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-rwxr-xr-xtests/qemu-iotests/194101
1 files changed, 101 insertions, 0 deletions
diff --git a/tests/qemu-iotests/194 b/tests/qemu-iotests/194
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+++ b/tests/qemu-iotests/194
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+#!/usr/bin/env python3
+# group: rw migration quick
+#
+# Copyright (C) 2017 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: Stefan Hajnoczi <stefanha@redhat.com>
+#
+# Non-shared storage migration test using NBD server and drive-mirror
+
+import iotests
+
+iotests.script_initialize(supported_fmts=['qcow2', 'qed', 'raw'],
+ supported_platforms=['linux'])
+
+with iotests.FilePath('source.img') as source_img_path, \
+ iotests.FilePath('dest.img') as dest_img_path, \
+ iotests.FilePath('migration.sock', 'nbd.sock', base_dir=iotests.sock_dir) \
+ as (migration_sock_path, nbd_sock_path), \
+ iotests.VM('source') as source_vm, \
+ iotests.VM('dest') as dest_vm:
+
+ img_size = '1G'
+ iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, source_img_path, img_size)
+ iotests.qemu_img_pipe('create', '-f', iotests.imgfmt, dest_img_path, img_size)
+
+ iotests.log('Launching VMs...')
+ (source_vm.add_drive(source_img_path)
+ .launch())
+ (dest_vm.add_drive(dest_img_path)
+ .add_incoming('unix:{0}'.format(migration_sock_path))
+ .launch())
+
+ source_vm.qmp_log('block-dirty-bitmap-add', node='drive0', name='bitmap0')
+
+ iotests.log('Launching NBD server on destination...')
+ iotests.log(dest_vm.qmp('nbd-server-start', addr={'type': 'unix', 'data': {'path': nbd_sock_path}}))
+ iotests.log(dest_vm.qmp('nbd-server-add', device='drive0', writable=True))
+
+ iotests.log('Starting `drive-mirror` on source...')
+ iotests.log(source_vm.qmp(
+ 'drive-mirror',
+ device='drive0',
+ target='nbd+unix:///drive0?socket={0}'.format(nbd_sock_path),
+ sync='full',
+ format='raw', # always raw, the server handles the format
+ mode='existing',
+ job_id='mirror-job0'))
+
+ iotests.log('Waiting for `drive-mirror` to complete...')
+ iotests.log(source_vm.event_wait('BLOCK_JOB_READY'),
+ filters=[iotests.filter_qmp_event])
+
+ iotests.log('Starting migration...')
+ capabilities = [{'capability': 'events', 'state': True},
+ {'capability': 'dirty-bitmaps', 'state': True}]
+ source_vm.qmp('migrate-set-capabilities', capabilities=capabilities)
+ dest_vm.qmp('migrate-set-capabilities', capabilities=capabilities)
+ iotests.log(source_vm.qmp('migrate', uri='unix:{0}'.format(migration_sock_path)))
+
+ source_vm.qmp_log('migrate-start-postcopy')
+
+ while True:
+ event1 = source_vm.event_wait('MIGRATION')
+ iotests.log(event1, filters=[iotests.filter_qmp_event])
+ if event1['data']['status'] in ('completed', 'failed'):
+ iotests.log('Gracefully ending the `drive-mirror` job on source...')
+ iotests.log(source_vm.qmp('block-job-cancel', device='mirror-job0'))
+ break
+
+ while True:
+ event2 = source_vm.event_wait('BLOCK_JOB_COMPLETED')
+ iotests.log(event2, filters=[iotests.filter_qmp_event])
+ if event2['event'] == 'BLOCK_JOB_COMPLETED':
+ iotests.log('Stopping the NBD server on destination...')
+ iotests.log(dest_vm.qmp('nbd-server-stop'))
+ break
+
+ iotests.log('Wait for migration completion on target...')
+ migr_events = (('MIGRATION', {'data': {'status': 'completed'}}),
+ ('MIGRATION', {'data': {'status': 'failed'}}))
+ event = dest_vm.events_wait(migr_events)
+ iotests.log(event, filters=[iotests.filter_qmp_event])
+
+ iotests.log('Check bitmaps on source:')
+ iotests.log(source_vm.qmp('query-block')['return'][0]['inserted']['dirty-bitmaps'])
+
+ iotests.log('Check bitmaps on target:')
+ iotests.log(dest_vm.qmp('query-block')['return'][0]['inserted']['dirty-bitmaps'])