Commit 3e6d88f2 authored by Vladimir Sementsov-Ogievskiy's avatar Vladimir Sementsov-Ogievskiy Committed by John Snow
Browse files

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: default avatarVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: default avatarJohn Snow <jsnow@redhat.com>
parent b9247fc1

tests/qemu-iotests/169

+59 −1
Original line number Diff line number Diff line
@@ -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'])

tests/qemu-iotests/169.out

+2 −2
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----------------------------------------------------------------------

Ran 16 tests

Ran 20 tests



OK