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0be40959fe
Line 31 and 32 overwrote the ${root} variable which broke mount-zfs.sh
We have create a new variable for the dataset instead of overwriting the
${root} variable in zfs-load-key.sh${root} variable in zfs-load-key.sh
Reviewed-by: Kash Pande <kash@tripleback.net>
Reviewed-by: Garrett Fields <ghfields@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Dacian Reece-Stremtan <dacianstremtan@gmail.com>
Closes #8913
Closes #9379
49 lines
2.1 KiB
Bash
Executable File
49 lines
2.1 KiB
Bash
Executable File
#!/bin/sh
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# only run this on systemd systems, we handle the decrypt in mount-zfs.sh in the mount hook otherwise
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[ -e /bin/systemctl ] || return 0
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# This script only gets executed on systemd systems, see mount-zfs.sh for non-systemd systems
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# import the libs now that we know the pool imported
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[ -f /lib/dracut-lib.sh ] && dracutlib=/lib/dracut-lib.sh
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[ -f /usr/lib/dracut/modules.d/99base/dracut-lib.sh ] && dracutlib=/usr/lib/dracut/modules.d/99base/dracut-lib.sh
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# shellcheck source=./lib-zfs.sh.in
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. "$dracutlib"
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# load the kernel command line vars
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[ -z "$root" ] && root="$(getarg root=)"
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# If root is not ZFS= or zfs: or rootfstype is not zfs then we are not supposed to handle it.
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[ "${root##zfs:}" = "${root}" ] && [ "${root##ZFS=}" = "${root}" ] && [ "$rootfstype" != "zfs" ] && exit 0
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# There is a race between the zpool import and the pre-mount hooks, so we wait for a pool to be imported
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while true; do
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zpool list -H | grep -q -v '^$' && break
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[ "$(systemctl is-failed zfs-import-cache.service)" = 'failed' ] && exit 1
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[ "$(systemctl is-failed zfs-import-scan.service)" = 'failed' ] && exit 1
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sleep 0.1s
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done
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# run this after import as zfs-import-cache/scan service is confirmed good
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# we do not overwrite the ${root} variable, but create a new one, BOOTFS, to hold the dataset
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if [ "${root}" = "zfs:AUTO" ] ; then
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BOOTFS="$(zpool list -H -o bootfs | awk '$1 != "-" {print; exit}')"
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else
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BOOTFS="${root##zfs:}"
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BOOTFS="${root##ZFS=}"
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fi
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# if pool encryption is active and the zfs command understands '-o encryption'
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if [ "$(zpool list -H -o feature@encryption $(echo "${BOOTFS}" | awk -F\/ '{print $1}'))" = 'active' ]; then
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# if the root dataset has encryption enabled
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ENCRYPTIONROOT=$(zfs get -H -o value encryptionroot "${BOOTFS}")
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if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
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# decrypt them
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TRY_COUNT=5
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while [ $TRY_COUNT -gt 0 ]; do
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systemd-ask-password "Encrypted ZFS password for ${BOOTFS}" --no-tty | zfs load-key "${ENCRYPTIONROOT}" && break
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TRY_COUNT=$((TRY_COUNT - 1))
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done
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fi
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fi
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