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contrib; dracut: flatten zfs-load-key, simplify zfs-env-bootfs 

Upstream-commit: fec2c613a4
Upstream-change: drop 90zfs/module-setup.sh.in cleanups that don't apply
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13291
This commit is contained in:
наб 2022-04-04 22:52:43 +02:00 committed by Brian Behlendorf
parent 0864c29e7c
commit 71a1d8e5dc
2 changed files with 35 additions and 39 deletions
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2
contrib/dracut/90zfs/zfs-env-bootfs.service.in
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@ -8,7 +8,7 @@ Before=zfs-import.target
[Service] [Service]
Type=oneshot Type=oneshot
ExecStart=/bin/sh -c "exec systemctl set-environment BOOTFS=$(@sbindir@/zpool list -H -o bootfs | grep -m1 -v '^-$')" ExecStart=/bin/sh -c "exec systemctl set-environment BOOTFS=$(@sbindir@/zpool list -H -o bootfs | grep -m1 -vFx -)"
[Install] [Install]
WantedBy=zfs-import.target WantedBy=zfs-import.target

20
contrib/dracut/90zfs/zfs-load-key.sh.in
View File

@ -20,14 +20,12 @@ if [ "$BOOTFS" = "zfs:AUTO" ]; then
BOOTFS="$(zpool get -Ho value bootfs | grep -m1 -vFx -)" BOOTFS="$(zpool get -Ho value bootfs | grep -m1 -vFx -)"
fi fi
# if pool encryption is active and the zfs command understands '-o encryption' [ "$(zpool get -Ho value feature@encryption "${BOOTFS%%/*}")" = 'active' ] || return 0
if [ "$(zpool list -H -o feature@encryption "${BOOTFS%%/*}")" = 'active' ]; then
# if the root dataset has encryption enabled ENCRYPTIONROOT="$(zfs get -Ho value encryptionroot "${BOOTFS}")"
ENCRYPTIONROOT="$(zfs get -H -o value encryptionroot "${BOOTFS}")" [ "${ENCRYPTIONROOT}" = "-" ] && return 0
if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
KEYSTATUS="$(zfs get -H -o value keystatus "${ENCRYPTIONROOT}")" [ "$(zfs get -Ho value keystatus "${ENCRYPTIONROOT}")" = "unavailable" ] || return 0
# continue only if the key needs to be loaded
[ "$KEYSTATUS" = "unavailable" ] || exit 0
KEYLOCATION="$(zfs get -H -o value keylocation "${ENCRYPTIONROOT}")" KEYLOCATION="$(zfs get -H -o value keylocation "${ENCRYPTIONROOT}")"
case "${KEYLOCATION%%://*}" in case "${KEYLOCATION%%://*}" in
@ -44,18 +42,16 @@ if [ "$(zpool list -H -o feature@encryption "${BOOTFS%%/*}")" = 'active' ]; then
KEYFILE="${KEYLOCATION#file://}" KEYFILE="${KEYLOCATION#file://}"
[ -r "${KEYFILE}" ] || udevadm settle [ -r "${KEYFILE}" ] || udevadm settle
[ -r "${KEYFILE}" ] || { [ -r "${KEYFILE}" ] || {
info "Waiting for key ${KEYFILE} for ${ENCRYPTIONROOT}..." info "ZFS: Waiting for key ${KEYFILE} for ${ENCRYPTIONROOT}..."
for _ in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do for _ in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do
sleep 0.5s sleep 0.5s
[ -r "${KEYFILE}" ] && break [ -r "${KEYFILE}" ] && break
done done
} }
[ -r "${KEYFILE}" ] || warn "Key ${KEYFILE} for ${ENCRYPTIONROOT} hasn't appeared. Trying anyway." [ -r "${KEYFILE}" ] || warn "ZFS: Key ${KEYFILE} for ${ENCRYPTIONROOT} hasn't appeared. Trying anyway."
zfs load-key "${ENCRYPTIONROOT}" zfs load-key "${ENCRYPTIONROOT}"
;; ;;
*) *)
zfs load-key "${ENCRYPTIONROOT}" zfs load-key "${ENCRYPTIONROOT}"
;; ;;
esac esac
fi
fi