dracut/modules.d/90mdraid/module-setup.sh

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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
check() {
local _rootdev
# No mdadm? No mdraid support.
type -P mdadm >/dev/null || return 1
[[ $hostonly ]] || [[ $mount_needs ]] && {
for fs in "${host_fs_types[@]}"; do
[[ "$fs" == *_raid_member ]] && return 0
done
return 255
}
return 0
}
depends() {
echo rootfs-block
return 0
}
installkernel() {
instmods =drivers/md
}
install() {
inst_multiple cat
inst_multiple -o mdmon
inst $(command -v partx) /sbin/partx
inst $(command -v mdadm) /sbin/mdadm
check_mdraid() {
local dev=$1 fs=$2 holder DEVPATH MD_UUID
[[ "$fs" != *_raid_member ]] && return 1
MD_UUID=$(/sbin/mdadm --examine --export $dev \
| while read line; do
[[ ${line#MD_UUID} = $line ]] && continue
eval "$line"
echo $MD_UUID
break
done)
[[ ${MD_UUID} ]] || return 1
if ! [[ $kernel_only ]]; then
echo " rd.md.uuid=${MD_UUID} " >> "${initdir}/etc/cmdline.d/90mdraid.conf"
fi
return 0
}
for_each_host_dev_fs check_mdraid
inst_rules 64-md-raid.rules
# remove incremental assembly from stock rules, so they don't shadow
# 65-md-inc*.rules and its fine-grained controls, or cause other problems
# when we explicitly don't want certain components to be incrementally
# assembled
sed -i -r -e '/RUN\+?="[[:alpha:]/]*mdadm[[:blank:]]+(--incremental|-I)[[:blank:]]+(\$env\{DEVNAME\}|\$tempnode)"/d' "${initdir}${udevdir}/rules.d/64-md-raid.rules"
inst_rules "$moddir/65-md-incremental-imsm.rules"
inst_rules "$moddir/59-persistent-storage-md.rules"
prepare_udev_rules 59-persistent-storage-md.rules
# guard against pre-3.0 mdadm versions, that can't handle containers
if ! mdadm -Q -e imsm /dev/null >/dev/null 2>&1; then
inst_hook pre-trigger 30 "$moddir/md-noimsm.sh"
fi
if ! mdadm -Q -e ddf /dev/null >/dev/null 2>&1; then
inst_hook pre-trigger 30 "$moddir/md-noddf.sh"
fi
if [[ $hostonly ]] || [[ $mdadmconf = "yes" ]]; then
if [ -f /etc/mdadm.conf ]; then
inst /etc/mdadm.conf
else
[ -f /etc/mdadm/mdadm.conf ] && inst /etc/mdadm/mdadm.conf /etc/mdadm.conf
fi
fi
inst_hook pre-udev 30 "$moddir/mdmon-pre-udev.sh"
inst_hook pre-trigger 30 "$moddir/parse-md.sh"
inst_hook pre-mount 10 "$moddir/mdraid-waitclean.sh"
inst_hook cleanup 99 "$moddir/mdraid-needshutdown.sh"
inst_hook shutdown 30 "$moddir/md-shutdown.sh"
inst_script "$moddir/mdraid-cleanup.sh" /sbin/mdraid-cleanup
inst_script "$moddir/mdraid_start.sh" /sbin/mdraid_start
if dracut_module_included "systemd"; then
if [ -e $systemdsystemunitdir/mdmon@.service ]; then
inst_simple $systemdsystemunitdir/mdmon@.service
fi
fi
inst_hook pre-shutdown 30 "$moddir/mdmon-pre-shutdown.sh"
}