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148 lines
3.9 KiB
Bash
148 lines
3.9 KiB
Bash
#!/usr/bin/env bash
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# group: rw auto migration quick
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#
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# Test postcopy live migration with shared storage
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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=kwolf@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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status=1 # failure is the default!
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MIG_SOCKET="${SOCK_DIR}/migrate"
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_cleanup()
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{
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rm -f "${MIG_SOCKET}"
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_cleanup_test_img
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_cleanup_qemu
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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.qemu
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_supported_fmt generic
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# Formats that do not support live migration
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_unsupported_fmt qcow vdi vhdx vmdk vpc vvfat parallels
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_supported_proto generic
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_supported_os Linux
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size=64M
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_make_test_img $size
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echo
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echo === Starting VMs ===
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echo
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qemu_comm_method="monitor"
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if [ "$IMGOPTSSYNTAX" = "true" ]; then
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_launch_qemu \
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-drive "${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,id=disk
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else
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_launch_qemu \
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-drive file="${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,driver=$IMGFMT,id=disk
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fi
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src=$QEMU_HANDLE
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if [ "$IMGOPTSSYNTAX" = "true" ]; then
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_launch_qemu \
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-drive "${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,id=disk \
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-incoming "unix:${MIG_SOCKET}"
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else
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_launch_qemu \
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-drive file="${TEST_IMG}",cache=${CACHEMODE},aio=$AIOMODE,driver=$IMGFMT,id=disk \
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-incoming "unix:${MIG_SOCKET}"
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fi
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dest=$QEMU_HANDLE
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echo
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echo === Write something on the source ===
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echo
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silent=
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_send_qemu_cmd $src 'qemu-io disk "write -P 0x55 0 64k"' "(qemu)"
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_send_qemu_cmd $src "" "ops/sec"
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_send_qemu_cmd $src 'qemu-io disk "read -P 0x55 0 64k"' "(qemu)"
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_send_qemu_cmd $src "" "ops/sec"
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echo
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echo === Do postcopy migration to destination ===
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echo
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# Slow down migration so much that it definitely won't finish before we can
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# switch to postcopy
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# Enable postcopy-ram capability both on source and destination
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silent=yes
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_send_qemu_cmd $dest 'migrate_set_capability postcopy-ram on' "(qemu)"
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qemu_error_no_exit=yes success_or_failure=yes \
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_send_qemu_cmd $dest '' "(qemu)" "Postcopy is not supported"
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if [ ${QEMU_STATUS[$dest]} -lt 0 ]; then
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_send_qemu_cmd $dest '' "(qemu)"
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_send_qemu_cmd $src 'quit' ""
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_send_qemu_cmd $dest 'quit' ""
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wait=1 _cleanup_qemu
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_notrun 'Postcopy is not supported'
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fi
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_send_qemu_cmd $src 'migrate_set_parameter max_bandwidth 4k' "(qemu)"
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_send_qemu_cmd $src 'migrate_set_capability postcopy-ram on' "(qemu)"
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_send_qemu_cmd $src "migrate -d unix:${MIG_SOCKET}" "(qemu)"
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_send_qemu_cmd $src 'migrate_start_postcopy' "(qemu)"
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QEMU_COMM_TIMEOUT=1 qemu_cmd_repeat=10 silent=yes \
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_send_qemu_cmd $src "info migrate" "completed\|failed"
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silent=yes _send_qemu_cmd $src "" "(qemu)"
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echo
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echo === Do some I/O on the destination ===
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echo
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# It is important that we use the BlockBackend of the guest device here instead
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# of the node name, which would create a new BlockBackend and not test whether
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# the guest has the necessary permissions to access the image now
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silent=
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_send_qemu_cmd $dest 'qemu-io disk "read -P 0x55 0 64k"' "(qemu)"
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_send_qemu_cmd $dest "" "ops/sec"
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_send_qemu_cmd $dest 'qemu-io disk "write -P 0x66 1M 64k"' "(qemu)"
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_send_qemu_cmd $dest "" "ops/sec"
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echo
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echo === Shut down and check image ===
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echo
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_send_qemu_cmd $src 'quit' ""
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_send_qemu_cmd $dest 'quit' ""
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wait=1 _cleanup_qemu
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_check_test_img
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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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