145 lines
3.8 KiB
Bash
Executable File
145 lines
3.8 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# This script generates OpenBSD images for OpenNebula, being inspired from
|
|
# srht's OpenBSD build image definition. It assumes running on an OpenBSD host.
|
|
|
|
set -e
|
|
set -x
|
|
|
|
# XXX: Handle command-line arguments?
|
|
RELEASE=7.5
|
|
ARCH=amd64
|
|
IMAGE_PATH="$(pwd)/openbsd-$RELEASE-$(date +"%Y-%m-%d").img"
|
|
IMAGE_SIZE=10G
|
|
VIRTUAL_DEVICE=vnd0
|
|
|
|
# Setup working directory.
|
|
workdir="$(mktemp -d)"
|
|
cd "${workdir:?}"
|
|
|
|
cleanup() {
|
|
# The order here is important.
|
|
umount /mnt/dev/pts 2>/dev/null || true
|
|
umount /mnt/dev/shm 2>/dev/null || true
|
|
umount /mnt/dev 2>/dev/null || true
|
|
umount /mnt/proc 2>/dev/null || true
|
|
umount /mnt/run 2>/dev/null || true
|
|
umount /mnt/sys 2>/dev/null || true
|
|
umount /mnt/boot 2>/dev/null || true
|
|
umount /mnt 2>/dev/null || true
|
|
vnconfig -u "$VIRTUAL_DEVICE"
|
|
rm -r "${workdir:?}"
|
|
}
|
|
|
|
# Create base image.
|
|
vmctl create -s "$IMAGE_SIZE" "$IMAGE_PATH"
|
|
vnconfig "$VIRTUAL_DEVICE" "$IMAGE_PATH"
|
|
|
|
# Don't forget to cleanup, even if the script crash.
|
|
trap cleanup EXIT
|
|
|
|
# Format disk, mount /mnt.
|
|
fdisk -iy "${VIRTUAL_DEVICE}"
|
|
cat > "${workdir}/partitions" <<EOF
|
|
/ 1G-* 100%
|
|
EOF
|
|
disklabel -w -A -T "${workdir:?}/partitions" "${VIRTUAL_DEVICE}"
|
|
|
|
# Fetch base system.
|
|
short_version="$(echo "$RELEASE" | tr -d .)"
|
|
openbsd_sets="base comp xbase xshare"
|
|
openbsd_kernel="bsd.mp"
|
|
openbsd_installurl="${openbsd_installurl:-"https://cdn.openbsd.org/pub/OpenBSD"}"
|
|
mirror_dir="${RELEASE}"
|
|
openbsd_public_key="openbsd-${short_version}-base.pub"
|
|
|
|
set_files=""
|
|
for s in $openbsd_sets; do
|
|
set_files="$set_files ${s}${short_version}.tgz"
|
|
done
|
|
|
|
for f in $set_files $openbsd_kernel SHA256.sig SHA256
|
|
do
|
|
test -f "$f" || ftp "${openbsd_installurl}/${mirror_dir}/${ARCH}/${f}"
|
|
done
|
|
|
|
signify -Cp /etc/signify/"$openbsd_public_key" \
|
|
-x SHA256.sig $set_files $openbsd_kernel
|
|
|
|
# Install base system.
|
|
for f in $set_files
|
|
do
|
|
tar -zxphf "$f" -C /mnt
|
|
done
|
|
|
|
tar -zxphf /mnt/var/sysmerge/etc.tgz -C /mnt
|
|
tar -zxphf /mnt/var/sysmerge/xetc.tgz -C /mnt
|
|
|
|
cat > /mnt/etc/fstab <<EOF
|
|
/dev/sd0a / ffs rw,wxallowed 1 1
|
|
EOF
|
|
|
|
cd /mnt/dev
|
|
sh MAKEDEV all
|
|
cd "$workdir"
|
|
|
|
# Configure base system.
|
|
cat >>/mnt/etc/ssh/sshd_config <<EOF
|
|
PermitRootLogin yes
|
|
EOF
|
|
|
|
echo "openbsd" > /mnt/etc/myname
|
|
echo "nameserver 2606:4700:4700::1111" >> /mnt/etc/resolv.conf
|
|
echo "nameserver 1.1.1.1" > /mnt/etc/resolv.conf
|
|
echo "127.0.0.1 localhost.localdomain localhost" > /mnt/etc/hosts
|
|
echo "::1 localhost.localdomain localhost" >> /mnt/etc/hosts
|
|
echo "$openbsd_installurl" > /mnt/etc/installurl
|
|
ln -sf /usr/share/zoneinfo/UTC /mnt/etc/localtime
|
|
|
|
|
|
cat >>/mnt/etc/rc.conf.local <<EOF
|
|
dhcpleased_flags=NO
|
|
pf=NO
|
|
pflogd_flags=NO
|
|
resolvd_flags=NO
|
|
slaacd_flags=NO
|
|
sndiod_flags=NO
|
|
EOF
|
|
|
|
# Install kernel
|
|
cp "$openbsd_kernel" /mnt/bsd
|
|
|
|
cp SHA256.sig /mnt/var/db/installed.SHA256.sig
|
|
sha256 /mnt/bsd | (umask 077; sed 's,/mnt,,' >/mnt/var/db/kernel.SHA256)
|
|
rm -rf /mnt/usr/share/relink/kernel
|
|
mkdir -m 700 /mnt/usr/share/relink/kernel
|
|
tar -C /mnt/usr/share/relink/kernel -xzf /mnt/usr/share/relink/kernel.tgz GENERIC.MP
|
|
rm -f /mnt/usr/share/relink/kernel.tgz
|
|
echo "Relinking kernel"
|
|
chroot /mnt /bin/ksh -e -c "cd /usr/share/relink/kernel/GENERIC.MP; make newbsd; make newinstall" > /dev/null
|
|
|
|
# Update and install utilities.
|
|
chroot /mnt /usr/sbin/pkg_add $pkg_add_params -u
|
|
chroot /mnt /usr/sbin/pkg_add $pkg_add_params bash cloud-agent
|
|
echo '!/usr/local/libexec/cloud-agent "\$if"' > /mnt/etc/hostname.vio0
|
|
|
|
# Remove useless kernel object files. This saves about 300MB of space in the final image
|
|
rm -rf /mnt/usr/share/relink/kernel/GENERIC.MP/
|
|
|
|
# Disable boot wait. Saves 5 seconds
|
|
echo "boot" > /mnt/etc/boot.conf
|
|
|
|
# Dump root filesystem in OS image.
|
|
makefs "/dev/${VIRTUAL_DEVICE}a" /mnt
|
|
growfs -y "/dev/${VIRTUAL_DEVICE}a"
|
|
fsck -y "/dev/${VIRTUAL_DEVICE}a"
|
|
sync
|
|
|
|
# Setup bootloader.
|
|
mount /dev/vnd0a /mnt
|
|
installboot -vr /mnt ${VIRTUAL_DEVICE:?}
|
|
umount /mnt
|
|
|
|
# Convert raw image to qcow.
|
|
vmctl create -i "$IMAGE_PATH" "$IMAGE_PATH.qcow2"
|