| # Copyright 2020 The TensorFlow Authors. All Rights Reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the 'License'); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an 'AS IS' BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # ============================================================================== |
| """Tests for SageMakerClusterResolver.""" |
| |
| import os |
| |
| from tensorflow.python.distribute.cluster_resolver.sagemaker_cluster_resolver import SageMakerClusterResolver |
| from tensorflow.python.framework import test_util |
| from tensorflow.python.platform import test |
| from tensorflow.python.training import server_lib |
| |
| mock = test.mock |
| |
| |
| @test_util.run_all_in_graph_and_eager_modes |
| class SageMakerClusterResolverTest(test.TestCase): |
| |
| def _verifyClusterSpecEquality(self, cluster_spec, expected_proto): |
| self.assertProtoEquals(expected_proto, cluster_spec.as_cluster_def()) |
| self.assertProtoEquals( |
| expected_proto, |
| server_lib.ClusterSpec(cluster_spec).as_cluster_def()) |
| self.assertProtoEquals( |
| expected_proto, |
| server_lib.ClusterSpec(cluster_spec.as_cluster_def()).as_cluster_def()) |
| self.assertProtoEquals( |
| expected_proto, |
| server_lib.ClusterSpec(cluster_spec.as_dict()).as_cluster_def()) |
| |
| def testNormalClusterSpecRead(self): |
| os.environ['SM_HOSTS'] = '["algo-1","algo-2"]' |
| os.environ['SM_CURRENT_HOST'] = 'algo-2' |
| |
| cluster_resolver = SageMakerClusterResolver() |
| expected_proto = """ |
| job { name: 'worker' tasks { key: 0 value: 'algo-1:2223' } |
| tasks { key: 1 value: 'algo-2:2223' } } |
| """ |
| actual_cluster_spec = cluster_resolver.cluster_spec() |
| self._verifyClusterSpecEquality(actual_cluster_spec, expected_proto) |
| |
| def testAutomaticMasterRead(self): |
| os.environ['SM_HOSTS'] = '["algo-1","algo-2"]' |
| os.environ['SM_CURRENT_HOST'] = 'algo-1' |
| |
| cluster_resolver = SageMakerClusterResolver() |
| self.assertEqual('algo-1:2223', cluster_resolver.master()) |
| |
| def testSpecifiedTaskTypeAndIndexMasterRead(self): |
| os.environ['SM_HOSTS'] = '["algo-1","algo-2"]' |
| os.environ['SM_CURRENT_HOST'] = 'algo-2' |
| |
| cluster_resolver = SageMakerClusterResolver() |
| self.assertEqual('algo-2:2223', cluster_resolver.master('worker', 1)) |
| |
| def testRpcLayerRead(self): |
| os.environ['SM_HOSTS'] = '["algo-1","algo-2"]' |
| os.environ['SM_CURRENT_HOST'] = 'algo-1' |
| |
| cluster_resolver = SageMakerClusterResolver(rpc_layer='grpc') |
| self.assertEqual('grpc://algo-1:2223', cluster_resolver.master()) |
| |
| def testParameterOverrides(self): |
| os.environ['SM_HOSTS'] = '["algo-1","algo-2"]' |
| os.environ['SM_CURRENT_HOST'] = 'algo-1' |
| |
| cluster_resolver = SageMakerClusterResolver(task_type='worker', task_id=0) |
| |
| self.assertEqual('algo-1:2223', cluster_resolver.master()) |
| self.assertEqual('worker', cluster_resolver.task_type) |
| self.assertEqual(0, cluster_resolver.task_id) |
| |
| cluster_resolver.task_type = 'worker' |
| cluster_resolver.task_id = 1 |
| cluster_resolver.rpc_layer = 'test' |
| |
| self.assertEqual('test://algo-2:2223', cluster_resolver.master()) |
| self.assertEqual('worker', cluster_resolver.task_type) |
| self.assertEqual(1, cluster_resolver.task_id) |
| self.assertEqual('test', cluster_resolver.rpc_layer) |
| |
| def testTaskIndexOverride(self): |
| os.environ['SM_HOSTS'] = '["algo-1","algo-2"]' |
| os.environ['SM_CURRENT_HOST'] = 'algo-2' |
| |
| cluster_resolver = SageMakerClusterResolver(task_id=1) |
| self.assertEqual(1, cluster_resolver.task_id) |
| |
| def testZeroItemsInClusterSpecMasterRead(self): |
| os.environ['SM_HOSTS'] = '' |
| os.environ['SM_CURRENT_HOST'] = '' |
| |
| cluster_resolver = SageMakerClusterResolver() |
| self.assertEqual('', cluster_resolver.master()) |
| |
| def testOneItemInClusterSpecMasterRead(self): |
| os.environ['SM_HOSTS'] = '["algo-1"]' |
| os.environ['SM_CURRENT_HOST'] = '' |
| |
| cluster_resolver = SageMakerClusterResolver() |
| self.assertEqual('', cluster_resolver.master()) |
| |
| |
| if __name__ == '__main__': |
| test.main() |