From ca4bfec41d56a1154da89b105048b3462361d0f0 Mon Sep 17 00:00:00 2001 From: Peter Krempa Date: Fri, 12 Feb 2021 18:34:25 +0100 Subject: qemu-iotests: 300: Add test case for modifying persistence of bitmap Verify that the modification of the bitmap persistence over migration which is controlled via BitmapMigrationBitmapAliasTransform works properly. Based on TestCrossAliasMigration Signed-off-by: Peter Krempa Message-Id: Reviewed-by: Eric Blake [eblake: Adjust test for explicit read_zeroes=False] Signed-off-by: Eric Blake --- tests/qemu-iotests/300 | 93 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/300.out | 4 +- 2 files changed, 95 insertions(+), 2 deletions(-) (limited to 'tests') diff --git a/tests/qemu-iotests/300 b/tests/qemu-iotests/300 index 43264d8..63036f6 100755 --- a/tests/qemu-iotests/300 +++ b/tests/qemu-iotests/300 @@ -600,6 +600,99 @@ class TestCrossAliasMigration(TestDirtyBitmapMigration): self.verify_dest_has_all_bitmaps() self.verify_dest_error(None) +class TestAliasTransformMigration(TestDirtyBitmapMigration): + """ + Tests the 'transform' option which modifies bitmap persistence on migration. + """ + + src_node_name = 'node-a' + dst_node_name = 'node-b' + src_bmap_name = 'bmap-a' + dst_bmap_name = 'bmap-b' + + def setUp(self) -> None: + TestDirtyBitmapMigration.setUp(self) + + # Now create another block device and let both have two bitmaps each + result = self.vm_a.qmp('blockdev-add', + node_name='node-b', driver='null-co', + read_zeroes=False) + self.assert_qmp(result, 'return', {}) + + result = self.vm_b.qmp('blockdev-add', + node_name='node-a', driver='null-co', + read_zeroes=False) + self.assert_qmp(result, 'return', {}) + + bmaps_to_add = (('node-a', 'bmap-b'), + ('node-b', 'bmap-a'), + ('node-b', 'bmap-b')) + + for (node, bmap) in bmaps_to_add: + result = self.vm_a.qmp('block-dirty-bitmap-add', + node=node, name=bmap) + self.assert_qmp(result, 'return', {}) + + @staticmethod + def transform_mapping() -> BlockBitmapMapping: + return [ + { + 'node-name': 'node-a', + 'alias': 'node-a', + 'bitmaps': [ + { + 'name': 'bmap-a', + 'alias': 'bmap-a', + 'transform': + { + 'persistent': True + } + }, + { + 'name': 'bmap-b', + 'alias': 'bmap-b' + } + ] + }, + { + 'node-name': 'node-b', + 'alias': 'node-b', + 'bitmaps': [ + { + 'name': 'bmap-a', + 'alias': 'bmap-a' + }, + { + 'name': 'bmap-b', + 'alias': 'bmap-b' + } + ] + } + ] + + def verify_dest_bitmap_state(self) -> None: + bitmaps = self.vm_b.query_bitmaps() + + for node in bitmaps: + bitmaps[node] = sorted(((bmap['name'], bmap['persistent']) for bmap in bitmaps[node])) + + self.assertEqual(bitmaps, + {'node-a': [('bmap-a', True), ('bmap-b', False)], + 'node-b': [('bmap-a', False), ('bmap-b', False)]}) + + def test_transform_on_src(self) -> None: + self.set_mapping(self.vm_a, self.transform_mapping()) + + self.migrate() + self.verify_dest_bitmap_state() + self.verify_dest_error(None) + + def test_transform_on_dst(self) -> None: + self.set_mapping(self.vm_b, self.transform_mapping()) + + self.migrate() + self.verify_dest_bitmap_state() + self.verify_dest_error(None) if __name__ == '__main__': iotests.main(supported_protocols=['file']) diff --git a/tests/qemu-iotests/300.out b/tests/qemu-iotests/300.out index cafb816..12e9ab7 100644 --- a/tests/qemu-iotests/300.out +++ b/tests/qemu-iotests/300.out @@ -1,5 +1,5 @@ -..................................... +....................................... ---------------------------------------------------------------------- -Ran 37 tests +Ran 39 tests OK -- cgit v1.1 From 934aee14d36e67468260635af61c387227cdaf78 Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Tue, 2 Feb 2021 15:49:44 +0300 Subject: block: use return status of bdrv_append() Now bdrv_append returns status and we can drop all the local_err things around it. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Alberto Garcia Message-Id: <20210202124956.63146-3-vsementsov@virtuozzo.com> Signed-off-by: Eric Blake --- tests/test-bdrv-graph-mod.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'tests') diff --git a/tests/test-bdrv-graph-mod.c b/tests/test-bdrv-graph-mod.c index 8cff138..c4f7d16 100644 --- a/tests/test-bdrv-graph-mod.c +++ b/tests/test-bdrv-graph-mod.c @@ -101,7 +101,7 @@ static BlockDriverState *pass_through_node(const char *name) */ static void test_update_perm_tree(void) { - Error *local_err = NULL; + int ret; BlockBackend *root = blk_new(qemu_get_aio_context(), BLK_PERM_WRITE | BLK_PERM_CONSISTENT_READ, @@ -114,8 +114,8 @@ static void test_update_perm_tree(void) bdrv_attach_child(filter, bs, "child", &child_of_bds, BDRV_CHILD_FILTERED | BDRV_CHILD_PRIMARY, &error_abort); - bdrv_append(filter, bs, &local_err); - error_free_or_abort(&local_err); + ret = bdrv_append(filter, bs, NULL); + g_assert_cmpint(ret, <, 0); blk_unref(root); } -- cgit v1.1