Github user mccheah commented on a diff in the pull request:
https://github.com/apache/spark/pull/20697#discussion_r194128687
--- Diff:
resource-managers/kubernetes/integration-tests/src/test/scala/org/apache/spark/deploy/k8s/integrationtest/Utils.scala
---
@@ -0,0 +1,88 @@
+/*
+ * 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.integrationtest
+
+import java.io.Closeable
+import java.net.URI
+
+import org.apache.spark.internal.Logging
+
+object Utils extends Logging {
+
+ def tryWithResource[R <: Closeable, T](createResource: => R)(f: R => T):
T = {
+ val resource = createResource
+ try f.apply(resource) finally resource.close()
+ }
+
+ def tryWithSafeFinally[T](block: => T)(finallyBlock: => Unit): T = {
--- End diff --
Just did a quick search for this and I don't think it's used.
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