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 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" $size
  49 _img_info
  50 _make_test_img -b "$TEST_IMG.base" -F $IMGFMT $size
  51 _img_info
  52
  53 echo
  54 echo "== mismatched command line detection =="
  55
  56 _make_test_img -b "$TEST_IMG.base" -F vmdk
  57 _make_test_img -b "$TEST_IMG.base" -F vmdk $size
  58 echo
  59 # Use of -u bypasses the backing format sanity check
  60 _make_test_img -u -b "$TEST_IMG.base" -F vmdk
  61 _make_test_img -u -b "$TEST_IMG.base" -F vmdk $size
  62 echo
  63 # But the format must still be recognized
  64 _make_test_img -b "$TEST_IMG.base" -F garbage $size
  65 _make_test_img -u -b "$TEST_IMG.base" -F garbage $size
  66 _img_info
  67
  68 echo
  69 echo "== qcow backed by raw =="
  70
  71 rm "$TEST_IMG.base"
  72 truncate --size=$size "$TEST_IMG.base"
  73 _make_test_img -b "$TEST_IMG.base" $size
  74 _img_info
  75 _make_test_img -b "$TEST_IMG.base" -F raw $size
  76 _img_info
  77
  78 echo
  79 echo "== commit cannot change type of raw backing file =="
  80 TEST_IMG="$TEST_IMG.qcow2" IMGFMT=qcow2 _make_test_img $size
  81 truncate --size=$size "$TEST_IMG.qcow2"
  82 $QEMU_IMG convert -n -f raw -O $IMGFMT "$TEST_IMG.qcow2" "$TEST_IMG"
  83 $QEMU_IMG commit -f $IMGFMT "$TEST_IMG" && echo "unexpected success"
  84 TEST_IMG="$TEST_IMG.base" _img_info
  85
  86 # success, all done
  87 echo "*** done"
  88 rm -f $seq.full
  89 status=0