tests/qemu-iotests/190

   1 #!/usr/bin/env bash
   2 # group: rw auto quick
   3 #
   4 # qemu-img measure sub-command tests on huge qcow2 files
   5 #
   6 # Copyright (C) 2017-2020 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 # creator
  23 owner=eblake@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.converted"
  34 }
  35 trap "_cleanup; exit \$status" 0 1 2 3 15
  36
  37 # get standard environment, filters and checks
  38 . ./common.rc
  39 . ./common.filter
  40 . ./common.pattern
  41
  42 # See 178 for more extensive tests across more formats
  43 _supported_fmt qcow2
  44 _supported_proto file
  45 # compat=0.10 does not support bitmaps
  46 _unsupported_imgopts 'compat=0.10'
  47
  48 echo "== Huge file without bitmaps =="
  49 echo
  50
  51 _make_test_img -o 'cluster_size=2M' 2T
  52
  53 $QEMU_IMG measure -O raw -f qcow2 "$TEST_IMG"
  54 $QEMU_IMG measure -O qcow2 -o cluster_size=64k -f qcow2 "$TEST_IMG"
  55 $QEMU_IMG measure -O qcow2 -o cluster_size=2M -f qcow2 "$TEST_IMG"
  56
  57 echo
  58 echo "== Huge file with bitmaps =="
  59 echo
  60
  61 $QEMU_IMG bitmap --add --granularity 512 -f qcow2 "$TEST_IMG" b1
  62 $QEMU_IMG bitmap --add -g 2M -f qcow2 "$TEST_IMG" b2
  63
  64 # No bitmap without a source
  65 $QEMU_IMG measure -O qcow2 --size 10M
  66 # No bitmap output, since raw does not support it
  67 $QEMU_IMG measure -O raw -f qcow2 "$TEST_IMG"
  68 # No bitmap output, since no bitmaps on raw source. Munge required size, as
  69 # some filesystems store the qcow2 file with less sparseness than others
  70 $QEMU_IMG measure -O qcow2 -f raw "$TEST_IMG" |
  71     sed '/^required size:/ s/[0-9][0-9]*/SIZE/'
  72 # No bitmap output, since v2 does not support it
  73 $QEMU_IMG measure -O qcow2 -o compat=0.10 -f qcow2 "$TEST_IMG"
  74
  75 # Compute expected output: bitmap clusters + bitmap tables + bitmaps directory
  76 echo
  77 val2T=$((2*1024*1024*1024*1024))
  78 cluster=$((64*1024))
  79 b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
  80 b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
  81 echo expected bitmap $((b1clusters * cluster +
  82                         (b1clusters * 8 + cluster - 1) / cluster * cluster +
  83                         b2clusters * cluster +
  84                         (b2clusters * 8 + cluster - 1) / cluster * cluster +
  85                         cluster))
  86 $QEMU_IMG measure -O qcow2 -o cluster_size=64k -f qcow2 "$TEST_IMG"
  87
  88 # Compute expected output: bitmap clusters + bitmap tables + bitmaps directory
  89 echo
  90 cluster=$((2*1024*1024))
  91 b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
  92 b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
  93 echo expected bitmap $((b1clusters * cluster +
  94                         (b1clusters * 8 + cluster - 1) / cluster * cluster +
  95                         b2clusters * cluster +
  96                         (b2clusters * 8 + cluster - 1) / cluster * cluster +
  97                         cluster))
  98 $QEMU_IMG measure --output=json -O qcow2 -o cluster_size=2M -f qcow2 "$TEST_IMG"
  99
 100 # success, all done
 101 echo "*** done"
 102 rm -f $seq.full
 103 status=0