[SDK] Enable resource specification for trial containers

sdk/python/v1beta1/kubeflow/katib/api/katib_client.py

@@ -147,6 +147,7 @@ def tune(
         retain_trials: bool = False,
         packages_to_install: List[str] = None,
         pip_index_url: str = "https://pypi.org/simple",
+        resources: Optional[client.V1ResourceRequirements] = None,
     ):
         """Create HyperParameter Tuning Katib Experiment from the objective function.
 
@@ -182,6 +183,9 @@ def tune(
                 to the base image packages. These packages are installed before
                 executing the objective function.
             pip_index_url: The PyPI url from which to install Python packages.
+            resources: An optional kubernetes.client.V1ResourceRequirements object that lets
+                you manully specify cpu and memory limits and requests for the trial container.
+                Additional details are available at https://github.com/kubernetes-client/python/blob/master/kubernetes/docs/V1ResourceRequirements.md.
 
         Raises:
             ValueError: Objective function has invalid arguments.
@@ -297,6 +301,7 @@ def tune(
                                 image=base_image,
                                 command=["bash", "-c"],
                                 args=[exec_script],
+                                resources=resources,
                             )
                         ],
                     ),