172 lines
3.2 KiB
Bash
172 lines
3.2 KiB
Bash
#!/bin/sh
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#
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# $FreeBSD$
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#
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#
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# Common functions for virtual machine image build scripts.
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#
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export PATH="/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin"
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trap "cleanup" INT QUIT TRAP ABRT TERM
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write_partition_layout() {
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case "${TARGET}:${TARGET_ARCH}" in
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amd64:amd64 | i386:i386)
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mkimg -f gpt -b /boot/pmbr \
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-p freebsd-boot/bootfs:=/boot/gptboot \
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-p freebsd-swap/swapfs::1G \
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-p freebsd-ufs/rootfs:=${VMBASE}
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-o ${VMIMAGE}
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;;
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powerpc:powerpc*)
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mkimg -f apm \
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-p freebsd-boot/bootfs:=/boot/boot1.hfs \
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-p freebsd-swap/swapfs::1G \
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-p freebsd-ufs/rootfs:=${VMBASE}
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-o ${VMIMAGE}
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;;
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*)
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# ENOTSUPP
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return 1
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;;
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esac
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return 0
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}
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usage() {
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echo "${0} usage:"
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echo "${@}"
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return 1
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}
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err() {
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printf "${@}\n"
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cleanup
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return 1
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}
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cleanup() {
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if [ ! -z "${mddev}" ]; then
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mdconfig -d -u ${mddev}
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fi
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umount ${DESTDIR}/dev
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umount ${DESTDIR}
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return 0
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}
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vm_create_base() {
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# Creates the UFS root filesystem for the virtual machine disk,
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# written to the formatted disk image with mkimg(1).
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mkdir -p ${DESTDIR}
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truncate -s ${VMSIZE} ${VMBASE}
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mddev=$(mdconfig -f ${VMBASE})
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newfs -j /dev/${mddev}
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mount /dev/${mddev} ${DESTDIR}
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return 0
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}
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vm_install_base() {
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# Installs the FreeBSD userland/kernel to the virtual machine disk.
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cd ${WORLDDIR} && \
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make DESTDIR=${DESTDIR} \
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installworld installkernel distribution || \
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err "\n\nCannot install the base system to ${DESTDIR}."
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echo '# Custom /etc/fstab for FreeBSD VM images' \
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> ${DESTDIR}/etc/fstab
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echo '/dev/gpt/rootfs / ufs rw 1 1' \
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>> ${DESTDIR}/etc/fstab
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echo '/dev/gpt/swapfs none swap sw 0 0' \
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>> ${DESTDIR}/etc/fstab
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chroot ${DESTDIR} /usr/bin/newaliases
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chroot ${DESTDIR} /etc/rc.d/ldconfig forcestart
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return 0
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}
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vm_extra_install_base() {
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# Prototype. When overridden, runs extra post-installworld commands
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# as needed, based on the target virtual machine image or cloud
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# provider image target.
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return 0
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}
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vm_extra_enable_services() {
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if [ ! -z "${VM_RC_LIST}" ]; then
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for _rcvar in ${VM_RC_LIST}; do
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echo ${_rcvar}_enable="YES" >> ${DESTDIR}/etc/rc.conf
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done
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fi
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return 0
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}
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vm_extra_install_packages() {
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chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
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/usr/sbin/pkg bootstrap -y
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if [ ! -z "${VM_EXTRA_PACKAGES}" ]; then
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chroot ${DESTDIR} env ASSUME_ALWAYS_YES=yes \
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/usr/sbin/pkg install -y ${VM_EXTRA_PACKAGES}
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fi
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return 0
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}
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vm_extra_install_ports() {
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# Prototype. When overridden, installs additional ports within the
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# virtual machine environment.
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return 0
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}
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vm_extra_pre_umount() {
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# Prototype. When overridden, installs additional ports within the
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# virtual machine environment.
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return 0
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}
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vm_umount_base() {
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i=0
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sync
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while ! umount ${DESTDIR}/dev ${DESTDIR}; do
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i=$(( $i + 1 ))
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if [ $i -ge 10 ]; then
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# This should never happen. But, it has happened.
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msg="Cannot umount(8) ${DESTDIR}\n"
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msg="${msg}Something has gone horribly wrong."
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err "${msg}"
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fi
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sleep 1
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done
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return 0
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}
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vm_create_disk() {
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if [ -z "${mkimg_paritions}" ]; then
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err "No partition types specified. Skipping."
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return 1
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fi
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echo "Creating image... Please wait."
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echo
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write_partition_layout || return 1
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return 0
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}
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vm_extra_create_disk() {
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return 0
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}
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