Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/19468#discussion_r150495130
--- Diff:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/config.scala
---
@@ -0,0 +1,113 @@
+/*
+ * 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 org.apache.spark.{SPARK_VERSION => sparkVersion}
+import org.apache.spark.internal.Logging
+import org.apache.spark.internal.config.ConfigBuilder
+import org.apache.spark.network.util.ByteUnit
+
+package object config extends Logging {
+
+ private[spark] val KUBERNETES_NAMESPACE =
+ ConfigBuilder("spark.kubernetes.namespace")
+ .doc("The namespace that will be used for running the driver and
executor pods. When using" +
+ " spark-submit in cluster mode, this can also be passed to
spark-submit via the" +
+ " --kubernetes-namespace command line argument.")
+ .stringConf
+ .createWithDefault("default")
+
+ private[spark] val EXECUTOR_DOCKER_IMAGE =
+ ConfigBuilder("spark.kubernetes.executor.docker.image")
+ .doc("Docker image to use for the executors. Specify this using the
standard Docker tag" +
+ " format.")
+ .stringConf
+ .createWithDefault(s"spark-executor:$sparkVersion")
+
+ private[spark] val DOCKER_IMAGE_PULL_POLICY =
+ ConfigBuilder("spark.kubernetes.docker.image.pullPolicy")
+ .doc("Docker image pull policy when pulling any docker image in
Kubernetes integration")
+ .stringConf
+ .createWithDefault("IfNotPresent")
+
--- End diff --
nit: duplicated empty lines.
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