diff options
Diffstat (limited to 'tests')
| -rwxr-xr-x | tests/qemu-iotests/tests/commit-zero-blocks | 96 | ||||
| -rw-r--r-- | tests/qemu-iotests/tests/commit-zero-blocks.out | 54 | ||||
| -rwxr-xr-x | tests/qemu-iotests/tests/copy-before-write | 95 | ||||
| -rw-r--r-- | tests/qemu-iotests/tests/copy-before-write.out | 4 |
4 files changed, 247 insertions, 2 deletions
diff --git a/tests/qemu-iotests/tests/commit-zero-blocks b/tests/qemu-iotests/tests/commit-zero-blocks new file mode 100755 index 0000000000..de00273e72 --- /dev/null +++ b/tests/qemu-iotests/tests/commit-zero-blocks @@ -0,0 +1,96 @@ +#!/usr/bin/env bash +# group: rw quick +# +# Test for commit of discarded blocks +# +# This tests committing a live snapshot where some of the blocks that +# are present in the base image are discarded in the intermediate image. +# This intends to check that these blocks are also discarded in the base +# image after the commit. +# +# Copyright (C) 2024 Vincent Vanlaer. +# +# 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=libvirt-e6954efa@volkihar.be + +seq=`basename $0` +echo "QA output created by $seq" + +status=1 # failure is the default! + +_cleanup() +{ + _cleanup_qemu + _rm_test_img "${TEST_IMG}.base" + _rm_test_img "${TEST_IMG}.mid" + _cleanup_test_img +} +trap "_cleanup; exit \$status" 0 1 2 3 15 + +# get standard environment, filters and checks +cd .. +. ./common.rc +. ./common.filter +. ./common.qemu + +_supported_fmt qcow2 +_supported_proto file + +size="1M" + +TEST_IMG="$TEST_IMG.base" _make_test_img $size +TEST_IMG="$TEST_IMG.mid" _make_test_img -b "$TEST_IMG.base" -F $IMGFMT $size +_make_test_img -b "${TEST_IMG}.mid" -F $IMGFMT $size + +$QEMU_IO -c "write -P 0x01 64k 128k" "$TEST_IMG.base" | _filter_qemu_io +$QEMU_IO -c "discard 64k 64k" "$TEST_IMG.mid" | _filter_qemu_io + +echo +echo "=== Base image info before commit ===" +TEST_IMG="${TEST_IMG}.base" _img_info | _filter_img_info +$QEMU_IMG map --output=json "$TEST_IMG.base" | _filter_qemu_img_map + +echo +echo "=== Middle image info before commit ===" +TEST_IMG="${TEST_IMG}.mid" _img_info | _filter_img_info +$QEMU_IMG map --output=json "$TEST_IMG.mid" | _filter_qemu_img_map + +echo +echo === Running QEMU Live Commit Test === +echo + +qemu_comm_method="qmp" +_launch_qemu -drive file="${TEST_IMG}",if=virtio,id=test +h=$QEMU_HANDLE + +_send_qemu_cmd $h "{ 'execute': 'qmp_capabilities' }" "return" + +_send_qemu_cmd $h "{ 'execute': 'block-commit', + 'arguments': { 'device': 'test', + 'top': '"${TEST_IMG}.mid"', + 'base': '"${TEST_IMG}.base"'} }" '"status": "null"' + +_cleanup_qemu + +echo +echo "=== Base image info after commit ===" +TEST_IMG="${TEST_IMG}.base" _img_info | _filter_img_info +$QEMU_IMG map --output=json "$TEST_IMG.base" | _filter_qemu_img_map + +# success, all done +echo "*** done" +rm -f $seq.full +status=0 diff --git a/tests/qemu-iotests/tests/commit-zero-blocks.out b/tests/qemu-iotests/tests/commit-zero-blocks.out new file mode 100644 index 0000000000..85bdc46aaf --- /dev/null +++ b/tests/qemu-iotests/tests/commit-zero-blocks.out @@ -0,0 +1,54 @@ +QA output created by commit-zero-blocks +Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=1048576 +Formatting 'TEST_DIR/t.IMGFMT.mid', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=1048576 backing_file=TEST_DIR/t.IMGFMT.mid backing_fmt=IMGFMT +wrote 131072/131072 bytes at offset 65536 +128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +discard 65536/65536 bytes at offset 65536 +64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +=== Base image info before commit === +image: TEST_DIR/t.IMGFMT.base +file format: IMGFMT +virtual size: 1 MiB (1048576 bytes) +[{ "start": 0, "length": 65536, "depth": 0, "present": false, "zero": true, "data": false, "compressed": false}, +{ "start": 65536, "length": 131072, "depth": 0, "present": true, "zero": false, "data": true, "compressed": false, "offset": OFFSET}, +{ "start": 196608, "length": 851968, "depth": 0, "present": false, "zero": true, "data": false, "compressed": false}] + +=== Middle image info before commit === +image: TEST_DIR/t.IMGFMT.mid +file format: IMGFMT +virtual size: 1 MiB (1048576 bytes) +backing file: TEST_DIR/t.IMGFMT.base +backing file format: IMGFMT +[{ "start": 0, "length": 65536, "depth": 1, "present": false, "zero": true, "data": false, "compressed": false}, +{ "start": 65536, "length": 65536, "depth": 0, "present": true, "zero": true, "data": false, "compressed": false}, +{ "start": 131072, "length": 65536, "depth": 1, "present": true, "zero": false, "data": true, "compressed": false, "offset": OFFSET}, +{ "start": 196608, "length": 851968, "depth": 1, "present": false, "zero": true, "data": false, "compressed": false}] + +=== Running QEMU Live Commit Test === + +{ 'execute': 'qmp_capabilities' } +{"return": {}} +{ 'execute': 'block-commit', + 'arguments': { 'device': 'test', + 'top': 'TEST_DIR/t.IMGFMT.mid', + 'base': 'TEST_DIR/t.IMGFMT.base'} } +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "created", "id": "test"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "running", "id": "test"}} +{"return": {}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "test"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "test"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "BLOCK_JOB_COMPLETED", "data": {"device": "test", "len": 1048576, "offset": 1048576, "speed": 0, "type": "commit"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "concluded", "id": "test"}} +{"timestamp": {"seconds": TIMESTAMP, "microseconds": TIMESTAMP}, "event": "JOB_STATUS_CHANGE", "data": {"status": "null", "id": "test"}} + +=== Base image info after commit === +image: TEST_DIR/t.IMGFMT.base +file format: IMGFMT +virtual size: 1 MiB (1048576 bytes) +[{ "start": 0, "length": 65536, "depth": 0, "present": false, "zero": true, "data": false, "compressed": false}, +{ "start": 65536, "length": 65536, "depth": 0, "present": true, "zero": true, "data": false, "compressed": false}, +{ "start": 131072, "length": 65536, "depth": 0, "present": true, "zero": false, "data": true, "compressed": false, "offset": OFFSET}, +{ "start": 196608, "length": 851968, "depth": 0, "present": false, "zero": true, "data": false, "compressed": false}] +*** done diff --git a/tests/qemu-iotests/tests/copy-before-write b/tests/qemu-iotests/tests/copy-before-write index 498c558008..236cb8ac37 100755 --- a/tests/qemu-iotests/tests/copy-before-write +++ b/tests/qemu-iotests/tests/copy-before-write @@ -99,6 +99,68 @@ class TestCbwError(iotests.QMPTestCase): log = iotests.filter_qemu_io(log) return log + def do_cbw_error_via_blockdev_backup(self, on_cbw_error=None): + self.vm.cmd('blockdev-add', { + 'node-name': 'source', + 'driver': iotests.imgfmt, + 'file': { + 'driver': 'file', + 'filename': source_img + } + }) + + self.vm.cmd('blockdev-add', { + 'node-name': 'target', + 'driver': iotests.imgfmt, + 'file': { + 'driver': 'blkdebug', + 'image': { + 'driver': 'file', + 'filename': temp_img + }, + 'inject-error': [ + { + 'event': 'write_aio', + 'errno': 5, + 'immediately': False, + 'once': True + } + ] + } + }) + + blockdev_backup_options = { + 'device': 'source', + 'target': 'target', + 'sync': 'none', + 'job-id': 'job-id', + 'filter-node-name': 'cbw' + } + + if on_cbw_error: + blockdev_backup_options['on-cbw-error'] = on_cbw_error + + self.vm.cmd('blockdev-backup', blockdev_backup_options) + + self.vm.cmd('blockdev-add', { + 'node-name': 'access', + 'driver': 'snapshot-access', + 'file': 'cbw' + }) + + result = self.vm.qmp('human-monitor-command', + command_line='qemu-io cbw "write 0 1M"') + self.assert_qmp(result, 'return', '') + + result = self.vm.qmp('human-monitor-command', + command_line='qemu-io access "read 0 1M"') + self.assert_qmp(result, 'return', '') + + self.vm.shutdown() + log = self.vm.get_log() + log = iotests.filter_qemu_io(log) + return log + def test_break_snapshot_on_cbw_error(self): """break-snapshot behavior: Guest write succeed, but further snapshot-read fails, as snapshot is @@ -125,6 +187,39 @@ read 1048576/1048576 bytes at offset 0 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) """) + def test_break_snapshot_policy_forwarding(self): + """Ensure CBW filter accepts break-snapshot policy + specified in blockdev-backup QMP command. + """ + log = self.do_cbw_error_via_blockdev_backup('break-snapshot') + self.assertEqual(log, """\ +wrote 1048576/1048576 bytes at offset 0 +1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read failed: Permission denied +""") + + def test_break_guest_write_policy_forwarding(self): + """Ensure CBW filter accepts break-guest-write policy + specified in blockdev-backup QMP command. + """ + log = self.do_cbw_error_via_blockdev_backup('break-guest-write') + self.assertEqual(log, """\ +write failed: Input/output error +read 1048576/1048576 bytes at offset 0 +1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +""") + + def test_default_on_cbw_error_policy_forwarding(self): + """Ensure break-guest-write policy is used by default when + on-cbw-error is not explicitly specified. + """ + log = self.do_cbw_error_via_blockdev_backup() + self.assertEqual(log, """\ +write failed: Input/output error +read 1048576/1048576 bytes at offset 0 +1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +""") + def do_cbw_timeout(self, on_cbw_error): self.vm.cmd('object-add', { 'qom-type': 'throttle-group', diff --git a/tests/qemu-iotests/tests/copy-before-write.out b/tests/qemu-iotests/tests/copy-before-write.out index 89968f35d7..2f7d3902f2 100644 --- a/tests/qemu-iotests/tests/copy-before-write.out +++ b/tests/qemu-iotests/tests/copy-before-write.out @@ -1,5 +1,5 @@ -.... +....... ---------------------------------------------------------------------- -Ran 4 tests +Ran 7 tests OK |