1514d9da5SStefan Hajnoczi#!/bin/bash 2514d9da5SStefan Hajnoczi# 3514d9da5SStefan Hajnoczi# Test that qemu-img info --backing-chain detects infinite loops 4514d9da5SStefan Hajnoczi# 5514d9da5SStefan Hajnoczi# Copyright (C) 2012 Red Hat, Inc. 6514d9da5SStefan Hajnoczi# 7514d9da5SStefan Hajnoczi# This program is free software; you can redistribute it and/or modify 8514d9da5SStefan Hajnoczi# it under the terms of the GNU General Public License as published by 9514d9da5SStefan Hajnoczi# the Free Software Foundation; either version 2 of the License, or 10514d9da5SStefan Hajnoczi# (at your option) any later version. 11514d9da5SStefan Hajnoczi# 12514d9da5SStefan Hajnoczi# This program is distributed in the hope that it will be useful, 13514d9da5SStefan Hajnoczi# but WITHOUT ANY WARRANTY; without even the implied warranty of 14514d9da5SStefan Hajnoczi# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15514d9da5SStefan Hajnoczi# GNU General Public License for more details. 16514d9da5SStefan Hajnoczi# 17514d9da5SStefan Hajnoczi# You should have received a copy of the GNU General Public License 18514d9da5SStefan Hajnoczi# along with this program. If not, see <http://www.gnu.org/licenses/>. 19514d9da5SStefan Hajnoczi# 20514d9da5SStefan Hajnoczi 21514d9da5SStefan Hajnoczi# creator 22514d9da5SStefan Hajnocziowner=stefanha@redhat.com 23514d9da5SStefan Hajnoczi 24514d9da5SStefan Hajnocziseq=`basename $0` 25514d9da5SStefan Hajnocziecho "QA output created by $seq" 26514d9da5SStefan Hajnoczi 27514d9da5SStefan Hajnoczihere=`pwd` 28514d9da5SStefan Hajnoczitmp=/tmp/$$ 29514d9da5SStefan Hajnoczistatus=1 # failure is the default! 30514d9da5SStefan Hajnoczi 31514d9da5SStefan Hajnoczi_cleanup() 32514d9da5SStefan Hajnoczi{ 33514d9da5SStefan Hajnoczi _cleanup_test_img 34514d9da5SStefan Hajnoczi rm -f $TEST_IMG.[123].base 35514d9da5SStefan Hajnoczi} 36514d9da5SStefan Hajnoczitrap "_cleanup; exit \$status" 0 1 2 3 15 37514d9da5SStefan Hajnoczi 38514d9da5SStefan Hajnoczi# get standard environment, filters and checks 39514d9da5SStefan Hajnoczi. ./common.rc 40514d9da5SStefan Hajnoczi. ./common.filter 41514d9da5SStefan Hajnoczi 42514d9da5SStefan Hajnoczi# Any format supporting backing files 43*dbcdd7cbSFam Zheng_supported_fmt qcow2 qed 44514d9da5SStefan Hajnoczi_supported_proto generic 45514d9da5SStefan Hajnoczi_supported_os Linux 46514d9da5SStefan Hajnoczi 47514d9da5SStefan Hajnoczi 48514d9da5SStefan Hajnoczisize=128M 49514d9da5SStefan Hajnoczi_make_test_img $size 50514d9da5SStefan Hajnoczi$QEMU_IMG rebase -u -b $TEST_IMG $TEST_IMG 51514d9da5SStefan Hajnoczi 52514d9da5SStefan Hajnocziecho 53514d9da5SStefan Hajnocziecho "== backing file references self ==" 54514d9da5SStefan Hajnoczi_img_info --backing-chain 55514d9da5SStefan Hajnoczi 56514d9da5SStefan Hajnoczi_make_test_img $size 57514d9da5SStefan Hajnoczimv $TEST_IMG $TEST_IMG.base 58514d9da5SStefan Hajnoczi_make_test_img -b $TEST_IMG.base $size 59514d9da5SStefan Hajnoczi$QEMU_IMG rebase -u -b $TEST_IMG $TEST_IMG.base 60514d9da5SStefan Hajnoczi 61514d9da5SStefan Hajnocziecho 62514d9da5SStefan Hajnocziecho "== parent references self ==" 63514d9da5SStefan Hajnoczi_img_info --backing-chain 64514d9da5SStefan Hajnoczi 65514d9da5SStefan Hajnoczi_make_test_img $size 66514d9da5SStefan Hajnoczimv $TEST_IMG $TEST_IMG.1.base 67514d9da5SStefan Hajnoczi_make_test_img -b $TEST_IMG.1.base $size 68514d9da5SStefan Hajnoczimv $TEST_IMG $TEST_IMG.2.base 69514d9da5SStefan Hajnoczi_make_test_img -b $TEST_IMG.2.base $size 70514d9da5SStefan Hajnoczimv $TEST_IMG $TEST_IMG.3.base 71514d9da5SStefan Hajnoczi_make_test_img -b $TEST_IMG.3.base $size 72514d9da5SStefan Hajnoczi$QEMU_IMG rebase -u -b $TEST_IMG.2.base $TEST_IMG.1.base 73514d9da5SStefan Hajnoczi 74514d9da5SStefan Hajnocziecho 75514d9da5SStefan Hajnocziecho "== ancestor references another ancestor ==" 76514d9da5SStefan Hajnoczi_img_info --backing-chain 77514d9da5SStefan Hajnoczi 78514d9da5SStefan Hajnoczi_make_test_img $size 79514d9da5SStefan Hajnoczimv $TEST_IMG $TEST_IMG.1.base 80514d9da5SStefan Hajnoczi_make_test_img -b $TEST_IMG.1.base $size 81514d9da5SStefan Hajnoczimv $TEST_IMG $TEST_IMG.2.base 82514d9da5SStefan Hajnoczi_make_test_img -b $TEST_IMG.2.base $size 83514d9da5SStefan Hajnoczi 84514d9da5SStefan Hajnocziecho 85514d9da5SStefan Hajnocziecho "== finite chain of length 3 (human) ==" 86514d9da5SStefan Hajnoczi_img_info --backing-chain 87514d9da5SStefan Hajnoczi 88514d9da5SStefan Hajnocziecho 89514d9da5SStefan Hajnocziecho "== finite chain of length 3 (json) ==" 90514d9da5SStefan Hajnoczi_img_info --backing-chain --output=json 91514d9da5SStefan Hajnoczi 92514d9da5SStefan Hajnoczi# success, all done 93514d9da5SStefan Hajnocziecho "*** done" 94514d9da5SStefan Hajnoczirm -f $seq.full 95514d9da5SStefan Hajnoczistatus=0 96