tests/qemu-iotests/036

   1 #!/usr/bin/env bash
   2 # group: rw auto quick
   3 #
   4 # Test qcow2 feature bits
   5 #
   6 # Copyright (C) 2011 Red Hat, Inc.
   7 # Copyright IBM, Corp. 2010
   8 #
   9 # Based on test 031.
  10 #
  11 # This program is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; either version 2 of the License, or
  14 # (at your option) any later version.
  15 #
  16 # This program is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20 #
  21 # You should have received a copy of the GNU General Public License
  22 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 #
  24
  25 # creator
  26 owner=stefanha@redhat.com
  27
  28 seq=`basename $0`
  29 echo "QA output created by $seq"
  30
  31 status=1        # failure is the default!
  32
  33 _cleanup()
  34 {
  35         _cleanup_test_img
  36 }
  37 trap "_cleanup; exit \$status" 0 1 2 3 15
  38
  39 # get standard environment, filters and checks
  40 . ./common.rc
  41 . ./common.filter
  42 . ./common.pattern
  43
  44 # This tests qcow2-specific low-level functionality
  45 _supported_fmt qcow2
  46 _supported_proto file fuse
  47 # Only qcow2v3 and later supports feature bits;
  48 # qcow2.py does not support external data files;
  49 # this test requires a cluster size large enough for the feature table
  50 _unsupported_imgopts 'compat=0.10' data_file \
  51                      'cluster_size=\(512\|1024\|2048\|4096\)'
  52
  53 echo
  54 echo === Image with unknown incompatible feature bit ===
  55 echo
  56 _make_test_img 64M
  57 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
  58
  59 # Without feature table
  60 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  61 _qcow2_dump_header | grep features
  62 $PYTHON qcow2.py "$TEST_IMG" dump-header-exts
  63 _img_info
  64
  65 # With feature table containing bit 63
  66 printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
  67 _img_info
  68
  69 echo
  70 echo === Image with multiple incompatible feature bits ===
  71 echo
  72 _make_test_img 64M
  73 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 61
  74 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 62
  75 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit incompatible 63
  76
  77 # Without feature table
  78 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  79 _img_info
  80
  81 # With feature table containing bit 63
  82 printf "\x00\x3f%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
  83 _img_info
  84
  85 # With feature table containing bit 61
  86 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  87 printf "\x00\x3d%s" "Test feature" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
  88 _img_info
  89
  90 # With feature table containing bits 61 and 62
  91 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  92 printf "\x00\x3d%s\x00%40s\x00\x3e%s\x00%40s" "test1" "" "test2" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
  93 _img_info
  94
  95 # With feature table containing all bits
  96 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
  97 printf "\x00\x3d%s\x00%40s\x00\x3e%s\x00%40s\x00\x3f%s\x00%40s" "test1" "" "test2" "" "test3" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
  98 _img_info
  99
 100 # With feature table containing unrelated bits, including compatible/autoclear
 101 $PYTHON qcow2.py "$TEST_IMG" del-header-ext 0x6803f857
 102 printf "\x01\x3d%s\x00%40s\x00\x3e%s\x00%40s\x02\x3f%s\x00%40s\x00\x3c%s\x00%40s" "test1" "" "test2" "" "test3" "" "test4" "" | $PYTHON qcow2.py "$TEST_IMG" add-header-ext-stdio 0x6803f857
 103 _img_info
 104
 105
 106 echo === Create image with unknown autoclear feature bit ===
 107 echo
 108 _make_test_img 64M
 109 $PYTHON qcow2.py "$TEST_IMG" set-feature-bit autoclear 63
 110 _qcow2_dump_header | grep features
 111 $PYTHON qcow2.py "$TEST_IMG" dump-header-exts
 112
 113 echo
 114 echo === Repair image ===
 115 echo
 116 _check_test_img -r all
 117
 118 _qcow2_dump_header | grep features
 119 $PYTHON qcow2.py "$TEST_IMG" dump-header-exts
 120
 121 # success, all done
 122 echo "*** done"
 123 rm -f $seq.full
 124 status=0