d1fde4ad3c
If 'base' is smaller than the overlay image being committed into it, then the base image will be grown in commit_run via bdrv_truncate(). This tests to make sure that this works, and the bdrv_truncate() is not blocked when it shouldn't be. Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
87 lines
2.2 KiB
Bash
Executable File
87 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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#
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# Test for commit of larger active layer
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#
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# This tests live snapshots of images on a running QEMU instance, using
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# QMP commands. Both single disk snapshots, and transactional group
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# snapshots are performed.
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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 $seq"
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here=`pwd`
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status=1 # failure is the default!
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_cleanup()
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{
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_cleanup_qemu
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rm -f "${TEST_IMG}.base" "${TEST_IMG}.snp1"
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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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size_smaller=5M
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size_larger=100M
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_make_test_img $size_smaller
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mv "${TEST_IMG}" "${TEST_IMG}.base"
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_make_test_img -b "${TEST_IMG}.base" $size_larger
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mv "${TEST_IMG}" "${TEST_IMG}.snp1"
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_make_test_img -b "${TEST_IMG}.snp1" $size_larger
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echo
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echo "=== Base image info before commit and resize ==="
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$QEMU_IMG info "${TEST_IMG}.base" | _filter_testdir
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echo
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echo === Running QEMU Live Commit Test ===
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echo
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qemu_comm_method="qmp"
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_launch_qemu -drive file="${TEST_IMG}",if=virtio,id=test
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h=$QEMU_HANDLE
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_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" "return"
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_send_qemu_cmd $h "{ 'execute': 'block-commit',
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'arguments': { 'device': 'test',
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'top': '"${TEST_IMG}.snp1"' } }" "BLOCK_JOB_COMPLETED"
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echo
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echo "=== Base image info after commit and resize ==="
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$QEMU_IMG info "${TEST_IMG}.base" | _filter_testdir
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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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