iotests: 169: add cases for source vm resuming
Test that we can resume source vm after [failed] migration, and bitmaps are ok. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: John Snow <jsnow@redhat.com>
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@ -77,6 +77,58 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase):
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self.assert_qmp(result, 'error/desc',
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self.assert_qmp(result, 'error/desc',
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"Dirty bitmap 'bitmap0' not found");
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"Dirty bitmap 'bitmap0' not found");
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def do_test_migration_resume_source(self, persistent, migrate_bitmaps):
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granularity = 512
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# regions = ((start, count), ...)
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regions = ((0, 0x10000),
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(0xf0000, 0x10000),
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(0xa0201, 0x1000))
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mig_caps = [{'capability': 'events', 'state': True}]
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if migrate_bitmaps:
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mig_caps.append({'capability': 'dirty-bitmaps', 'state': True})
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result = self.vm_a.qmp('migrate-set-capabilities',
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capabilities=mig_caps)
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self.assert_qmp(result, 'return', {})
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self.add_bitmap(self.vm_a, granularity, persistent)
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for r in regions:
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self.vm_a.hmp_qemu_io('drive0', 'write %d %d' % r)
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sha256 = self.get_bitmap_hash(self.vm_a)
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result = self.vm_a.qmp('migrate', uri=mig_cmd)
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while True:
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event = self.vm_a.event_wait('MIGRATION')
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if event['data']['status'] == 'completed':
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break
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# test that bitmap is still here
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removed = (not migrate_bitmaps) and persistent
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self.check_bitmap(self.vm_a, False if removed else sha256)
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self.vm_a.qmp('cont')
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# test that bitmap is still here after invalidation
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self.check_bitmap(self.vm_a, sha256)
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# shutdown and check that invalidation didn't fail
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self.vm_a.shutdown()
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# catch 'Could not reopen qcow2 layer: Bitmap already exists'
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# possible error
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log = self.vm_a.get_log()
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log = re.sub(r'^\[I \d+\.\d+\] OPENED\n', '', log)
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log = re.sub(r'^(wrote .* bytes at offset .*\n.*KiB.*ops.*sec.*\n){3}',
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'', log)
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log = re.sub(r'\[I \+\d+\.\d+\] CLOSED\n?$', '', log)
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self.assertEqual(log, '')
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# test that bitmap is still persistent
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self.vm_a.launch()
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self.check_bitmap(self.vm_a, sha256 if persistent else False)
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def do_test_migration(self, persistent, migrate_bitmaps, online,
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def do_test_migration(self, persistent, migrate_bitmaps, online,
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shared_storage):
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shared_storage):
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granularity = 512
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granularity = 512
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@ -152,7 +204,7 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase):
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def inject_test_case(klass, name, method, *args, **kwargs):
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def inject_test_case(klass, name, method, *args, **kwargs):
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mc = operator.methodcaller(method, *args, **kwargs)
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mc = operator.methodcaller(method, *args, **kwargs)
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setattr(klass, 'test_' + name, new.instancemethod(mc, None, klass))
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setattr(klass, 'test_' + method + name, new.instancemethod(mc, None, klass))
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for cmb in list(itertools.product((True, False), repeat=4)):
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for cmb in list(itertools.product((True, False), repeat=4)):
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name = ('_' if cmb[0] else '_not_') + 'persistent_'
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name = ('_' if cmb[0] else '_not_') + 'persistent_'
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@ -163,6 +215,12 @@ for cmb in list(itertools.product((True, False), repeat=4)):
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inject_test_case(TestDirtyBitmapMigration, name, 'do_test_migration',
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inject_test_case(TestDirtyBitmapMigration, name, 'do_test_migration',
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*list(cmb))
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*list(cmb))
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for cmb in list(itertools.product((True, False), repeat=2)):
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name = ('_' if cmb[0] else '_not_') + 'persistent_'
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name += ('_' if cmb[1] else '_not_') + 'migbitmap'
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inject_test_case(TestDirtyBitmapMigration, name,
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'do_test_migration_resume_source', *list(cmb))
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if __name__ == '__main__':
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if __name__ == '__main__':
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iotests.main(supported_fmts=['qcow2'])
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iotests.main(supported_fmts=['qcow2'])
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@ -1,5 +1,5 @@
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................
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....................
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----------------------------------------------------------------------
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----------------------------------------------------------------------
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Ran 16 tests
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Ran 20 tests
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OK
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OK
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