1#!/usr/bin/env bash 2# 3# Test that a backing image is put back in read-only mode after 4# block-commit (both when it fails and when it succeeds). 5# 6# Copyright (C) 2019 Igalia, S.L. 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 22# creator 23owner=berto@igalia.com 24 25seq="$(basename $0)" 26echo "QA output created by $seq" 27 28status=1 # failure is the default! 29 30_cleanup() 31{ 32 _cleanup_test_img 33 _rm_test_img "$TEST_IMG.base" 34 _rm_test_img "$TEST_IMG.int" 35} 36trap "_cleanup; exit \$status" 0 1 2 3 15 37 38# get standard environment, filters and checks 39. ./common.rc 40. ./common.filter 41. ./common.qemu 42 43# Any format implementing BlockDriver.bdrv_change_backing_file 44_supported_fmt qcow2 qed 45_supported_proto file fuse 46_supported_os Linux 47 48IMG_SIZE=1M 49 50# Create the images: base <- int <- active 51TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE 52TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT 53_make_test_img -b "$TEST_IMG.int" -F $IMGFMT 54 55# Launch QEMU with these two drives: 56# none0: base (read-only) 57# none1: base <- int <- active 58_launch_qemu -drive if=none,file="${TEST_IMG}.base",node-name=base,read-only=on \ 59 -drive if=none,file="${TEST_IMG}",backing.node-name=int,backing.backing=base 60 61_send_qemu_cmd $QEMU_HANDLE \ 62 "{ 'execute': 'qmp_capabilities' }" \ 63 'return' 64 65echo 66echo '=== Send a write command to a drive opened in read-only mode (1)' 67echo 68_send_qemu_cmd $QEMU_HANDLE \ 69 "{ 'execute': 'human-monitor-command', 70 'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \ 71 'return' 72 73echo 74echo '=== Run block-commit on base using an invalid filter node name' 75echo 76_send_qemu_cmd $QEMU_HANDLE \ 77 "{ 'execute': 'block-commit', 78 'arguments': {'job-id': 'job0', 'device': 'none1', 'top-node': 'int', 79 'filter-node-name': '1234'}}" \ 80 'error' 81 82echo 83echo '=== Send a write command to a drive opened in read-only mode (2)' 84echo 85_send_qemu_cmd $QEMU_HANDLE \ 86 "{ 'execute': 'human-monitor-command', 87 'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \ 88 'return' 89 90echo 91echo '=== Run block-commit on base using the default filter node name' 92echo 93_send_qemu_cmd $QEMU_HANDLE \ 94 "{ 'execute': 'block-commit', 95 'arguments': {'job-id': 'job0', 'device': 'none1', 'top-node': 'int'}}" \ 96 'return' 97 98# Wait for block-commit to finish 99_send_qemu_cmd $QEMU_HANDLE '' \ 100 '"status": "null"' 101 102echo 103echo '=== Send a write command to a drive opened in read-only mode (3)' 104echo 105_send_qemu_cmd $QEMU_HANDLE \ 106 "{ 'execute': 'human-monitor-command', 107 'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \ 108 'return' 109 110_cleanup_qemu 111 112# success, all done 113echo "*** done" 114rm -f $seq.full 115status=0 116