#!/bin/bash

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# called by dracut

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check() {

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local _rootdev

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# No mdadm? No mdraid support.

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require_binaries mdadm expr || return 1

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[[ $hostonly ]] || [[ $mount_needs ]] && {

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for dev in "${!host_fs_types[@]}"; do

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[[ "${host_fs_types[$dev]}" != *_raid_member ]] && continue

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DEVPATH=$(get_devpath_block "$dev")

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for holder in "$DEVPATH"/holders/*; do

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[[ -e "$holder" ]] || continue

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[[ -e "$holder/md" ]] && return 0

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break

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done

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done

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return 255

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}

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return 0

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}

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# called by dracut

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depends() {

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echo rootfs-block

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return 0

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}

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# called by dracut

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installkernel() {

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instmods =drivers/md

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}

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# called by dracut

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cmdline() {

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local _activated dev line UUID

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declare -A _activated

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for dev in "${!host_fs_types[@]}"; do

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[[ "${host_fs_types[$dev]}" != *_raid_member ]] && continue

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UUID=$(

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/sbin/mdadm --examine --export $dev \

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| while read line || [ -n "$line" ]; do

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[[ ${line#MD_UUID=} = $line ]] && continue

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printf "%s" "${line#MD_UUID=} "

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done

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)

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[[ -z "$UUID" ]] && continue

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if ! [[ ${_activated[${UUID}]} ]]; then

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printf "%s" " rd.md.uuid=${UUID}"

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_activated["${UUID}"]=1

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fi

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done

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}

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# called by dracut

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install() {

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local rule rule_path

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inst_multiple cat expr

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inst_multiple -o mdmon

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inst $(command -v partx) /sbin/partx

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inst $(command -v mdadm) /sbin/mdadm

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if [[ $hostonly_cmdline == "yes" ]]; then

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local _raidconf=$(cmdline)

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[[ $_raidconf ]] && printf "%s\n" "$_raidconf" >> "${initdir}/etc/cmdline.d/90mdraid.conf"

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fi

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# <mdadm-3.3 udev rule

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inst_rules 64-md-raid.rules

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# >=mdadm-3.3 udev rules

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inst_rules 63-md-raid-arrays.rules 64-md-raid-assembly.rules

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# remove incremental assembly from stock rules, so they don't shadow

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# 65-md-inc*.rules and its fine-grained controls, or cause other problems

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# when we explicitly don't want certain components to be incrementally

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# assembled

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for rule in 64-md-raid.rules 64-md-raid-assembly.rules; do

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rule_path="${initdir}${udevdir}/rules.d/${rule}"

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[ -f "${rule_path}" ] && sed -i -r \

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-e '/(RUN|IMPORT\{program\})\+?="[[:alpha:]/]*mdadm[[:blank:]]+(--incremental|-I)[[:blank:]]+(--export )?(\$env\{DEVNAME\}|\$tempnode|\$devnode)/d' \

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"${rule_path}"

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done

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inst_rules "$moddir/65-md-incremental-imsm.rules"

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inst_rules "$moddir/59-persistent-storage-md.rules"

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prepare_udev_rules 59-persistent-storage-md.rules

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# guard against pre-3.0 mdadm versions, that can't handle containers

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if ! mdadm -Q -e imsm /dev/null >/dev/null 2>&1; then

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inst_hook pre-trigger 30 "$moddir/md-noimsm.sh"

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fi

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if ! mdadm -Q -e ddf /dev/null >/dev/null 2>&1; then

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inst_hook pre-trigger 30 "$moddir/md-noddf.sh"

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fi

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if [[ $hostonly ]] || [[ $mdadmconf = "yes" ]]; then

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if [ -f /etc/mdadm.conf ]; then

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inst -H /etc/mdadm.conf

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else

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[ -f /etc/mdadm/mdadm.conf ] && inst -H /etc/mdadm/mdadm.conf /etc/mdadm.conf

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fi

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if [ -d /etc/mdadm.conf.d ]; then

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local f

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inst_dir /etc/mdadm.conf.d

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for f in /etc/mdadm.conf.d/*.conf; do

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[ -f "$f" ] || continue

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inst -H "$f"

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done

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fi

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fi

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inst_hook pre-udev 30 "$moddir/mdmon-pre-udev.sh"

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inst_hook pre-trigger 30 "$moddir/parse-md.sh"

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inst_hook pre-mount 10 "$moddir/mdraid-waitclean.sh"

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inst_hook cleanup 99 "$moddir/mdraid-needshutdown.sh"

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inst_hook shutdown 30 "$moddir/md-shutdown.sh"

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inst_script "$moddir/mdraid-cleanup.sh" /sbin/mdraid-cleanup

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inst_script "$moddir/mdraid_start.sh" /sbin/mdraid_start

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if dracut_module_included "systemd"; then

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if [ -e $systemdsystemunitdir/mdmon@.service ]; then

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inst_simple $systemdsystemunitdir/mdmon@.service

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fi

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if [ -e $systemdsystemunitdir/mdadm-last-resort@.service ]; then

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inst_simple $systemdsystemunitdir/mdadm-last-resort@.service

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fi

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if [ -e $systemdsystemunitdir/mdadm-last-resort@.timer ]; then

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inst_simple $systemdsystemunitdir/mdadm-last-resort@.timer

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fi

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if [ -e $dracutsysrootdir$systemdsystemunitdir/mdadm-grow-continue@.service ]; then

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inst_simple $systemdsystemunitdir/mdadm-grow-continue@.service

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fi

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fi

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inst_hook pre-shutdown 30 "$moddir/mdmon-pre-shutdown.sh"

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dracut_need_initqueue

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}

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