| 1 | #!/usr/bin/env bash |
| 2 | # group: rw auto quick |
| 3 | # |
| 4 | # Test that a backing image is put back in read-only mode after |
| 5 | # block-commit (both when it fails and when it succeeds). |
| 6 | # |
| 7 | # Copyright (C) 2019 Igalia, S.L. |
| 8 | # |
| 9 | # This program is free software; you can redistribute it and/or modify |
| 10 | # it under the terms of the GNU General Public License as published by |
| 11 | # the Free Software Foundation; either version 2 of the License, or |
| 12 | # (at your option) any later version. |
| 13 | # |
| 14 | # This program is distributed in the hope that it will be useful, |
| 15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | # GNU General Public License for more details. |
| 18 | # |
| 19 | # You should have received a copy of the GNU General Public License |
| 20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 21 | # |
| 22 | |
| 23 | # creator |
| 24 | owner=berto@igalia.com |
| 25 | |
| 26 | seq="$(basename $0)" |
| 27 | echo "QA output created by $seq" |
| 28 | |
| 29 | status=1 # failure is the default! |
| 30 | |
| 31 | _cleanup() |
| 32 | { |
| 33 | _cleanup_test_img |
| 34 | _rm_test_img "$TEST_IMG.base" |
| 35 | _rm_test_img "$TEST_IMG.int" |
| 36 | } |
| 37 | trap "_cleanup; exit \$status" 0 1 2 3 15 |
| 38 | |
| 39 | # get standard environment, filters and checks |
| 40 | . ./common.rc |
| 41 | . ./common.filter |
| 42 | . ./common.qemu |
| 43 | |
| 44 | # Any format implementing BlockDriver.bdrv_change_backing_file |
| 45 | _supported_fmt qcow2 qed |
| 46 | _supported_proto file fuse |
| 47 | _supported_os Linux |
| 48 | _require_hmp |
| 49 | |
| 50 | IMG_SIZE=1M |
| 51 | |
| 52 | # Create the images: base <- int <- active |
| 53 | TEST_IMG="$TEST_IMG.base" _make_test_img $IMG_SIZE |
| 54 | TEST_IMG="$TEST_IMG.int" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT |
| 55 | _make_test_img -b "$TEST_IMG.int" -F $IMGFMT |
| 56 | |
| 57 | # Launch QEMU with these two drives: |
| 58 | # none0: base (read-only) |
| 59 | # none1: base <- int <- active |
| 60 | _launch_qemu -drive if=none,file="${TEST_IMG}.base",node-name=base,read-only=on \ |
| 61 | -drive if=none,file="${TEST_IMG}",backing.node-name=int,backing.backing=base |
| 62 | |
| 63 | _send_qemu_cmd $QEMU_HANDLE \ |
| 64 | "{ 'execute': 'qmp_capabilities' }" \ |
| 65 | 'return' |
| 66 | |
| 67 | echo |
| 68 | echo '=== Send a write command to a drive opened in read-only mode (1)' |
| 69 | echo |
| 70 | _send_qemu_cmd $QEMU_HANDLE \ |
| 71 | "{ 'execute': 'human-monitor-command', |
| 72 | 'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \ |
| 73 | 'return' |
| 74 | |
| 75 | echo |
| 76 | echo '=== Run block-commit on base using an invalid filter node name' |
| 77 | echo |
| 78 | _send_qemu_cmd $QEMU_HANDLE \ |
| 79 | "{ 'execute': 'block-commit', |
| 80 | 'arguments': {'job-id': 'job0', 'device': 'none1', 'top-node': 'int', |
| 81 | 'filter-node-name': '1234'}}" \ |
| 82 | 'error' |
| 83 | |
| 84 | echo |
| 85 | echo '=== Send a write command to a drive opened in read-only mode (2)' |
| 86 | echo |
| 87 | _send_qemu_cmd $QEMU_HANDLE \ |
| 88 | "{ 'execute': 'human-monitor-command', |
| 89 | 'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \ |
| 90 | 'return' |
| 91 | |
| 92 | echo |
| 93 | echo '=== Run block-commit on base using the default filter node name' |
| 94 | echo |
| 95 | _send_qemu_cmd $QEMU_HANDLE \ |
| 96 | "{ 'execute': 'block-commit', |
| 97 | 'arguments': {'job-id': 'job0', 'device': 'none1', 'top-node': 'int'}}" \ |
| 98 | 'return' |
| 99 | |
| 100 | # Wait for block-commit to finish |
| 101 | _send_qemu_cmd $QEMU_HANDLE '' \ |
| 102 | '"status": "null"' |
| 103 | |
| 104 | echo |
| 105 | echo '=== Send a write command to a drive opened in read-only mode (3)' |
| 106 | echo |
| 107 | _send_qemu_cmd $QEMU_HANDLE \ |
| 108 | "{ 'execute': 'human-monitor-command', |
| 109 | 'arguments': {'command-line': 'qemu-io none0 \"aio_write 0 2k\"'}}" \ |
| 110 | 'return' |
| 111 | |
| 112 | _cleanup_qemu |
| 113 | |
| 114 | # success, all done |
| 115 | echo "*** done" |
| 116 | rm -f $seq.full |
| 117 | status=0 |