[BigDataTraining] Fix test script introduced by API change

release/nightly_tests/dataset/ray_sgd_training.py

@@ -18,33 +18,8 @@
 from ray import train
 from ray.data.aggregate import Mean, Std
 from ray.data.dataset_pipeline import DatasetPipeline
-from ray.train import Trainer, TrainingCallback
-from ray.train.callbacks import TBXLoggerCallback
-
-
-# TODO(amogkam): Upstream this into Ray Train.
-class MLflowCallback(TrainingCallback):
-    def __init__(self, config):
-        self.config = config
-
-    def handle_result(self, results, **info):
-        # For each result that's being reported by ``train.report()``,
-        # we get the result from the rank 0 worker (i.e. first worker) and
-        # report it to MLflow.
-        rank_zero_results = results[0]
-        mlflow.log_metrics(rank_zero_results)
-
-    # TODO: fix type hint for logdir
-    def start_training(self, logdir, **info):
-        mlflow.start_run(run_name=str(logdir.name))
-        mlflow.log_params(config)
-
-        # TODO: Update TrainCallback to provide logdir in finish_training.
-        self.logdir = logdir
-
-    def finish_training(self, error: bool = False, **info):
-        # Save the Trainer checkpoints as artifacts to mlflow.
-        mlflow.log_artifacts(self.logdir)
+from ray.train import Trainer
+from ray.train.callbacks import MLflowLoggerCallback, TBXLoggerCallback
 
 
 def read_dataset(path: str) -> ray.data.Dataset:
@@ -593,7 +568,8 @@ def train(self):
     os.makedirs(tbx_runs_dir, exist_ok=True)
     callbacks = [
         TBXLoggerCallback(logdir=tbx_runs_dir),
-        MLflowCallback(config)
+        MLflowLoggerCallback(
+            experiment_name="cuj-big-data-training", save_artifact=True)
     ]
 
     # Remove CPU resource so Datasets can be scheduled.