUPP
return 1
;;
esac
return 0
}
usage() {
echo "${0} usage:"
echo "${@}"
return 1
}
err() {
printf "${@}\n"
cleanup
return 1
}
cleanup() {
if [ ! -z "${mddev}" ]; then
mdconfig -d -u ${mddev}
fi
umount ${DESTDIR}/dev
umount ${DESTDIR}
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 ${VMBASE})
newfs -j /dev/${mddev}
mount /dev/${mddev} ${DESTDIR}
return 0
}
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
echo '/dev/gpt/swapfs none swap sw 0 0' \
>> ${DESTDIR}/etc/fstab
chroot ${DESTDIR} /usr/bin/newaliases
chroot ${DESTDIR} /etc/rc.d/ldconfig forcestart
return 0
}
vm_extra_install_base() {
# Prototype. When overridden, runs extra post-installworld commands
# as needed, based on the target virtual machine image or cloud
# provider image target.
return 0
}
vm_extra_enable_services() {
if [ ! -z "${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() {
chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
/usr/sbin/pkg bootstrap -y
if [ ! -z "${VM_EXTRA_PACKAGES}" ]; then
chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
/usr/sbin/pkg install -y ${VM_EXTRA_PACKAGES}
fi
return 0
}
vm_extra_install_ports() {
# Prototype. When overridden, installs additional ports within the
# virtual machine environment.
return 0
}
vm_umount_base() {
i=0
sync
while ! umount ${DESTDIR}/dev ${DESTDIR}; do
i=$(( $i + 1 ))
if [ $i -ge 10 ]; then
# This should never happen. But, it has happened.
msg="Cannot umount(8) ${DESTDIR}\n"
msg="${msg}Something has gone horribly wrong."
err "${msg}"
fi
sleep 1
done
return 0
}
vm_create_disk() {
if [ -z "${mkimg_paritions}" ]; then
err "No partition types specified. Skipping."
return 1
fi
echo "Creating image... Please wait."
echo
write_partition_layout || return 1
return 0
}
vm_extra_create_disk() {
return 0
}
|
