tests/qemu-iotests/109

   1 #!/bin/bash
   2 #
   3 # Test writing image headers of other formats into raw images
   4 #
   5 # Copyright (C) 2014 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=kwolf@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     rm -f $TEST_IMG.src
  34         _cleanup_test_img
  35 }
  36 trap "_cleanup; exit \$status" 0 1 2 3 15
  37
  38 # get standard environment, filters and checks
  39 . ./common.rc
  40 . ./common.filter
  41 . ./common.qemu
  42
  43 _supported_fmt raw
  44 _supported_proto file
  45 _supported_os Linux
  46
  47 qemu_comm_method=qmp
  48
  49 function run_qemu()
  50 {
  51     local raw_img="$1"
  52     local source_img="$2"
  53     local qmp_format="$3"
  54     local qmp_event="$4"
  55
  56     _launch_qemu -drive file="${source_img}",format=raw,cache=${CACHEMODE},id=src
  57     _send_qemu_cmd $QEMU_HANDLE "{ 'execute': 'qmp_capabilities' }" "return"
  58
  59     _send_qemu_cmd $QEMU_HANDLE \
  60         "{'execute':'drive-mirror', 'arguments':{
  61             'device': 'src', 'target': '$raw_img', $qmp_format
  62             'mode': 'existing', 'sync': 'full'}}" \
  63         "return"
  64
  65     _send_qemu_cmd $QEMU_HANDLE '' "$qmp_event"
  66     _send_qemu_cmd $QEMU_HANDLE '{"execute":"query-block-jobs"}' "return"
  67     _cleanup_qemu
  68 }
  69
  70 for fmt in qcow qcow2 qed vdi vmdk vpc; do
  71
  72     echo
  73     echo "=== Writing a $fmt header into raw ==="
  74     echo
  75
  76     _make_test_img 64M
  77     TEST_IMG="$TEST_IMG.src" IMGFMT=$fmt _make_test_img 64M
  78
  79     # This first test should fail: The image format was probed, we may not
  80     # write an image header at the start of the image
  81     run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR"
  82     $QEMU_IO -c 'read -P 0 0 64k' "$TEST_IMG" | _filter_qemu_io
  83
  84
  85     # When raw was explicitly specified, the same must succeed
  86     run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
  87     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
  88
  89 done
  90
  91
  92 for sample_img in empty.bochs iotest-dirtylog-10G-4M.vhdx parallels-v1 \
  93                   simple-pattern.cloop; do
  94
  95     echo
  96     echo "=== Copying sample image $sample_img into raw ==="
  97     echo
  98
  99     # Can't use _use_sample_img because that isn't designed to be used multiple
 100     # times and it overwrites $TEST_IMG (both breaks cleanup)
 101     _make_test_img 64M
 102     bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
 103
 104     run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR"
 105     $QEMU_IO -c 'read -P 0 0 64k' "$TEST_IMG" | _filter_qemu_io
 106
 107     run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
 108     # qemu-img compare can't handle unaligned file sizes
 109     $QEMU_IMG resize -f raw "$TEST_IMG.src" +0
 110     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
 111 done
 112
 113 echo
 114 echo "=== Write legitimate MBR into raw ==="
 115 echo
 116
 117 for sample_img in grub_mbr.raw; do
 118     _make_test_img 64M
 119     bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
 120
 121     run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_READY"
 122     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
 123
 124     run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
 125     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
 126 done
 127
 128
 129 # success, all done
 130 echo '*** done'
 131 rm -f $seq.full
 132 status=0