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✏️ Editing: mdadm.postinst

#!/bin/sh
# Copyright © 2001-2005 Mario Jou/3en <joussen@debian.org>
# Copyright © 2005-2008 Martin F. Krafft <madduck@debian.org>
# Distributable under the terms of the GNU GPL version 2.
#
set -e

. /usr/share/debconf/confmodule

case "${1:-}" in
  configure|reconfigure)

if [ ! -f /proc/mdstat ] && [ -x $(command -v modprobe 2>/dev/null) ]; then
      modprobe md >/dev/null 2>&1 || :
    fi
    if [ ! -f /proc/mdstat ]; then
      echo 'W: mdadm: failed to load MD subsystem.' >&2
    fi

DEBIANCONFIG=/etc/default/mdadm
    CONFIG=/etc/mdadm/mdadm.conf
    ALTCONFIG=/etc/mdadm.conf
    MDADM=/sbin/mdadm

# load current settings, most of which will be overwritten.
    [ -f $DEBIANCONFIG ] && . $DEBIANCONFIG

db_get mdadm/mail_to
    MAILADDR="${RET:-root}"

[ ! -f $CONFIG ] && [ -f $ALTCONFIG ] && CONFIG=$ALTCONFIG
    if [ ! -f $CONFIG ]; then
      echo -n 'Generating mdadm.conf... ' >&2
      # pass the MAILADDR variable into the script
      MDADM_MAILADDR__="$MAILADDR"; export MDADM_MAILADDR__
      if /usr/share/mdadm/mkconf generate $CONFIG 2>/dev/null; then
        echo done. >&2
      else
        echo "done (failed to scan arrays; /proc probably not mounted)." >&2
      fi
    fi

if [ -w $CONFIG ] && [ -z "${MDADM_MAILADDR__:-}" ]; then
      # if the configuration is writeable but has not been written just
      # before, then edit it to reflect the MAILADDR preference
      if grep -q '^MAILADDR' $CONFIG; then
        sed -i -e "s/^MAILADDR.*/MAILADDR $MAILADDR/" $CONFIG
      else
        echo "MAILADDR $MAILADDR" >> $CONFIG
      fi
    fi
    unset MDADM_MAILADDR__

db_get mdadm/autocheck
    AUTOCHECK="${RET:-true}"
    db_get mdadm/autoscan
    AUTOSCAN="${RET:-true}"
    db_get mdadm/start_daemon
    START_DAEMON="${RET:-true}"
    #db_get mdadm/daemon_options
    [ -n "${DAEMON_OPTIONS:-}" ] || DAEMON_OPTIONS='--syslog'

cat <<_eof > $DEBIANCONFIG
# mdadm Debian configuration
#
# You can run 'dpkg-reconfigure mdadm' to modify the values in this file, if
# you want. You can also change the values here and changes will be preserved.
# Do note that only the values are preserved; the rest of the file is
# rewritten.
#

# AUTOCHECK:
#   should mdadm run periodic redundancy checks over your arrays? See
#   /etc/cron.d/mdadm.
AUTOCHECK=$AUTOCHECK

# AUTOSCAN:
#   should mdadm check once a day for degraded arrays? See
#   /lib/systemd/system/mdmonitor-oneshot.service
AUTOSCAN=$AUTOSCAN

# START_DAEMON:
#   should mdadm start the MD monitoring daemon during boot?
START_DAEMON=$START_DAEMON

# DAEMON_OPTIONS:
#   additional options to pass to the daemon.
DAEMON_OPTIONS="$DAEMON_OPTIONS"

# VERBOSE:
#   if this variable is set to true, mdadm will be a little more verbose e.g.
#   when creating the initramfs.
VERBOSE=${VERBOSE:-false}
_eof

db_stop

# Remove old init script
    update-rc.d mdadm-raid remove
    
    command -v update-initramfs >/dev/null 2>&1 && update-initramfs -u

if command -v update-grub2 >/dev/null 2>&1; then
        update-grub || true
    fi

if dpkg --compare-versions "$2" le 3.3.2-3; then
      rm -f /var/lib/mdadm/CONF-UNCHECKED /var/lib/mdadm/mdadm.conf-generated
      if [ -d /var/lib/mdadm ]; then
        rmdir --ignore-fail-on-non-empty /var/lib/mdadm
      fi
    fi
    ;;
esac

[ -d /run/systemd/system ] && systemctl --system daemon-reload >/dev/null || :

# Automatically added by dh_installdeb/13.6ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init.d/mdadm-raid 3.4-2\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/init.d/mdadm 4.1-2ubuntu2\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/init.d/mdadm-waitidle 4.1-2ubuntu2\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/cron.d/mdadm 4.1-2ubuntu3\~ -- "$@"
dpkg-maintscript-helper rm_conffile /etc/cron.daily/mdadm 4.1-2ubuntu3\~ -- "$@"
# End automatically added section
# Automatically added by dh_installsystemd/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'mdcheck_continue.timer' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'mdcheck_continue.timer'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'mdcheck_continue.timer' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'mdcheck_continue.timer' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'mdcheck_start.timer' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'mdcheck_start.timer'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'mdcheck_start.timer' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'mdcheck_start.timer' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# This will only remove masks created by d-s-h on package removal.
	deb-systemd-helper unmask 'mdmonitor-oneshot.timer' >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'mdmonitor-oneshot.timer'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'mdmonitor-oneshot.timer' >/dev/null || true
	else
		# Update the statefile to add new symlinks (if any), which need to be
		# cleaned up on purge. Also remove old symlinks.
		deb-systemd-helper update-state 'mdmonitor-oneshot.timer' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.6ubuntu1
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'mdcheck_continue.timer' 'mdcheck_start.timer' 'mdmonitor-oneshot.timer' >/dev/null || true
	fi
fi
# End automatically added section

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