blob: 9e7adfc79786ba65ebbcad1ad67930037e2a90ab (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#!/bin/sh
# only run this on systemd systems, we handle the decrypt in mount-zfs.sh in the mount hook otherwise
[ -e /bin/systemctl ] || return 0
# This script only gets executed on systemd systems, see mount-zfs.sh for non-systemd systems
# import the libs now that we know the pool imported
[ -f /lib/dracut-lib.sh ] && dracutlib=/lib/dracut-lib.sh
[ -f /usr/lib/dracut/modules.d/99base/dracut-lib.sh ] && dracutlib=/usr/lib/dracut/modules.d/99base/dracut-lib.sh
# shellcheck source=./lib-zfs.sh.in
. "$dracutlib"
# load the kernel command line vars
[ -z "$root" ] && root="$(getarg root=)"
# If root is not ZFS= or zfs: or rootfstype is not zfs then we are not supposed to handle it.
[ "${root##zfs:}" = "${root}" ] && [ "${root##ZFS=}" = "${root}" ] && [ "$rootfstype" != "zfs" ] && exit 0
# There is a race between the zpool import and the pre-mount hooks, so we wait for a pool to be imported
while true; do
zpool list -H | grep -q -v '^$' && break
[ "$(systemctl is-failed zfs-import-cache.service)" = 'failed' ] && exit 1
[ "$(systemctl is-failed zfs-import-scan.service)" = 'failed' ] && exit 1
sleep 0.1s
done
# run this after import as zfs-import-cache/scan service is confirmed good
if [ "${root}" = "zfs:AUTO" ] ; then
root="$(zpool list -H -o bootfs | awk '$1 != "-" {print; exit}')"
else
root="${root##zfs:}"
root="${root##ZFS=}"
fi
# if pool encryption is active and the zfs command understands '-o encryption'
if [ "$(zpool list -H -o feature@encryption $(echo "${root}" | awk -F\/ '{print $1}'))" = 'active' ]; then
# if the root dataset has encryption enabled
ENCRYPTIONROOT=$(zfs get -H -o value encryptionroot "${root}")
if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
# decrypt them
TRY_COUNT=5
while [ $TRY_COUNT -gt 0 ]; do
systemd-ask-password "Encrypted ZFS password for ${root}" --no-tty | zfs load-key "${ENCRYPTIONROOT}" && break
TRY_COUNT=$((TRY_COUNT - 1))
done
fi
fi
|
