[ONE images] refresh fedora image, add rocky image build script
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commit
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2 changed files with 186 additions and 13 deletions
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@ -18,14 +18,14 @@ set -e
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set -x
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# XXX: Handle command-line arguments?
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RELEASE=36
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RELEASE=39
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ARCH=x86_64
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IMAGE_PATH=fedora-$RELEASE-$(date +%+F).img.qcow2
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IMAGE_SIZE=10G
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NBD_DEVICE=/dev/nbd1
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NBD_DEVICE=/dev/nbd0
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# TODO: find the package definition and built ourself, publish in some RPM repository.
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ONE_CONTEXT_RPM_URL="https://github.com/OpenNebula/addon-context-linux/releases/download/v5.10.0/one-context-5.10.0-1.el8.noarch.rpm"
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ONE_CONTEXT_RPM_URL="https://github.com/OpenNebula/one-apps/releases/download/v6.8.1/one-context-6.8.1-1.el9.noarch.rpm"
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ONE_CONTEXT_RPM_PATH=/root/one-context.rpm
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cleanup() {
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@ -90,7 +90,7 @@ dnf -y \
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--enablerepo=fedora \
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--enablerepo=updates install \
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--setopt=install_weak_deps=False \
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basesystem systemd systemd-udev passwd dnf fedora-release glibc-langpack-en.x86_64
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basesystem systemd systemd-udev passwd dnf fedora-release glibc-langpack-en
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mount --bind /dev /mnt/dev
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mount --bind /dev/pts /mnt/dev/pts
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@ -100,12 +100,7 @@ mount --bind /run /mnt/run
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mount --bind /sys /mnt/sys
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# Guest networking is to be handled by the one-context package.
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# See https://github.com/OpenNebula/addon-context-linux for details.
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# Note: as of writing, one-context does not support NetworkManager or
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# systemd-networkd.
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# Required to resolve package mirror in chroot.
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cp /etc/resolv.conf /mnt/etc/resolv.conf
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# See https://github.com/OpenNebula/one-apps for details.
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# Initialize /etc/hosts.
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cat > /mnt/etc/hosts << EOF
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@ -114,9 +109,9 @@ cat > /mnt/etc/hosts << EOF
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EOF
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# See https://github.com/OpenNebula/addon-context-linux/issues/121 for details.
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# network-scripts.x86_64 : Legacy scripts for manipulating of network devices
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run_root dnf -y install network-scripts
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# Install and enable NetworkManager.
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run_root dnf -y install NetworkManager
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run_root systemctl enable NetworkManager
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# Install (magic?) one-context RPM and hope things works as expected.
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curl -L "$ONE_CONTEXT_RPM_URL" > "/mnt$ONE_CONTEXT_RPM_PATH"
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@ -168,6 +163,7 @@ EOF
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run_root rm -f /etc/machine-id
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run_root touch /etc/machine-id
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rm -f /var/lib/systemd/random-seed
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run_root hostnamectl set-hostname fedora
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# Remove temporary files and reclaim freed disk space.
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# Note: build logs could be removed as well.
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177
opennebula-images/rocky-build-opennebula-image.sh
Executable file
177
opennebula-images/rocky-build-opennebula-image.sh
Executable file
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@ -0,0 +1,177 @@
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#!/bin/sh
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# This script generates Rocky Linux images for OpenNebula.
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# Depends on the following packages (as of Fedora 31):
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# qemu-img util-linux coreutils dnf curl e2fsprogs
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# Run locally (without network) with:
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# qemu-system-x86_64 -enable-kvm -m 1G -drive file=$IMAGE,format=qcow2
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set -e
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set -x
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# XXX: Handle command-line arguments?
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RELEASE=9.3
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ARCH=x86_64
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IMAGE_PATH=rocky-$RELEASE-$(date +%+F).img.qcow2
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IMAGE_SIZE=10G
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NBD_DEVICE=/dev/nbd0
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ONE_CONTEXT_RPM_URL="https://github.com/OpenNebula/one-apps/releases/download/v6.8.1/one-context-6.8.1-1.el9.noarch.rpm"
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ONE_CONTEXT_RPM_PATH=/root/one-context.rpm
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cleanup() {
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# The order here is important.
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umount /mnt/dev/pts 2>/dev/null || true
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umount /mnt/dev/shm 2>/dev/null || true
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umount /mnt/dev 2>/dev/null || true
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umount /mnt/proc 2>/dev/null || true
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umount /mnt/run 2>/dev/null || true
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umount /mnt/sys 2>/dev/null || true
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umount /mnt/boot 2>/dev/null || true
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umount /mnt 2>/dev/null || true
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qemu-nbd --disconnect "$NBD_DEVICE" || true
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}
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run_root() {
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chroot /mnt /usr/bin/env \
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PATH=/sbin:/usr/sbin:/bin:/usr/bin \
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sh -c "$*"
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}
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if [ "$(whoami)" != 'root' ]; then
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echo "This script must be run as root." >&2
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exit 1
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fi
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if [ ! -f '/etc/fedora-release' ]; then
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echo "WARNING: this script has been designed to run on a Fedora system." >&2
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echo "WARNING: Not running Fedora. Giving you 5 seconds to abort." >&2
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sleep 5
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fi
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# Create base QCOW2 image.
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qemu-img create -f qcow2 "$IMAGE_PATH" "$IMAGE_SIZE"
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modprobe nbd max_part=16
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qemu-nbd --connect="$NBD_DEVICE" "$IMAGE_PATH"
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# Don't forget to cleanup, even if the script crash.
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trap cleanup EXIT
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# Create partition table, format partitions.
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sfdisk --no-reread "$NBD_DEVICE" <<EOF
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1M,500M,L,*
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,,L
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EOF
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mkfs.ext4 "${NBD_DEVICE}p1"
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mkfs.ext4 "${NBD_DEVICE}p2"
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# Mount partitions, install base OS.
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# Note: we could use the @Core package group but it pulls quite a lot of
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# 'unwanted' dependencies. Run `dnf group info Core` for details.
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mount "${NBD_DEVICE}p2" /mnt
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mkdir /mnt/boot
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mount "${NBD_DEVICE}p1" /mnt/boot
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# Add --setopt=reposdir=rpm-repositories if you do not run on CentOS 7.
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dnf -y \
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--releasever=$RELEASE \
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--setopt=reposdir=rpm-repositories/rocky/ \
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--installroot=/mnt \
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--disablerepo='*' \
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--enablerepo=baseos \
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--enablerepo=appstream \
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--enablerepo=extras \
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install \
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basesystem dnf systemd systemd-udev passwd glibc-langpack-en rocky-release
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mount --bind /dev /mnt/dev
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mount --bind /dev/pts /mnt/dev/pts
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mount --bind /dev/shm /mnt/dev/shm
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mount --bind /proc /mnt/proc
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mount --bind /run /mnt/run
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mount --bind /sys /mnt/sys
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# Initialize /etc/hosts.
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cat > /mnt/etc/hosts << EOF
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127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
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::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
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EOF
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# Required to resolve package mirror in chroot.
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cp /etc/resolv.conf /mnt/etc/resolv.conf
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# Re-run dnf/install hooks that couldn't be executed in initial call.
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# Install a few extra dependencies.
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run_root dnf -y --releasever $RELEASE install rocky-release epel-release
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# Set locale.
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run_root localectl set-locale LANG=en_GB.UTF-8
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# Install and enable NetworkManager.
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# Guest networking is to be handled by the one-context package.
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# See https://github.com/OpenNebula/one-apps for details.
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run_root dnf install -y NetworkManager
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run_root systemctl enable NetworkManager
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# Install (magic?) one-context RPM and hope things works as expected.
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curl -L "$ONE_CONTEXT_RPM_URL" > "/mnt$ONE_CONTEXT_RPM_PATH"
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run_root dnf -y install "$ONE_CONTEXT_RPM_PATH"
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run_root rm "$ONE_CONTEXT_RPM_PATH"
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# Install resize2fs, which is required to resize the root file-system.
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run_root dnf -y install e2fsprogs
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# Initalize base services.
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run_root systemd-machine-id-setup
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run_root ln -sf /usr/share/zoneinfo/UTC /etc/localtime
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#run_root systemctl enable systemd-timesyncd.service
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# Install haveged due to lack of entropy in ONE environment.
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run_root dnf -y install haveged
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run_root systemctl enable haveged.service
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# Install kernel and bootloader.
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# Note: linux-firmware is not required our environment and takes almost 200M
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# uncompressed but is a direct dependency of kernel-core...
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run_root dnf -y install kernel grub2
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# Add support for virtio block devices at boot time.
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cat > /mnt/etc/dracut.conf.d/virtio-blk.conf <<EOF
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add_drivers="virtio-blk"
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EOF
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kernel_version=$(ls /mnt/boot | grep "vmlinuz.*.$ARCH" | cut -d- -f2-)
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run_root dracut --force --kver $kernel_version
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# Configure grub2.
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run_root grub2-install --target=i386-pc "${NBD_DEVICE}"
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run_root grub2-mkconfig -o /boot/grub2/grub.cfg
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# Install en configure SSH daemon.
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run_root dnf -y install openssh-server
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run_root systemctl enable sshd
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# Generate fstab file.
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boot_uuid=$(blkid --match-tag UUID --output value "${NBD_DEVICE}p1")
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root_uuid=$(blkid --match-tag UUID --output value "${NBD_DEVICE}p2")
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cat >>/mnt/etc/fstab <<EOF
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UUID=$boot_uuid /boot ext4 rw,relatime,data=ordered 0 2
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UUID=$root_uuid / ext4 rw,relatime,data=ordered 0 1
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EOF
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# Reset systemd's environment.
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run_root rm -f /etc/machine-id
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run_root touch /etc/machine-id
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rm -f /var/lib/systemd/random-seed
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run_root hostnamectl set-hostname rocky
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# Remove temporary files and reclaim freed disk space.
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# Note: build logs could be removed as well.
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run_root dnf clean all
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# Make sure everything is written to disk before exiting.
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sync
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