tests/qemu-iotests/301

   1 #!/usr/bin/env bash
   2 # group: backing quick
   3 #
   4 # Test qcow backing file warnings
   5 #
   6 # Copyright (C) 2020-2021 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 seq=`basename $0`
  23 echo "QA output created by $seq"
  24
  25 status=1 # failure is the default!
  26
  27 _cleanup()
  28 {
  29     _cleanup_test_img
  30     _rm_test_img "$TEST_IMG.qcow2"
  31 }
  32 trap "_cleanup; exit \$status" 0 1 2 3 15
  33
  34 # get standard environment, filters and checks
  35 . ./common.rc
  36 . ./common.filter
  37
  38 _supported_fmt qcow
  39 _supported_proto file
  40 _supported_os Linux
  41
  42 size=32M
  43
  44 echo
  45 echo "== qcow backed by qcow =="
  46
  47 TEST_IMG="$TEST_IMG.base" _make_test_img $size
  48 _make_test_img -b "$TEST_IMG.base" $size
  49 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT $size
  50 _img_info
  51
  52 echo
  53 echo "== mismatched command line detection =="
  54
  55 _make_test_img -b "$TEST_IMG.base" -F vmdk
  56 _make_test_img -b "$TEST_IMG.base" -F vmdk $size
  57 echo
  58 # Use of -u bypasses the backing format sanity check
  59 _make_test_img -u -b "$TEST_IMG.base" -F vmdk
  60 _make_test_img -u -b "$TEST_IMG.base" -F vmdk $size
  61 echo
  62 # But the format must still be recognized
  63 _make_test_img -b "$TEST_IMG.base" -F garbage $size
  64 _make_test_img -u -b "$TEST_IMG.base" -F garbage $size
  65 _img_info
  66
  67 echo
  68 echo "== qcow backed by raw =="
  69
  70 rm "$TEST_IMG.base"
  71 truncate --size=$size "$TEST_IMG.base"
  72 _make_test_img -b "$TEST_IMG.base" $size
  73 _make_test_img -b "$TEST_IMG.base" -F raw $size
  74 _img_info
  75
  76 echo
  77 echo "== commit cannot change type of raw backing file =="
  78 TEST_IMG="$TEST_IMG.qcow2" IMGFMT=qcow2 _make_test_img $size
  79 truncate --size=$size "$TEST_IMG.qcow2"
  80 $QEMU_IMG convert -n -f raw -O $IMGFMT "$TEST_IMG.qcow2" "$TEST_IMG"
  81 $QEMU_IMG commit -f $IMGFMT "$TEST_IMG" && echo "unexpected success"
  82 TEST_IMG="$TEST_IMG.base" _img_info
  83
  84 # success, all done
  85 echo "*** done"
  86 rm -f $seq.full
  87 status=0