From e93852f96984b9ab7f7d4fd0a11b71766793e165 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Timoth=C3=A9e=20Floure?= Date: Sun, 20 Sep 2020 16:40:44 +0200 Subject: [PATCH] Import alpine & ubuntu images from ungleich-tools --- README.md | 4 + alpine-build-opennebula-image.sh | 179 +++++++++++++++++++++++++++++++ ubuntu-build-opennebula-image.sh | 153 ++++++++++++++++++++++++++ 3 files changed, 336 insertions(+) create mode 100755 alpine-build-opennebula-image.sh create mode 100755 ubuntu-build-opennebula-image.sh diff --git a/README.md b/README.md index b1a74c5..2e3ad5c 100644 --- a/README.md +++ b/README.md @@ -3,3 +3,7 @@ Definition for our OS images. The scripts assume they are running on their target OS (e.g. alpine images assumes alpine, ubuntu image assumes ubuntu, etc.). + +Many scripts are inspired from [ungleich's +definitions](https://code.ungleich.ch/ungleich-public/ungleich-tools) (also +GPLv3). diff --git a/alpine-build-opennebula-image.sh b/alpine-build-opennebula-image.sh new file mode 100755 index 0000000..1ec6f3f --- /dev/null +++ b/alpine-build-opennebula-image.sh @@ -0,0 +1,179 @@ +#!/bin/sh + +# This script generates Alpine images for OpenNebula. +# +# Test image locally (without network) with: +# qemu-system-x86_64 -enable-kvm -m 1G -drive file=$IMAGE,format=qcow2 + +set -e +set -x + +# XXX: Handle command-line arguments? +RELEASE=v3.12 +ARCH=x86_64 +IMAGE_PATH=alpine-$RELEASE-$(date -I).img.qcow2 +IMAGE_SIZE=10G +NBD_DEVICE=/dev/nbd0 +APK_MIRROR=http://dl-2.alpinelinux.org/alpine/ # Mind the trailing / + +ONE_CONTEXT_APK_URL="https://github.com/OpenNebula/addon-context-linux/releases/download/v5.10.0/one-context-5.10.0-r1.apk" +ONE_CONTEXT_APK_PATH=/root/one-context.apk + +cleanup() { + # The order here is important. + umount /mnt/dev/pts 2>/dev/null || true + umount /mnt/dev/shm 2>/dev/null || true + umount /mnt/dev 2>/dev/null || true + umount /mnt/proc 2>/dev/null || true + umount /mnt/run 2>/dev/null || true + umount /mnt/sys 2>/dev/null || true + umount /mnt/boot 2>/dev/null || true + umount /mnt 2>/dev/null || true + qemu-nbd --disconnect "$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 [ "$(lsb_release --short --id)" != "Alpine" ]; then + echo "WARNING: this script has been designed to run on an Alpine system." >&2 + echo "WARNING: Not running Alpine. Giving you 5 seconds to abort." >&2 + sleep 5 +fi + +# Create base QCOW2 image. +qemu-img create -f qcow2 "$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. +run_root setup-timezone -z UTC +if [ "$RELEASE" = "edge" ] +then + cat >/mnt/etc/apk/repositories </mnt/etc/apk/repositories <>/mnt/etc/fstab </mnt/boot/extlinux.conf < "/mnt$ONE_CONTEXT_APK_PATH" +run_root apk add --allow-untrusted "$ONE_CONTEXT_APK_PATH" +run_root rm "$ONE_CONTEXT_APK_PATH" + +# Remove resolvconf: handled by uncloud-init. +run_root rm /etc/resolv.conf + +# Make sure everything is written to disk before exiting. +sync diff --git a/ubuntu-build-opennebula-image.sh b/ubuntu-build-opennebula-image.sh new file mode 100755 index 0000000..6535f66 --- /dev/null +++ b/ubuntu-build-opennebula-image.sh @@ -0,0 +1,153 @@ +#!/bin/sh + +# This script generates Ubuntu images for OpenNebula. +# +# Test image locally (without network) with: +# qemu-system-x86_64 -enable-kvm -m 1G -drive file=$IMAGE,format=qcow2 + +set -e +set -x + +# XXX: Handle command-line arguments? +RELEASE=eoan # 19.10 +ARCH=amd64 +IMAGE_PATH=ubuntu-$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 "$ONE_CONTEXT_DEB_PATH" + +# Manually install legacy network scripts used by one-context. +run_root apt-get -y install ifupdown + +# Initalize base services. +run_root systemd-machine-id-setup + +run_root ln -sf /usr/share/zoneinfo/UTC /etc/localtime +run_root systemctl enable systemd-timesyncd.service + +# Install kernel and bootloader. Do not autoconfigure grub. +run_root echo "grub-pc grub-pc/install_devices_empty boolean true" | debconf-set-selections +run_root DEBIAN_FRONTEND=noninteractive apt-get -y install locales linux-base linux-image-generic grub-pc + +# Configure grub. +run_root grub-install --target=i386-pc "${NBD_DEVICE}" +run_root grub-mkconfig -o /boot/grub/grub.cfg + +# Install en configure SSH daemon. +run_root apt-get -y install openssh-server + +# 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 <