227 lines
8.2 KiB
Bash
Executable File
227 lines
8.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Generate a PVC autoinstaller ISO via live-build
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# This ISO makes a number of assumptions about the system and asks
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# minimal questions in order to streamline the install process versus
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# using a standard Debian intaller ISO. The end system is suitable
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# for immediate bootstrapping with the PVC Ansible roles.
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fail() {
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echo "$@"
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exit 1
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}
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which lb &>/dev/null || fail "This script requires live-build"
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sudo -n true &>/dev/null || fail "The user running this script must have sudo privileges."
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idir=$( dirname $0 )
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pushd ${idir} &>/dev/null
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show_help() {
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echo -e "PVC install ISO generator"
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echo
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echo -e " Generates a mostly-automated installer ISO for a PVC node base system via lb."
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echo
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echo -e "Usage: $0 [-h] [-o <output_filename>] [-u username] [-a]"
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echo
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echo -e " -h: Display this help message."
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echo -e " -o: Create the ISO as <output_filename> instead of the default."
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echo -e " -u: Change 'deploy' user to a new username."
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echo -e " -c: Change CPU architecture to a new architecture [x86_64/aarch64]."
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echo -e " -m: Change the mirror server (default 'https://mirror.csclub.uwaterloo.ca')."
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echo -e " -a: Preserve live-build artifacts."
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echo -e " -k: Preserve live-build config."
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}
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while [ $# -gt 0 ]; do
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case "${1}" in
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-h|\?)
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show_help
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exit 0
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;;
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-o)
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isofilename="${2}"
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shift 2
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;;
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-u)
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deployusername="${2}"
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shift 2
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;;
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-c)
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current_arch=$( uname -m )
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if [[ ${current_arch} != ${2} ]]; then
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case ${2} in
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x86_64)
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arch="amd64"
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arch_config_append="--architecture amd64 --bootloader grub-efi --bootstrap-qemu-arch amd64 --bootstrap-qemu-static /usr/bin/qemu-x86_64-static"
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;;
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aarch64)
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arch="arm64"
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arch_config_append="--architecture arm64 --bootloader grub-efi --bootstrap-qemu-arch arm64 --bootstrap-qemu-static /usr/bin/qemu-aarch64-static"
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;;
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*)
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echo "Invalid arch: ${2}"
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echo
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show_help
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exit 1
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;;
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esac
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fi
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shift 2
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;;
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-m)
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mirror_server="${2}"
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shift 2
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;;
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-a)
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preserve_artifacts='y'
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shift
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;;
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-k)
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preserve_livebuild='y'
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shift
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;;
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*)
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echo "Invalid option: ${1}"
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echo
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show_help
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exit 1
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;;
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esac
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done
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if [[ -z ${arch} ]]; then
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arch="amd64"
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fi
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if [[ -z ${isofilename} ]]; then
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isofilename="pvc-installer_$(date +%Y-%m-%d)_${arch}.iso"
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fi
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if [[ -z ${deployusername} ]]; then
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deployusername="deploy"
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fi
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if [[ -z ${mirror_server} ]]; then
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mirror_server="https://mirror.csclub.uwaterloo.ca"
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fi
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mkdir -p artifacts/lb
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pushd artifacts/lb &>/dev/null
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echo "Pre-cleaning live-build environment..."
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sudo lb clean
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echo
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echo "Initializing config..."
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# Initialize the live-build config
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lb config \
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--distribution buster \
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--archive-areas "main contrib non-free" \
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--mirror-bootstrap "${mirror_server}/debian" \
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--mirror-chroot-security "${mirror_server}/debian-security" \
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--apt-recommends false \
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${arch_config_append} || fail "Failed to initialize live-build config"
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echo
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# Configure the package lists
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echo -n "Copying package lists... "
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cp ../../templates/installer.list.chroot config/package-lists/installer.list.chroot || fail "Failed to copy critical template file"
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cp ../../templates/installer_${arch}.list.chroot config/package-lists/installer_${arch}.list.chroot || fail "Failed to copy critical template file"
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cp ../../templates/firmware.list.chroot config/package-lists/firmware.list.chroot || fail "Failed to copy critical template file"
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echo "done."
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# Add root password hook
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echo -n "Copying live-boot templates... "
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mkdir -p config/includes.chroot/lib/live/boot/
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cp ../../templates/9990-initramfs-tools.sh config/includes.chroot/lib/live/boot/9990-initramfs-tools.sh || fail "Failed to copy critical template file"
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chmod +x config/includes.chroot/lib/live/boot/9990-initramfs-tools.sh || fail "Failed to copy critical template file"
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mkdir -p config/includes.chroot/lib/live/config/
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cp ../../templates/2000-remove-root-pw.sh config/includes.chroot/lib/live/config/2000-remove-root-pw.sh || fail "Failed to copy critical template file"
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chmod +x config/includes.chroot/lib/live/config/2000-remove-root-pw.sh || fail "Failed to copy critical template file"
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echo "done."
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# Set root bashrc
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echo -n "Copying root bashrc template... "
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mkdir -p config/includes.chroot/root
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cp ../../templates/root.bashrc config/includes.chroot/root/.bashrc || fail "Failed to copy critical template file"
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echo "done."
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# Set hostname and resolv.conf
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echo -n "Copying networking templates... "
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mkdir -p config/includes.chroot/etc
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cp ../../templates/hostname config/includes.chroot/etc/hostname || fail "Failed to copy critical template file"
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cp ../../templates/resolv.conf config/includes.chroot/etc/resolv.conf || fail "Failed to copy critical template file"
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echo "done."
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# Set single vty and autologin
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echo -n "Copying getty templates... "
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mkdir -p config/includes.chroot/etc/systemd/
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cp ../../templates/logind.conf config/includes.chroot/etc/systemd/logind.conf || fail "Failed to copy critical template file"
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mkdir -p config/includes.chroot/etc/systemd/system/getty@.service.d
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cp ../../templates/getty-override.conf config/includes.chroot/etc/systemd/system/getty@.service.d/override.conf || fail "Failed to copy critical template file"
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mkdir -p config/includes.chroot/etc/systemd/system/serial-getty@.service.d
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cp ../../templates/serial-getty-override.conf config/includes.chroot/etc/systemd/system/serial-getty@.service.d/override.conf || fail "Failed to copy critical template file"
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echo "done."
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# Install GRUB config, theme, and splash
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echo -n "Copying GRUB templates... "
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mkdir -p config/includes.chroot/boot/grub
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cp ../../templates/grub.cfg config/includes.chroot/boot/grub/grub.cfg || fail "Failed to copy critical template file"
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cp ../../templates/theme.txt config/includes.chroot/boot/grub/theme.txt || fail "Failed to copy critical template file"
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cp ../../templates/splash.png config/includes.chroot/splash.png || fail "Failed to copy critical template file"
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echo "done."
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# Install module blacklist template
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echo -n "Copying module blacklist template... "
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mkdir -p config/includes.chroot/etc/modprobe.d
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cp ../../templates/blacklist.conf config/includes.chroot/etc/modprobe.d/blacklist.conf || fail "Failed to copy critical template file"
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echo "done."
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# Install module initramfs requirements (Broadcom NICs)
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echo -n "Copying initramfs modules template... "
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mkdir -p config/includes.chroot/etc/initramfs-tools
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cp ../../templates/modules config/includes.chroot/etc/initramfs-tools/modules || fail "Failed to copy critical template file"
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echo "done."
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# Install install.sh script
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echo -n "Copying PVC node installer script template... "
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cp ../../templates/install.sh config/includes.chroot/install.sh || fail "Failed to copy critical template file"
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chmod +x config/includes.chroot/install.sh
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echo "done."
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# Customize install.sh script
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echo -n "Customizing PVC node installer script... "
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sed -i "s/XXDATEXX/$(date)/g" config/includes.chroot/install.sh
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sed -i "s/XXDEPLOYUSERXX/${deployusername}/g" config/includes.chroot/install.sh
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echo "done."
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echo
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# Build the live image
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echo "Building live image..."
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sudo lb build || fail "Failed to build live image"
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echo
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# Move the ISO image out
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echo -n "Copying generated ISO to repository root... "
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cp live-image-${arch}.hybrid.iso ../../${isofilename}
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echo "done."
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# Clean up the artifacts
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if [[ -z ${preserve_artifacts} ]]; then
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echo "Cleaning live-build environment..."
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sudo lb clean
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fi
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popd &>/dev/null
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# Clean up the config
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if [[ -z ${preserve_livebuild} ]]; then
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echo -n "Removing artifacts... "
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sudo rm -rf artifacts/lb
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echo "done."
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fi
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echo
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echo "Build completed. ISO file: ${isofilename}"
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popd &>/dev/null
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