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installer-scripts-remount-stage2-0.5/000075500000000000000000000000001224120035600177035ustar00rootroot00000000000000installer-scripts-remount-stage2-0.5/initinstall/000075500000000000000000000000001224120035600222355ustar00rootroot00000000000000installer-scripts-remount-stage2-0.5/initinstall/stop-md-dm.sh000075500000000000000000000002421224120035600245530ustar00rootroot00000000000000#!/bin/sh

# provide clean situation for evms
# https://bugzilla.altlinux.org/show_bug.cgi?id=29554

. install2-remount-functions

reset_devmapper
stop_mdraid

:
installer-scripts-remount-stage2-0.5/scripts/000075500000000000000000000000001224120035600213725ustar00rootroot00000000000000installer-scripts-remount-stage2-0.5/scripts/install2-remount-functions000075500000000000000000000070551224120035600265540ustar00rootroot00000000000000#!/bin/sh
# remount EVMS-created volumes
# see https://bugzilla.altlinux.org/28181

# destdir must be defined by this time
check_destdir() {
	[ -d "$destdir" ] || exit 1
}

remount_chroot() {
	# no dups here:
	# - bring lvm down;
	# - free the appropriate volumes (could be on mdraid too);
	# - bring mdraid down;
	# - free the appropriate block devices
	(
		set -x
		check_destdir &&
		save_blkid_state &&
		populate_fstab &&
		copy_chroot_binaries &&
		umount_chroot &&
		reset_devmapper &&
		stop_mdraid &&
		reset_devmapper &&
		start_luks &&
		start_mdraid &&
		start_lvm &&
		start_luks &&
		mount_chroot \
	) >& /tmp/remount.log || return $?
}

# avoid automatic rpm shell.req dependency
MDADM=/sbin/mdadm
LVM=/sbin/lvm
CRYPTSETUP=/sbin/cryptsetup
CRYPTSETUP_KEY=/tmp/empty

# alterator-vm should leave LUKS containers
# with initial empty password, see #28200
:> "$CRYPTSETUP_KEY"

# for installer-feature-desktop-other-fs, see also #29005
save_blkid_state() {
	find /dev/mapper -type l \
	| xargs -r blkid -c /dev/null \
	> /tmp/blkid.dm
}

populate_fstab() {
	[ ! -f /tmp/fstab ] ||
		cat /tmp/fstab >> "$destdir/etc/fstab"
}

copy_chroot_binaries() {
	# these are normally missing in installer environment
	# NB: /sbin writes rely on aufs in fact, would use /tmp otherwise
	#     but that might clobber cases when the binaries have to differ
	for i in /sbin/{mdadm,lvm,cryptsetup}; do
		if [ ! -x "$i" -a -x "$destdir$i" ]; then
			cp -p "$destdir$i" "$i"
		fi
	done

	if [ -f "$destdir/etc/lvm/lvm.conf" ]; then
		mkdir -p /etc/lvm &&
		cp -p "$destdir/etc/lvm/lvm.conf" /etc/lvm
	fi
}

umount_chroot() {
	fuser -vv -k -m "$destdir"

	if [ -x "$CRYPTSETUP" ]; then
		pushd /dev/mapper
		for i in *_luks; do
			"$CRYPTSETUP" luksClose "$i"
			dmsetup remove "$i"
		done
		popd
	fi

	chroot "$destdir" swapoff -a

	umount "$destdir/dev/pts"
	chroot "$destdir" umount -a -v

	# exclude " $destdir " itself
	grep " $destdir/" /proc/mounts |
		while read dev mnt rest; do umount -v "$mnt"; done

	umount -v "$destdir" || return 1
}

reset_devmapper() {
	# evms_deactivate does essentially the same but is normally missing
	dmsetup remove_all ||:
}

stop_mdraid() {
	# saving state is only important *after* evms
	if [ -f /proc/mdstat -a -x "$MDADM" ]; then
		"$MDADM" --examine --scan > /tmp/mdadm.conf
		"$MDADM" --stop --scan
	fi
}

start_mdraid() {
	if [ -s /tmp/mdadm.conf -a -x "$MDADM" ]; then
		# an arbitrary value of the year: packages installed already
		sysctl -w dev.raid.speed_limit_max=1000000
		"$MDADM" --assemble --run --scan --config=/tmp/mdadm.conf
	fi
}

start_lvm() {
	if [ -x "$LVM" ]; then
		"$LVM" pvscan
		"$LVM" vgscan
		"$LVM" vgchange -ay --noudevsync
	fi
}

start_luks() {
	if [ -x "$CRYPTSETUP" ]; then
		for device in $(blkid -o device); do
			[ "$(blkid -o value -s TYPE "$device")" = "crypto_LUKS" ] || continue
			"$CRYPTSETUP" isLuks "$device" || continue
			"$CRYPTSETUP" --key-file "$CRYPTSETUP_KEY" luksOpen "$device" "$(basename "$device")_luks"
		done
	fi
}

mount_chroot() {
	# depends on /tmp/fstab just like 10-fstab.sh
	rootfs="$(awk '{ if ($2=="/") print $1 }' < /tmp/fstab)"
	case "$rootfs" in
	UUID=*)
		rootfs="`blkid -U ${rootfs#UUID=}`"
		;;
	LABEL=*)
		rootfs="`blkid -L ${rootfs#LABEL=}`"
		;;
	/*)
		# all good as is
		;;
	*)
		echo "remount: unknown rootfs: $rootfs" >&2
		return 2
		;;
	esac

	mount -v "$rootfs" "$destdir" || return 3

	mount -v -o bind /dev "$destdir/dev"
	mount -v -t sysfs sysfs "$destdir/sys"
	mount -v -t proc proc "$destdir/proc"
	chroot "$destdir" mount -a -v ||:

	chroot "$destdir" swapon -a ||:

	# NB: use "sleep 3600" here to debug :)
}