100 lines
2.8 KiB
Bash
Executable file
100 lines
2.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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# group: rw auto quick
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#
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# qcow2 internal snapshots/VM state tests
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#
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# Copyright (C) 2011 Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# creator
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owner=kwolf@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_rm_test_img "$TEST_IMG.snap"
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_cleanup_test_img
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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. ./common.filter
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. ./common.pattern
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# Any format supporting intenal snapshots
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_supported_fmt qcow2
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_supported_proto generic
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# Internal snapshots are (currently) impossible with refcount_bits=1,
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# and generally impossible with external data files
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_unsupported_imgopts 'refcount_bits=1[^0-9]' data_file
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offset_size=24
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offset_l1_size=36
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echo
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echo Test loading internal snapshots where the L1 table of the snapshot
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echo is smaller than the current L1 table.
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echo
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CLUSTER_SIZE=65536
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_make_test_img 64M
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$QEMU_IMG snapshot -c foo "$TEST_IMG"
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$QEMU_IO -c 'write -b 0 4k' "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG snapshot -a foo "$TEST_IMG"
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_check_test_img
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CLUSTER_SIZE=1024
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_make_test_img 16M
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$QEMU_IMG snapshot -c foo "$TEST_IMG"
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$QEMU_IO -c 'write -b 0 4M' "$TEST_IMG" | _filter_qemu_io
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$QEMU_IMG snapshot -a foo "$TEST_IMG"
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_check_test_img
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echo
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echo Try using a huge VM state
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echo
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CLUSTER_SIZE=65536
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_make_test_img 64M
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{ $QEMU_IO -c "write -b -P 0x11 1T 4k" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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{ $QEMU_IMG snapshot -c foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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{ $QEMU_IMG snapshot -a foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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{ $QEMU_IO -c "read -b -P 0x11 1T 4k" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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_check_test_img
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echo
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echo "qcow2_snapshot_load_tmp() should take the L1 size from the snapshot"
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echo
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CLUSTER_SIZE=512
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_make_test_img 64M
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{ $QEMU_IMG snapshot -c foo $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
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poke_file "$TEST_IMG" "$offset_size" "\x00\x00\x00\x00\x00\x00\x02\x00"
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poke_file "$TEST_IMG" "$offset_l1_size" "\x00\x00\x00\x01"
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{ $QEMU_IMG convert -l foo $TEST_IMG $TEST_IMG.snap; } 2>&1 | _filter_qemu_io | _filter_testdir
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# success, all done
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echo "*** done"
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rm -f $seq.full
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status=0
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