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iotests: Add test for dataplane mirroring
Signed-off-by: Max Reitz <mreitz@redhat.com> Message-id: 20170929170843.3711-1-mreitz@redhat.com Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
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Max Reitz
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#!/bin/bash
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#
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# Test case for mirroring with dataplane
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#
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# Copyright (C) 2017 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 $seq"
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here=$PWD
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_qemu
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_cleanup_test_img
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_rm_test_img "$TEST_IMG.overlay0"
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_rm_test_img "$TEST_IMG.overlay1"
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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 qemu instance handling
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. ./common.rc
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. ./common.filter
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. ./common.qemu
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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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IMG_SIZE=64K
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_make_test_img $IMG_SIZE
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TEST_IMG="$TEST_IMG.overlay0" _make_test_img -b "$TEST_IMG" $IMG_SIZE
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TEST_IMG="$TEST_IMG.overlay1" _make_test_img -b "$TEST_IMG" $IMG_SIZE
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# So that we actually have something to mirror and the job does not return
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# immediately (which may be bad because then we cannot know whether the
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# 'return' or the 'BLOCK_JOB_READY' comes first).
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$QEMU_IO -c 'write 0 42' "$TEST_IMG.overlay0" | _filter_qemu_io
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# We cannot use virtio-blk here because that does not actually set the attached
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# BB's AioContext in qtest mode
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_launch_qemu \
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-object iothread,id=iothr \
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-blockdev node-name=source,driver=$IMGFMT,file.driver=file,file.filename="$TEST_IMG.overlay0" \
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-device virtio-scsi,id=scsi-bus,iothread=iothr \
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-device scsi-hd,bus=scsi-bus.0,drive=source
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'qmp_capabilities' }" \
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'return'
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'drive-mirror',
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'arguments': {
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'job-id': 'mirror',
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'device': 'source',
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'target': '$TEST_IMG.overlay1',
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'mode': 'existing',
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'sync': 'top'
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} }" \
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'BLOCK_JOB_READY'
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# The backing BDS should be assigned the overlay's AioContext
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'block-job-complete',
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'arguments': { 'device': 'mirror' } }" \
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'BLOCK_JOB_COMPLETED'
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_send_qemu_cmd $QEMU_HANDLE \
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"{ 'execute': 'quit' }" \
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'return'
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wait=yes _cleanup_qemu
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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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@ -0,0 +1,14 @@
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QA output created by 127
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Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=65536
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Formatting 'TEST_DIR/t.IMGFMT.overlay0', fmt=IMGFMT size=65536 backing_file=TEST_DIR/t.IMGFMT
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Formatting 'TEST_DIR/t.IMGFMT.overlay1', fmt=IMGFMT size=65536 backing_file=TEST_DIR/t.IMGFMT
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wrote 42/42 bytes at offset 0
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42 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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{"return": {}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "mirror", "len": 65536, "offset": 65536, "speed": 0, "type": "mirror"}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "mirror", "len": 65536, "offset": 65536, "speed": 0, "type": "mirror"}}
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{"return": {}}
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{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
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*** done
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@ -133,6 +133,7 @@
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124 rw auto backing
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124 rw auto backing
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125 rw auto
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125 rw auto
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126 rw auto backing
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126 rw auto backing
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127 rw auto backing quick
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128 rw auto quick
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128 rw auto quick
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129 rw auto quick
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129 rw auto quick
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130 rw auto quick
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130 rw auto quick
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