diff options
Diffstat (limited to 'tests')
| -rwxr-xr-x | tests/qemu-iotests/280 | 83 | ||||
| -rw-r--r-- | tests/qemu-iotests/280.out | 50 | ||||
| -rw-r--r-- | tests/qemu-iotests/group | 1 |
3 files changed, 134 insertions, 0 deletions
diff --git a/tests/qemu-iotests/280 b/tests/qemu-iotests/280 new file mode 100755 index 0000000000..0b1fa8e1d8 --- /dev/null +++ b/tests/qemu-iotests/280 @@ -0,0 +1,83 @@ +#!/usr/bin/env python +# +# Copyright (C) 2019 Red Hat, Inc. +# +# 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: Kevin Wolf <kwolf@redhat.com> +# +# Test migration to file for taking an external snapshot with VM state. + +import iotests +import os + +iotests.verify_image_format(supported_fmts=['qcow2']) +iotests.verify_protocol(supported=['file']) +iotests.verify_platform(['linux']) + +with iotests.FilePath('base') as base_path , \ + iotests.FilePath('top') as top_path, \ + iotests.VM() as vm: + + iotests.qemu_img_log('create', '-f', iotests.imgfmt, base_path, '64M') + + iotests.log('=== Launch VM ===') + vm.add_object('iothread,id=iothread0') + vm.add_blockdev('file,filename=%s,node-name=base-file' % (base_path)) + vm.add_blockdev('%s,file=base-file,node-name=base-fmt' % (iotests.imgfmt)) + vm.add_device('virtio-blk,drive=base-fmt,iothread=iothread0,id=vda') + vm.launch() + + vm.enable_migration_events('VM') + + iotests.log('\n=== Migrate to file ===') + vm.qmp_log('migrate', uri='exec:cat > /dev/null') + + with iotests.Timeout(3, 'Migration does not complete'): + vm.wait_migration() + + iotests.log('\nVM is now stopped:') + iotests.log(vm.qmp('query-migrate')['return']['status']) + vm.qmp_log('query-status') + + iotests.log('\n=== Create a snapshot of the disk image ===') + vm.blockdev_create({ + 'driver': 'file', + 'filename': top_path, + 'size': 0, + }) + vm.qmp_log('blockdev-add', node_name='top-file', + driver='file', filename=top_path, + filters=[iotests.filter_qmp_testfiles]) + + vm.blockdev_create({ + 'driver': iotests.imgfmt, + 'file': 'top-file', + 'size': 1024 * 1024, + }) + vm.qmp_log('blockdev-add', node_name='top-fmt', + driver=iotests.imgfmt, file='top-file') + + vm.qmp_log('blockdev-snapshot', node='base-fmt', overlay='top-fmt') + + iotests.log('\n=== Resume the VM and simulate a write request ===') + vm.qmp_log('cont') + iotests.log(vm.hmp_qemu_io('-d vda/virtio-backend', 'write 4k 4k')) + + iotests.log('\n=== Commit it to the backing file ===') + result = vm.qmp_log('block-commit', job_id='job0', auto_dismiss=False, + device='top-fmt', top_node='top-fmt', + filters=[iotests.filter_qmp_testfiles]) + if 'return' in result: + vm.run_job('job0') diff --git a/tests/qemu-iotests/280.out b/tests/qemu-iotests/280.out new file mode 100644 index 0000000000..5d382faaa8 --- /dev/null +++ b/tests/qemu-iotests/280.out @@ -0,0 +1,50 @@ +Formatting 'TEST_DIR/PID-base', fmt=qcow2 size=67108864 cluster_size=65536 lazy_refcounts=off refcount_bits=16 + +=== Launch VM === +Enabling migration QMP events on VM... +{"return": {}} + +=== Migrate to file === +{"execute": "migrate", "arguments": {"uri": "exec:cat > /dev/null"}} +{"return": {}} +{"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} +{"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} +{"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} + +VM is now stopped: +completed +{"execute": "query-status", "arguments": {}} +{"return": {"running": false, "singlestep": false, "status": "postmigrate"}} + +=== Create a snapshot of the disk image === +{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-top", "size": 0}}} +{"return": {}} +{"execute": "job-dismiss", "arguments": {"id": "job0"}} +{"return": {}} + +{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-top", "node-name": "top-file"}} +{"return": {}} +{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "top-file", "size": 1048576}}} +{"return": {}} +{"execute": "job-dismiss", "arguments": {"id": "job0"}} +{"return": {}} + +{"execute": "blockdev-add", "arguments": {"driver": "qcow2", "file": "top-file", "node-name": "top-fmt"}} +{"return": {}} +{"execute": "blockdev-snapshot", "arguments": {"node": "base-fmt", "overlay": "top-fmt"}} +{"return": {}} + +=== Resume the VM and simulate a write request === +{"execute": "cont", "arguments": {}} +{"return": {}} +{"return": ""} + +=== Commit it to the backing file === +{"execute": "block-commit", "arguments": {"auto-dismiss": false, "device": "top-fmt", "job-id": "job0", "top-node": "top-fmt"}} +{"return": {}} +{"execute": "job-complete", "arguments": {"id": "job0"}} +{"return": {}} +{"data": {"device": "job0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} +{"data": {"device": "job0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} +{"execute": "job-dismiss", "arguments": {"id": "job0"}} +{"return": {}} diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index eb57ddc72c..cb2b789e44 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -287,3 +287,4 @@ 273 backing quick 277 rw quick 279 rw backing quick +280 rw migration quick |