#!/usr/bin/env bash # group: rw auto quick # # Test that a backing image is put back in read-only mode after # block-commit (both when it fails and when it succeeds). # # Copyright (C) 2019 Igalia, S.L. # # 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=berto@igalia.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.base" _rm_test_img "$TEST_IMG.int" } trap "_cleanup; exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter . ./common.qemu # Any format implementing BlockDriver.bdrv_change_backing_file _supported_fmt qcow2 qed _supported_proto file fuse _supported_os Linux IMG_SIZE=1M # Create the images: base <- int <- active TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT _make_test_img -b "$TEST_IMG.int" -F $IMGFMT # Launch QEMU with these two drives: # none0: base (read-only) # none1: base <- int <- active _launch_qemu -drive if=none,file="${TEST_IMG}.base",node-name=base,read-only=on \ -drive if=none,file="${TEST_IMG}",backing.node-name=int,backing.backing=base _send_qemu_cmd $QEMU_HANDLE \ "{ 'execute': 'qmp_capabilities' }" \ 'return' echo echo '=== Send a write command to a drive opened in read-only mode (1)' echo _send_qemu_cmd $QEMU_HANDLE \ "{ 'execute': 'human-monitor-command', 'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \ 'return' echo echo '=== Run block-commit on base using an invalid filter node name' echo _send_qemu_cmd $QEMU_HANDLE \ "{ 'execute': 'block-commit', 'arguments': {'job-id': 'job0', 'device': 'none1', 'top-node': 'int', 'filter-node-name': '1234'}}" \ 'error' echo echo '=== Send a write command to a drive opened in read-only mode (2)' echo _send_qemu_cmd $QEMU_HANDLE \ "{ 'execute': 'human-monitor-command', 'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \ 'return' echo echo '=== Run block-commit on base using the default filter node name' echo _send_qemu_cmd $QEMU_HANDLE \ "{ 'execute': 'block-commit', 'arguments': {'job-id': 'job0', 'device': 'none1', 'top-node': 'int'}}" \ 'return' # Wait for block-commit to finish _send_qemu_cmd $QEMU_HANDLE '' \ '"status": "null"' echo echo '=== Send a write command to a drive opened in read-only mode (3)' echo _send_qemu_cmd $QEMU_HANDLE \ "{ 'execute': 'human-monitor-command', 'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \ 'return' _cleanup_qemu # success, all done echo "*** done" rm -f $seq.full status=0