tests/qemu-iotests/061

   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
  22 owner=mreitz@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 here=`pwd`
  28 tmp=/tmp/$$
  29 status=1        # failure is the default!
  30
  31 _cleanup()
  32 {
  33         _cleanup_test_img
  34 }
  35 trap "_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
  46 echo
  47 echo "=== Testing version downgrade with zero expansion ==="
  48 echo
  49 IMGOPTS="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
  57 echo
  58 echo "=== Testing dirty version downgrade ==="
  59 echo
  60 IMGOPTS="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
  68 echo
  69 echo "=== Testing version downgrade with unknown compat/autoclear flags ==="
  70 echo
  71 IMGOPTS="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
  79 echo
  80 echo "=== Testing version upgrade and resize ==="
  81 echo
  82 IMGOPTS="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
  90 echo
  91 echo "=== Testing dirty lazy_refcounts=off ==="
  92 echo
  93 IMGOPTS="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
 101 echo
 102 echo "=== Testing backing file ==="
 103 echo
 104 IMGOPTS="compat=1.1" _make_test_img 64M
 105 IMGOPTS="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
 112 echo
 113 echo "=== Testing invalid configurations ==="
 114 echo
 115 IMGOPTS="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
 125 echo
 126 echo "=== Testing correct handling of unset value ==="
 127 echo
 128 IMGOPTS="compat=1.1,cluster_size=1k" _make_test_img 64M
 129 echo "Should work:"
 130 $QEMU_IMG amend -o "lazy_refcounts=on" "$TEST_IMG"
 131 echo "Should not work:" # Just to know which of these tests actually fails
 132 $QEMU_IMG amend -o "cluster_size=64k" "$TEST_IMG"
 133
 134 echo
 135 echo "=== Testing zero expansion on inactive clusters ==="
 136 echo
 137 IMGOPTS="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
 148 echo
 149 echo "=== Testing zero expansion on shared L2 table ==="
 150 echo
 151 IMGOPTS="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
 161 echo
 162 echo "=== Testing zero expansion on backed image ==="
 163 echo
 164 IMGOPTS="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
 166 IMGOPTS="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
 172 echo
 173 echo "=== Testing zero expansion on backed inactive clusters ==="
 174 echo
 175 IMGOPTS="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
 177 IMGOPTS="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
 188 echo
 189 echo "=== Testing zero expansion on backed image with shared L2 table ==="
 190 echo
 191 IMGOPTS="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
 193 IMGOPTS="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
 203 echo
 204 echo "=== Testing preallocated zero expansion on full image ==="
 205 echo
 206 IMGOPTS="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
 213 echo "*** done"
 214 rm -f $seq.full
 215 status=0