Current File : //usr/lib/dracut/modules.d/90mdraid/module-setup.sh
#!/bin/bash
# called by dracut
check() {
local _rootdev
# No mdadm? No mdraid support.
require_binaries mdadm expr || return 1
[[ $hostonly ]] || [[ $mount_needs ]] && {
for dev in "${!host_fs_types[@]}"; do
[[ "${host_fs_types[$dev]}" != *_raid_member ]] && continue
DEVPATH=$(get_devpath_block "$dev")
for holder in "$DEVPATH"/holders/*; do
[[ -e "$holder" ]] || continue
[[ -e "$holder/md" ]] && return 0
break
done
done
return 255
}
return 0
}
# called by dracut
depends() {
echo rootfs-block
return 0
}
# called by dracut
installkernel() {
instmods =drivers/md
}
# called by dracut
cmdline() {
local _activated dev line UUID
declare -A _activated
for dev in "${!host_fs_types[@]}"; do
[[ "${host_fs_types[$dev]}" != *_raid_member ]] && continue
UUID=$(
/sbin/mdadm --examine --export $dev \
| while read line || [ -n "$line" ]; do
[[ ${line#MD_UUID=} = $line ]] && continue
printf "%s" "${line#MD_UUID=} "
done
)
[[ -z "$UUID" ]] && continue
if ! [[ ${_activated[${UUID}]} ]]; then
printf "%s" " rd.md.uuid=${UUID}"
_activated["${UUID}"]=1
fi
done
}
# called by dracut
install() {
local rule rule_path
inst_multiple cat expr
inst_multiple -o mdmon
inst $(command -v partx) /sbin/partx
inst $(command -v mdadm) /sbin/mdadm
if [[ $hostonly_cmdline == "yes" ]]; then
local _raidconf=$(cmdline)
[[ $_raidconf ]] && printf "%s\n" "$_raidconf" >> "${initdir}/etc/cmdline.d/90mdraid.conf"
fi
# <mdadm-3.3 udev rule
inst_rules 64-md-raid.rules
# >=mdadm-3.3 udev rules
inst_rules 63-md-raid-arrays.rules 64-md-raid-assembly.rules
# remove incremental assembly from stock rules, so they don't shadow
# 65-md-inc*.rules and its fine-grained controls, or cause other problems
# when we explicitly don't want certain components to be incrementally
# assembled
for rule in 64-md-raid.rules 64-md-raid-assembly.rules; do
rule_path="${initdir}${udevdir}/rules.d/${rule}"
[ -f "${rule_path}" ] && sed -i -r \
-e '/(RUN|IMPORT\{program\})\+?="[[:alpha:]/]*mdadm[[:blank:]]+(--incremental|-I)[[:blank:]]+(--export )?(\$env\{DEVNAME\}|\$tempnode|\$devnode)/d' \
"${rule_path}"
done
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 ]] || [[ $mdadmconf = "yes" ]]; then
if [ -f /etc/mdadm.conf ]; then
inst -H /etc/mdadm.conf
else
[ -f /etc/mdadm/mdadm.conf ] && inst -H /etc/mdadm/mdadm.conf /etc/mdadm.conf
fi
if [ -d /etc/mdadm.conf.d ]; then
local f
inst_dir /etc/mdadm.conf.d
for f in /etc/mdadm.conf.d/*.conf; do
[ -f "$f" ] || continue
inst -H "$f"
done
fi
fi
inst_hook pre-udev 30 "$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
if [ -e $systemdsystemunitdir/mdadm-last-resort@.service ]; then
inst_simple $systemdsystemunitdir/mdadm-last-resort@.service
fi
if [ -e $systemdsystemunitdir/mdadm-last-resort@.timer ]; then
inst_simple $systemdsystemunitdir/mdadm-last-resort@.timer
fi
if [ -e $dracutsysrootdir$systemdsystemunitdir/mdadm-grow-continue@.service ]; then
inst_simple $systemdsystemunitdir/mdadm-grow-continue@.service
fi
fi
inst_hook pre-shutdown 30 "$moddir/mdmon-pre-shutdown.sh"
dracut_need_initqueue
}
Mini Shell