Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/19954#discussion_r157323338
--- Diff:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/submit/steps/initcontainer/BaseInitContainerConfigurationStep.scala
---
@@ -0,0 +1,63 @@
+/*
+ * 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.submit.steps.initcontainer
+
+import org.apache.spark.deploy.k8s.{InitContainerBootstrap,
PodWithDetachedInitContainer}
+import org.apache.spark.deploy.k8s.Config._
+import org.apache.spark.deploy.k8s.submit.KubernetesFileUtils
+
+private[spark] class BaseInitContainerConfigurationStep(
+ sparkJars: Seq[String],
+ sparkFiles: Seq[String],
+ jarsDownloadPath: String,
+ filesDownloadPath: String,
+ initContainerBootstrap: InitContainerBootstrap)
+ extends InitContainerConfigurationStep {
+
+ override def configureInitContainer(initContainerSpec:
InitContainerSpec): InitContainerSpec = {
+ val remoteJarsToDownload =
KubernetesFileUtils.getOnlyRemoteFiles(sparkJars)
+ val remoteFilesToDownload =
KubernetesFileUtils.getOnlyRemoteFiles(sparkFiles)
+ val remoteJarsConf = if (remoteJarsToDownload.nonEmpty) {
+ Map(INIT_CONTAINER_REMOTE_JARS.key ->
remoteJarsToDownload.mkString(","))
+ } else {
+ Map.empty[String, String]
+ }
+ val remoteFilesConf = if (remoteFilesToDownload.nonEmpty) {
+ Map(INIT_CONTAINER_REMOTE_FILES.key ->
remoteFilesToDownload.mkString(","))
+ } else {
+ Map.empty[String, String]
--- End diff --
`Map()`.
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