tests/qemu-iotests/050

   1 #!/bin/bash
   2 #
   3 # Test qemu-img rebase with zero clusters
   4 #
   5 # Copyright (C) 2013 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=pbonzini@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 here=`pwd`
  28 tmp=/tmp/$$
  29 status=1        # failure is the default!
  30
  31 _cleanup()
  32 {
  33     _cleanup_test_img
  34     rm -f $TEST_IMG.old
  35     rm -f $TEST_IMG.new
  36 }
  37 trap "_cleanup; exit \$status" 0 1 2 3 15
  38
  39 # get standard environment, filters and checks
  40 . ./common.rc
  41 . ./common.filter
  42
  43 _supported_fmt qcow2 qed
  44 _supported_proto file
  45 _supported_os Linux
  46
  47 if test "$IMGFMT" = qcow2 && test $IMGOPTS = ""; then
  48   IMGOPTS=compat=1.1
  49 fi
  50
  51 echo
  52 echo "== Creating images =="
  53
  54 size=10M
  55 _make_test_img $size
  56 $QEMU_IO -c "write -P 0x40 0 1048576" $TEST_IMG | _filter_qemu_io
  57 mv $TEST_IMG $TEST_IMG.old
  58
  59 _make_test_img $size
  60 $QEMU_IO -c "write -P 0x5a 0 1048576" $TEST_IMG | _filter_qemu_io
  61 mv $TEST_IMG $TEST_IMG.new
  62
  63 _make_test_img -b $TEST_IMG.old $size
  64 $QEMU_IO -c "write -z 0 1048576" $TEST_IMG | _filter_qemu_io
  65
  66 echo
  67 echo "== Rebasing the image =="
  68
  69 $QEMU_IMG rebase -b $TEST_IMG.new $TEST_IMG
  70 $QEMU_IO -c "read -P 0x00 0 1048576" $TEST_IMG | _filter_qemu_io
  71
  72 # success, all done
  73 echo "*** done"
  74 rm -f $seq.full
  75 status=0