029 (2843B)
1 #!/usr/bin/env bash 2 # group: rw auto quick 3 # 4 # qcow2 internal snapshots/VM state tests 5 # 6 # Copyright (C) 2011 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=kwolf@redhat.com 24 25 seq=`basename $0` 26 echo "QA output created by $seq" 27 28 status=1 # failure is the default! 29 30 _cleanup() 31 { 32 _rm_test_img "$TEST_IMG.snap" 33 _cleanup_test_img 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 # Any format supporting intenal snapshots 43 _supported_fmt qcow2 44 _supported_proto generic 45 # Internal snapshots are (currently) impossible with refcount_bits=1, 46 # and generally impossible with external data files 47 _unsupported_imgopts 'refcount_bits=1[^0-9]' data_file 48 49 offset_size=24 50 offset_l1_size=36 51 52 echo 53 echo Test loading internal snapshots where the L1 table of the snapshot 54 echo is smaller than the current L1 table. 55 echo 56 57 CLUSTER_SIZE=65536 58 _make_test_img 64M 59 $QEMU_IMG snapshot -c foo "$TEST_IMG" 60 $QEMU_IO -c 'write -b 0 4k' "$TEST_IMG" | _filter_qemu_io 61 $QEMU_IMG snapshot -a foo "$TEST_IMG" 62 _check_test_img 63 64 CLUSTER_SIZE=1024 65 _make_test_img 16M 66 $QEMU_IMG snapshot -c foo "$TEST_IMG" 67 $QEMU_IO -c 'write -b 0 4M' "$TEST_IMG" | _filter_qemu_io 68 $QEMU_IMG snapshot -a foo "$TEST_IMG" 69 _check_test_img 70 71 72 echo 73 echo Try using a huge VM state 74 echo 75 76 CLUSTER_SIZE=65536 77 _make_test_img 64M 78 { $QEMU_IO -c "write -b -P 0x11 1T 4k" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 79 { $QEMU_IMG snapshot -c foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 80 { $QEMU_IMG snapshot -a foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 81 { $QEMU_IO -c "read -b -P 0x11 1T 4k" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 82 _check_test_img 83 84 85 echo 86 echo "qcow2_snapshot_load_tmp() should take the L1 size from the snapshot" 87 echo 88 89 CLUSTER_SIZE=512 90 _make_test_img 64M 91 { $QEMU_IMG snapshot -c foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir 92 poke_file "$TEST_IMG" "$offset_size" "\x00\x00\x00\x00\x00\x00\x02\x00" 93 poke_file "$TEST_IMG" "$offset_l1_size" "\x00\x00\x00\x01" 94 { $QEMU_IMG convert -l foo $TEST_IMG $TEST_IMG.snap; } 2>&1 | _filter_qemu_io | _filter_testdir 95 96 97 # success, all done 98 echo "*** done" 99 rm -f $seq.full 100 status=0