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07f2793e86
Format the `zpool get` command correctly. The -o option must be followed by "all" or the requested field name. Reviewed-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Reviewed-by: George Melikov <mail@gmelikov.ru> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #13602
121 lines
3.3 KiB
Bash
Executable File
121 lines
3.3 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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# ask_for_password tries prompt cmd
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#
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# Wraps around plymouth ask-for-password and adds fallback to tty password ask
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# if plymouth is not present.
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ask_for_password() {
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tries="$1"
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prompt="$2"
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cmd="$3"
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{
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flock -s 9
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# Prompt for password with plymouth, if installed and running.
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if plymouth --ping 2>/dev/null; then
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plymouth ask-for-password \
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--prompt "$prompt" --number-of-tries="$tries" | \
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eval "$cmd"
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ret=$?
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else
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i=1
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while [ "$i" -le "$tries" ]; do
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printf "%s [%i/%i]:" "$prompt" "$i" "$tries" >&2
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eval "$cmd" && ret=0 && break
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ret=$?
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i=$((i+1))
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printf '\n' >&2
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done
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unset i
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fi
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} 9>/.console_lock
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[ "$ret" -ne 0 ] && echo "Wrong password" >&2
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return "$ret"
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}
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# Delay until all required block devices are present.
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modprobe zfs 2>/dev/null
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udevadm settle
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ZFS_DATASET=
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ZFS_POOL=
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if [ "${root}" = "zfs:AUTO" ] ; then
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if ! ZFS_DATASET="$(zpool get -Ho value bootfs | grep -m1 -vFx -)"; then
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# shellcheck disable=SC2086
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zpool import -N -a ${ZPOOL_IMPORT_OPTS}
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if ! ZFS_DATASET="$(zpool get -Ho value bootfs | grep -m1 -vFx -)"; 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 ! zpool get -Ho value name "${ZFS_POOL}" > /dev/null 2>&1; then
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info "ZFS: Importing pool ${ZFS_POOL}..."
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# shellcheck disable=SC2086
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if ! zpool import -N ${ZPOOL_IMPORT_OPTS} "${ZFS_POOL}"; then
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warn "ZFS: Unable to import pool ${ZFS_POOL}"
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rootok=0
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return 1
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fi
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fi
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# Load keys if we can or if we need to
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# TODO: for_relevant_root_children like in zfs-load-key.sh.in
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if [ "$(zpool get -Ho value feature@encryption "${ZFS_POOL}")" = 'active' ]; then
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# if the root dataset has encryption enabled
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ENCRYPTIONROOT="$(zfs get -Ho value encryptionroot "${ZFS_DATASET}")"
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if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
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KEYSTATUS="$(zfs get -Ho value keystatus "${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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rootok=0
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return 1
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fi
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