Github user liyinan926 commented on a diff in the pull request:
https://github.com/apache/spark/pull/20910#discussion_r177265926
--- Diff:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/KubernetesConf.scala
---
@@ -0,0 +1,158 @@
+/*
+ * 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
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+ *
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+ * 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
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+ */
+package org.apache.spark.deploy.k8s
+
+import io.fabric8.kubernetes.api.model.Pod
+
+import org.apache.spark.SparkConf
+import org.apache.spark.deploy.k8s.Config._
+import org.apache.spark.deploy.k8s.Constants._
+import org.apache.spark.deploy.k8s.submit.{JavaMainAppResource,
MainAppResource}
+import org.apache.spark.internal.config.ConfigEntry
+
+private[spark] sealed trait KubernetesRoleSpecificConf
+
+private[spark] case class KubernetesDriverSpecificConf(
+ mainAppResource: Option[MainAppResource],
+ mainClass: String,
+ appName: String,
+ appArgs: Seq[String]) extends KubernetesRoleSpecificConf
+
+private[spark] case class KubernetesExecutorSpecificConf(
+ executorId: String, driverPod: Pod)
+ extends KubernetesRoleSpecificConf
+
+private[spark] class KubernetesConf[T <: KubernetesRoleSpecificConf](
+ val sparkConf: SparkConf,
+ val roleSpecificConf: T,
+ val appResourceNamePrefix: String,
+ val appId: String,
+ val roleLabels: Map[String, String],
+ val roleAnnotations: Map[String, String],
+ val roleSecretNamesToMountPaths: Map[String, String]) {
+
+ def namespace(): String = sparkConf.get(KUBERNETES_NAMESPACE)
+
+ def sparkJars(): Seq[String] = sparkConf
+ .getOption("spark.jars")
+ .map(str => str.split(",").toSeq)
+ .getOrElse(Seq.empty[String])
+
+ def sparkFiles(): Seq[String] = sparkConf
+ .getOption("spark.files")
+ .map(str => str.split(",").toSeq)
+ .getOrElse(Seq.empty[String])
+
+ def driverCustomEnvs(): Seq[(String, String)] =
--- End diff --
This is driver specific and probably should not be here. What about making
custom envs as an argument of the class similarly to labels and annotations?
Then `createDriverConf` below gets the driver custom envs and pass them in.
Even though we don't have a key for specifying custom executor envs, we may end
up having one in the future and needing the same mechanism of passing them in
here.
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