1001 lines
29 KiB
Bash
1001 lines
29 KiB
Bash
# shellcheck source=./scripts/protection.sh
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source "$GENTOO_INSTALL_REPO_DIR/scripts/protection.sh" || exit 1
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################################################
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# Functions
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function sync_time() {
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einfo "Syncing time"
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try ntpd -g -q
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einfo "Current date: $(LANG=C date)"
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einfo "Writing time to hardware clock"
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hwclock --systohc --utc \
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|| die "Could not save time to hardware clock"
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}
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function check_config() {
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[[ $KEYMAP =~ ^[0-9A-Za-z-]*$ ]] \
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|| die "KEYMAP contains invalid characters"
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if [[ "$SYSTEMD" == "true" ]]; then
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[[ "$STAGE3_BASENAME" == *systemd* ]] \
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|| die "Using systemd requires a systemd stage3 archive!"
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else
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[[ "$STAGE3_BASENAME" != *systemd* ]] \
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|| die "Using OpenRC requires a non-systemd stage3 archive!"
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fi
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# Check hostname per RFC1123
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local hostname_regex='^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])$'
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[[ $HOSTNAME =~ $hostname_regex ]] \
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|| die "'$HOSTNAME' is not a valid hostname"
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[[ -v "DISK_ID_ROOT" && -n $DISK_ID_ROOT ]] \
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|| die "You must assign DISK_ID_ROOT"
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[[ -v "DISK_ID_EFI" && -n $DISK_ID_EFI ]] || [[ -v "DISK_ID_BIOS" && -n $DISK_ID_BIOS ]] \
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|| die "You must assign DISK_ID_EFI or DISK_ID_BIOS"
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[[ -v "DISK_ID_BIOS" ]] && [[ ! -v "DISK_ID_TO_UUID[$DISK_ID_BIOS]" ]] \
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&& die "Missing uuid for DISK_ID_BIOS, have you made sure it is used?"
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[[ -v "DISK_ID_EFI" ]] && [[ ! -v "DISK_ID_TO_UUID[$DISK_ID_EFI]" ]] \
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&& die "Missing uuid for DISK_ID_EFI, have you made sure it is used?"
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[[ -v "DISK_ID_SWAP" ]] && [[ ! -v "DISK_ID_TO_UUID[$DISK_ID_SWAP]" ]] \
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&& die "Missing uuid for DISK_ID_SWAP, have you made sure it is used?"
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[[ -v "DISK_ID_ROOT" ]] && [[ ! -v "DISK_ID_TO_UUID[$DISK_ID_ROOT]" ]] \
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&& die "Missing uuid for DISK_ID_ROOT, have you made sure it is used?"
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if [[ -v "DISK_ID_EFI" ]]; then
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IS_EFI=true
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else
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IS_EFI=false
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fi
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}
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function preprocess_config() {
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disk_configuration
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# Check encryption key if used
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[[ $USED_ENCRYPTION == "true" ]] \
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&& check_encryption_key
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check_config
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}
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function prepare_installation_environment() {
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maybe_exec 'before_prepare_environment'
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einfo "Preparing installation environment"
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local wanted_programs=(
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gpg
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hwclock
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lsblk
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ntpd
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partprobe
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python3
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"?rhash"
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sha512sum
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sgdisk
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uuidgen
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wget
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)
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[[ $USED_BTRFS == "true" ]] \
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&& wanted_programs+=(btrfs)
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[[ $USED_ZFS == "true" ]] \
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&& wanted_programs+=(zfs)
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[[ $USED_RAID == "true" ]] \
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&& wanted_programs+=(mdadm)
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[[ $USED_LUKS == "true" ]] \
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&& wanted_programs+=(cryptsetup)
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# Check for existence of required programs
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check_wanted_programs "${wanted_programs[@]}"
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# Sync time now to prevent issues later
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sync_time
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maybe_exec 'after_prepare_environment'
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}
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function check_encryption_key() {
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if [[ -z "${GENTOO_INSTALL_ENCRYPTION_KEY+set}" ]]; then
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elog "You have enabled encryption, but haven't specified a key in the environment variable GENTOO_INSTALL_ENCRYPTION_KEY."
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if ask "Do you want to enter an encryption key now?"; then
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local encryption_key_1
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local encryption_key_2
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while true; do
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flush_stdin
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IFS="" read -s -r -p "Enter encryption key: " encryption_key_1 \
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|| die "Error in read"
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echo
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[[ ${#encryption_key_1} -ge 8 ]] \
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|| { ewarn "Your encryption key must be at least 8 characters long."; continue; }
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flush_stdin
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IFS="" read -s -r -p "Repeat encryption key: " encryption_key_2 \
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|| die "Error in read"
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echo
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[[ "$encryption_key_1" == "$encryption_key_2" ]] \
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|| { ewarn "Encryption keys mismatch."; continue; }
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break
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done
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export GENTOO_INSTALL_ENCRYPTION_KEY="$encryption_key_1"
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else
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die "Please export GENTOO_INSTALL_ENCRYPTION_KEY with the desired key."
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fi
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fi
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[[ ${#GENTOO_INSTALL_ENCRYPTION_KEY} -ge 8 ]] \
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|| die "Your encryption key must be at least 8 characters long."
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}
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function add_summary_entry() {
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local parent="$1"
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local id="$2"
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local name="$3"
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local hint="$4"
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local desc="$5"
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local ptr
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case "$id" in
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"${DISK_ID_BIOS-__unused__}") ptr="[1;32m← bios[m" ;;
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"${DISK_ID_EFI-__unused__}") ptr="[1;32m← efi[m" ;;
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"${DISK_ID_SWAP-__unused__}") ptr="[1;34m← swap[m" ;;
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"${DISK_ID_ROOT-__unused__}") ptr="[1;33m← root[m" ;;
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# \x1f characters compensate for printf byte count and unicode character count mismatch due to '←'
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*) ptr="[1;32m[m$(echo -e "\x1f\x1f")" ;;
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esac
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summary_tree[$parent]+=";$id"
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summary_name[$id]="$name"
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summary_hint[$id]="$hint"
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summary_ptr[$id]="$ptr"
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summary_desc[$id]="$desc"
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}
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function summary_color_args() {
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for arg in "$@"; do
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if [[ -v "arguments[$arg]" ]]; then
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printf '%-28s ' "[1;34m$arg[2m=[m${arguments[$arg]}"
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fi
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done
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}
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function disk_existing() {
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local new_id="${arguments[new_id]}"
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if [[ ${disk_action_summarize_only-false} == "true" ]]; then
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add_summary_entry __root__ "$new_id" "${arguments[device]}" "(no-format, existing)" ""
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fi
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# no-op;
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}
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function disk_create_gpt() {
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local new_id="${arguments[new_id]}"
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if [[ ${disk_action_summarize_only-false} == "true" ]]; then
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if [[ -v arguments[id] ]]; then
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add_summary_entry "${arguments[id]}" "$new_id" "gpt" "" ""
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else
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add_summary_entry __root__ "$new_id" "${arguments[device]}" "(gpt)" ""
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fi
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return 0
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fi
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local device
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local device_desc=""
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if [[ -v arguments[id] ]]; then
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device="$(resolve_device_by_id "${arguments[id]}")"
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device_desc="$device ($id)"
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else
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device="${arguments[device]}"
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device_desc="$device"
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fi
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local ptuuid="${DISK_ID_TO_UUID[$new_id]}"
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einfo "Creating new gpt partition table ($new_id) on $device_desc"
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wipefs --quiet --all --force "$device" \
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|| die "Could not erase previous file system signatures from '$device'"
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sgdisk -Z -U "$ptuuid" "$device" >/dev/null \
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|| die "Could not create new gpt partition table ($new_id) on '$device'"
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partprobe "$device"
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}
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function disk_create_partition() {
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local new_id="${arguments[new_id]}"
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local id="${arguments[id]}"
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local size="${arguments[size]}"
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local type="${arguments[type]}"
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if [[ ${disk_action_summarize_only-false} == "true" ]]; then
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add_summary_entry "$id" "$new_id" "part" "($type)" "$(summary_color_args size)"
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return 0
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fi
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if [[ $size == "remaining" ]]; then
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arg_size=0
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else
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arg_size="+$size"
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fi
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local device
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device="$(resolve_device_by_id "$id")" \
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|| die "Could not resolve device with id=$id"
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local partuuid="${DISK_ID_TO_UUID[$new_id]}"
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local extra_args=""
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case "$type" in
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'bios') type='ef02' extra_args='--attributes=0:set:2';;
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'efi') type='ef00' ;;
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'swap') type='8200' ;;
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'raid') type='fd00' ;;
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'luks') type='8309' ;;
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'linux') type='8300' ;;
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*) ;;
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esac
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einfo "Creating partition ($new_id) with type=$type, size=$size on $device"
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# shellcheck disable=SC2086
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sgdisk -n "0:0:$arg_size" -t "0:$type" -u "0:$partuuid" $extra_args "$device" >/dev/null \
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|| die "Could not create new gpt partition ($new_id) on '$device' ($id)"
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partprobe "$device"
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# On some system, we need to wait a bit for the partition to show up.
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local new_device
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new_device="$(resolve_device_by_id "$new_id")" \
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|| die "Could not resolve new device with id=$new_id"
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for i in {1..10}; do
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[[ -e "$new_device" ]] && break
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[[ "$i" -eq 1 ]] && printf "Waiting for partition (%s) to appear..." "$new_device"
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printf " %s" "$((10 - i + 1))"
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sleep 1
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[[ "$i" -eq 10 ]] && echo
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done
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}
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function disk_create_raid() {
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local new_id="${arguments[new_id]}"
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local level="${arguments[level]}"
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local name="${arguments[name]}"
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local ids="${arguments[ids]}"
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if [[ ${disk_action_summarize_only-false} == "true" ]]; then
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local id
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# Splitting is intentional here
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# shellcheck disable=SC2086
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for id in ${ids//';'/ }; do
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add_summary_entry "$id" "_$new_id" "raid$level" "" "$(summary_color_args name)"
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done
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add_summary_entry __root__ "$new_id" "raid$level" "" "$(summary_color_args name)"
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return 0
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fi
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local devices_desc=""
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local devices=()
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local extra_args=()
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local id
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local dev
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# Splitting is intentional here
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# shellcheck disable=SC2086
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for id in ${ids//';'/ }; do
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dev="$(resolve_device_by_id "$id")" \
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|| die "Could not resolve device with id=$id"
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devices+=("$dev")
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devices_desc+="$dev ($id), "
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done
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devices_desc="${devices_desc:0:-2}"
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local mddevice="/dev/md/$name"
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local uuid="${DISK_ID_TO_UUID[$new_id]}"
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extra_args=()
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if [[ ${level} == 1 ]]; then
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extra_args+=("--metadata=1.0")
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else
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extra_args+=("--metadata=1.2")
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fi
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einfo "Creating raid$level ($new_id) on $devices_desc"
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mdadm \
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--create "$mddevice" \
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--verbose \
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--homehost="$HOSTNAME" \
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"${extra_args[@]}" \
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--raid-devices="${#devices[@]}" \
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--uuid="$uuid" \
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--level="$level" \
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"${devices[@]}" \
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|| die "Could not create raid$level array '$mddevice' ($new_id) on $devices_desc"
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}
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function disk_create_luks() {
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local new_id="${arguments[new_id]}"
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local name="${arguments[name]}"
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if [[ ${disk_action_summarize_only-false} == "true" ]]; then
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if [[ -v arguments[id] ]]; then
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add_summary_entry "${arguments[id]}" "$new_id" "luks" "" ""
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else
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add_summary_entry __root__ "$new_id" "${arguments[device]}" "(luks)" ""
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fi
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return 0
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fi
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local device
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local device_desc=""
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if [[ -v arguments[id] ]]; then
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device="$(resolve_device_by_id "${arguments[id]}")"
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device_desc="$device ($id)"
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else
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device="${arguments[device]}"
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device_desc="$device"
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fi
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local uuid="${DISK_ID_TO_UUID[$new_id]}"
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einfo "Creating luks ($new_id) on $device_desc"
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cryptsetup luksFormat \
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--type luks2 \
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--uuid "$uuid" \
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--key-file <(echo -n "$GENTOO_INSTALL_ENCRYPTION_KEY") \
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--cipher aes-xts-plain64 \
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--hash sha512 \
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--pbkdf argon2id \
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--iter-time 4000 \
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--key-size 512 \
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--batch-mode \
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"$device" \
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|| die "Could not create luks on $device_desc"
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mkdir -p "$LUKS_HEADER_BACKUP_DIR" \
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|| die "Could not create luks header backup dir '$LUKS_HEADER_BACKUP_DIR'"
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local header_file="$LUKS_HEADER_BACKUP_DIR/luks-header-$id-${uuid,,}.img"
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[[ ! -e $header_file ]] \
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|| rm "$header_file" \
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|| die "Could not remove old luks header backup file '$header_file'"
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cryptsetup luksHeaderBackup "$device" \
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--header-backup-file "$header_file" \
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|| die "Could not backup luks header on $device_desc"
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cryptsetup open --type luks2 \
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--key-file <(echo -n "$GENTOO_INSTALL_ENCRYPTION_KEY") \
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"$device" "$name" \
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|| die "Could not open luks encrypted device $device_desc"
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}
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function disk_create_dummy() {
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local new_id="${arguments[new_id]}"
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local device="${arguments[device]}"
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if [[ ${disk_action_summarize_only-false} == "true" ]]; then
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add_summary_entry __root__ "$new_id" "$device" "" ""
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return 0
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fi
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}
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function init_btrfs() {
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local device="$1"
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local desc="$2"
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mkdir -p /btrfs \
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|| die "Could not create /btrfs directory"
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mount "$device" /btrfs \
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|| die "Could not mount $desc to /btrfs"
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btrfs subvolume create /btrfs/root \
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|| die "Could not create btrfs subvolume /root on $desc"
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btrfs subvolume set-default /btrfs/root \
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|| die "Could not set default btrfs subvolume to /root on $desc"
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umount /btrfs \
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|| die "Could not unmount btrfs on $desc"
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}
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function disk_format() {
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local id="${arguments[id]}"
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local type="${arguments[type]}"
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local label="${arguments[label]}"
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if [[ ${disk_action_summarize_only-false} == "true" ]]; then
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add_summary_entry "${arguments[id]}" "__fs__${arguments[id]}" "${arguments[type]}" "(fs)" "$(summary_color_args label)"
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return 0
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fi
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local device
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device="$(resolve_device_by_id "$id")" \
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|| die "Could not resolve device with id=$id"
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einfo "Formatting $device ($id) with $type"
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wipefs --quiet --all --force "$device" \
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|| die "Could not erase previous file system signatures from '$device' ($id)"
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case "$type" in
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'bios'|'efi')
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if [[ -v "arguments[label]" ]]; then
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mkfs.fat -F 32 -n "$label" "$device" \
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|| die "Could not format device '$device' ($id)"
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else
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mkfs.fat -F 32 "$device" \
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|| die "Could not format device '$device' ($id)"
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fi
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;;
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'swap')
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if [[ -v "arguments[label]" ]]; then
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mkswap -L "$label" "$device" \
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|| die "Could not format device '$device' ($id)"
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else
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mkswap "$device" \
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|| die "Could not format device '$device' ($id)"
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fi
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# Try to swapoff in case the system enabled swap automatically
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swapoff "$device" &>/dev/null
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;;
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'ext4')
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if [[ -v "arguments[label]" ]]; then
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mkfs.ext4 -q -L "$label" "$device" \
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|| die "Could not format device '$device' ($id)"
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else
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mkfs.ext4 -q "$device" \
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|| die "Could not format device '$device' ($id)"
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fi
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;;
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'btrfs')
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if [[ -v "arguments[label]" ]]; then
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mkfs.btrfs -q -L "$label" "$device" \
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|| die "Could not format device '$device' ($id)"
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else
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mkfs.btrfs -q "$device" \
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|| die "Could not format device '$device' ($id)"
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fi
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init_btrfs "$device" "'$device' ($id)"
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;;
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*) die "Unknown filesystem type" ;;
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esac
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}
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# This function will be called when a custom zfs pool type has been chosen.
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# $1: either 'true' or 'false' determining if the datasets should be encrypted
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# $2: either 'false' or a value determining the dataset compression algorithm
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# $3: a string describing all device paths (for error messages)
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# $@: device paths
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function format_zfs_standard() {
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local encrypt="$1"
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local compress="$2"
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local device_desc="$3"
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shift 3
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local devices=("$@")
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local extra_args=()
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einfo "Creating zfs pool on $devices_desc"
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local zfs_stdin=""
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if [[ "$encrypt" == true ]]; then
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extra_args+=(
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"-O" "encryption=aes-256-gcm"
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"-O" "keyformat=passphrase"
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"-O" "keylocation=prompt"
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)
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zfs_stdin="$GENTOO_INSTALL_ENCRYPTION_KEY"
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fi
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# dnodesize=legacy might be needed for GRUB2, but auto is preferred for xattr=sa.
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zpool create \
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-R "$ROOT_MOUNTPOINT" \
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-o ashift=12 \
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-O acltype=posix \
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-O atime=off \
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-O xattr=sa \
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-O dnodesize=auto \
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-O mountpoint=none \
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||
-O canmount=noauto \
|
||
-O devices=off \
|
||
"${extra_args[@]}" \
|
||
rpool \
|
||
"${devices[@]}" \
|
||
<<< "$zfs_stdin" \
|
||
|| die "Could not create zfs pool on $devices_desc"
|
||
|
||
if [[ "$compress" != false ]]; then
|
||
zfs set "compression=$compress" rpool \
|
||
|| die "Could enable compression on dataset 'rpool'"
|
||
fi
|
||
zfs create rpool/ROOT \
|
||
|| die "Could not create zfs dataset 'rpool/ROOT'"
|
||
zfs create -o mountpoint=/ rpool/ROOT/default \
|
||
|| die "Could not create zfs dataset 'rpool/ROOT/default'"
|
||
zpool set bootfs=rpool/ROOT/default rpool \
|
||
|| die "Could not set zfs property bootfs on rpool"
|
||
}
|
||
|
||
function disk_format_zfs() {
|
||
local ids="${arguments[ids]}"
|
||
local pool_type="${arguments[pool_type]}"
|
||
local encrypt="${arguments[encrypt]-false}"
|
||
local compress="${arguments[compress]-false}"
|
||
if [[ ${disk_action_summarize_only-false} == "true" ]]; then
|
||
local id
|
||
# Splitting is intentional here
|
||
# shellcheck disable=SC2086
|
||
for id in ${ids//';'/ }; do
|
||
add_summary_entry "$id" "__fs__$id" "zfs" "(fs)" "$(summary_color_args label)"
|
||
done
|
||
return 0
|
||
fi
|
||
|
||
local devices_desc=""
|
||
local devices=()
|
||
local id
|
||
local dev
|
||
# Splitting is intentional here
|
||
# shellcheck disable=SC2086
|
||
for id in ${ids//';'/ }; do
|
||
dev="$(resolve_device_by_id "$id")" \
|
||
|| die "Could not resolve device with id=$id"
|
||
devices+=("$dev")
|
||
devices_desc+="$dev ($id), "
|
||
done
|
||
devices_desc="${devices_desc:0:-2}"
|
||
|
||
wipefs --quiet --all --force "${devices[@]}" \
|
||
|| die "Could not erase previous file system signatures from $devices_desc"
|
||
|
||
if [[ "$pool_type" == "custom" ]]; then
|
||
format_zfs_custom "$devices_desc" "${devices[@]}"
|
||
else
|
||
format_zfs_standard "$encrypt" "$compress" "$devices_desc" "${devices[@]}"
|
||
fi
|
||
}
|
||
|
||
function disk_format_btrfs() {
|
||
local ids="${arguments[ids]}"
|
||
local label="${arguments[label]}"
|
||
local raid_type="${arguments[raid_type]}"
|
||
if [[ ${disk_action_summarize_only-false} == "true" ]]; then
|
||
local id
|
||
# Splitting is intentional here
|
||
# shellcheck disable=SC2086
|
||
for id in ${ids//';'/ }; do
|
||
add_summary_entry "$id" "__fs__$id" "btrfs" "(fs)" "$(summary_color_args label)"
|
||
done
|
||
return 0
|
||
fi
|
||
|
||
local devices_desc=""
|
||
local devices=()
|
||
local id
|
||
local dev
|
||
# Splitting is intentional here
|
||
# shellcheck disable=SC2086
|
||
for id in ${ids//';'/ }; do
|
||
dev="$(resolve_device_by_id "$id")" \
|
||
|| die "Could not resolve device with id=$id"
|
||
devices+=("$dev")
|
||
devices_desc+="$dev ($id), "
|
||
done
|
||
devices_desc="${devices_desc:0:-2}"
|
||
|
||
wipefs --quiet --all --force "${devices[@]}" \
|
||
|| die "Could not erase previous file system signatures from $devices_desc"
|
||
|
||
# Collect extra arguments
|
||
extra_args=()
|
||
if [[ "${#devices}" -gt 1 ]] && [[ -v "arguments[raid_type]" ]]; then
|
||
extra_args+=("-d" "$raid_type")
|
||
fi
|
||
|
||
if [[ -v "arguments[label]" ]]; then
|
||
extra_args+=("-L" "$label")
|
||
fi
|
||
|
||
einfo "Creating btrfs on $devices_desc"
|
||
mkfs.btrfs -q "${extra_args[@]}" "${devices[@]}" \
|
||
|| die "Could not create btrfs on $devices_desc"
|
||
|
||
init_btrfs "${devices[0]}" "btrfs array ($devices_desc)"
|
||
}
|
||
|
||
function apply_disk_action() {
|
||
unset known_arguments
|
||
unset arguments; declare -A arguments; parse_arguments "$@"
|
||
case "${arguments[action]}" in
|
||
'existing') disk_existing ;;
|
||
'create_gpt') disk_create_gpt ;;
|
||
'create_partition') disk_create_partition ;;
|
||
'create_raid') disk_create_raid ;;
|
||
'create_luks') disk_create_luks ;;
|
||
'create_dummy') disk_create_dummy ;;
|
||
'format') disk_format ;;
|
||
'format_zfs') disk_format_zfs ;;
|
||
'format_btrfs') disk_format_btrfs ;;
|
||
*) echo "Ignoring invalid action: ${arguments[action]}" ;;
|
||
esac
|
||
}
|
||
|
||
function print_summary_tree_entry() {
|
||
local indent_chars=""
|
||
local indent="0"
|
||
local d="1"
|
||
local maxd="$((depth - 1))"
|
||
while [[ $d -lt $maxd ]]; do
|
||
if [[ ${summary_depth_continues[$d]} == "true" ]]; then
|
||
indent_chars+='│ '
|
||
else
|
||
indent_chars+=' '
|
||
fi
|
||
indent=$((indent + 2))
|
||
d="$((d + 1))"
|
||
done
|
||
if [[ $maxd -gt 0 ]]; then
|
||
if [[ ${summary_depth_continues[$maxd]} == "true" ]]; then
|
||
indent_chars+='├─'
|
||
else
|
||
indent_chars+='└─'
|
||
fi
|
||
indent=$((indent + 2))
|
||
fi
|
||
|
||
local name="${summary_name[$root]}"
|
||
local hint="${summary_hint[$root]}"
|
||
local desc="${summary_desc[$root]}"
|
||
local ptr="${summary_ptr[$root]}"
|
||
local id_name="[2m[m"
|
||
if [[ $root != __* ]]; then
|
||
if [[ $root == _* ]]; then
|
||
id_name="[2m${root:1}[m"
|
||
else
|
||
id_name="[2m${root}[m"
|
||
fi
|
||
fi
|
||
|
||
local align=0
|
||
if [[ $indent -lt 33 ]]; then
|
||
align="$((33 - indent))"
|
||
fi
|
||
|
||
elog "$indent_chars$(printf "%-${align}s %-47s %s" \
|
||
"$name [2m$hint[m" \
|
||
"$id_name $ptr" \
|
||
"$desc")"
|
||
}
|
||
|
||
function print_summary_tree() {
|
||
local root="$1"
|
||
local depth="$((depth + 1))"
|
||
local has_children=false
|
||
|
||
if [[ -v "summary_tree[$root]" ]]; then
|
||
local children="${summary_tree[$root]}"
|
||
has_children=true
|
||
summary_depth_continues[$depth]=true
|
||
else
|
||
summary_depth_continues[$depth]=false
|
||
fi
|
||
|
||
if [[ $root != __root__ ]]; then
|
||
print_summary_tree_entry "$root"
|
||
fi
|
||
|
||
if [[ $has_children == "true" ]]; then
|
||
local count
|
||
count="$(tr ';' '\n' <<< "$children" | grep -c '\S')" \
|
||
|| count=0
|
||
local idx=0
|
||
# Splitting is intentional here
|
||
# shellcheck disable=SC2086
|
||
for id in ${children//';'/ }; do
|
||
idx="$((idx + 1))"
|
||
[[ $idx == "$count" ]] \
|
||
&& summary_depth_continues[$depth]=false
|
||
print_summary_tree "$id"
|
||
# separate blocks by newline
|
||
[[ ${summary_depth_continues[0]} == "true" ]] && [[ $depth == 1 ]] && [[ $idx == "$count" ]] \
|
||
&& elog
|
||
done
|
||
fi
|
||
}
|
||
|
||
function apply_disk_actions() {
|
||
local param
|
||
local current_params=()
|
||
for param in "${DISK_ACTIONS[@]}"; do
|
||
if [[ $param == ';' ]]; then
|
||
apply_disk_action "${current_params[@]}"
|
||
current_params=()
|
||
else
|
||
current_params+=("$param")
|
||
fi
|
||
done
|
||
}
|
||
|
||
function summarize_disk_actions() {
|
||
elog "[1mCurrent lsblk output:[m"
|
||
for_line_in <(lsblk \
|
||
|| die "Error in lsblk") elog
|
||
|
||
local disk_action_summarize_only=true
|
||
declare -A summary_tree
|
||
declare -A summary_name
|
||
declare -A summary_hint
|
||
declare -A summary_ptr
|
||
declare -A summary_desc
|
||
declare -A summary_depth_continues
|
||
apply_disk_actions
|
||
|
||
local depth=-1
|
||
elog
|
||
elog "[1mConfigured disk layout:[m"
|
||
elog ────────────────────────────────────────────────────────────────────────────────
|
||
elog "$(printf '%-26s %-28s %s' NODE ID OPTIONS)"
|
||
elog ────────────────────────────────────────────────────────────────────────────────
|
||
print_summary_tree __root__
|
||
elog ────────────────────────────────────────────────────────────────────────────────
|
||
}
|
||
|
||
function apply_disk_configuration() {
|
||
summarize_disk_actions
|
||
|
||
if [[ $NO_PARTITIONING_OR_FORMATTING == true ]]; then
|
||
elog "You have chosen an existing disk configuration. No devices will"
|
||
elog "actually be re-partitioned or formatted. Please make sure that all"
|
||
elog "devices are already formatted."
|
||
else
|
||
ewarn "Please ensure that all selected devices are fully unmounted and are"
|
||
ewarn "not otherwise in use by the system. This includes stopping mdadm arrays"
|
||
ewarn "and closing opened luks volumes if applicable for all relevant devices."
|
||
ewarn "Otherwise, automatic partitioning may fail."
|
||
fi
|
||
ask "Do you really want to apply this disk configuration?" \
|
||
|| die "Aborted"
|
||
countdown "Applying in " 5
|
||
|
||
maybe_exec 'before_disk_configuration'
|
||
|
||
einfo "Applying disk configuration"
|
||
apply_disk_actions
|
||
|
||
einfo "Disk configuration was applied successfully"
|
||
elog "[1mNew lsblk output:[m"
|
||
for_line_in <(lsblk \
|
||
|| die "Error in lsblk") elog
|
||
|
||
maybe_exec 'after_disk_configuration'
|
||
}
|
||
|
||
function mount_efivars() {
|
||
# Skip if already mounted
|
||
mountpoint -q -- "/sys/firmware/efi/efivars" \
|
||
&& return
|
||
|
||
# Mount efivars
|
||
einfo "Mounting efivars"
|
||
mount -t efivarfs efivarfs "/sys/firmware/efi/efivars" \
|
||
|| die "Could not mount efivarfs"
|
||
}
|
||
|
||
function mount_by_id() {
|
||
local dev
|
||
local id="$1"
|
||
local mountpoint="$2"
|
||
|
||
# Skip if already mounted
|
||
mountpoint -q -- "$mountpoint" \
|
||
&& return
|
||
|
||
# Mount device
|
||
einfo "Mounting device with id=$id to '$mountpoint'"
|
||
mkdir -p "$mountpoint" \
|
||
|| die "Could not create mountpoint directory '$mountpoint'"
|
||
dev="$(resolve_device_by_id "$id")" \
|
||
|| die "Could not resolve device with id=$id"
|
||
mount "$dev" "$mountpoint" \
|
||
|| die "Could not mount device '$dev'"
|
||
}
|
||
|
||
function mount_root() {
|
||
if [[ $USED_ZFS == "true" ]] && ! mountpoint -q -- "$ROOT_MOUNTPOINT"; then
|
||
die "Error: Expected zfs to be mounted under '$ROOT_MOUNTPOINT', but it isn't."
|
||
else
|
||
mount_by_id "$DISK_ID_ROOT" "$ROOT_MOUNTPOINT"
|
||
fi
|
||
}
|
||
|
||
function bind_repo_dir() {
|
||
# Use new location by default
|
||
export GENTOO_INSTALL_REPO_DIR="$GENTOO_INSTALL_REPO_BIND"
|
||
|
||
# Bind the repo dir to a location in /tmp,
|
||
# so it can be accessed from within the chroot
|
||
mountpoint -q -- "$GENTOO_INSTALL_REPO_BIND" \
|
||
&& return
|
||
|
||
# Mount root device
|
||
einfo "Bind mounting repo directory"
|
||
mkdir -p "$GENTOO_INSTALL_REPO_BIND" \
|
||
|| die "Could not create mountpoint directory '$GENTOO_INSTALL_REPO_BIND'"
|
||
mount --bind "$GENTOO_INSTALL_REPO_DIR_ORIGINAL" "$GENTOO_INSTALL_REPO_BIND" \
|
||
|| die "Could not bind mount '$GENTOO_INSTALL_REPO_DIR_ORIGINAL' to '$GENTOO_INSTALL_REPO_BIND'"
|
||
}
|
||
|
||
function download_stage3() {
|
||
cd "$TMP_DIR" \
|
||
|| die "Could not cd into '$TMP_DIR'"
|
||
|
||
local STAGE3_RELEASES="$GENTOO_MIRROR/releases/$GENTOO_ARCH/autobuilds/current-$STAGE3_BASENAME/"
|
||
|
||
# Download upstream list of files
|
||
CURRENT_STAGE3="$(download_stdout "$STAGE3_RELEASES")" \
|
||
|| die "Could not retrieve list of tarballs"
|
||
# Decode urlencoded strings
|
||
CURRENT_STAGE3=$(python3 -c 'import sys, urllib.parse; print(urllib.parse.unquote(sys.stdin.read()))' <<< "$CURRENT_STAGE3")
|
||
# Parse output for correct filename
|
||
CURRENT_STAGE3="$(grep -o "\"${STAGE3_BASENAME}-[0-9A-Z]*.tar.xz\"" <<< "$CURRENT_STAGE3" \
|
||
| sort -u | head -1)" \
|
||
|| die "Could not parse list of tarballs"
|
||
# Strip quotes
|
||
CURRENT_STAGE3="${CURRENT_STAGE3:1:-1}"
|
||
# File to indiciate successful verification
|
||
CURRENT_STAGE3_VERIFIED="${CURRENT_STAGE3}.verified"
|
||
|
||
maybe_exec 'before_download_stage3' "$STAGE3_BASENAME"
|
||
|
||
# Download file if not already downloaded
|
||
if [[ -e $CURRENT_STAGE3_VERIFIED ]]; then
|
||
einfo "$STAGE3_BASENAME tarball already downloaded and verified"
|
||
else
|
||
einfo "Downloading $STAGE3_BASENAME tarball"
|
||
download "$STAGE3_RELEASES/${CURRENT_STAGE3}" "${CURRENT_STAGE3}"
|
||
download "$STAGE3_RELEASES/${CURRENT_STAGE3}.DIGESTS" "${CURRENT_STAGE3}.DIGESTS"
|
||
|
||
# Import gentoo keys
|
||
einfo "Importing gentoo gpg key"
|
||
local GENTOO_GPG_KEY="$TMP_DIR/gentoo-keys.gpg"
|
||
download "https://gentoo.org/.well-known/openpgpkey/hu/wtktzo4gyuhzu8a4z5fdj3fgmr1u6tob?l=releng" "$GENTOO_GPG_KEY" \
|
||
|| die "Could not retrieve gentoo gpg key"
|
||
gpg --quiet --import < "$GENTOO_GPG_KEY" \
|
||
|| die "Could not import gentoo gpg key"
|
||
|
||
# Verify DIGESTS signature
|
||
einfo "Verifying tarball signature"
|
||
gpg --quiet --verify "${CURRENT_STAGE3}.DIGESTS" \
|
||
|| die "Signature of '${CURRENT_STAGE3}.DIGESTS' invalid!"
|
||
|
||
# Check hashes
|
||
einfo "Verifying tarball integrity"
|
||
# Replace any absolute paths in the digest file with just the stage3 basename, so it will be found by rhash
|
||
digest_line=$(grep 'tar.xz$' "${CURRENT_STAGE3}.DIGESTS" | sed -e 's/ .*stage3-/ stage3-/')
|
||
if type rhash &>/dev/null; then
|
||
rhash -P --check <(echo "# SHA512"; echo "$digest_line") \
|
||
|| die "Checksum mismatch!"
|
||
else
|
||
sha512sum --check <<< "$digest_line" \
|
||
|| die "Checksum mismatch!"
|
||
fi
|
||
|
||
# Create verification file in case the script is restarted
|
||
touch_or_die 0644 "$CURRENT_STAGE3_VERIFIED"
|
||
fi
|
||
|
||
maybe_exec 'after_download_stage3' "${CURRENT_STAGE3}"
|
||
}
|
||
|
||
function extract_stage3() {
|
||
mount_root
|
||
|
||
[[ -n $CURRENT_STAGE3 ]] \
|
||
|| die "CURRENT_STAGE3 is not set"
|
||
[[ -e "$TMP_DIR/$CURRENT_STAGE3" ]] \
|
||
|| die "stage3 file does not exist"
|
||
|
||
maybe_exec 'before_extract_stage3' "$TMP_DIR/$CURRENT_STAGE3" "$ROOT_MOUNTPOINT"
|
||
|
||
# Go to root directory
|
||
cd "$ROOT_MOUNTPOINT" \
|
||
|| die "Could not move to '$ROOT_MOUNTPOINT'"
|
||
# Ensure the directory is empty
|
||
find . -mindepth 1 -maxdepth 1 -not -name 'lost+found' \
|
||
| grep -q . \
|
||
&& die "root directory '$ROOT_MOUNTPOINT' is not empty"
|
||
|
||
# Extract tarball
|
||
einfo "Extracting stage3 tarball"
|
||
tar xpf "$TMP_DIR/$CURRENT_STAGE3" --xattrs --numeric-owner \
|
||
|| die "Error while extracting tarball"
|
||
cd "$TMP_DIR" \
|
||
|| die "Could not cd into '$TMP_DIR'"
|
||
|
||
maybe_exec 'after_extract_stage3' "$TMP_DIR/$CURRENT_STAGE3" "$ROOT_MOUNTPOINT"
|
||
}
|
||
|
||
function gentoo_umount() {
|
||
if mountpoint -q -- "$ROOT_MOUNTPOINT"; then
|
||
einfo "Unmounting root filesystem"
|
||
umount -R -l "$ROOT_MOUNTPOINT" \
|
||
|| die "Could not unmount filesystems"
|
||
fi
|
||
}
|
||
|
||
function init_bash() {
|
||
source /etc/profile
|
||
umask 0077
|
||
export PS1='(chroot) \[[0;31m\]\u\[[1;31m\]@\h \[[1;34m\]\w \[[m\]\$ \[[m\]'
|
||
}; export -f init_bash
|
||
|
||
function env_update() {
|
||
env-update \
|
||
|| die "Error in env-update"
|
||
source /etc/profile \
|
||
|| die "Could not source /etc/profile"
|
||
umask 0077
|
||
}
|
||
|
||
function mkdir_or_die() {
|
||
# shellcheck disable=SC2174
|
||
mkdir -m "$1" -p "$2" \
|
||
|| die "Could not create directory '$2'"
|
||
}
|
||
|
||
function touch_or_die() {
|
||
touch "$2" \
|
||
|| die "Could not touch '$2'"
|
||
chmod "$1" "$2"
|
||
}
|
||
|
||
# $1: root directory
|
||
# $@: command...
|
||
function gentoo_chroot() {
|
||
if [[ $# -eq 1 ]]; then
|
||
einfo "To later unmount all virtual filesystems, simply use umount -l ${1@Q}"
|
||
gentoo_chroot "$1" /bin/bash --init-file <(echo 'init_bash')
|
||
fi
|
||
|
||
[[ ${EXECUTED_IN_CHROOT-false} == "false" ]] \
|
||
|| die "Already in chroot"
|
||
|
||
local chroot_dir="$1"
|
||
shift
|
||
|
||
# Bind repo directory to tmp
|
||
bind_repo_dir
|
||
|
||
# Copy resolv.conf
|
||
einfo "Preparing chroot environment"
|
||
install --mode=0644 /etc/resolv.conf "$chroot_dir/etc/resolv.conf" \
|
||
|| die "Could not copy resolv.conf"
|
||
|
||
# Mount virtual filesystems
|
||
einfo "Mounting virtual filesystems"
|
||
(
|
||
mountpoint -q -- "$chroot_dir/proc" || mount -t proc /proc "$chroot_dir/proc" || exit 1
|
||
mountpoint -q -- "$chroot_dir/run" || {
|
||
mount --rbind /run "$chroot_dir/run" &&
|
||
mount --make-rslave "$chroot_dir/run"; } || exit 1
|
||
mountpoint -q -- "$chroot_dir/tmp" || {
|
||
mount --rbind /tmp "$chroot_dir/tmp" &&
|
||
mount --make-rslave "$chroot_dir/tmp"; } || exit 1
|
||
mountpoint -q -- "$chroot_dir/sys" || {
|
||
mount --rbind /sys "$chroot_dir/sys" &&
|
||
mount --make-rslave "$chroot_dir/sys"; } || exit 1
|
||
mountpoint -q -- "$chroot_dir/dev" || {
|
||
mount --rbind /dev "$chroot_dir/dev" &&
|
||
mount --make-rslave "$chroot_dir/dev"; } || exit 1
|
||
) || die "Could not mount virtual filesystems"
|
||
|
||
# Cache lsblk output, because it doesn't work correctly in chroot (returns almost no info for devices, e.g. empty uuids)
|
||
cache_lsblk_output
|
||
|
||
# Execute command
|
||
einfo "Chrooting..."
|
||
EXECUTED_IN_CHROOT=true \
|
||
TMP_DIR="$TMP_DIR" \
|
||
CACHED_LSBLK_OUTPUT="$CACHED_LSBLK_OUTPUT" \
|
||
exec chroot -- "$chroot_dir" "$GENTOO_INSTALL_REPO_DIR/scripts/dispatch_chroot.sh" "$@" \
|
||
|| die "Failed to chroot into '$chroot_dir'."
|
||
}
|
||
|
||
function enable_service() {
|
||
if [[ $SYSTEMD == "true" ]]; then
|
||
try systemctl enable "$1"
|
||
else
|
||
try rc-update add "$1" default
|
||
fi
|
||
}
|