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#!/bin/sh
# Copyright © 2001-2004 Mario Jou/3en <joussen@debian.org>
# Copyright © martin f. krafft <madduck@debian.org>
# Distributable under the terms of the GNU GPL version 2.
#
. /usr/share/debconf/confmodule
# see #369953 for ordering
set -eu
CONFIG=/etc/mdadm/mdadm.conf
ALTCONFIG=/etc/mdadm.conf
[ ! -f $CONFIG ] && [ -f $ALTCONFIG ] && CONFIG=$ALTCONFIG
DEBIANCONFIG=/etc/default/mdadm
db_get mdadm/initrdstart || :
INITRDSTART="$RET"
if [ -s $DEBIANCONFIG ] ; then
AUTOSTART=true
AUTOCHECK=true
START_DAEMON=true
MAILADDR=root
[ -f $DEBIANCONFIG ] && . $DEBIANCONFIG
if [ -f $CONFIG ]; then
MAILADDR=$(sed -rne 's/^MAILADDR[[:space:]]*([^[:space:]]+).*/\1/p' $CONFIG)
fi
# if $MAIL_TO from $DEBIANCONFIG is set, give it priority. This is because
# it was used in the command line invocation of the mdadm monitor, and thus
# overruled any existing setting in /etc/mdadm/mdadm.conf.
# There's a slight chance of loss of a configuration setting (MAILADDR in
# /etc/mdadm/mdadm.conf), but it's only an email address, and it is likely
# unused anyway, thus we run the risk.
[ -n "${MAIL_TO:-}" ] && MAILADDR="$MAIL_TO"
[ -n "$AUTOSTART" ] && db_set mdadm/autostart "$AUTOSTART"
[ -n "$AUTOCHECK" ] && db_set mdadm/autocheck "$AUTOCHECK"
[ -n "$START_DAEMON" ] && db_set mdadm/start_daemon "$START_DAEMON"
[ -n "$MAILADDR" ] && db_set mdadm/mail_to "$MAILADDR"
fi
chrooted() {
test "$(stat -c "%d/%i" /)" != "$(stat -Lc "%d/%i" /proc/1/root 2>/dev/null)"
}
get_root_raiddev() {
local rootraiddev;
rootraiddev="$(df --portability / | sed -rne 's,^(/dev/[^[:space:]]+).*,\1,p')"
if ! mdadm --detail $rootraiddev >/dev/null 2>&1; then
return 1
fi
echo ${rootraiddev%p[0-9]*}
return 0
}
get_initrdstart() {
db_fget mdadm/initrdstart seen
if chrooted || [ "$RET $INITRDSTART" = "false all" ]; then
echo all
return 1
fi
get_root_raiddev || echo all
}
[ -z "$INITRDSTART" ] && INITRDSTART="$(get_initrdstart)" || :
[ -n "$INITRDSTART" ] && db_set mdadm/initrdstart "$INITRDSTART"
INITRDSTART_PRIORITY=high
if chrooted; then
INITRDSTART_PRIORITY=medium
fi
db_capb escape
msg=intro; suffix=''; error=0
while true; do
db_metaget mdadm/initrdstart_msg_${msg} extended_description || :
db_subst mdadm/initrdstart msg "$(echo -n "${RET}${suffix}" | debconf-escape -e)"
ret=0; db_input $INITRDSTART_PRIORITY mdadm/initrdstart || ret=$?
db_go
if [ $error -ne 0 ] && [ $ret -eq 30 ]; then
# there was an error in a previous run of this loop, but the above question
# was not asked, so we better exit the endless loop...
echo "W: mdadm: unable to determine MD arrays needed for boot." >&2
echo "W: mdadm: falling back to starting all of them..." >&2
INITRDSTART=all
break
fi
db_get mdadm/initrdstart
INITRDSTART="$(echo $RET | tr , ' ')"
case "$INITRDSTART" in
''|none) INITRDSTART=none; break;;
all) break;;
*)
arrays=''
for i in $INITRDSTART; do
# standardise by prefixing /dev/
i="/dev/${i#/dev/}"
# remove partition from partitionable array
i="${i%p[0-9]*}"
if [ ! -e "$i" ]; then
error=1; msg=errexist; suffix=": $i"; break
fi
if [ ! -b "$i" ]; then
t="$(readlink -nf "$i")"
if [ ! -b "$t" ]; then
suffix=": $t"
else
suffix=": $i"
fi
error=1; msg=errblock; break
fi
if ! mdadm --detail "$i" >/dev/null 2>&1; then
error=1; msg=errmd; suffix=": $i"; break
fi
if [ -f $CONFIG ]; then
if ! egrep -q "^(ARRAY)?[[:space:]]+$i([[:space:]]+|$)" $CONFIG; then
t="$(readlink -nf "$i")"
if [ -L "$i" ] \
&& egrep -q "^(ARRAY)?[[:space:]]+$t([[:space:]]|$)+" $CONFIG; then
i="$t"
else
db_set mdadm/initrdstart_notinconf false
db_fset mdadm/initrdstart_notinconf seen false
db_subst mdadm/initrdstart_notinconf array "$i"
db_subst mdadm/initrdstart_notinconf config "$CONFIG"
db_input high mdadm/initrdstart_notinconf || :
db_go
db_get mdadm/initrdstart_notinconf
if [ "$RET" = true ]; then
md5sum $CONFIG > /var/lib/mdadm/CONF-UNCHECKED
error=0
else
db_fset mdadm/initrdstart seen false
db_set mdadm/initrdstart all
error=1; msg=errconf; suffix=": $i"; break
fi
fi
fi
fi
# uniquely add device name
echo $arrays | egrep -q "\b${i}\b" || arrays="${arrays:+$arrays }$i"
done
if [ $error -eq 0 ]; then
INITRDSTART="$arrays"
# exit the while true loop
break
fi
;;
esac
done
db_set mdadm/initrdstart "$INITRDSTART"
if [ "$INITRDSTART" != all ]; then
db_input high mdadm/autostart || :
db_go
fi
db_input medium mdadm/autocheck || :
db_go
db_input medium mdadm/start_daemon || :
db_go
db_get mdadm/start_daemon || :
if [ "$RET" = true ]; then
db_input medium mdadm/mail_to || :
db_go
fi
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