95 lines
2.4 KiB
Plaintext
95 lines
2.4 KiB
Plaintext
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#!/bin/bash
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#
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# Test case for relative backing file names in complex BDS trees
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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=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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tmp=/tmp/$$
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status=1 # failure is the default!
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_cleanup()
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{
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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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# Any format supporting backing files
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_supported_fmt qed qcow qcow2 vmdk
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_supported_proto file
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_supported_os Linux
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_unsupported_imgopts "subformat=monolithicFlat" "subformat=twoGbMaxExtentFlat"
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TEST_IMG_REL=$(basename "$TEST_IMG")
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echo
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echo '=== Reconstructable filename ==='
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echo
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TEST_IMG="$TEST_IMG.base" _make_test_img 64M
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_make_test_img -b "$TEST_IMG_REL.base" 64M
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# qemu should be able to reconstruct the filename, so relative backing names
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# should work
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TEST_IMG="json:{'driver':'$IMGFMT','file':{'driver':'file','filename':'$TEST_IMG'}}" \
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_img_info | _filter_img_info
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echo
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echo '=== Non-reconstructable filename ==='
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echo
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# Across blkdebug without a config file, you cannot reconstruct filenames, so
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# qemu is incapable of knowing the directory of the top image
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TEST_IMG="json:{
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'driver': '$IMGFMT',
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'file': {
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'driver': 'blkdebug',
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'image': {
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'driver': 'file',
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'filename': '$TEST_IMG'
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},
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'set-state': [
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{
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'event': 'read_aio',
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'new_state': 42
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}
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]
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}
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}" _img_info | _filter_img_info
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echo
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echo '=== Backing name is always relative to the backed image ==='
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echo
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# omit the image size; it should work anyway
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_make_test_img -b "$TEST_IMG_REL.base"
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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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