1#!/usr/bin/env bash 2# 3# Test change-backing-file command 4# 5# Copyright (C) 2017 Red Hat, Inc. 6# 7# This program is free software; you can redistribute it and/or modify 8# it under the terms of the GNU General Public License as published by 9# the Free Software Foundation; either version 2 of the License, or 10# (at your option) any later version. 11# 12# This program is distributed in the hope that it will be useful, 13# but WITHOUT ANY WARRANTY; without even the implied warranty of 14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15# GNU General Public License for more details. 16# 17# You should have received a copy of the GNU General Public License 18# along with this program. If not, see <http://www.gnu.org/licenses/>. 19# 20 21# creator 22owner=kwolf@redhat.com 23 24seq=`basename $0` 25echo "QA output created by $seq" 26 27status=1 # failure is the default! 28 29_cleanup() 30{ 31 _cleanup_test_img 32 rm -f "$TEST_IMG.mid" 33} 34trap "_cleanup; exit \$status" 0 1 2 3 15 35 36# get standard environment, filters and checks 37. ./common.rc 38. ./common.filter 39 40_supported_fmt qcow2 41_supported_proto file 42 43do_run_qemu() 44{ 45 echo Testing: "$@" 46 $QEMU -nographic -qmp-pretty stdio -serial none "$@" 47 echo 48} 49 50run_qemu() 51{ 52 do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_imgfmt | _filter_qemu \ 53 | _filter_qmp | _filter_qemu_io \ 54 | _filter_generated_node_ids 55} 56 57size=64M 58TEST_IMG="$TEST_IMG.base" _make_test_img $size 59TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" 60_make_test_img -b "$TEST_IMG.mid" 61 62echo 63echo "Change backing file of mid (opened read-only)" 64echo 65 66run_qemu -drive if=none,file="$TEST_IMG",backing.node-name=mid <<EOF 67{"execute":"qmp_capabilities"} 68{"execute":"change-backing-file", "arguments":{"device":"none0","image-node-name":"mid","backing-file":"/dev/null"}} 69{"execute":"quit"} 70EOF 71 72TEST_IMG="$TEST_IMG.mid" _img_info 73 74echo 75echo "Change backing file of top (opened writable)" 76echo 77 78TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" 79 80run_qemu -drive if=none,file="$TEST_IMG",node-name=top <<EOF 81{"execute":"qmp_capabilities"} 82{"execute":"change-backing-file", "arguments":{"device":"none0","image-node-name":"top","backing-file":"/dev/null"}} 83{"execute":"quit"} 84EOF 85 86_img_info 87 88# success, all done 89echo "*** done" 90rm -f $seq.full 91status=0 92