Github user liyinan926 commented on a diff in the pull request: https://github.com/apache/spark/pull/21669#discussion_r223560209 --- Diff: resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/hadooputils/HadoopBootstrapUtil.scala --- @@ -0,0 +1,260 @@ +/* + * 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.features.hadooputils + +import java.io.File +import java.nio.charset.StandardCharsets + +import scala.collection.JavaConverters._ + +import com.google.common.io.Files +import io.fabric8.kubernetes.api.model._ + +import org.apache.spark.deploy.k8s.Constants._ +import org.apache.spark.deploy.k8s.SparkPod + +private[spark] object HadoopBootstrapUtil { + + /** + * Mounting the DT secret for both the Driver and the executors + * + * @param dtSecretName Name of the secret that stores the Delegation Token + * @param dtSecretItemKey Name of the Item Key storing the Delegation Token + * @param userName Name of the SparkUser to set SPARK_USER + * @param maybeFileLocation Optional Location of the krb5 file + * @param newKrb5ConfName Optional location of the ConfigMap for Krb5 + * @param maybeKrb5ConfName Optional name of ConfigMap for Krb5 + * @param pod Input pod to be appended to + * @return a modified SparkPod + */ + def bootstrapKerberosPod( + dtSecretName: String, + dtSecretItemKey: String, + userName: String, + maybeFileLocation: Option[String], + newKrb5ConfName: Option[String], + maybeKrb5ConfName: Option[String], --- End diff -- Rename this to `existingKrb5ConfName`.
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