ecb4c1d116
Overwriting IMGOPTS means ignoring all user-supplied options, which is not what we want. Replace the current IMGOPTS use by a new BACKING_FILE variable. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Message-id: 20191107163708.833192-14-mreitz@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
174 lines
4.9 KiB
Bash
Executable File
174 lines
4.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Test which nodes are involved in internal snapshots
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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=kwolf@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_test_img
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rm -f "$SOCK_DIR/nbd"
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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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_supported_fmt qcow2
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_supported_proto file
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_supported_os Linux
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_require_drivers copy-on-read
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# Internal snapshots are (currently) impossible with refcount_bits=1
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_unsupported_imgopts 'refcount_bits=1[^0-9]'
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do_run_qemu()
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{
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echo Testing: "$@"
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(
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if ! test -t 0; then
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while read cmd; do
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echo $cmd
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done
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fi
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echo quit
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) | $QEMU -nographic -monitor stdio -nodefaults "$@"
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echo
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}
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run_qemu()
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{
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do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_hmp |
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_filter_generated_node_ids | _filter_imgfmt | _filter_vmstate_size
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}
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size=128M
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run_test()
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{
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if [ -n "$BACKING_FILE" ]; then
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_make_test_img -b "$BACKING_FILE" $size
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else
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_make_test_img $size
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fi
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printf "savevm snap0\ninfo snapshots\nloadvm snap0\n" | run_qemu "$@" | _filter_date
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}
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echo
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echo "=== No block devices at all ==="
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echo
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run_test
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echo
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echo "=== -drive if=none ==="
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echo
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run_test -drive driver=file,file="$TEST_IMG",if=none
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run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=none
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run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=none -device virtio-blk,drive=none0
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echo
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echo "=== -drive if=virtio ==="
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echo
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run_test -drive driver=file,file="$TEST_IMG",if=virtio
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run_test -drive driver=$IMGFMT,file="$TEST_IMG",if=virtio
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echo
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echo "=== Simple -blockdev ==="
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echo
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run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file
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run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \
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-blockdev driver=$IMGFMT,file=file,node-name=fmt
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run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \
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-blockdev driver=raw,file=file,node-name=raw \
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-blockdev driver=$IMGFMT,file=raw,node-name=fmt
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echo
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echo "=== -blockdev with a filter on top ==="
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echo
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run_test -blockdev driver=file,filename="$TEST_IMG",node-name=file \
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-blockdev driver=$IMGFMT,file=file,node-name=fmt \
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-blockdev driver=copy-on-read,file=fmt,node-name=filter
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echo
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echo "=== -blockdev with a backing file ==="
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echo
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TEST_IMG="$TEST_IMG.base" _make_test_img $size
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BACKING_FILE="$TEST_IMG.base" \
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run_test -blockdev driver=file,filename="$TEST_IMG.base",node-name=backing-file \
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-blockdev driver=file,filename="$TEST_IMG",node-name=file \
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-blockdev driver=$IMGFMT,file=file,backing=backing-file,node-name=fmt
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BACKING_FILE="$TEST_IMG.base" \
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run_test -blockdev driver=file,filename="$TEST_IMG.base",node-name=backing-file \
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-blockdev driver=$IMGFMT,file=backing-file,node-name=backing-fmt \
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-blockdev driver=file,filename="$TEST_IMG",node-name=file \
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-blockdev driver=$IMGFMT,file=file,backing=backing-fmt,node-name=fmt
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# A snapshot should be present on the overlay, but not the backing file
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echo Internal snapshots on overlay:
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$QEMU_IMG snapshot -l "$TEST_IMG" | _filter_date | _filter_vmstate_size
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echo Internal snapshots on backing file:
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$QEMU_IMG snapshot -l "$TEST_IMG.base" | _filter_date | _filter_vmstate_size
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echo
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echo "=== -blockdev with NBD server on the backing file ==="
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echo
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_make_test_img -b "$TEST_IMG.base" $size
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cat <<EOF |
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nbd_server_start unix:$SOCK_DIR/nbd
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nbd_server_add -w backing-fmt
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savevm snap0
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info snapshots
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loadvm snap0
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EOF
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run_qemu -blockdev driver=file,filename="$TEST_IMG.base",node-name=backing-file \
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-blockdev driver=$IMGFMT,file=backing-file,node-name=backing-fmt \
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-blockdev driver=file,filename="$TEST_IMG",node-name=file \
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-blockdev driver=$IMGFMT,file=file,backing=backing-fmt,node-name=fmt |
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_filter_date
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# This time, a snapshot should be created on both files
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echo Internal snapshots on overlay:
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$QEMU_IMG snapshot -l "$TEST_IMG" | _filter_date | _filter_vmstate_size
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echo Internal snapshots on backing file:
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$QEMU_IMG snapshot -l "$TEST_IMG.base" | _filter_date | _filter_vmstate_size
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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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