#!/usr/bin/env bash # # Test change-backing-file command # # Copyright (C) 2017 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # creator owner=kwolf@redhat.com seq=`basename $0` echo "QA output created by $seq" status=1 # failure is the default! _cleanup() { _cleanup_test_img _rm_test_img "$TEST_IMG.mid" } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter _supported_fmt qcow2 _supported_proto file do_run_qemu() { echo Testing: "$@" $QEMU -nographic -qmp-pretty stdio -serial none "$@" echo } run_qemu() { do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_imgfmt | _filter_qemu \ | _filter_qmp | _filter_qemu_io \ | _filter_generated_node_ids } size=64M TEST_IMG="$TEST_IMG.base" _make_test_img $size TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" _make_test_img -b "$TEST_IMG.mid" echo echo "Change backing file of mid (opened read-only)" echo run_qemu -drive if=none,file="$TEST_IMG",backing.node-name=mid <<EOF {"execute":"qmp_capabilities"} {"execute":"change-backing-file", "arguments":{"device":"none0","image-node-name":"mid","backing-file":"/dev/null"}} {"execute":"quit"} EOF TEST_IMG="$TEST_IMG.mid" _img_info echo echo "Change backing file of top (opened writable)" echo TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" run_qemu -drive if=none,file="$TEST_IMG",node-name=top <<EOF {"execute":"qmp_capabilities"} {"execute":"change-backing-file", "arguments":{"device":"none0","image-node-name":"top","backing-file":"/dev/null"}} {"execute":"quit"} EOF _img_info # success, all done echo "*** done" rm -f $seq.full status=0