tests/qemu-iotests/109

   1 #!/usr/bin/env 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 $seq"
  26
  27 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31     _cleanup_qemu
  32     _rm_test_img "$TEST_IMG.src"
  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 . ./common.qemu
  41
  42 _supported_fmt raw
  43 _supported_proto file
  44 _supported_os Linux
  45
  46 qemu_comm_method=qmp
  47
  48 run_qemu()
  49 {
  50     local raw_img="$1"
  51     local source_img="$2"
  52     local qmp_format="$3"
  53     local qmp_event="$4"
  54
  55     _launch_qemu -drive file="${source_img}",format=raw,cache=${CACHEMODE},aio=${AIOMODE},id=src
  56     _send_qemu_cmd $QEMU_HANDLE "{ 'execute': 'qmp_capabilities' }" "return"
  57
  58     _send_qemu_cmd $QEMU_HANDLE \
  59         "{'execute':'drive-mirror', 'arguments':{
  60             'device': 'src', 'target': '$raw_img', $qmp_format
  61             'mode': 'existing', 'sync': 'full'}}" \
  62         "return"
  63
  64     _send_qemu_cmd $QEMU_HANDLE '' "$qmp_event"
  65     if test "$qmp_event" = BLOCK_JOB_ERROR; then
  66         _send_qemu_cmd $QEMU_HANDLE '' '"status": "null"'
  67     fi
  68     _send_qemu_cmd $QEMU_HANDLE '{"execute":"query-block-jobs"}' "return"
  69     _send_qemu_cmd $QEMU_HANDLE '{"execute":"quit"}' "return"
  70     wait=1 _cleanup_qemu
  71 }
  72
  73 for fmt in qcow qcow2 qed vdi vmdk vpc; do
  74
  75     echo
  76     echo "=== Writing a $fmt header into raw ==="
  77     echo
  78
  79     _make_test_img 64M
  80     TEST_IMG="$TEST_IMG.src" IMGFMT=$fmt _make_test_img 64M
  81
  82     # This first test should fail: The image format was probed, we may not
  83     # write an image header at the start of the image
  84     run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR" |
  85         _filter_block_job_len
  86     $QEMU_IO -c 'read -P 0 0 64k' "$TEST_IMG" | _filter_qemu_io
  87
  88
  89     # When raw was explicitly specified, the same must succeed
  90     run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
  91     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
  92
  93 done
  94
  95
  96 for sample_img in empty.bochs iotest-dirtylog-10G-4M.vhdx parallels-v1 \
  97                   simple-pattern.cloop; do
  98
  99     echo
 100     echo "=== Copying sample image $sample_img into raw ==="
 101     echo
 102
 103     # Can't use _use_sample_img because that isn't designed to be used multiple
 104     # times and it overwrites $TEST_IMG (both breaks cleanup)
 105     _make_test_img 64M
 106     bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
 107
 108     run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_ERROR" |
 109         _filter_block_job_offset | _filter_block_job_len
 110     $QEMU_IO -c 'read -P 0 0 64k' "$TEST_IMG" | _filter_qemu_io
 111
 112     run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
 113     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
 114 done
 115
 116 echo
 117 echo "=== Write legitimate MBR into raw ==="
 118 echo
 119
 120 for sample_img in grub_mbr.raw; do
 121     _make_test_img 64M
 122     bzcat "$SAMPLE_IMG_DIR/$sample_img.bz2" > "$TEST_IMG.src"
 123
 124     run_qemu "$TEST_IMG" "$TEST_IMG.src" "" "BLOCK_JOB_READY"
 125     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
 126
 127     run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
 128     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
 129 done
 130
 131
 132 # success, all done
 133 echo '*** done'
 134 rm -f $seq.full
 135 status=0