Shellcheck cleanup for initrd scripts
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Co-authored-by: Kash Pande <kash@tripleback.net> Co-authored-by: Matthew Thode <mthode@mthode.org> Signed-off-by: Kash Pande <kash@tripleback.net> Signed-off-by: Matthew Thode <mthode@mthode.org> Closes #7214
This commit is contained in:
Kash Pande
Brian Behlendorf
parent
7280d58197
commit
41532e5a29
@ -3,9 +3,9 @@
|
||||
. /lib/dracut-zfs-lib.sh
|
||||
|
||||
_do_zpool_export() {
|
||||
local ret=0
|
||||
local errs=""
|
||||
local final="${1}"
|
||||
ret=0
|
||||
errs=""
|
||||
final="${1}"
|
||||
|
||||
info "ZFS: Exporting ZFS storage pools..."
|
||||
errs=$(export_all -F 2>&1)
|
||||
|
||||
@ -13,7 +13,7 @@ esac
|
||||
GENERATOR_FILE=/run/systemd/generator/sysroot.mount
|
||||
GENERATOR_EXTENSION=/run/systemd/generator/sysroot.mount.d/zfs-enhancement.conf
|
||||
|
||||
if [ -e "$GENERATOR_FILE" -a -e "$GENERATOR_EXTENSION" ] ; then
|
||||
if [ -e "$GENERATOR_FILE" ] && [ -e "$GENERATOR_EXTENSION" ] ; then
|
||||
# If the ZFS sysroot.mount flag exists, the initial RAM disk configured
|
||||
# it to mount ZFS on root. In that case, we bail early. This flag
|
||||
# file gets created by the zfs-generator program upon successful run.
|
||||
@ -57,9 +57,9 @@ ZFS_POOL="${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 [ $(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 ${ZFS_DATASET})
|
||||
ENCRYPTIONROOT="$(zfs get -H -o value encryptionroot "${ZFS_DATASET}")"
|
||||
if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
|
||||
# decrypt them
|
||||
ask_for_password \
|
||||
|
||||
@ -3,16 +3,16 @@
|
||||
. /lib/dracut-lib.sh
|
||||
|
||||
# Let the command line override our host id.
|
||||
spl_hostid=`getarg spl_hostid=`
|
||||
spl_hostid=$(getarg spl_hostid=)
|
||||
if [ -n "${spl_hostid}" ] ; then
|
||||
info "ZFS: Using hostid from command line: ${spl_hostid}"
|
||||
AA=`echo ${spl_hostid} | cut -b 1,2`
|
||||
BB=`echo ${spl_hostid} | cut -b 3,4`
|
||||
CC=`echo ${spl_hostid} | cut -b 5,6`
|
||||
DD=`echo ${spl_hostid} | cut -b 7,8`
|
||||
printf "\x${DD}\x${CC}\x${BB}\x${AA}" >/etc/hostid
|
||||
AA=$(echo "${spl_hostid}" | cut -b 1,2)
|
||||
BB=$(echo "${spl_hostid}" | cut -b 3,4)
|
||||
CC=$(echo "${spl_hostid}" | cut -b 5,6)
|
||||
DD=$(echo "${spl_hostid}" | cut -b 7,8)
|
||||
printf "\\x%s\\x%s\\x%s\\x%s" "${DD}" "${CC}" "${BB}" "${AA}" >/etc/hostid
|
||||
elif [ -f "/etc/hostid" ] ; then
|
||||
info "ZFS: Using hostid from /etc/hostid: `hostid`"
|
||||
info "ZFS: Using hostid from /etc/hostid: $(hostid)"
|
||||
else
|
||||
warn "ZFS: No hostid found on kernel command line or /etc/hostid."
|
||||
warn "ZFS: Pools may not import correctly."
|
||||
|
||||
@ -59,4 +59,4 @@ echo "zfs-generator: writing extension for sysroot.mount to $GENERATOR_DIR"/sysr
|
||||
[ -d "$GENERATOR_DIR"/initrd-root-fs.target.requires ] || mkdir -p "$GENERATOR_DIR"/initrd-root-fs.target.requires
|
||||
ln -s ../sysroot.mount "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.mount
|
||||
|
||||
echo "zfs-generator: finished" >> /dev/kmsg
|
||||
echo "zfs-generator: finished" >> /dev/kmsg
|
||||
@ -5,16 +5,16 @@ command -v getargbool >/dev/null || {
|
||||
# Compatibility with older Dracut versions.
|
||||
# With apologies to the Dracut developers.
|
||||
getargbool() {
|
||||
local _b
|
||||
unset _b
|
||||
local _default
|
||||
if ! [ -z "$_b" ]; then
|
||||
unset _b
|
||||
fi
|
||||
_default="$1"; shift
|
||||
_b=$(getarg "$@")
|
||||
[ $? -ne 0 -a -z "$_b" ] && _b="$_default"
|
||||
[ $? -ne 0 ] && [ -z "$_b" ] && _b="$_default"
|
||||
if [ -n "$_b" ]; then
|
||||
[ $_b = "0" ] && return 1
|
||||
[ $_b = "no" ] && return 1
|
||||
[ $_b = "off" ] && return 1
|
||||
[ "$_b" = "0" ] && return 1
|
||||
[ "$_b" = "no" ] && return 1
|
||||
[ "$_b" = "off" ] && return 1
|
||||
fi
|
||||
return 0
|
||||
}
|
||||
@ -26,82 +26,82 @@ NEWLINE="
|
||||
|
||||
ZPOOL_IMPORT_OPTS=""
|
||||
if getargbool 0 zfs_force -y zfs.force -y zfsforce ; then
|
||||
warn "ZFS: Will force-import pools if necessary."
|
||||
ZPOOL_IMPORT_OPTS="${ZPOOL_IMPORT_OPTS} -f"
|
||||
warn "ZFS: Will force-import pools if necessary."
|
||||
ZPOOL_IMPORT_OPTS="${ZPOOL_IMPORT_OPTS} -f"
|
||||
fi
|
||||
|
||||
# find_bootfs
|
||||
# returns the first dataset with the bootfs attribute.
|
||||
find_bootfs() {
|
||||
IFS="${NEWLINE}"
|
||||
for dataset in $(zpool list -H -o bootfs); do
|
||||
case "${dataset}" in
|
||||
"" | "-")
|
||||
continue
|
||||
;;
|
||||
"no pools available")
|
||||
IFS="${OLDIFS}"
|
||||
return 1
|
||||
;;
|
||||
*)
|
||||
IFS="${OLDIFS}"
|
||||
echo "${dataset}"
|
||||
return 0
|
||||
;;
|
||||
esac
|
||||
done
|
||||
IFS="${NEWLINE}"
|
||||
for dataset in $(zpool list -H -o bootfs); do
|
||||
case "${dataset}" in
|
||||
"" | "-")
|
||||
continue
|
||||
;;
|
||||
"no pools available")
|
||||
IFS="${OLDIFS}"
|
||||
return 1
|
||||
;;
|
||||
*)
|
||||
IFS="${OLDIFS}"
|
||||
echo "${dataset}"
|
||||
return 0
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
IFS="${OLDIFS}"
|
||||
return 1
|
||||
IFS="${OLDIFS}"
|
||||
return 1
|
||||
}
|
||||
|
||||
# import_pool POOL
|
||||
# imports the given zfs pool if it isn't imported already.
|
||||
import_pool() {
|
||||
local pool="${1}"
|
||||
pool="${1}"
|
||||
|
||||
if ! zpool list -H "${pool}" 2>&1 > /dev/null ; then
|
||||
info "ZFS: Importing pool ${pool}..."
|
||||
if ! zpool import -N ${ZPOOL_IMPORT_OPTS} "${pool}" ; then
|
||||
warn "ZFS: Unable to import pool ${pool}"
|
||||
return 1
|
||||
fi
|
||||
fi
|
||||
if ! zpool list -H "${pool}" > /dev/null 2>&1; then
|
||||
info "ZFS: Importing pool ${pool}..."
|
||||
if ! zpool import -N ${ZPOOL_IMPORT_OPTS} "${pool}" ; then
|
||||
warn "ZFS: Unable to import pool ${pool}"
|
||||
return 1
|
||||
fi
|
||||
fi
|
||||
|
||||
return 0
|
||||
return 0
|
||||
}
|
||||
|
||||
# mount_dataset DATASET
|
||||
# mounts the given zfs dataset.
|
||||
mount_dataset() {
|
||||
local dataset="${1}"
|
||||
local mountpoint="$(zfs get -H -o value mountpoint "${dataset}")"
|
||||
dataset="${1}"
|
||||
mountpoint="$(zfs get -H -o value mountpoint "${dataset}")"
|
||||
|
||||
# We need zfsutil for non-legacy mounts and not for legacy mounts.
|
||||
if [ "${mountpoint}" = "legacy" ] ; then
|
||||
mount -t zfs "${dataset}" "${NEWROOT}"
|
||||
else
|
||||
mount -o zfsutil -t zfs "${dataset}" "${NEWROOT}"
|
||||
fi
|
||||
# We need zfsutil for non-legacy mounts and not for legacy mounts.
|
||||
if [ "${mountpoint}" = "legacy" ] ; then
|
||||
mount -t zfs "${dataset}" "${NEWROOT}"
|
||||
else
|
||||
mount -o zfsutil -t zfs "${dataset}" "${NEWROOT}"
|
||||
fi
|
||||
|
||||
return $?
|
||||
return $?
|
||||
}
|
||||
|
||||
# export_all OPTS
|
||||
# exports all imported zfs pools.
|
||||
export_all() {
|
||||
local opts="${@}"
|
||||
local ret=0
|
||||
opts="${@}"
|
||||
ret=0
|
||||
|
||||
IFS="${NEWLINE}"
|
||||
for pool in `zpool list -H -o name` ; do
|
||||
if zpool list -H "${pool}" 2>&1 > /dev/null ; then
|
||||
zpool export "${pool}" ${opts} || ret=$?
|
||||
fi
|
||||
done
|
||||
IFS="${OLDIFS}"
|
||||
IFS="${NEWLINE}"
|
||||
for pool in $(zpool list -H -o name) ; do
|
||||
if zpool list -H "${pool}" > /dev/null 2>&1; then
|
||||
zpool export "${pool}" ${opts} || ret=$?
|
||||
fi
|
||||
done
|
||||
IFS="${OLDIFS}"
|
||||
|
||||
return ${ret}
|
||||
return ${ret}
|
||||
}
|
||||
|
||||
# ask_for_password
|
||||
@ -124,12 +124,9 @@ export_all() {
|
||||
# Turn off input echo before tty command is executed and turn on after.
|
||||
# It's useful when password is read from stdin.
|
||||
ask_for_password() {
|
||||
local cmd; local prompt; local tries=3
|
||||
local ply_cmd; local ply_prompt; local ply_tries=3
|
||||
local tty_cmd; local tty_prompt; local tty_tries=3
|
||||
local ret
|
||||
|
||||
while [ $# -gt 0 ]; do
|
||||
ply_tries=3
|
||||
tty_tries=3
|
||||
while [ "$#" -gt 0 ]; do
|
||||
case "$1" in
|
||||
--cmd) ply_cmd="$2"; tty_cmd="$2"; shift;;
|
||||
--ply-cmd) ply_cmd="$2"; shift;;
|
||||
@ -147,9 +144,9 @@ ask_for_password() {
|
||||
|
||||
{ flock -s 9;
|
||||
# Prompt for password with plymouth, if installed and running.
|
||||
if type plymouth >/dev/null 2>&1 && plymouth --ping 2>/dev/null; then
|
||||
if whereis plymouth >/dev/null 2>&1 && plymouth --ping 2>/dev/null; then
|
||||
plymouth ask-for-password \
|
||||
--prompt "$ply_prompt" --number-of-tries=$ply_tries \
|
||||
--prompt "$ply_prompt" --number-of-tries="$ply_tries" \
|
||||
--command="$ply_cmd"
|
||||
ret=$?
|
||||
else
|
||||
@ -158,17 +155,17 @@ ask_for_password() {
|
||||
stty -echo
|
||||
fi
|
||||
|
||||
local i=1
|
||||
while [ $i -le $tty_tries ]; do
|
||||
i=1
|
||||
while [ "$i" -le "$tty_tries" ]; do
|
||||
[ -n "$tty_prompt" ] && \
|
||||
printf "$tty_prompt [$i/$tty_tries]:" >&2
|
||||
printf "%s [%i/%i]:" "$tty_prompt" "$i" "$tty_tries" >&2
|
||||
eval "$tty_cmd" && ret=0 && break
|
||||
ret=$?
|
||||
i=$(($i+1))
|
||||
i=$((i+1))
|
||||
[ -n "$tty_prompt" ] && printf '\n' >&2
|
||||
done
|
||||
|
||||
[ "$tty_echo_off" = yes ] && stty $stty_orig
|
||||
unset i
|
||||
[ "$tty_echo_off" = yes ] && stty "$stty_orig"
|
||||
fi
|
||||
} 9>/.console_lock
|
||||
|
||||
|
||||
@ -1,47 +1,47 @@
|
||||
#!/bin/bash
|
||||
#!/bin/sh
|
||||
|
||||
# only run this on systemd systems, we handle the decrypt in mount-zfs.sh in the mount hook otherwise
|
||||
[[ -e /bin/systemctl ]] || return 0
|
||||
[ -e /bin/systemctl ] || return 0
|
||||
|
||||
# This script only gets executed on systemd systems, see mount-zfs.sh for non-systemd systems
|
||||
|
||||
# import the libs now that we know the pool imported
|
||||
[ -f /lib/dracut-lib.sh ] && dracutlib=/lib/dracut-lib.sh
|
||||
[ -f /usr/lib/dracut/modules.d/99base/dracut-lib.sh ] && dracutlib=/usr/lib/dracut/modules.d/99base/dracut-lib.sh
|
||||
# shellcheck source=./lib-zfs.sh.in
|
||||
. "$dracutlib"
|
||||
|
||||
# load the kernel command line vars
|
||||
[ -z "$root" ] && root=$(getarg root=)
|
||||
[ -z "$root" ] && root="$(getarg root=)"
|
||||
# If root is not ZFS= or zfs: or rootfstype is not zfs then we are not supposed to handle it.
|
||||
[ "${root##zfs:}" = "${root}" -a "${root##ZFS=}" = "${root}" -a "$rootfstype" != "zfs" ] && exit 0
|
||||
[ "${root##zfs:}" = "${root}" ] && [ "${root##ZFS=}" = "${root}" ] && [ "$rootfstype" != "zfs" ] && exit 0
|
||||
|
||||
# There is a race between the zpool import and the pre-mount hooks, so we wait for a pool to be imported
|
||||
while true; do
|
||||
zpool list -H | grep -q -v '^$' && break
|
||||
[[ $(systemctl is-failed zfs-import-cache.service) == 'failed' ]] && exit 1
|
||||
[[ $(systemctl is-failed zfs-import-scan.service) == 'failed' ]] && exit 1
|
||||
[ "$(systemctl is-failed zfs-import-cache.service)" = 'failed' ] && exit 1
|
||||
[ "$(systemctl is-failed zfs-import-scan.service)" = 'failed' ] && exit 1
|
||||
sleep 0.1s
|
||||
done
|
||||
|
||||
# run this after import as zfs-import-cache/scan service is confirmed good
|
||||
if [[ "${root}" = "zfs:AUTO" ]] ; then
|
||||
root=$(zpool list -H -o bootfs | awk '$1 != "-" {print; exit}')
|
||||
if [ "${root}" = "zfs:AUTO" ] ; then
|
||||
root="$(zpool list -H -o bootfs | awk '$1 != "-" {print; exit}')"
|
||||
else
|
||||
root="${root##zfs:}"
|
||||
root="${root##ZFS=}"
|
||||
fi
|
||||
|
||||
# if pool encryption is active and the zfs command understands '-o encryption'
|
||||
if [[ $(zpool list -H -o feature@encryption $(echo "${root}" | awk -F\/ '{print $1}')) == 'active' ]]; then
|
||||
if [ "$(zpool list -H -o feature@encryption $(echo "${root}" | awk -F\/ '{print $1}'))" = 'active' ]; then
|
||||
# if the root dataset has encryption enabled
|
||||
ENCRYPTIONROOT=$(zfs get -H -o value encryptionroot ${ZFS_DATASET})
|
||||
ENCRYPTIONROOT=$(zfs get -H -o value encryptionroot "${root}")
|
||||
if ! [ "${ENCRYPTIONROOT}" = "-" ]; then
|
||||
# decrypt them
|
||||
TRY_COUNT=5
|
||||
while [ $TRY_COUNT != 0 ]; do
|
||||
zfs load-key "${ENCRYPTIONROOT}" <<< $(systemd-ask-password "Encrypted ZFS password for ${root}: ")
|
||||
[[ $? == 0 ]] && break
|
||||
((TRY_COUNT-=1))
|
||||
while [ $TRY_COUNT -gt 0 ]; do
|
||||
systemd-ask-password "Encrypted ZFS password for ${root}" --no-tty | zfs load-key "${ENCRYPTIONROOT}" && break
|
||||
TRY_COUNT=$((TRY_COUNT - 1))
|
||||
done
|
||||
fi
|
||||
fi
|
||||
|
||||
Loading…
Reference in New Issue
Block a user