diff --git a/opennebula-images/debian-build-opennebula-image.sh b/opennebula-images/debian-build-opennebula-image.sh new file mode 100755 index 0000000..17dc1e3 --- /dev/null +++ b/opennebula-images/debian-build-opennebula-image.sh @@ -0,0 +1,164 @@ +#!/bin/sh + +# This script generates Debian images for OpenNebula. +# +# Test image locally (without network) with: +# qemu-system-x86_64 -enable-kvm -m 1G -drive file=$IMAGE,format=qcow2 + +set -e +set -x + +# XXX: Handle command-line arguments? +RELEASE=buster # 10.X +ARCH=amd64 +IMAGE_PATH=debian-$RELEASE-$(date --iso-8601).img.qcow2 +IMAGE_SIZE=10G +NBD_DEVICE=/dev/nbd0 + +# TODO: find the package definition and built ourself, publish in some RPM repository. +ONE_CONTEXT_DEB_URL="https://github.com/OpenNebula/addon-context-linux/releases/download/v5.10.0/one-context_5.10.0-1.deb" +ONE_CONTEXT_DEB_PATH=/root/one-context.deb + +cleanup() { + # The order here is important. + umount /mnt/dev/pts 2>/dev/null || true + umount /mnt/dev/shm 2>/dev/null || true + umount /mnt/dev 2>/dev/null || true + umount /mnt/proc 2>/dev/null || true + umount /mnt/run 2>/dev/null || true + umount /mnt/sys 2>/dev/null || true + umount /mnt/boot 2>/dev/null || true + umount /mnt 2>/dev/null || true + qemu-nbd --disconnect "$NBD_DEVICE" || true +} + +run_root() { + chroot /mnt /usr/bin/env \ + PATH=/sbin:/usr/sbin:/bin:/usr/bin \ + sh -c "$*" +} + +if [ "$(whoami)" != 'root' ]; then + echo "This script must be run as root." >&2 + exit 1 +fi + +if [ $(lsb_release --short --id) != "Ubuntu" ]; then + echo "WARNING: this script has been designed to run on an Ubuntu system." >&2 + echo "WARNING: Not running Ubuntu. Giving you 5 seconds to abort." >&2 + sleep 5 +fi + +# Create base QCOW2 image. +qemu-img create -f qcow2 "$IMAGE_PATH" "$IMAGE_SIZE" +modprobe nbd max_part=16 +qemu-nbd --connect="$NBD_DEVICE" "$IMAGE_PATH" + +# Wait for qemu-nbd to settle. +sleep 1 + +# Don't forget to cleanup, even if the script crash. +trap cleanup EXIT + +# Create partition table, format partitions. +sfdisk --no-reread "$NBD_DEVICE" < /mnt/etc/hosts << EOF +127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 +::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 + +EOF + +# Configure package sources and update package index. +cat >/mnt/etc/apt/sources.list < "/mnt$ONE_CONTEXT_DEB_PATH" +run_root apt-get -y install "$ONE_CONTEXT_DEB_PATH" +run_root rm "$ONE_CONTEXT_DEB_PATH" + +# Manually install legacy network scripts used by one-context. +run_root apt-get -y install ifupdown + +# Initalize base services. +run_root systemd-machine-id-setup + +run_root ln -sf /usr/share/zoneinfo/UTC /etc/localtime +run_root systemctl enable systemd-timesyncd.service + +# Install kernel and bootloader. Do not autoconfigure grub. +run_root 'echo "grub-pc grub-pc/install_devices_empty boolean true" | debconf-set-selections' +run_root DEBIAN_FRONTEND=noninteractive apt-get -y install locales linux-image-amd64 grub-pc + +# Configure grub. +run_root grub-install --target=i386-pc "${NBD_DEVICE}" +run_root grub-mkconfig -o /boot/grub/grub.cfg + +# Install en configure SSH daemon. +run_root apt-get -y install openssh-server + +# Install haveged due to lack of entropy in ONE environment. +run_root apt-get -y install haveged +run_root systemctl enable haveged.service + +# Generate fstab file. +boot_uuid=$(blkid --match-tag UUID --output value "${NBD_DEVICE}p1") +root_uuid=$(blkid --match-tag UUID --output value "${NBD_DEVICE}p2") +cat >>/mnt/etc/fstab <