From e56ee6a66cc5452a46426b11d642da792b7ee75d Mon Sep 17 00:00:00 2001

From: John Snow <jsnow@redhat.com>

Date: Tue, 20 Nov 2018 18:18:28 +0000

Subject: [PATCH 34/35] iotests: 169: add cases for source vm resuming

RH-Author: John Snow <jsnow@redhat.com>

Message-id: <20181120181828.15132-25-jsnow@redhat.com>

Patchwork-id: 83068

O-Subject: [RHEL8/rhel qemu-kvm PATCH 24/24] iotests: 169: add cases for source vm resuming

Bugzilla: 1518989

RH-Acked-by: Laurent Vivier <lvivier@redhat.com>

RH-Acked-by: Max Reitz <mreitz@redhat.com>

RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>

From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>

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>

(cherry picked from commit 3e6d88f280a53b5b399e73b1f80efe4c3db306f1)

Signed-off-by: John Snow <jsnow@redhat.com>

Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>

---

 tests/qemu-iotests/169     | 60 +++++++++++++++++++++++++++++++++++++++++++++-

 tests/qemu-iotests/169.out |  4 ++--

 2 files changed, 61 insertions(+), 3 deletions(-)

diff --git a/tests/qemu-iotests/169 b/tests/qemu-iotests/169

index 8b7947d..69850c4 100755

--- a/tests/qemu-iotests/169

+++ b/tests/qemu-iotests/169

@@ -77,6 +77,58 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase):

             self.assert_qmp(result, 'error/desc',

                             "Dirty bitmap 'bitmap0' not found");

+    def do_test_migration_resume_source(self, persistent, migrate_bitmaps):

+        granularity = 512

+

+        # regions = ((start, count), ...)

+        regions = ((0, 0x10000),

+                   (0xf0000, 0x10000),

+                   (0xa0201, 0x1000))

+

+        mig_caps = [{'capability': 'events', 'state': True}]

+        if migrate_bitmaps:

+            mig_caps.append({'capability': 'dirty-bitmaps', 'state': True})

+

+        result = self.vm_a.qmp('migrate-set-capabilities',

+                               capabilities=mig_caps)

+        self.assert_qmp(result, 'return', {})

+

+        self.add_bitmap(self.vm_a, granularity, persistent)

+        for r in regions:

+            self.vm_a.hmp_qemu_io('drive0', 'write %d %d' % r)

+        sha256 = self.get_bitmap_hash(self.vm_a)

+

+        result = self.vm_a.qmp('migrate', uri=mig_cmd)

+        while True:

+            event = self.vm_a.event_wait('MIGRATION')

+            if event['data']['status'] == 'completed':

+                break

+

+        # test that bitmap is still here

+        removed = (not migrate_bitmaps) and persistent

+        self.check_bitmap(self.vm_a, False if removed else sha256)

+

+        self.vm_a.qmp('cont')

+

+        # test that bitmap is still here after invalidation

+        self.check_bitmap(self.vm_a, sha256)

+

+        # shutdown and check that invalidation didn't fail

+        self.vm_a.shutdown()

+

+        # catch 'Could not reopen qcow2 layer: Bitmap already exists'

+        # possible error

+        log = self.vm_a.get_log()

+        log = re.sub(r'^\[I \d+\.\d+\] OPENED\n', '', log)

+        log = re.sub(r'^(wrote .* bytes at offset .*\n.*KiB.*ops.*sec.*\n){3}',

+                     '', log)

+        log = re.sub(r'\[I \+\d+\.\d+\] CLOSED\n?$', '', log)

+        self.assertEqual(log, '')

+

+        # test that bitmap is still persistent

+        self.vm_a.launch()

+        self.check_bitmap(self.vm_a, sha256 if persistent else False)

+

     def do_test_migration(self, persistent, migrate_bitmaps, online,

                           shared_storage):

         granularity = 512

@@ -152,7 +204,7 @@ class TestDirtyBitmapMigration(iotests.QMPTestCase):

 def inject_test_case(klass, name, method, *args, **kwargs):

     mc = operator.methodcaller(method, *args, **kwargs)

-    setattr(klass, 'test_' + name, new.instancemethod(mc, None, klass))

+    setattr(klass, 'test_' + method + name, new.instancemethod(mc, None, klass))

 for cmb in list(itertools.product((True, False), repeat=4)):

     name = ('_' if cmb[0] else '_not_') + 'persistent_'

@@ -163,6 +215,12 @@ for cmb in list(itertools.product((True, False), repeat=4)):

     inject_test_case(TestDirtyBitmapMigration, name, 'do_test_migration',

                      *list(cmb))

+for cmb in list(itertools.product((True, False), repeat=2)):

+    name = ('_' if cmb[0] else '_not_') + 'persistent_'

+    name += ('_' if cmb[1] else '_not_') + 'migbitmap'

+

+    inject_test_case(TestDirtyBitmapMigration, name,

+                     'do_test_migration_resume_source', *list(cmb))

 if __name__ == '__main__':

     iotests.main(supported_fmts=['qcow2'])

diff --git a/tests/qemu-iotests/169.out b/tests/qemu-iotests/169.out

index b6f2576..3a89159 100644

--- a/tests/qemu-iotests/169.out

+++ b/tests/qemu-iotests/169.out

@@ -1,5 +1,5 @@

-................

+....................

 ----------------------------------------------------------------------

-Ran 16 tests

+Ran 20 tests

 OK

-- 

1.8.3.1