#!/bin/sh # This script generates openSUSE images for OpenNebula. # # Run locally (without network) with: # qemu-system-x86_64 -enable-kvm -m 1G -drive file=$IMAGE,format=qcow2 set -e set -x # XXX: Handle command-line arguments? RELEASE=leap RELEASE_VERSION=15.3 IMAGE_PATH=opensuse-${RELEASE}${RELEASE_VERSION}-$(date -I).img.qcow2 IMAGE_SIZE=10G NBD_DEVICE=/dev/nbd1 # TODO: find the package definition and built ourself, publish in some RPM repository. ONE_CONTEXT_RPM_URL="https://github.com/OpenNebula/addon-context-linux/releases/download/v5.12.0.2/one-context-5.12.0.2-1.suse.noarch.rpm" ONE_CONTEXT_RPM_PATH=/root/one-context.rpm 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)" != "openSUSE" ]; then echo "WARNING: this script has been designed to run on an openSUSE system." >&2 echo "WARNING: Not running openSUSE. Giving you 5 seconds to abort." >&2 sleep 5 fi repo_addr=http://download.opensuse.org case "$RELEASE" in leap) distribution_slice=$RELEASE/$RELEASE_VERSION oss_repo_url="${repo_addr}/distribution/${distribution_slice}/repo/oss" ;; tumbleweed) distribution_slice=$RELEASE oss_repo_url="${repo_addr}/${distribution_slice}/repo/oss" ;; *) echo "Unkown openSUSE release: $RELEASE." >&2 exit 1 ;; esac oss_update_repo_url="${repo_addr}/update/${distribution_slice}/oss" # Create base QCOW2 image. qemu-img create -f qcow2 "$IMAGE_PATH" "$IMAGE_SIZE" modprobe nbd max_part=16 qemu-nbd --connect="$NBD_DEVICE" "$IMAGE_PATH" # Don't forget to cleanup, even if the script crash. trap cleanup EXIT # Create partition table, format partitions. sfdisk --no-reread "$NBD_DEVICE" < /mnt/etc/hosts << EOF 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 EOF # Install (magic?) one-context RPM and hope things works as expected. curl -L "$ONE_CONTEXT_RPM_URL" > "/mnt$ONE_CONTEXT_RPM_PATH" run_root zypper -n --no-gpg-checks install "$ONE_CONTEXT_RPM_PATH" run_root rm "$ONE_CONTEXT_RPM_PATH" # Install resize2fs, which is required to resize the root file-system. run_root zypper -n install e2fsprogs # 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 haveged due to lack of entropy in ONE environment. run_root zypper -n install haveged run_root systemctl enable haveged.service # Install kernel and bootloader. run_root zypper -n install kernel-default grub2 # Add support for virtio block devices at boot time. cat > /mnt/etc/dracut.conf.d/virtio-blk.conf <>/mnt/etc/fstab <