| 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 |