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qemu-iotests: Test postcopy migration
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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#!/bin/bash | ||
# | ||
# Test postcopy live migration with shared storage | ||
# | ||
# Copyright (C) 2017 Red Hat, Inc. | ||
# | ||
# This program is free software; you can redistribute it and/or modify | ||
# it under the terms of the GNU General Public License as published by | ||
# the Free Software Foundation; either version 2 of the License, or | ||
# (at your option) any later version. | ||
# | ||
# This program is distributed in the hope that it will be useful, | ||
# but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
# GNU General Public License for more details. | ||
# | ||
# You should have received a copy of the GNU General Public License | ||
# along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
# | ||
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# creator | ||
owner=kwolf@redhat.com | ||
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seq=`basename $0` | ||
echo "QA output created by $seq" | ||
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here=`pwd` | ||
status=1 # failure is the default! | ||
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MIG_SOCKET="${TEST_DIR}/migrate" | ||
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_cleanup() | ||
{ | ||
rm -f "${MIG_SOCKET}" | ||
_cleanup_test_img | ||
_cleanup_qemu | ||
} | ||
trap "_cleanup; exit \$status" 0 1 2 3 15 | ||
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# get standard environment, filters and checks | ||
. ./common.rc | ||
. ./common.filter | ||
. ./common.qemu | ||
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_supported_fmt generic | ||
_supported_proto generic | ||
_supported_os Linux | ||
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size=64M | ||
_make_test_img $size | ||
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echo | ||
echo === Starting VMs === | ||
echo | ||
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qemu_comm_method="monitor" | ||
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_launch_qemu \ | ||
-drive file="${TEST_IMG}",cache=${CACHEMODE},driver=$IMGFMT,id=disk | ||
src=$QEMU_HANDLE | ||
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_launch_qemu \ | ||
-drive file="${TEST_IMG}",cache=${CACHEMODE},driver=$IMGFMT,id=disk \ | ||
-incoming "unix:${MIG_SOCKET}" | ||
dest=$QEMU_HANDLE | ||
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echo | ||
echo === Write something on the source === | ||
echo | ||
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silent= | ||
_send_qemu_cmd $src 'qemu-io disk "write -P 0x55 0 64k"' "(qemu)" | ||
_send_qemu_cmd $src "" "ops/sec" | ||
_send_qemu_cmd $src 'qemu-io disk "read -P 0x55 0 64k"' "(qemu)" | ||
_send_qemu_cmd $src "" "ops/sec" | ||
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echo | ||
echo === Do postcopy migration to destination === | ||
echo | ||
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# Slow down migration so much that it definitely won't finish before we can | ||
# switch to postcopy | ||
silent=yes | ||
_send_qemu_cmd $src 'migrate_set_speed 4k' "(qemu)" | ||
_send_qemu_cmd $src 'migrate_set_capability postcopy-ram on' "(qemu)" | ||
_send_qemu_cmd $src "migrate -d unix:${MIG_SOCKET}" "(qemu)" | ||
_send_qemu_cmd $src 'migrate_start_postcopy' "(qemu)" | ||
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QEMU_COMM_TIMEOUT=1 qemu_cmd_repeat=10 silent=yes \ | ||
_send_qemu_cmd $src "info migrate" "completed\|failed" | ||
silent=yes _send_qemu_cmd $src "" "(qemu)" | ||
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echo | ||
echo === Do some I/O on the destination === | ||
echo | ||
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# It is important that we use the BlockBackend of the guest device here instead | ||
# of the node name, which would create a new BlockBackend and not test whether | ||
# the guest has the necessary permissions to access the image now | ||
silent= | ||
_send_qemu_cmd $dest 'qemu-io disk "read -P 0x55 0 64k"' "(qemu)" | ||
_send_qemu_cmd $dest "" "ops/sec" | ||
_send_qemu_cmd $dest 'qemu-io disk "write -P 0x66 1M 64k"' "(qemu)" | ||
_send_qemu_cmd $dest "" "ops/sec" | ||
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echo | ||
echo === Shut down and check image === | ||
echo | ||
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_send_qemu_cmd $src 'quit' "" | ||
_send_qemu_cmd $dest 'quit' "" | ||
wait=1 _cleanup_qemu | ||
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_check_test_img | ||
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# success, all done | ||
echo "*** done" | ||
rm -f $seq.full | ||
status=0 |
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QA output created by 181 | ||
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 | ||
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=== Starting VMs === | ||
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=== Write something on the source === | ||
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QEMU X.Y.Z monitor - type 'help' for more information | ||
(qemu) qemu-io disk "write -P 0x55 0 64k" | ||
wrote 65536/65536 bytes at offset 0 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
(qemu) | ||
(qemu) qemu-io disk "read -P 0x55 0 64k" | ||
read 65536/65536 bytes at offset 0 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
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=== Do postcopy migration to destination === | ||
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=== Do some I/O on the destination === | ||
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QEMU X.Y.Z monitor - type 'help' for more information | ||
(qemu) qemu-io disk "read -P 0x55 0 64k" | ||
read 65536/65536 bytes at offset 0 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
(qemu) | ||
(qemu) qemu-io disk "write -P 0x66 1M 64k" | ||
wrote 65536/65536 bytes at offset 1048576 | ||
64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) | ||
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=== Shut down and check image === | ||
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(qemu) quit | ||
(qemu) | ||
(qemu) quit | ||
No errors were found on the image. | ||
*** done |
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174 auto | ||
175 auto quick | ||
176 rw auto backing | ||
181 rw auto migration |