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Manually save and restore mapped ids and devices

This commit is contained in:
oddlama 2020-04-23 17:42:23 +02:00
parent 2274c3f7c2
commit f40334f9be
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GPG Key ID: 88EA325D51D53908
3 changed files with 28 additions and 13 deletions
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5
scripts/functions.sh
View File

@ -411,6 +411,11 @@ print_summary_tree() {
}
apply_disk_actions() {
# Clean old resolved ids
rm -rf "$RESOLVABLE_MAP_DIR" &>/dev/null
unset DISK_ID_TO_RESOLVABLE; declare -A -g DISK_ID_TO_RESOLVABLE
unset DISK_UUID_TO_DEVICE; declare -A -g DISK_UUID_TO_DEVICE
local param
local current_params=()
for param in "${DISK_ACTIONS[@]}"; do

4
scripts/internal_config.sh
View File

@ -27,14 +27,14 @@ USED_LUKS=false
DISK_ACTIONS=()
# An associative array from disk id to a resolvable string
declare -A DISK_ID_TO_RESOLVABLE
# An associative from uuid to device
declare -A DISK_UUID_TO_DEVICE
# An associative array from disk id to parent gpt disk id (only for partitions)
declare -A DISK_ID_PART_TO_GPT_ID
# An associative array to check for existing ids (maps to uuids)
declare -A DISK_ID_TO_UUID
# An associative set to check for correct usage of size=remaining in gpt tables
declare -A DISK_GPT_HAD_SIZE_REMAINING
# An associative from uuid to device
declare -A DISK_UUID_TO_DEVICE
only_one_of() {
local previous=""

32
scripts/utils.sh
View File

@ -158,29 +158,39 @@ create_resolve_entry() {
case "$type" in
'partuuid') ;;
'ptuuid') DISK_UUID_TO_DEVICE[$arg]="$device" ;;
'uuid') ;;
'mdadm') DISK_UUID_TO_DEVICE[$arg]="$device" ;;
'luks') ;;
'ptuuid') ;& # fallthrough
'mdadm')
DISK_UUID_TO_DEVICE[$arg]="$device"
mkdir -p "$RESOLVABLE_MAP_DIR/DISK_UUID_TO_DEVICE" \
|| die "Could not create resolveable map dir '$RESOLVABLE_MAP_DIR'"
echo -n "$device" > "$RESOLVABLE_MAP_DIR/DISK_UUID_TO_DEVICE/$(base64 -w 0 <<< "$id")"
;;
*) die "Cannot add resolvable entry for '$type:$arg' (unknown type)"
esac
DISK_ID_TO_RESOLVABLE[$id]="$type:$arg"
mkdir -p "$RESOLVABLE_MAP_DIR" \
mkdir -p "$RESOLVABLE_MAP_DIR/DISK_ID_TO_RESOLVABLE" \
|| die "Could not create resolveable map dir '$RESOLVABLE_MAP_DIR'"
echo -n "$type:$arg" > "$RESOLVABLE_MAP_DIR/$(base64 -w 0 <<< "$id")"
echo -n "$type:$arg" > "$RESOLVABLE_MAP_DIR/DISK_ID_TO_RESOLVABLE/$(base64 -w 0 <<< "$id")"
}
load_resolvable_entries() {
[[ -d $RESOLVABLE_MAP_DIR ]] \
|| return 0
local base_id
local id
local saved
for base_id in "$RESOLVABLE_MAP_DIR/"*; do
id="$(base64 -d <<< "$(basename "$base_id")")"
saved="$(cat "$base_id")"
DISK_ID_TO_RESOLVABLE[$id]="$saved"
local base64_key
local key
local value
for base64_key in "$RESOLVABLE_MAP_DIR/DISK_ID_TO_RESOLVABLE/"*; do
key="$(base64 -d <<< "$(basename "$base64_key")")"
value="$(cat "$base64_key")"
DISK_ID_TO_RESOLVABLE[$key]="$value"
done
for base64_key in "$RESOLVABLE_MAP_DIR/DISK_UUID_TO_DEVICE/"*; do
key="$(base64 -d <<< "$(basename "$base64_key")")"
value="$(cat "$base64_key")"
DISK_UUID_TO_DEVICE[$key]="$value"
done
}