#!/bin/bash
set -e

trap 'exit 127' 0
adt_readconfig_needlock=y
. ${ADT_XENLVM_SHARE:=/usr/share/autopkgtest/xenlvm}/justconfig
while test $# -gt $nonoptargs; do shift; done

if ! test -f "$adt_play/good"; then
	echo >&2 'testbed not in good state'
	exit 127
fi

${ADT_XENLVM_SHARE}/cleanup >/dev/null

modprobe dm-snapshot >/dev/null 2>&1 ||:

for fs in fs swap; do
 swap=${fs#fs}; eval "
  bdsize=\$(blockdev --getsize \$lvm_baselv_${swap}namepath)
  dmsetup create \$adt_devmapper_${swap}cowdev <<END
0 \$bdsize snapshot \$lvm_baselv_${swap}namepath \$lvm_cowdata_${swap}namepath n \$adt_${fs}_cowchunk
END

  mkdir -p \$lvm_${fs}link_dirpath
  ln -s \$lvm_${swap}snapdev \$lvm_${fs}link_ptr
 "
done

xm restore $adt_play/xen-save
xm mem-set $adt_xmname $adt_testbed_ram
udevsettle

unset ADT_LOCKED

set +e
case $# in
0) debian_chroot="<with-adtxenlvm_$adt_nominum>$debian_chroot" $SHELL -i ;;
*) "$@" ;;
esac
rc=$?
set -e

xm destroy $adt_xmname

sleep 1
# ... this helps races where xm destroy leaves network interfaces etc.
#     still enabled

sleep=0
while true; do
	if dmsetup remove $adt_devmapper_cowdev; then break; fi
	if [ $sleep -gt 3 ]; then fail "dmsetup remove kept failing"; fi
	sleep $sleep
	sleep=$(( $sleep + 1 ))
done

trap '' 0
exit $rc