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[PULL,20/24] qemu-iotests/199: check persistent bitmaps

Message ID 20200727205543.206624-21-eblake@redhat.com
State New
Headers show
Series [PULL,01/24] qcow2: Fix capitalization of header extension constant. | expand

Commit Message

Eric Blake July 27, 2020, 8:55 p.m. UTC 
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

Check that persistent bitmaps are not stored on source and that bitmaps
are persistent on destination.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Message-Id: <20200727194236.19551-20-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
---
 tests/qemu-iotests/199 | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)
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Patch

diff --git a/tests/qemu-iotests/199 b/tests/qemu-iotests/199
index 355c0b288592..5fd34f0fcdfa 100755
--- a/tests/qemu-iotests/199
+++ b/tests/qemu-iotests/199
@@ -117,7 +117,8 @@  class TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase):
         for i in range(nb_bitmaps):
             result = self.vm_a.qmp('block-dirty-bitmap-add', node='drive0',
                                    name='bitmap{}'.format(i),
-                                   granularity=granularity)
+                                   granularity=granularity,
+                                   persistent=True)
             self.assert_qmp(result, 'return', {})

         result = self.vm_a.qmp('x-debug-block-dirty-bitmap-sha256',
@@ -193,6 +194,19 @@  class TestDirtyBitmapPostcopyMigration(iotests.QMPTestCase):
             print('downtime:', downtime)
             print('postcopy_time:', postcopy_time)

+        # check that there are no bitmaps stored on source
+        self.vm_a_events += self.vm_a.get_qmp_events()
+        self.vm_a.shutdown()
+        self.vm_a.launch()
+        check_bitmaps(self.vm_a, 0)
+
+        # check that bitmaps are migrated and persistence works
+        check_bitmaps(self.vm_b, nb_bitmaps)
+        self.vm_b.shutdown()
+        # recreate vm_b, so there is no incoming option, which prevents
+        # loading bitmaps from disk
+        self.vm_b = iotests.VM(path_suffix='b').add_drive(disk_b)
+        self.vm_b.launch()
         check_bitmaps(self.vm_b, nb_bitmaps)

         # Check content of migrated bitmaps. Still, don't waste time checking