tests/qemu-iotests/301

   1 #!/usr/bin/env bash
   2 #
   3 # Test qcow backing file warnings
   4 #
   5 # Copyright (C) 2020 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 seq=`basename $0`
  22 echo "QA output created by $seq"
  23
  24 status=1 # failure is the default!
  25
  26 _cleanup()
  27 {
  28     _cleanup_test_img
  29     _rm_test_img "$TEST_IMG.qcow2"
  30 }
  31 trap "_cleanup; exit \$status" 0 1 2 3 15
  32
  33 # get standard environment, filters and checks
  34 . ./common.rc
  35 . ./common.filter
  36
  37 _supported_fmt qcow
  38 _supported_proto file
  39 _supported_os Linux
  40
  41 size=32M
  42
  43 echo
  44 echo "== qcow backed by qcow =="
  45
  46 TEST_IMG="$TEST_IMG.base" _make_test_img $size
  47 _make_test_img -b "$TEST_IMG.base" $size
  48 _img_info
  49 _make_test_img -b "$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" $size
  73 _img_info
  74 _make_test_img -b "$TEST_IMG.base" -F raw $size
  75 _img_info
  76
  77 echo
  78 echo "== commit cannot change type of raw backing file =="
  79 TEST_IMG="$TEST_IMG.qcow2" IMGFMT=qcow2 _make_test_img $size
  80 truncate --size=$size "$TEST_IMG.qcow2"
  81 $QEMU_IMG convert -n -f raw -O $IMGFMT "$TEST_IMG.qcow2" "$TEST_IMG"
  82 $QEMU_IMG commit -f $IMGFMT "$TEST_IMG" && echo "unexpected success"
  83 TEST_IMG="$TEST_IMG.base" _img_info
  84
  85 # success, all done
  86 echo "*** done"
  87 rm -f $seq.full
  88 status=0