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9dd003a998
We are going to drop group file. Define group in tests as a preparatory
step.
The patch is generated by
cd tests/qemu-iotests
grep '^[0-9]\{3\} ' group | while read line; do
file=$(awk '{print $1}' <<< "$line");
groups=$(sed -e 's/^... //' <<< "$line");
awk "NR==2{print \"# group: $groups\"}1" $file > tmp;
cat tmp > $file;
done
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210116134424.82867-7-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
126 lines
3.5 KiB
Bash
Executable File
126 lines
3.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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# group: rw auto backing quick
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#
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# Tests for rebasing COW images that require zero cluster support
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#
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# Copyright (C) 2019 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=mreitz@redhat.com
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seq=$(basename $0)
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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_rm_test_img "$TEST_IMG.base_new"
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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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# Currently only qcow2 and qed support rebasing, and only qcow2 v3 has
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# zero cluster support
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_supported_fmt qcow2
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_unsupported_imgopts 'compat=0.10'
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_supported_proto file fuse
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_supported_os Linux
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CLUSTER_SIZE=65536
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echo
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echo "=== Test rebase without input base ==="
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echo
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# Cluster allocations to be tested:
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#
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# Backing (new) 11 -- 11 -- 11 --
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# COW image 22 22 11 11 -- --
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#
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# Expected result:
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#
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# COW image 22 22 11 11 00 --
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#
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# (Cluster 2 might be "--" after the rebase, too, but rebase just
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# compares the new backing file to the old one and disregards the
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# overlay. Therefore, it will never discard overlay clusters.)
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_make_test_img $((6 * CLUSTER_SIZE))
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TEST_IMG="$TEST_IMG.base_new" _make_test_img $((6 * CLUSTER_SIZE))
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echo
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$QEMU_IO "$TEST_IMG" \
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-c "write -P 0x22 $((0 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \
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-c "write -P 0x11 $((2 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \
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| _filter_qemu_io
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$QEMU_IO "$TEST_IMG.base_new" \
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-c "write -P 0x11 $((0 * CLUSTER_SIZE)) $CLUSTER_SIZE" \
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-c "write -P 0x11 $((2 * CLUSTER_SIZE)) $CLUSTER_SIZE" \
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-c "write -P 0x11 $((4 * CLUSTER_SIZE)) $CLUSTER_SIZE" \
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| _filter_qemu_io
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echo
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# This should be a no-op
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$QEMU_IMG rebase -b "" "$TEST_IMG"
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# Verify the data is correct
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$QEMU_IO "$TEST_IMG" \
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-c "read -P 0x22 $((0 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \
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-c "read -P 0x11 $((2 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \
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-c "read -P 0x00 $((4 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \
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| _filter_qemu_io
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echo
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# Verify the allocation status (first four cluster should be allocated
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# in TEST_IMG, clusters 4 and 5 should be unallocated (marked as zero
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# clusters here because there is no backing file))
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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echo
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$QEMU_IMG rebase -b "$TEST_IMG.base_new" -F $IMGFMT "$TEST_IMG"
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# Verify the data is correct
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$QEMU_IO "$TEST_IMG" \
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-c "read -P 0x22 $((0 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \
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-c "read -P 0x11 $((2 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \
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-c "read -P 0x00 $((4 * CLUSTER_SIZE)) $((2 * CLUSTER_SIZE))" \
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| _filter_qemu_io
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echo
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# Verify the allocation status (first four cluster should be allocated
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# in TEST_IMG, cluster 4 should be zero, and cluster 5 should be
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# unallocated (signified by '"depth": 1'))
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$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
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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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