tests/qemu-iotests/007

   1 #!/usr/bin/env bash
   2 # group: snapshot auto
   3 #
   4 # Check for one possible case of qcow2 refcount corruption.
   5 #
   6 # Copyright (C) 2009 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=kwolf@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         true
  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
  41 # currently only qcow2 allows for consistency checks using qemu-img
  42 _supported_fmt qcow2
  43 _supported_proto generic
  44 # refcount_bits must be at least 4 so we can create ten internal snapshots
  45 # (1 bit supports none, 2 bits support two, 4 bits support 14);
  46 # snapshot are generally impossible with external data files
  47 _unsupported_imgopts 'refcount_bits=\(1\|2\)[^0-9]' data_file
  48
  49 echo
  50 echo "creating image"
  51 _make_test_img 1M
  52
  53 for ((i=1;i<=10;i++)); do
  54     echo "savevm $i"
  55     $QEMU -nographic -hda "$TEST_IMG" -serial none -monitor stdio >/dev/null 2>&1 <<EOF
  56 savevm test-$i
  57 quit
  58 EOF
  59 done
  60
  61 echo
  62 echo "checking image for errors"
  63 _check_test_img
  64
  65 # success, all done
  66 echo "*** done"
  67 rm -f $seq.full
  68 status=0