Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/19954#discussion_r157891637
--- Diff:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/rest/k8s/SparkConfPropertiesParser.scala
---
@@ -0,0 +1,50 @@
+/*
+ * 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.rest.k8s
+
+import java.io.{File, FileInputStream}
+import java.util.Properties
+
+import scala.collection.JavaConverters._
+
+import com.google.common.collect.Maps
+
+import org.apache.spark.SparkConf
+import org.apache.spark.internal.config.{ConfigReader, SparkConfigProvider}
+import org.apache.spark.util.Utils
+
+private[spark] object SparkConfPropertiesParser {
+
+ def getSparkConfFromPropertiesFile(propertiesFile: File): SparkConf = {
+ val sparkConf = new SparkConf(true)
+
+ if (!propertiesFile.isFile) {
+ throw new IllegalArgumentException("Server properties file given at
" +
+ s"${propertiesFile.getAbsoluteFile} does not exist or is not a
file.")
+ }
+
+ val properties = new Properties
--- End diff --
There's probably already a method or a combination of calls in the `Utils`
class that does what you want. e.g. `loadDefaultSparkProperties` or
`getPropertiesFromFile` or some other.
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