feat: support pipeline versioning

Author: Namrata Madan

pyproject.toml

@@ -32,7 +32,7 @@ classifiers = [
 ]
 dependencies = [
   "attrs>=24,<26",
-  "boto3>=1.35.36,<2.0",
+  "boto3>=1.39.5,<2.0",
   "cloudpickle>=2.2.1",
   "docker",
   "fastapi",

src/sagemaker/workflow/pipeline.py

@@ -125,6 +125,15 @@ def __init__(
             self.sagemaker_session.boto_session.client("scheduler"),
         )
 
+    @property
+    def latest_pipeline_version_id(self):
+        """Retrieves the latest version id of this pipeline"""
+        summaries = self.list_pipeline_versions(max_results=1)["PipelineVersionSummaries"]
+        if not summaries:
+            return None
+        else:
+            return summaries[0].get("PipelineVersionId")
+
     def create(
         self,
         role_arn: str = None,
@@ -166,7 +175,8 @@ def create(
             kwargs,
             Tags=tags,
         )
-        return self.sagemaker_session.sagemaker_client.create_pipeline(**kwargs)
+        response = self.sagemaker_session.sagemaker_client.create_pipeline(**kwargs)
+        return response
 
     def _create_args(
         self, role_arn: str, description: str, parallelism_config: ParallelismConfiguration
@@ -214,15 +224,21 @@ def _create_args(
         )
         return kwargs
 
-    def describe(self) -> Dict[str, Any]:
+    def describe(self, pipeline_version_id: int = None) -> Dict[str, Any]:
         """Describes a Pipeline in the Workflow service.
 
+        Args:
+            pipeline_version_id (Optional[str]): version ID of the pipeline to describe.
+
         Returns:
             Response dict from the service. See `boto3 client documentation
             <https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/\
 sagemaker.html#SageMaker.Client.describe_pipeline>`_
         """
-        return self.sagemaker_session.sagemaker_client.describe_pipeline(PipelineName=self.name)
+        kwargs = dict(PipelineName=self.name)
+        if pipeline_version_id:
+            kwargs["PipelineVersionId"] = pipeline_version_id
+        return self.sagemaker_session.sagemaker_client.describe_pipeline(**kwargs)
 
     def update(
         self,
@@ -257,7 +273,8 @@ def update(
             return self.sagemaker_session.sagemaker_client.update_pipeline(self, description)
 
         kwargs = self._create_args(role_arn, description, parallelism_config)
-        return self.sagemaker_session.sagemaker_client.update_pipeline(**kwargs)
+        response = self.sagemaker_session.sagemaker_client.update_pipeline(**kwargs)
+        return response
 
     def upsert(
         self,
@@ -332,6 +349,7 @@ def start(
         execution_description: str = None,
         parallelism_config: ParallelismConfiguration = None,
         selective_execution_config: SelectiveExecutionConfig = None,
+        pipeline_version_id: int = None,
     ):
         """Starts a Pipeline execution in the Workflow service.
 
@@ -345,6 +363,8 @@ def start(
                 over the parallelism configuration of the parent pipeline.
             selective_execution_config (Optional[SelectiveExecutionConfig]): The configuration for
                 selective step execution.
+            pipeline_version_id (Optional[str]): version ID of the pipeline to start the execution from. If not
+                specified, uses the latest version ID.
 
         Returns:
             A `_PipelineExecution` instance, if successful.
@@ -366,6 +386,7 @@ def start(
             PipelineExecutionDisplayName=execution_display_name,
             ParallelismConfiguration=parallelism_config,
             SelectiveExecutionConfig=selective_execution_config,
+            PipelineVersionId=pipeline_version_id,
         )
         if self.sagemaker_session.local_mode:
             update_args(kwargs, PipelineParameters=parameters)
@@ -461,6 +482,32 @@ def list_executions(
             if key in response
         }
 
+    def list_pipeline_versions(
+        self, sort_order: str = None, max_results: int = None, next_token: str = None
+    ) -> str:
+        """Lists a pipeline's versions.
+
+        Args:
+            sort_order (str): The sort order for results (Ascending/Descending).
+            max_results (int): The maximum number of pipeline executions to return in the response.
+            next_token (str):  If the result of the previous `ListPipelineExecutions` request was
+                truncated, the response includes a `NextToken`. To retrieve the next set of pipeline
+                executions, use the token in the next request.
+
+        Returns:
+            List of Pipeline Version Summaries. See
+            boto3 client list_pipeline_versions
+            https://boto3.amazonaws.com/v1/documentation/api/latest/reference/services/sagemaker/client/list_pipeline_versions.html#
+        """
+        kwargs = dict(PipelineName=self.name)
+        update_args(
+            kwargs,
+            SortOrder=sort_order,
+            NextToken=next_token,
+            MaxResults=max_results,
+        )
+        return self.sagemaker_session.sagemaker_client.list_pipeline_versions(**kwargs)
+
     def _get_latest_execution_arn(self):
         """Retrieves the latest execution of this pipeline"""
         response = self.list_executions(
@@ -855,7 +902,7 @@ def describe(self):
 sagemaker.html#SageMaker.Client.describe_pipeline_execution>`_.
         """
         return self.sagemaker_session.sagemaker_client.describe_pipeline_execution(
-            PipelineExecutionArn=self.arn,
+            PipelineExecutionArn=self.arn
         )
 
     def list_steps(self):

tests/integ/sagemaker/workflow/test_workflow.py

@@ -312,6 +312,7 @@ def test_three_step_definition(
             rf"arn:aws:sagemaker:{region_name}:\d{{12}}:pipeline/{pipeline_name}",
             create_arn,
         )
+        assert pipeline.latest_pipeline_version_id == 1
     finally:
         try:
             pipeline.delete()
@@ -937,7 +938,6 @@ def test_large_pipeline(sagemaker_session_for_pipeline, role, pipeline_name, reg
             rf"arn:aws:sagemaker:{region_name}:\d{{12}}:pipeline/{pipeline_name}",
             create_arn,
         )
-        response = pipeline.describe()
         assert len(json.loads(pipeline.describe()["PipelineDefinition"])["Steps"]) == 2000
 
         pipeline.parameters = [ParameterInteger(name="InstanceCount", default_value=1)]
@@ -1387,3 +1387,56 @@ def test_caching_behavior(
         except Exception:
             os.remove(script_dir + "/dummy_script.py")
             pass
+
+
+def test_pipeline_versioning(pipeline_session, role, pipeline_name, script_dir):
+    sklearn_train = SKLearn(
+        framework_version="0.20.0",
+        entry_point=os.path.join(script_dir, "train.py"),
+        instance_type="ml.m5.xlarge",
+        sagemaker_session=pipeline_session,
+        role=role,
+    )
+
+    step1 = TrainingStep(
+        name="my-train-1",
+        display_name="TrainingStep",
+        description="description for Training step",
+        step_args=sklearn_train.fit(),
+    )
+
+    step2 = TrainingStep(
+        name="my-train-2",
+        display_name="TrainingStep",
+        description="description for Training step",
+        step_args=sklearn_train.fit(),
+    )
+    pipeline = Pipeline(
+        name=pipeline_name,
+        steps=[step1],
+        sagemaker_session=pipeline_session,
+    )
+
+    try:
+        pipeline.create(role)
+
+        assert pipeline.latest_pipeline_version_id == 1
+
+        describe_response = pipeline.describe(pipeline_version_id=1)
+        assert len(json.loads(describe_response["PipelineDefinition"])["Steps"]) == 1
+
+        pipeline.steps.append(step2)
+        pipeline.upsert(role)
+
+        assert pipeline.latest_pipeline_version_id == 2
+
+        describe_response = pipeline.describe(pipeline_version_id=2)
+        assert len(json.loads(describe_response["PipelineDefinition"])["Steps"]) == 2
+
+        assert len(pipeline.list_pipeline_versions()["PipelineVersionSummaries"]) == 2
+
+    finally:
+        try:
+            pipeline.delete()
+        except Exception:
+            pass

tests/unit/sagemaker/workflow/test_pipeline.py

@@ -391,7 +391,6 @@ def _raise_does_already_exists_client_error(**kwargs):
     sagemaker_session_mock.sagemaker_client.create_pipeline = Mock(
         name="create_pipeline", side_effect=_raise_does_already_exists_client_error
     )
-
     sagemaker_session_mock.sagemaker_client.update_pipeline.return_value = {
         "PipelineArn": "pipeline-arn"
     }
@@ -429,6 +428,12 @@ def _raise_does_already_exists_client_error(**kwargs):
         ResourceArn="pipeline-arn", Tags=tags
     )
 
+    sagemaker_session_mock.sagemaker_client.list_pipeline_versions.return_value = {
+        "PipelineVersionSummaries": [{"PipelineVersionId": 2}]
+    }
+
+    assert pipeline.latest_pipeline_version_id == 2
+
 
 def test_pipeline_upsert_create_unexpected_failure(sagemaker_session_mock, role_arn):
 
@@ -476,18 +481,11 @@ def _raise_unexpected_client_error(**kwargs):
     sagemaker_session_mock.sagemaker_client.add_tags.assert_not_called()
 
 
-def test_pipeline_upsert_resourse_doesnt_exist(sagemaker_session_mock, role_arn):
+def test_pipeline_upsert_resource_doesnt_exist(sagemaker_session_mock, role_arn):
 
     # case 3: resource does not exist
     sagemaker_session_mock.sagemaker_client.create_pipeline = Mock(name="create_pipeline")
 
-    sagemaker_session_mock.sagemaker_client.update_pipeline.return_value = {
-        "PipelineArn": "pipeline-arn"
-    }
-    sagemaker_session_mock.sagemaker_client.list_tags.return_value = {
-        "Tags": [{"Key": "dummy", "Value": "dummy_tag"}]
-    }
-
     tags = [
         {"Key": "foo", "Value": "abc"},
         {"Key": "bar", "Value": "xyz"},
@@ -542,6 +540,11 @@ def test_pipeline_describe(sagemaker_session_mock):
         PipelineName="MyPipeline",
     )
 
+    pipeline.describe(pipeline_version_id=5)
+    sagemaker_session_mock.sagemaker_client.describe_pipeline.assert_called_with(
+        PipelineName="MyPipeline", PipelineVersionId=5
+    )
+
 
 def test_pipeline_start(sagemaker_session_mock):
     sagemaker_session_mock.sagemaker_client.start_pipeline_execution.return_value = {
@@ -568,6 +571,11 @@ def test_pipeline_start(sagemaker_session_mock):
         PipelineName="MyPipeline", PipelineParameters=[{"Name": "alpha", "Value": "epsilon"}]
     )
 
+    pipeline.start(pipeline_version_id=5)
+    sagemaker_session_mock.sagemaker_client.start_pipeline_execution.assert_called_with(
+        PipelineName="MyPipeline", PipelineVersionId=5
+    )
+
 
 def test_pipeline_start_selective_execution(sagemaker_session_mock):
     sagemaker_session_mock.sagemaker_client.start_pipeline_execution.return_value = {
@@ -809,6 +817,29 @@ def test_pipeline_list_executions(sagemaker_session_mock):
     assert executions["NextToken"] == "token"
 
 
+def test_pipeline_list_versions(sagemaker_session_mock):
+    sagemaker_session_mock.sagemaker_client.list_pipeline_versions.return_value = {
+        "PipelineVersionSummaries": [Mock()],
+        "NextToken": "token",
+    }
+    pipeline = Pipeline(
+        name="MyPipeline",
+        parameters=[ParameterString("alpha", "beta"), ParameterString("gamma", "delta")],
+        steps=[],
+        sagemaker_session=sagemaker_session_mock,
+    )
+    versions = pipeline.list_pipeline_versions()
+    assert len(versions["PipelineVersionSummaries"]) == 1
+    assert versions["NextToken"] == "token"
+
+    sagemaker_session_mock.sagemaker_client.list_pipeline_versions.return_value = {
+        "PipelineVersionSummaries": [Mock(), Mock()],
+    }
+    versions = pipeline.list_pipeline_versions(next_token=versions["NextToken"])
+    assert len(versions["PipelineVersionSummaries"]) == 2
+    assert "NextToken" not in versions
+
+
 def test_pipeline_build_parameters_from_execution(sagemaker_session_mock):
     pipeline = Pipeline(
         name="MyPipeline",