[GitHub] [airflow] kaxil commented on a change in pull request #12384: Make K8sPodOperator backwards compatible

[GitBox <gi...@apache.org>]

kaxil commented on a change in pull request #12384:
URL: https://github.com/apache/airflow/pull/12384#discussion_r525208439



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File path: airflow/providers/cncf/kubernetes/backcompat/backwards_compat_converters.py
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@@ -0,0 +1,123 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+"""Executes task in a Kubernetes POD"""
+
+from typing import List
+
+from kubernetes.client import models as k8s
+
+from airflow.exceptions import AirflowException
+from airflow.providers.cncf.kubernetes.backcompat.pod import Port, Resources
+from airflow.providers.cncf.kubernetes.backcompat.pod_runtime_info_env import PodRuntimeInfoEnv
+from airflow.providers.cncf.kubernetes.backcompat.volume import Volume
+from airflow.providers.cncf.kubernetes.backcompat.volume_mount import VolumeMount
+
+
+def _convert_kube_model_object(obj, old_class, new_class):
+    convert_op = getattr(obj, "to_k8s_client_obj", None)
+    if callable(convert_op):
+        return obj.to_k8s_client_obj()
+    elif isinstance(obj, new_class):
+        return obj
+    else:
+        raise AirflowException(f"Expected {old_class} or {new_class}, got {type(obj)}")
+
+
+def convert_volume(volume) -> k8s.V1Volume:
+    """
+    Converts an airflow Volume object into a k8s.V1Volume
+    @param volume:
+    @return: k8s.V1Volume

Review comment:
       ```suggestion
       :param volume:
       :return: k8s.V1Volume
   ```
   
   Empty description for Volume




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