111a82d14SPhilippe Mathieu-Daudé#!/usr/bin/env bash 2*9dd003a9SVladimir Sementsov-Ogievskiy# group: rw auto backing 3514d9da5SStefan Hajnoczi# 4514d9da5SStefan Hajnoczi# Test that qemu-img info --backing-chain detects infinite loops 5514d9da5SStefan Hajnoczi# 6514d9da5SStefan Hajnoczi# Copyright (C) 2012 Red Hat, Inc. 7514d9da5SStefan Hajnoczi# 8514d9da5SStefan Hajnoczi# This program is free software; you can redistribute it and/or modify 9514d9da5SStefan Hajnoczi# it under the terms of the GNU General Public License as published by 10514d9da5SStefan Hajnoczi# the Free Software Foundation; either version 2 of the License, or 11514d9da5SStefan Hajnoczi# (at your option) any later version. 12514d9da5SStefan Hajnoczi# 13514d9da5SStefan Hajnoczi# This program is distributed in the hope that it will be useful, 14514d9da5SStefan Hajnoczi# but WITHOUT ANY WARRANTY; without even the implied warranty of 15514d9da5SStefan Hajnoczi# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16514d9da5SStefan Hajnoczi# GNU General Public License for more details. 17514d9da5SStefan Hajnoczi# 18514d9da5SStefan Hajnoczi# You should have received a copy of the GNU General Public License 19514d9da5SStefan Hajnoczi# along with this program. If not, see <http://www.gnu.org/licenses/>. 20514d9da5SStefan Hajnoczi# 21514d9da5SStefan Hajnoczi 22514d9da5SStefan Hajnoczi# creator 23514d9da5SStefan Hajnocziowner=stefanha@redhat.com 24514d9da5SStefan Hajnoczi 25514d9da5SStefan Hajnocziseq=`basename $0` 26514d9da5SStefan Hajnocziecho "QA output created by $seq" 27514d9da5SStefan Hajnoczi 28514d9da5SStefan Hajnoczistatus=1 # failure is the default! 29514d9da5SStefan Hajnoczi 30514d9da5SStefan Hajnoczi_cleanup() 31514d9da5SStefan Hajnoczi{ 32514d9da5SStefan Hajnoczi _cleanup_test_img 33f91ecbd7SMax Reitz for img in "$TEST_IMG".[123].base; do 34f91ecbd7SMax Reitz _rm_test_img "$img" 35f91ecbd7SMax Reitz done 36514d9da5SStefan Hajnoczi} 37514d9da5SStefan Hajnoczitrap "_cleanup; exit \$status" 0 1 2 3 15 38514d9da5SStefan Hajnoczi 39514d9da5SStefan Hajnoczi# get standard environment, filters and checks 40514d9da5SStefan Hajnoczi. ./common.rc 41514d9da5SStefan Hajnoczi. ./common.filter 42514d9da5SStefan Hajnoczi 43514d9da5SStefan Hajnoczi# Any format supporting backing files 44dbcdd7cbSFam Zheng_supported_fmt qcow2 qed 451f7bf7d0SPeter Lieven_supported_proto file 46514d9da5SStefan Hajnoczi 47514d9da5SStefan Hajnoczi 48514d9da5SStefan Hajnoczisize=128M 49514d9da5SStefan Hajnoczi_make_test_img $size 50b66ff2c2SEric Blake$QEMU_IMG rebase -u -b "$TEST_IMG" -F $IMGFMT "$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 $size 57fef9c191SJeff Codymv "$TEST_IMG" "$TEST_IMG.base" 58b66ff2c2SEric Blake_make_test_img -b "$TEST_IMG.base" -F $IMGFMT $size 59b66ff2c2SEric Blake$QEMU_IMG rebase -u -b "$TEST_IMG" -F $IMGFMT "$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 $size 66fef9c191SJeff Codymv "$TEST_IMG" "$TEST_IMG.1.base" 67b66ff2c2SEric Blake_make_test_img -b "$TEST_IMG.1.base" -F $IMGFMT $size 68fef9c191SJeff Codymv "$TEST_IMG" "$TEST_IMG.2.base" 69b66ff2c2SEric Blake_make_test_img -b "$TEST_IMG.2.base" -F $IMGFMT $size 70fef9c191SJeff Codymv "$TEST_IMG" "$TEST_IMG.3.base" 71b66ff2c2SEric Blake_make_test_img -b "$TEST_IMG.3.base" -F $IMGFMT $size 72b66ff2c2SEric Blake$QEMU_IMG rebase -u -b "$TEST_IMG.2.base" -F $IMGFMT "$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 $size 79fef9c191SJeff Codymv "$TEST_IMG" "$TEST_IMG.1.base" 80b66ff2c2SEric Blake_make_test_img -b "$TEST_IMG.1.base" -F $IMGFMT $size 81fef9c191SJeff Codymv "$TEST_IMG" "$TEST_IMG.2.base" 82b66ff2c2SEric Blake_make_test_img -b "$TEST_IMG.2.base" -F $IMGFMT $size 83514d9da5SStefan Hajnoczi 84514d9da5SStefan Hajnocziecho 85514d9da5SStefan Hajnocziecho "== finite chain of length 3 (human) ==" 86b66ff2c2SEric Blake# Exclude backing format, since qed differs from qcow2 on what gets stored 87b66ff2c2SEric Blake_img_info --backing-chain | grep -v '^backing file format:' 88514d9da5SStefan Hajnoczi 89514d9da5SStefan Hajnocziecho 90514d9da5SStefan Hajnocziecho "== finite chain of length 3 (json) ==" 91b66ff2c2SEric Blake_img_info --backing-chain --output=json | grep -v 'backing-filename-format' 92514d9da5SStefan Hajnoczi 93514d9da5SStefan Hajnoczi# success, all done 94514d9da5SStefan Hajnocziecho "*** done" 95514d9da5SStefan Hajnoczirm -f $seq.full 96514d9da5SStefan Hajnoczistatus=0 97