3 . /lib/dracut-zfs-lib.sh
13 GENERATOR_FILE=/run/systemd/generator/sysroot.mount
14 GENERATOR_EXTENSION=/run/systemd/generator/sysroot.mount.d/zfs-enhancement.conf
16 if [ -e "$GENERATOR_FILE" ] && [ -e "$GENERATOR_EXTENSION" ] ; then
17 # If the ZFS sysroot.mount flag exists, the initial RAM disk configured
18 # it to mount ZFS on root. In that case, we bail early. This flag
19 # file gets created by the zfs-generator program upon successful run.
20 info "ZFS: There is a sysroot.mount and zfs-generator has extended it."
21 info "ZFS: Delegating root mount to sysroot.mount."
22 # Let us tell the initrd to run on shutdown.
23 # We have a shutdown hook to run
24 # because we imported the pool.
25 # We now prevent Dracut from running this thing again.
26 for zfsmounthook in "$hookdir"/mount/*zfs* ; do
27 if [ -f "$zfsmounthook" ] ; then
33 info "ZFS: No sysroot.mount exists or zfs-generator did not extend it."
34 info "ZFS: Mounting root with the traditional mount-zfs.sh instead."
36 # Delay until all required block devices are present.
37 modprobe zfs 2>/dev/null
40 if [ "${root}" = "zfs:AUTO" ] ; then
41 ZFS_DATASET="$(find_bootfs)"
42 if [ $? -ne 0 ] ; then
43 zpool import -N -a ${ZPOOL_IMPORT_OPTS}
44 ZFS_DATASET="$(find_bootfs)"
45 if [ $? -ne 0 ] ; then
46 warn "ZFS: No bootfs attribute found in importable pools."
53 info "ZFS: Using ${ZFS_DATASET} as root."
56 ZFS_DATASET="${ZFS_DATASET:-${root#zfs:}}"
57 ZFS_POOL="${ZFS_DATASET%%/*}"
59 if import_pool "${ZFS_POOL}" ; then
60 # Load keys if we can or if we need to
61 if [ $(zpool list -H -o feature@encryption $(echo "${ZFS_POOL}" | awk -F\/ '{print $1}')) = 'active' ]; then
62 # if the root dataset has encryption enabled
63 ENCRYPTIONROOT="$(zfs get -H -o value encryptionroot "${ZFS_DATASET}")"
64 if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
65 KEYSTATUS="$(zfs get -H -o value keystatus "${ENCRYPTIONROOT}")"
66 # if the key needs to be loaded
67 if [ "$KEYSTATUS" = "unavailable" ]; then
71 --prompt "Encrypted ZFS password for ${ENCRYPTIONROOT}: " \
72 --cmd "zfs load-key '${ENCRYPTIONROOT}'"
76 # Let us tell the initrd to run on shutdown.
77 # We have a shutdown hook to run
78 # because we imported the pool.
79 info "ZFS: Mounting dataset ${ZFS_DATASET}..."
80 if mount_dataset "${ZFS_DATASET}" ; then