mirror of
https://gitlab.archlinux.org/tpowa/archboot.git
synced 2024-09-20 03:50:37 +02:00
257 lines
12 KiB
Bash
Executable file
257 lines
12 KiB
Bash
Executable file
#!/usr/bin/env bash
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# created by Tobias Powalowski <tpowa@archlinux.org>
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. /etc/archboot/defaults
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. /usr/lib/archboot/common.sh
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_D_SCRIPTS=""
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_L_COMPLETE=""
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_L_INSTALL_COMPLETE=""
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_G_RELEASE=""
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_CONFIG="/etc/archboot/${_RUNNING_ARCH}-update_installer.conf"
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_W_DIR="/archboot"
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_SOURCE="https://gitlab.archlinux.org/tpowa/archboot/-/raw/master"
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_BIN="/usr/bin"
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_ETC="/etc/archboot"
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_LIB="/usr/lib/archboot"
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_INST="/${_LIB}/installer"
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kver() {
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# get kernel version from installed kernel
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[[ "${_RUNNING_ARCH}" == "x86_64" ]] && VMLINUZ="vmlinuz-linux"
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[[ "${_RUNNING_ARCH}" == "aarch64" ]] && VMLINUZ="Image"
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if [[ -f "${VMLINUZ}" ]]; then
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offset=$(hexdump -s 526 -n 2 -e '"%0d"' "${VMLINUZ}")
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read -r _HWKVER _ < <(dd if="/${VMLINUZ}" bs=1 count=127 skip=$(( offset + 0x200 )) 2>/dev/null)
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fi
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# fallback if no detectable kernel is installed
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[[ "${_HWKVER}" == "" ]] && _HWKVER="$(uname -r)"
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}
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zram_mount() {
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# add defaults
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_ZRAM_ALGORITHM=${_ZRAM_ALGORITHM:-"zstd"}
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# disable kernel messages on aarch64
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[[ "${_RUNNING_ARCH}" == "aarch64" ]] && echo 0 >/proc/sys/kernel/printk
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modprobe zram
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echo "${_ZRAM_ALGORITHM}" >/sys/block/zram0/comp_algorithm
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echo "${1}" >/sys/block/zram0/disksize
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echo "Creating btrfs filesystem with ${_DISKSIZE} on /dev/zram0 ..." > /dev/tty7
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mkfs.btrfs -q --mixed /dev/zram0 > /dev/tty7 2>&1
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mkdir "${_W_DIR}"
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# use -o discard for RAM cleaning on delete
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# (online fstrimming the block device!)
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# fstrim <mountpoint> for manual action
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# it needs some seconds to get RAM free on delete!
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mount -o discard /dev/zram0 "${_W_DIR}"
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}
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clean_archboot() {
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# remove everything not necessary
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rm -rf "/usr/lib/firmware"
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rm -rf "/usr/lib/modules"
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rm -rf /usr/lib/{libicu*,libstdc++*}
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_SHARE_DIRS="archboot efitools file grub hwdata kbd licenses lshw nmap nano openvpn pacman refind systemd tc usb_modeswitch vim zoneinfo"
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for i in ${_SHARE_DIRS}; do
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#shellcheck disable=SC2115
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rm -rf "/usr/share/${i}"
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done
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}
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usage () {
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echo -e "\033[1mUpdate installer, launch latest environment or create latest image files:\033[0m"
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echo -e "\033[1m-------------------------------------------------------------------------\033[0m"
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echo -e "\033[1mPARAMETERS:\033[0m"
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echo -e " \033[1m-u\033[0m Update scripts: setup, quickinst, tz, km and helpers."
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echo -e ""
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echo -e " \033[1m-latest\033[0m Launch latest archboot environment (using kexec)."
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echo -e " This operation needs at least \033[1m1.9 GB RAM\033[0m."
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echo ""
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echo -e " \033[1m-latest-install\033[0m Launch latest archboot environment with downloaded"
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echo -e " package cache (using kexec)."
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echo -e " This operation needs at least \033[1m2.6 GB RAM\033[0m."
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echo ""
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echo -e " \033[1m-latest-image\033[0m Generate latest image files in /archboot directory"
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echo -e " This operation needs at least \033[1m3.5 GB RAM\033[0m."
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echo ""
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echo -e " \033[1m-h\033[0m This message."
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exit 0
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}
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[[ -z "${1}" ]] && usage
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while [ $# -gt 0 ]; do
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case ${1} in
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-u|--u) _D_SCRIPTS="1" ;;
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-latest|--latest) _L_COMPLETE="1" ;;
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-latest-install|--latest-install) _L_INSTALL_COMPLETE="1";;
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-latest-image|--latest-image) _G_RELEASE="1" ;;
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-h|--h|?) usage ;;
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*) usage ;;
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esac
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shift
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done
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if [[ ! "$(cat /etc/hostname)" == "archboot" ]]; then
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echo "This script should only be run in booted archboot environment. Aborting..."
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exit 1
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fi
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# Download latest setup and quickinst script from git repository
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if [[ "${_D_SCRIPTS}" == "1" ]]; then
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echo -e "\033[1mStart:\033[0m Downloading latest km, tz, quickinst, setup and helpers..."
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[[ -d "${_INST}" ]] || mkdir "${_INST}"
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wget -q "${_SOURCE}${_ETC}/defaults?inline=false" -O "${_ETC}/defaults"
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wget -q "${_SOURCE}${_BIN}/archboot-quickinst.sh?inline=false" -O "${_BIN}/quickinst"
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wget -q "${_SOURCE}${_BIN}/archboot-setup.sh?inline=false" -O "${_BIN}/setup"
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wget -q "${_SOURCE}${_BIN}/archboot-km.sh?inline=false" -O "${_BIN}/km"
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wget -q "${_SOURCE}${_BIN}/archboot-tz.sh?inline=false" -O "${_BIN}/tz"
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wget -q "${_SOURCE}${_BIN}/archboot-copy-mountpoint.sh?inline=false" -O "${_BIN}/copy-mountpoint.sh"
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wget -q "${_SOURCE}${_BIN}/archboot-rsync-backup.sh?inline=false" -O "${_BIN}/rsync-backup.sh"
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wget -q "${_SOURCE}${_BIN}/archboot-restore-usbstick.sh?inline=false" -O "${_BIN}/restore-usbstick.sh"
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wget -q "${_SOURCE}${_BIN}/archboot-${_RUNNING_ARCH}-create-container.sh?inline=false" -O "${_BIN}/archboot-${_RUNNING_ARCH}-create-container.sh"
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wget -q "${_SOURCE}${_BIN}/archboot-${_RUNNING_ARCH}-release.sh?inline=false" -O "${_BIN}/archboot-${_RUNNING_ARCH}-release.sh"
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wget -q "${_SOURCE}${_BIN}/archboot-binary-check.sh?inline=false" -O "${_BIN}/archboot-binary-check.sh"
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wget -q "${_SOURCE}${_BIN}/archboot-update-installer.sh?inline=false" -O "${_BIN}/update-installer.sh"
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wget -q "${_SOURCE}${_BIN}/archboot-secureboot-keys.sh?inline=false" -O "${_BIN}/secureboot-keys.sh"
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wget -q "${_SOURCE}${_BIN}/archboot-mkkeys.sh?inline=false" -O "${_BIN}/mkkeys.sh"
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wget -q "${_SOURCE}${_LIB}/common.sh?inline=false" -O "${_LIB}/common.sh"
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wget -q "${_SOURCE}${_LIB}/container.sh?inline=false" -O "${_LIB}/container.sh"
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wget -q "${_SOURCE}${_LIB}/release.sh?inline=false" -O "${_LIB}/release.sh"
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wget -q "${_SOURCE}${_LIB}/iso.sh?inline=false" -O "${_LIB}/iso.sh"
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wget -q "${_SOURCE}${_INST}/autoconfiguration.sh?inline=false" -O "${_INST}/autoconfiguration.sh"
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wget -q "${_SOURCE}${_INST}/autoprepare.sh?inline=false" -O "${_INST}/autoprepare.sh"
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wget -q "${_SOURCE}${_INST}/base.sh?inline=false" -O "${_INST}/base.sh"
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wget -q "${_SOURCE}${_INST}/blockdevices.sh?inline=false" -O "${_INST}/blockdevices.sh"
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wget -q "${_SOURCE}${_INST}/bootloader.sh?inline=false" -O "${_INST}/bootloader.sh"
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wget -q "${_SOURCE}${_INST}/btrfs.sh?inline=false" -O "${_INST}/btrfs.sh"
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wget -q "${_SOURCE}${_INST}/common.sh?inline=false" -O "${_INST}/common.sh"
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wget -q "${_SOURCE}${_INST}/configuration.sh?inline=false" -O "${_INST}/configuration.sh"
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wget -q "${_SOURCE}${_INST}/mountpoints.sh?inline=false" -O "${_INST}/mountpoints.sh"
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wget -q "${_SOURCE}${_INST}/network.sh?inline=false" -O "${_INST}/network.sh"
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wget -q "${_SOURCE}${_INST}/pacman.sh?inline=false" -O "${_INST}/pacman.sh"
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wget -q "${_SOURCE}${_INST}/partition.sh?inline=false" -O "${_INST}/partition.sh"
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wget -q "${_SOURCE}${_INST}/storage.sh?inline=false" -O "${_INST}/storage.sh"
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echo -e "\033[1mFinished:\033[0m Downloading scripts done."
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exit 0
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fi
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echo -e "\033[1mInformation:\033[0m Logging is done on \033[1m/dev/tty7\033[0m ..."
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# Generate new environment and launch it with kexec
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if [[ "${_L_COMPLETE}" == "1" || "${_L_INSTALL_COMPLETE}" == "1" ]]; then
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if [[ -f /.update-installer ]]; then
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echo -e "\033[91mAborting:\033[0m"
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echo "update-installer.sh is already running on other tty ..."
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echo "If you are absolutly sure it's not running, you need to remove /.update-installer"
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exit 1
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fi
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touch /.update-installer
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_ZRAM_SIZE=${_ZRAM_SIZE:-"3G"}
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zram_mount "${_ZRAM_SIZE}"
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echo -e "\033[1mStep 1/9:\033[0m Removing not necessary files from / ..."
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clean_archboot
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echo -e "\033[1mStep 2/9:\033[0m Waiting for gpg pacman keyring import to finish ..."
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while pgrep -x gpg > /dev/null 2>&1; do
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sleep 1
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done
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[[ "${_RUNNING_ARCH}" == "x86_64" ]] && systemctl stop pacman-init.service
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[[ "${_RUNNING_ARCH}" == "aarch64" ]] && systemctl stop pacman-init-arm.service
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echo -e "\033[1mStep 3/9:\033[0m Generating archboot container in ${_W_DIR} ..."
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echo " This will need some time ..."
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# create container without package cache
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if [[ "${_L_COMPLETE}" == "1" ]]; then
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"archboot-${_RUNNING_ARCH}-create-container.sh" "${_W_DIR}" -cc -cp >/dev/tty7 2>&1 || exit 1
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fi
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# create container with package cache
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if [[ -e /var/cache/pacman/pkg/archboot.db ]]; then
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# offline mode, for local image
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# add the db too on reboot
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install -D -m644 /var/cache/pacman/pkg/archboot.db /archboot/var/cache/pacman/pkg/archboot.db
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if [[ "${_L_INSTALL_COMPLETE}" == "1" ]]; then
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"archboot-${_RUNNING_ARCH}-create-container.sh" "${_W_DIR}" -cc --install-source=file:///var/cache/pacman/pkg >/dev/tty7 2>&1 || exit 1
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fi
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else
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#online mode
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if [[ "${_L_INSTALL_COMPLETE}" == "1" ]]; then
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"archboot-${_RUNNING_ARCH}-create-container.sh" "${_W_DIR}" -cc >/dev/tty7 2>&1 || exit 1
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mv "${_W_DIR}"/var/cache/pacman/pkg /var/cache/pacman/
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fi
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fi
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kver
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echo -e "\033[1mStep 4/9:\033[0m Moving kernel ${VMLINUZ} to /${VMLINUZ} ..."
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mv "${_W_DIR}"/boot/${VMLINUZ} / || exit 1
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echo -e "\033[1mStep 5/9:\033[0m Collect initramfs files in ${_W_DIR} ..."
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echo " This will need some time ..."
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# add fix for mkinitcpio 31, remove when 32 is released
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cp "${_W_DIR}"/usr/share/archboot/patches/31-mkinitcpio.fixed "${_W_DIR}"/usr/bin/mkinitcpio
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cp "${_W_DIR}"/usr/share/archboot/patches/31-initcpio.functions.fixed "${_W_DIR}"/usr/lib/initcpio/functions
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# write initramfs to "${_W_DIR}"/tmp
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systemd-nspawn -D "${_W_DIR}" /bin/bash -c "umount tmp;mkinitcpio -k ${_HWKVER} -c ${_CONFIG} -d /tmp" >/dev/tty7 2>&1 || exit 1
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#mv "${_W_DIR}/tmp" /initrd || exit 1
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echo -e "\033[1mStep 6/9:\033[0m Cleanup ${_W_DIR} ..."
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find "${_W_DIR}"/. -mindepth 1 -maxdepth 1 ! -name 'tmp' ! -name "${VMLINUZ}" -exec rm -rf {} \;
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# 10 seconds for getting free RAM
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sleep 10
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echo -e "\033[1mStep 7/9:\033[0m Create initramfs /initrd.img ..."
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echo " This will need some time ..."
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# move cache back to initramfs directory in online mode
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if ! [[ -e /var/cache/pacman/pkg/archboot.db ]]; then
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if [[ "${_L_INSTALL_COMPLETE}" == "1" ]]; then
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if [[ -d /var/cache/pacman/pkg ]]; then
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mv /var/cache/pacman/pkg ${_W_DIR}/tmp/var/cache/pacman/
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fi
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fi
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fi
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#from /usr/bin/mkinitpcio.conf
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# compress image with zstd
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cd "${_W_DIR}"/tmp || exit 1
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find . -mindepth 1 -printf '%P\0' | sort -z |
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bsdtar --uid 0 --gid 0 --null -cnf - -T - |
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bsdtar --null -cf - --format=newc @- | zstd -T0 -10> /initrd.img
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for i in $(find . -mindepth 1 -type f | sort); do
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rm "${i}" >/dev/null 2>&1
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done
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while pgreg -x bsdtar >/dev/null 2>&1; do
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sleep 1
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done
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echo -e "\033[1mStep 8/9:\033[0m Cleanup ${_W_DIR} ..."
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cd /
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umount ${_W_DIR}
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echo 1 > /sys/block/zram0/reset
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sleep 5
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# unload virtio-net to avoid none functional network device on aarch64
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cat /proc/modules | grep -qw virtio_net && rmmod virtio_net
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echo -e "\033[1mStep 9/9:\033[0m Loading files through kexec into kernel now ..."
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# load kernel and initrds into running kernel in background mode!
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kexec -l /"${VMLINUZ}" --initrd="/initrd.img" --reuse-cmdline&
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# wait 1 seconds for getting a complete initramfs
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# remove kernel and initrd to save RAM for kexec in background
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sleep 2
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rm /{initrd.img,${VMLINUZ}}
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while pgrep -x kexec >/dev/null 2>&1; do
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sleep 1
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done
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echo -e "\033[1mFinished:\033[0m Rebooting in a few seconds ..."
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# don't show active prompt wait for kexec to be launched
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# UEFI kexec call
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while true; do
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if [[ -e "/sys/firmware/efi" ]]; then
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systemctl kexec 2>/dev/null
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else
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# BIOS kexec call
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kexec -e 2>/dev/null
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fi
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sleep 1
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done
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fi
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# Generate new images
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if [[ "${_G_RELEASE}" == "1" ]]; then
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_ZRAM_IMAGE_SIZE=${_ZRAM_IMAGE_SIZE:-"5G"}
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zram_mount "${_ZRAM_IMAGE_SIZE}"
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echo -e "\033[1mStep 1/2:\033[0m Removing not necessary files from / ..."
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clean_archboot
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echo -e "\033[1mStep 2/2:\033[0m Generating new iso files in ${_W_DIR} now ..."
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echo " This will need some time ..."
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"archboot-${_RUNNING_ARCH}-release.sh" "${_W_DIR}" >/dev/tty7 2>&1 || exit 1
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echo -e "\033[1mFinished:\033[0m New isofiles are located in ${_W_DIR}"
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fi
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