tests/qemu-iotests/190

   1 #!/usr/bin/env bash
   2 #
   3 # qemu-img measure sub-command tests on huge qcow2 files
   4 #
   5 # Copyright (C) 2017-2020 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 # creator
  22 owner=eblake@redhat.com
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 status=1    # failure is the default!
  28
  29 _cleanup()
  30 {
  31     _cleanup_test_img
  32     _rm_test_img "$TEST_IMG.converted"
  33 }
  34 trap "_cleanup; exit \$status" 0 1 2 3 15
  35
  36 # get standard environment, filters and checks
  37 . ./common.rc
  38 . ./common.filter
  39 . ./common.pattern
  40
  41 # See 178 for more extensive tests across more formats
  42 _supported_fmt qcow2
  43 _supported_proto file
  44 # compat=0.10 does not support bitmaps
  45 _unsupported_imgopts 'compat=0.10'
  46
  47 echo "== Huge file without bitmaps =="
  48 echo
  49
  50 _make_test_img -o 'cluster_size=2M' 2T
  51
  52 $QEMU_IMG measure -O raw -f qcow2 "$TEST_IMG"
  53 $QEMU_IMG measure -O qcow2 -o cluster_size=64k -f qcow2 "$TEST_IMG"
  54 $QEMU_IMG measure -O qcow2 -o cluster_size=2M -f qcow2 "$TEST_IMG"
  55
  56 echo
  57 echo "== Huge file with bitmaps =="
  58 echo
  59
  60 $QEMU_IMG bitmap --add --granularity 512 -f qcow2 "$TEST_IMG" b1
  61 $QEMU_IMG bitmap --add -g 2M -f qcow2 "$TEST_IMG" b2
  62
  63 # No bitmap without a source
  64 $QEMU_IMG measure -O qcow2 --size 10M
  65 # No bitmap output, since raw does not support it
  66 $QEMU_IMG measure -O raw -f qcow2 "$TEST_IMG"
  67 # No bitmap output, since no bitmaps on raw source. Munge required size, as
  68 # some filesystems store the qcow2 file with less sparseness than others
  69 $QEMU_IMG measure -O qcow2 -f raw "$TEST_IMG" |
  70     sed '/^required size:/ s/[0-9][0-9]*/SIZE/'
  71 # No bitmap output, since v2 does not support it
  72 $QEMU_IMG measure -O qcow2 -o compat=0.10 -f qcow2 "$TEST_IMG"
  73
  74 # Compute expected output: bitmap clusters + bitmap tables + bitmaps directory
  75 echo
  76 val2T=$((2*1024*1024*1024*1024))
  77 cluster=$((64*1024))
  78 b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
  79 b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
  80 echo expected bitmap $((b1clusters * cluster +
  81                         (b1clusters * 8 + cluster - 1) / cluster * cluster +
  82                         b2clusters * cluster +
  83                         (b2clusters * 8 + cluster - 1) / cluster * cluster +
  84                         cluster))
  85 $QEMU_IMG measure -O qcow2 -o cluster_size=64k -f qcow2 "$TEST_IMG"
  86
  87 # Compute expected output: bitmap clusters + bitmap tables + bitmaps directory
  88 echo
  89 cluster=$((2*1024*1024))
  90 b1clusters=$(( (val2T/512/8 + cluster - 1) / cluster ))
  91 b2clusters=$(( (val2T/2/1024/1024/8 + cluster - 1) / cluster ))
  92 echo expected bitmap $((b1clusters * cluster +
  93                         (b1clusters * 8 + cluster - 1) / cluster * cluster +
  94                         b2clusters * cluster +
  95                         (b2clusters * 8 + cluster - 1) / cluster * cluster +
  96                         cluster))
  97 $QEMU_IMG measure --output=json -O qcow2 -o cluster_size=2M -f qcow2 "$TEST_IMG"
  98
  99 # success, all done
 100 echo "*** done"
 101 rm -f $seq.full
 102 status=0