tests/qemu-iotests/098

   1 #!/usr/bin/env bash
   2 #
   3 # Test qcow2's bdrv_make_empty for images without internal snapshots
   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=mreitz@redhat.com
  23
  24 seq="$(basename $0)"
  25 echo "QA output created by $seq"
  26
  27 status=1        # failure is the default!
  28
  29 _cleanup()
  30 {
  31     _cleanup_test_img
  32     rm -f "$TEST_DIR/blkdebug.conf"
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39 . ./common.pattern
  40
  41 _supported_fmt qcow2
  42 _supported_proto file
  43 # The code path we want to test here only works for compat=1.1 images;
  44 # blkdebug can only inject errors on bs->file, so external data files
  45 # do not work with this test
  46 _unsupported_imgopts 'compat=0.10' data_file
  47
  48 for event in l1_update empty_image_prepare reftable_update refblock_alloc; do
  49
  50 echo
  51 echo "=== $event ==="
  52 echo
  53
  54 TEST_IMG="$TEST_IMG.base" _make_test_img 64M
  55 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 64M
  56
  57 # Some data that can be leaked when emptying the top image
  58 $QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
  59
  60 cat > "$TEST_DIR/blkdebug.conf" <<EOF
  61 [inject-error]
  62 event = "$event"
  63 EOF
  64
  65 $QEMU_IMG commit "blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" 2>&1 \
  66     | _filter_testdir | _filter_imgfmt
  67
  68 # There may be errors, but they should be fixed by opening the image
  69 $QEMU_IO -c close "$TEST_IMG"
  70
  71 _check_test_img
  72
  73 done
  74
  75
  76 rm -f "$TEST_DIR/blkdebug.conf"
  77
  78 # success, all done
  79 echo "*** done"
  80 rm -f $seq.full
  81 status=0