7cf6376ae8
We should allow testing this on tmpfs. Any cache setting in iotests should try to obey $CACHEMODE. The cache mode is still "none" by default but overridable Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
108 lines
2.7 KiB
Bash
Executable File
108 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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#
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# Live migration test
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#
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# Performs a migration from one VM to another via monitor commands
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#
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# Copyright (C) 2014 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=jcody@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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status=1 # failure is the default!
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MIG_FIFO="${TEST_DIR}/migrate"
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_cleanup()
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{
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rm -f "${MIG_FIFO}"
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_cleanup_qemu
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_cleanup_test_img
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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 qcow2
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_supported_proto file
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_supported_os Linux
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_default_cache_mode "none"
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_supported_cache_modes "writethrough" "none" "writeback"
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size=1G
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_make_test_img $size
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mkfifo "${MIG_FIFO}"
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echo
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echo === Starting QEMU VM1 ===
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echo
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qemu_comm_method="monitor"
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_launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},id=disk
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h1=$QEMU_HANDLE
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echo
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echo === Starting QEMU VM2 ===
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echo
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_launch_qemu -drive file="${TEST_IMG}",cache=${CACHEMODE},id=disk \
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-incoming "exec: cat '${MIG_FIFO}'"
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h2=$QEMU_HANDLE
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echo
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echo === VM 1: Migrate from VM1 to VM2 ===
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echo
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silent=yes
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_send_qemu_cmd $h1 'qemu-io disk "write -P 0x22 0 4M"' "(qemu)"
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echo "vm1: qemu-io disk write complete"
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_send_qemu_cmd $h1 "migrate \"exec: cat > '${MIG_FIFO}'\"" "(qemu)"
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echo "vm1: live migration started"
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qemu_cmd_repeat=20 _send_qemu_cmd $h1 "info migrate" "completed"
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echo "vm1: live migration completed"
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echo
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echo === VM 2: Post-migration, write to disk, verify running ===
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echo
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_send_qemu_cmd $h2 'qemu-io disk "write 4M 1M"' "(qemu)"
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echo "vm2: qemu-io disk write complete"
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qemu_cmd_repeat=20 _send_qemu_cmd $h2 "info status" "running"
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echo "vm2: qemu process running successfully"
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echo "vm2: flush io, and quit"
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_send_qemu_cmd $h2 'qemu-io disk flush' "(qemu)"
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_send_qemu_cmd $h2 'quit' ""
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echo "Check image pattern"
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${QEMU_IO} -c "read -P 0x22 0 4M" "${TEST_IMG}" | _filter_testdir | _filter_qemu_io
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echo "Running 'qemu-img check -r all \$TEST_IMG'"
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"${QEMU_IMG}" check -r all "${TEST_IMG}" 2>&1 | _filter_testdir | _filter_qemu
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echo "*** done"
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rm -f $seq.full
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status=0
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