76 lines
2.0 KiB
Bash
Executable File
76 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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# shellcheck disable=SC2034,SC2154
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. /lib/dracut-zfs-lib.sh
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decode_root_args || return 0
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GENERATOR_FILE=/run/systemd/generator/sysroot.mount
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GENERATOR_EXTENSION=/run/systemd/generator/sysroot.mount.d/zfs-enhancement.conf
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if [ -e "$GENERATOR_FILE" ] && [ -e "$GENERATOR_EXTENSION" ]; then
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# We're under systemd and dracut-zfs-generator ran to completion.
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info "ZFS: Delegating root mount to sysroot.mount at al."
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# We now prevent Dracut from running this thing again.
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rm -f "$hookdir"/mount/*zfs*
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return
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fi
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info "ZFS: No sysroot.mount exists or zfs-generator did not extend it."
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info "ZFS: Mounting root with the traditional mount-zfs.sh instead."
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# Delay until all required block devices are present.
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modprobe zfs 2>/dev/null
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udevadm settle
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ZFS_DATASET=
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ZFS_POOL=
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if [ "${root}" = "zfs:AUTO" ] ; then
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if ! ZFS_DATASET="$(find_bootfs)" ; then
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# shellcheck disable=SC2086
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zpool import -N -a ${ZPOOL_IMPORT_OPTS}
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if ! ZFS_DATASET="$(find_bootfs)" ; then
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warn "ZFS: No bootfs attribute found in importable pools."
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zpool export -aF
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rootok=0
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return 1
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fi
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fi
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info "ZFS: Using ${ZFS_DATASET} as root."
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fi
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ZFS_DATASET="${ZFS_DATASET:-${root}}"
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ZFS_POOL="${ZFS_DATASET%%/*}"
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if import_pool "${ZFS_POOL}" ; then
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# Load keys if we can or if we need to
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if [ "$(zpool list -H -o feature@encryption "${ZFS_POOL}")" = 'active' ]; then
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# if the root dataset has encryption enabled
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ENCRYPTIONROOT="$(zfs get -H -o value encryptionroot "${ZFS_DATASET}")"
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if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
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KEYSTATUS="$(zfs get -H -o value keystatus "${ENCRYPTIONROOT}")"
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# if the key needs to be loaded
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if [ "$KEYSTATUS" = "unavailable" ]; then
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# decrypt them
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ask_for_password \
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5 \
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"Encrypted ZFS password for ${ENCRYPTIONROOT}: " \
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"zfs load-key '${ENCRYPTIONROOT}'"
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fi
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fi
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fi
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# Let us tell the initrd to run on shutdown.
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# We have a shutdown hook to run
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# because we imported the pool.
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info "ZFS: Mounting dataset ${ZFS_DATASET}..."
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if mount_dataset "${ZFS_DATASET}" ; then
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ROOTFS_MOUNTED=yes
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return 0
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fi
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fi
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rootok=0
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