def test_migrate_live_invalid_cpu_info(self):
self._test_migrate_live_failed_with_exception(
exception.InvalidCPUInfo(reason=""))
def test_live_migration_auto_set_dest(self):
instance = self._live_migration_instance()
# Confirm scheduler picks target host if none given.
self.mox.StubOutWithMock(db, 'instance_type_get')
self.mox.StubOutWithMock(self.driver, '_live_migration_src_check')
self.mox.StubOutWithMock(self.driver, 'select_hosts')
self.mox.StubOutWithMock(self.driver, '_live_migration_common_check')
self.mox.StubOutWithMock(rpc, 'call')
self.mox.StubOutWithMock(self.driver.compute_rpcapi, 'live_migration')
dest = None
block_migration = False
disk_over_commit = False
instance_type = instance_types.extract_instance_type(instance)
request_spec = {'instance_properties': instance,
'instance_type': instance_type,
'instance_uuids': [instance['uuid']],
'image': self.image_service.show(self.context,
instance['image_ref'])
}
self.driver._live_migration_src_check(self.context, instance)
db.instance_type_get(self.context,
instance_type['id']).MultipleTimes().AndReturn(
instance_type)
# First selected host raises exception.InvalidHypervisorType
self.driver.select_hosts(self.context, request_spec,
{'ignore_hosts': [instance['host']]}).AndReturn(['fake_host2'])
self.driver._live_migration_common_check(self.context, instance,
'fake_host2').AndRaise(exception.InvalidHypervisorType())
# Second selected host raises exception.InvalidCPUInfo
self.driver.select_hosts(self.context, request_spec,
{'ignore_hosts': [instance['host'],
'fake_host2']}).AndReturn(['fake_host3'])
self.driver._live_migration_common_check(self.context, instance,
'fake_host3')
rpc.call(self.context, "compute.fake_host3",
{"method": 'check_can_live_migrate_destination',
"args": {'instance': instance,
'block_migration': block_migration,
'disk_over_commit': disk_over_commit},
"version": compute_rpcapi.ComputeAPI.BASE_RPC_API_VERSION},
None).AndRaise(exception.InvalidCPUInfo(reason=""))
# Third selected host pass all checks
self.driver.select_hosts(self.context, request_spec,
{'ignore_hosts': [instance['host'],
'fake_host2',
'fake_host3']}).AndReturn(['fake_host4'])
self.driver._live_migration_common_check(self.context, instance,
'fake_host4')
rpc.call(self.context, "compute.fake_host4",
{"method": 'check_can_live_migrate_destination',
"args": {'instance': instance,
'block_migration': block_migration,
'disk_over_commit': disk_over_commit},
"version": compute_rpcapi.ComputeAPI.BASE_RPC_API_VERSION},
None).AndReturn({})
self.driver.compute_rpcapi.live_migration(self.context,
host=instance['host'], instance=instance, dest='fake_host4',
block_migration=block_migration, migrate_data={})
self.mox.ReplayAll()
result = self.driver.schedule_live_migration(self.context,
instance=instance, dest=dest,
block_migration=block_migration,
disk_over_commit=disk_over_commit)
self.assertEqual(result, None)