1#!/usr/bin/env bash 2# 3# Test multiple blockdev-snapshot calls with 'backing': null 4# 5# Copyright (C) 2019 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 21seq=$(basename "$0") 22echo "QA output created by $seq" 23 24status=1 # failure is the default! 25 26_cleanup() 27{ 28 _cleanup_test_img 29} 30trap "_cleanup; exit \$status" 0 1 2 3 15 31 32# get standard environment, filters and checks 33. ./common.rc 34. ./common.filter 35 36# This is a qcow2 regression test 37_supported_fmt qcow2 38_supported_proto file 39_supported_os Linux 40# External data files would add nodes to the block graph, so it would 41# not match the reference output 42_unsupported_imgopts data_file 43 44do_run_qemu() 45{ 46 echo Testing: "$@" 47 $QEMU -nographic -qmp-pretty stdio -nodefaults "$@" 48 echo 49} 50 51run_qemu() 52{ 53 do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp | 54 _filter_generated_node_ids | _filter_imgfmt | 55 _filter_actual_image_size | _filter_img_info 56} 57 58TEST_IMG="$TEST_IMG.base" _make_test_img 64M 59TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" 60_make_test_img -b "$TEST_IMG.mid" 61 62run_qemu \ 63 -blockdev file,node-name=base,filename="$TEST_IMG.base" \ 64 -blockdev file,node-name=midf,filename="$TEST_IMG.mid" \ 65 -blockdev '{"driver":"qcow2","node-name":"mid","file":"midf","backing":null}' \ 66 -blockdev file,node-name=topf,filename="$TEST_IMG" \ 67 -blockdev '{"driver":"qcow2","file":"topf","node-name":"top","backing":null}' \ 68<<EOF 69{"execute":"qmp_capabilities"} 70{"execute":"blockdev-snapshot","arguments":{"node":"base","overlay":"mid"}} 71{"execute":"blockdev-snapshot","arguments":{"node":"mid","overlay":"top"}} 72{"execute":"query-named-block-nodes"} 73{"execute":"x-debug-query-block-graph"} 74{"execute":"quit"} 75EOF 76 77# success, all done 78echo "*** done" 79rm -f $seq.full 80status=0 81