tests/qemu-iotests/050

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