Github user liyinan926 commented on a diff in the pull request: https://github.com/apache/spark/pull/21095#discussion_r185960149 --- Diff: resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/KubernetesVolumeUtils.scala --- @@ -0,0 +1,142 @@ +/* + * 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. + */ +package org.apache.spark.deploy.k8s + +import scala.collection.mutable.HashMap + +import io.fabric8.kubernetes.api.model._ + +import org.apache.spark.SparkConf +import org.apache.spark.deploy.k8s.Config._ + +private[spark] object KubernetesVolumeUtils { + + /** + * Given hostPath volume specs, add volume to pod and volume mount to container. + * + * @param pod original specification of the pod + * @param container original specification of the container + * @param sparkConf Spark configuration + * @param prefix the prefix for volume configuration + * @return a tuple of (pod with the volume(s) added, container with mount(s) added) + */ + def addVolumes( --- End diff -- The Scaladoc should not mention hostPath as this function is not hostPath exclusively.
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