1#!/bin/bash 2# 3# Test case for image option amendment in qcow2. 4# 5# Copyright (C) 2013 Red Hat, Inc. 6# 7# This program is free software; you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 2 of the License, or 10# (at your option) any later version. 11# 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with this program. If not, see <http://www.gnu.org/licenses/>. 19# 20 21# creator 22owner=mreitz@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27here=`pwd` 28tmp=/tmp/$$ 29status=1 # failure is the default! 30 31_cleanup() 32{ 33 _cleanup_test_img 34} 35trap "_cleanup; exit \$status" 0 1 2 3 15 36 37# get standard environment, filters and checks 38. ./common.rc 39. ./common.filter 40 41# This tests qocw2-specific low-level functionality 42_supported_fmt qcow2 43_supported_proto file 44_supported_os Linux 45 46echo 47echo "=== Testing version downgrade with zero expansion ===" 48echo 49IMGOPTS="compat=1.1,lazy_refcounts=on" _make_test_img 64M 50$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 51./qcow2.py "$TEST_IMG" dump-header 52$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 53./qcow2.py "$TEST_IMG" dump-header 54$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 55_check_test_img 56 57echo 58echo "=== Testing dirty version downgrade ===" 59echo 60IMGOPTS="compat=1.1,lazy_refcounts=on" _make_test_img 64M 61$QEMU_IO -c "write -P 0x2a 0 128k" -c flush -c abort "$TEST_IMG" | _filter_qemu_io 62./qcow2.py "$TEST_IMG" dump-header 63$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 64./qcow2.py "$TEST_IMG" dump-header 65$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 66_check_test_img 67 68echo 69echo "=== Testing version downgrade with unknown compat/autoclear flags ===" 70echo 71IMGOPTS="compat=1.1" _make_test_img 64M 72./qcow2.py "$TEST_IMG" set-feature-bit compatible 42 73./qcow2.py "$TEST_IMG" set-feature-bit autoclear 42 74./qcow2.py "$TEST_IMG" dump-header 75$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 76./qcow2.py "$TEST_IMG" dump-header 77_check_test_img 78 79echo 80echo "=== Testing version upgrade and resize ===" 81echo 82IMGOPTS="compat=0.10" _make_test_img 64M 83$QEMU_IO -c "write -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io 84./qcow2.py "$TEST_IMG" dump-header 85$QEMU_IMG amend -o "compat=1.1,lazy_refcounts=on,size=128M" "$TEST_IMG" 86./qcow2.py "$TEST_IMG" dump-header 87$QEMU_IO -c "read -P 0x2a 42M 64k" "$TEST_IMG" | _filter_qemu_io 88_check_test_img 89 90echo 91echo "=== Testing dirty lazy_refcounts=off ===" 92echo 93IMGOPTS="compat=1.1,lazy_refcounts=on" _make_test_img 64M 94$QEMU_IO -c "write -P 0x2a 0 128k" -c flush -c abort "$TEST_IMG" | _filter_qemu_io 95./qcow2.py "$TEST_IMG" dump-header 96$QEMU_IMG amend -o "lazy_refcounts=off" "$TEST_IMG" 97./qcow2.py "$TEST_IMG" dump-header 98$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 99_check_test_img 100 101echo 102echo "=== Testing backing file ===" 103echo 104IMGOPTS="compat=1.1" _make_test_img 64M 105IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 64M 106$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 107$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 108$QEMU_IMG amend -o "backing_file=$TEST_IMG.base,backing_fmt=qcow2" "$TEST_IMG" 109$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 110_check_test_img 111 112echo 113echo "=== Testing invalid configurations ===" 114echo 115IMGOPTS="compat=0.10" _make_test_img 64M 116$QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG" 117$QEMU_IMG amend -o "compat=1.1" "$TEST_IMG" # actually valid 118$QEMU_IMG amend -o "compat=0.10,lazy_refcounts=on" "$TEST_IMG" 119$QEMU_IMG amend -o "compat=0.42" "$TEST_IMG" 120$QEMU_IMG amend -o "foo=bar" "$TEST_IMG" 121$QEMU_IMG amend -o "cluster_size=1k" "$TEST_IMG" 122$QEMU_IMG amend -o "encryption=on" "$TEST_IMG" 123$QEMU_IMG amend -o "preallocation=on" "$TEST_IMG" 124 125echo 126echo "=== Testing correct handling of unset value ===" 127echo 128IMGOPTS="compat=1.1,cluster_size=1k" _make_test_img 64M 129echo "Should work:" 130$QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG" 131echo "Should not work:" # Just to know which of these tests actually fails 132$QEMU_IMG amend -o "cluster_size=64k" "$TEST_IMG" 133 134echo 135echo "=== Testing zero expansion on inactive clusters ===" 136echo 137IMGOPTS="compat=1.1" _make_test_img 64M 138$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 139$QEMU_IMG snapshot -c foo "$TEST_IMG" 140$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 141$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 142_check_test_img 143$QEMU_IO -c "read -P 0x2a 0 128k" "$TEST_IMG" | _filter_qemu_io 144$QEMU_IMG snapshot -a foo "$TEST_IMG" 145_check_test_img 146$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 147 148echo 149echo "=== Testing zero expansion on shared L2 table ===" 150echo 151IMGOPTS="compat=1.1" _make_test_img 64M 152$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 153$QEMU_IMG snapshot -c foo "$TEST_IMG" 154$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 155_check_test_img 156$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 157$QEMU_IMG snapshot -a foo "$TEST_IMG" 158_check_test_img 159$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 160 161echo 162echo "=== Testing zero expansion on backed image ===" 163echo 164IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 64M 165$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 166IMGOPTS="compat=1.1" _make_test_img -b "$TEST_IMG.base" 64M 167$QEMU_IO -c "read -P 0x2a 0 128k" -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io 168$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 169_check_test_img 170$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io 171 172echo 173echo "=== Testing zero expansion on backed inactive clusters ===" 174echo 175IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 64M 176$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 177IMGOPTS="compat=1.1" _make_test_img -b "$TEST_IMG.base" 64M 178$QEMU_IO -c "write -z 0 64k" "$TEST_IMG" | _filter_qemu_io 179$QEMU_IMG snapshot -c foo "$TEST_IMG" 180$QEMU_IO -c "write -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io 181$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 182_check_test_img 183$QEMU_IO -c "read -P 0x42 0 128k" "$TEST_IMG" | _filter_qemu_io 184$QEMU_IMG snapshot -a foo "$TEST_IMG" 185_check_test_img 186$QEMU_IO -c "read -P 0 0 64k" -c "read -P 0x2a 64k 64k" "$TEST_IMG" | _filter_qemu_io 187 188echo 189echo "=== Testing zero expansion on backed image with shared L2 table ===" 190echo 191IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG.base" _make_test_img 64M 192$QEMU_IO -c "write -P 0x2a 0 128k" "$TEST_IMG.base" | _filter_qemu_io 193IMGOPTS="compat=1.1" _make_test_img -b "$TEST_IMG.base" 64M 194$QEMU_IO -c "write -z 0 128k" "$TEST_IMG" | _filter_qemu_io 195$QEMU_IMG snapshot -c foo "$TEST_IMG" 196$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 197_check_test_img 198$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 199$QEMU_IMG snapshot -a foo "$TEST_IMG" 200_check_test_img 201$QEMU_IO -c "read -P 0 0 128k" "$TEST_IMG" | _filter_qemu_io 202 203echo 204echo "=== Testing preallocated zero expansion on full image ===" 205echo 206IMGOPTS="compat=1.1" TEST_IMG="$TEST_IMG" _make_test_img 64M 207$QEMU_IO -c "write -P 0x2a 0 64M" "$TEST_IMG" -c "write -z 0 64M" | _filter_qemu_io 208$QEMU_IMG amend -o "compat=0.10" "$TEST_IMG" 209_check_test_img 210$QEMU_IO -c "read -P 0 0 64M" "$TEST_IMG" | _filter_qemu_io 211 212# success, all done 213echo "*** done" 214rm -f $seq.full 215status=0 216