tests/qemu-iotests/062

   1 #!/bin/bash
   2 #
   3 # Test case for snapshotting images with unallocated zero clusters in
   4 # qcow2
   5 #
   6 # Copyright (C) 2013 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=mreitz@redhat.com
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 here=`pwd`
  29 tmp=/tmp/$$
  30 status=1        # failure is the default!
  31
  32 _cleanup()
  33 {
  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
  42 # This tests qocw2-specific low-level functionality
  43 _supported_fmt qcow2
  44 _supported_proto generic
  45 _supported_os Linux
  46
  47 IMGOPTS="compat=1.1"
  48 IMG_SIZE=64M
  49
  50 echo
  51 echo "=== Testing snapshotting an image with zero clusters ==="
  52 echo
  53 _make_test_img $IMG_SIZE
  54 # Write some zero clusters
  55 $QEMU_IO -c "write -z 0 256k" "$TEST_IMG" | _filter_qemu_io
  56 # Create a snapshot
  57 $QEMU_IMG snapshot -c foo "$TEST_IMG"
  58 # Check the image (there shouldn't be any errors or leaks)
  59 _check_test_img
  60
  61 # success, all done
  62 echo "*** done"
  63 rm -f $seq.full
  64 status=0