82 lines
2.3 KiB
Bash
Executable file
82 lines
2.3 KiB
Bash
Executable file
#!/bin/sh
|
|
|
|
. /lib/dracut-zfs-lib.sh
|
|
|
|
ZFS_DATASET=""
|
|
ZFS_POOL=""
|
|
|
|
case "${root}" in
|
|
zfs:*) ;;
|
|
*) return ;;
|
|
esac
|
|
|
|
GENERATOR_FILE=/run/systemd/generator/sysroot.mount
|
|
GENERATOR_EXTENSION=/run/systemd/generator/sysroot.mount.d/zfs-enhancement.conf
|
|
|
|
if [ -e "$GENERATOR_FILE" ] && [ -e "$GENERATOR_EXTENSION" ] ; then
|
|
# If the ZFS sysroot.mount flag exists, the initial RAM disk configured
|
|
# it to mount ZFS on root. In that case, we bail early. This flag
|
|
# file gets created by the zfs-generator program upon successful run.
|
|
info "ZFS: There is a sysroot.mount and zfs-generator has extended it."
|
|
info "ZFS: Delegating root mount to sysroot.mount."
|
|
# Let us tell the initrd to run on shutdown.
|
|
# We have a shutdown hook to run
|
|
# because we imported the pool.
|
|
# We now prevent Dracut from running this thing again.
|
|
for zfsmounthook in "$hookdir"/mount/*zfs* ; do
|
|
if [ -f "$zfsmounthook" ] ; then
|
|
rm -f "$zfsmounthook"
|
|
fi
|
|
done
|
|
return
|
|
fi
|
|
info "ZFS: No sysroot.mount exists or zfs-generator did not extend it."
|
|
info "ZFS: Mounting root with the traditional mount-zfs.sh instead."
|
|
|
|
# Delay until all required block devices are present.
|
|
modprobe zfs 2>/dev/null
|
|
udevadm settle
|
|
|
|
if [ "${root}" = "zfs:AUTO" ] ; then
|
|
ZFS_DATASET="$(find_bootfs)"
|
|
if [ $? -ne 0 ] ; then
|
|
zpool import -N -a ${ZPOOL_IMPORT_OPTS}
|
|
ZFS_DATASET="$(find_bootfs)"
|
|
if [ $? -ne 0 ] ; then
|
|
warn "ZFS: No bootfs attribute found in importable pools."
|
|
export_all -F
|
|
|
|
rootok=0
|
|
return 1
|
|
fi
|
|
fi
|
|
info "ZFS: Using ${ZFS_DATASET} as root."
|
|
fi
|
|
|
|
ZFS_DATASET="${ZFS_DATASET:-${root#zfs:}}"
|
|
ZFS_POOL="${ZFS_DATASET%%/*}"
|
|
|
|
if import_pool "${ZFS_POOL}" ; then
|
|
# Load keys if we can or if we need to
|
|
if [ $(zpool list -H -o feature@encryption $(echo "${ZFS_POOL}" | awk -F\/ '{print $1}')) = 'active' ]; then
|
|
# if the root dataset has encryption enabled
|
|
ENCRYPTIONROOT="$(zfs get -H -o value encryptionroot "${ZFS_DATASET}")"
|
|
if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
|
|
# decrypt them
|
|
ask_for_password \
|
|
--tries 5 \
|
|
--prompt "Encrypted ZFS password for ${ENCRYPTIONROOT}: " \
|
|
--cmd "zfs load-key '${ENCRYPTIONROOT}'"
|
|
fi
|
|
fi
|
|
# Let us tell the initrd to run on shutdown.
|
|
# We have a shutdown hook to run
|
|
# because we imported the pool.
|
|
info "ZFS: Mounting dataset ${ZFS_DATASET}..."
|
|
if mount_dataset "${ZFS_DATASET}" ; then
|
|
ROOTFS_MOUNTED=yes
|
|
return 0
|
|
fi
|
|
fi
|
|
|
|
rootok=0
|