tests/qemu-iotests/098

   1 #!/usr/bin/env bash
   2 # group: rw auto backing quick
   3 #
   4 # Test qcow2's bdrv_make_empty for images without internal snapshots
   5 #
   6 # Copyright (C) 2014 Red Hat, Inc.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner=hreitz@redhat.com
  24
  25 seq="$(basename $0)"
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 _cleanup()
  31 {
  32     _cleanup_test_img
  33     rm -f "$TEST_DIR/blkdebug.conf"
  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.pattern
  41
  42 _supported_fmt qcow2
  43 _supported_proto file fuse
  44 # The code path we want to test here only works for compat=1.1 images;
  45 # blkdebug can only inject errors on bs->file, so external data files
  46 # do not work with this test
  47 _unsupported_imgopts 'compat=0.10' data_file
  48
  49 for event in l1_update empty_image_prepare reftable_update refblock_alloc; do
  50
  51 echo
  52 echo "=== $event ==="
  53 echo
  54
  55 TEST_IMG="$TEST_IMG.base" _make_test_img 64M
  56 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 64M
  57
  58 # Some data that can be leaked when emptying the top image
  59 $QEMU_IO -c 'write 0 64k' "$TEST_IMG" | _filter_qemu_io
  60
  61 cat > "$TEST_DIR/blkdebug.conf" <<EOF
  62 [inject-error]
  63 event = "$event"
  64 EOF
  65
  66 $QEMU_IMG commit "blkdebug:$TEST_DIR/blkdebug.conf:$TEST_IMG" 2>&1 \
  67     | _filter_testdir | _filter_imgfmt
  68
  69 # There may be errors, but they should be fixed by opening the image
  70 $QEMU_IO -c close "$TEST_IMG"
  71
  72 _check_test_img
  73
  74 done
  75
  76
  77 rm -f "$TEST_DIR/blkdebug.conf"
  78
  79 # success, all done
  80 echo "*** done"
  81 rm -f $seq.full
  82 status=0