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Prepare zfs functions (format is currently a dummy)

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oddlama 2021-04-28 14:56:38 +02:00
parent dd7482da5e
commit 9ebdbfe8a1
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GPG Key ID: 14EFE510775FE39A
2 changed files with 83 additions and 1 deletions
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75
scripts/config.sh
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@ -228,6 +228,22 @@ format() {
DISK_ACTIONS+=("action=format" "$@" ";")
}
# Named arguments:
# ids: List of ids for devices / partitions created earlier. Must contain at least 1 element.
# pool_type: The zfs pool type
# encrypt: Whether or not to encrypt the pool
format_zfs() {
USED_ZFS=true
local known_arguments=('+ids' '?pool_type' '?encrypt')
local extra_arguments=()
declare -A arguments; parse_arguments "$@"
verify_existing_unique_ids ids
DISK_ACTIONS+=("action=format_zfs" "$@" ";")
}
# Named arguments:
# ids: List of ids for devices / partitions created earlier. Must contain at least 1 element.
# label: The label for the formatted disk
@ -318,6 +334,65 @@ create_single_disk_layout() {
die "'create_single_disk_layout' is deprecated, please use 'create_classic_single_disk_layout' instead. It is fully option-compatible to the old version."
}
# Multiple disks, up to 3 partitions on first disk (efi, optional swap, root with zfs).
# Additional devices will be added to the zfs pool.
# Parameters:
# swap=<size> Create a swap partition with given size, or no swap at all if set to false
# type=[efi|bios] Selects the boot type. Defaults to efi if not given.
# encrypt=[true|false] Encrypt zfs pool. Defaults to false if not given.
# pool_type=[stripe|mirror] Select raid type. Defaults to stripe.
create_zfs_centric_layout() {
local known_arguments=('+swap' '?type' '?pool_type' '?encrypt')
local extra_arguments=()
declare -A arguments; parse_arguments "$@"
[[ ${#extra_arguments[@]} -gt 0 ]] \
|| die_trace 1 "Expected at least one positional argument (the devices)"
local device="${extra_arguments[0]}"
local size_swap="${arguments[swap]}"
local pool_type="${arguments[pool_type]:-stripe}"
local type="${arguments[type]}"
local encrypt="${arguments[encrypt]:-false}"
local efi=true
case "$type" in
'bios') efi=false type=bios ;;
'efi'|'') efi=true type=efi ;;
*) die_trace 1 "Invalid argument type=$type, must be one of (bios, efi)" ;;
esac
# Create layout on first disk
create_gpt new_id="gpt_dev0" device="${extra_arguments[0]}"
create_partition new_id="part_${type}_dev0" id="gpt_dev0" size=256MiB type="$type"
[[ $size_swap != "false" ]] \
&& create_partition new_id="part_swap_dev0" id="gpt_dev0" size="$size_swap" type=swap
create_partition new_id="part_root_dev0" id="gpt_dev0" size=remaining type=linux
local root_id="part_root_dev0"
local root_ids="part_root_dev0;"
local dev_id
for i in "${!extra_arguments[@]}"; do
[[ $i != 0 ]] || continue
dev_id="root_dev$i"
create_dummy new_id="$dev_id" device="${extra_arguments[$i]}"
root_ids="${root_ids}$dev_id;"
done
format id="part_${type}_dev0" type="$type" label="$type"
[[ $size_swap != "false" ]] \
&& format id="part_swap_dev0" type=swap label=swap
format_zfs ids="$root_ids" encrypt="$encrypt" pool_type="$pool_type"
if [[ $type == "efi" ]]; then
DISK_ID_EFI="part_${type}_dev0"
else
DISK_ID_BIOS="part_${type}_dev0"
fi
[[ $size_swap != "false" ]] \
&& DISK_ID_SWAP=part_swap_dev0
DISK_ID_ROOT="$root_id"
DISK_ID_ROOT_TYPE="zfs"
}
# Multiple disks, with raid 0 and luks
# - efi: partition on all disks, but only first disk used
# - swap: raid 0 → fs

9
scripts/functions.sh
View File

@ -68,7 +68,6 @@ prepare_installation_environment() {
check_has_program hwclock
check_has_program lsblk
check_has_program ntpd
check_has_program btrfs
check_has_program partprobe
check_has_program python3
check_has_program rhash
@ -76,6 +75,10 @@ prepare_installation_environment() {
check_has_program uuidgen
check_has_program wget
[[ $USED_BTRFS == "true" ]] \
&& check_has_program btrfs
[[ $USED_ZFS == "true" ]] \
&& check_has_program zfs
[[ $USED_RAID == "true" ]] \
&& check_has_program mdadm
[[ $USED_LUKS == "true" ]] \
@ -359,6 +362,9 @@ disk_format() {
esac
}
disk_format_zfs() {
}
disk_format_btrfs() {
local ids="${arguments[ids]}"
local label="${arguments[label]}"
@ -412,6 +418,7 @@ apply_disk_action() {
'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