Add API doc for Airflow (#543)

Author: yangaws

CHANGELOG.rst

@@ -14,6 +14,7 @@ CHANGELOG
 * feature: Local Mode: Add support for intermediate output to a local directory.
 * bug-fix: Update PyYAML version to avoid conflicts with docker-compose
 * doc-fix: Correct the numbered list in the table of contents
+* doc-fix: Add Airflow API documentation
 
 1.16.1.post1
 ============

doc/index.rst

@@ -44,9 +44,9 @@ Reinforcement Learning
 A managed environment for Reinforcement Learning training and hosting on Amazon SageMaker
 
 .. toctree::
-:maxdepth: 2
+    :maxdepth: 2
 
-        sagemaker.rl
+    sagemaker.rl
 
 SageMaker First-Party Algorithms
 --------------------------------
@@ -62,3 +62,12 @@ Amazon provides implementations of some common machine learning algortithms opti
     factorization_machines
     lda
     ntm
+
+Workflows
+---------
+SageMaker APIs to export configurations for creating and managing Airflow workflows.
+
+.. toctree::
+    :maxdepth: 2
+
+    sagemaker.workflow.airflow

doc/sagemaker.workflow.airflow.rst

@@ -0,0 +1,42 @@
+Airflow
+=======
+
+training_config
+---------------
+
+.. autofunction:: sagemaker.workflow.airflow.training_config
+
+tuning_config
+-------------
+
+.. autofunction:: sagemaker.workflow.airflow.tuning_config
+
+model_config
+------------
+
+.. autofunction:: sagemaker.workflow.airflow.model_config
+
+model_config_from_estimator
+---------------------------
+
+.. autofunction:: sagemaker.workflow.airflow.model_config_from_estimator
+
+transform_config
+----------------
+
+.. autofunction:: sagemaker.workflow.airflow.transform_config
+
+transform_config_from_estimator
+-------------------------------
+
+.. autofunction:: sagemaker.workflow.airflow.transform_config_from_estimator
+
+deploy_config
+-------------
+
+.. autofunction:: sagemaker.workflow.airflow.deploy_config
+
+deploy_config_from_estimator
+----------------
+
+.. autofunction:: sagemaker.workflow.airflow.deploy_config_from_estimator