feature: support session tag chaining for training job

src/sagemaker/estimator.py

@@ -181,6 +181,7 @@ def __init__(
         container_arguments: Optional[List[str]] = None,
         disable_output_compression: bool = False,
         enable_remote_debug: Optional[Union[bool, PipelineVariable]] = None,
+        enable_session_tag_chaining: Optional[Union[bool, PipelineVariable]] = None,
         **kwargs,
     ):
         """Initialize an ``EstimatorBase`` instance.
@@ -544,7 +545,9 @@ def __init__(
             enable_infra_check (bool or PipelineVariable): Optional.
                 Specifies whether it is running Sagemaker built-in infra check jobs.
             enable_remote_debug (bool or PipelineVariable): Optional.
-                Specifies whether RemoteDebug is enabled for the training job
+                Specifies whether RemoteDebug is enabled for the training job.
+            enable_session_tag_chaining (bool or PipelineVariable): Optional.
+                Specifies whether SessionTagChaining is enabled for the training job.
         """
         instance_count = renamed_kwargs(
             "train_instance_count", "instance_count", instance_count, kwargs
@@ -785,6 +788,8 @@ def __init__(
 
         self._enable_remote_debug = enable_remote_debug
 
+        self._enable_session_tag_chaining = enable_session_tag_chaining
+
     @abstractmethod
     def training_image_uri(self):
         """Return the Docker image to use for training.
@@ -2318,6 +2323,14 @@ def get_remote_debug_config(self):
             else {"EnableRemoteDebug": self._enable_remote_debug}
         )
 
+    def get_session_chaining_config(self):
+        """dict: Return the configuration of SessionChaining"""
+        return (
+            None
+            if self._enable_session_tag_chaining is None
+            else {"EnableSessionTagChaining": self._enable_session_tag_chaining}
+        )
+
     def enable_remote_debug(self):
         """Enable remote debug for a training job."""
         self._update_remote_debug(True)
@@ -2574,6 +2587,9 @@ def _get_train_args(cls, estimator, inputs, experiment_config):
         if estimator.get_remote_debug_config() is not None:
             train_args["remote_debug_config"] = estimator.get_remote_debug_config()
 
+        if estimator.get_session_chaining_config() is not None:
+            train_args["session_chaining_config"] = estimator.get_session_chaining_config()
+
         return train_args
 
     @classmethod
@@ -2766,6 +2782,7 @@ def __init__(
         disable_output_compression: bool = False,
         enable_infra_check: Optional[Union[bool, PipelineVariable]] = None,
         enable_remote_debug: Optional[Union[bool, PipelineVariable]] = None,
+        enable_session_tag_chaining: Optional[Union[bool, PipelineVariable]] = None,
         **kwargs,
     ):
         """Initialize an ``Estimator`` instance.
@@ -3129,6 +3146,8 @@ def __init__(
                 Specifies whether it is running Sagemaker built-in infra check jobs.
             enable_remote_debug (bool or PipelineVariable): Optional.
                 Specifies whether RemoteDebug is enabled for the training job
+            enable_session_tag_chaining (bool or PipelineVariable): Optional.
+                 Specifies whether SessionTagChaining is enabled for the training job
         """
         self.image_uri = image_uri
         self._hyperparameters = hyperparameters.copy() if hyperparameters else {}
@@ -3181,6 +3200,7 @@ def __init__(
             container_arguments=container_arguments,
             disable_output_compression=disable_output_compression,
             enable_remote_debug=enable_remote_debug,
+            enable_session_tag_chaining=enable_session_tag_chaining,
             **kwargs,
         )
 

src/sagemaker/jumpstart/estimator.py

@@ -109,6 +109,7 @@ def __init__(
         container_arguments: Optional[List[str]] = None,
         disable_output_compression: Optional[bool] = None,
         enable_remote_debug: Optional[Union[bool, PipelineVariable]] = None,
+        enable_session_tag_chaining: Optional[Union[bool, PipelineVariable]] = None,
     ):
         """Initializes a ``JumpStartEstimator``.
 
@@ -500,6 +501,8 @@ def __init__(
                 to Amazon S3 without compression after training finishes.
             enable_remote_debug (bool or PipelineVariable): Optional.
                 Specifies whether RemoteDebug is enabled for the training job
+            enable_session_tag_chaining (bool or PipelineVariable): Optional.
+                Specifies whether SessionTagChaining is enabled for the training job
 
         Raises:
             ValueError: If the model ID is not recognized by JumpStart.
@@ -578,6 +581,7 @@ def _validate_model_id_and_get_type_hook():
             disable_output_compression=disable_output_compression,
             enable_infra_check=enable_infra_check,
             enable_remote_debug=enable_remote_debug,
+            enable_session_tag_chaining=enable_session_tag_chaining,
         )
 
         self.model_id = estimator_init_kwargs.model_id

src/sagemaker/jumpstart/factory/estimator.py

@@ -130,6 +130,7 @@ def get_init_kwargs(
     disable_output_compression: Optional[bool] = None,
     enable_infra_check: Optional[Union[bool, PipelineVariable]] = None,
     enable_remote_debug: Optional[Union[bool, PipelineVariable]] = None,
+    enable_session_tag_chaining: Optional[Union[bool, PipelineVariable]] = None,
 ) -> JumpStartEstimatorInitKwargs:
     """Returns kwargs required to instantiate `sagemaker.estimator.Estimator` object."""
 
@@ -188,6 +189,7 @@ def get_init_kwargs(
         disable_output_compression=disable_output_compression,
         enable_infra_check=enable_infra_check,
         enable_remote_debug=enable_remote_debug,
+        enable_session_tag_chaining=enable_session_tag_chaining,
     )
 
     estimator_init_kwargs = _add_model_version_to_kwargs(estimator_init_kwargs)

src/sagemaker/jumpstart/types.py

@@ -1723,6 +1723,7 @@ class JumpStartEstimatorInitKwargs(JumpStartKwargs):
         "disable_output_compression",
         "enable_infra_check",
         "enable_remote_debug",
+        "enable_session_tag_chaining",
     ]
 
     SERIALIZATION_EXCLUSION_SET = {
@@ -1790,6 +1791,7 @@ def __init__(
         disable_output_compression: Optional[bool] = None,
         enable_infra_check: Optional[Union[bool, PipelineVariable]] = None,
         enable_remote_debug: Optional[Union[bool, PipelineVariable]] = None,
+        enable_session_tag_chaining: Optional[Union[bool, PipelineVariable]] = None,
     ) -> None:
         """Instantiates JumpStartEstimatorInitKwargs object."""
 
@@ -1849,6 +1851,7 @@ def __init__(
         self.disable_output_compression = disable_output_compression
         self.enable_infra_check = enable_infra_check
         self.enable_remote_debug = enable_remote_debug
+        self.enable_session_tag_chaining = enable_session_tag_chaining
 
 
 class JumpStartEstimatorFitKwargs(JumpStartKwargs):

src/sagemaker/session.py

@@ -758,6 +758,7 @@ def train(  # noqa: C901
         environment: Optional[Dict[str, str]] = None,
         retry_strategy=None,
         remote_debug_config=None,
+        session_chaining_config=None,
     ):
         """Create an Amazon SageMaker training job.
 
@@ -877,6 +878,15 @@ def train(  # noqa: C901
                     remote_debug_config = {
                         "EnableRemoteDebug": True,
                     }
+            session_chaining_config(dict): Configuration for SessionChaining. (default: ``None``)
+                The dict can contain 'EnableSessionTagChaining'(bool).
+                For example,
+
+                .. code:: python
+
+                    session_chaining_config = {
+                        "EnableSessionTagChaining": True,
+                    }
             environment (dict[str, str]) : Environment variables to be set for
                 use during training job (default: ``None``)
             retry_strategy(dict): Defines RetryStrategy for InternalServerFailures.
@@ -970,6 +980,7 @@ def train(  # noqa: C901
             profiler_rule_configs=profiler_rule_configs,
             profiler_config=inferred_profiler_config,
             remote_debug_config=remote_debug_config,
+            session_chaining_config=session_chaining_config,
             environment=environment,
             retry_strategy=retry_strategy,
         )
@@ -1013,6 +1024,7 @@ def _get_train_request(  # noqa: C901
         profiler_rule_configs=None,
         profiler_config=None,
         remote_debug_config=None,
+        session_chaining_config=None,
         environment=None,
         retry_strategy=None,
     ):
@@ -1133,6 +1145,15 @@ def _get_train_request(  # noqa: C901
                     remote_debug_config = {
                         "EnableRemoteDebug": True,
                     }
+            session_chaining_config(dict): Configuration for SessionChaining. (default: ``None``)
+                The dict can contain 'EnableSessionTagChaining'(bool).
+                For example,
+
+                .. code:: python
+
+                    session_chaining_config = {
+                        "EnableSessionTagChaining": True,
+                    }
             environment (dict[str, str]) : Environment variables to be set for
                 use during training job (default: ``None``)
             retry_strategy(dict): Defines RetryStrategy for InternalServerFailures.
@@ -1239,6 +1260,9 @@ def _get_train_request(  # noqa: C901
         if remote_debug_config is not None:
             train_request["RemoteDebugConfig"] = remote_debug_config
 
+        if session_chaining_config is not None:
+            train_request["SessionChainingConfig"] = session_chaining_config
+
         if retry_strategy is not None:
             train_request["RetryStrategy"] = retry_strategy
 

tests/unit/test_estimator.py

@@ -2089,6 +2089,41 @@ def test_framework_disable_remote_debug(sagemaker_session):
     assert len(args) == 2
 
 
+def test_framework_with_session_chaining_config(sagemaker_session):
+    f = DummyFramework(
+        entry_point=SCRIPT_PATH,
+        role=ROLE,
+        sagemaker_session=sagemaker_session,
+        instance_groups=[
+            InstanceGroup("group1", "ml.c4.xlarge", 1),
+            InstanceGroup("group2", "ml.m4.xlarge", 2),
+        ],
+        enable_session_tag_chaining=True,
+    )
+    f.fit("s3://mydata")
+    sagemaker_session.train.assert_called_once()
+    _, args = sagemaker_session.train.call_args
+    assert args["session_chaining_config"]["EnableSessionTagChaining"]
+    assert f.get_session_chaining_config()["EnableSessionTagChaining"]
+
+
+def test_framework_without_session_chaining_config(sagemaker_session):
+    f = DummyFramework(
+        entry_point=SCRIPT_PATH,
+        role=ROLE,
+        sagemaker_session=sagemaker_session,
+        instance_groups=[
+            InstanceGroup("group1", "ml.c4.xlarge", 1),
+            InstanceGroup("group2", "ml.m4.xlarge", 2),
+        ],
+    )
+    f.fit("s3://mydata")
+    sagemaker_session.train.assert_called_once()
+    _, args = sagemaker_session.train.call_args
+    assert args.get("SessionTagChaining") is None
+    assert f.get_remote_debug_config() is None
+
+
 @patch("time.strftime", return_value=TIMESTAMP)
 def test_custom_code_bucket(time, sagemaker_session):
     code_bucket = "codebucket"

tests/unit/test_session.py

@@ -2197,6 +2197,7 @@ def test_train_pack_to_request_with_optional_params(sagemaker_session):
     CONTAINER_ENTRY_POINT = ["bin/bash", "test.sh"]
     CONTAINER_ARGUMENTS = ["--arg1", "value1", "--arg2", "value2"]
     remote_debug_config = {"EnableRemoteDebug": True}
+    session_chaining_config = {"EnableSessionTagChaining": True}
 
     sagemaker_session.train(
         image_uri=IMAGE,
@@ -2222,6 +2223,7 @@ def test_train_pack_to_request_with_optional_params(sagemaker_session):
         container_entry_point=CONTAINER_ENTRY_POINT,
         container_arguments=CONTAINER_ARGUMENTS,
         remote_debug_config=remote_debug_config,
+        session_chaining_config=session_chaining_config,
     )
 
     _, _, actual_train_args = sagemaker_session.sagemaker_client.method_calls[0]
@@ -2245,6 +2247,7 @@ def test_train_pack_to_request_with_optional_params(sagemaker_session):
     )
     assert actual_train_args["AlgorithmSpecification"]["ContainerArguments"] == CONTAINER_ARGUMENTS
     assert actual_train_args["RemoteDebugConfig"]["EnableRemoteDebug"]
+    assert actual_train_args["SessionChainingConfig"]["EnableSessionTagChaining"]
 
 
 def test_create_transform_job_with_sagemaker_config_injection(sagemaker_session):