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1#!/usr/bin/env bash 2# group: backing quick 3# 4# Test qcow backing file warnings 5# 6# Copyright (C) 2020-2021 Red Hat, Inc. 7# 8# This program is free software; you can redistribute it and/or modify 9# it under the terms of the GNU General Public License as published by 10# the Free Software Foundation; either version 2 of the License, or 11# (at your option) any later version. 12# 13# This program is distributed in the hope that it will be useful, 14# but WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16# GNU General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with this program. If not, see <http://www.gnu.org/licenses/>. 20# 21 22seq=`basename $0` 23echo "QA output created by $seq" 24 25status=1 # failure is the default! 26 27_cleanup() 28{ 29 _cleanup_test_img 30 _rm_test_img "$TEST_IMG.qcow2" 31} 32trap "_cleanup; exit \$status" 0 1 2 3 15 33 34# get standard environment, filters and checks 35. ./common.rc 36. ./common.filter 37 38_supported_fmt qcow 39_supported_proto file 40_supported_os Linux 41 42size=32M 43 44echo 45echo "== qcow backed by qcow ==" 46 47TEST_IMG="$TEST_IMG.base" _make_test_img $size 48_make_test_img -b "$TEST_IMG.base" $size 49_make_test_img -b "$TEST_IMG.base" -F $IMGFMT $size 50_img_info 51 52echo 53echo "== mismatched command line detection ==" 54 55_make_test_img -b "$TEST_IMG.base" -F vmdk 56_make_test_img -b "$TEST_IMG.base" -F vmdk $size 57echo 58# Use of -u bypasses the backing format sanity check 59_make_test_img -u -b "$TEST_IMG.base" -F vmdk 60_make_test_img -u -b "$TEST_IMG.base" -F vmdk $size 61echo 62# But the format must still be recognized 63_make_test_img -b "$TEST_IMG.base" -F garbage $size 64_make_test_img -u -b "$TEST_IMG.base" -F garbage $size 65_img_info 66 67echo 68echo "== qcow backed by raw ==" 69 70rm "$TEST_IMG.base" 71truncate --size=$size "$TEST_IMG.base" 72_make_test_img -b "$TEST_IMG.base" $size 73_make_test_img -b "$TEST_IMG.base" -F raw $size 74_img_info 75 76echo 77echo "== commit cannot change type of raw backing file ==" 78TEST_IMG="$TEST_IMG.qcow2" IMGFMT=qcow2 _make_test_img $size 79truncate --size=$size "$TEST_IMG.qcow2" 80$QEMU_IMG convert -n -f raw -O $IMGFMT "$TEST_IMG.qcow2" "$TEST_IMG" 81$QEMU_IMG commit -f $IMGFMT "$TEST_IMG" && echo "unexpected success" 82TEST_IMG="$TEST_IMG.base" _img_info 83 84# success, all done 85echo "*** done" 86rm -f $seq.full 87status=0