qemu/tests/qemu-iotests/043
Sascha Silbe 339f06a3bc qemu-iotests: tests: do not set unused tmp variable
The previous commit removed the last usage of ${tmp} inside the tests
themselves; the only remaining users are sourced by check. So we can now
drop this variable from the tests.

Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Reviewed-by: Bo Tu <tubo@linux.vnet.ibm.com>
Message-id: 1460472980-26319-4-git-send-email-silbe@linux.vnet.ibm.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
2016-04-15 17:56:56 +02:00

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#!/bin/bash
#
# Test that qemu-img info --backing-chain detects infinite loops
#
# Copyright (C) 2012 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# creator
owner=stefanha@redhat.com
seq=`basename $0`
echo "QA output created by $seq"
here=`pwd`
status=1 # failure is the default!
_cleanup()
{
_cleanup_test_img
rm -f "$TEST_IMG".[123].base
}
trap "_cleanup; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common.rc
. ./common.filter
# Any format supporting backing files
_supported_fmt qcow2 qed
_supported_proto file
_supported_os Linux
size=128M
_make_test_img $size
$QEMU_IMG rebase -u -b "$TEST_IMG" "$TEST_IMG"
echo
echo "== backing file references self =="
_img_info --backing-chain
_make_test_img $size
mv "$TEST_IMG" "$TEST_IMG.base"
_make_test_img -b "$TEST_IMG.base" $size
$QEMU_IMG rebase -u -b "$TEST_IMG" "$TEST_IMG.base"
echo
echo "== parent references self =="
_img_info --backing-chain
_make_test_img $size
mv "$TEST_IMG" "$TEST_IMG.1.base"
_make_test_img -b "$TEST_IMG.1.base" $size
mv "$TEST_IMG" "$TEST_IMG.2.base"
_make_test_img -b "$TEST_IMG.2.base" $size
mv "$TEST_IMG" "$TEST_IMG.3.base"
_make_test_img -b "$TEST_IMG.3.base" $size
$QEMU_IMG rebase -u -b "$TEST_IMG.2.base" "$TEST_IMG.1.base"
echo
echo "== ancestor references another ancestor =="
_img_info --backing-chain
_make_test_img $size
mv "$TEST_IMG" "$TEST_IMG.1.base"
_make_test_img -b "$TEST_IMG.1.base" $size
mv "$TEST_IMG" "$TEST_IMG.2.base"
_make_test_img -b "$TEST_IMG.2.base" $size
echo
echo "== finite chain of length 3 (human) =="
_img_info --backing-chain
echo
echo "== finite chain of length 3 (json) =="
_img_info --backing-chain --output=json
# success, all done
echo "*** done"
rm -f $seq.full
status=0